/* ============================================================
   ANGEL 授权系统 - 全局样式
   视频背景 + 毛玻璃暗色风格
   ============================================================ */

/* 字体回退：优先系统字体，Google Fonts 加载失败不影响页面 */
@font-face {
    font-family: 'Inter';
    src: local('Inter'), local('Segoe UI'), local('PingFang SC'), local('Microsoft YaHei');
}

:root {
    --bg-overlay: rgba(0, 0, 0, 0.55);
    --glass-bg: rgba(20, 22, 35, 0.72);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.12);
    --accent: #6c5ce7;
    --accent-light: #a29bfe;
    --accent-glow: rgba(108, 92, 231, 0.4);
    --success: #00d2d3;
    --danger: #ff6b6b;
    --warning: #feca57;
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #606078;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-glass: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif;
    background: #0a0a0f;
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ====== 视频背景 ====== */
#bgVideo {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: -2;
    object-fit: cover;
    object-position: center center;
}
#bgOverlay {
    position: fixed; inset: 0;
    background: linear-gradient(135deg, rgba(10,10,20,0.75) 0%, rgba(20,15,35,0.65) 50%, rgba(10,10,20,0.75) 100%);
    z-index: -1;
}

/* ====== 声音控制按钮 ====== */
#muteBtn {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 9999;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all .3s;
    box-shadow: var(--shadow-glass);
}
#muteBtn:hover {
    background: var(--glass-hover);
    color: var(--text-primary); transform: scale(1.08);
}

/* ====== 导航栏 ====== */
.navbar {
    position: sticky; top: 0; z-index: 100;
    padding: 0 32px; height: 64px;
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(10, 10, 20, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}
.navbar-brand {
    font-size: 22px; font-weight: 800;
    text-decoration: none; color: var(--text-primary);
    display: flex; align-items: center; gap: 10px;
    letter-spacing: 3px; text-transform: uppercase;
}
.navbar-brand .angel-icon {
    width: 36px; height: 36px;
    background-image: url('../assets/logo.png');
    background-size: cover;
    background-position: center;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 900;
    color: transparent;
    overflow: hidden;
    box-shadow: 0 0 20px var(--accent-glow);
}
.navbar-links { display: flex; gap: 28px; align-items: center; }
.navbar-links a {
    color: var(--text-secondary); text-decoration: none;
    font-size: 13.5px; font-weight: 500;
    letter-spacing: 0.5px; transition: all .25s;
    padding: 6px 0; position: relative;
}
.navbar-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0;
    height: 2px; background: var(--accent);
    transform: scaleX(0); transition: transform .25s;
}
.navbar-links a:hover { color: var(--text-primary); }
.navbar-links a:hover::after { transform: scaleX(1); }
.navbar-links a.active { color: var(--accent-light); }
.navbar-links a.active::after { transform: scaleX(1); }

/* TG链接高亮 */
.tg-link {
    color: var(--accent-light) !important;
    font-weight: 600 !important;
}
.tg-link:hover { color: #fff !important; text-shadow: 0 0 12px var(--accent-glow); }

/* 管理标签 */
.admin-badge {
    font-size: 10px; background: var(--danger);
    color: #fff; padding: 2px 8px; border-radius: 10px;
    margin-left: 8px; font-weight: 600; letter-spacing: 0.5px;
}

/* ====== 容器 ====== */
.container { max-width: 920px; margin: 0 auto; padding: 48px 24px; }

/* ====== 毛玻璃卡片 ====== */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-glass);
    transition: border-color .3s, transform .3s;
}
.card:hover { border-color: rgba(255,255,255,0.14); }
.card-title {
    font-size: 15px; font-weight: 600;
    color: var(--text-primary); margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--glass-border);
    display: flex; align-items: center; gap: 8px;
}

/* ====== 表单 ====== */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block; font-size: 13px; font-weight: 600;
    color: var(--text-secondary); margin-bottom: 7px;
    letter-spacing: 0.3px;
}
.form-group label .hint {
    color: var(--text-muted); font-weight: 400; margin-left: 4px;
}
.form-input {
    width: 100%; padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px; outline: none; transition: all .25s;
    font-family: inherit;
}
.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(255,255,255,0.07);
}
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input { resize: vertical; min-height: 80px; }
select.form-input { cursor: pointer; }

/* ====== 按钮 ====== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 26px; border: none; border-radius: var(--radius-sm);
    font-size: 13.5px; font-weight: 600; cursor: pointer;
    transition: all .25s; text-decoration: none;
    letter-spacing: 0.3px; font-family: inherit;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), #845ef7);
    color: #fff; box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--accent-glow);
}
.btn-success {
    background: linear-gradient(135deg, #00b894, #00cec9);
    color: #fff; box-shadow: 0 4px 16px rgba(0,206,201,0.3);
}
.btn-success:hover { transform: translateY(-2px); opacity: .95; }
.btn-danger {
    background: linear-gradient(135deg, #e17055, #d63031);
    color: #fff; box-shadow: 0 4px 16px rgba(214,48,49,0.3);
}
.btn-danger:hover { transform: translateY(-2px); opacity: .95; }
.btn-outline {
    background: transparent; color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}
.btn-outline:hover {
    border-color: var(--accent); color: var(--accent-light);
    background: rgba(108,92,231,0.08);
}
.btn-sm { padding: 8px 18px; font-size: 12.5px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ====== 状态标签 ====== */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 14px; border-radius: 20px; font-size: 11.5px;
    font-weight: 600; letter-spacing: 0.3px;
}
.badge-pending { background: rgba(254,202,87,.15); color: var(--warning); }
.badge-approved { background: rgba(0,210,211,.15); color: var(--success); }
.badge-rejected { background: rgba(255,107,107,.15); color: var(--danger); }

/* ====== 令牌显示框 ====== */
.token-box {
    background: rgba(0,210,211,.06); border: 1px solid rgba(0,210,211,.2);
    border-radius: var(--radius-sm); padding: 16px;
    word-break: break-all;
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 12.5px; color: var(--success); line-height: 1.9;
    letter-spacing: 0.3px;
}

/* ====== 截图预览 ====== */
.screenshot-preview {
    max-width: 280px; max-height: 180px;
    border-radius: var(--radius-sm); border: 1px solid var(--glass-border);
    cursor: pointer; transition: transform .25s, border-color .25s;
}
.screenshot-preview:hover { transform: scale(1.03); border-color: var(--accent); }

/* ====== 申请列表项 ====== */
.request-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 20px; margin-bottom: 12px;
    transition: all .25s;
}
.request-item:hover {
    border-color: rgba(108,92,231,0.3);
    background: rgba(255,255,255,0.04);
}
.request-meta {
    display: flex; justify-content: space-between;
    align-items: center; margin-bottom: 12px;
}
.request-time { font-size: 11.5px; color: var(--text-muted); }
.request-actions { display: flex; gap: 10px; margin-top: 14px; }

/* ====== 页面标题区 ====== */
.page-header {
    text-align: center; padding: 56px 20px 40px;
}
.page-header h1 {
    font-size: 34px; font-weight: 800; margin-bottom: 10px;
    letter-spacing: 2px; background: linear-gradient(135deg, #fff, var(--accent-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-header p { color: var(--text-secondary); font-size: 15px; font-weight: 300; }

/* ====== Tab切换 ====== */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--glass-border); margin-bottom: 24px; }
.tab-btn {
    padding: 13px 26px; background: transparent; border: none;
    color: var(--text-muted); font-size: 13.5px; font-weight: 500;
    cursor: pointer; border-bottom: 2px solid transparent;
    transition: all .25s; letter-spacing: 0.3px;
}
.tab-btn.active { color: var(--accent-light); border-bottom-color: var(--accent); }
.tab-btn:hover:not(.active) { color: var(--text-secondary); }
.tab-panel { display: none; animation: fadeIn .3s ease; }
.tab-panel.active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ====== Toast通知 ====== */
.toast-container {
    position: fixed; top: 80px; right: 24px; z-index: 9999;
    display: flex; flex-direction: column; gap: 8px;
}
.toast {
    padding: 13px 22px; border-radius: var(--radius-sm);
    font-size: 13px; font-weight: 500;
    animation: slideInRight .35s cubic-bezier(.16,1,.3,1);
    max-width: 380px; backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.toast-success { background: rgba(0,210,211,.12); color: var(--success); border: 1px solid rgba(0,210,211,.25); }
.toast-error { background: rgba(255,107,107,.12); color: var(--danger); border: 1px solid rgba(255,107,107,.25); }
.toast-info { background: rgba(108,92,231,.12); color: var(--accent-light); border: 1px solid rgba(108,92,231,.25); }

@keyframes slideInRight { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ====== Modal弹窗 ====== */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.7); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000; opacity: 0; visibility: hidden; transition: all .25s;
}
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px; max-width: 480px; width: 90%;
    transform: scale(.92) translateY(20px); transition: all .3s;
    box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}
.modal-overlay.show .modal { transform: scale(1) translateY(0); }
.modal-title { font-size: 17px; font-weight: 700; margin-bottom: 18px; }

/* ====== 空状态 ====== */
.empty-state { text-align: center; padding: 52px 20px; color: var(--text-muted); }
.empty-state .icon { font-size: 48px; margin-bottom: 14px; }

/* ====== 统计卡片 ====== */
.stat-card {
    text-align: center; padding: 22px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: transform .25s;
}
.stat-card:hover { transform: translateY(-3px); }
.stat-num { font-size: 30px; font-weight: 800; }
.stat-label { font-size: 11.5px; color: var(--text-muted); margin-top: 4px; letter-spacing: 0.5px; text-transform: uppercase; }

/* ====== 功能卡片网格 ====== */
.feature-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}
.feature-card {
    padding: 22px; background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all .3s;
}
.feature-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(108,92,231,0.15);
}
.feature-icon { font-size: 28px; margin-bottom: 10px; }
.feature-name { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.feature-desc { font-size: 12px; color: var(--text-muted); }

/* ====== 流程步骤 ====== */
.step-item {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 16px; background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md); margin-bottom: 10px;
    transition: all .25s;
}
.step-item:hover { background: rgba(255,255,255,0.05); border-color: rgba(108,92,231,0.3); }
.step-num {
    width: 30px; height: 30px; min-width: 30px;
    background: linear-gradient(135deg, var(--accent), #845ef7);
    color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700;
    box-shadow: 0 4px 12px var(--accent-glow);
}

/* ====== 上传区域 ====== */
.upload-zone {
    border: 2px dashed var(--glass-border); border-radius: var(--radius-md);
    padding: 28px; text-align: center; cursor: pointer;
    transition: all .25s; background: rgba(255,255,255,0.02);
}
.upload-zone:hover {
    border-color: var(--accent); background: rgba(108,92,231,0.05);
}

/* ====== 图片放大查看 ====== */
.img-lightbox {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.88); backdrop-filter: blur(12px);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000; cursor: pointer; opacity: 0; visibility: hidden; transition: .25s;
}
.img-lightbox.show { opacity: 1; visibility: visible; }
.img-lightbox img { max-width: 90%; max-height: 90%; border-radius: var(--radius-md); box-shadow: 0 16px 48px rgba(0,0,0,0.5); }

/* ====== 隐藏文件input ====== */
.file-input-hidden { display: none; }

/* ====== 加载动画 ====== */
.loading { text-align: center; padding: 40px; color: var(--text-muted); }
.spinner {
    width: 32px; height: 32px; border: 3px solid var(--glass-border);
    border-top-color: var(--accent); border-radius: 50%;
    animation: spin .75s linear infinite; margin: 0 auto 14px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ====== TG横幅提示 ====== */
.tg-banner {
    text-align: center; padding: 14px 20px; margin-bottom: 24px;
    background: linear-gradient(135deg, rgba(108,92,231,.15), rgba(108,92,231,.05));
    border: 1px solid rgba(108,92,231,.2);
    border-radius: var(--radius-md);
    font-size: 13.5px; color: var(--accent-light);
    font-weight: 500; letter-spacing: 0.3px;
}
.tg-banner a {
    color: var(--accent-light); text-decoration: none;
    font-weight: 700; margin-left: 4px;
    transition: text-shadow .2s;
}
.tg-banner a:hover { text-shadow: 0 0 12px var(--accent-glow); }

/* ====== 页脚 ====== */
.footer {
    text-align: center; padding: 36px 20px;
    color: var(--text-muted); font-size: 12.5px;
    border-top: 1px solid var(--glass-border);
    margin-top: 20px;
    background: rgba(10,10,20,0.3);
}
.footer a { color: var(--accent-light); text-decoration: none; }

/* ====== 详情折叠 ====== */
details { padding: 14px; background: rgba(255,255,255,0.02); border-radius: var(--radius-sm); cursor: pointer; border: 1px solid var(--glass-border); margin-bottom: 8px; transition: background .2s; }
details:hover { background: rgba(255,255,255,0.04); }
summary { font-weight: 600; font-size: 13.5px; list-style: none; outline: none; }
summary::-webkit-details-marker { display: none; }
summary::before { content: '▸ '; color: var(--accent); margin-right: 6px; transition: transform .2s; }
details[open] summary::before { transform: rotate(90deg); }
details[open] summary { margin-bottom: 8px; }
details p { color: var(--text-secondary); font-size: 13px; padding-left: 18px; }

/* ====== 响应式 ====== */
@media (max-width: 640px) {
    .navbar { padding: 0 16px; }
    .navbar-brand { font-size: 18px; }
    .navbar-links { gap: 14px; }
    .container { padding: 24px 16px; }
    .card { padding: 20px; }
    .page-header h1 { font-size: 26px; }
    .page-header { padding: 36px 16px 28px; }
    .request-meta { flex-direction: column; gap: 6px; align-items: flex-start; }
    .request-actions { flex-wrap: wrap; }
    .tab-btn { padding: 10px 16px; font-size: 12.5px; }
    .feature-grid { grid-template-columns: 1fr 1fr; }
}