/* ============================= 基础 ============================= */

:root {
    --bg: #0f1115;
    --bg-2: #171a21;
    --bg-3: #1f232c;
    --card: #1b1f27;
    --border: #2a2f3a;
    --text: #e8eaee;
    --text-2: #9aa3b2;
    --text-3: #6b7383;
    --primary: #4f8cff;
    --primary-2: #3a6fd8;
    --danger: #e05656;
    --ok: #34a853;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, .35);
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f5f6f8;
        --bg-2: #ffffff;
        --bg-3: #eef0f3;
        --card: #ffffff;
        --border: #e2e5ea;
        --text: #1c1f26;
        --text-2: #5b6472;
        --text-3: #8a93a3;
        --shadow: 0 2px 12px rgba(20, 30, 60, .08);
    }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    min-height: 100vh;
}

img { max-width: 100%; display: block; }

a { color: var(--text); text-decoration: none; }

code {
    background: var(--bg-3);
    padding: 1px 5px;
    border-radius: 5px;
    font-size: 13px;
    color: var(--text-2);
}

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 20px 16px 64px;
}

.muted { color: var(--text-2); font-size: 14px; }
.center { text-align: center; }

/* ============================= 顶栏 ============================= */

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding-top: env(safe-area-inset-top);
}

.topbar-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 17px;
    white-space: nowrap;
}

.brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
}

.search-box {
    flex: 1;
    display: flex;
    max-width: 420px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
}

.search-box input {
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--text);
    padding: 8px 14px;
    font-size: 14px;
    outline: none;
    min-width: 0;
}

.search-box button {
    border: 0;
    background: transparent;
    color: var(--text-2);
    padding: 0 14px;
    cursor: pointer;
    font-size: 15px;
}

.topbar-nav {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.topbar-nav a {
    padding: 6px 10px;
    border-radius: 8px;
    color: var(--text-2);
    font-size: 14px;
    white-space: nowrap;
}

.topbar-nav a:hover { background: var(--bg-3); color: var(--text); }

.source-tabs {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 16px 8px;
    display: flex;
    gap: 8px;
    overflow-x: auto;
}

.source-tab {
    flex-shrink: 0;
    padding: 5px 14px;
    border-radius: 999px;
    background: var(--bg-3);
    color: var(--text-2);
    font-size: 13px;
    border: 1px solid var(--border);
}

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

/* ============================= 按钮 / 标签 ============================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid transparent;
    border-radius: 9px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: var(--bg-3);
    color: var(--text);
    transition: opacity .15s, transform .1s;
}

.btn:active { transform: scale(.97); }
.btn:hover { opacity: .88; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-2);
}
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-xs { padding: 4px 9px; font-size: 12px; }

.chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 13px;
    border-radius: 999px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    color: var(--text-2);
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}

.chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.chip-plain { cursor: default; }
.chip-score { background: rgba(255, 176, 32, .15); color: #ffb020; border-color: transparent; }

.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.badge-ok { background: rgba(52, 168, 83, .15); color: var(--ok); }
.badge-off { background: var(--bg-3); color: var(--text-3); }

.alert {
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error { border-left-color: var(--danger); }

/* ============================= 空状态 ============================= */

.empty {
    text-align: center;
    padding: 64px 20px;
    color: var(--text-2);
}

.empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty h2 { margin: 0 0 8px; color: var(--text); font-size: 20px; }
.empty p { margin: 0 0 20px; }
.empty .btn { margin: 0 6px; }

/* ============================= 首页：源与分类 ============================= */

.source-block {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.source-title {
    margin: 0 0 4px;
    font-size: 18px;
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}

.source-count { font-size: 13px; color: var(--text-3); font-weight: 400; }
.source-note { margin: 0 0 12px; color: var(--text-2); font-size: 14px; }
.source-actions { margin-top: 14px; text-align: right; }

.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 10px;
}

.type-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 14px 8px;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: all .15s;
}

.type-chip:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.type-name { font-weight: 600; font-size: 14px; }
.type-sub { font-size: 11px; color: var(--text-3); }

/* ============================= 列表页 ============================= */

.list-head { margin-bottom: 20px; }

.list-title {
    margin: 0 0 12px;
    font-size: 22px;
    display: flex;
    align-items: baseline;
    gap: 10px;
    flex-wrap: wrap;
}

.list-meta { font-size: 13px; color: var(--text-3); font-weight: 400; }

.type-filter,
.search-meta { margin-bottom: 16px; }

.type-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.list-stats {
    text-align: center;
    color: var(--text-3);
    font-size: 13px;
    margin: 20px 0 12px;
}

.vod-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.vod-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .15s, box-shadow .15s;
}

.vod-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.cover {
    position: relative;
    aspect-ratio: 2 / 3;
    background: var(--bg-3);
    overflow: hidden;
}

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

.badge-time,
.badge-score {
    position: absolute;
    bottom: 6px;
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 6px;
    background: rgba(0, 0, 0, .72);
    color: #fff;
}

.badge-time { left: 6px; }
.badge-score { right: 6px; color: #ffb020; }

.vod-info { padding: 10px 12px 14px; }
.vod-info h3 {
    margin: 0 0 4px;
    font-size: 14px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.vod-sub {
    margin: 0;
    font-size: 12px;
    color: var(--text-3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================= 分页 ============================= */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 28px;
}

.pg {
    min-width: 38px;
    text-align: center;
    padding: 8px 12px;
    border-radius: 9px;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text-2);
    font-size: 14px;
}

.pg:hover { border-color: var(--primary); color: var(--text); }
.pg.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pg-ellipsis { color: var(--text-3); padding: 0 4px; }

/* ============================= 播放页 ============================= */

.play-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 20px;
    align-items: start;
}

.player-wrap {
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.player {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    display: block;
}

.player-empty {
    color: #fff;
    text-align: center;
    padding: 60px 20px;
    font-size: 15px;
}

.player-sources {
    display: flex;
    gap: 8px;
    padding: 10px;
    overflow-x: auto;
    background: #000;
}

.detail-card,
.play-side {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.detail-name { margin: 0 0 12px; font-size: 22px; }

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}

.detail-desc strong { display: block; margin-bottom: 6px; }
.detail-desc p {
    margin: 0;
    color: var(--text-2);
    font-size: 14px;
    line-height: 1.8;
}

.detail-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.side-title { margin: 0 0 12px; font-size: 16px; }

.info-list {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 14px;
    font-size: 14px;
}

.info-list dt { color: var(--text-3); }
.info-list dd { margin: 0; text-align: right; word-break: break-all; }

/* ============================= 登录页 ============================= */

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: var(--bg);
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow);
}

.login-card h1 {
    margin: 0 0 4px;
    font-size: 22px;
    text-align: center;
}

.login-sub {
    margin: 0 0 20px;
    text-align: center;
    color: var(--text-2);
    font-size: 14px;
}

.login-hint {
    margin: 16px 0 0;
    text-align: center;
    color: var(--text-3);
    font-size: 12px;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
}

.field > span { font-size: 13px; color: var(--text-2); font-weight: 600; }

.field input[type="text"],
.field input[type="url"],
.field input[type="password"],
.field input[type="number"] {
    border: 1px solid var(--border);
    background: var(--bg-3);
    color: var(--text);
    border-radius: 9px;
    padding: 10px 12px;
    font-size: 14px;
    outline: none;
    width: 100%;
}

.field input:focus { border-color: var(--primary); }

.field-check {
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.field-check input { width: 16px; height: 16px; accent-color: var(--primary); }

/* ============================= 后台 ============================= */

.admin .alert { margin-top: 0; }

.admin-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.admin-title { margin: 0 0 8px; font-size: 18px; }
.admin-subtitle { margin: 24px 0 12px; font-size: 15px; }

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: 14px;
}

.admin-table th,
.admin-table td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.admin-table th { color: var(--text-3); font-weight: 600; font-size: 13px; }

.url-cell {
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-2);
    font-size: 13px;
}

.row-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.admin-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    align-items: end;
}

.admin-form .field-wide,
.admin-form .field-check { grid-column: 1 / -1; }

/* ============================= 页脚 ============================= */

.footer {
    border-top: 1px solid var(--border);
    padding: 24px 16px;
    text-align: center;
    color: var(--text-3);
    font-size: 13px;
}

.footer p { margin: 4px 0; }

/* ============================= 响应式 ============================= */

@media (max-width: 860px) {
    .play-layout { grid-template-columns: 1fr; }
    .admin-form { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .topbar-inner { flex-wrap: wrap; gap: 10px; }
    .search-box { order: 3; max-width: none; flex-basis: 100%; }
    .topbar-nav { margin-left: auto; }

    .container { padding: 14px 12px 56px; }

    .vod-grid {
        grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
        gap: 10px;
    }

    .type-grid { grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); }

    .list-title { font-size: 18px; }
    .detail-name { font-size: 18px; }

    .admin-table { font-size: 13px; }
    .admin-table th:nth-child(3),
    .admin-table td:nth-child(3) { display: none; } /* 接口地址列太宽，移动端隐藏 */

    .login-card { padding: 24px; }
}