/* ==========================================================================
   THEME VARIABLES
   ========================================================================== */
:root {
    --primary: #059669;
    --primary-dark: #047857;
    --primary-light: #ecfdf5;
    --accent: #10b981;

    --bg-main: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --icon-emerald-bg: #ecfdf5;
    --icon-emerald-fg: #059669;
    --icon-amber-bg: #fffbeb;
    --icon-amber-fg: #d97706;
    --icon-blue-bg: #eff6ff;
    --icon-blue-fg: #2563eb;
    --icon-purple-bg: #faf5ff;
    --icon-purple-fg: #9333ea;

    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    -webkit-tap-highlight-color: transparent;
    overflow-x: hidden;
}

/* ==========================================================================
   SIDEBAR (Desktop Only — tidak ada di Bootstrap)
   ========================================================================== */
.sidebar {
    display: none;
}

@media (min-width: 1024px) {
    .sidebar {
        display: flex;
        flex-direction: column;
        width: 280px;
        height: 100vh;
        position: fixed;
        top: 0;
        left: 0;
        background: #ffffff;
        border-right: 1px solid var(--border-color);
        padding: 24px 20px;
        z-index: 90;
    }
}

.brand-logo {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 8px 16px rgba(5, 150, 105, 0.25);
}

.menu-category {
    font-size: 0.68rem;
    font-weight: 800;
    color: var(--text-muted);
    letter-spacing: 0.8px;
    margin: 16px 0 8px 12px;
    display: block;
}

.sidebar-menu-wrapper {
    flex: 1;
    overflow-y: auto;
    margin-right: -10px;
    padding-right: 10px;
}

.sidebar-menu-wrapper::-webkit-scrollbar {
    width: 4px;
}

.sidebar-menu-wrapper::-webkit-scrollbar-thumb {
    background: #e2e8f0;
    border-radius: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
}

.nav-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.nav-link:hover {
    background: var(--bg-main);
    color: var(--primary);
}

.nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
}

/* ==========================================================================
   MAIN WORKSPACE
   ========================================================================== */
.main-content {
    flex: 1;
    padding: 16px 16px 90px;
    width: 100%;
}

@media (min-width: 1024px) {
    .main-content {
        margin-left: 280px;
        padding: 32px 40px 40px;
    }
}

/* ==========================================================================
   HERO BANNER (Gradient Kustom)
   ========================================================================== */
.hero-banner {
    background: linear-gradient(135deg, #064e3b 0%, #059669 100%);
    border-radius: var(--radius-lg);
    padding: 24px;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 35px -10px rgba(5, 150, 105, 0.12);
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .hero-banner {
        padding: 32px 36px;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.hero-banner h2 {
    font-size: clamp(1.3rem, 4vw, 1.6rem);
}

.hero-decor {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.decor-circle {
    position: absolute;
    border-radius: 50%;
    width: 240px;
    height: 240px;
    top: -90px;
    right: -60px;
    background: rgba(255, 255, 255, 0.07);
}

.decor-circle.small {
    width: 130px;
    height: 130px;
    top: auto;
    bottom: -55px;
    right: 110px;
    background: rgba(255, 255, 255, 0.05);
}

.live-icon {
    color: var(--accent);
    font-size: 0.6rem;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    50% {
        opacity: 0.25;
    }
}

/* Progress bar translucent di dalam hero (glassmorphism) */
.course-progress-box {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 16px;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 10px;
}

/* ==========================================================================
   TOKEN INPUT (Glassmorphism di dalam Hero)
   ========================================================================== */
.token-input-box {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-top: 20px;
}

.mobile-token-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    display: block;
    opacity: 0.9;
}

.token-input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.token-field-group {
    display: flex;
    align-items: center;
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
}

.token-icon {
    color: var(--primary-dark);
    font-size: 1.1rem;
    margin-right: 12px;
}

.token-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    width: 100%;
}

.token-input::placeholder {
    color: var(--text-muted);
    text-transform: none;
    font-weight: 500;
    letter-spacing: normal;
    font-size: 0.9rem;
}

.btn-submit-token {
    background: var(--primary-dark);
    color: white;
    border: none;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-submit-token.ready {
    background: var(--primary);
    box-shadow: 0 8px 20px rgba(5, 150, 105, 0.4);
    transform: translateY(-1px);
}

.btn-submit-token:disabled {
    opacity: 0.8;
    cursor: wait;
}

@media (min-width: 640px) {
    .token-input-box {
        padding: 12px;
    }

    .mobile-token-label {
        display: none;
    }

    .token-input-wrapper {
        flex-direction: row;
        background: rgba(255, 255, 255, 0.95);
        border-radius: 50px;
        padding: 6px 6px 6px 20px;
        gap: 0;
    }

    .token-field-group {
        background: transparent;
        padding: 0;
        border-radius: 0;
    }

    .btn-submit-token {
        border-radius: 50px;
        padding: 10px 24px;
        background: var(--primary);
    }

    .btn-submit-token:hover {
        background: var(--primary-dark);
        transform: translateX(-2px);
    }
}

/* ==========================================================================
   DAFTAR KELAS — HORIZONTAL SCROLL + SCROLL SNAP
   ========================================================================== */
.horizontal-card-scroll {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
}

.horizontal-card-scroll::-webkit-scrollbar {
    height: 6px;
}

.horizontal-card-scroll::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
}

.horizontal-card-scroll::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

.class-card {
    min-width: 260px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
    scroll-snap-align: start;
    transition: var(--transition);
    cursor: pointer;
}

.class-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08);
    border-color: rgba(5, 150, 105, 0.3);
}

.class-card-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    background: #fee2e2;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.class-card-icon.blue {
    background: var(--icon-blue-bg);
    color: var(--icon-blue-fg);
}

.class-card-icon.purple {
    background: var(--icon-purple-bg);
    color: var(--icon-purple-fg);
}

.class-card-icon.amber {
    background: var(--icon-amber-bg);
    color: var(--icon-amber-fg);
}

/* ==========================================================================
   FILTER TABS (Pill Kustom)
   ========================================================================== */
.filter-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 24px;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
}

.filter-tabs::-webkit-scrollbar {
    display: none;
}

.tab-item {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-secondary);
    white-space: nowrap;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    scroll-snap-align: start;
    transition: var(--transition);
}

.tab-item.active,
.tab-item:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ==========================================================================
   IKON METRIC (Varian Warna — dipakai di dalam card Bootstrap)
   ========================================================================== */
.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.metric-icon.emerald {
    background: var(--icon-emerald-bg);
    color: var(--icon-emerald-fg);
}

.metric-icon.amber {
    background: var(--icon-amber-bg);
    color: var(--icon-amber-fg);
}

.metric-icon.blue {
    background: var(--icon-blue-bg);
    color: var(--icon-blue-fg);
}

.metric-icon.purple {
    background: var(--icon-purple-bg);
    color: var(--icon-purple-fg);
}

/* ==========================================================================
   INDIKATOR KECIL (Live Dot & Notifikasi)
   ========================================================================== */
.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

.badge-dot.pulse {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(5, 150, 105, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(5, 150, 105, 0);
    }
}

.notification-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 7px;
    height: 7px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid white;
}

/* ==========================================================================
   MOBILE BOTTOM DOCK (Android / iOS + Safe Area)
   ========================================================================== */
.mobile-bottom-dock {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 68px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding-bottom: env(safe-area-inset-bottom);
    z-index: 100;
}

@media (min-width: 1024px) {
    .mobile-bottom-dock {
        display: none;
    }
}

.dock-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.68rem;
    font-weight: 700;
}

.dock-link i {
    font-size: 1.1rem;
}

.dock-link.active {
    color: var(--primary);
}

.dock-fab {
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    border: none;
    font-size: 1.2rem;
    margin-top: -24px;
    box-shadow: 0 8px 16px rgba(5, 150, 105, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   UTILITAS & AKSESIBILITAS
   ========================================================================== */
.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08);
}

.animate-in {
    animation: fadeUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

:focus-visible {
    outline: 3px solid rgba(5, 150, 105, 0.35);
    outline-offset: 2px;
    border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}