/* ============================================
   Nyce Music - Layout Styles
   ============================================ */

/* ── App Layout (with sidebar + player) ── */
.app-layout {
    /* No space reserved for the player bar until a track actually loads
       (.has-player, toggled by player.js) — otherwise every page would
       carry a permanent empty 90px gap at the bottom. */
    --player-height: 0px;
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: 1fr var(--player-height);
    min-height: 100vh;
}

.app-layout.has-player {
    --player-height: 90px;
}

.app-layout .main-content {
    grid-column: 2;
    grid-row: 1;
    overflow-y: auto;
    overscroll-behavior: contain;
    height: calc(100vh - var(--player-height));
    height: calc(100dvh - var(--player-height));
    padding: var(--space-6) var(--space-8);
    position: relative;
}

.app-layout .player-bar {
    grid-column: 1 / -1;
    grid-row: 2;
}

/* ── Sidebar ── */
.sidebar {
    grid-column: 1;
    grid-row: 1;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-default);
    display: flex;
    flex-direction: column;
    height: calc(100vh - var(--player-height));
    height: calc(100dvh - var(--player-height));
    overflow-y: auto;
    overscroll-behavior: contain;
    z-index: var(--z-sidebar);
    transition: width var(--transition-base);
}

.sidebar-header {
    padding: var(--space-5) var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-bottom: 1px solid var(--border-default);
    flex-shrink: 0;
}

.sidebar-logo {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--text-primary);
}

.sidebar-logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) var(--space-3);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--space-6);
}

.nav-section-title {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--text-muted);
    padding: 0 var(--space-3) var(--space-2);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    cursor: pointer;
    text-decoration: none;
}

.nav-item:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(255, 78, 17, 0.12);
    color: var(--primary-400);
}

.nav-item .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active .nav-icon {
    opacity: 1;
}

.nav-item .nav-badge {
    margin-left: auto;
    font-size: 10px;
    padding: 2px 8px;
    background: var(--primary-600);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 700;
}

.sidebar-footer {
    padding: var(--space-4) var(--space-4);
    border-top: 1px solid var(--border-default);
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    transition: background var(--transition-fast);
    cursor: pointer;
}

.sidebar-user:hover {
    background: var(--bg-surface-hover);
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-transform: capitalize;
}

/* ── Top Header Bar ── */
.top-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    margin-bottom: var(--space-6);
    gap: var(--space-4);
}

.top-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.top-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
}

.page-title {
    font-size: var(--text-2xl);
    font-weight: 700;
}

/* ── Notification Bell ── */
.notification-bell {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-default);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.notification-bell:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

.notification-bell .notif-count {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: var(--error-500);
    color: white;
    font-size: 10px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Content Grid Layouts ── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-5); }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-5); }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

/* ── Section Headers ── */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-5);
}

.section-title {
    font-size: var(--text-xl);
    font-weight: 700;
}

.section-link {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.section-link:hover {
    color: var(--primary-400);
}

/* ── Horizontal Scroll Row ── */
.scroll-row {
    display: flex;
    gap: var(--space-5);
    overflow-x: auto;
    padding-bottom: var(--space-4);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.scroll-row::-webkit-scrollbar {
    height: 0;
}

.scroll-row > * {
    flex-shrink: 0;
    scroll-snap-align: start;
}

/* ── Auth Layout (centered) ── */
.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    position: relative;
}

/* ── Landing Layout (full-width) ── */
.landing-layout {
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Responsive ── */
@media (max-width: 1200px) {
    .grid-5 { grid-template-columns: repeat(4, 1fr); }
    .grid-6 { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .app-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100vh;
        height: 100dvh;
        width: var(--sidebar-width);
        z-index: var(--z-sidebar);
        transition: left var(--transition-base);
    }
    .sidebar.open {
        left: 0;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: var(--bg-overlay);
        z-index: calc(var(--z-sidebar) - 1);
    }
    .sidebar-overlay.active {
        display: block;
    }
    .app-layout .main-content {
        grid-column: 1;
        padding: var(--space-4);
    }
    .menu-toggle {
        display: flex;
    }
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-5 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
    h3 { font-size: var(--text-xl); }
    .page-title { font-size: var(--text-xl); }
    .section-title { font-size: var(--text-lg); }
    .top-header { flex-wrap: wrap; }
    .app-layout .main-content { padding: var(--space-3) var(--space-2); }
}