/* ==========================================
   ExitGGh — 深影视频 主题样式
   深红潮主题: 夜海黑底 + 涨潮红点缀
   ========================================== */

/* --- 变量 --- */
:root {
    --primary: #FF4136;
    --primary-dim: #cc332b;
    --primary-glow: rgba(255, 65, 54, 0.3);
    --accent: #0074D9;
    --accent-dim: #005bb5;
    --bg-deep: #0a0a1a;
    --bg-card: #111122;
    --bg-card-hover: #1a1a33;
    --bg-surface: #16162a;
    --bg-input: #0d0d20;
    --text-primary: #e8e8f0;
    --text-secondary: #8888aa;
    --text-dim: #555577;
    --border: #1e1e3a;
    --border-active: #FF4136;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --transition: 0.25s ease;
}

/* --- 重置 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }

/* --- 导航栏 --- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 26, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    border-radius: 8px;
    font-weight: bold;
}

.brand-text {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.brand-highlight { color: var(--primary); }

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
}

.nav-link:hover { color: var(--text-primary); background: var(--bg-card); }
.nav-link.active { color: var(--primary); background: rgba(255, 65, 54, 0.1); }

.nav-search { margin-left: auto; }

.search-input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 8px 16px;
    color: var(--text-primary);
    font-size: 14px;
    width: 220px;
    outline: none;
    transition: all var(--transition);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
    width: 280px;
}

.search-input::placeholder { color: var(--text-dim); }

/* --- 主内容 --- */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    width: 100%;
}

/* --- 分类标签栏 --- */
.category-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.cat-tag {
    padding: 6px 18px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
}

.cat-tag:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.cat-tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* --- 视频网格 --- */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.video-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
}

.video-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-glow);
    box-shadow: 0 8px 32px rgba(255, 65, 54, 0.15);
    background: var(--bg-card-hover);
}

.video-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-thumb-icon {
    position: absolute;
    width: 56px;
    height: 56px;
    background: rgba(255, 65, 54, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition);
    box-shadow: 0 4px 16px rgba(255, 65, 54, 0.4);
}

.video-card:hover .video-thumb-icon {
    opacity: 1;
    transform: scale(1);
}

.video-card-info {
    padding: 14px;
}

.video-card-title {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-dim);
}

.meta-dot { width: 3px; height: 3px; background: var(--text-dim); border-radius: 50%; }

/* --- 空状态 --- */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--text-dim);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p { font-size: 14px; }

/* --- 加载状态 --- */
.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--text-dim);
}

.loader {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: spin 0.8s linear infinite;
}

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

/* --- 弹窗 --- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.open { display: flex; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border);
    animation: slideUp 0.25s ease;
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,0.5);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}

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

.video-player-wrapper {
    position: relative;
    width: 100%;
    background: #000;
}

#videoPlayer {
    width: 100%;
    max-height: 70vh;
    display: block;
}

.video-detail {
    padding: 20px 24px;
}

.video-detail-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.video-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--text-dim);
}

.meta-category {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    background: rgba(255, 65, 54, 0.15);
    color: var(--primary);
    font-size: 12px;
}

.video-detail-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   上传页
   ======================================== */
.upload-page { display: flex; align-items: flex-start; justify-content: center; padding-top: 40px; }

.upload-container { width: 100%; max-width: 600px; }

.upload-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 32px;
}

.upload-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.upload-subtitle {
    font-size: 14px;
    color: var(--text-dim);
    margin-bottom: 28px;
}

/* 拖拽上传区 */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: 24px;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--primary);
    background: rgba(255, 65, 54, 0.05);
}

.drop-icon { font-size: 40px; margin-bottom: 12px; }
.drop-text { font-size: 16px; font-weight: 500; margin-bottom: 4px; }
.drop-hint { font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.drop-limit { font-size: 12px; color: var(--text-dim); }

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    text-align: left;
}

.file-icon { font-size: 24px; }
.file-details { flex: 1; min-width: 0; }
.file-name { font-size: 14px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-size { font-size: 12px; color: var(--text-dim); }
.file-remove {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition);
}
.file-remove:hover { color: var(--primary); }

/* 表单 */
.upload-form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: all var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 8px var(--primary-glow);
}

.form-textarea { resize: vertical; min-height: 80px; }

.form-select {
    appearance: none;
    cursor: pointer;
    padding-right: 32px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238888aa' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

/* 进度条 */
.progress-bar {
    height: 6px;
    background: var(--bg-surface);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
    margin-top: 4px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-text {
    position: absolute;
    right: 0;
    top: 10px;
    font-size: 12px;
    color: var(--text-dim);
}

/* 上传按钮 */
.btn-upload {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-upload:hover:not(:disabled) {
    background: var(--primary-dim);
    box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-upload:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-icon { font-size: 14px; }

/* 上传消息 */
.upload-message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    display: none;
}

.upload-message.success {
    display: block;
    background: rgba(0, 116, 217, 0.15);
    color: var(--accent);
    border: 1px solid rgba(0, 116, 217, 0.3);
}

.upload-message.error {
    display: block;
    background: rgba(255, 65, 54, 0.15);
    color: var(--primary);
    border: 1px solid rgba(255, 65, 54, 0.3);
}

/* --- 底部 --- */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-dim);
    font-size: 13px;
    border-top: 1px solid var(--border);
}

/* --- 响应式 --- */
@media (max-width: 768px) {
    .nav-container { gap: 16px; }
    .nav-search { display: none; }
    .video-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
    .modal-overlay { padding: 12px; }
    .upload-card { padding: 20px; }
    .brand-text { font-size: 18px; }
}

@media (max-width: 480px) {
    .main-content { padding: 16px; }
    .video-grid { grid-template-columns: 1fr; }
    .category-bar { gap: 6px; }
    .cat-tag { padding: 5px 14px; font-size: 12px; }
}