/* ============================================
   Digital Marketplace - Custom Styles
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
}

:root {
    --violet-50: #f5f3ff;
    --violet-100: #ede9fe;
    --violet-200: #ddd6fe;
    --violet-300: #c4b5fd;
    --violet-400: #a78bfa;
    --violet-500: #8b5cf6;
    --violet-600: #7c3aed;
    --violet-700: #6d28d9;
    --violet-800: #5b21b6;
    --violet-900: #4c1d95;
    --zinc-50: #fafafa;
    --zinc-100: #f4f4f5;
    --zinc-200: #e4e4e7;
    --zinc-300: #d4d4d8;
    --zinc-400: #a1a1aa;
    --zinc-500: #71717a;
    --zinc-600: #52525b;
    --zinc-700: #3f3f46;
    --zinc-800: #27272a;
    --zinc-900: #18181b;
    --zinc-950: #09090b;
    --amber-400: #fbbf24;
    --amber-500: #f59e0b;
    --emerald-500: #10b981;
    --red-500: #ef4444;
    --red-600: #dc2626;
    --blue-500: #3b82f6;
}

html {
    min-width: 320px;
}

body {
    overflow-x: hidden;
}

a, button, input, textarea, select {
    font: inherit;
}

button {
    border: 0;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--violet-600);
    border-radius: 999px;
}

.navbar-blur {
    transition: box-shadow 0.3s, background-color 0.3s, border-color 0.3s;
}

.navbar-scrolled .navbar-blur {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    color: var(--zinc-600);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25rem;
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s;
}

.nav-link:hover {
    color: var(--zinc-900);
    background: var(--zinc-100);
}

.dark .nav-link {
    color: var(--zinc-400);
}

.dark .nav-link:hover {
    color: #fff;
    background: var(--zinc-800);
}

.nav-link-active {
    color: var(--violet-600) !important;
    background: var(--violet-50) !important;
}

.dark .nav-link-active {
    color: var(--violet-400) !important;
    background: rgba(46, 16, 101, 0.4) !important;
}

.btn-primary,
.btn-secondary,
.btn-outline,
.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 2.75rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary {
    color: #fff;
    background: var(--violet-600);
    box-shadow: 0 10px 20px rgba(124, 58, 237, 0.25);
}

.btn-primary:hover {
    background: var(--violet-700);
    box-shadow: 0 14px 28px rgba(124, 58, 237, 0.32);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    color: var(--zinc-700);
    background: var(--zinc-100);
}

.btn-secondary:hover {
    background: var(--zinc-200);
}

.dark .btn-secondary {
    color: var(--zinc-300);
    background: var(--zinc-800);
}

.dark .btn-secondary:hover {
    background: var(--zinc-700);
}

.btn-outline {
    color: var(--violet-600);
    background: transparent;
    border: 2px solid var(--violet-600);
}

.btn-outline:hover {
    color: #fff;
    background: var(--violet-600);
}

.btn-danger {
    color: #fff;
    background: var(--red-600);
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-sm {
    min-height: 2rem;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
}

.dropdown-menu {
    z-index: 50;
    overflow: hidden;
    border: 1px solid var(--zinc-200);
    border-radius: 0.75rem;
    background: #fff;
    box-shadow: 0 18px 40px rgba(24, 24, 27, 0.12);
}

.dark .dropdown-menu {
    border-color: var(--zinc-800);
    background: var(--zinc-900);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 1rem;
    color: var(--zinc-700);
    font-size: 0.875rem;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.dropdown-item:hover {
    background: var(--zinc-50);
}

.dark .dropdown-item {
    color: var(--zinc-300);
}

.dark .dropdown-item:hover {
    background: var(--zinc-800);
}

.card,
.product-card {
    border: 1px solid var(--zinc-200);
    border-radius: 0.75rem;
    background: #fff;
    box-shadow: 0 1px 2px rgba(24, 24, 27, 0.04);
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.dark .card,
.dark .product-card {
    border-color: var(--zinc-800);
    background: var(--zinc-900);
}

.card:hover,
.product-card:hover {
    box-shadow: 0 8px 24px rgba(24, 24, 27, 0.08);
}

.card-hover:hover,
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(124, 58, 237, 0.12);
}

.product-card {
    overflow: hidden;
    cursor: pointer;
}

.product-card-image {
    width: 100%;
    height: 12rem;
    object-fit: cover;
    transition: transform 0.5s;
}

.product-card:hover .product-card-image {
    transform: scale(1.05);
}

.form-group {
    display: grid;
    gap: 0.5rem;
    min-width: 0;
}

.form-label {
    display: block;
    margin: 0;
    color: var(--zinc-700);
    font-size: 0.875rem;
    font-weight: 700;
    line-height: 1.25rem;
}

.dark .form-label {
    color: var(--zinc-300);
}

.form-input {
    display: block;
    width: 100%;
    min-width: 0;
    min-height: 3rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--zinc-200);
    border-radius: 0.75rem;
    outline: none;
    background: var(--zinc-50);
    color: var(--zinc-900);
    font-size: 0.9375rem;
    line-height: 1.4;
    transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-input:focus {
    border-color: transparent;
    box-shadow: 0 0 0 2px var(--violet-500);
    background: #fff;
}

.form-input:disabled {
    opacity: 0.75;
    cursor: not-allowed;
}

.dark .form-input {
    border-color: var(--zinc-700);
    background: rgba(39, 39, 42, 0.6);
    color: var(--zinc-100);
}

.dark .form-input:focus {
    background: rgba(39, 39, 42, 0.95);
}

.form-error {
    margin-top: 0.25rem;
    color: var(--red-500);
    font-size: 0.75rem;
}

.relative > .form-input.pr-12 {
    padding-right: 3rem;
}

.relative > button[onclick^="togglePass"] {
    top: 50%;
    right: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border-radius: 0.5rem;
    background: transparent;
    transform: translateY(-50%);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.625rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-purple { background: var(--violet-100); color: var(--violet-700); }
.badge-green { background: #d1fae5; color: #047857; }
.badge-amber { background: #fef3c7; color: #b45309; }
.badge-red { background: #fee2e2; color: #b91c1c; }
.badge-zinc { background: var(--zinc-100); color: var(--zinc-700); }
.badge-blue { background: #dbeafe; color: #1d4ed8; }

.dark .badge-purple { background: rgba(46, 16, 101, 0.5); color: var(--violet-300); }
.dark .badge-green { background: rgba(6, 78, 59, 0.5); color: #6ee7b7; }
.dark .badge-amber { background: rgba(120, 53, 15, 0.5); color: #fcd34d; }
.dark .badge-red { background: rgba(127, 29, 29, 0.5); color: #fca5a5; }
.dark .badge-zinc { background: var(--zinc-800); color: var(--zinc-400); }
.dark .badge-blue { background: rgba(30, 58, 138, 0.5); color: #93c5fd; }

.footer-link {
    color: var(--zinc-500);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--violet-600);
}

.dark .footer-link {
    color: var(--zinc-400);
}

.dark .footer-link:hover {
    color: var(--violet-400);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background: var(--zinc-100);
    color: var(--zinc-500);
    transition: background-color 0.2s, color 0.2s;
}

.social-icon:hover {
    background: var(--violet-600);
    color: #fff;
}

.dark .social-icon {
    background: var(--zinc-800);
    color: var(--zinc-400);
}

.section-title {
    font-size: clamp(1.875rem, 2vw + 1rem, 2.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 0;
}

.section-subtitle {
    margin-top: 0.75rem;
    color: var(--zinc-500);
    font-size: 1.125rem;
}

.dark .section-subtitle {
    color: var(--zinc-400);
}

.gradient-text {
    background: linear-gradient(90deg, var(--violet-600), var(--violet-500), #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-glow {
    position: absolute;
    width: 37.5rem;
    height: 37.5rem;
    max-width: 90vw;
    max-height: 90vw;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    padding: 0.75rem 1rem;
    background: var(--zinc-50);
    color: var(--zinc-500);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-align: left;
    text-transform: uppercase;
}

.data-table td {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--zinc-100);
}

.data-table tr:hover td {
    background: var(--zinc-50);
}

.dark .data-table th {
    background: rgba(39, 39, 42, 0.5);
    color: var(--zinc-400);
}

.dark .data-table td {
    border-color: var(--zinc-800);
}

.dark .data-table tr:hover td {
    background: rgba(39, 39, 42, 0.3);
}

.video-watermark {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    color: rgba(255, 255, 255, 0.35);
    font-family: monospace;
    font-size: 11px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
}

.stat-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
}

.stat-icon {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
}

.progress-bar {
    overflow: hidden;
    height: 0.5rem;
    border-radius: 999px;
    background: var(--zinc-200);
}

.dark .progress-bar {
    background: var(--zinc-800);
}

.progress-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--violet-500), var(--violet-600));
    transition: width 0.5s;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    color: var(--zinc-600);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.sidebar-link:hover {
    color: var(--zinc-900);
    background: var(--zinc-100);
}

.dark .sidebar-link {
    color: var(--zinc-400);
}

.dark .sidebar-link:hover {
    color: #fff;
    background: var(--zinc-800);
}

.sidebar-link-active,
.sidebar-link-active:hover {
    color: #fff;
    background: var(--violet-600);
    box-shadow: 0 10px 20px rgba(124, 58, 237, 0.25);
}

.skeleton {
    border-radius: 0.5rem;
    background: var(--zinc-200);
    animation: pulse 1.5s ease-in-out infinite;
}

.dark .skeleton {
    background: var(--zinc-800);
}

.lesson-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.lesson-item:hover {
    background: var(--zinc-100);
}

.dark .lesson-item:hover {
    background: var(--zinc-800);
}

.lesson-item.active {
    color: var(--violet-700);
    background: var(--violet-50);
}

.dark .lesson-item.active {
    color: var(--violet-300);
    background: rgba(46, 16, 101, 0.5);
}

.glow-violet {
    box-shadow: 0 0 30px rgba(124, 58, 237, 0.3);
}

#toast-container {
    position: fixed;
    top: 80px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.4s ease-out;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

/* Auth pages */
.auth-shell {
    display: grid;
    min-height: 100vh;
    padding-top: 4rem;
}

.auth-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 28rem;
}

.auth-card form {
    width: 100%;
}

.auth-card .btn-primary {
    width: 100%;
}

.auth-check-row {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
}

.auth-check-row input[type="checkbox"] {
    flex: 0 0 auto;
    width: 1rem;
    height: 1rem;
    margin-top: 0.15rem;
}

.auth-check-row label {
    min-width: 0;
    color: var(--zinc-600);
    font-size: 0.875rem;
    line-height: 1.5;
}

.dark .auth-check-row label {
    color: var(--zinc-400);
}

@media (min-width: 1024px) {
    .auth-shell {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        padding-top: 0;
    }

    .auth-panel {
        padding: 3rem 2rem;
    }
}

@media (max-width: 640px) {
    .btn-primary,
    .btn-secondary,
    .btn-outline,
    .btn-danger {
        white-space: normal;
    }

    .form-input {
        font-size: 1rem;
    }

    #toast-container {
        left: 16px;
        right: 16px;
    }
}