:root {
    --bg: #09111f;
    --panel: rgba(15, 23, 42, 0.92);
    --panel-soft: rgba(30, 41, 59, 0.72);
    --line: rgba(148, 163, 184, 0.18);
    --text: #e2e8f0;
    --muted: #94a3b8;
    --primary: #38bdf8;
    --primary-strong: #0ea5e9;
    --success: #22c55e;
    --warning: #f97316;
    --danger: #ef4444;
    --shadow: 0 24px 60px rgba(2, 6, 23, 0.36);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 13px;
    background:
        radial-gradient(circle at top right, rgba(56, 189, 248, 0.18), transparent 28%),
        radial-gradient(circle at bottom left, rgba(249, 115, 22, 0.16), transparent 24%),
        linear-gradient(180deg, #020617 0%, #081120 100%);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

.page-shell {
    min-height: 100vh;
}

.app-frame {
    width: min(1320px, calc(100% - 32px));
    margin: 0 auto;
    padding: 18px 0 28px;
}

.header-card,
.panel,
.login-card,
.player-card,
.expired-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 24px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.header-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 18px 22px;
    margin-bottom: 14px;
}

.header-card h1,
.panel h2,
.player-title,
.expired-title {
    margin: 0;
}

.header-actions,
.button-row,
.meta-row,
.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.hero-text {
    max-width: 760px;
}

.hero-kicker,
.muted-text,
.badge-soft {
    color: var(--muted);
}

.hero-kicker {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 12px;
    margin-bottom: 10px;
}

.hero-title {
    font-size: 22px;
    line-height: 1.25;
    margin: 0;
}

.hero-desc {
    margin: 0;
    color: #cbd5e1;
    line-height: 1.7;
}

.layout-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 14px;
}

.panel {
    padding: 16px;
}

.panel + .panel {
    margin-top: 14px;
}

.form-grid {
    display: grid;
    gap: 12px;
}

.form-grid.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
    display: grid;
    gap: 6px;
}

.field label {
    font-size: 13px;
    color: #cbd5e1;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: rgba(15, 23, 42, 0.86);
    color: var(--text);
    border-radius: 12px;
    padding: 10px 12px;
    outline: none;
    font-size: 12px;
}

.field textarea {
    min-height: 110px;
    resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    border-color: rgba(56, 189, 248, 0.8);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.12);
}

.upload-status {
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(15, 23, 42, 0.72);
    color: #cbd5e1;
    min-height: 42px;
    display: flex;
    align-items: center;
    font-size: 12px;
}

.progress-wrap {
    width: 100%;
    height: 8px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.progress-bar {
    width: 0;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #38bdf8 0%, #22c55e 100%);
    transition: width 0.2s ease;
}

.button,
button {
    border: 0;
    border-radius: 12px;
    padding: 10px 14px;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.button:hover,
button:hover {
    transform: translateY(-1px);
}

.button-primary,
button[type="submit"] {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
    color: #04111c;
    box-shadow: 0 14px 34px rgba(14, 165, 233, 0.22);
}

.button-secondary {
    background: rgba(15, 23, 42, 0.8);
    color: var(--text);
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.button-warning {
    background: rgba(249, 115, 22, 0.12);
    color: #fdba74;
    border: 1px solid rgba(249, 115, 22, 0.3);
}

.flash {
    padding: 10px 12px;
    border-radius: 12px;
    margin-bottom: 14px;
    border: 1px solid transparent;
    font-size: 12px;
}

.flash-success {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.22);
    color: #bbf7d0;
}

.flash-error {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.24);
    color: #fecaca;
}

.login-shell {
    min-height: calc(100vh - 80px);
    display: grid;
    place-items: center;
}

.login-card {
    width: min(520px, 100%);
    padding: 22px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.stat-card {
    padding: 14px;
    border-radius: 16px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
}

.stat-label {
    color: var(--muted);
    font-size: 11px;
    margin-bottom: 6px;
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
}

.table-wrap {
    overflow-x: auto;
}

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

th,
td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    font-size: 12px;
}

th {
    color: #cbd5e1;
    font-weight: 600;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
}

.status-active {
    background: rgba(34, 197, 94, 0.15);
    color: #bbf7d0;
}

.status-expired {
    background: rgba(249, 115, 22, 0.14);
    color: #fdba74;
}

.status-disabled {
    background: rgba(239, 68, 68, 0.14);
    color: #fecaca;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 14px;
}

.detail-metadata {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.meta-card {
    padding: 12px;
    border-radius: 14px;
    background: var(--panel-soft);
    border: 1px solid var(--line);
}

.meta-card strong {
    display: block;
    margin-bottom: 4px;
}

.qr-preview {
    display: grid;
    place-items: center;
    min-height: 220px;
    border-radius: 16px;
    background: rgba(2, 6, 23, 0.48);
    border: 1px dashed rgba(148, 163, 184, 0.24);
    overflow: hidden;
}

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

.code-list {
    display: grid;
    gap: 10px;
}

.code-card {
    padding: 12px;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.84);
    border: 1px solid rgba(148, 163, 184, 0.14);
}

.player-shell,
.expired-shell {
    min-height: calc(100vh - 80px);
    display: grid;
    place-items: center;
}

.player-card,
.expired-card {
    width: min(980px, 100%);
    padding: 22px;
}

.player-card video {
    width: 100%;
    max-height: 520px;
    border-radius: 20px;
    background: #000;
}

.player-title,
.expired-title {
    font-size: 24px;
    margin-bottom: 8px;
}

.meta-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 12px 0 16px;
}

.pill {
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.84);
    border: 1px solid rgba(148, 163, 184, 0.18);
    color: #cbd5e1;
    font-size: 11px;
}

.info-list {
    display: grid;
    gap: 8px;
    margin-top: 12px;
}

.info-item {
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(148, 163, 184, 0.14);
}

.empty-state {
    padding: 20px;
    text-align: center;
    border-radius: 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px dashed rgba(148, 163, 184, 0.2);
    color: var(--muted);
}

.small-text {
    font-size: 12px;
}

@media (max-width: 980px) {
    .layout-grid,
    .detail-grid,
    .stats-grid,
    .form-grid.two-col,
    .detail-metadata {
        grid-template-columns: 1fr;
    }

    .header-card {
        align-items: flex-start;
        flex-direction: column;
    }

    .app-frame {
        width: min(100% - 20px, 1320px);
        padding-top: 14px;
    }
}