/* ==========================================================
   YANDEX SYNC ARCHIVE • OPERATOR DASHBOARD STYLES
   Aesthetic: Studio Control Room / High-End Editorial Music Management
   Authentic dark matte surfaces, hairline borders, zero AI clichés.
========================================================== */

:root {
    --bg-canvas: #09090c;
    --bg-sidebar: #0f0f14;
    --bg-surface: #131319;
    --bg-card: #171720;
    --bg-elevated: #1e1e28;
    --bg-input: #0b0b0e;

    --border-subtle: rgba(255, 255, 255, 0.07);
    --border-medium: rgba(255, 255, 255, 0.12);
    --border-focus: rgba(255, 255, 255, 0.25);
    --border-gold: rgba(245, 158, 11, 0.35);

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-faint: #64748b;

    --gold: #f59e0b;
    --gold-bright: #fbbf24;
    --gold-bg: rgba(245, 158, 11, 0.08);

    --mint: #10b981;
    --mint-bg: rgba(16, 185, 129, 0.1);

    --crimson: #ef4444;
    --crimson-bg: rgba(239, 68, 68, 0.1);

    --purple: #8b5cf6;
    --purple-bg: rgba(139, 92, 246, 0.1);

    --blue: #38bdf8;
    --blue-bg: rgba(56, 189, 248, 0.1);

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, monospace;
}

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

body {
    background-color: var(--bg-canvas);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 13.5px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* App Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 290px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    padding: 24px 20px;
    flex-shrink: 0;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 22px;
}

.brand-avatar {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: cover;
    border: 1px solid var(--border-gold);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
}

.brand-meta {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: #ffffff;
}

.brand-subtitle {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    color: var(--gold-bright);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* Navigation */
.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.15s ease;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.04);
    color: #ffffff;
}

.nav-item.active {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    color: #ffffff;
    font-weight: 600;
}

.badge-count {
    margin-left: auto;
    background: #ffffff;
    color: #09090c;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
}

/* Sidebar Footer / Tunnel Widget */
.sidebar-footer {
    padding-top: 18px;
    border-top: 1px solid var(--border-subtle);
}

.server-live-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11.5px;
    color: var(--text-faint);
    margin-bottom: 12px;
}

.pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 8px var(--mint);
}

.tunnel-widget {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 11.5px;
}

.tunnel-widget-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.tunnel-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--mint);
    text-transform: uppercase;
}

.btn-tunnel-copy {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    padding: 0;
    transition: color 0.15s ease;
}

.btn-tunnel-copy:hover {
    color: #ffffff;
}

.tunnel-url-link {
    display: block;
    color: var(--blue);
    font-family: var(--font-mono);
    font-size: 11px;
    text-decoration: none;
    word-break: break-all;
    line-height: 1.4;
}

.tunnel-url-link:hover {
    text-decoration: underline;
}

/* Main Content Area */
.main-content {
    flex: 1;
    padding: 36px 40px;
    max-width: 1360px;
    overflow-y: auto;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: contentFade 0.2s ease;
}

@keyframes contentFade {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    margin-bottom: 24px;
}

.section-header h1 {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 6px;
}

.section-desc {
    color: var(--text-muted);
    font-size: 13.5px;
    max-width: 780px;
    line-height: 1.5;
}

/* Cards & Containers */
.glass-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 24px;
    margin-bottom: 20px;
}

/* Input Card */
.input-card {
    border-color: var(--border-medium);
}

.input-group {
    display: flex;
    gap: 12px;
}

.input-group input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-medium);
    border-radius: 10px;
    padding: 13px 18px;
    color: #ffffff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
}

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

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

/* Quick Examples Bar */
.quick-examples {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.quick-label {
    font-size: 12px;
    color: var(--text-faint);
    font-weight: 500;
}

.pill-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.pill-chip img {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    object-fit: cover;
}

.pill-chip:hover {
    background: var(--bg-elevated);
    border-color: var(--border-medium);
    color: #ffffff;
}

/* Buttons */
.btn {
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s ease;
    text-decoration: none;
}

.btn-primary {
    background: #ffffff;
    color: #09090c;
}

.btn-primary:hover {
    background: #f1f5f9;
}

.btn-gold {
    background: var(--gold);
    color: #09090c;
    font-weight: 700;
}

.btn-gold:hover {
    background: var(--gold-bright);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: var(--border-medium);
    color: #ffffff;
}

.btn-danger {
    background: var(--crimson-bg);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
    color: #ffffff;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
}

.btn-block {
    width: 100%;
}

/* Stats Summary Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 18px 20px;
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-medium);
}

.stat-title {
    display: block;
    font-size: 12px;
    color: var(--text-faint);
    margin-bottom: 6px;
    font-weight: 500;
}

.stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-sub {
    display: block;
    font-size: 11px;
    color: var(--text-faint);
}

.stat-warning .stat-value { color: var(--gold); }
.stat-danger .stat-value { color: var(--crimson); }
.stat-purple .stat-value { color: var(--purple); }

/* Filter Bar & Toolbar */
.filter-toolbar {
    margin-bottom: 16px;
    padding: 12px 18px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.filter-btn:hover {
    color: #ffffff;
    border-color: var(--border-medium);
}

.filter-btn.active {
    background: #ffffff;
    color: #09090c;
    border-color: #ffffff;
}

/* Action Bar */
.action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    margin-bottom: 16px;
}

.action-bar h2 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
}

.action-subtitle {
    font-size: 12px;
    color: var(--text-faint);
}

/* Table */
.table-container {
    padding: 0;
    overflow: hidden;
}

.tracks-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.tracks-table th {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px 16px;
    text-align: left;
    color: var(--text-faint);
    font-weight: 600;
    font-size: 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.tracks-table td {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    vertical-align: middle;
}

.tracks-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.table-cover {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    background: #181820;
}

.table-track-title {
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 2px;
}

.table-track-artist {
    font-size: 11.5px;
    color: var(--text-muted);
}

/* Status Tags */
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.tag-success { background: var(--mint-bg); color: var(--mint); border: 1px solid rgba(16, 185, 129, 0.3); }
.tag-warning { background: var(--gold-bg); color: var(--gold); border: 1px solid rgba(245, 158, 11, 0.3); }
.tag-danger { background: var(--crimson-bg); color: var(--crimson); border: 1px solid rgba(239, 68, 68, 0.3); }
.tag-purple { background: var(--purple-bg); color: #c084fc; border: 1px solid rgba(139, 92, 246, 0.3); }
.tag-blue { background: var(--blue-bg); color: var(--blue); border: 1px solid rgba(56, 189, 248, 0.3); }

.badge-320 {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--gold-bg);
    color: var(--gold-bright);
    border: 1px solid var(--border-gold);
}

/* Artist Packs Grid (Tab 2) */
.packs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.pack-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.pack-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-medium);
}

.pack-cover-wrap {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: #000000;
}

.pack-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.pack-card:hover .pack-cover-img {
    transform: scale(1.03);
}

.pack-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-gold);
    color: var(--gold-bright);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.pack-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.pack-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.pack-desc {
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
    flex-grow: 1;
}

.pack-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 12px;
    color: var(--text-faint);
}

.pack-price {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
}

/* Orders List (Tab 3) */
.orders-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.order-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    transition: border-color 0.15s ease;
}

.order-item:hover {
    border-color: var(--border-medium);
}

.order-left {
    min-width: 240px;
}

.order-id {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--gold);
    margin-bottom: 2px;
}

.order-name {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 2px;
}

.order-meta-info {
    font-size: 12px;
    color: var(--text-faint);
}

.order-status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11.5px;
    font-weight: 600;
    margin-bottom: 4px;
}

.status-ready {
    background: var(--mint-bg);
    color: var(--mint);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-processing {
    background: var(--gold-bg);
    color: var(--gold);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.order-current-task {
    font-size: 11px;
    color: var(--text-faint);
    max-width: 280px;
}

.order-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(8px);
}

.modal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: 16px;
    width: 560px;
    padding: 28px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.9);
}

.modal-header {
    text-align: center;
    margin-bottom: 20px;
}

.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 4px;
}

.modal-header p {
    font-size: 12.5px;
    color: var(--text-muted);
}

.copy-input-group {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    margin-bottom: 14px;
}

.copy-input-group input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    padding: 10px 14px;
    color: #ffffff;
    font-family: var(--font-mono);
    font-size: 12.5px;
    outline: none;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
}

/* Toast Notification */
#toast-notification {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #ffffff;
    color: #09090c;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 2000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

#toast-notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsiveness */
@media (max-width: 900px) {
    .app-layout {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }

    .main-content {
        padding: 24px 16px;
    }

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