/* ============================================================
   MOG Learning Center -- Shared Styles
   ============================================================ */

/* ─── Variables ───────────────────────────────────────────── */
:root {
    --plum: #21203a;
    --plum-80: rgba(33,32,58,.8);
    --plum-60: rgba(33,32,58,.6);
    --plum-20: rgba(33,32,58,.2);
    --plum-light: #2d2c4a;
    --plum-lighter: #393860;
    --fuchsia: #f44b94;
    --fuchsia-hover: #e03580;
    --fuchsia-10: rgba(244,75,148,0.1);
    --fuchsia-20: rgba(244,75,148,0.2);
    --gray: #666666;
    --gray-light: #f4f0ed;
    --gray-lighter: #f9f8f6;
    --white: #ffffff;
    --green: #34d399;
    --green-dark: #059669;
    --red: #ef4444;
    --yellow: #fbbf24;
    --font-head: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-drama: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-pill: 9999px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --sidebar-width: 320px;
    --topbar-height: 56px;
}

/* ─── Reset ───────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--plum);
    background: var(--gray-light);
    line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

::selection { background: var(--fuchsia-20); }

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    line-height: 1.3;
}

.btn-primary {
    background: var(--fuchsia);
    color: var(--white);
    border-color: var(--fuchsia);
}
.btn-primary:hover {
    background: var(--fuchsia-hover);
    border-color: var(--fuchsia-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--fuchsia);
    border-color: var(--fuchsia);
}
.btn-outline:hover {
    background: var(--fuchsia);
    color: var(--white);
}

.btn-outline-sm {
    background: transparent;
    color: var(--fuchsia);
    border: 1px solid var(--fuchsia);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: var(--radius-pill);
}
.btn-outline-sm:hover {
    background: var(--fuchsia);
    color: var(--white);
}

.btn-full { width: 100%; }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.8rem; border-radius: var(--radius-sm); }
.btn-danger { background: var(--red); color: var(--white); border-color: var(--red); }
.btn-danger:hover { background: #dc2626; }

/* ─── Badges ──────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-pill);
}
.badge-success { background: rgba(52,211,153,0.15); color: var(--green-dark); }
.badge-muted { background: var(--plum-20); color: var(--gray); }
.badge-lg { font-size: 0.95rem; padding: 0.5rem 1.25rem; }

/* ─── Alerts ──────────────────────────────────────────────── */
.alert {
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}
.alert a { color: inherit; text-decoration: underline; }
.alert-error { background: rgba(239,68,68,0.1); color: var(--red); border: 1px solid rgba(239,68,68,0.2); }
.alert-success { background: rgba(52,211,153,0.1); color: var(--green-dark); border: 1px solid rgba(52,211,153,0.2); }

/* ─── Forms ───────────────────────────────────────────────── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    color: var(--plum);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid rgba(33,32,58,0.12);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--white);
    color: var(--plum);
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--fuchsia);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(33,32,58,0.35);
}

.form-row { display: flex; align-items: center; justify-content: space-between; }

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
    width: auto;
    accent-color: var(--fuchsia);
}

/* ─── Progress Bars ───────────────────────────────────────── */
.progress-bar-container {
    margin: 0.75rem 0;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(33,32,58,0.08);
    border-radius: var(--radius-pill);
    overflow: hidden;
}

.progress-bar-lg { height: 12px; }
.progress-bar-sm { height: 6px; }

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--fuchsia), #f472b6);
    border-radius: var(--radius-pill);
    transition: width 0.5s ease;
    min-width: 0;
}

.progress-text {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 0.35rem;
}


/* ============================================================
   AUTH PAGES (Login / Register)
   ============================================================ */
.auth-page {
    background: var(--plum);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.auth-logo-img {
    height: 48px;
    width: auto;
}

.auth-card h1 {
    font-family: var(--font-drama);
    font-size: 1.6rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.35rem;
    color: var(--plum);
}

.auth-subtitle {
    text-align: center;
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 1.75rem;
}

.auth-form {
    margin-top: 0.5rem;
}

.auth-form .btn {
    margin-top: 0.5rem;
}

.auth-footer-text {
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 1.5rem;
}
.auth-footer-text a { color: var(--fuchsia); font-weight: 600; }
.auth-footer-text a:hover { text-decoration: underline; }


/* ============================================================
   LMS NAVIGATION
   ============================================================ */
.lms-nav {
    background: var(--plum);
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.lms-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
}

.lms-nav-logo img {
    height: 32px;
    width: auto;
}

.lms-nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.9rem;
}

.lms-nav-links a {
    color: rgba(255,255,255,0.7);
    transition: color 0.3s;
}
.lms-nav-links a:hover,
.lms-nav-links a.active { color: var(--white); }

.lms-nav-user {
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

.lms-nav-logout {
    color: rgba(255,255,255,0.5) !important;
}
.lms-nav-logout:hover {
    color: var(--fuchsia) !important;
}

/* ─── LMS Footer ──────────────────────────────────────────── */
.lms-footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.8rem;
    color: var(--gray);
    border-top: 1px solid rgba(33,32,58,0.08);
    margin-top: auto;
}


/* ============================================================
   DASHBOARD
   ============================================================ */
.lms-body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.dashboard-main {
    flex: 1;
    padding: 2rem;
}

.dashboard-container {
    max-width: 1000px;
    margin: 0 auto;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-family: var(--font-drama);
    font-size: 2rem;
    font-weight: 700;
    color: var(--plum);
}

.dashboard-subtitle {
    color: var(--gray);
    font-size: 1rem;
    margin-top: 0.25rem;
}

.dashboard-section {
    margin-bottom: 2.5rem;
}

.dashboard-section h2 {
    font-family: var(--font-head);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--plum);
}

/* ─── Course Cards ────────────────────────────────────────── */
.course-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.course-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}
.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.course-card-image {
    height: 180px;
    overflow: hidden;
    background: var(--plum);
}
.course-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-card-body {
    padding: 1.5rem;
}

.course-card-body h3 {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.course-card-desc {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.course-card-price {
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--fuchsia);
    margin-bottom: 1rem;
}

.course-card-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

/* ─── Empty State ─────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state h2 {
    font-family: var(--font-drama);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray);
    font-size: 1rem;
    margin-bottom: 2rem;
}


/* ============================================================
   COURSE PAGE
   ============================================================ */
.course-page {
    flex: 1;
}

.course-hero {
    background: var(--plum);
    color: var(--white);
    padding: 4rem 2rem 3rem;
}

.course-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 3rem;
    align-items: center;
}

.course-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--fuchsia);
    margin-bottom: 0.75rem;
}

.course-hero-content h1 {
    font-family: var(--font-drama);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.course-description {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.course-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.course-meta-item {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}

.course-progress {
    margin-bottom: 1.5rem;
}

.course-progress .progress-bar {
    background: rgba(255,255,255,0.15);
}

.course-progress .progress-text {
    color: rgba(255,255,255,0.6);
}

.course-price-box {
    margin-bottom: 1.5rem;
}

.course-price {
    font-family: var(--font-head);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
}

.course-price-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    margin-top: 0.25rem;
}

.course-hero-image {
    border-radius: var(--radius);
    overflow: hidden;
}

.course-hero-image img {
    width: 100%;
    border-radius: var(--radius);
}

/* ─── Syllabus ────────────────────────────────────────────── */
.course-syllabus {
    padding: 3rem 2rem;
}

.syllabus-container {
    max-width: 800px;
    margin: 0 auto;
}

.course-syllabus h2 {
    font-family: var(--font-drama);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--plum);
}

.module-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.module-item {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    transition: background 0.2s;
}
.module-header:hover { background: var(--gray-lighter); }

.module-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.module-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--fuchsia-10);
    color: var(--fuchsia);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.module-title {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 600;
    color: var(--plum);
}

.module-lesson-count {
    font-size: 0.8rem;
    color: var(--gray);
}

.module-toggle {
    font-size: 1.2rem;
    color: var(--gray);
    transition: transform 0.3s;
}

.module-item.open .module-toggle {
    transform: rotate(180deg);
}

.module-lessons {
    display: none;
    border-top: 1px solid rgba(33,32,58,0.06);
}

.module-item.open .module-lessons {
    display: block;
}

.lesson-row {
    border-bottom: 1px solid rgba(33,32,58,0.04);
}
.lesson-row:last-child { border-bottom: none; }

.lesson-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.5rem 0.85rem 3.5rem;
    transition: background 0.2s;
    cursor: pointer;
}

a.lesson-link:hover { background: var(--fuchsia-10); }

.lesson-locked {
    opacity: 0.5;
    cursor: default;
}

.lesson-icon {
    width: 24px;
    text-align: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.lesson-row.complete .lesson-icon {
    color: var(--green-dark);
    font-weight: 700;
}

.lesson-title {
    font-size: 0.9rem;
    color: var(--plum);
}


/* ============================================================
   LESSON PLAYER PAGE
   ============================================================ */
.lesson-page {
    background: var(--gray-lighter);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ─── Topbar ──────────────────────────────────────────────── */
.lesson-topbar {
    background: var(--plum);
    height: var(--topbar-height);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.lesson-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 1.25rem;
}

.lesson-topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    padding: 4px;
}

.sidebar-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
    transition: background 0.3s;
}

.sidebar-toggle:hover span { background: var(--white); }

.lesson-course-link {
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    transition: color 0.3s;
}
.lesson-course-link:hover { color: var(--white); }

.lesson-topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-progress {
    width: 120px;
    background: rgba(255,255,255,0.35) !important;
    height: 8px;
}

.topbar-progress .progress-fill { background: var(--fuchsia); }

.topbar-progress-text {
    color: rgba(255,255,255,0.6);
    font-size: 0.8rem;
    font-weight: 600;
}

.topbar-link {
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    transition: color 0.3s;
}
.topbar-link:hover { color: var(--white); }

/* ─── Lesson Layout ───────────────────────────────────────── */
.lesson-layout {
    display: flex;
    margin-top: var(--topbar-height);
    min-height: calc(100vh - var(--topbar-height));
}

/* ─── Sidebar ─────────────────────────────────────────────── */
.lesson-sidebar {
    width: var(--sidebar-width);
    background: var(--plum);
    color: var(--white);
    overflow-y: auto;
    flex-shrink: 0;
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    z-index: 900;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.25rem 1.25rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-header h3 {
    font-family: var(--font-head);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.75rem;
}

.sidebar-progress .progress-bar {
    background: rgba(255,255,255,0.12);
    height: 6px;
}

.sidebar-progress .progress-text {
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
}

.sidebar-modules {
    padding: 0.5rem 0;
}

.sidebar-module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    cursor: pointer;
    transition: background 0.2s;
}
.sidebar-module-header:hover { background: rgba(255,255,255,0.05); }

.sidebar-module-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    flex: 1;
}

.sidebar-module-toggle {
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
    transition: transform 0.3s;
}

.sidebar-module.open .sidebar-module-toggle {
    transform: rotate(180deg);
}

.sidebar-lessons {
    display: none;
}

.sidebar-module.open .sidebar-lessons {
    display: block;
}

.sidebar-lesson {
    border: none;
}

.sidebar-lesson a,
.sidebar-lesson-locked {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.25rem 0.6rem 2rem;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.55);
    transition: all 0.2s;
}

.sidebar-lesson a:hover {
    background: rgba(255,255,255,0.08);
    color: var(--white);
}

.sidebar-lesson.current a {
    background: var(--fuchsia);
    color: var(--white);
    font-weight: 600;
}

.sidebar-lesson.complete a {
    color: var(--green);
}

.sidebar-lesson-icon {
    width: 18px;
    text-align: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.sidebar-lesson-locked {
    opacity: 0.35;
    cursor: default;
}

/* ─── Main Content ────────────────────────────────────────── */
.lesson-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    background: var(--white);
    min-height: calc(100vh - var(--topbar-height));
}

.lesson-content-inner {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 2.5rem 3rem;
}

.lesson-breadcrumb {
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 0.75rem;
}

.breadcrumb-sep {
    margin: 0 0.4rem;
    color: rgba(33,32,58,0.3);
}

.lesson-title {
    font-family: var(--font-drama);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--plum);
    margin-bottom: 1.5rem;
    line-height: 1.25;
}

/* ─── Video ───────────────────────────────────────────────── */
.video-wrapper {
    margin-bottom: 2rem;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    box-shadow: var(--shadow);
}

.video-wrapper video {
    width: 100%;
    display: block;
    border-radius: var(--radius);
}

/* ─── Lesson Text ─────────────────────────────────────────── */
.lesson-text {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--plum);
    margin-bottom: 2rem;
}

.lesson-text p { margin-bottom: 1rem; }
.lesson-text h3 { font-size: 1.15rem; margin: 1.5rem 0 0.75rem; font-weight: 700; }
.lesson-text a { color: var(--fuchsia); text-decoration: underline; }
.lesson-text a:hover { color: var(--fuchsia-hover); }
.lesson-text strong, .lesson-text b { font-weight: 700; }
.lesson-text em, .lesson-text i { font-style: italic; }
.lesson-text ul, .lesson-text ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.lesson-text li { margin-bottom: 0.35rem; }

/* ─── Exercise Files ──────────────────────────────────────── */
.exercise-files {
    background: var(--gray-lighter);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid rgba(33,32,58,0.06);
}

.exercise-files h3 {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--plum);
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--white);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(33,32,58,0.06);
    transition: all 0.2s;
    text-decoration: none;
}
.file-item:hover {
    border-color: var(--fuchsia);
    box-shadow: 0 2px 8px rgba(244,75,148,0.1);
}

.file-icon { font-size: 1.2rem; flex-shrink: 0; }

.file-name {
    flex: 1;
    font-size: 0.9rem;
    color: var(--plum);
    font-weight: 500;
}

.file-download {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--fuchsia);
    white-space: nowrap;
}

/* ─── Lesson Actions ──────────────────────────────────────── */
.lesson-actions {
    text-align: center;
    margin: 2rem 0;
}

.mark-complete-btn {
    min-width: 220px;
}

/* ─── Lesson Navigation ───────────────────────────────────── */
.lesson-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(33,32,58,0.08);
}

.lesson-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--gray-lighter);
    border-radius: var(--radius);
    transition: all 0.3s;
    text-decoration: none;
    max-width: 48%;
    border: 1px solid transparent;
}

.lesson-nav-btn:hover:not(.locked) {
    background: var(--fuchsia-10);
    border-color: var(--fuchsia-20);
}

.lesson-nav-btn.locked {
    opacity: 0.4;
    cursor: default;
}

.nav-arrow {
    font-size: 1.25rem;
    color: var(--fuchsia);
    flex-shrink: 0;
}

.nav-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray);
    font-weight: 600;
}

.nav-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--plum);
    line-height: 1.3;
}

.lesson-nav-btn.next {
    text-align: right;
    margin-left: auto;
}

/* ─── Sidebar Overlay (Mobile) ────────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 899;
}

.sidebar-overlay.active { display: block; }

/* Hide toggle + overlay on wide screens where sidebar is always visible */
@media (min-width: 1025px) {
    .sidebar-toggle { display: none; }
    .sidebar-overlay { display: none !important; }
}


/* ============================================================
   CHECKOUT PAGE
   ============================================================ */
.checkout-main {
    flex: 1;
    padding: 3rem 2rem;
    display: flex;
    justify-content: center;
}

.checkout-container {
    max-width: 560px;
    width: 100%;
}

.checkout-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.checkout-card h1 {
    font-family: var(--font-drama);
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 2rem;
}

.order-summary {
    background: var(--gray-lighter);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.order-summary h2 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--plum);
}

.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(33,32,58,0.08);
    margin-bottom: 1rem;
}

.order-item-name { font-size: 0.9rem; color: var(--plum); flex: 1; }
.order-item-price { font-weight: 700; color: var(--plum); font-size: 1.1rem; }

.order-total {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--plum);
    margin-bottom: 1rem;
}

.order-includes {
    padding-left: 0;
}

.order-includes li {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 0.35rem;
}

.stripe-placeholder {
    text-align: center;
    padding: 1.5rem;
    background: var(--fuchsia-10);
    border: 2px dashed var(--fuchsia-20);
    border-radius: var(--radius-sm);
    margin-bottom: 2rem;
}

.stripe-notice {
    font-weight: 700;
    color: var(--fuchsia);
    margin-bottom: 0.5rem;
}

.stripe-placeholder a { color: var(--fuchsia); text-decoration: underline; }

.enrollment-request {
    border-top: 1px solid rgba(33,32,58,0.08);
    padding-top: 1.5rem;
}

.enrollment-request h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}


/* ============================================================
   ADMIN PANEL
   ============================================================ */
.admin-auth .auth-card {
    background: var(--plum-light);
    border: 1px solid rgba(255,255,255,0.1);
}
.admin-auth .auth-card h1,
.admin-auth .auth-subtitle { color: var(--white); }
.admin-auth .auth-subtitle { color: rgba(255,255,255,0.5); }
.admin-auth .form-group label { color: rgba(255,255,255,0.7); }
.admin-auth .form-group input {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.12);
    color: var(--white);
}
.admin-auth .form-group input:focus { border-color: var(--fuchsia); }

.admin-body {
    background: var(--plum);
    color: var(--white);
    min-height: 100vh;
}

.admin-nav {
    background: rgba(0,0,0,0.2);
    padding: 0 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.admin-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
}

.admin-nav-title {
    font-weight: 700;
    font-size: 1rem;
}

.admin-nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.85rem;
}

.admin-nav-links a {
    color: rgba(255,255,255,0.55);
    transition: color 0.3s;
}
.admin-nav-links a:hover,
.admin-nav-links a.active { color: var(--white); }

.admin-logout { color: rgba(255,255,255,0.35) !important; }
.admin-logout:hover { color: var(--fuchsia) !important; }

.admin-main {
    padding: 2rem;
}

.admin-container {
    max-width: 1100px;
    margin: 0 auto;
}

.admin-container h1 {
    font-family: var(--font-head);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.admin-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.admin-header-row h1 { margin-bottom: 0; }

.admin-breadcrumb {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    margin-top: 0.25rem;
}
.admin-breadcrumb a { color: var(--fuchsia); }
.admin-breadcrumb a:hover { text-decoration: underline; }

/* ─── Admin Stats ─────────────────────────────────────────── */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--plum-light);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--fuchsia);
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.25rem;
}

/* ─── Admin Sections & Forms ──────────────────────────────── */
.admin-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.admin-section h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.admin-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.admin-form .form-group label { color: rgba(255,255,255,0.7); }
.admin-form .form-group input,
.admin-form .form-group textarea,
.admin-form .form-group select {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.1);
    color: var(--white);
}
.admin-form .form-group input:focus,
.admin-form .form-group textarea:focus,
.admin-form .form-group select:focus {
    border-color: var(--fuchsia);
}
.admin-form .form-group input::placeholder,
.admin-form .form-group textarea::placeholder {
    color: rgba(255,255,255,0.25);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.form-row-inline {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.form-row-inline input { flex: 1; }

/* ─── Admin Tables ────────────────────────────────────────── */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    font-size: 0.9rem;
}

.admin-table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.45);
    font-weight: 600;
}

.admin-table td {
    color: rgba(255,255,255,0.8);
}

.admin-table code {
    font-size: 0.8rem;
    background: rgba(255,255,255,0.06);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
}

.admin-table-compact th,
.admin-table-compact td {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
}

.actions-cell {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.empty-message {
    color: rgba(255,255,255,0.5);
    font-size: 0.95rem;
    padding: 2rem 0;
}
.empty-message a { color: var(--fuchsia); text-decoration: underline; }

.empty-message-sm {
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
    padding: 0.75rem 1rem;
}

/* ─── Admin Module Card ───────────────────────────────────── */
.admin-module-card {
    background: var(--plum-light);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.admin-module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.module-title-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
}
.module-title-input:focus {
    outline: none;
    border-color: var(--fuchsia);
}

.inline-form {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.inline-add-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.75rem;
}

.inline-add-form input {
    flex: 1;
    padding: 0.45rem 0.75rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.85rem;
}
.inline-add-form input:focus {
    outline: none;
    border-color: var(--fuchsia);
}
.inline-add-form input::placeholder {
    color: rgba(255,255,255,0.25);
}

.add-module-form {
    margin-top: 1.5rem;
    padding: 1rem;
    border: 2px dashed rgba(255,255,255,0.1);
    border-radius: var(--radius);
}

.file-link-truncate {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
    vertical-align: middle;
    color: var(--fuchsia);
}
.file-link-truncate:hover { text-decoration: underline; }

/* ─── Student Enrollment Card ─────────────────────────────── */
.student-info {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}
.student-info p { margin-bottom: 0.35rem; }

.student-enrollment-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--plum-light);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 0.75rem;
}

.student-enrollment-info { flex: 1; }
.student-enrollment-info h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.enrollment-meta {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    margin-top: 0.35rem;
}

/* Admin forms select styling */
.admin-body select {
    padding: 0.5rem 0.75rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.85rem;
}
.admin-body select:focus {
    outline: none;
    border-color: var(--fuchsia);
}
.admin-body select option {
    background: var(--plum);
    color: var(--white);
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .course-hero-inner {
        grid-template-columns: 1fr;
    }
    .course-hero-image { display: none; }
}

@media (max-width: 1024px) {
    /* Sidebar hidden by default on smaller screens */
    .lesson-sidebar {
        transform: translateX(-100%);
    }
    .lesson-sidebar.open {
        transform: translateX(0);
    }

    .lesson-content {
        margin-left: 0;
    }

    .lesson-content-inner {
        padding: 1.5rem;
    }

    .lesson-title { font-size: 1.35rem; }

    .lesson-nav {
        flex-direction: column;
    }
    .lesson-nav-btn { max-width: 100%; }
    .lesson-nav-btn.next { margin-left: 0; }

    .topbar-progress { display: none; }
    .topbar-progress-text { display: none; }

    .course-cards {
        grid-template-columns: 1fr;
    }

    .form-row-2,
    .form-row-3 {
        grid-template-columns: 1fr;
    }

    .admin-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .admin-module-header {
        flex-direction: column;
        align-items: stretch;
    }

    .admin-table {
        font-size: 0.8rem;
    }
    .admin-table th,
    .admin-table td {
        padding: 0.5rem 0.5rem;
    }

    .admin-nav-inner {
        flex-direction: column;
        height: auto;
        padding: 0.75rem 0;
        gap: 0.5rem;
    }

    .admin-nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .lms-nav-links {
        gap: 0.75rem;
        font-size: 0.8rem;
    }

    .student-enrollment-card {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .auth-card { padding: 1.75rem; }
    .checkout-card { padding: 1.75rem; }

    .dashboard-header h1 { font-size: 1.5rem; }

    .course-hero {
        padding: 2.5rem 1.25rem 2rem;
    }
    .course-hero-content h1 { font-size: 1.5rem; }
    .course-price { font-size: 2rem; }
}

/* Admin inline form inputs (Students, etc.) */
.inline-add-form input[type="text"],
.inline-add-form input[type="email"],
.inline-add-form input[type="password"],
.inline-add-form input[type="number"],
.inline-form input[type="text"],
.inline-form input[type="email"],
.inline-form input[type="password"] {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    color: #fff;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}
.inline-add-form input:focus,
.inline-form input:focus {
    border-color: #f44b94;
}
.inline-add-form input::placeholder,
.inline-form input::placeholder {
    color: rgba(255,255,255,0.35);
}
/* Global admin input dark theme override.
   SCOPED to the dark admin chrome only (.admin-body / .admin-auth / .admin-section).
   These were previously selected as bare `body input[...]` with !important, which
   also hit the LIGHT student auth cards (login.php, register.php, checkout.php --
   body.auth-page / body.lms-body) and rendered white text on a white field,
   making typed email/password invisible. 2026-09-09. */
.admin-section input[type="text"],
.admin-section input[type="email"],
.admin-section input[type="password"],
.admin-section input[type="number"],
.admin-section input[type="url"],
.admin-section input[type="tel"],
.admin-section textarea,
.admin-section select,
.admin-body input[type="text"],
.admin-body input[type="email"],
.admin-body input[type="password"],
.admin-body input[type="number"],
.admin-auth input[type="text"],
.admin-auth input[type="email"],
.admin-auth input[type="password"],
.admin-auth input[type="number"] {
    background: rgba(255,255,255,0.06) !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
    color: #fff !important;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
}
.admin-body input:focus,
.admin-body textarea:focus,
.admin-body select:focus,
.admin-auth input:focus,
.admin-auth textarea:focus,
.admin-auth select:focus {
    border-color: #f44b94 !important;
    outline: none;
}
.admin-body input::placeholder,
.admin-body textarea::placeholder,
.admin-auth input::placeholder,
.admin-auth textarea::placeholder {
    color: rgba(255,255,255,0.35) !important;
}

/* Belt-and-braces: student-facing light cards always get dark text on white. */
.auth-page .form-group input,
.lms-body .form-group input,
.auth-page .form-group textarea,
.lms-body .form-group textarea {
    background: var(--white);
    color: var(--plum);
}
.auth-page .form-group input::placeholder,
.lms-body .form-group input::placeholder {
    color: rgba(33,32,58,0.35);
}