/* Code Academy - Theme Styles */
/* Fonts loaded via non-blocking link in header.php */

:root {
    --primary: #2563EB;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --secondary: #7C3AED;
    --accent: #10B981;
    --accent-warm: #F59E0B;
    --rose: #F43F5E;
}

/* Light mode (default) */
body {
    font-family: 'DM Sans', sans-serif;
    background: #fafaf9;
    color: #1c1917;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.card, .testimonial-card, .dashboard-stat {
    background: #fff;
}

.text-muted { color: #78716c !important; }

/* ─── Preloader ─── */
#preloader {
    position: fixed; inset: 0;
    background: #fafaf9;
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}
#preloader.fade-out { opacity: 0; pointer-events: none; }
/* Auto-hide preloader after 0.5s even if JS fails */
#preloader { animation: hidePreloader 0s 0.5s forwards; }
@keyframes hidePreloader { to { display: none; } }

.loader {
    width: 40px; height: 40px;
    border: 3px solid #e7e5e4;
    border-top-color: #2563EB;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Code Examples (ChatGPT Style) ─── */
.code-example-card {
    border-radius: 12px;
    border: 1px solid #d1d5db;
    background: #fff;
    margin-bottom: 1.25rem;
    overflow: hidden;
}
.code-example-header {
    background: #f9fafb;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid #e5e7eb;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.code-example-body {
    background: #1c1917 !important;
    margin: 0;
}
.code-example-body pre {
    margin: 0 !important;
    padding: 1.25rem !important;
    background: transparent !important;
    border: none !important;
}
.code-example-body code {
    color: #e7e5e4 !important;
    background: transparent !important;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
}
.btn-copy-code {
    padding: 0.3rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 6px;
    background: #fff;
    border: 1px solid #d1d5db;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-copy-code:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

.code-output-block {
    border-radius: 8px;
    border: 1px solid #bfdbfe;
    background: #eff6ff;
    margin-bottom: 1.25rem;
    overflow: hidden;
}
.code-output-header {
    background: #2563EB;
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 0.8rem;
    color: #ffffff;
    border-bottom: 1px solid #3b82f6;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.code-output-body {
    padding: 1rem 1.25rem;
    background: #dbeafe;
}
.code-output-body pre {
    margin: 0;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.85rem;
    color: #1e40af;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
}
/* ─── Back to Top ─── */
#backToTop {
    position: fixed; bottom: 24px; right: 24px;
    width: 44px; height: 44px;
    display: none; align-items: center; justify-content: center;
    background: #1c1917; color: #fafaf9;
    border: none; border-radius: 50%;
    font-size: 16px; cursor: pointer;
    z-index: 999;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}
#backToTop:hover { transform: scale(1.1) translateY(-3px); background: #2563EB; }

/* ─── Navbar ─── */
.navbar { padding: 0.75rem 0; }
.navbar-brand { font-weight: 600; font-size: 1.1rem; }
.nav-link { color: #555 !important; font-size: 0.88rem; padding: 0.4rem 0.8rem !important; }
.nav-link:hover { color: #111 !important; }

/* ─── Hero ─── */
.hero-section {
    padding: 100px 0 80px;
    background: linear-gradient(165deg, #F0F9FF 0%, #FAFAF9 40%, #FFF7ED 100%);
    position: relative; overflow: hidden;
}

/* ─── Cards ─── */
.card {
    border: none;
    border-radius: 20px;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.08); }

.card-course .course-icon {
    width: 64px; height: 64px;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; color: white;
    margin: 0 auto 1rem;
    transition: transform 0.3s ease;
}
.card-course:hover .course-icon { transform: scale(1.1) rotate(-5deg); }

/* ─── Buttons ─── */
.btn { border-radius: 9999px; font-weight: 600; font-size: 0.9rem; padding: 0.6rem 1.5rem; border: none; }
.btn-primary { background: #1c1917; color: #fafaf9; }
.btn-primary:hover { background: #2563EB; color: white; transform: translateY(-2px); }
.btn-accent {
    background: linear-gradient(135deg, #0ea5e9 0%, #2563EB 45%, #22c55e 100%);
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.28);
}
.btn-accent:hover {
    background: linear-gradient(135deg, #0284c7 0%, #1d4ed8 45%, #16a34a 100%);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.35);
}

/* ─── Stats ─── */
.stat-number { font-family: 'Space Grotesk', sans-serif; font-size: 2.8rem; font-weight: 700; }

/* ─── Testimonials ─── */
.testimonial-card {
    border-radius: 20px;
    padding: 2rem;
    position: relative;
}
.testimonial-card::before {
    content: '\201C';
    font-size: 5rem; line-height: 1;
    position: absolute; top: 16px; left: 20px;
    color: #2563EB; opacity: 0.15;
}
.testimonial-card .stars { color: #F59E0B; }

/* ─── Auth ─── */
.auth-page { min-height: 100vh; display: flex; align-items: center; }

/* ─── Dashboard ─── */
.dashboard-stat {
    padding: 1.25rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}
.dashboard-stat:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(0,0,0,0.08); }

/* ─── Code Editor ─── */
.code-editor {
    border: 2px solid #e7e5e4;
    border-radius: 12px;
    overflow: hidden;
}
.code-editor:focus-within { border-color: #2563EB; box-shadow: 0 0 0 4px rgba(37,99,235,0.15); }
.code-editor .editor-toolbar {
    background: #1c1917; color: white;
    padding: 0.6rem 1rem;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid #292524;
    font-size: 0.8rem;
}
.code-editor textarea {
    font-family: 'Fira Code', monospace;
    font-size: 14px; line-height: 1.7;
    padding: 1rem; width: 100%; min-height: 280px;
    border: none; resize: vertical;
    background: #0c0a09; color: #e7e5e4;
    outline: none; tab-size: 4;
}
.code-editor .output-pane {
    background: #0c0a09; color: #6ee7b7;
    padding: 1rem; min-height: 80px;
    border-top: 1px solid #292524;
    font-family: 'Fira Code', monospace;
    font-size: 13px; line-height: 1.7;
    white-space: pre; overflow-y: auto;
}

/* ─── Quiz ─── */
.quiz-option {
    display: block; padding: 0.9rem 1rem;
    border: 2px solid #e7e5e4;
    border-radius: 8px; margin-bottom: 0.5rem;
    cursor: pointer; transition: all 0.2s ease;
}
.quiz-option:hover { border-color: #2563EB; background: rgba(37,99,235,0.04); transform: translateX(4px); }
.quiz-option.selected { border-color: #2563EB; background: rgba(37,99,235,0.08); }
.quiz-option.correct { border-color: #10B981; background: rgba(16,185,129,0.1); }
.quiz-option.incorrect { border-color: #F43F5E; background: rgba(244,63,94,0.1); }

/* ─── Certificate ─── */
.certificate-wrapper {
    padding: 3rem;
    border: 3px solid #2563EB;
    border-radius: 20px; position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
}

/* ─── Footer ─── */
footer a:hover { color: #2563EB !important; }

/* ─── Animations ─── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

.gradient-text {
    background: linear-gradient(135deg, #2563EB, #7C3AED);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─── Responsive ─── */
@media (max-width: 991px) {
    .navbar > .container {
        height: 52px !important;
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
    .navbar-collapse {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: #fff;
        margin-top: 0;
        border-radius: 0;
        box-shadow: none;
        padding: 76px 20px 24px;
        z-index: 1040;
        overflow-y: auto;
        overflow-x: hidden;
    }
    .navbar-collapse.show {
        display: flex !important;
    }
    .navbar-collapse .nav-inner {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    .navbar-collapse .nav-links {
        flex-direction: column;
        width: 100%;
        background: none !important;
        padding: 0 !important;
        gap: 0 !important;
    }
    .navbar-collapse .nav-links a {
        display: block;
        width: 100%;
        text-align: left;
        font-size: 1.1rem !important;
        padding: 0.9rem 0 !important;
        border-bottom: 1px solid #f0f0f0;
        border-radius: 0 !important;
        color: #111 !important;
        font-weight: 500;
    }
    .navbar-collapse .nav-links a:last-child {
        border-bottom: none;
    }
    .navbar-collapse .nav-links + div {
        flex-direction: column;
        width: 100%;
        gap: 10px;
        padding-top: 20px;
        margin-left: 0 !important;
        border-top: 1px solid #eee;
    }
    .navbar-collapse .nav-links + div .btn-sm {
        width: 100%;
        justify-content: center;
        padding: 0.6rem !important;
        font-size: 0.95rem !important;
        height: auto !important;
    }
    .navbar-collapse .nav-links + div .dropdown {
        width: 100%;
    }
    .navbar-collapse .nav-links + div .dropdown > .btn {
        width: 100%;
        justify-content: center;
        padding: 0.6rem !important;
        font-size: 0.95rem !important;
    }
    .navbar-collapse .nav-links + div .dropdown-menu {
        position: static !important;
        width: 100%;
        box-shadow: none;
        border: 1px solid #eee;
        margin-top: 8px;
    }
    .hero-section h1 { font-size: 2.2rem; }
    .hero-section .lead { font-size: 1rem; }
    .card { margin-bottom: 0; }
    .code-editor textarea { min-height: 200px; }
    .playground-preview { min-height: 300px !important; }
    .dashboard-stat { margin-bottom: 0; }
    .auth-card .card-body { padding: 1.5rem; }
    .certificate-wrapper { padding: 1.5rem; }
    .lesson-content pre { font-size: 0.8rem; }
    .table-responsive { font-size: 0.85rem; }
}

@media (max-width: 767px) {
    .hero-section { padding: 60px 0 40px; }
    .hero-section h1 { font-size: 1.8rem; }
    .hero-section .lead { font-size: 0.95rem; }
    .hero-image { max-width: 250px !important; }
    .stat-number { font-size: 2rem; }
    .stat-item { padding: 1rem; }
    .card-body { padding: 1.25rem; }
    .testimonial-card { padding: 1.5rem; }
    .course-icon { width: 50px !important; height: 50px !important; font-size: 1.3rem !important; }
    .code-editor textarea { min-height: 150px; font-size: 13px; }
    .code-editor .output-pane { min-height: 60px; font-size: 12px; }
    .playground-preview { min-height: 250px !important; }
    .certificate-wrapper { padding: 1rem; }
    .certificate-wrapper h2 { font-size: 1.3rem; }
    .dashboard-stat { padding: 1rem; }
    .dashboard-stat h3 { font-size: 1.5rem; }
    .quiz-question { padding: 1rem; }
    .quiz-option { padding: 0.7rem 0.8rem; font-size: 0.9rem; }
    .breadcrumb { font-size: 0.8rem; }
    .container { padding-left: 16px; padding-right: 16px; }
    .container-fluid { padding-left: 16px !important; padding-right: 16px !important; }
    .btn { font-size: 0.85rem; padding: 0.5rem 1.2rem; }
    .btn-lg { font-size: 0.95rem; padding: 0.6rem 1.5rem; }
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.1rem; }
    .navbar-brand { font-size: 0.95rem !important; }
    .navbar-brand span { width: 24px !important; height: 24px !important; font-size: 0.6rem !important; }
    .offcanvas-top .offcanvas-body { padding: 0.5rem 1rem !important; }
    .offcanvas-top input { font-size: 0.85rem !important; padding: 0.4rem 0.7rem !important; }
    footer .row > div { margin-bottom: 1.5rem; }
    footer h5 { font-size: 1.1rem; }
    footer h6 { font-size: 0.9rem; }
    .social-links { margin-bottom: 1rem; }
    .accordion-button { font-size: 0.9rem; padding: 0.8rem 1rem; }
    .accordion-body { font-size: 0.85rem; padding: 0.8rem 1rem; }
    .list-group-item { padding: 0.7rem 1rem !important; font-size: 0.85rem; }
    .list-group-item h6 { font-size: 0.9rem; }
    .dropdown-menu { min-width: 150px !important; }
    .dropdown-item { font-size: 0.8rem !important; padding: 0.35rem 0.8rem !important; }
    .auth-page { padding: 1rem; }
    .auth-card .card-body { padding: 1.25rem !important; }
    .auth-card h4 { font-size: 1.2rem; }
    .form-control-lg { font-size: 0.9rem; padding: 0.5rem 0.8rem; }
    .stat-item .stat-number { font-size: 1.8rem; }
    .stat-item .stat-label { font-size: 0.8rem; }
    .course-difficulty { font-size: 0.7rem; padding: 0.2rem 0.5rem; }
    .text-muted.small { font-size: 0.75rem; }
    .progress { height: 5px !important; }
    .card-course .card-body { padding: 1rem !important; }
    .card-course h4 { font-size: 1.1rem; }
    .card-course h5 { font-size: 1rem; }
    .card-course p { font-size: 0.8rem; }
    .nav-pills .nav-link { font-size: 0.8rem; padding: 0.35rem 0.7rem; }
    .code-editor .editor-toolbar { font-size: 0.75rem; padding: 0.4rem 0.7rem; }
    .code-editor .editor-toolbar .btn-sm { font-size: 0.7rem; padding: 0.2rem 0.5rem; }
    .example-btn { font-size: 0.7rem !important; padding: 0.2rem 0.5rem !important; }
    .badge { font-size: 0.7rem; }
    .gradient-text { font-size: inherit; }
    .hero-section .badge { font-size: 0.7rem !important; padding: 4px 12px !important; }
    .hero-section .btn-lg { padding: 0.5rem 1.2rem !important; font-size: 0.85rem !important; }
    .hero-section .lead { font-size: 0.9rem !important; }
    .hero-section h1 { font-size: 1.6rem; }
    .py-5 { padding-top: 2rem !important; padding-bottom: 2rem !important; }
    .py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
    .mb-5 { margin-bottom: 2rem !important; }
    .g-4 { --bs-gutter-y: 1rem; }
    .row.g-4 > * { padding-bottom: 0; }
    .mt-5 { margin-top: 2rem !important; }
    .pt-5 { padding-top: 2rem !important; }
    .pb-3 { padding-bottom: 0.75rem !important; }
    .pb-5 { padding-bottom: 2rem !important; }
    .mb-4 { margin-bottom: 1rem !important; }
    .gap-3 { gap: 0.75rem !important; }
    .gap-2 { gap: 0.5rem !important; }
    .d-flex.flex-wrap.gap-2 { gap: 0.35rem !important; }
    .d-flex.flex-wrap.gap-3 { gap: 0.5rem !important; }
    .d-flex.flex-wrap.gap-4 { gap: 0.75rem !important; }
    .mt-4 { margin-top: 1rem !important; }
    .mt-3 { margin-top: 0.75rem !important; }
    .mb-3 { margin-bottom: 0.75rem !important; }
    .p-4 { padding: 1rem !important; }
    .p-5 { padding: 1.5rem !important; }
    .px-4 { padding-left: 1rem !important; padding-right: 1rem !important; }
    .px-5 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
    .py-3 { padding-top: 0.75rem !important; padding-bottom: 0.75rem !important; }
    .rounded-pill { font-size: 0.7rem; }
    .display-1 { font-size: 3rem !important; }
    .display-4 { font-size: 2rem !important; }
    .display-3 { font-size: 2.5rem !important; }
    .lead { font-size: 0.95rem !important; }
    .text-center.mb-5 { margin-bottom: 1.5rem !important; }
    .text-center.mb-5 h2 { font-size: 1.3rem; }
    .text-center.mb-5 p { font-size: 0.85rem; }
    .text-center.mb-4 { margin-bottom: 1rem !important; }
    .text-center.mb-4 h4 { font-size: 1.1rem; }
    .modal-dialog { margin: 0.5rem; }
    .modal-body { padding: 1rem; }
    .modal-header { padding: 0.75rem 1rem; }
    .modal-footer { padding: 0.75rem 1rem; }
    .modal-title { font-size: 1rem; }
    .table th, .table td { padding: 0.4rem 0.5rem; font-size: 0.8rem; }
    .sidebar { min-height: auto !important; }
    .sidebar .nav-link { padding: 0.5rem 1rem !important; font-size: 0.85rem; }
    .content-area { padding: 1rem !important; }
    .content-area h4 { font-size: 1.1rem; }
    .stat-card { padding: 1rem !important; }
    .stat-card h3 { font-size: 1.3rem; }
    .stat-card small { font-size: 0.75rem; }
    .card-header h5 { font-size: 0.95rem; }
    .card-header .btn-sm { font-size: 0.75rem; padding: 0.2rem 0.5rem; }
    .form-select-sm { font-size: 0.75rem; padding: 0.2rem 1.5rem 0.2rem 0.5rem; }
    .card-body .table-responsive { margin: -0.5rem; }
    .card-body .table-responsive .table { margin-bottom: 0; }
    .card-body .table-responsive .table th,
    .card-body .table-responsive .table td { white-space: nowrap; }
    .card-body .table-responsive .badge { font-size: 0.65rem; }
    .card-body .table-responsive .btn-sm { font-size: 0.7rem; padding: 0.15rem 0.4rem; }
    .card-body .table-responsive .btn-sm i { font-size: 0.7rem; }
    .card-body p.text-muted { font-size: 0.85rem; }
    .card-body .list-group-item { padding: 0.5rem 0.75rem !important; }
    .card-body .list-group-item h6 { font-size: 0.85rem; }
    .card-body .list-group-item small { font-size: 0.75rem; }
    .card-body .list-group-item .badge { font-size: 0.65rem; padding: 0.2rem 0.4rem; }
    .card-body .list-group-item i { font-size: 0.8rem; }
    .card-body .list-group-item .fa-chevron-right { font-size: 0.7rem; }
    .card-body .list-group-item .fa-check-circle { font-size: 0.9rem; }
    .card-body .course-icon { width: 50px !important; height: 50px !important; font-size: 1.2rem !important; }
    .card-body .course-icon i { font-size: 1.2rem !important; }
    .card-body h2 { font-size: 1.2rem; }
    .card-body h4 { font-size: 1.1rem; }
    .card-body h5 { font-size: 1rem; }
    .card-body h6 { font-size: 0.9rem; }
    .card-body p { font-size: 0.85rem; }
    .card-body .btn { font-size: 0.8rem; padding: 0.4rem 1rem; }
    .card-body .btn-lg { font-size: 0.85rem; padding: 0.5rem 1.2rem; }
    .card-body .btn-sm { font-size: 0.75rem; padding: 0.25rem 0.6rem; }
    .card-body hr { margin: 0.75rem 0; }
    .card-body .text-start p { font-size: 0.8rem; margin-bottom: 0.4rem; }
    .card-body .text-start i { font-size: 0.8rem; }
    .card-body .progress { height: 6px !important; }
    .card-body .progress-bar { font-size: 0.7rem; }
    .card-body .d-flex.justify-content-between small { font-size: 0.75rem; }
    .card-body .d-flex.justify-content-between .fw-bold { font-size: 0.8rem; }
    .card-body .avatar-wrapper img { width: 70px !important; height: 70px !important; }
    .card-body .list-group { margin: -0.5rem -1rem; }
    .card-body .list-group .list-group-item { border-radius: 0; border-left: 0; border-right: 0; }
    .card-body .list-group .list-group-item:first-child { border-top: 0; }
    .card-body .list-group .list-group-item:last-child { border-bottom: 0; }
    .card-body .list-group .list-group-item i { width: 16px; }
    .card-body .list-group .list-group-item { font-size: 0.85rem; padding: 0.5rem 1rem !important; }
    .card-body .list-group .list-group-item.active { font-weight: 600; }
    .card-body .dashboard-stat { padding: 0.75rem; }
    .card-body .dashboard-stat h3 { font-size: 1.3rem; }
    .card-body .dashboard-stat small { font-size: 0.75rem; }
    .card-body .dashboard-stat-icon { width: 40px; height: 40px; font-size: 1rem; }
    .card-body .row.g-3 > * { padding-bottom: 0; }
    .card-body .row.g-3 { --bs-gutter-y: 0.75rem; }
    .card-body .card.border { margin-bottom: 0.75rem; }
    .card-body .card.border .card-body { padding: 0.75rem; }
    .card-body .card.border .card-body h6 { font-size: 0.85rem; }
    .card-body .card.border .card-body p { font-size: 0.75rem; }
    .card-body .card.border .card-body .btn-sm { font-size: 0.7rem; padding: 0.2rem 0.5rem; }
    .card-body .text-center.py-5 { padding: 2rem 0 !important; }
    .card-body .text-center.py-5 i { font-size: 2.5rem !important; }
    .card-body .text-center.py-5 p { font-size: 0.85rem; }
    .card-body .text-center.py-5 .btn { font-size: 0.8rem; padding: 0.4rem 1rem; }
    .card-body form .form-label { font-size: 0.85rem; }
    .card-body form .form-control { font-size: 0.85rem; padding: 0.4rem 0.7rem; }
    .card-body form .form-control-lg { font-size: 0.9rem; padding: 0.5rem 0.8rem; }
    .card-body form textarea.form-control { font-size: 0.85rem; }
    .card-body form .btn { font-size: 0.85rem; padding: 0.4rem 1rem; }
    .card-body form .btn-lg { font-size: 0.9rem; padding: 0.5rem 1.2rem; }
    .card-body form .input-group .form-control { font-size: 0.85rem; }
    .card-body form .input-group .btn { font-size: 0.85rem; padding: 0.4rem 0.8rem; }
    .card-body form .col-md-6 { margin-bottom: 0.5rem; }
    .card-body form .row.g-3 > * { padding-bottom: 0; }
    .card-body form .row.g-3 { --bs-gutter-y: 0.5rem; }
    .card-body form .mt-3 { margin-top: 0.5rem !important; }
    .card-body form .mb-3 { margin-bottom: 0.5rem !important; }
    .card-body form .mb-4 { margin-bottom: 0.75rem !important; }
    .card-body form h4 { font-size: 1.1rem; }
    .card-body form h5 { font-size: 1rem; }
    .card-body form h6 { font-size: 0.9rem; }
    .card-body form .fw-bold.mb-4 { margin-bottom: 0.75rem !important; }
    .card-body form .fw-bold.mb-3 { margin-bottom: 0.5rem !important; }
    .card-body form .d-flex.justify-content-between { flex-direction: column; gap: 0.5rem; }
    .card-body form .d-flex.justify-content-between a { font-size: 0.8rem; }
    .card-body form .text-center.mt-3 { margin-top: 0.75rem !important; }
    .card-body form .text-center.mt-3 p { font-size: 0.85rem; }
    .card-body form .text-center.mt-3 a { font-size: 0.85rem; }
    .card-body .alert { font-size: 0.85rem; padding: 0.5rem 0.75rem; }
    .card-body .alert .btn-close { font-size: 0.7rem; }
    .card-body .alert i { font-size: 0.85rem; }
    .card-body .alert-dismissible { padding-right: 2rem; }
    .card-body .text-center.mb-4 { margin-bottom: 0.75rem !important; }
    .card-body .text-center.mb-4 i { font-size: 1.5rem !important; }
    .card-body .text-center.mb-4 h4 { font-size: 1.1rem; }
    .card-body .text-center.mb-4 p { font-size: 0.85rem; }
    .card-body .display-3 { font-size: 2.5rem !important; }
    .card-body .display-1 { font-size: 3rem !important; }
    .card-body .btn.w-100 { font-size: 0.85rem; padding: 0.4rem 1rem; }
    .card-body .btn.w-100 i { font-size: 0.85rem; }
    .card-body .btn.w-100 + .btn.w-100 { margin-top: 0.5rem; }
    .card-body .d-flex.justify-content-center.gap-3 { gap: 0.5rem !important; }
    .card-body .d-flex.justify-content-center.gap-3 .btn { font-size: 0.8rem; padding: 0.35rem 0.8rem; }
    .card-body .border-top.pt-4 { padding-top: 0.75rem !important; margin-top: 1.5rem !important; }
    .card-body .border-top.pt-4 .btn { font-size: 0.8rem; padding: 0.35rem 0.8rem; }
    .card-body .border-top.pt-4 .btn i { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .text-center .btn-accent { font-size: 0.8rem; padding: 0.35rem 0.8rem; }
    .card-body .border-top.pt-4 .text-center span { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex { gap: 0.5rem; }
    .card-body .border-top.pt-4 .d-flex .btn { font-size: 0.8rem; padding: 0.35rem 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .btn i { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .btn-accent { font-size: 0.8rem; padding: 0.35rem 0.8rem; }
    .card-body .border-top.pt-4 .d-flex span { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .text-accent { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fw-bold { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex i { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-arrow-left { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-arrow-right { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-check { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-question-circle { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-play-circle { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-user-plus { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-sign-in-alt { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-arrow-right { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-arrow-left { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-check { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-question-circle { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-play-circle { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-user-plus { font-size: 0.8rem; }
    .card-body .border-top.pt-4 .d-flex .fa-sign-in-alt { font-size: 0.8rem; }
    .card-body .lesson-content h2 { font-size: 1.2rem; margin-top: 1rem; }
    .card-body .lesson-content p { font-size: 0.85rem; }
    .card-body .lesson-content pre { font-size: 0.75rem; margin: 0.75rem 0; }
    .card-body .lesson-content code { font-size: 0.75rem; }
    .card-body .lesson-content ul { font-size: 0.85rem; padding-left: 1.2rem; }
    .card-body .lesson-content ul li { margin-bottom: 0.25rem; }
    .card-body .lesson-content h3 { font-size: 1rem; margin-top: 1rem; }
    .card-body .lesson-content h4 { font-size: 0.95rem; }
    .card-body .lesson-content h5 { font-size: 0.9rem; }
    .card-body .lesson-content h6 { font-size: 0.85rem; }
    .card-body .lesson-content .mt-4 { margin-top: 1rem !important; }
    .card-body .lesson-content .mt-4 h5 { font-size: 0.95rem; }
    .card-body .lesson-content .mt-4 pre { font-size: 0.75rem; }
    .card-body .lesson-content .mt-4 code { font-size: 0.75rem; }
    .card-body .lesson-content .mt-4 .bg-dark { padding: 0.75rem !important; }
    .card-body .lesson-content .mt-4 .bg-dark pre { font-size: 0.75rem; }
    .card-body .lesson-content .mt-4 .bg-light { padding: 0.75rem !important; }
    .card-body .lesson-content .mt-4 .bg-light h5 { font-size: 0.9rem; }
    .card-body .lesson-content .mt-4 .bg-light p { font-size: 0.8rem; }
    .card-body .lesson-content .border-start { border-left-width: 3px !important; }
    .card-body .lesson-content .p-4 { padding: 0.75rem !important; }
    .card-body .lesson-content .rounded { border-radius: 6px !important; }
    .card-body .lesson-content .bg-dark { background: #1c1917 !important; }
    .card-body .lesson-content .bg-dark pre { color: #e7e5e4 !important; }
    .card-body .lesson-content .bg-dark pre code { color: #e7e5e4 !important; }
    .card-body .lesson-content .bg-light { background: #f5f5f5 !important; }
    .card-body .lesson-content .bg-light h5 { color: #1c1917; }
    .card-body .lesson-content .bg-light p { color: #555; }
    .card-body .lesson-content .mt-5 { margin-top: 1.5rem !important; }
    .card-body .lesson-content .pt-4 { padding-top: 0.75rem !important; }
    .card-body .lesson-content .border-top { border-top: 1px solid #eee !important; }
    .card-body .lesson-content .d-flex.justify-content-between { flex-direction: row; gap: 0.5rem; }
    .card-body .lesson-content .border-top { border-top: 1px solid #eee !important; }
    .card-body .lesson-content h5 { font-size: 0.9rem; }
}