:root {
    /* Relive-style palette: dark teal + aqua accent */
    --relive-dark: #1A3A4A;
    --relive-dark-hover: #243d4d;
    --relive-accent: #00BCD4;
    --relive-accent-hover: #00acc1;
    --primary: #1A3A4A;
    --primary-dark: #132d3a;
    --accent: #00BCD4;
    --bg-soft: #F8FAFC;
    --text-main: #1E293B;
    --card-radius: 16px;
    --bs-primary: #1A3A4A;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text-main);
    background-color: var(--bg-soft);
    letter-spacing: -0.01em;
}

h1, h2 {
    font-weight: 700;
    color: #1E293B;
}

.brand-heading {
    letter-spacing: 0.03em;
}

.navbar-dental {
    background: var(--relive-dark);
    background-image: radial-gradient(circle at 20% 50%, rgba(0, 188, 212, 0.08) 0%, transparent 50%);
}

.navbar-dental .nav-link,
.navbar-dental .navbar-brand,
.navbar-dental .navbar-brand small {
    color: #fff;
}

.navbar-dental .nav-link.active,
.navbar-dental .nav-link:hover {
    color: var(--relive-accent);
}

/* Relive-style CTA in header */
.navbar-dental .btn-accent-teal {
    background-color: var(--relive-accent);
    border: none;
    color: #fff;
    font-weight: 600;
    border-radius: 6px;
    padding: 0.45rem 1.25rem;
}
.navbar-dental .btn-accent-teal:hover {
    background-color: var(--relive-accent-hover);
    color: #fff;
}

.navbar-logo-circle {
    width: 36px;
    height: 36px;
}

.navbar-logo-initial {
    color: var(--relive-dark);
    font-weight: 700;
}

.btn-primary-dental {
    background-color: var(--relive-accent);
    border-color: var(--relive-accent);
    border: none;
    border-radius: 6px;
    padding-inline: 1.5rem;
    padding-block: 0.55rem;
    font-weight: 600;
    color: #fff;
}
.btn-primary-dental:hover {
    background-color: var(--relive-accent-hover);
    border-color: var(--relive-accent-hover);
    color: #fff;
}

.btn-primary {
    background-color: var(--relive-accent);
    border-color: var(--relive-accent);
    border-radius: 6px;
}
.btn-primary:hover {
    background-color: var(--relive-accent-hover);
    border-color: var(--relive-accent-hover);
}
.btn-outline-primary {
    color: var(--relive-accent);
    border-color: var(--relive-accent);
    border-radius: 6px;
}
.btn-outline-primary:hover {
    background-color: rgba(0, 188, 212, 0.08);
    color: var(--relive-accent);
}

.btn-outline-light-dental {
    border-radius: 999px;
    border-width: 1.5px;
}

.card-dental {
    border: none;
    border-radius: var(--card-radius);
    background: #ffffff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease;
}

.card-dental:hover {
    transform: translateY(-5px);
}

.badge-topic {
    border-radius: 999px;
    background-color: rgba(11, 165, 164, 0.08);
    color: var(--primary-dark);
    font-weight: 500;
}

.hero-gradient {
    background: radial-gradient(circle at top left, #e0edff 0, #f8fafc 50%, #dbeafe 100%);
}

.hero-image-placeholder {
    border-radius: 28px;
    background: radial-gradient(circle at top left, #0D6EFD 0, #0b5ed7 35%, #38bdf8 70%, #0ea5e9 100%);
    box-shadow: 0 40px 120px rgba(15, 23, 42, 0.55);
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    background: radial-gradient(circle at 10% 0, rgba(248, 250, 252, 0.1) 0, transparent 60%),
    radial-gradient(circle at 90% 10%, rgba(248, 250, 252, 0.18) 0, transparent 55%);
}

.hero-pill {
    border-radius: 999px;
    background-color: rgba(37, 99, 235, 0.08);
    color: #1d4ed8;
    font-weight: 500;
    padding: 0.3rem 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.hero-pill-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), #f97316);
}

.hero-status-pill {
    background-color: rgba(15, 23, 42, 0.72);
}

.hero-floating-card {
    position: absolute;
    right: 1.5rem;
    bottom: 1.8rem;
    background-color: rgba(15, 23, 42, 0.86);
    color: #e5e7eb;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    backdrop-filter: blur(12px);
    font-size: 0.75rem;
}

.section-label {
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: #64748b;
    font-size: 0.78rem;
}

/* Player / lessons (legacy – kept for any other refs) */
.player-shell-bg {
    background-color: #f8fafc;
}

.player-sidebar {
    min-height: calc(100vh - 80px);
    background-color: #fff;
}

.lesson-list-scroll {
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.player-main {
    min-height: calc(100vh - 80px);
    background: #f8fafc;
}

.player-video-wrapper {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.lesson-btn {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    background-color: transparent;
    padding-left: 1rem;
    border: 0 !important;
    border-radius: 0;
}

.lesson-radio {
    width: 14px;
    height: 14px;
    border-radius: 999px;
    border: 2px solid #94a3b8;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.active-lesson .lesson-radio {
    border-color: var(--relive-accent);
    background: var(--relive-accent);
}

.active-lesson {
    background: rgba(0, 188, 212, 0.08);
    color: #1E293B;
}

.lesson-icon {
    font-size: 0.9rem;
    color: #94a3b8;
    margin-top: 0.1rem;
}

.active-lesson .lesson-icon {
    color: var(--relive-accent);
}

/* ========== Player new layout (reference design, our colors) ========== */
.player-layout {
    background: #f1f5f9;
    min-height: calc(100vh - 80px);
    padding: 0;
}

.player-container {
    display: flex;
    min-height: calc(100vh - 80px);
}

.player-sidebar-new {
    width: 320px;
    min-width: 320px;
    background: #fff;
    border-right: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
}

.player-sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #e2e8f0;
}

.player-sidebar-back {
    color: #64748b;
    font-size: 1.1rem;
    text-decoration: none;
}

.player-sidebar-back:hover {
    color: var(--relive-accent);
}

.player-sidebar-title {
    flex: 1;
    font-size: 1rem;
    font-weight: 700;
    color: #1E293B;
    margin: 0;
}

.player-sidebar-menu {
    color: #64748b;
    padding: 0.25rem;
    text-decoration: none;
}

.player-sidebar-menu:hover {
    color: #1E293B;
}

.player-lesson-list-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
}

.player-module {
    margin-bottom: 0.5rem;
}

.player-module-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: none;
    background: transparent;
    font-weight: 600;
    font-size: 0.9rem;
    color: #1E293B;
    text-align: left;
    cursor: pointer;
    border-radius: 8px;
}

.player-module-header:hover {
    background: #f8fafc;
}

.player-module-header.collapsed .player-module-expand-icon {
    transform: rotate(-90deg);
}

.player-module-header.disabled {
    cursor: default;
}

.player-module-check {
    color: var(--relive-accent);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.player-module-title-text {
    flex: 1;
}

.player-module-expand-icon {
    font-size: 0.7rem;
    color: #64748b;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.player-module-lessons {
    padding-left: 1.5rem;
    padding-top: 0.25rem;
    padding-bottom: 0.5rem;
    border-left: 1px solid #e2e8f0;
    margin-left: 0.5rem;
}

.player-lesson-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.5rem 0.5rem 0.5rem 0;
    border: none;
    background: transparent;
    font-size: 0.875rem;
    color: #475569;
    text-align: left;
    cursor: pointer;
    border-radius: 6px;
}

.player-lesson-item:hover {
    background: #f8fafc;
    color: #1E293B;
}

.player-lesson-item .player-lesson-check {
    display: none;
    color: var(--relive-accent);
    font-size: 0.75rem;
    flex-shrink: 0;
}

.player-lesson-item.active-lesson .player-lesson-check,
.player-lesson-item.lesson-completed .player-lesson-check {
    display: inline-block;
}

.player-lesson-radio {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid #cbd5e1;
    flex-shrink: 0;
}

.player-lesson-item.active-lesson .player-lesson-radio {
    border-color: var(--relive-accent);
    background: rgba(0, 188, 212, 0.2);
}

.player-lesson-name {
    flex: 1;
    min-width: 0;
}

.player-lesson-dur {
    font-size: 0.75rem;
    color: #94a3b8;
    flex-shrink: 0;
}

/* Player main (video + content) */
.player-main-new {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: #fff;
}

.player-video-section {
    padding: 1.5rem;
    background: #fff;
}

.player-video-wrap {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.player-video-el {
    width: 100%;
    display: block;
    background: #0f172a;
}

.player-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    transition: opacity 0.2s;
}

.player-video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.player-play-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: none;
    background: var(--relive-accent);
    color: #fff;
    font-size: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 188, 212, 0.4);
}

.player-play-btn:hover {
    background: var(--relive-accent-hover);
    color: #fff;
}

.player-video-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem 1rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.player-time-current,
.player-time-total {
    font-size: 0.8rem;
    color: #fff;
    flex-shrink: 0;
}

.player-progress-wrap {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    overflow: hidden;
}

.player-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--relive-accent);
    border-radius: 2px;
    transition: width 0.15s;
}

.player-mark-complete {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.4rem 0.9rem;
    border: none;
    border-radius: 8px;
    background: var(--relive-accent);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.player-mark-complete:hover {
    background: var(--relive-accent-hover);
    color: #fff;
}

.player-content-section {
    padding: 1.5rem 2rem 2rem;
    border-top: 1px solid #e2e8f0;
}

.player-tabs {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1.25rem;
    border-bottom: 1px solid #e2e8f0;
}

.player-tab a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: #64748b;
    text-decoration: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.player-tab a:hover {
    color: #1E293B;
}

.player-tab a.active {
    color: var(--relive-accent);
    font-weight: 600;
    border-bottom-color: var(--relive-accent);
}

.player-tab i {
    font-size: 1.1rem;
}

.player-lesson-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 1rem;
}

.player-lesson-body {
    font-size: 0.95rem;
    color: #475569;
    line-height: 1.6;
}

.player-lesson-body p {
    margin-bottom: 0.75rem;
}

@media (max-width: 767.98px) {
    .player-container {
        flex-direction: column;
    }
    .player-sidebar-new {
        width: 100%;
        min-width: 0;
        max-height: 40vh;
    }
}

.curriculum-card {
    border-radius: 24px;
}

.curriculum-timeline {
    position: relative;
    padding-left: 0.25rem;
    border-left: 1px dashed rgba(148, 163, 184, 0.6);
}

.curriculum-step {
    position: relative;
    padding-left: 1.75rem;
    padding-bottom: 1.2rem;
}

.curriculum-step:last-child {
    padding-bottom: 0;
}

.curriculum-step-header {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.curriculum-step-index {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: linear-gradient(135deg, #0ea5e9, #2563eb);
    color: #f9fafb;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.35);
    flex-shrink: 0;
    margin-left: -1.6rem;
}

.curriculum-step-body {
    border-radius: 14px;
    background: #f9fafb;
    border: 1px solid rgba(148, 163, 184, 0.35);
    overflow: hidden;
}

.curriculum-step + .curriculum-step {
    margin-top: 0.75rem;
}

.curriculum-step:hover .curriculum-step-body {
    border-color: rgba(37, 99, 235, 0.5);
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.12);
}

.module-header {
    padding: 0.6rem 1rem 0.4rem 1rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: .12em;
    border-top: 1px solid rgba(148, 163, 184, 0.45);
    color: #9ca3af;
    font-size: 0.72rem;
}

.module-header:first-of-type {
    border-top: none;
}

footer {
    background-color: var(--relive-dark);
    color: rgba(255, 255, 255, 0.85);
}
footer .btn-accent-teal {
    background-color: var(--relive-accent);
    border: none;
    color: #fff;
    font-weight: 600;
}
footer .btn-accent-teal:hover {
    background-color: var(--relive-accent-hover);
    color: #fff;
}

/* Dot pattern background (Relive-style) */
.bg-dots {
    background-image: radial-gradient(rgba(0, 0, 0, 0.06) 1px, transparent 1px);
    background-size: 24px 24px;
}
.bg-dots-dark {
    background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Home: hero on white */
.hero-relive {
    background-color: #fff;
    padding: 4rem 0 5rem;
}
.hero-relive .hero-heading-dark { color: #1E293B; }
.hero-relive .hero-heading-accent { color: var(--relive-accent); }
.hero-relive .hero-text { color: #475569; }
.hero-relive .btn-get-started {
    background-color: var(--relive-accent);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
}
.hero-relive .btn-get-started:hover {
    background-color: var(--relive-accent-hover);
    color: #fff;
}
.hero-relive .btn-learn-more {
    background: #fff;
    border: 2px solid var(--relive-accent);
    color: var(--relive-accent);
    font-weight: 600;
    padding: 0.5rem 1.35rem;
    border-radius: 6px;
}
.hero-relive .btn-learn-more:hover {
    background: rgba(0, 188, 212, 0.08);
    color: var(--relive-accent);
    border-color: var(--relive-accent);
}
.hero-image-wrap {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(26, 58, 74, 0.15);
}
.hero-review-snippet {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: #f8fafc;
    border-radius: 12px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
}
.hero-review-snippet .rating { color: #1E293B; font-weight: 600; }
.hero-review-snippet .text-muted { color: #64748b; font-size: 0.875rem; }

/* Home: stats bar dark teal */
.stats-bar-relive {
    background-color: var(--relive-dark);
    color: #fff;
    padding: 2.5rem 0;
}
.stats-bar-relive.bg-dots-dark { background-color: var(--relive-dark); }
.stat-number-relive {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.25rem;
}
.stat-label-relive {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
}

/* Home: feature blocks 2x2 */
.section-features-relive {
    padding: 4rem 0;
    background: #fff;
}
.section-features-relive .section-heading-dark { color: #1E293B; }
.section-features-relive .section-heading-accent { color: var(--relive-accent); }
.section-features-relive .feature-icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--relive-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.section-features-relive .feature-title { color: #1E293B; font-weight: 700; }
.section-features-relive .feature-desc { color: #475569; font-size: 0.95rem; }

/* Home: top courses section */
.section-courses-relive {
    padding: 4rem 0;
    background: linear-gradient(180deg, rgba(0, 188, 212, 0.08) 0%, #fff 35%);
}
.section-courses-relive .section-heading-dark { color: #1E293B; }
.section-courses-relive .section-heading-accent { color: var(--relive-accent); }
.section-courses-relive .btn-view-all {
    background-color: var(--relive-accent);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.55rem 1.5rem;
    border-radius: 6px;
}
.section-courses-relive .btn-view-all:hover {
    background-color: var(--relive-accent-hover);
    color: #fff;
}
.course-card-relive {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.course-card-relive:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
}
.course-card-relive .btn-enroll {
    background-color: #1E293B;
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
}
.course-card-relive .btn-enroll:hover {
    background-color: #334155;
    color: #fff;
}

/* Home: testimonial + CTA */
.section-testimonial-relive,
.section-cta-relive {
    padding: 4rem 0;
    background: #fff;
}
.section-cta-relive .btn-explore {
    background-color: #1E293B;
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
}
.section-cta-relive .btn-explore:hover {
    background-color: #334155;
    color: #fff;
}

.scroll-top-btn {
    right: 1.5rem;
    bottom: 1.5rem;
    display: none;
    z-index: 1030;
}

/* Image placeholders */
.hero-image-placeholder-inner,
.course-thumb-placeholder {
    background-color: #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 0.85rem;
}

.hero-image-placeholder-inner {
    height: 320px;
    border-radius: 20px;
}

.course-thumb-placeholder {
    height: 200px;
    border-radius: 16px 16px 0 0;
}

/* === Enhanced hero layout === */
.hero-gradient {
    background: radial-gradient(circle at top left, #e0edff 0, #f8fafc 45%, #e0f2fe 100%);
}

.hero-orbit {
    position: absolute;
    border-radius: 999px;
    filter: blur(40px);
    opacity: 0.45;
    pointer-events: none;
}

.hero-orbit-1 {
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.6), transparent);
    top: -80px;
    right: -40px;
}

.hero-orbit-2 {
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.5), transparent);
    bottom: -60px;
    left: -20px;
}

.glass-card {
    background: rgba(15, 23, 42, 0.88);
    border-radius: 20px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    backdrop-filter: blur(18px);
}

.glass-chip {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-radius: 999px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

.hero-dashboard-wrapper {
    max-width: 480px;
    position: relative;
}

.hero-dashboard {
    padding: 1.25rem;
}

.hero-video-preview {
    background-color: #e2e8f0;
    border-radius: 18px;
}

.progress-thin {
    height: 5px;
    border-radius: 999px;
    background-color: #e2e8f0;
}

.hero-lesson-list {
    background-color: rgba(15, 23, 42, 0.9);
}

.hero-lesson-list span {
    color: #e5e7eb;
}

.hero-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    display: inline-block;
}

.hero-floating {
    position: absolute;
    padding: 0.45rem 0.75rem;
    font-size: 0.7rem;
}

.hero-floating-top-left {
    top: -0.5rem;
    left: -0.5rem;
}

.hero-floating-bottom-left {
    bottom: -0.75rem;
    left: 2.5rem;
}

.hero-floating-top-right {
    top: 0;
    right: -0.5rem;
}

.hero-floating-bottom-right {
    bottom: -0.75rem;
    right: 0.75rem;
}

.hero-cta {
    box-shadow: 0 18px 40px rgba(15, 82, 186, 0.35);
}

/* === Course cards === */
.course-card-image-wrapper {
    border-radius: 16px 16px 0 0;
}

.course-card {
    border-radius: 18px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.2);
}

.course-thumb-placeholder {
    transition: transform 0.3s ease;
}

.course-card:hover .course-thumb-placeholder {
    transform: scale(1.04);
}

.course-pill-label {
    position: absolute;
    top: 0.9rem;
    left: 0.9rem;
    font-size: 0.7rem;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.86);
    color: #e5e7eb;
}

/* === Stats === */
.stat-card {
    border-radius: 999px;
    padding: 0.85rem 1rem;
    background-color: #ffffff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.stat-number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.1rem;
}

/* === Bento grid === */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: minmax(120px, auto);
    gap: 1rem;
}

.bento-item {
    padding: 1rem 1.2rem;
    border-radius: 18px;
    background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.35), rgba(15, 23, 42, 0.9));
    border: 1px solid rgba(148, 163, 184, 0.4);
}

.bento-large {
    grid-column: span 2;
    grid-row: span 2;
}

.bento-tall {
    grid-row: span 2;
}


/* Member account dashboard (sidebar + table) */
.member-account-shell {
    background-color: #ffffff;
}

.member-account-bar {
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 0.5rem;
}

.member-account-sidebar {
    background-color: #f3f4f6;
    border-right: 1px solid #e5e7eb;
    padding: 1.25rem 0.75rem;
}

.member-account-nav .nav-link {
    font-size: 0.9rem;
    color: #4b5563;
    padding: 0.45rem 0.75rem;
    border-radius: 0;
}

.member-account-nav .nav-link.active {
    font-weight: 600;
    background-color: #ffffff;
    border-left: 3px solid #111827;
}

.member-account-nav .nav-link:hover {
    background-color: #e5e7eb;
    color: #111827;
}

.member-account-panel {
    border-radius: 0;
    border-color: #e5e7eb;
}

.member-table thead th {
    font-size: 0.85rem;
    font-weight: 600;
    border-bottom-width: 1px;
}

.member-table tbody td {
    font-size: 0.85rem;
}

/* Scroll reveal */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-in {
    opacity: 1;
    transform: translateY(0);
}

/* Utility */
.max-w-xl {
    max-width: 32rem;
}

/* Courses page – light layout (home page colors) */
.courses-page-wrap {
    background-color: #f8fafc;
    min-height: 60vh;
    padding: 2rem 0 4rem;
}

.courses-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.courses-page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 0.25rem;
}

.courses-page-header .subtitle {
    font-size: 0.95rem;
    color: #64748b;
}

.courses-btn-new {
    background-color: var(--relive-dark);
    color: #fff;
    border: none;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.courses-btn-new:hover {
    background-color: var(--relive-dark-hover);
    color: #fff;
}

/* Filter bar: pills + grid/list toggle */
.courses-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.courses-filter-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.courses-filter-pill {
    padding: 0.4rem 1rem;
    border-radius: 999px;
    border: 1px solid #e2e8f0;
    background: #fff;
    color: #475569;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.courses-filter-pill:hover {
    background: #f1f5f9;
    color: #1E293B;
}

.courses-filter-pill.active {
    background-color: var(--relive-dark);
    border-color: var(--relive-dark);
    color: #fff;
}

.courses-view-toggle {
    display: flex;
    gap: 0.25rem;
}

.courses-view-toggle button {
    width: 36px;
    height: 36px;
    border: 1px solid #e2e8f0;
    background: #fff;
    border-radius: 8px;
    color: #64748b;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.courses-view-toggle button:hover {
    background: #f1f5f9;
    color: #1E293B;
}

.courses-view-toggle button.active {
    background: var(--relive-dark);
    border-color: var(--relive-dark);
    color: #fff;
}

/* Course cards – admin style */
.course-card-management {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.course-card-management:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

/* One aspect ratio for all breakpoints – use one image size (e.g. 1200×675) for mobile, tablet, desktop */
.course-card-management .card-illustration {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 0.85rem;
    position: relative;
    overflow: hidden;
}
.course-card-management .card-illustration img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.course-card-management .card-category-pill {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    border: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.95);
    color: #475569;
    font-size: 0.75rem;
    font-weight: 500;
}

.course-card-management .card-body {
    padding: 1rem 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card-management .card-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1E293B;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.course-card-management .card-meta {
    font-size: 0.8rem;
    color: #64748b;
    margin-bottom: 0.5rem;
}

.course-card-management .card-meta span + span::before {
    content: " · ";
    color: #94a3b8;
}

.course-card-management .status-pill {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: auto;
}

.course-card-management .status-pill-published {
    background-color: var(--relive-accent);
    color: #fff;
}

.course-card-management .status-pill-draft {
    background-color: #f1f5f9;
    color: #475569;
}

/* List view for courses */
.courses-grid.list-view > [class*="col-"] {
    flex: 0 0 100%;
    max-width: 100%;
}

.courses-grid.list-view .course-card-management {
    flex-direction: row;
}

.courses-grid.list-view .course-card-management .card-illustration {
    width: 200px;
    min-width: 200px;
    flex-shrink: 0;
    aspect-ratio: 16 / 9;
}

.courses-grid.list-view .course-card-management .card-body {
    flex: 1;
}

/* Course detail page */
.course-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background-color: #e5e7eb;
    font-size: 0.75rem;
    color: #475569;
}

.tab-pill {
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    background-color: #ffffff;
    font-size: 0.8rem;
    padding: 0.3rem 0.9rem;
    color: #475569;
}

.tab-pill-active {
    background-color: var(--relive-dark);
    border-color: var(--relive-dark);
    color: #fff;
    box-shadow: 0 10px 25px rgba(26, 58, 74, 0.25);
}

.course-hero-gradient {
    background: radial-gradient(circle at top left, #e0edff 0, #f8fafc 45%, #e0f2fe 100%);
}

/* Course hero – modern (gradient card + stats + instructor) */
.course-hero-modern {
    background: #f8fafc;
}

.course-hero-card {
    width: 100%;
    min-height: 200px;
    max-height: 280px;
}

.course-hero-card-inner {
    width: 100%;
    height: 100%;
    min-height: 200px;
    max-height: 280px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--relive-dark) 0%, #243d4d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 40px rgba(26, 58, 74, 0.25);
    overflow: hidden;
}

.course-hero-icon {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.9);
}

.course-hero-card-inner .course-hero-image {
    width: 100%;
    height: 100%;
    min-height: 200px;
    max-height: 280px;
    object-fit: cover;
    border-radius: 16px;
    display: block;
}

.course-hero-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1E293B;
}

.course-hero-desc {
    font-size: 0.95rem;
    color: #475569;
    line-height: 1.5;
}

.course-hero-stats {
    font-size: 0.875rem;
    color: #64748b;
}

.course-hero-stat-sep {
    margin: 0 0.5rem;
    color: #cbd5e1;
}

.btn-start-learning {
    background: #1E293B;
    color: #fff;
    border: none;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 8px;
    text-decoration: none;
}

.btn-start-learning:hover {
    background: #334155;
    color: #fff;
}

.btn-icon-hero {
    width: 40px;
    height: 40px;
    border: 1px solid #e2e8f0;
    background: #fff;
    border-radius: 8px;
    color: #64748b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-hero:hover {
    background: #f1f5f9;
    color: #1E293B;
}

.course-hero-instructor-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--relive-accent), #0097a7);
}

/* Course detail: wrap (light content area, left menu unchanged) */
.course-detail-section-wrap {
    background: #f1f5f9;
}

.course-detail-section-wrap .course-layout-main {
    flex: 1 1 auto;
    min-width: 0;
}

.course-content-fullwidth {
    width: 100%;
}

.course-content-block {
    background: #fff;
    border-radius: 16px;
    padding: 1.5rem 1.75rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.course-content-heading {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #1E293B;
    margin-bottom: 1.25rem;
}

/* Rich section content: tables, lists (course detail left menu panels) */
.course-section-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.75rem 0;
}
.course-section-body th,
.course-section-body td {
    border: 1px solid #e2e8f0;
    padding: 0.5rem 0.75rem;
    text-align: left;
}
.course-section-body th {
    background: #f1f5f9;
    font-weight: 600;
}
.course-section-body ul,
.course-section-body ol {
    margin: 0.5rem 0;
    padding-left: 1.25rem;
}
.course-section-body li {
    margin-bottom: 0.25rem;
}
.course-section-body h2,
.course-section-body h3,
.course-section-body h4 {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}
.course-section-body p {
    margin-bottom: 0.75rem;
}
.course-section-body p:last-child {
    margin-bottom: 0;
}

/* Curriculum – light accordion + lesson cards */
.curriculum-accordion-light .accordion-item {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 0.75rem;
    background: #fff;
    border: 1px solid #e2e8f0;
}

.curriculum-module-header {
    background: #f8fafc !important;
    color: #1E293B !important;
    padding: 0.9rem 1rem !important;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.curriculum-module-header:not(.collapsed) {
    background: #f1f5f9 !important;
    border-radius: 12px 12px 0 0;
}

.curriculum-module-header.accordion-button::after {
    display: none;
}

.curriculum-module-chevron {
    font-size: 0.75rem;
    color: #64748b;
    transition: transform 0.2s;
}

.curriculum-module-header:not(.collapsed) .curriculum-module-chevron {
    transform: rotate(180deg);
}

.curriculum-module-title {
    flex: 1;
}

.curriculum-module-ongoing {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: var(--relive-accent);
    color: #fff;
}

.curriculum-module-lock {
    color: #94a3b8;
    font-size: 0.9rem;
}

.curriculum-module-desc {
    font-size: 0.875rem;
    color: #64748b;
    margin-bottom: 0.5rem;
}

.curriculum-lesson-cards {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.curriculum-lesson-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    background: #fff;
    color: #1E293B;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.curriculum-lesson-card:hover {
    background: #f8fafc;
    border-color: var(--relive-accent);
    color: #1E293B;
}

.curriculum-lesson-card.active {
    border-color: var(--relive-accent);
    box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.2);
    background: #f0fdfa;
}

.curriculum-lesson-card-title {
    font-size: 0.9rem;
    font-weight: 500;
}

.curriculum-lesson-preview {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--relive-accent);
}

.curriculum-lesson-duration {
    font-size: 0.75rem;
    color: #64748b;
}

.glass-card-light {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.10);
    backdrop-filter: blur(18px);
}

.course-layout {
    gap: 1.5rem;
}

.course-layout-main {
    flex: 1 1 auto;
}

.course-layout-aside {
    width: 100%;
    max-width: 360px;
}

.faculty-panel-left {
    background: var(--relive-dark);
    color: rgba(255, 255, 255, 0.9);
}

.certificate-placeholder {
    border-radius: 18px;
    border: 1px dashed #cbd5f5;
    background: linear-gradient(135deg, #f9fafb, #e5edff);
    height: 220px;
}

/* Course detail: dark section (home page colors) */
.course-detail-section-dark {
    background-color: var(--relive-dark);
    color: rgba(255, 255, 255, 0.9);
}

.course-detail-section-dark .course-layout-main {
    background: transparent;
}

.course-detail-section-dark .card-dental {
    background: rgba(255, 255, 255, 0.96);
    color: #1E293B;
}

/* Curriculum: dark content block */
.curriculum-content-dark {
    margin-bottom: 1.5rem;
}

.curriculum-content-subtitle {
    font-size: 0.9rem;
    color: var(--relive-accent);
    margin-bottom: 0.25rem;
}

.curriculum-content-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.curriculum-content-meta {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.25rem;
}

/* Curriculum accordion – dark theme */
.curriculum-accordion-dark .accordion-item {
    border: 0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
}

.curriculum-accordion-dark .accordion-item + .accordion-item {
    margin-top: 0.5rem;
}

.curriculum-section-header {
    background-color: #f9fafb;
    color: #0f172a;
    padding: 0.75rem 1rem;
    border-radius: 12px 12px 0 0;
}

.curriculum-section-header-dark {
    background: rgba(0, 0, 0, 0.25) !important;
    color: #fff !important;
    border: none;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.curriculum-section-header-dark.collapsed {
    background: rgba(0, 0, 0, 0.35) !important;
}

.curriculum-section-header-dark:not(.collapsed) {
    background: rgba(0, 0, 0, 0.2) !important;
    border-radius: 10px 10px 0 0;
}

.curriculum-section-header-dark .accordion-chevron {
    font-size: 0.75rem;
    transition: transform 0.2s;
}

.curriculum-section-header-dark:not(.collapsed) .accordion-chevron {
    transform: rotate(180deg);
}

.curriculum-section-header-dark:focus {
    box-shadow: none;
}

.curriculum-section-header-dark.accordion-button::after {
    display: none;
}

.curriculum-accordion-dark .accordion-collapse {
    background: rgba(0, 0, 0, 0.15);
}

.curriculum-accordion-dark .accordion-body {
    padding: 0;
    border-radius: 0 0 10px 10px;
}

.curriculum-lesson-row-dark {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    font-size: 0.875rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.9);
}

.curriculum-lesson-row-dark:hover {
    background: rgba(255, 255, 255, 0.04);
}

.lesson-icon-dark {
    color: var(--relive-accent);
    font-size: 0.85rem;
}

.lesson-title-dark {
    color: rgba(255, 255, 255, 0.95);
}

.curriculum-lesson-row-dark .lesson-duration-dark {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.lesson-preview-pill-dark {
    font-size: 0.75rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background-color: var(--relive-dark);
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.lesson-preview-pill-dark:hover {
    background-color: var(--relive-dark-hover);
    color: #fff;
}

.lesson-preview-pill {
    font-size: 0.7rem;
    padding: 0.1rem 0.6rem;
    border-radius: 999px;
    background-color: var(--relive-dark);
    color: #fff;
}

/* Course detail: left menu */
.course-detail-leftmenu {
    min-width: 180px;
}

.course-detail-leftmenu-inner {
    background: var(--relive-dark);
    border-radius: 16px;
    padding: 1.25rem 1.2rem;
    color: #e5e7eb;
}

.leftmenu-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #ffffff;
}

.leftmenu-link {
    display: flex;
    align-items: center;
    width: 100%;
    border: 0;
    background: transparent;
    color: #e5e7eb;
    font-size: 0.8rem;
    padding: 0.35rem 0;
    text-align: left;
}

.leftmenu-link i {
    font-size: 0.9rem;
    color: #9ca3af;
}

.leftmenu-link.active {
    font-weight: 600;
    color: var(--relive-accent);
}

.leftmenu-link.active i {
    color: var(--relive-accent);
}

/* Admin course edit: same layout as course detail page (left menu + form sections) */
.admin-course-detail-form-layout {
    align-items: flex-start;
}
.admin-course-detail-menu {
    flex-shrink: 0;
    min-width: 200px;
}
.admin-course-detail-menu .leftmenu-link {
    text-decoration: none;
    cursor: pointer;
    border-radius: 8px;
    padding: 0.4rem 0.5rem;
}
.admin-course-detail-menu .leftmenu-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}
.admin-course-detail-fields {
    min-width: 0;
}

@media (max-width: 991.98px) {
    .course-detail-leftmenu {
        order: -1;
        margin-bottom: 1.5rem;
    }
    .admin-course-detail-menu {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 991.98px) {
    .bento-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 575.98px) {
    .bento-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
}