/* ═══════════════════════════════════════════
   5DC Courses — Kajabi-Style Frontend
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --fdc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fdc-primary: #6C5CE7;
    --fdc-primary-dark: #5A4BD1;
    --fdc-primary-light: #A29BFE;
    --fdc-primary-glow: rgba(108, 92, 231, 0.15);
    --fdc-accent: #00CEC9;
    --fdc-dark: #0F0F1A;
    --fdc-dark-2: #1A1A2E;
    --fdc-dark-3: #2D2D44;
    --fdc-text: #2D3436;
    --fdc-text-2: #636E72;
    --fdc-text-3: #B2BEC3;
    --fdc-bg: #F8F9FC;
    --fdc-white: #FFFFFF;
    --fdc-border: #E8ECF1;
    --fdc-success: #00B894;
    --fdc-success-light: #E8FBF5;
    --fdc-warning: #FDCB6E;
    --fdc-danger: #E17055;
    --fdc-radius: 12px;
    --fdc-radius-lg: 20px;
    --fdc-radius-pill: 50px;
    --fdc-shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --fdc-shadow: 0 4px 20px rgba(0,0,0,0.06);
    --fdc-shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --fdc-shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --fdc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Theme header/footer are now used on all course pages */

/* ═══════════════════════════════════════════
   CHECKOUT & LOGIN
   ═══════════════════════════════════════════ */

.fdc-checkout-wrap {
    font-family: var(--fdc-font);
    color: var(--fdc-text);
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 24px 80px;
    -webkit-font-smoothing: antialiased;
}

.fdc-checkout-layout {
    display: flex;
    gap: 48px;
    align-items: flex-start;
}

/* ── Summary (left) ── */

.fdc-checkout-summary {
    flex: 1;
}

.fdc-checkout-thumb {
    border-radius: var(--fdc-radius);
    overflow: hidden;
    margin-bottom: 24px;
}

.fdc-checkout-thumb img {
    width: 100%;
    height: auto;
    display: block;
}

.fdc-checkout-summary h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--fdc-dark);
    margin: 0 0 12px;
    line-height: 1.3;
}

.fdc-checkout-excerpt {
    color: var(--fdc-text-2);
    font-size: 16px;
    line-height: 1.6;
    margin: 0 0 24px;
}

.fdc-checkout-details {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fdc-checkout-details li {
    font-size: 15px;
    color: var(--fdc-text-2);
    display: flex;
    align-items: center;
    gap: 10px;
}

.fdc-checkout-details li span:first-child {
    font-size: 18px;
}

.fdc-checkout-price-display {
    font-size: 36px;
    font-weight: 800;
    color: var(--fdc-dark);
}

/* ── Form (right) ── */

.fdc-checkout-form-wrap {
    flex: 0 0 400px;
    background: var(--fdc-white);
    border: 1px solid var(--fdc-border);
    border-radius: var(--fdc-radius-lg);
    padding: 36px;
    box-shadow: var(--fdc-shadow);
}

.fdc-checkout-form-wrap h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--fdc-dark);
    margin: 0 0 8px;
}

.fdc-checkout-form-sub {
    font-size: 14px;
    color: var(--fdc-text-2);
    margin: 0 0 24px;
    line-height: 1.5;
}

.fdc-checkout-form .fdc-form-group {
    margin-bottom: 20px;
}

.fdc-checkout-form .fdc-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--fdc-text);
    margin-bottom: 6px;
}

.fdc-checkout-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--fdc-border);
    border-radius: 10px;
    font-family: var(--fdc-font);
    font-size: 16px;
    color: var(--fdc-text);
    background: var(--fdc-bg);
    transition: var(--fdc-transition);
    box-sizing: border-box;
}

.fdc-checkout-input:focus {
    outline: none;
    border-color: var(--fdc-primary);
    box-shadow: 0 0 0 3px var(--fdc-primary-glow);
    background: var(--fdc-white);
}

.fdc-checkout-btn {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: none;
}

.fdc-checkout-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.fdc-checkout-error-msg {
    background: rgba(225, 112, 85, 0.08);
    color: var(--fdc-danger);
    border: 1px solid rgba(225, 112, 85, 0.2);
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
}

.fdc-checkout-cancel {
    background: rgba(253, 203, 110, 0.15);
    color: #92600a;
    border: 1px solid rgba(253, 203, 110, 0.3);
    border-radius: 10px;
    padding: 14px 20px;
    font-size: 15px;
    margin-bottom: 32px;
    text-align: center;
}

.fdc-checkout-privacy {
    font-size: 12px;
    color: var(--fdc-text-3);
    margin: 20px 0 0;
    line-height: 1.5;
}

.fdc-checkout-privacy a {
    color: var(--fdc-primary);
}

/* ── Sent Confirmation ── */

.fdc-checkout-sent {
    text-align: center;
    padding: 20px 0;
}

.fdc-checkout-sent-icon {
    font-size: 56px;
    margin-bottom: 16px;
}

.fdc-checkout-sent h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--fdc-dark);
    margin: 0 0 12px;
}

.fdc-checkout-sent p {
    font-size: 15px;
    color: var(--fdc-text-2);
    line-height: 1.6;
}

.fdc-checkout-sent-sub {
    font-size: 13px !important;
    color: var(--fdc-text-3) !important;
    margin-top: 16px !important;
}

/* ── Success Page ── */

.fdc-checkout-success {
    text-align: center;
    padding: 60px 20px;
}

.fdc-checkout-success-icon {
    width: 80px;
    height: 80px;
    background: var(--fdc-success);
    color: var(--fdc-white);
    border-radius: 50%;
    font-size: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.fdc-checkout-success h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--fdc-dark);
    margin: 0 0 12px;
}

.fdc-checkout-success p {
    font-size: 16px;
    color: var(--fdc-text-2);
    line-height: 1.6;
    max-width: 480px;
    margin: 0 auto 8px;
}

.fdc-checkout-success-sub {
    font-size: 13px !important;
    color: var(--fdc-text-3) !important;
}

.fdc-checkout-success-sub a {
    color: var(--fdc-primary);
}

/* ── Error page ── */

.fdc-checkout-error {
    text-align: center;
    padding: 80px 20px;
}

.fdc-checkout-error h2 {
    font-size: 28px;
    font-weight: 800;
    margin: 0 0 12px;
}

.fdc-checkout-error p {
    color: var(--fdc-text-2);
    margin: 0 0 24px;
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .fdc-checkout-layout {
        flex-direction: column;
    }
    .fdc-checkout-form-wrap {
        flex: none;
        width: 100%;
    }
}

/* Logo-only header removed — theme header/footer used instead */

/* ── Base Reset for Plugin Templates ── */

.fdc-catalog-wrap,
.fdc-single-wrap,
.fdc-student-wrap,
.fdc-lesson-wrap {
    font-family: var(--fdc-font);
    color: var(--fdc-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.fdc-catalog-wrap *,
.fdc-single-wrap *,
.fdc-student-wrap *,
.fdc-lesson-wrap * {
    box-sizing: border-box;
}

/* ═══════════════════════════════════════════
   COURSE CATALOG
   ═══════════════════════════════════════════ */

.fdc-catalog-wrap {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.fdc-catalog-header {
    background: linear-gradient(135deg, var(--fdc-dark) 0%, var(--fdc-dark-2) 50%, #16213E 100%);
    padding: 80px 40px 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.fdc-catalog-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--fdc-primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.fdc-catalog-header::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 206, 201, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.fdc-catalog-header h1 {
    font-size: 44px;
    font-weight: 800;
    color: var(--fdc-white);
    margin: 0 0 12px;
    letter-spacing: -0.02em;
    position: relative;
}

.fdc-catalog-header p {
    font-size: 19px;
    color: var(--fdc-text-3);
    margin: 0;
    font-weight: 400;
    position: relative;
}

.fdc-catalog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    padding: 32px 40px;
    background: var(--fdc-white);
    border-bottom: 1px solid var(--fdc-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.fdc-filter-btn {
    padding: 10px 24px;
    border-radius: var(--fdc-radius-pill);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--fdc-font);
    text-decoration: none;
    color: var(--fdc-text-2);
    background: var(--fdc-bg);
    border: 2px solid transparent;
    transition: var(--fdc-transition);
    cursor: pointer;
}

.fdc-filter-btn:hover {
    color: var(--fdc-primary);
    background: var(--fdc-primary-glow);
    border-color: transparent;
}

.fdc-filter-btn.active {
    background: var(--fdc-primary);
    color: var(--fdc-white);
}

.fdc-catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
    padding: 48px 40px 80px;
    max-width: 1320px;
    margin: 0 auto;
    align-items: stretch;
}

.fdc-cat-card {
    background: var(--fdc-white);
    border-radius: var(--fdc-radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: var(--fdc-transition);
    display: flex;
    flex-direction: column;
    box-shadow: var(--fdc-shadow-sm);
    border: 1px solid var(--fdc-border);
}

.fdc-cat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--fdc-shadow-xl);
    border-color: transparent;
    text-decoration: none;
}

.fdc-cat-card-thumb {
    height: 200px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--fdc-dark-2) 0%, var(--fdc-dark-3) 100%);
}

.fdc-cat-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.fdc-cat-card:hover .fdc-cat-card-thumb img {
    transform: scale(1.08);
}

.fdc-cat-card-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 56px;
    opacity: 0.3;
}

.fdc-cat-card-body {
    padding: 24px 24px 28px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.fdc-cat-card-body h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--fdc-text);
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.fdc-cat-card-excerpt {
    font-size: 14px;
    color: var(--fdc-text-2);
    margin: 0 0 16px;
    line-height: 1.6;
    flex: 1;
}

.fdc-cat-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--fdc-border);
}

.fdc-cat-card-instructor {
    font-size: 13px;
    font-weight: 500;
    color: var(--fdc-text-2);
}

.fdc-cat-card-price {
    font-size: 16px;
    font-weight: 800;
    color: var(--fdc-primary);
    letter-spacing: -0.01em;
}

.fdc-catalog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 100px 20px;
    color: var(--fdc-text-2);
    font-size: 16px;
}

.fdc-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 0 40px 60px;
}

.fdc-pagination a,
.fdc-pagination span {
    padding: 10px 16px;
    border-radius: var(--fdc-radius);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    color: var(--fdc-text-2);
    background: var(--fdc-white);
    border: 1px solid var(--fdc-border);
    transition: var(--fdc-transition);
}

.fdc-pagination a:hover { border-color: var(--fdc-primary); color: var(--fdc-primary); }
.fdc-pagination .current { background: var(--fdc-primary); color: var(--fdc-white); border-color: var(--fdc-primary); }

/* ═══════════════════════════════════════════
   SINGLE COURSE / SALES PAGE
   ═══════════════════════════════════════════ */

.fdc-single-wrap {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.fdc-course-hero {
    display: flex;
    gap: 60px;
    align-items: center;
    padding: 80px 60px;
    background: linear-gradient(135deg, var(--fdc-dark) 0%, var(--fdc-dark-2) 50%, #16213E 100%);
    position: relative;
    overflow: hidden;
    margin: 0;
    border: none;
}

.fdc-course-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, var(--fdc-primary-glow) 0%, transparent 60%);
    pointer-events: none;
}

.fdc-course-hero-content {
    flex: 1;
    position: relative;
    z-index: 1;
    max-width: 640px;
}

.fdc-course-hero h1 {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.15;
    color: var(--fdc-white);
    margin: 0 0 16px;
    letter-spacing: -0.03em;
}

.fdc-course-tagline {
    font-size: 18px;
    color: var(--fdc-text-3);
    margin: 0 0 24px;
    line-height: 1.6;
    font-weight: 400;
}

.fdc-course-hero-meta {
    display: flex;
    gap: 24px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.5);
    margin-bottom: 32px;
}

.fdc-course-hero-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.fdc-course-hero-image {
    flex: 0 0 440px;
    border-radius: var(--fdc-radius-lg);
    overflow: hidden;
    box-shadow: var(--fdc-shadow-xl);
    position: relative;
    z-index: 1;
}

.fdc-course-hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.fdc-course-cta {
    display: flex;
    align-items: center;
    gap: 20px;
}

.fdc-course-price-hero {
    font-size: 36px;
    font-weight: 900;
    color: var(--fdc-white);
    letter-spacing: -0.02em;
}

.fdc-btn-hero {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    background: var(--fdc-primary);
    color: var(--fdc-white) !important;
    border: none;
    border-radius: var(--fdc-radius-pill);
    font-size: 16px;
    font-weight: 700;
    font-family: var(--fdc-font);
    cursor: pointer;
    text-decoration: none;
    transition: var(--fdc-transition);
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
    letter-spacing: -0.01em;
    min-height: 54px;
}

.fdc-btn-hero:hover {
    background: var(--fdc-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 92, 231, 0.5);
    color: var(--fdc-white) !important;
}

/* Enrolled progress bar in hero */
.fdc-course-enrolled-bar {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    background: rgba(255,255,255,0.08);
    border-radius: var(--fdc-radius);
    padding: 16px 20px;
    backdrop-filter: blur(10px);
}

.fdc-course-enrolled-bar .fdc-progress-text { color: rgba(255,255,255,0.7); }

/* Course body */
.fdc-course-body {
    display: flex;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 40px 80px;
}

.fdc-course-main { flex: 1; min-width: 0; }

.fdc-course-section {
    margin-bottom: 48px;
}

.fdc-course-section h2 {
    font-size: 26px;
    font-weight: 800;
    margin: 0 0 20px;
    letter-spacing: -0.02em;
    color: var(--fdc-text);
}

.fdc-course-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--fdc-text);
}

.fdc-course-description p { margin: 0 0 16px; }

/* Curriculum */
.fdc-curriculum-module {
    border: 1px solid var(--fdc-border);
    border-radius: var(--fdc-radius);
    margin-bottom: 10px;
    overflow: hidden;
    transition: var(--fdc-transition);
}

.fdc-curriculum-module:hover { border-color: var(--fdc-primary-light); }

.fdc-curriculum-module-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: var(--fdc-bg);
    cursor: pointer;
    user-select: none;
    transition: var(--fdc-transition);
}

.fdc-curriculum-module-header:hover { background: #EEF0F6; }

.fdc-curriculum-toggle {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--fdc-white);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--fdc-primary);
    border: 1px solid var(--fdc-border);
    flex-shrink: 0;
    transition: var(--fdc-transition);
}

.fdc-curriculum-module-header h3 {
    flex: 1;
    font-size: 15px;
    font-weight: 700;
    margin: 0;
    color: var(--fdc-text);
}

.fdc-curriculum-count {
    font-size: 13px;
    font-weight: 500;
    color: var(--fdc-text-2);
}

.fdc-curriculum-lessons { display: none; }
.fdc-curriculum-lessons.open { display: block; }

.fdc-curriculum-lesson {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px 14px 52px;
    font-size: 14px;
    border-top: 1px solid var(--fdc-border);
    transition: var(--fdc-transition);
    font-weight: 500;
}

.fdc-curriculum-lesson:hover { background: var(--fdc-bg); }
.fdc-curriculum-lesson.completed { color: var(--fdc-success); }

.fdc-lesson-check {
    font-size: 14px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid var(--fdc-border);
    color: var(--fdc-text-3);
}

.fdc-curriculum-lesson.completed .fdc-lesson-check {
    background: var(--fdc-success);
    border-color: var(--fdc-success);
    color: var(--fdc-white);
    font-size: 11px;
}

.fdc-curriculum-lesson a {
    color: var(--fdc-primary);
    text-decoration: none;
    font-weight: 600;
}
.fdc-curriculum-lesson a:hover { text-decoration: underline; }

/* Sidebar */
.fdc-course-sidebar {
    flex: 0 0 340px;
}

.fdc-sidebar-card {
    background: var(--fdc-white);
    border: 1px solid var(--fdc-border);
    border-radius: var(--fdc-radius-lg);
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: var(--fdc-shadow-sm);
}

.fdc-sidebar-card h3 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--fdc-text-2);
    margin: 0 0 16px;
}

.fdc-instructor-info {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.fdc-instructor-info img { border-radius: 50%; }
.fdc-instructor-info strong { display: block; font-size: 15px; font-weight: 700; }
.fdc-instructor-info p { font-size: 13px; color: var(--fdc-text-2); margin: 4px 0 0; }

.fdc-course-details-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fdc-course-details-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--fdc-border);
    font-size: 14px;
    font-weight: 500;
}

.fdc-course-details-list li:last-child { border-bottom: none; }
.fdc-course-details-list li strong { font-weight: 600; color: var(--fdc-text-2); }

.fdc-sidebar-cta {
    text-align: center;
    background: linear-gradient(135deg, var(--fdc-dark) 0%, var(--fdc-dark-2) 100%);
    border: none;
}

.fdc-sidebar-cta h3 { display: none; }

.fdc-sidebar-price {
    display: block;
    font-size: 36px;
    font-weight: 900;
    color: var(--fdc-white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.fdc-sidebar-cta .fdc-btn-hero {
    width: 100%;
    padding: 18px;
    font-size: 17px;
}

.fdc-text-muted { color: var(--fdc-text-2); }

/* ═══════════════════════════════════════════
   PROGRESS BAR
   ═══════════════════════════════════════════ */

.fdc-progress-bar {
    flex: 1;
    height: 10px;
    background: rgba(0,0,0,0.08);
    border-radius: 5px;
    overflow: hidden;
    min-width: 120px;
}

.fdc-progress-bar-sm { height: 6px; min-width: 80px; }

.fdc-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--fdc-success), var(--fdc-accent));
    border-radius: 5px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.fdc-progress-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--fdc-text-2);
    white-space: nowrap;
}

/* ═══════════════════════════════════════════
   STUDENT DASHBOARD
   ═══════════════════════════════════════════ */

.fdc-student-wrap {
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.fdc-student-header {
    background: linear-gradient(135deg, var(--fdc-dark) 0%, var(--fdc-dark-2) 50%, #16213E 100%);
    padding: 60px 40px 50px;
    position: relative;
    overflow: hidden;
}

.fdc-student-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--fdc-primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.fdc-student-header h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--fdc-white);
    margin: 0 0 8px;
    letter-spacing: -0.02em;
    position: relative;
}

.fdc-student-header p {
    color: var(--fdc-text-3);
    font-size: 17px;
    margin: 0;
    position: relative;
}

.fdc-student-empty {
    text-align: center;
    padding: 100px 20px;
    color: var(--fdc-text-2);
    max-width: 500px;
    margin: 0 auto;
}

.fdc-student-empty-icon { font-size: 72px; margin-bottom: 20px; opacity: 0.4; }
.fdc-student-empty h3 { font-size: 22px; color: var(--fdc-text); margin: 0 0 10px; font-weight: 700; }
.fdc-student-empty p { margin: 0 0 24px; font-size: 16px; }

.fdc-student-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
    padding: 48px 40px 80px;
    max-width: 1320px;
    margin: 0 auto;
}

.fdc-student-card {
    background: var(--fdc-white);
    border: 1px solid var(--fdc-border);
    border-radius: var(--fdc-radius-lg);
    overflow: hidden;
    box-shadow: var(--fdc-shadow-sm);
    transition: var(--fdc-transition);
}

.fdc-student-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--fdc-shadow-lg);
}

.fdc-student-card-thumb {
    height: 180px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--fdc-dark-2), var(--fdc-dark-3));
}

.fdc-student-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.fdc-student-card-body {
    padding: 24px;
}

.fdc-student-card-body h3 {
    font-size: 19px;
    font-weight: 700;
    margin: 0 0 16px;
    letter-spacing: -0.01em;
}

.fdc-student-card-body .fdc-progress-bar {
    margin-bottom: 10px;
}

.fdc-student-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 500;
    color: var(--fdc-text-2);
    margin-bottom: 20px;
}

.fdc-student-card-btn {
    display: block;
    text-align: center;
    padding: 14px;
    background: var(--fdc-primary);
    color: var(--fdc-white) !important;
    border-radius: var(--fdc-radius-pill);
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    font-family: var(--fdc-font);
    transition: var(--fdc-transition);
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

.fdc-student-card-btn:hover {
    background: var(--fdc-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
    color: var(--fdc-white) !important;
}

/* ═══════════════════════════════════════════
   LESSON VIEWER
   ═══════════════════════════════════════════ */

.fdc-lesson-wrap {
    min-height: 100vh;
    background: var(--fdc-white);
    font-family: var(--fdc-font);
}

.fdc-lesson-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    background: var(--fdc-dark);
    color: var(--fdc-white);
    position: sticky;
    top: 0;
    z-index: 50;
}

.fdc-lesson-back {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--fdc-transition);
}

.fdc-lesson-back:hover { color: var(--fdc-white); }

.fdc-lesson-progress-mini {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
}

.fdc-lesson-progress-mini .fdc-progress-bar {
    width: 120px;
    background: rgba(255,255,255,0.15);
}

.fdc-lesson-layout {
    display: flex;
    min-height: calc(100vh - 56px);
}

/* Lesson sidebar — dark Kajabi style */
.fdc-lesson-sidebar {
    width: 320px;
    background: var(--fdc-dark);
    padding: 0;
    overflow-y: auto;
    flex-shrink: 0;
    border-right: none;
}

.fdc-lesson-sidebar h3 {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.35);
    padding: 24px 24px 12px;
    margin: 0;
}

.fdc-lesson-sidebar-module { margin-bottom: 0; }

.fdc-lesson-sidebar-module-title {
    font-size: 13px;
    font-weight: 700;
    padding: 14px 24px;
    color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.04);
    border-top: 1px solid rgba(255,255,255,0.06);
    letter-spacing: 0.01em;
}

.fdc-lesson-sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.fdc-lesson-sidebar-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px 12px 32px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--fdc-transition);
    border-left: 3px solid transparent;
}

.fdc-lesson-sidebar-list li:hover { background: rgba(255,255,255,0.04); }

.fdc-lesson-sidebar-list li.active {
    background: rgba(108, 92, 231, 0.15);
    border-left-color: var(--fdc-primary);
}

.fdc-lesson-sidebar-list li.completed .fdc-sidebar-check { color: var(--fdc-success); }

.fdc-sidebar-check {
    font-size: 12px;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: rgba(255,255,255,0.25);
}

.fdc-lesson-sidebar-list a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    transition: var(--fdc-transition);
}

.fdc-lesson-sidebar-list li:hover a { color: rgba(255,255,255,0.9); }
.fdc-lesson-sidebar-list li.active a { color: var(--fdc-white); font-weight: 600; }

/* Lesson main content */
.fdc-lesson-main {
    flex: 1;
    max-width: 820px;
    margin: 0 auto;
    padding: 48px 48px 100px;
}

.fdc-lesson-breadcrumb {
    font-size: 12px;
    font-weight: 700;
    color: var(--fdc-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.fdc-lesson-title {
    font-size: 32px;
    font-weight: 800;
    margin: 0 0 32px;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--fdc-text);
}

.fdc-lesson-video {
    margin-bottom: 40px;
    border-radius: var(--fdc-radius-lg);
    overflow: hidden;
    background: #000;
    box-shadow: var(--fdc-shadow-lg);
}

.fdc-lesson-video iframe {
    width: 100%;
    aspect-ratio: 16/9;
    display: block;
    border: 0;
}

.fdc-lesson-content {
    font-size: 17px;
    line-height: 1.85;
    color: var(--fdc-text);
    margin-bottom: 40px;
}

.fdc-lesson-content p { margin: 0 0 20px; }
.fdc-lesson-content h2 { font-size: 24px; font-weight: 800; margin: 40px 0 16px; letter-spacing: -0.02em; }
.fdc-lesson-content h3 { font-size: 20px; font-weight: 700; margin: 32px 0 12px; }
.fdc-lesson-content ul,
.fdc-lesson-content ol { margin: 0 0 20px 24px; }
.fdc-lesson-content img { max-width: 100%; height: auto; border-radius: var(--fdc-radius); }

/* Mark Complete */
.fdc-lesson-actions {
    margin-bottom: 40px;
    padding: 32px 0;
    border-top: 1px solid var(--fdc-border);
    border-bottom: 1px solid var(--fdc-border);
    text-align: center;
}

.fdc-mark-complete-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    background: var(--fdc-white);
    border: 2px solid var(--fdc-border);
    border-radius: var(--fdc-radius-pill);
    font-size: 16px;
    font-weight: 700;
    font-family: var(--fdc-font);
    cursor: pointer;
    transition: var(--fdc-transition);
    color: var(--fdc-text);
}

.fdc-mark-complete-btn:hover {
    border-color: var(--fdc-success);
    color: var(--fdc-success);
    background: var(--fdc-success-light);
}

.fdc-mark-complete-btn.completed {
    background: var(--fdc-success);
    border-color: var(--fdc-success);
    color: var(--fdc-white);
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.3);
}

.fdc-check-icon { font-size: 18px; }

/* Prev / Next */
.fdc-lesson-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.fdc-lesson-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    border: 1px solid var(--fdc-border);
    border-radius: var(--fdc-radius);
    text-decoration: none;
    color: var(--fdc-text);
    font-size: 14px;
    font-weight: 600;
    transition: var(--fdc-transition);
    max-width: 48%;
    background: var(--fdc-white);
}

.fdc-lesson-nav-btn:hover {
    border-color: var(--fdc-primary);
    color: var(--fdc-primary);
    box-shadow: var(--fdc-shadow-sm);
}

.fdc-lesson-nav-btn span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fdc-lesson-error {
    text-align: center;
    padding: 100px 20px;
}

.fdc-lesson-error h2 { font-size: 28px; font-weight: 800; margin: 0 0 10px; }
.fdc-lesson-error p { color: var(--fdc-text-2); margin: 0 0 24px; font-size: 16px; }
.fdc-lesson-error a { color: var(--fdc-primary); font-weight: 600; }

/* ═══════════════════════════════════════════
   AUDIO PLAYER
   ═══════════════════════════════════════════ */

.fdc-lesson-audio {
    margin: 0 0 32px;
}

.fdc-audio-player {
    background: linear-gradient(135deg, var(--fdc-dark), var(--fdc-dark-2));
    border-radius: var(--fdc-radius);
    padding: 32px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.fdc-audio-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.fdc-audio-player audio {
    width: 100%;
    height: 44px;
    border-radius: 8px;
}

/* ═══════════════════════════════════════════
   DOWNLOADS
   ═══════════════════════════════════════════ */

.fdc-lesson-downloads {
    margin: 32px 0;
    padding: 28px;
    background: var(--fdc-bg);
    border-radius: var(--fdc-radius);
    border: 1px solid var(--fdc-border);
}

.fdc-lesson-downloads h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--fdc-text);
}

.fdc-downloads-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fdc-download-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--fdc-white);
    border: 1px solid var(--fdc-border);
    border-radius: 10px;
    text-decoration: none;
    color: var(--fdc-text);
    transition: var(--fdc-transition);
}

.fdc-download-card:hover {
    border-color: var(--fdc-primary);
    box-shadow: var(--fdc-shadow-sm);
    transform: translateY(-1px);
}

.fdc-download-card-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.fdc-download-card-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.fdc-download-card-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--fdc-text);
}

.fdc-download-card-size {
    font-size: 12px;
    color: var(--fdc-text-3);
}

.fdc-download-card-action {
    font-size: 22px;
    color: var(--fdc-primary);
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   QUIZ
   ═══════════════════════════════════════════ */

.fdc-quiz-container {
    margin: 0 0 32px;
}

.fdc-quiz-question {
    background: var(--fdc-white);
    border: 1px solid var(--fdc-border);
    border-radius: var(--fdc-radius);
    padding: 28px;
    margin-bottom: 20px;
}

.fdc-quiz-q-number {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--fdc-primary);
    margin-bottom: 8px;
}

.fdc-quiz-q-text {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 20px;
    color: var(--fdc-text);
    line-height: 1.4;
}

.fdc-quiz-options-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.fdc-quiz-option-label {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border: 2px solid var(--fdc-border);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--fdc-transition);
    font-size: 15px;
    color: var(--fdc-text);
}

.fdc-quiz-option-label:hover {
    border-color: var(--fdc-primary-light);
    background: var(--fdc-primary-glow);
}

.fdc-quiz-option-label input[type="radio"] {
    accent-color: var(--fdc-primary);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.fdc-quiz-option-label.correct {
    border-color: var(--fdc-success);
    background: var(--fdc-success-light);
}

.fdc-quiz-option-label.incorrect {
    border-color: var(--fdc-danger);
    background: rgba(225, 112, 85, 0.08);
}

.fdc-quiz-feedback {
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
}

.fdc-quiz-feedback.correct {
    background: var(--fdc-success-light);
    color: var(--fdc-success);
}

.fdc-quiz-feedback.incorrect {
    background: rgba(225, 112, 85, 0.08);
    color: var(--fdc-danger);
}

.fdc-quiz-actions {
    text-align: center;
    padding: 8px 0;
}

.fdc-quiz-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 40px;
    background: linear-gradient(135deg, var(--fdc-primary), var(--fdc-primary-dark));
    color: var(--fdc-white);
    border: none;
    border-radius: var(--fdc-radius-pill);
    font-family: var(--fdc-font);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--fdc-transition);
}

.fdc-quiz-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(108, 92, 231, 0.3);
}

.fdc-quiz-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.fdc-quiz-score {
    margin-top: 20px;
    padding: 20px 28px;
    background: var(--fdc-bg);
    border-radius: var(--fdc-radius);
    font-size: 18px;
    font-weight: 700;
    color: var(--fdc-text);
}

.fdc-quiz-score.passed {
    background: var(--fdc-success-light);
    color: var(--fdc-success);
}

.fdc-quiz-score.failed {
    background: rgba(225, 112, 85, 0.08);
    color: var(--fdc-danger);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */

@media (max-width: 1024px) {
    .fdc-course-hero { padding: 60px 32px; gap: 40px; }
    .fdc-course-hero h1 { font-size: 34px; }
    .fdc-course-hero-image { flex: 0 0 340px; }
    .fdc-course-body { padding: 48px 32px; gap: 32px; }
    .fdc-course-sidebar { flex: 0 0 300px; }
}

@media (max-width: 768px) {
    .fdc-catalog-header { padding: 60px 24px 50px; }
    .fdc-catalog-header h1 { font-size: 32px; }
    .fdc-catalog-grid { grid-template-columns: 1fr; padding: 32px 20px 60px; gap: 20px; }
    .fdc-catalog-filters { padding: 20px; gap: 8px; }

    .fdc-course-hero { flex-direction: column; padding: 48px 24px; gap: 32px; }
    .fdc-course-hero h1 { font-size: 30px; }
    .fdc-course-hero-image { flex: none; width: 100%; }
    .fdc-course-body { flex-direction: column; padding: 32px 20px 60px; }
    .fdc-course-sidebar { flex: none; width: 100%; }
    .fdc-course-cta { flex-direction: column; align-items: flex-start; gap: 12px; }
    .fdc-course-price-hero { font-size: 28px; }
    .fdc-btn-hero { width: 100%; justify-content: center; }

    .fdc-student-header { padding: 48px 24px 40px; }
    .fdc-student-header h1 { font-size: 28px; }
    .fdc-student-grid { grid-template-columns: 1fr; padding: 32px 20px 60px; }

    .fdc-lesson-layout { flex-direction: column; }
    .fdc-lesson-sidebar {
        width: 100%;
        max-height: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    .fdc-lesson-main { padding: 32px 20px 80px; }
    .fdc-lesson-title { font-size: 26px; }
    .fdc-lesson-nav { flex-direction: column; }
    .fdc-lesson-nav-btn { max-width: 100%; }
}