/* ========================================
   Gemini 图像生成器 - YingTu 风格深色主题
   ======================================== */

:root {
    /* 颜色系统 - YingTu 深紫调 */
    --bg-primary: #0e0d16;
    --bg-secondary: rgba(18, 17, 28, 0.85);
    --bg-tertiary: rgba(26, 25, 40, 0.9);
    --bg-card: rgba(22, 21, 35, 0.8);
    --bg-hover: rgba(35, 33, 55, 0.9);
    --bg-input: #0c0b14;

    --border-color: rgba(139, 92, 246, 0.15);
    --border-light: rgba(139, 92, 246, 0.25);
    --border-glow: rgba(139, 92, 246, 0.4);

    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    --accent-purple: #a855f7;
    --accent-purple-light: #c084fc;
    --accent-purple-dark: #9333ea;
    --accent-blue: #6366f1;
    --accent-gradient: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
    --accent-gradient-hover: linear-gradient(135deg, #c084fc 0%, #818cf8 100%);

    --success: #22c55e;
    --error: #ef4444;

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;

    /* 动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;

    /* 阴影和发光 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(168, 85, 247, 0.35);
    --shadow-glow-strong: 0 0 30px rgba(168, 85, 247, 0.5);
    --shadow-neon: 0 0 15px rgba(168, 85, 247, 0.6), 0 0 30px rgba(168, 85, 247, 0.3);

    /* 毛玻璃效果 */
    --glass-blur: blur(12px);
    --glass-bg: rgba(14, 13, 22, 0.75);
}

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 确保 hidden 属性始终生效 */
.image-only-control[hidden],
.video-only-control[hidden] {
    display: none !important;
}

html {
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
    overflow-x: hidden;
    /* Flexbox layout for main structure */
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 100vw;
}

/* 管理员页面允许滚动 */
body.admin-page {
    overflow-y: auto;
    height: auto;
    min-height: 100vh;
}

/* ========================================
   顶部横幅
   ======================================== */
/* ========================================
   顶部横幅
   ======================================== */
.top-banner {
    background: linear-gradient(90deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 20px;
    position: relative;
    /* overflow: hidden; Removed to prevent clipping */
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 10px;
}

/* 默认隐藏移动端专用元素 */
.hamburger-btn,
.sidebar-overlay,
.sidebar-close-btn {
    display: none;
}

.top-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(139, 92, 246, 0.1) 25%,
            rgba(236, 72, 153, 0.1) 50%,
            rgba(139, 92, 246, 0.1) 75%,
            transparent 100%);
    animation: shimmer 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes shimmer {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* 动态发光边框动画 */
@keyframes borderGlow {

    0%,
    100% {
        border-color: rgba(168, 85, 247, 0.2);
        box-shadow: 0 0 15px rgba(168, 85, 247, 0.1), inset 0 0 20px rgba(168, 85, 247, 0.05);
    }

    50% {
        border-color: rgba(168, 85, 247, 0.4);
        box-shadow: 0 0 25px rgba(168, 85, 247, 0.25), inset 0 0 30px rgba(168, 85, 247, 0.1);
    }
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 15px rgba(168, 85, 247, 0.3);
    }

    50% {
        box-shadow: 0 0 25px rgba(168, 85, 247, 0.5), 0 0 40px rgba(168, 85, 247, 0.2);
    }
}

.banner-content {
    /* position: absolute; Removed absolute positioning */
    /* left: 50%; */
    /* top: 50%; */
    /* transform: translate(-50%, -50%); */
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    z-index: 1;
    flex-wrap: wrap;
    grid-column: 2;
    /* Center in grid */
}

.banner-highlight {
    font-size: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    transform: translateY(-1px);
}

.banner-text {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1;
}

.banner-divider {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.banner-tag {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.banner-tag.free {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
}

.banner-tag.trial {
    background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    color: white;
}

.banner-price {
    font-size: 0.85rem;
    color: #fbbf24;
    font-weight: 600;
}

/* ========================================
   站点标题 - YingTu 风格
   ======================================== */
.site-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 10;
    flex-shrink: 0;
}

.site-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(168, 85, 247, 0.6));
}

.site-title-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.site-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.site-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
    line-height: 1.2;
}

/* 用户菜单 */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    justify-self: end;
    /* Align to right in grid */
    grid-column: 3;
}

.user-credits {
    font-size: 0.95rem;
    color: #fbbf24;
    font-weight: 600;
}

.user-name {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.btn-admin {
    padding: 4px 10px;
    background: rgba(168, 85, 247, 0.2);
    color: var(--accent-purple-light);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-admin:hover {
    background: rgba(168, 85, 247, 0.3);
}

.btn-user-logout {
    padding: 4px 10px;
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-user-logout:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* 语言切换按钮 */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 2px;
    border: 1px solid var(--border-color);
}

/* 移动端隐藏点数、用户名、Logo和站点标题 */
@media (max-width: 899px) {

    .user-credits,
    .user-name,
    .site-logo,
    .site-title-group {
        display: none !important;
    }
}

.lang-btn {
    width: 32px;
    height: 26px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: calc(var(--radius-sm) - 2px);
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.lang-btn.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

/* 登录页语言切换 */
.auth-lang-switch {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 2px;
    border: 1px solid var(--border-color);
    z-index: 10;
}

/* 充值弹窗中的当前点数显示 */
.current-credits-display {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.15) 0%, rgba(245, 158, 11, 0.15) 100%);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.current-credits-display span:first-child {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.current-credits-display .credits-value {
    color: #fbbf24;
    font-size: 1.5rem;
    font-weight: 700;
    margin-left: var(--spacing-sm);
}

/* 顶部横幅在英文下的桌面端布局调整 - 只在大屏幕应用 */
@media (min-width: 1200px) {
    [lang="en"] .banner-divider {
        display: none;
    }

    [lang="en"] .banner-content {
        gap: 6px;
    }

    /* 用户菜单在英文模式下的调整 */
    [lang="en"] .user-menu {
        gap: 4px;
    }

    [lang="en"] .btn-recharge,
    [lang="en"] .btn-admin,
    [lang="en"] .btn-user-logout,
    [lang="en"] .user-name {
        font-size: 0.85rem;
        padding: 4px 8px;
    }

    [lang="en"] .user-credits {
        font-size: 0.85rem;
    }
}

/* 主容器 */
.app-container {
    display: flex;
    /* height: calc(100vh - 45px); Removed fixed height */
    flex: 1;
    height: 0;
    /* Important for scrollable children */
    width: 100%;
    overflow-x: hidden;
}

/* ========================================
   侧边栏
   ======================================== */
.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px dashed var(--border-light);
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    margin-left: calc(-1 * var(--spacing-lg));
    margin-right: calc(-1 * var(--spacing-lg));
    padding-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-brand {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 2px;
}

.logo-name {
    font-size: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-new-chat {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px dashed var(--border-light);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.btn-new-chat:hover {
    background: var(--bg-hover);
    border-color: var(--accent-purple);
    color: var(--text-primary);
}

.btn-new-chat .icon {
    font-size: 1.2rem;
    font-weight: 300;
}

/* 会话列表 */
.session-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.session-item {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.session-item:hover {
    background: var(--bg-hover);
}

.session-item.active {
    background: var(--bg-tertiary);
    border-left: 3px solid var(--accent-purple);
}

.session-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--spacing-xs);
}

.session-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.session-delete {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    min-width: 24px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.session-item:hover .session-delete {
    opacity: 1;
}

.session-delete:hover {
    background: var(--error);
    color: white;
}

/* ========================================
   主内容区
   ======================================== */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    position: relative;
}

/* 控制面板 - YingTu 毛玻璃风格 */
.control-panel {
    width: 40%;
    min-width: 380px;
    max-width: 480px;
    /* max-height: calc(100vh - 45px - 48px); Removed fixed calculation */
    height: 100%;
    /* Fill available space */
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: var(--spacing-lg);
    flex-shrink: 0;
    animation: borderGlow 4s ease-in-out infinite;
    position: relative;
}

.control-section {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.control-section:last-of-type {
    border-bottom: none;
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    font-size: 0.95rem;
}

.section-icon {
    font-size: 1rem;
}

.section-hint {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* 上传区域 */
.upload-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.upload-area {
    position: relative;
    width: 80px;
    height: 80px;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    overflow: hidden;
    flex-shrink: 0;
}

.upload-area:hover {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.05);
}

.upload-area.drag-over {
    border-color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.1);
    transform: scale(1.02);
}

.upload-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.upload-icon {
    font-size: 1.2rem;
    opacity: 0.6;
}

.upload-text {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.upload-hint {
    font-size: 0.6rem;
    color: var(--text-muted);
}

/* 多图预览列表 */
.preview-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.preview-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-item .btn-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    border: none;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
    opacity: 0;
}

.preview-item:hover .btn-remove {
    opacity: 1;
}

.preview-item .btn-remove:hover {
    background: var(--error);
}

.hint-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

.hint-text.warning-hint {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border-left: 3px solid #f59e0b;
    margin-top: var(--spacing-md);
}

/* 提示词输入 - YingTu 样式 */
.prompt-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    resize: vertical;
    min-height: 120px;
    transition: all var(--transition-normal);
}

.prompt-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15), var(--shadow-glow);
}

.prompt-input::placeholder {
    color: var(--text-muted);
}

/* 选项组 */
.option-group {
    margin-bottom: var(--spacing-md);
}

.option-group:last-child {
    margin-bottom: 0;
}

.option-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.option-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.option-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.option-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
    transform: translateY(-1px);
}

/* YingTu 风格霓虹发光效果 */
.option-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    font-weight: 500;
    box-shadow: var(--shadow-neon);
}

/* 设置锁定状态 */
.option-btn.locked {
    cursor: not-allowed;
    opacity: 0.6;
    pointer-events: auto;
}

.option-btn.locked:hover {
    transform: none;
    background: var(--bg-input);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.option-btn.locked.active:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}

.settings-locked {
    position: relative;
    margin-bottom: 28px;
}

.settings-locked::after {
    content: '🔒 已锁定（点击按钮创建新对话）';
    position: absolute;
    bottom: -24px;
    left: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

/* 英文版锁定提示 */
[lang="en"] .settings-locked::after {
    content: '🔒 Locked (Click button to create new chat)';
}

/* 分辨率按钮特殊样式 */
.resolution-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
}

.res-label {
    font-weight: 600;
}

.res-cost-tag {
    font-size: 0.75rem;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 2px;
    color: #fbbf24;
    /* 金币颜色 */
    font-weight: 500;
}

.option-btn.active .res-cost-tag {
    background: rgba(255, 255, 255, 0.2);
    color: #fcd34d;
}

/* 模型选择按钮样式 */
.model-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.model-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
    min-width: 140px;
}

.model-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.model-desc {
    font-size: 0.75rem;
    opacity: 0.7;
}

.model-btn.active .model-desc {
    opacity: 0.9;
}

/* 生成按钮 - 增强发光效果 */
.generate-section {
    padding-top: var(--spacing-lg);
}

.btn-generate {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-neon);
    position: relative;
    overflow: hidden;
}

.btn-generate::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient-hover);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-generate:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-strong), 0 0 50px rgba(168, 85, 247, 0.3);
}

.btn-generate:hover::before {
    opacity: 1;
}

.btn-generate:active {
    transform: translateY(-1px);
}

.btn-generate:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-generate span {
    position: relative;
    z-index: 1;
}

.generate-icon {
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

/* ========================================
   预览面板 - YingTu 毛玻璃风格
   ======================================== */
.preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    /* max-height: calc(100vh - 45px - 48px); Removed fixed calculation */
    height: 100%;
    /* Fill available space */
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    animation: borderGlow 4s ease-in-out infinite;
    animation-delay: 2s;
}

.preview-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: rgba(14, 13, 22, 0.5);
}

.preview-tabs {
    display: flex;
    gap: var(--spacing-sm);
}

.preview-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-normal);
}

.preview-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.preview-tab.active {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.tab-icon {
    font-size: 1rem;
}

/* 预览内容 */
.preview-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
    margin: auto;
}

.empty-icon {
    font-size: 5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.2;
    filter: grayscale(0.5);
}

.empty-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 消息列表 */
.message-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.message {
    display: flex;
    gap: var(--spacing-md);
    color: var(--text-muted);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: var(--accent-purple);
}

.message.assistant .message-avatar {
    background: linear-gradient(135deg, #22c55e, #10b981);
}

.message-content {
    flex: 1;
    min-width: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.message.user .message-content {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.3);
}

.message.assistant .message-content {
    background: rgba(30, 20, 50, 0.4);
}

.message-text {
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.message-image {
    max-width: 100%;
    max-height: 500px;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.message-image:hover {
    transform: scale(1.02);
}

.message-image-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
    opacity: 0.8;
}

.message-ref-images {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.message-ref-image {
    max-width: 80px;
    max-height: 80px;
    border-radius: var(--radius-md);
    opacity: 0.8;
    border: 1px solid var(--border-color);
}

/* ========================================
   加载状态
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.loading-overlay[hidden] {
    display: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.loading-hint {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

/* ========================================
   会话加载进度条
   ======================================== */
.session-loading-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #a855f7, #6366f1, #ec4899);
    background-size: 200% 100%;
    z-index: 9999;
    transition: width 0.3s ease;
    animation: shimmerProgress 1.5s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.5);
}

.session-loading-bar.loading {
    width: 90%;
}

.session-loading-bar.complete {
    width: 100%;
    transition: width 0.2s ease, opacity 0.3s ease 0.2s;
    opacity: 0;
}

@keyframes shimmerProgress {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* 会话加载期间禁用控制面板 */
.control-panel.panel-disabled {
    pointer-events: none;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}

/* ========================================
   模态框
   ======================================== */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal[hidden] {
    display: none;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.modal-content img {
    max-width: 85vw;
    max-height: 70vh;
    /* 限制图片最大高度，为按钮留出空间 */
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: contain;
}

.modal-actions {
    width: 100%;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-download {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.9rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-close-modal {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.btn-close-modal:hover {
    background: var(--error);
}

/* ========================================
   滚动条样式
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1400px) {
    .control-panel {
        min-width: 340px;
        max-width: 420px;
    }
}

@media (max-width: 1200px) {
    .control-panel {
        min-width: 320px;
        max-width: 380px;
    }

    .main-content {
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
}

@media (max-width: 900px) {
    .sidebar {
        width: 220px;
    }

    .control-panel {
        min-width: 280px;
        width: 45%;
    }

    .main-content {
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .preview-panel,
    .control-panel {
        border-radius: var(--radius-xl);
    }
}

@media (max-width: 768px) {
    body {
        overflow: auto;
    }

    /* 汉堡菜单按钮 */
    .hamburger-btn {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        width: 36px;
        height: 36px;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        cursor: pointer;
        padding: 8px;
        flex-shrink: 0;
        transition: all var(--transition-fast);
    }

    .hamburger-btn:hover {
        background: var(--bg-hover);
        border-color: var(--accent-purple);
    }

    .hamburger-line {
        width: 18px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 1px;
        transition: all var(--transition-fast);
    }

    /* 侧边栏遮罩 */
    .sidebar-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-normal), visibility var(--transition-normal);
    }

    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* 抽屉式侧边栏 */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        max-height: none;
        background: #0e0d16;
        border-right: 1px solid var(--border-color);
        border-bottom: none;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    /* 侧边栏头部顶栏 */
    .sidebar-header-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .sidebar-header-top .logo {
        flex: 1;
        margin-right: var(--spacing-sm);
        font-size: 1rem;
    }

    .sidebar-header-top .logo-icon {
        font-size: 1.2rem;
    }

    .sidebar-header-top .logo-brand {
        font-size: 0.7rem;
    }

    .sidebar-header-top .logo-name {
        font-size: 0.85rem;
        white-space: nowrap;
    }

    /* 关闭按钮 */
    .sidebar-close-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: var(--bg-tertiary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        color: var(--text-secondary);
        font-size: 1rem;
        cursor: pointer;
        flex-shrink: 0;
        transition: all var(--transition-fast);
    }

    .sidebar-close-btn:hover {
        background: var(--error);
        border-color: var(--error);
        color: white;
    }

    .app-container {
        flex-direction: column;
        height: auto;
        min-height: calc(100vh - 45px);
    }

    .main-content {
        flex-direction: column;
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
        overflow: visible;
        flex: none;
        height: auto;
    }

    .control-panel {
        width: 100%;
        min-width: unset;
        max-width: unset;
        max-height: none;
        height: auto;
        overflow: visible;
        border-radius: var(--radius-lg);
        flex-shrink: 0;
    }

    .preview-panel {
        flex: none;
        height: auto;
        min-height: 400px;
        max-height: 70vh;
        border-radius: var(--radius-lg);
        display: flex;
        flex-direction: column;
    }

    .preview-content {
        flex: 1;
        overflow-y: auto;
        min-height: 0;
    }

    /* 移动端会话删除按钮始终显示 */
    .session-item {
        padding-right: 40px;
    }

    .session-item .session-delete {
        opacity: 1;
    }

    /* 顶部栏调整 - 移动端优化 */
    .top-banner {
        gap: 6px;
        padding: 8px 12px;
        grid-template-columns: auto 1fr auto;
    }

    .site-header {
        grid-column: 2;
        gap: 8px;
        min-width: 0;
    }

    .site-logo {
        width: 28px;
        height: 28px;
    }

    .site-title {
        font-size: 0.95rem;
        white-space: nowrap;
    }

    .site-subtitle {
        font-size: 0.7rem;
        white-space: nowrap;
    }

    .banner-content {
        display: none;
    }

    /* 用户菜单移动端优化 */
    .user-menu {
        grid-column: 3;
        gap: 4px;
        flex-wrap: nowrap;
        white-space: nowrap;
    }

    .user-credits {
        font-size: 0.8rem;
        display: none;
        /* 在极小屏幕隐藏积分显示 */
    }

    .user-name {
        font-size: 0.75rem;
        padding: 3px 6px;
        display: none;
        /* 在极小屏幕隐藏用户名 */
    }

    .btn-admin {
        font-size: 0.75rem;
        padding: 4px 8px;
        white-space: nowrap;
    }

    .btn-user-logout {
        font-size: 0.75rem;
        padding: 4px 8px;
        white-space: nowrap;
    }

    /* 汉堡菜单按钮定位 */
    .hamburger-btn {
        grid-column: 1;
    }
}

/* 中等宽度移动设备优化 (480px - 768px) */
@media (min-width: 480px) and (max-width: 768px) {
    .user-credits {
        display: inline;
        /* 在中等屏幕显示积分 */
    }

    .user-name {
        display: inline;
        /* 在中等屏幕显示用户名 */
    }
}

/* 桌面端侧边栏头部布局调整 */
@media (min-width: 769px) {
    .sidebar-header-top {
        display: contents;
    }
}

/* ========================================
   模态框表单样式
   ======================================== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    padding: var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 16px;
    /* 16px prevents iOS auto-zoom on input focus */
    transition: all var(--transition-normal);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15), var(--shadow-glow);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-error {
    color: var(--error);
    font-size: 0.85rem;
    min-height: 20px;
    text-align: center;
}

/* Auth 模态框中使用的样式 */
.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-logo {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    filter: drop-shadow(0 0 12px rgba(168, 85, 247, 0.6));
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.btn-auth {
    padding: var(--spacing-md);
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-neon);
    margin-top: var(--spacing-sm);
}

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-strong);
}

.btn-auth:active {
    transform: translateY(0);
}

.auth-footer {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--accent-purple-light);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.auth-footer a:hover {
    color: var(--accent-purple);
    text-decoration: underline;
}

/* ========================================
   管理员控制台样式
   ======================================== */
.admin-page {
    min-height: 100vh;
    background: var(--bg-primary);
    padding: var(--spacing-lg);
}

.admin-container {
    max-width: 1400px;
    margin: 0 auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.admin-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.admin-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.admin-actions {
    display: flex;
    gap: var(--spacing-md);
}

.btn-back,
.btn-logout {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-back {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-back:hover {
    background: var(--bg-hover);
    border-color: var(--accent-purple);
}

.btn-logout {
    background: var(--error);
    color: white;
    border: none;
}

.btn-logout:hover {
    opacity: 0.9;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}



.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.2);
    color: var(--accent-purple-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 清理控制区 */
.cleanup-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.cleanup-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cleanup-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.btn-cleanup {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-warning {
    background: #f59e0b;
}

.btn-warning:hover {
    background: #d97706;
}

.btn-danger {
    background: var(--error);
}

.btn-danger:hover {
    background: #dc2626;
}

.date-cleanup-input {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.date-input {
    padding: var(--spacing-sm);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
}

/* 用户列表区域 */


.stat-icon {
    font-size: 2rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 管理区块 */
.admin-section {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

/* 用户表格 */
.user-table-container {
    overflow-x: auto;
}

.user-table {
    width: 100%;
    border-collapse: collapse;
}

.user-table th,
.user-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.user-table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-table td {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.user-table tbody tr:hover {
    background: var(--bg-hover);
}

.admin-row {
    background: rgba(168, 85, 247, 0.05);
}

.username {
    font-weight: 500;
}

.loading-cell,
.empty-cell {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl) !important;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: var(--spacing-xs);
}

.badge-admin {
    background: rgba(168, 85, 247, 0.2);
    color: var(--accent-purple-light);
}

.badge-user {
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-blue);
}

.badge-primary {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

/* 操作按钮 */
.action-cell {
    white-space: nowrap;
}

.btn-action {
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    margin-right: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.btn-view {
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-blue);
}

.btn-view:hover {
    background: rgba(99, 102, 241, 0.3);
}

.btn-toggle {
    background: rgba(168, 85, 247, 0.2);
    color: var(--accent-purple-light);
}

.btn-toggle:hover {
    background: rgba(168, 85, 247, 0.3);
}

.btn-delete {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* 模态框增强 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    max-width: 90vw;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-large {
    width: 800px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

/* 会话卡片 */
.session-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border-color);
}

.session-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.session-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.session-messages {
    padding: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
}

.message {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.message.user {
    background: rgba(99, 102, 241, 0.1);
    border-left: 3px solid var(--accent-blue);
}

.message.assistant {
    background: rgba(168, 85, 247, 0.1);
    border-left: 3px solid var(--accent-purple);
}

.message-role {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 2px;
    text-transform: uppercase;
}

.message-content {
    font-size: 0.85rem;
    color: var(--text-primary);
    word-break: break-word;
}

.message-image {
    max-width: 200px;
    max-height: 150px;
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-xs);
}

.empty-message,
.error-message {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
}

.error-message {
    color: var(--error);
}

/* 响应式管理页面 */
@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .user-table th:nth-child(4),
    .user-table td:nth-child(4),
    .user-table th:nth-child(5),
    .user-table td:nth-child(5) {
        display: none;
    }

    .modal-large {
        width: 95vw;
    }

    .btn-action {
        padding: 3px 6px;
        font-size: 0.7rem;
    }
}

/* ========================================
   认证模态框样式 (首页弹窗)
   ======================================== */
.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    /* 默认隐藏，由模板逻辑控制显示 */
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    overflow-x: hidden;
    /* 允许垂直滚动，禁止水平滚动 */
    padding: 20px 0;
    /* 给上下留出空间 */
}

.auth-modal-overlay.auth-modal-show {
    display: flex !important;
}

.auth-modal-content {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    width: 90%;
    max-width: 400px;
    animation: borderGlow 4s ease-in-out infinite, slideUp 0.4s ease-out;
    box-shadow: var(--shadow-lg);
    margin: auto;
    /* 配合 flex 布局实现居中，且允许滚动 */
    max-height: 90vh;
    /* 限制最大高度 */
    overflow-y: auto;
    overflow-x: hidden;
    /* 内容过多时内部滚动，禁止水平滚动 */
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-full {
    width: 100%;
}

/* ========================================
   New Chat UI Styles
   ======================================== */

.chat-message {
    display: flex;
    gap: 16px;
    max-width: 900px;
    margin-bottom: 24px;
}

.chat-message.user {
    flex-direction: row-reverse;
    align-self: flex-end;
    margin-left: auto;
    /* Align to right */
}

.chat-message.assistant {
    align-self: flex-start;
}

.chat-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    background: rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.chat-message.user .chat-avatar {
    background: var(--accent-purple);
}

.chat-message.assistant .chat-avatar {
    background: var(--accent-blue);
}

.chat-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 100%;
}

.chat-bubble {
    padding: 14px 20px;
    border-radius: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 0.98rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.chat-message.user .chat-bubble {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.2);
    border-top-right-radius: 4px;
}

.chat-message.assistant .chat-bubble {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
    border-top-left-radius: 4px;
}

.chat-image {
    width: 100%;
    max-width: 512px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 8px;
    cursor: pointer;
    transition: transform 0.2s;
    display: block;
}

.chat-image:hover {
    transform: scale(1.02);
}

.chat-image-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}

.chat-ref-images {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.chat-ref-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    opacity: 0.8;
}

/* ========================================
   充值按钮样式
   ======================================== */
.btn-recharge {
    padding: 4px 12px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #000;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-recharge:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
}

/* ========================================
   充值弹窗样式
   ======================================== */
.recharge-modal {
    max-width: 420px;
}

.recharge-section {
    margin-bottom: 0;
}

.recharge-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-md);
}

.recharge-option-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.recharge-option-info {
    flex: 1;
}

.recharge-option-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.recharge-option-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.btn-buy-card {
    padding: 10px 20px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-buy-card:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
}

.recharge-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--text-muted);
}

.recharge-divider::before,
.recharge-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.recharge-divider span {
    font-size: 0.85rem;
}

.recharge-input-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.recharge-input-row {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.recharge-input {
    flex: 1;
    min-width: 150px;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Consolas', 'Monaco', monospace;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.recharge-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}

.recharge-input::placeholder {
    color: var(--text-muted);
    letter-spacing: normal;
    text-transform: none;
}

.btn-redeem {
    padding: 12px 20px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.btn-redeem:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.btn-redeem:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ========================================
   管理后台 - 卡密管理样式
   ======================================== */
.card-key-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.card-key-form {
    background: rgba(139, 92, 246, 0.05);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.form-row {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.form-group-inline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group-inline label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.form-input {
    width: 120px;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.btn-generate-keys {
    padding: 10px 20px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #000;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-generate-keys:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
}

.card-key-table-container {
    max-height: 400px;
    overflow-y: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.card-key-table {
    margin-bottom: 0;
}

.card-key-code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    background: rgba(139, 92, 246, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
    letter-spacing: 1px;
}

.credits-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    color: #fbbf24;
}

.badge-available {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
}

.badge-used {
    background: rgba(113, 113, 122, 0.3);
    color: var(--text-muted);
}

.used-row {
    opacity: 0.6;
}

.btn-copy {
    background: rgba(99, 102, 241, 0.2) !important;
    color: var(--accent-blue) !important;
}

.btn-copy:hover {
    background: rgba(99, 102, 241, 0.3) !important;
}
/* API 配置 */
.api-settings-section {
    padding: 0;
    overflow: hidden;
}

.api-section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 26px 20px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(139, 92, 246, 0.05));
}

.api-section-heading .section-title {
    margin-bottom: 5px;
}

.section-description {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
}

.api-status-badge {
    flex: 0 0 auto;
    padding: 7px 12px;
    border-radius: 999px;
    color: #86efac;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.25);
    font-size: 0.82rem;
    font-weight: 700;
}

.api-status-badge.is-loading {
    color: #fcd34d;
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.25);
}

.api-config-card {
    margin: 22px 26px 0;
    padding: 22px;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.38);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
}

.api-card-title,
.models-card-header {
    display: flex;
    align-items: center;
    gap: 13px;
}

.models-card-header {
    justify-content: space-between;
    margin-bottom: 18px;
}

.api-card-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(139, 92, 246, 0.16));
    border: 1px solid rgba(139, 92, 246, 0.26);
    font-size: 1.1rem;
}

.api-card-title h3 {
    margin: 0 0 3px;
    color: var(--text-primary);
    font-size: 1rem;
}

.api-card-title p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.api-config-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.config-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.config-field[hidden] {
    display: none;
}

.config-field label {
    color: var(--text-primary);
    font-size: 0.86rem;
    font-weight: 650;
}

.config-help {
    color: var(--text-secondary);
    font-size: 0.78rem;
    line-height: 1.5;
}

.secret-input-wrap {
    position: relative;
}

.secret-input-wrap .form-input {
    padding-right: 62px;
}

.secret-toggle {
    position: absolute;
    top: 50%;
    right: 9px;
    transform: translateY(-50%);
    padding: 5px 8px;
    color: var(--accent-blue);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-size: 0.78rem;
}

.models-config-card {
    padding-bottom: 14px;
}

.btn-add-model {
    flex: 0 0 auto;
    padding: 9px 14px;
    border: 1px solid rgba(99, 102, 241, 0.35);
    border-radius: 10px;
    color: #c7d2fe;
    background: rgba(99, 102, 241, 0.13);
    cursor: pointer;
    font-weight: 650;
    transition: 0.2s ease;
}

.btn-add-model:hover {
    transform: translateY(-1px);
    background: rgba(99, 102, 241, 0.22);
}

.model-config-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.model-config-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.model-config-table th {
    padding: 11px 12px;
    color: var(--text-secondary);
    background: rgba(15, 23, 42, 0.75);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.76rem;
    font-weight: 650;
    text-align: left;
}

.model-config-table td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.055);
}

.model-config-table tr:last-child td {
    border-bottom: 0;
}

.model-default-cell {
    width: 55px;
    text-align: center;
}

.default-model-radio input {
    position: absolute;
    opacity: 0;
}

.default-model-radio span {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid #64748b;
    border-radius: 50%;
    cursor: pointer;
    transition: 0.2s ease;
}

.default-model-radio input:checked + span {
    border-color: #818cf8;
    box-shadow: inset 0 0 0 4px #1e293b, inset 0 0 0 9px #818cf8;
}

.model-table-input,
.model-price-input input {
    width: 100%;
    padding: 9px 10px;
    color: var(--text-primary);
    background: rgba(2, 6, 23, 0.45);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    outline: none;
}

.model-table-input:focus,
.model-price-input input:focus {
    border-color: rgba(99, 102, 241, 0.72);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.model-id-input {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.82rem;
}

.model-price-input {
    display: flex;
    align-items: center;
    min-width: 125px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.45);
}

.model-price-input input {
    min-width: 55px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.model-price-input span {
    flex: 0 0 auto;
    padding-right: 9px;
    color: #fbbf24;
    font-size: 0.75rem;
    font-weight: 650;
}

.btn-remove-model {
    padding: 7px 10px;
    color: #fda4af;
    background: rgba(244, 63, 94, 0.08);
    border: 1px solid rgba(244, 63, 94, 0.22);
    border-radius: 8px;
    cursor: pointer;
}

.btn-remove-model:hover {
    background: rgba(244, 63, 94, 0.16);
}

.model-config-empty {
    padding: 26px;
    color: var(--text-secondary);
    text-align: center;
}

.api-config-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 26px 24px;
}

.config-security-note {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.api-config-actions {
    display: flex;
    flex: 0 0 auto;
    gap: 10px;
}

.api-action-btn {
    min-width: 110px;
    padding: 10px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    transition: 0.2s ease;
}

.api-action-btn:disabled {
    cursor: wait;
    opacity: 0.6;
}

.api-action-btn.secondary {
    color: var(--text-primary);
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--border-color);
}

.api-action-btn.primary {
    color: white;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border: 1px solid rgba(129, 140, 248, 0.4);
}

.api-action-btn:not(:disabled):hover {
    transform: translateY(-1px);
    filter: brightness(1.08);
}

@media (max-width: 768px) {
    .api-section-heading,
    .api-config-footer,
    .models-card-header {
        align-items: stretch;
        flex-direction: column;
    }

    .api-config-card {
        margin: 16px 14px 0;
        padding: 16px;
    }

    .api-config-grid {
        grid-template-columns: 1fr;
    }

    .api-config-footer {
        padding: 18px 14px 20px;
    }

    .api-config-actions {
        width: 100%;
    }

    .api-action-btn {
        flex: 1;
    }
}


/* 动态模型卡片 */
.model-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
}

.model-btn {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-width: 0;
    padding: 13px 14px;
    text-align: left;
}

.model-card-main {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 3px;
}

.model-name {
    overflow: hidden;
    color: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.model-id {
    overflow: hidden;
    max-width: 180px;
    opacity: 0.58;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.66rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.model-price {
    flex: 0 0 auto;
    padding: 5px 8px;
    color: #fbbf24;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 750;
}

.model-btn.active .model-price {
    color: #fef3c7;
    background: rgba(245, 158, 11, 0.2);
}

.model-loading {
    grid-column: 1 / -1;
    padding: 14px;
    color: var(--text-secondary);
    text-align: center;
}

.model-load-error {
    color: #fda4af;
}

/* 网站前端配置 */
.frontend-settings-section {
    padding: 0;
    overflow: hidden;
}

.frontend-config-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 230px;
    gap: 22px;
    padding: 24px 26px 0;
}

.frontend-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.frontend-color-row {
    display: flex;
    gap: 14px;
    margin-top: 18px;
}

.color-config-field {
    display: flex;
    flex: 1;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: rgba(2, 6, 23, 0.32);
}

.color-config-field span {
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.color-config-field input[type="color"] {
    width: 40px;
    height: 30px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
}

.color-config-field code {
    margin-left: auto;
    color: var(--text-primary);
    font-size: 0.78rem;
}

.brand-logo-card {
    display: flex;
    align-items: center;
    align-self: start;
    flex-direction: column;
    gap: 12px;
    padding: 18px;
    border: 1px solid var(--border-color);
    border-radius: 15px;
    background: rgba(15, 23, 42, 0.38);
    text-align: center;
}

.brand-logo-label {
    color: var(--text-primary);
    font-weight: 700;
}

.brand-logo-preview-wrap {
    display: grid;
    place-items: center;
    width: 132px;
    height: 132px;
    overflow: hidden;
    border: 1px dashed rgba(139, 92, 246, 0.35);
    border-radius: 24px;
    background: rgba(2, 6, 23, 0.42);
}

.brand-logo-preview-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@media (max-width: 900px) {
    .frontend-config-layout {
        grid-template-columns: 1fr;
    }

    .brand-logo-card {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .frontend-form-grid {
        grid-template-columns: 1fr;
    }

    .frontend-color-row {
        flex-direction: column;
    }
}

/* 多渠道配置布局 */
.settings-tabs-summary {
    display: flex;
    gap: 12px;
    padding: 18px 26px 0;
    flex-wrap: wrap;
}
.settings-tabs-summary span {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-secondary);
    background: rgba(15, 23, 42, .4);
    font-size: .82rem;
}
.settings-tabs-summary strong { color: var(--text-primary); }
.api-channel-list { display: grid; grid-template-columns: repeat(auto-fit,minmax(320px,1fr)); gap: 16px; margin-top: 18px; }
.api-channel-card { padding: 18px; border: 1px solid var(--border-color); border-radius: 14px; background: rgba(2,6,23,.32); }
.channel-card-head, .channel-card-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.channel-card-head strong { display: block; color: var(--text-primary); }
.channel-card-head span { color: var(--text-secondary); font-size: .75rem; }
.channel-form-grid, .email-config-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 16px; }
.channel-card-actions { justify-content: flex-end; margin-top: 15px; }
.switch-control { position: relative; display: inline-flex; }
.switch-control input { position: absolute; opacity: 0; }
.switch-control span { width: 42px; height: 23px; border-radius: 999px; background: #334155; cursor: pointer; transition: .2s; }
.switch-control span::after { content:''; display:block; width:17px; height:17px; margin:3px; border-radius:50%; background:white; transition:.2s; }
.switch-control input:checked + span { background: var(--accent-purple); }
.switch-control input:checked + span::after { transform: translateX(19px); }
.switch-control.compact span { width: 36px; height: 20px; }
.switch-control.compact span::after { width:14px; height:14px; }
.switch-control.compact input:checked + span::after { transform: translateX(16px); }
.multi-model-table { min-width: 1050px; }
.email-settings-section { padding: 0; overflow: hidden; }
.email-config-grid { padding: 24px 26px 0; grid-template-columns: repeat(3,minmax(0,1fr)); }
.sidebar-brand-only { font-size: 1.05rem; font-weight: 750; }
@media(max-width:900px){.email-config-grid{grid-template-columns:1fr 1fr}.channel-form-grid{grid-template-columns:1fr}}
@media(max-width:640px){.email-config-grid{grid-template-columns:1fr}.api-channel-list{grid-template-columns:1fr}.settings-tabs-summary{padding:14px}}

/* Per-session generation status and polished avatars */
.chat-avatar {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.35);
}
.chat-message.assistant .chat-avatar {
    background: linear-gradient(145deg, rgba(99, 102, 241, .3), rgba(168, 85, 247, .25));
}
.chat-message.assistant .chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.chat-message.user .chat-avatar {
    background: linear-gradient(145deg, #7c3aed, #2563eb);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.3), 0 8px 24px rgba(79,70,229,.3);
}
.user-avatar-initial {
    color: white;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
}
.generation-status {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 250px;
}
.generation-status div { display: flex; flex-direction: column; gap: 3px; }
.generation-status strong { color: var(--text-primary); }
.generation-status span:not(.generation-spinner) { color: var(--text-secondary); font-size: .8rem; }
.generation-spinner, .session-task-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(139, 92, 246, .22);
    border-top-color: var(--accent-purple);
    border-radius: 50%;
    animation: generationSpin .8s linear infinite;
    flex-shrink: 0;
}
.session-task-spinner { width: 12px; height: 12px; vertical-align: -2px; }
.generation-error { color: #fda4af; }
.session-item.generating { border-color: rgba(139,92,246,.45); }
.session-delete:disabled { opacity: .35; cursor: not-allowed; }
@keyframes generationSpin { to { transform: rotate(360deg); } }

.frontend-config-layout { grid-template-columns: minmax(0, 1fr) repeat(2, 210px); }
.avatar-preview-wrap { border-radius: 50%; width: 112px; height: 112px; }
.avatar-preview-wrap img { object-fit: cover; }
@media (max-width: 1100px) { .frontend-config-layout { grid-template-columns: minmax(0, 1fr) 210px; } }
@media (max-width: 900px) { .frontend-config-layout { grid-template-columns: 1fr; } }

/* Commercial admin sidebar */
.admin-page { padding-left: 248px; }
.admin-container { max-width: 1600px; padding: 28px 32px 50px; }
.admin-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 1100; width: 248px; padding: 22px 16px; display: flex; flex-direction: column; background: linear-gradient(180deg,#0f172a,#090f1f); border-right: 1px solid rgba(148,163,184,.16); box-shadow: 16px 0 40px rgba(2,6,23,.25); }
.admin-sidebar-brand { display:flex; align-items:center; gap:12px; padding:4px 8px 20px; border-bottom:1px solid rgba(148,163,184,.14); }
.admin-sidebar-brand img { width:42px; height:42px; object-fit:cover; border-radius:13px; }
.admin-sidebar-brand div { display:flex; flex-direction:column; min-width:0; }
.admin-sidebar-brand strong { color:#f8fafc; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.admin-sidebar-brand span { color:#64748b; font-size:.72rem; margin-top:3px; }
.admin-nav { display:flex; flex-direction:column; gap:5px; margin-top:18px; overflow-y:auto; }
.admin-nav-item { width:100%; padding:11px 13px; border:1px solid transparent; border-radius:10px; color:#94a3b8; background:transparent; text-align:left; cursor:pointer; font-weight:650; transition:.18s; }
.admin-nav-item:hover { color:#e2e8f0; background:rgba(99,102,241,.09); }
.admin-nav-item.active { color:white; border-color:rgba(129,140,248,.3); background:linear-gradient(135deg,rgba(99,102,241,.28),rgba(139,92,246,.16)); }
.admin-sidebar-footer { margin-top:auto; display:grid; gap:8px; padding-top:18px; border-top:1px solid rgba(148,163,184,.14); }
.admin-sidebar-footer a { padding:9px 12px; border-radius:9px; color:#94a3b8; text-decoration:none; background:rgba(15,23,42,.6); }
.admin-mobile-menu { display:none; position:fixed; left:16px; top:16px; z-index:1200; width:42px; height:42px; border:1px solid rgba(148,163,184,.25); border-radius:11px; color:white; background:#111827; }
[data-admin-panel][hidden] { display:none !important; }
.commerce-stat-grid { display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:14px; padding:24px 26px; }
.commerce-stat-grid>div { padding:18px; border:1px solid rgba(148,163,184,.14); border-radius:13px; background:rgba(15,23,42,.46); }
.commerce-stat-grid span { display:block; color:#f8fafc; font-size:1.55rem; font-weight:800; }
.commerce-stat-grid small { display:block; margin-top:6px; color:#94a3b8; }
.commerce-table-wrap { overflow:auto; padding:0 26px 26px; }
.commerce-status { display:inline-flex; padding:4px 8px; border-radius:999px; background:rgba(100,116,139,.2); color:#cbd5e1; font-size:.72rem; font-weight:750; }
.status-paid,.status-succeeded,.status-order_credit { background:rgba(16,185,129,.16); color:#6ee7b7; }
.status-failed,.status-failure_refund { background:rgba(244,63,94,.14); color:#fda4af; }
.status-processing,.status-queued,.status-pending { background:rgba(245,158,11,.15); color:#fcd34d; }
.amount-positive { color:#6ee7b7; font-weight:750; }.amount-negative { color:#fda4af; font-weight:750; }
@media(max-width:1200px){.commerce-stat-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.admin-page{padding-left:0}.admin-container{padding:72px 14px 32px}.admin-mobile-menu{display:block}.admin-sidebar{transform:translateX(-102%);transition:.22s}.admin-sidebar.open{transform:translateX(0)}.admin-sidebar-overlay.active{position:fixed;inset:0;z-index:1050;background:rgba(2,6,23,.7)}.commerce-stat-grid{grid-template-columns:repeat(2,1fr);padding:16px}.admin-header .admin-actions{display:none}}

.resolution-btn.model-disabled {
    opacity: 0.3;
    cursor: not-allowed;
    filter: grayscale(1);
    pointer-events: none;
}

.option-group.model-resolution-locked .option-label::after {
    content: '\ff08\7531\6a21\578b\56fa\5b9a\ff09';
    margin-left: 6px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 400;
}

.generation-record-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.generation-record-card{border:1px solid var(--border-color);border-radius:16px;overflow:hidden;background:var(--bg-card);display:flex;flex-direction:column}.generation-record-image{height:190px;background:rgba(15,23,42,.5);display:grid;place-items:center;color:var(--text-muted)}.generation-record-image img{width:100%;height:100%;object-fit:cover}.generation-record-body{padding:16px;display:flex;flex-direction:column;gap:9px}.generation-record-body h3{margin:0;font-size:15px}.generation-record-body p{margin:0;color:var(--text-secondary);line-height:1.55;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.generation-record-body small{color:var(--text-muted)}.generation-record-meta{display:flex;align-items:center;justify-content:space-between;gap:10px}.admin-prompt-form{display:grid;grid-template-columns:220px minmax(300px,1fr) 220px auto;gap:12px;margin-bottom:22px;padding:18px;border:1px solid var(--border-color);border-radius:14px;background:var(--bg-card)}.admin-prompt-form input,.admin-prompt-form textarea{width:100%;border:1px solid var(--border-color);border-radius:10px;padding:11px;background:var(--bg-input);color:var(--text-primary);resize:vertical}.record-actions{display:flex;gap:8px;margin-top:5px}.record-actions button{border:1px solid var(--border-color);background:var(--bg-input);color:var(--text-primary);border-radius:8px;padding:7px 10px;cursor:pointer}.record-actions button.danger{color:#ef4444}@media(max-width:1100px){.generation-record-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-prompt-form{grid-template-columns:1fr 1fr}}@media(max-width:700px){.generation-record-grid,.admin-prompt-form{grid-template-columns:1fr}}

.admin-prompt-form-wide{grid-template-columns:150px 200px minmax(240px,1fr) minmax(240px,1fr) 190px auto}.admin-prompt-form select{border:1px solid var(--border-color);border-radius:10px;padding:11px;background:var(--bg-input);color:var(--text-primary)}.admin-prompt-copy strong{font-size:12px;color:var(--text-muted)}.admin-prompt-copy p{margin-top:5px}@media(max-width:1400px){.admin-prompt-form-wide{grid-template-columns:1fr 1fr 1fr}}

.generation-record-tools{flex-wrap:wrap}.generation-record-tools input{width:210px;border:1px solid var(--border-color);border-radius:9px;padding:9px 11px;background:var(--bg-input);color:var(--text-primary)}.generation-record-grid.compact{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.compact-card{border-radius:12px}.compact-card .generation-record-image{height:118px;border:0;width:100%;padding:0;position:relative;cursor:zoom-in}.compact-card .generation-record-image:disabled{cursor:default}.compact-card .generation-record-image span{position:absolute;left:50%;bottom:7px;transform:translateX(-50%);font-size:11px;padding:4px 8px;border-radius:999px;background:rgba(2,6,23,.75);color:#fff;opacity:0;transition:.2s;white-space:nowrap}.compact-card .generation-record-image:hover span{opacity:1}.compact-card .generation-record-body{padding:11px;gap:6px}.compact-card .generation-record-body h3{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.compact-card .generation-record-body p{font-size:12px;line-height:1.4;-webkit-line-clamp:2;min-height:34px}.compact-card .generation-record-body small{font-size:10px}.compact-card .generation-record-meta strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:90px}.compact-card .commerce-status{font-size:10px;padding:3px 6px}.record-delete-btn{margin-top:3px;border:1px solid rgba(239,68,68,.3);background:rgba(239,68,68,.08);color:#fca5a5;border-radius:7px;padding:6px 8px;font-size:11px;cursor:pointer}.record-delete-btn:hover{background:rgba(239,68,68,.16)}@media(max-width:1450px){.generation-record-grid.compact{grid-template-columns:repeat(4,1fr)}}@media(max-width:1100px){.generation-record-grid.compact{grid-template-columns:repeat(3,1fr)}}@media(max-width:760px){.generation-record-grid.compact{grid-template-columns:repeat(2,1fr)}.generation-record-tools input{width:100%}}@media(max-width:480px){.generation-record-grid.compact{grid-template-columns:1fr}}

.prompt-admin-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:12px}.prompt-category-panel{border:1px solid var(--border-color);border-radius:10px;background:var(--bg-card);padding:11px}.prompt-category-panel h3{font-size:13px;margin:0 0 9px}.prompt-category-panel form{display:grid;gap:6px}.prompt-category-panel input{width:100%;padding:7px 8px;border:1px solid var(--border-color);border-radius:7px;background:var(--bg-input);color:var(--text-primary);font-size:11px}.prompt-category-panel form button{padding:7px;border:0;border-radius:7px;background:var(--accent-purple);color:#fff;cursor:pointer}.prompt-category-row{padding:8px 0;border-bottom:1px solid var(--border-color);display:grid;gap:4px}.prompt-category-row span{font-size:12px}.prompt-category-row small{font-size:9px;color:var(--text-muted)}.prompt-category-row div{display:flex;gap:4px}.prompt-category-row button{font-size:9px;padding:4px 6px;border:1px solid var(--border-color);border-radius:5px;background:var(--bg-input);color:var(--text-primary)}.prompt-category-row button.danger{color:#f87171}.compact-prompt-form{grid-template-columns:90px 120px 140px minmax(180px,1fr) minmax(180px,1fr) 150px 100px 150px auto;padding:10px;gap:7px;margin-bottom:10px}.compact-prompt-form input,.compact-prompt-form textarea,.compact-prompt-form select{padding:7px;font-size:10px}.compact-form-actions{display:flex;gap:5px;align-items:start}.compact-form-actions button{padding:7px 9px;font-size:10px}.admin-prompt-grid.compact{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.admin-prompt-card{border:1px solid var(--border-color);border-radius:9px;background:var(--bg-card);overflow:hidden}.admin-prompt-thumb{width:100%;height:88px;padding:0;border:0;background:var(--bg-input);display:grid;place-items:center;color:var(--text-muted);cursor:zoom-in}.admin-prompt-thumb:disabled{cursor:default}.admin-prompt-thumb img{width:100%;height:100%;object-fit:cover}.admin-prompt-info{padding:8px}.admin-prompt-head{display:flex;justify-content:space-between;gap:5px}.admin-prompt-head strong{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-prompt-head span{font-size:8px;white-space:nowrap}.admin-prompt-info small{font-size:8px;color:var(--text-muted);display:block;margin:4px 0}.admin-prompt-info p{font-size:9px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:24px;margin:0}.admin-prompt-actions{display:flex;flex-wrap:wrap;gap:3px;margin-top:6px}.admin-prompt-actions button{font-size:8px;padding:4px 5px;border:1px solid var(--border-color);border-radius:5px;background:var(--bg-input);color:var(--text-primary)}.admin-prompt-actions .danger{color:#f87171}.admin-prompt-actions .warning{color:#fbbf24}.admin-prompt-card.review-pending{border-color:rgba(251,191,36,.35)}.admin-prompt-card.review-rejected{opacity:.72}@media(max-width:1500px){.compact-prompt-form{grid-template-columns:repeat(4,1fr)}.admin-prompt-grid.compact{grid-template-columns:repeat(5,1fr)}}@media(max-width:1100px){.prompt-admin-layout{grid-template-columns:1fr}.admin-prompt-grid.compact{grid-template-columns:repeat(4,1fr)}}@media(max-width:760px){.admin-prompt-grid.compact{grid-template-columns:repeat(2,1fr)}.compact-prompt-form{grid-template-columns:1fr 1fr}}@media(max-width:480px){.admin-prompt-grid.compact,.compact-prompt-form{grid-template-columns:1fr}}

.record-select-all{display:inline-flex;align-items:center;gap:6px;color:var(--text-secondary);font-size:12px;cursor:pointer}.record-select-all input{width:15px;height:15px;padding:0;accent-color:var(--accent-purple)}.api-action-btn.danger{border-color:rgba(239,68,68,.34);color:#f87171}.generation-record-card{position:relative}.generation-record-check{position:absolute;z-index:3;top:7px;left:7px;width:25px;height:25px;border-radius:8px;background:rgba(2,6,23,.82);display:grid;place-items:center;cursor:pointer;box-shadow:0 3px 12px rgba(0,0,0,.25)}.generation-record-check input{position:absolute;opacity:0;pointer-events:none}.generation-record-check span{width:14px;height:14px;border:1px solid rgba(255,255,255,.55);border-radius:4px;background:rgba(255,255,255,.05)}.generation-record-check input:checked+span{border-color:#8b5cf6;background:#8b5cf6;box-shadow:inset 0 0 0 3px #151124}

.admin-prompt-scroll{max-height:66vh;min-height:260px;overflow-y:auto;overflow-x:hidden;padding-right:7px;scrollbar-gutter:stable}.admin-prompt-scroll::-webkit-scrollbar{width:9px}.admin-prompt-scroll::-webkit-scrollbar-track{background:var(--bg-input);border-radius:999px}.admin-prompt-scroll::-webkit-scrollbar-thumb{background:rgba(139,92,246,.45);border-radius:999px;border:2px solid var(--bg-input)}.admin-prompt-scroll::-webkit-scrollbar-thumb:hover{background:rgba(139,92,246,.7)}@media(max-width:760px){.admin-prompt-scroll{max-height:62vh;padding-right:4px}}

.prompt-source-admin{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}

.admin-prompt-actions a{font-size:8px;padding:4px 5px;border:1px solid rgba(96,165,250,.3);border-radius:5px;background:rgba(59,130,246,.08);color:#93c5fd;text-decoration:none}
.prompt-input-wrap{position:relative}.image-mention-help{margin-top:6px}.preview-item .preview-index{position:absolute;left:3px;top:3px;min-width:19px;height:19px;padding:0 5px;display:flex;align-items:center;justify-content:center;border-radius:999px;background:rgba(99,102,241,.92);color:#fff;font-size:11px;font-weight:800;box-shadow:0 2px 8px rgba(0,0,0,.25)}.preview-item .btn-mention{position:absolute;left:4px;right:4px;bottom:4px;height:24px;border:0;border-radius:7px;background:rgba(8,11,18,.86);color:#ddd6fe;font-size:11px;font-weight:700;cursor:pointer;opacity:0;transition:.2s}.preview-item:hover .btn-mention{opacity:1}.preview-item .btn-mention:hover{background:#6366f1;color:#fff}.image-mention-menu[hidden]{display:none}.image-mention-menu{position:absolute;left:0;right:0;bottom:calc(100% + 8px);z-index:30;display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px;max-height:220px;overflow-y:auto;padding:10px;border:1px solid var(--border-color);border-radius:14px;background:rgba(15,18,28,.98);box-shadow:0 18px 44px rgba(0,0,0,.38);backdrop-filter:blur(14px)}.image-mention-option{display:flex;align-items:center;gap:7px;min-width:0;padding:6px;border:1px solid transparent;border-radius:9px;background:var(--bg-tertiary);color:var(--text-primary);cursor:pointer}.image-mention-option:hover{border-color:var(--accent-purple);background:var(--bg-hover)}.image-mention-option img{width:34px;height:34px;flex:0 0 auto;border-radius:7px;object-fit:cover}.image-mention-option span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:700}
.chat-image-actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px}.chat-image-actions .chat-image-hint{margin-top:0}.add-generated-reference{flex:0 0 auto;border:1px solid rgba(139,92,246,.35);border-radius:9px;padding:7px 11px;background:rgba(99,102,241,.12);color:#c4b5fd;font-size:12px;font-weight:700;cursor:pointer;transition:.2s}.add-generated-reference:hover{border-color:#8b5cf6;background:rgba(99,102,241,.25);color:#fff}.add-generated-reference:disabled{opacity:.55;cursor:wait}

/* Membership plan administration */
.membership-admin-layout{display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:20px;align-items:start}.membership-plan-form{padding:20px;border:1px solid rgba(128,128,160,.2);border-radius:16px;background:var(--card-bg,#171923)}.membership-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.membership-plan-form label{display:grid;gap:7px;color:var(--text-secondary,#a8adba);font-size:13px}.membership-plan-form input,.membership-plan-form textarea{width:100%;padding:11px 12px;border:1px solid rgba(128,128,160,.25);border-radius:9px;background:rgba(0,0,0,.16);color:inherit}.membership-feature-field{margin-top:12px}.membership-toggle-row{display:flex;gap:22px;margin:15px 0}.membership-toggle-row label{display:flex;align-items:center;gap:8px}.membership-toggle-row input{width:auto}.membership-plan-list{display:grid;grid-template-columns:repeat(2,minmax(230px,1fr));gap:12px;max-height:680px;overflow:auto;padding-right:5px}.membership-admin-card{padding:18px;border:1px solid rgba(128,128,160,.2);border-radius:15px;background:var(--card-bg,#171923)}.membership-admin-card.recommended{border-color:#8066ed;box-shadow:inset 0 0 0 1px rgba(128,102,237,.2)}.membership-admin-card.disabled{opacity:.62}.membership-admin-head{display:flex;justify-content:space-between;gap:10px}.membership-admin-head strong,.membership-admin-head span{display:block}.membership-admin-head span{margin-top:4px;color:var(--text-secondary,#8f94a2);font-size:12px}.membership-admin-head b,.membership-admin-head i{display:inline-block;padding:4px 7px;margin-left:4px;border-radius:99px;background:#684bd2;color:#fff;font-size:10px;font-style:normal}.membership-admin-head i{background:#1e765d}.membership-admin-head i.off{background:#666}.membership-admin-price{display:flex;align-items:baseline;gap:10px;margin:18px 0}.membership-admin-price strong{font-size:27px}.membership-admin-price span{color:var(--text-secondary,#969baa);font-size:12px}.membership-admin-card ul{min-height:70px;margin:0 0 14px;padding-left:18px;color:var(--text-secondary,#a1a5b0);font-size:12px;line-height:1.7}@media(max-width:1050px){.membership-admin-layout{grid-template-columns:1fr}.membership-plan-list{max-height:none}}@media(max-width:650px){.membership-form-grid,.membership-plan-list{grid-template-columns:1fr}}

/* 2026 UI refinement: atmospheric canvas, rewards and admin operations */
body::before{content:"";position:fixed;inset:-20%;z-index:-2;pointer-events:none;background:radial-gradient(circle at 18% 18%,rgba(99,102,241,.16),transparent 27%),radial-gradient(circle at 82% 12%,rgba(34,211,238,.1),transparent 24%),radial-gradient(circle at 64% 78%,rgba(168,85,247,.12),transparent 30%);filter:blur(18px);animation:ambientDrift 18s ease-in-out infinite alternate}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.22;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:46px 46px;mask-image:linear-gradient(to bottom,black,transparent 85%)}
@keyframes ambientDrift{0%{transform:translate3d(-2%,-1%,0) scale(1)}100%{transform:translate3d(3%,2%,0) scale(1.08)}}
.btn-reward-center{border:1px solid rgba(139,92,246,.42);border-radius:10px;padding:8px 12px;background:linear-gradient(135deg,rgba(99,102,241,.2),rgba(168,85,247,.12));color:#ddd6fe;font-weight:750;cursor:pointer;transition:.22s}.btn-reward-center:hover{transform:translateY(-2px);border-color:#a78bfa;box-shadow:0 10px 26px rgba(99,102,241,.2)}
.reward-center-overlay{display:grid;place-items:center;padding:20px;background:rgba(4,6,15,.74);backdrop-filter:blur(14px);opacity:0;transition:.18s}.reward-center-overlay.active{opacity:1}.reward-center-modal{width:min(860px,96vw);max-height:90vh;overflow:auto;border:1px solid rgba(139,92,246,.35);background:linear-gradient(155deg,rgba(19,22,36,.98),rgba(9,11,21,.99));box-shadow:0 35px 90px rgba(0,0,0,.55)}.reward-eyebrow{font-size:10px;letter-spacing:.22em;color:#a78bfa;font-weight:800}.checkin-spotlight{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px;border-radius:18px;background:linear-gradient(120deg,#4f46e5,#7c3aed 64%,#9333ea);box-shadow:0 18px 40px rgba(79,70,229,.3)}.checkin-spotlight div{display:grid;gap:5px}.checkin-spotlight span,.checkin-spotlight small{color:rgba(255,255,255,.72)}.checkin-spotlight strong{font-size:24px;color:#fff}.checkin-spotlight button{border:0;border-radius:12px;padding:12px 20px;background:#fff;color:#4f46e5;font-weight:850;cursor:pointer}.checkin-spotlight button:disabled{opacity:.62;cursor:default}.invite-program{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:center;padding:28px 0 22px}.invite-program h4{margin:7px 0 10px;font-size:22px;line-height:1.35}.invite-program p{margin:0;color:var(--text-secondary);line-height:1.7}.invite-code-box{padding:18px;border:1px solid rgba(139,92,246,.28);border-radius:16px;background:rgba(99,102,241,.08)}.invite-code-box label,.invite-code-box small{display:block;color:var(--text-secondary);font-size:12px}.invite-code-box>div{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:9px 0}.invite-code-box strong{font-size:24px;letter-spacing:.08em;color:#c4b5fd}.invite-code-box button{border:0;border-radius:9px;padding:8px 11px;background:#6d5bd0;color:#fff;cursor:pointer}.reward-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;overflow:hidden;border:1px solid var(--border-color);border-radius:14px;background:var(--border-color)}.reward-metrics>div{display:grid;gap:6px;padding:17px;background:var(--bg-secondary)}.reward-metrics span{font-size:12px;color:var(--text-secondary)}.reward-metrics strong{font-size:20px}.commission-history{margin-top:22px}.commission-history-head,.commission-row{display:flex;align-items:center;justify-content:space-between;gap:15px}.commission-history-head{margin-bottom:10px}.commission-history-head h4{margin:0}.commission-history-head span{font-size:12px;color:var(--text-secondary)}.commission-row{padding:13px 2px;border-top:1px solid var(--border-color)}.commission-row>div{display:grid;gap:3px}.commission-row>div:last-child{text-align:right}.commission-row span{font-size:11px;color:var(--text-secondary)}.commission-row b{color:#86efac}.commission-empty{padding:24px 0;color:var(--text-secondary);text-align:center}.invite-code-field small{color:var(--text-secondary);font-weight:400}
.prompt-admin-layout{grid-template-columns:minmax(260px,330px) minmax(0,1fr)!important}.prompt-admin-main,.admin-prompt-form{min-width:0}.compact-prompt-form{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:12px!important;overflow:hidden}.compact-prompt-form textarea,.compact-prompt-form input[type="file"],.compact-prompt-form .compact-form-actions{grid-column:1/-1}.compact-form-actions{display:flex!important;flex-wrap:wrap;justify-content:flex-end;position:sticky;bottom:0;padding-top:10px;background:linear-gradient(transparent,var(--bg-secondary) 35%)}.compact-form-actions .api-action-btn{min-width:110px;max-width:100%;white-space:normal}.prompt-category-row{grid-template-columns:minmax(0,1fr) 78px auto!important;align-items:center}.prompt-category-identity{min-width:0}.prompt-category-identity strong,.prompt-category-identity span{display:block}.prompt-category-identity strong{overflow:hidden;text-overflow:ellipsis}.prompt-category-identity span{font-size:11px;color:var(--text-secondary)}.prompt-category-row label{display:grid;gap:4px;font-size:10px;color:var(--text-secondary)}.prompt-category-row input{width:100%;padding:6px!important}
.growth-admin-grid{display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:18px}.growth-config-panel,.growth-summary-panel,.growth-data-grid>section{border:1px solid rgba(139,92,246,.2);border-radius:18px;background:rgba(18,20,32,.82);box-shadow:0 18px 48px rgba(0,0,0,.14)}.growth-config-panel{display:grid;gap:14px;padding:22px}.growth-config-panel h3{margin:0}.growth-kicker{color:#a78bfa;font-size:10px;letter-spacing:.18em;font-weight:800}.growth-config-panel label{display:grid;gap:7px;color:var(--text-secondary);font-size:12px}.growth-config-panel input[type=number]{width:100%;padding:11px;border:1px solid var(--border-color);border-radius:9px;background:rgba(0,0,0,.17);color:inherit}.growth-config-panel .growth-toggle{display:flex;align-items:center;gap:9px}.growth-config-panel p{margin:0;color:var(--text-secondary);font-size:12px;line-height:1.65}.growth-summary-panel{display:grid;grid-template-columns:repeat(3,1fr);align-self:start;overflow:hidden}.growth-summary-panel>div{display:grid;gap:8px;padding:25px;border-right:1px solid var(--border-color)}.growth-summary-panel>div:last-child{border:0}.growth-summary-panel span{color:var(--text-secondary);font-size:12px}.growth-summary-panel strong{font-size:26px}.growth-data-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:18px;margin-top:18px}.growth-data-grid>section{min-width:0;padding:18px}.growth-table-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.growth-table-head h3{margin:0}.growth-table-head span{font-size:11px;color:var(--text-secondary)}.growth-table-wrap{overflow:auto;max-height:540px}.growth-table{width:100%;border-collapse:collapse;font-size:12px}.growth-table th,.growth-table td{padding:11px 9px;border-bottom:1px solid var(--border-color);text-align:left;white-space:nowrap}.growth-table th{position:sticky;top:0;background:#171923;color:var(--text-secondary);z-index:1}.growth-table select{padding:6px;border:1px solid var(--border-color);border-radius:7px;background:#11131d;color:inherit}.growth-table code{color:#c4b5fd}
@media(max-width:920px){.invite-program,.growth-admin-grid,.growth-data-grid{grid-template-columns:1fr}.compact-prompt-form{grid-template-columns:1fr!important}.compact-prompt-form>*{grid-column:1!important}.growth-summary-panel{grid-template-columns:1fr}.growth-summary-panel>div{border-right:0;border-bottom:1px solid var(--border-color)}}@media(max-width:640px){.checkin-spotlight{align-items:flex-start;flex-direction:column}.reward-metrics{grid-template-columns:1fr}.prompt-admin-layout{grid-template-columns:1fr!important}.compact-form-actions{justify-content:stretch}.compact-form-actions .api-action-btn{flex:1}.btn-reward-center{padding:7px 9px;font-size:12px}}
@media(prefers-reduced-motion:reduce){body::before{animation:none}.btn-reward-center{transition:none}}

/* Prompt management: keep upload controls inside the working area at every width. */
.prompt-admin-section{overflow:hidden}
.prompt-admin-layout{align-items:start}
.prompt-category-help{margin:-4px 0 12px;color:var(--text-secondary);font-size:11px;line-height:1.55}
.compact-prompt-form{overflow:visible!important;padding-bottom:0}
.compact-prompt-form>*{min-width:0;max-width:100%;box-sizing:border-box}
.compact-prompt-form input[type=file]{width:100%;overflow:hidden}
.compact-prompt-form .compact-form-actions{z-index:3;margin:0 -2px -2px;padding:14px 2px 2px}
.prompt-category-actions{display:flex;align-items:center;justify-content:flex-end;gap:5px;flex-wrap:wrap}
.prompt-category-actions button{min-width:30px}
.prompt-category-actions button:disabled{opacity:.35;cursor:not-allowed}
.admin-prompt-scroll{min-width:0;overflow-x:hidden}
.admin-prompt-grid.compact{min-width:0}

/* Growth administration and lightweight front-end atmosphere. */
.growth-checkin-log{grid-column:1/-1}
.invite-register-tip{display:block;margin-top:6px;color:var(--text-secondary);font-size:11px;line-height:1.5}
.invite-code-box>div{flex-wrap:wrap}
.invite-code-box button{white-space:nowrap}
.main-content,.sidebar,.top-header{position:relative;z-index:1}
body:not(.admin-page)::before{background:
  radial-gradient(circle at 12% 18%,rgba(99,102,241,.2),transparent 26%),
  radial-gradient(circle at 86% 14%,rgba(34,211,238,.13),transparent 23%),
  radial-gradient(circle at 68% 82%,rgba(168,85,247,.16),transparent 30%);
  animation:ambientDrift 16s ease-in-out infinite alternate}
.preview-panel,.controls-panel{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.btn-generate{transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.btn-generate:hover{transform:translateY(-2px);filter:saturate(1.08);box-shadow:0 14px 34px rgba(99,102,241,.26)}

@media(max-width:1100px){
  .prompt-admin-layout{grid-template-columns:1fr!important}
  .prompt-category-panel{position:static!important;max-height:none!important}
}
@media(max-width:720px){
  .prompt-category-row{grid-template-columns:minmax(0,1fr) 72px!important}
  .prompt-category-actions{grid-column:1/-1;justify-content:flex-start}
  .compact-form-actions{position:static!important;background:none!important}
  .growth-checkin-log{grid-column:auto}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* Creator workspace responsive hardening. */
.mobile-account-btn{display:none}.user-menu-panel{display:flex;align-items:center;gap:var(--spacing-sm);min-width:0}
@media(max-width:1280px){
.top-banner{grid-template-columns:minmax(190px,auto) 1fr auto}.banner-content{justify-self:center;gap:7px}.banner-content .banner-text:first-child,.banner-content .banner-divider{display:none}.site-subtitle{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}
@media(max-width:1100px){
.top-banner{min-height:58px;padding:8px 14px;grid-template-columns:minmax(0,1fr) auto;gap:12px}.site-header{grid-column:1;min-width:0}.banner-content{display:none}.user-menu{grid-column:2}.mobile-account-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:0 12px;border:1px solid var(--border-color);border-radius:10px;background:rgba(255,255,255,.055);color:var(--text-primary);cursor:pointer}.mobile-account-icon{width:8px;height:8px;overflow:hidden;border-radius:50%;color:transparent;background:var(--accent-gradient);box-shadow:0 0 10px rgba(168,85,247,.75)}.mobile-account-label{font-size:.78rem;font-weight:650}.user-menu-panel{position:absolute;top:calc(100% + 10px);right:0;z-index:1200;display:flex;width:min(330px,calc(100vw - 24px));max-height:min(70vh,480px);padding:12px;overflow-y:auto;flex-wrap:wrap;align-items:stretch;gap:8px;border:1px solid var(--border-light);border-radius:14px;background:rgba(14,13,22,.97);box-shadow:0 24px 60px rgba(0,0,0,.5);backdrop-filter:blur(18px);opacity:0;visibility:hidden;transform:translateY(-8px) scale(.98);transform-origin:top right;transition:opacity .18s ease,transform .18s ease,visibility .18s ease}.user-menu-panel.open{opacity:1;visibility:visible;transform:none}.user-menu-panel .lang-switch{order:10}.user-menu-panel .user-credits,.user-menu-panel .user-name{display:inline-flex!important;align-items:center;min-height:34px;flex:1 1 120px}.user-menu-panel .btn-reward-center,.user-menu-panel .btn-recharge,.user-menu-panel .btn-admin,.user-menu-panel .btn-user-logout{display:inline-flex;min-height:36px;flex:1 1 120px;align-items:center;justify-content:center;padding:7px 10px;font-size:.78rem;white-space:nowrap}
}
@media(max-width:768px){
body{height:100svh;min-height:100svh}.top-banner{position:relative;z-index:1100;min-height:calc(54px + env(safe-area-inset-top));padding:calc(8px + env(safe-area-inset-top)) 10px 8px;grid-template-columns:auto minmax(0,1fr) auto}.hamburger-btn{grid-column:1;width:38px;height:38px}.site-header{display:flex!important;grid-column:2;justify-self:start}.site-logo{display:block!important;width:30px;height:30px}.site-title-group{display:flex!important;min-width:0}.site-title{max-width:36vw;overflow:hidden;text-overflow:ellipsis;font-size:.9rem}.site-subtitle{display:none}.user-menu{grid-column:3}.mobile-account-btn{width:38px;min-height:38px;padding:0;border-radius:10px}.mobile-account-label{display:none}.user-menu-panel{position:fixed;top:calc(58px + env(safe-area-inset-top));right:10px}.app-container{min-height:0;height:calc(100svh - 54px - env(safe-area-inset-top));flex:none}.sidebar{position:fixed!important;z-index:1300!important;width:min(84vw,300px);height:100svh;padding-top:env(safe-area-inset-top);box-shadow:24px 0 60px rgba(0,0,0,.55)}.sidebar-overlay{z-index:1250}.main-content{width:100%;height:100%;padding:10px;overflow-y:auto;overscroll-behavior:contain}.control-panel{padding:14px;border-radius:16px}.control-section{padding-bottom:14px;margin-bottom:14px}.section-header{margin-bottom:10px}.prompt-input{min-height:104px;padding:13px;resize:none;font-size:16px}.hint-text{font-size:.72rem;line-height:1.55}.model-buttons,.option-buttons,.aspect-ratio-buttons,.quality-buttons{display:flex;flex-wrap:nowrap;gap:8px;padding:2px 2px 7px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none}.model-buttons::-webkit-scrollbar,.option-buttons::-webkit-scrollbar{display:none}.option-btn,.model-btn{flex:0 0 auto;min-height:40px;scroll-snap-align:start}.model-btn{width:min(78vw,275px)}.generate-section{position:sticky;z-index:10;bottom:-14px;margin:0 -14px -14px;padding:12px 14px calc(14px + env(safe-area-inset-bottom));background:linear-gradient(180deg,rgba(14,13,22,0),rgba(14,13,22,.96) 22%)}.btn-generate{min-height:50px}.preview-panel{min-height:min(62svh,500px);max-height:none;border-radius:16px}
}
@media(max-width:420px){
.top-banner{gap:7px}.site-title{max-width:31vw;font-size:.82rem}.control-panel{padding:12px}.upload-area{width:72px;height:72px}.section-hint,.image-mention-help{display:none}
}

/* Unified credit and membership card administration. */
.card-generator-tabs{display:inline-flex;align-self:flex-start;padding:4px;border:1px solid var(--border-color);border-radius:12px;background:rgba(2,6,23,.28)}
.card-generator-tab{min-height:38px;padding:0 18px;border:0;border-radius:9px;background:transparent;color:var(--text-secondary);font-weight:650;cursor:pointer}.card-generator-tab.active{background:var(--accent-gradient);color:#fff;box-shadow:0 8px 22px rgba(99,102,241,.22)}
.card-generator-form{align-items:end}.card-generator-form .form-group-inline{min-width:180px;flex:1}.card-generator-description{margin:12px 0 0;color:var(--text-secondary);font-size:12px}.card-security-tip{padding:12px;border-left:3px solid #f59e0b;border-radius:8px;background:rgba(245,158,11,.1);color:#fbbf24;font-size:.85rem}
.card-type-badge{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:11px;font-weight:750}.card-type-badge.credits{background:rgba(251,191,36,.13);color:#fbbf24}.card-type-badge.membership{background:rgba(168,85,247,.15);color:#d8b4fe}
.generated-card-key-list>p{color:#f59e0b;font-weight:650}.generated-card-key{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;padding:11px;border:1px solid var(--border-color);border-radius:9px;background:rgba(139,92,246,.08)}.generated-card-key div{display:grid;gap:4px;min-width:0}.generated-card-key span{color:var(--text-secondary);font-size:11px}.generated-card-key code{color:var(--accent-purple-light);font-size:15px;letter-spacing:1px}.generated-card-key button{padding:6px 10px;border:0;border-radius:7px;background:rgba(99,102,241,.2);color:#a5b4fc;cursor:pointer}
.frontend-wide-field{grid-column:1/-1}.frontend-wide-field textarea{resize:vertical;min-height:84px}
@media(max-width:720px){.card-generator-tabs{width:100%}.card-generator-tab{flex:1;padding-inline:8px}.card-generator-form{align-items:stretch}.card-generator-form .form-group-inline{min-width:100%}.card-generator-form .btn-generate-keys{width:100%;justify-content:center}.generated-card-key{align-items:stretch;flex-direction:column}.generated-card-key button{min-height:38px}}

/* Ultra-wide creator header: centered, single-line and non-colliding. */
@media(min-width:1281px){
.top-banner{grid-template-columns:minmax(220px,1fr) minmax(360px,auto) minmax(420px,1fr);min-height:64px;padding:10px max(24px,calc((100vw - 1760px)/2));column-gap:24px}.site-header{min-width:0}.site-title-group{min-width:0}.site-title,.site-subtitle{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.banner-content{min-width:0;flex-wrap:nowrap;white-space:nowrap}.user-menu{min-width:0;justify-self:end}.user-menu-panel{min-width:0;display:flex;flex-wrap:nowrap}.user-menu-panel>*{flex-shrink:0}.lang-switch{flex:none}.btn-reward-center,.btn-recharge,.btn-admin,.btn-user-logout,.user-name,.user-credits{font-size:.82rem}.btn-reward-center,.btn-recharge,.btn-admin,.btn-user-logout{padding:6px 9px}
}
@media(min-width:1800px){.top-banner{grid-template-columns:minmax(260px,1fr) auto minmax(520px,1fr)}.banner-content{gap:10px}.user-menu-panel{gap:7px}}

/* Desktop header alignment correction: keep account actions safely inside viewport. */
@media(min-width:1281px){
.top-banner{padding-left:max(18px,calc((100vw - 1760px)/2));padding-right:max(44px,calc((100vw - 1680px)/2 + 44px));grid-template-columns:minmax(210px,.88fr) minmax(340px,auto) minmax(420px,1.12fr)}
.user-menu{transform:translateX(-8px)}
}
@media(min-width:1600px){.user-menu{transform:translateX(-18px)}}


.card-batch-toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 0}.card-batch-toolbar label{color:var(--text-secondary);font-size:12px;font-weight:700}.card-batch-toolbar .form-input{width:auto;min-width:240px}.card-copy-btn{min-height:36px;padding:7px 13px;border:1px solid rgba(99,102,241,.4);border-radius:8px;background:rgba(99,102,241,.16);color:#c7d2fe;font-weight:700;cursor:pointer}.card-copy-btn.secondary{border-color:var(--border-color);background:var(--bg-tertiary);color:var(--text-secondary)}.card-copy-btn.compact{min-height:30px;padding:4px 10px;font-size:12px}.card-copy-btn:disabled{opacity:.45;cursor:not-allowed}.card-batch-id{font-family:monospace;font-size:11px;color:var(--text-secondary);white-space:nowrap}.generated-batch-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;padding:10px;border-radius:9px;background:rgba(99,102,241,.12)}.generated-batch-actions span{color:var(--text-secondary);font-family:monospace;font-size:12px}.generated-batch-actions button{padding:7px 12px;border:0;border-radius:7px;background:var(--accent-gradient);color:#fff;font-weight:700;cursor:pointer}.card-key-code{user-select:all;white-space:nowrap}
@media(max-width:720px){.card-batch-toolbar{align-items:stretch}.card-batch-toolbar label{width:100%}.card-batch-toolbar .form-input,.card-batch-toolbar .card-copy-btn{width:100%}.generated-batch-actions{align-items:stretch;flex-direction:column}.generated-batch-actions button{min-height:38px}}


.custom-modal:has(.generated-card-key-list){width:min(680px,calc(100vw - 28px));max-height:min(86vh,760px);display:flex;flex-direction:column}.custom-modal:has(.generated-card-key-list) .custom-modal-body{min-height:0;overflow:hidden;padding-bottom:14px}.custom-modal:has(.generated-card-key-list) .custom-modal-message,.generated-card-key-list{min-height:0;height:100%}.generated-card-key-list{display:flex;flex-direction:column}.generated-card-key-list>p{flex:0 0 auto;margin:0 0 10px;font-size:12px;line-height:1.5}.generated-card-key-scroll{min-height:120px;max-height:min(48vh,430px);overflow-y:auto;overscroll-behavior:contain;padding-right:5px;scrollbar-gutter:stable}.generated-card-key-scroll .generated-card-key:last-child{margin-bottom:0}.generated-batch-actions{position:sticky;top:0;z-index:2;flex:0 0 auto}.generated-batch-actions>div{display:grid;gap:3px;min-width:0}.generated-batch-actions strong{color:var(--text-primary);font-size:13px}.generated-card-key-scroll::-webkit-scrollbar{width:7px}.generated-card-key-scroll::-webkit-scrollbar-thumb{border-radius:999px;background:rgba(139,92,246,.45)}
@media(max-width:720px){.custom-modal:has(.generated-card-key-list){max-height:88svh}.custom-modal:has(.generated-card-key-list) .custom-modal-header{padding:15px 16px}.custom-modal:has(.generated-card-key-list) .custom-modal-body{padding:14px 16px 10px}.custom-modal:has(.generated-card-key-list) .custom-modal-footer{padding:10px 16px 16px}.generated-card-key-scroll{max-height:46svh}.generated-card-key code{font-size:13px;letter-spacing:.5px;overflow-wrap:anywhere}.generated-batch-actions{flex-direction:row;align-items:center}.generated-batch-actions button{min-height:36px;white-space:nowrap}}


.user-management-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px}.user-management-heading .section-title{margin-bottom:5px}.user-management-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.user-management-actions .form-input{width:min(320px,34vw);min-width:220px}.admin-user-dialog{display:grid;gap:14px;text-align:left}.admin-user-dialog label{display:grid;gap:6px;color:var(--text-secondary);font-size:13px;font-weight:650}.admin-user-dialog .custom-modal-input{margin-top:0}.admin-user-dialog>button{min-height:42px;justify-content:center}.admin-user-dialog>p{margin:0;color:var(--text-secondary)}
@media(max-width:720px){.user-management-heading{align-items:stretch;flex-direction:column}.user-management-actions{display:grid;grid-template-columns:1fr 1fr}.user-management-actions .form-input{grid-column:1/-1;width:100%;min-width:0}.user-management-actions .api-action-btn{justify-content:center}}


/* Reward center scrolling: keep header visible and scroll the content area. */
body.reward-center-open{overflow:hidden}
.reward-center-overlay{overflow:hidden;touch-action:none}.reward-center-modal{height:min(90svh,820px);max-height:calc(100svh - 32px);overflow:hidden;display:flex;flex-direction:column;touch-action:auto}.reward-center-modal .custom-modal-header{flex:0 0 auto}.reward-center-modal .custom-modal-body{min-height:0;flex:1 1 auto;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y;scrollbar-gutter:stable}.reward-center-modal .custom-modal-body::-webkit-scrollbar{width:7px}.reward-center-modal .custom-modal-body::-webkit-scrollbar-thumb{border-radius:999px;background:rgba(139,92,246,.45)}
@media(max-width:640px){.reward-center-overlay{place-items:stretch center;padding:10px 8px calc(10px + env(safe-area-inset-bottom))}.reward-center-modal{align-self:center;width:calc(100vw - 16px);height:calc(100svh - 20px - env(safe-area-inset-bottom));max-height:none;border-radius:16px}.reward-center-modal .custom-modal-header{padding:14px 16px}.reward-center-modal .custom-modal-header h3{margin:2px 0 0;font-size:1.05rem}.reward-center-modal .custom-modal-body{padding:14px 14px calc(22px + env(safe-area-inset-bottom))}.reward-center-modal .checkin-spotlight{padding:18px 16px}.reward-center-modal .invite-program{padding:20px 0 16px}.reward-center-modal .commission-history{padding-bottom:8px}}


/* Image/video generation mode */
.generation-mode-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5px;
    margin-bottom: 18px;
    padding: 5px;
    border: 1px solid var(--border-color);
    border-radius: 13px;
    background: rgba(8, 10, 18, .72);
}

.generation-mode-btn {
    min-height: 42px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 750;
    cursor: pointer;
    transition: color .18s ease, background .18s ease, box-shadow .18s ease;
}

.generation-mode-btn.active {
    color: #fff;
    background: var(--accent-gradient);
    box-shadow: 0 8px 22px rgba(99, 102, 241, .24);
}

.chat-video {
    display: block;
    width: min(100%, 720px);
    max-height: 68vh;
    border-radius: 14px;
    background: #05060a;
}

.chat-video-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 9px;
}

.chat-video-actions a {
    padding: 7px 12px;
    border: 1px solid rgba(139, 92, 246, .35);
    border-radius: 8px;
    background: rgba(99, 102, 241, .12);
    color: #c4b5fd;
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
}

[hidden] {
    display: none !important;
}

@media (max-width: 640px) {
    .generation-mode-switch {
        position: sticky;
        top: -12px;
        z-index: 12;
        margin-inline: -2px;
        backdrop-filter: blur(14px);
    }

    .generation-mode-btn {
        min-height: 40px;
    }

    .chat-video {
        width: 100%;
        max-height: 58svh;
        border-radius: 10px;
    }
}