/* ============================================================
   LMS MODULE - VendSoli
   World-class Learning Management System Styles
   ============================================================ */

:root {
    --lms-primary: #6c63ff;
    --lms-secondary: #f50057;
    --lms-success: #00c853;
    --lms-warning: #ffab00;
    --lms-info: #00b0ff;
    --lms-dark: #1a1a2e;
    --lms-card-bg: var(--card-bg, #ffffff);
    --lms-border: var(--border-color, #e0e0e0);
    --lms-text: var(--text-primary, #333333);
    --lms-text-muted: var(--text-secondary, #666666);
    --lms-radius: 12px;
    --lms-shadow: 0 4px 20px rgba(0,0,0,0.08);
    --lms-shadow-hover: 0 8px 30px rgba(108,99,255,0.15);
}

/* ── Layout ── */
.lms-container { max-width: 1200px; margin: 0 auto; padding: 0 16px 80px; }

.lms-header {
    background: linear-gradient(135deg, var(--lms-primary) 0%, #a855f7 100%);
    color: #fff;
    padding: 28px 20px 20px;
    margin-bottom: 20px;
}
.lms-header h1 { font-size: 1.5rem; font-weight: 700; margin: 0 0 4px; }
.lms-header p { font-size: 0.875rem; opacity: 0.85; margin: 0; }
.lms-header-stats { display: flex; gap: 20px; margin-top: 16px; flex-wrap: wrap; }
.lms-header-stat { text-align: center; }
.lms-header-stat .value { font-size: 1.4rem; font-weight: 700; }
.lms-header-stat .label { font-size: 0.75rem; opacity: 0.8; }

/* ── Tabs ── */
.lms-tabs {
    display: flex;
    overflow-x: auto;
    background: var(--lms-card-bg);
    border-bottom: 2px solid var(--lms-border);
    margin-bottom: 20px;
    scrollbar-width: none;
    position: sticky;
    top: 56px;
    z-index: 100;
}
.lms-tabs::-webkit-scrollbar { display: none; }
.lms-tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 12px 18px;
    border: none;
    background: none;
    color: var(--lms-text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}
.lms-tab-btn i { font-size: 1.1rem; }
.lms-tab-btn.active, .lms-tab-btn:hover {
    color: var(--lms-primary);
    border-bottom-color: var(--lms-primary);
}

/* ── Tab Panels ── */
.lms-panel { display: none; }
.lms-panel.active { display: block; }

/* ── Search & Filters ── */
.lms-search-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.lms-search-input {
    flex: 1;
    min-width: 200px;
    padding: 10px 16px 10px 40px;
    border: 1.5px solid var(--lms-border);
    border-radius: 25px;
    font-size: 0.9rem;
    background: var(--lms-card-bg);
    color: var(--lms-text);
    outline: none;
    transition: border-color 0.2s;
}
.lms-search-input:focus { border-color: var(--lms-primary); }
.lms-search-wrap { position: relative; flex: 1; }
.lms-search-wrap i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--lms-text-muted); }
.lms-filter-select {
    padding: 10px 14px;
    border: 1.5px solid var(--lms-border);
    border-radius: 25px;
    font-size: 0.85rem;
    background: var(--lms-card-bg);
    color: var(--lms-text);
    cursor: pointer;
    outline: none;
}

/* ── Category Pills ── */
.lms-categories {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 16px;
    scrollbar-width: none;
}
.lms-categories::-webkit-scrollbar { display: none; }
.lms-cat-pill {
    padding: 6px 16px;
    border-radius: 20px;
    border: 1.5px solid var(--lms-border);
    background: var(--lms-card-bg);
    color: var(--lms-text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}
.lms-cat-pill.active, .lms-cat-pill:hover {
    background: var(--lms-primary);
    border-color: var(--lms-primary);
    color: #fff;
}


/* ── Catalog Toolbar ── */
.lms-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.lms-cat-dropdown-wrap {
    position: relative;
    flex: 0 0 auto;
}
.lms-cat-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 14px;
    border-radius: 10px;
    border: 1.5px solid var(--lms-border);
    background: var(--lms-card-bg);
    color: var(--lms-text);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    min-width: 160px;
}
.lms-cat-dropdown-btn:hover {
    border-color: var(--lms-primary);
    color: var(--lms-primary);
}
.lms-cat-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 320px;
    background: var(--lms-card-bg);
    border: 1.5px solid var(--lms-border);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 300;
    padding: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.lms-cat-dropdown-menu .lms-cat-pill {
    flex: 0 0 auto;
}
/* Search inside toolbar */
.lms-toolbar .lms-search-wrap {
    flex: 1 1 180px;
    min-width: 0;
}
.lms-toolbar .lms-filter-select {
    flex: 0 0 auto;
}
/* Mobile: stack search below cat+filters */
@media (max-width: 600px) {
    .lms-toolbar {
        flex-wrap: wrap;
    }
    .lms-toolbar .lms-search-wrap {
        flex: 1 1 100%;
        order: 2;
    }
    .lms-cat-dropdown-wrap {
        flex: 1 1 auto;
        order: 1;
    }
    .lms-toolbar .lms-filter-select {
        flex: 1 1 auto;
        order: 1;
    }
    .lms-cat-dropdown-menu {
        min-width: 260px;
    }
}
/* ── Course Grid ── */
.lms-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

/* ── Course Card ── */
.lms-course-card {
    background: var(--lms-card-bg);
    border-radius: var(--lms-radius);
    box-shadow: var(--lms-shadow);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--lms-border);
}
.lms-course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--lms-shadow-hover);
}
.lms-course-thumb {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--lms-primary), #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #fff;
}
.lms-course-thumb img { width: 100%; height: 100%; object-fit: cover; }
.lms-course-body { padding: 14px; }
.lms-course-category {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--lms-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.lms-course-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--lms-text);
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.lms-course-instructor {
    font-size: 0.8rem;
    color: var(--lms-text-muted);
    margin-bottom: 8px;
}
.lms-course-meta {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--lms-text-muted);
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.lms-course-meta i { color: var(--lms-primary); margin-right: 3px; }
.lms-course-rating { display: flex; align-items: center; gap: 4px; }
.lms-stars { color: var(--lms-warning); font-size: 0.75rem; }
.lms-course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 10px;
    border-top: 1px solid var(--lms-border);
}
.lms-course-price { font-size: 1.1rem; font-weight: 700; color: var(--lms-primary); }
.lms-course-price.free { color: var(--lms-success); }
.lms-level-badge {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 10px;
    font-weight: 600;
    text-transform: capitalize;
}
.lms-level-badge.beginner { background: #e8f5e9; color: #2e7d32; }
.lms-level-badge.intermediate { background: #fff3e0; color: #e65100; }
.lms-level-badge.advanced { background: #fce4ec; color: #c62828; }
.lms-level-badge.all-levels { background: #e3f2fd; color: #1565c0; }

/* ── Featured Banner ── */
.lms-featured-banner {
    background: linear-gradient(135deg, var(--lms-primary) 0%, #a855f7 100%);
    border-radius: var(--lms-radius);
    padding: 24px;
    color: #fff;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.lms-featured-banner h2 { font-size: 1.2rem; font-weight: 700; margin: 0 0 6px; }
.lms-featured-banner p { font-size: 0.85rem; opacity: 0.9; margin: 0; }
.lms-featured-banner .lms-btn { background: #fff; color: var(--lms-primary); }

/* ── Buttons ── */
.lms-btn {
    padding: 10px 20px;
    border-radius: 25px;
    border: none;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}
.lms-btn-primary { background: var(--lms-primary); color: #fff; }
.lms-btn-primary:hover { background: #5a52d5; }
.lms-btn-success { background: var(--lms-success); color: #fff; }
.lms-btn-outline {
    background: transparent;
    border: 2px solid var(--lms-primary);
    color: var(--lms-primary);
}
.lms-btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.lms-btn-block { width: 100%; justify-content: center; }

/* ── Course Detail Modal ── */
.lms-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
}
.lms-modal-overlay.active { display: flex; align-items: flex-start; justify-content: center; }
.lms-modal {
    background: var(--lms-card-bg);
    border-radius: var(--lms-radius);
    width: 100%;
    max-width: 720px;
    margin: auto;
    overflow: hidden;
    animation: lmsModalIn 0.25s ease;
}
@keyframes lmsModalIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.lms-modal-header {
    background: linear-gradient(135deg, var(--lms-primary), #a855f7);
    color: #fff;
    padding: 20px;
    position: relative;
}
.lms-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lms-modal-body { padding: 20px; }
.lms-modal-section { margin-bottom: 20px; }
.lms-modal-section h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 10px; color: var(--lms-text); }
.lms-objectives-list { list-style: none; padding: 0; }
.lms-objectives-list li { padding: 4px 0; font-size: 0.875rem; color: var(--lms-text-muted); }
.lms-objectives-list li::before { content: "✓ "; color: var(--lms-success); font-weight: 700; }

/* ── My Learning ── */
.lms-enrolled-card {
    background: var(--lms-card-bg);
    border-radius: var(--lms-radius);
    box-shadow: var(--lms-shadow);
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    gap: 14px;
    align-items: center;
    cursor: pointer;
    transition: box-shadow 0.2s;
    border: 1px solid var(--lms-border);
}
.lms-enrolled-card:hover { box-shadow: var(--lms-shadow-hover); }
.lms-enrolled-thumb {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--lms-primary), #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    flex-shrink: 0;
}
.lms-enrolled-info { flex: 1; min-width: 0; }
.lms-enrolled-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--lms-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}
.lms-enrolled-instructor { font-size: 0.78rem; color: var(--lms-text-muted); margin-bottom: 8px; }
.lms-progress-bar-wrap { background: var(--lms-border); border-radius: 10px; height: 6px; margin-bottom: 4px; }
.lms-progress-bar { height: 6px; border-radius: 10px; background: var(--lms-primary); transition: width 0.3s; }
.lms-progress-label { font-size: 0.75rem; color: var(--lms-text-muted); }
.lms-continue-btn {
    padding: 8px 16px;
    background: var(--lms-primary);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── Course Viewer ── */
.lms-viewer { display: none; position: fixed; inset: 0; background: var(--lms-card-bg); z-index: 500; overflow-y: auto; }
.lms-viewer.active { display: block; }
.lms-viewer-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--lms-dark);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 10;
}
.lms-viewer-back { background: none; border: none; color: #fff; font-size: 1.2rem; cursor: pointer; }
.lms-viewer-title { flex: 1; font-size: 0.95rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lms-viewer-progress { font-size: 0.8rem; color: rgba(255,255,255,0.7); }
.lms-viewer-content { display: flex; flex-direction: column; }
.lms-lesson-video {
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 3rem;
}
.lms-lesson-video iframe, .lms-lesson-video video { width: 100%; height: 100%; }
.lms-lesson-body { padding: 16px; }
.lms-lesson-body h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.lms-lesson-body p { font-size: 0.875rem; color: var(--lms-text-muted); line-height: 1.6; }
.lms-lesson-nav { display: flex; gap: 10px; margin-top: 16px; }
.lms-curriculum { padding: 16px; border-top: 1px solid var(--lms-border); }
.lms-section-title {
    font-size: 0.9rem;
    font-weight: 700;
    padding: 10px 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.lms-lesson-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--lms-text);
    transition: background 0.15s;
}
.lms-lesson-item:hover, .lms-lesson-item.active { background: rgba(108,99,255,0.08); }
.lms-lesson-item.completed .lms-lesson-icon { color: var(--lms-success); }
.lms-lesson-icon { color: var(--lms-text-muted); font-size: 0.9rem; flex-shrink: 0; }
.lms-lesson-duration { margin-left: auto; font-size: 0.75rem; color: var(--lms-text-muted); }

/* ── Certificates ── */
.lms-cert-card {
    background: linear-gradient(135deg, #fff9c4, #fff3e0);
    border: 2px solid var(--lms-warning);
    border-radius: var(--lms-radius);
    padding: 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.lms-cert-icon { font-size: 2.5rem; color: var(--lms-warning); }
.lms-cert-info h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.lms-cert-info p { font-size: 0.8rem; color: var(--lms-text-muted); margin: 0; }
.lms-cert-actions { margin-left: auto; display: flex; gap: 8px; }

/* ── Premium Gate ── */
.lms-premium-gate {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #f3f0ff, #fce4ec);
    border-radius: var(--lms-radius);
    margin: 20px 0;
}
.lms-premium-gate i { font-size: 3rem; color: var(--lms-primary); margin-bottom: 16px; }
.lms-premium-gate h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.lms-premium-gate p { color: var(--lms-text-muted); margin-bottom: 20px; font-size: 0.9rem; }

/* ── Stats Cards ── */
.lms-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}
.lms-stat-card {
    background: var(--lms-card-bg);
    border-radius: var(--lms-radius);
    padding: 16px;
    box-shadow: var(--lms-shadow);
    border: 1px solid var(--lms-border);
    text-align: center;
}
.lms-stat-card .stat-value { font-size: 1.6rem; font-weight: 700; color: var(--lms-primary); }
.lms-stat-card .stat-label { font-size: 0.75rem; color: var(--lms-text-muted); margin-top: 4px; }

/* ── Wishlist ── */
.lms-wishlist-card {
    background: var(--lms-card-bg);
    border-radius: var(--lms-radius);
    box-shadow: var(--lms-shadow);
    padding: 14px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--lms-border);
}
.lms-wishlist-remove {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--lms-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px;
}

/* ── Empty State ── */
.lms-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--lms-text-muted);
}
.lms-empty i { font-size: 3rem; margin-bottom: 12px; opacity: 0.4; }
.lms-empty h3 { font-size: 1rem; margin-bottom: 6px; color: var(--lms-text); }
.lms-empty p { font-size: 0.85rem; }

/* ── Loading Spinner ── */
.lms-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}
.lms-spinner::after {
    content: '';
    width: 36px;
    height: 36px;
    border: 3px solid var(--lms-border);
    border-top-color: var(--lms-primary);
    border-radius: 50%;
    animation: lmsSpin 0.7s linear infinite;
}
@keyframes lmsSpin { to { transform: rotate(360deg); } }

/* ── Toast ── */
.lms-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--lms-dark);
    color: #fff;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.875rem;
    z-index: 9999;
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
}
.lms-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.lms-toast.success { background: var(--lms-success); }
.lms-toast.error { background: var(--lms-secondary); }

/* ── Review Stars ── */
.lms-review-stars { display: flex; gap: 4px; margin-bottom: 10px; }
.lms-review-stars i { font-size: 1.4rem; color: var(--lms-border); cursor: pointer; transition: color 0.15s; }
.lms-review-stars i.active, .lms-review-stars i:hover { color: var(--lms-warning); }

/* ── Instructor Panel ── */
.lms-instructor-banner {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    border-radius: var(--lms-radius);
    padding: 20px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.lms-instructor-banner i { font-size: 2rem; color: var(--lms-warning); }
.lms-instructor-banner h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.lms-instructor-banner p { font-size: 0.82rem; opacity: 0.8; margin: 0; }

/* ── Responsive ── */
@media (max-width: 480px) {
    .lms-course-grid { grid-template-columns: 1fr; }
    .lms-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .lms-featured-banner { flex-direction: column; }
    .lms-modal { margin: 0; border-radius: 0; min-height: 100vh; }
}