/* Premium Glassmorphic Design System for Education Platform */

:root {
    --edu-bg: #f3f4f6;
    --edu-card-bg: rgba(255, 255, 255, 0.85);
    --edu-card-border: rgba(139, 92, 246, 0.12);
    --edu-primary: #6d28d9;
    /* Deep violet for light mode readability */
    --edu-primary-hover: #7c3aed;
    --edu-accent: #2563eb;
    /* Strong blue */
    --edu-text: #1f2937;
    --edu-text-muted: #4b5563;
    --edu-glass-glow: rgba(109, 40, 217, 0.08);
    --edu-font: 'Outfit', 'Inter', sans-serif;
}

[data-theme="dark"] {
    --edu-bg: #0b0f19;
    --edu-card-bg: rgba(17, 24, 39, 0.7);
    --edu-card-border: rgba(255, 255, 255, 0.08);
    --edu-primary: #8b5cf6;
    /* Vibrant violet */
    --edu-primary-hover: #a78bfa;
    --edu-accent: #3b82f6;
    /* Premium blue */
    --edu-text: #f3f4f6;
    --edu-text-muted: #9ca3af;
    --edu-glass-glow: rgba(139, 92, 246, 0.15);
}

/* Color Presets */
[data-preset="teal"] {
    --edu-primary: #0d9488;
    --edu-primary-hover: #14b8a6;
    --edu-accent: #06b6d4;
    --edu-glass-glow: rgba(13, 148, 136, 0.15);
}

[data-preset="slate"] {
    --edu-primary: #475569;
    --edu-primary-hover: #64748b;
    --edu-accent: #6366f1;
    --edu-glass-glow: rgba(99, 102, 241, 0.15);
}

[data-preset="emerald"] {
    --edu-primary: #059669;
    --edu-primary-hover: #10b981;
    --edu-accent: #10b981;
    --edu-glass-glow: rgba(16, 185, 129, 0.15);
}

body {
    background-color: var(--edu-bg);
    color: var(--edu-text);
    font-family: var(--edu-font);
    background-image:
        radial-gradient(at 10% 20%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(59, 130, 246, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
    color: var(--edu-text);
    transition: color 0.3s ease;
}

/* Flat Panel utility */
.glass-panel {
    background: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    border-radius: 12px;
    box-shadow: none !important;
    transition: background 0.2s ease;
}

[data-theme="dark"] .glass-panel {
    box-shadow: none !important;
}

/* Course Catalog Container */
.edu-catalog {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

/* Catalog Title */
.catalog-title {
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--edu-text) 30%, var(--edu-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
}

/* Course Card styling */
.course-card {
    transition: background 0.2s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.course-card:hover,
.edu-course-card:hover,
.edu-info-card:hover,
.instructor-card:hover,
.lesson-item:hover {
    cursor: pointer;
    box-shadow: none !important;
    border-color: var(--edu-card-border) !important;
    background-color: rgba(139, 92, 246, 0.04);
}

.course-card-body {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.course-code {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--edu-primary);
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.course-title a {
    color: var(--edu-text);
    transition: color 0.2s ease;
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.course-title a:hover {
    color: var(--edu-primary-hover);
}

.course-description {
    color: var(--edu-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.course-meta {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--edu-card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.course-tag {
    background: rgba(139, 92, 246, 0.1);
    color: var(--edu-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 600;
    border: 1px solid rgba(139, 92, 246, 0.15);
}

.course-level {
    color: var(--edu-text-muted);
    font-weight: 500;
}

/* Badge & Utility Spacing Fixes */
.gap-1\.5 {
    gap: 0.375rem !important;
}

.edu-pill-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4em 0.75em;
    border-radius: 9999px;
}

.edu-pill-badge i {
    margin-inline-end: 0.35rem;
}

/* Premium Button style */
.btn-edu {
    background: linear-gradient(135deg, var(--edu-primary) 0%, var(--edu-accent) 100%);
    color: #ffffff !important;
    border: none;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-edu:hover {
    opacity: 0.95;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

/* Detail view styling */
.course-hero {
    position: relative;
    padding: 5rem 0;
    border-bottom: 1px solid var(--edu-card-border);
}

.course-hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.syllabus-section {
    max-width: 900px;
    margin: 4rem auto;
    padding: 0 1.5rem;
}

.syllabus-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.syllabus-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--edu-primary);
    border-radius: 2px;
}

.lesson-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.lesson-item {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.lesson-item:hover {
    background: rgba(139, 92, 246, 0.05);
}

.lesson-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lesson-number {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--edu-primary);
    background: rgba(139, 92, 246, 0.1);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.lesson-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.lesson-duration {
    color: var(--edu-text-muted);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* Custom Navigation Menu overrides */
.edu-nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.edu-nav-link {
    color: var(--edu-text-muted);
    font-weight: 500;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.edu-nav-link:hover,
.edu-nav-link.active {
    color: var(--edu-primary);
}

.edu-dropdown {
    position: relative;
}

.edu-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    backdrop-filter: blur(12px);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 180px;
    display: none;
    list-style: none;
    margin: 0;
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .edu-dropdown-menu {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.edu-dropdown:hover .edu-dropdown-menu {
    display: block;
}

.edu-dropdown-menu .edu-nav-link {
    display: block;
    padding: 0.5rem 1rem;
}

.edu-dropdown-menu .edu-nav-link:hover {
    background: rgba(139, 92, 246, 0.1);
}

/* Header UI Components */
.edu-navbar {
    background: var(--edu-card-bg);
    border-bottom: 1px solid var(--edu-card-border) !important;
}

.edu-brand {
    color: var(--edu-text) !important;
}

.edu-brand i {
    color: var(--edu-primary);
}

/* Premium Buttons */
.edu-btn-outline {
    background: transparent;
    color: var(--edu-text);
    border: 1px solid var(--edu-card-border);
    transition: all 0.2s ease;
}

.edu-btn-outline:hover {
    background: var(--edu-primary);
    color: #ffffff !important;
    border-color: var(--edu-primary);
}

/* Language Dropdown List overrides */
.edu-dropdown-menu-list {
    background: var(--edu-card-bg) !important;
    border: 1px solid var(--edu-card-border) !important;
    backdrop-filter: blur(12px);
}

.edu-dropdown-menu-list .dropdown-item {
    color: var(--edu-text) !important;
    transition: background 0.2s ease, color 0.2s ease;
}

.edu-dropdown-menu-list .dropdown-item:hover,
.edu-dropdown-menu-list .dropdown-item.active {
    background: var(--edu-primary) !important;
    color: #ffffff !important;
}

/* Premium Adaptive Light/Dark Mode classes overrides for legacy inline styles */
[data-theme="light"] .text-white,
[data-theme="light"] .text-white-50,
[data-theme="light"] .hover-glow {
    color: var(--edu-text) !important;
}

[data-theme="light"] .detail-hero,
[data-theme="light"] .instructor-card {
    background: var(--edu-card-bg) !important;
    border-color: var(--edu-card-border) !important;
}

[data-theme="light"] .text-muted,
[data-theme="light"] .text-white-50 {
    color: var(--edu-text-muted) !important;
}

.text-muted {
    color: var(--edu-text-muted) !important;
}

/* Premium Form Control Glassmorphic styles */
.form-control {
    background-color: var(--edu-card-bg) !important;
    border: 1px solid var(--edu-card-border) !important;
    color: var(--edu-text) !important;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background-color: var(--edu-card-bg) !important;
    border-color: var(--edu-primary) !important;
    color: var(--edu-text) !important;
    box-shadow: 0 0 0 0.25rem var(--edu-glass-glow) !important;
}

.form-control::placeholder {
    color: var(--edu-text-muted) !important;
    opacity: 0.7;
}

/* Custom Adaptive Badges */
.edu-badge-primary {
    background: rgba(109, 40, 217, 0.1) !important;
    color: var(--edu-primary) !important;
}

[data-theme="dark"] .edu-badge-primary {
    background: rgba(139, 92, 246, 0.15) !important;
}

.edu-badge-secondary {
    background: rgba(37, 99, 235, 0.1) !important;
    color: var(--edu-accent) !important;
}

[data-theme="dark"] .edu-badge-secondary {
    background: rgba(59, 130, 246, 0.15) !important;
}

.edu-badge-info {
    background: rgba(109, 40, 217, 0.05) !important;
    color: var(--edu-text-muted) !important;
    border: 1px solid var(--edu-card-border);
}

/* Utility background for icons */
.edu-icon-container {
    background: rgba(109, 40, 217, 0.1) !important;
    color: var(--edu-primary) !important;
}

[data-theme="dark"] .edu-icon-container {
    background: rgba(139, 92, 246, 0.15) !important;
}

/* Mobile Offcanvas & Responsive Menu Styling */
.edu-offcanvas {
    background: var(--edu-card-bg) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: none !important;
    border-left: 1px solid var(--edu-card-border) !important;
    width: 290px !important;
    transition: transform 0.3s ease-in-out;
}

[dir="rtl"] .edu-offcanvas {
    border-left: none !important;
    border-right: 1px solid var(--edu-card-border) !important;
}

.edu-offcanvas .btn-close {
    filter: var(--edu-close-filter);
    opacity: 0.8;
    transition: all 0.2s ease;
}

.edu-offcanvas .btn-close:hover {
    opacity: 1;
}

:root {
    --edu-close-filter: invert(0.3);
}

[data-theme="dark"] {
    --edu-close-filter: invert(1) grayscale(1) brightness(1.5);
}

.edu-mobile-nav .edu-nav-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    width: 100%;
}

.edu-mobile-nav .edu-nav-link {
    font-size: 1.1rem;
    font-weight: 600;
    display: block;
    width: 100%;
    padding: 0.35rem 0;
}

.edu-mobile-nav .edu-dropdown-menu {
    position: static;
    display: block;
    box-shadow: none;
    border: none;
    padding-left: 1.25rem;
    background: transparent;
    backdrop-filter: none;
    margin-top: 0.5rem;
}

.edu-mobile-nav .edu-dropdown-menu .edu-nav-link {
    font-size: 0.95rem;
    font-weight: 500;
}

/* Responsive Grid and Typography */
@media (max-width: 768px) {
    .catalog-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .course-hero {
        padding: 3rem 0;
    }

    .syllabus-title {
        font-size: 1.65rem;
    }
}

/* Course Detail page layouts */
.detail-hero {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.03) 100%);
    border: 1px solid var(--edu-card-border);
    border-radius: 24px;
    padding: 1.5rem;
}

@media (min-width: 768px) {
    .detail-hero {
        padding: 3rem;
    }
}

.instructor-card {
    background: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    border-radius: 16px;
}

.edu-navbar-actions {
    margin-left: auto;
}

/* Timetable styling */
.timetable-table {
    border-color: var(--edu-card-border) !important;
    color: var(--edu-text) !important;
}

.timetable-table th {
    background: linear-gradient(135deg, var(--edu-primary) 0%, var(--edu-accent) 100%) !important;
    color: #ffffff !important;
    border: none !important;
    font-weight: 600;
    padding: 1rem !important;
}

.timetable-table td {
    border-color: var(--edu-card-border) !important;
    background-color: transparent !important;
    color: var(--edu-text) !important;
    transition: background-color 0.2s ease;
}

.timetable-slot-occupied {
    background-color: var(--edu-glass-glow) !important;
}

.timetable-card {
    background: rgba(109, 40, 217, 0.08) !important;
    border: 1px solid rgba(109, 40, 217, 0.15) !important;
    border-radius: 12px;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0.5rem;
}

[data-theme="dark"] .timetable-card {
    background: rgba(139, 92, 246, 0.15) !important;
    border-color: rgba(139, 92, 246, 0.25) !important;
}

.timetable-card:hover {
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

/* Calendar styling */
.calendar-event-card {
    background: var(--edu-card-bg) !important;
    border: 1px solid var(--edu-card-border) !important;
    transition: border-color 0.2s ease;
}

.calendar-event-card:hover {
    border-color: var(--edu-primary) !important;
}

/* ── Z-Index Layering Fix for Header, Dropdowns & Mobile Offcanvas ── */
#site-header,
.edu-navbar {
    position: relative;
    z-index: 1020 !important;
}

.offcanvas.edu-offcanvas {
    z-index: 1060 !important;
}

.offcanvas-backdrop {
    z-index: 1050 !important;
}

.edu-navbar .dropdown-menu,
.edu-dropdown .dropdown-menu {
    position: absolute;
    z-index: 1040 !important;
    background: var(--edu-card-bg) !important;
    backdrop-filter: blur(16px);

    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--edu-card-border) !important;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25) !important;
    color: var(--edu-text) !important;
    border-radius: 12px;
    padding: 0.5rem;
}

.edu-dropdown .dropdown-item {
    color: var(--edu-text) !important;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.edu-dropdown .dropdown-item:hover,
.edu-dropdown .dropdown-item.active {
    background-color: rgba(139, 92, 246, 0.15) !important;
    color: var(--edu-primary) !important;
}

.edu-user-btn {
    background: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    color: var(--edu-text) !important;
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.edu-user-btn:hover,
.edu-user-btn:focus,
.edu-user-btn[aria-expanded="true"] {
    background: var(--edu-glass-hover);
    border-color: var(--edu-primary);
    color: var(--edu-text) !important;
}

.edu-user-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--edu-primary);
}

.edu-dropdown .dropdown-divider {
    border-top: 1px solid var(--edu-card-border) !important;
    opacity: 0.6;
}

/* ── Dark/Light Mode Adaptations for text-body, links & buttons ── */
.text-body {
    color: var(--edu-text) !important;
}

a.text-body,
a.text-body:hover,
a.text-body:focus {
    color: var(--edu-text) !important;
}

a.hover-primary:hover,
a.hover-glow:hover {
    color: var(--edu-primary) !important;
}

.btn-primary-gradient,
.btn-action.btn-primary-gradient,
a.btn-primary-gradient,
a.btn-action.btn-primary-gradient {
    background: linear-gradient(135deg, var(--edu-primary) 0%, var(--edu-accent) 100%) !important;
    color: #ffffff !important;
    border: none !important;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
    transition: all 0.25s ease;
}

.btn-primary-gradient:hover,
.btn-action.btn-primary-gradient:hover,
a.btn-primary-gradient:hover,
a.btn-action.btn-primary-gradient:hover {
    background: linear-gradient(135deg, var(--edu-primary-hover) 0%, var(--edu-accent) 100%) !important;
    color: #ffffff !important;
    box-shadow: 0 6px 20px var(--edu-glass-glow);
}

/* ── Platform Features Info Cards & Row Items ── */
.edu-info-card {
    padding: 1.25rem 1.75rem !important;
    transition: background-color 0.2s ease;
}

.edu-info-card:hover {
    cursor: pointer;
    box-shadow: none !important;
    border-color: var(--edu-card-border) !important;
    background-color: rgba(139, 92, 246, 0.04);
}

.lesson-item {
    padding: 1.25rem 1.75rem !important;
}

.instructor-card ul li {
    padding: 1rem 1.25rem !important;
}

.edu-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Compact Dropdown Menu List ── */
.edu-dropdown-menu-list {
    font-size: 0.8125rem !important;
}

.edu-dropdown-menu-list .dropdown-item {
    font-size: 0.8125rem !important;
    padding: 0.35rem 0.65rem !important;
}

/* ── Modern Premium Redesign Components ── */
.edu-course-card {
    transition: box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
    border: 1px solid var(--edu-card-border) !important;
    background: var(--edu-card-bg) !important;
    overflow: hidden;
    position: relative;
}

.edu-course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--edu-primary), var(--edu-accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.edu-course-card:hover {
    box-shadow: 0 16px 36px var(--edu-glass-glow) !important;
    border-color: rgba(139, 92, 246, 0.3) !important;
}

.edu-course-card:hover::before {
    opacity: 1;
}

.edu-pill-badge {
    padding: 0.4rem 0.85rem !important;
    border-radius: 9999px !important;
    font-size: 0.75rem !important;
    letter-spacing: 0.02em;
}

.edu-pill-primary {
    background: rgba(109, 40, 217, 0.12) !important;
    color: var(--edu-primary) !important;
}

[data-theme="dark"] .edu-pill-primary {
    background: rgba(139, 92, 246, 0.2) !important;
}

.edu-pill-secondary {
    background: rgba(37, 99, 235, 0.12) !important;
    color: var(--edu-accent) !important;
}

[data-theme="dark"] .edu-pill-secondary {
    background: rgba(59, 130, 246, 0.2) !important;
}

.edu-pill-glass {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid var(--edu-card-border);
}

.btn-edu-action {
    background: transparent;
    color: var(--edu-primary) !important;
    border: 1.5px solid rgba(139, 92, 246, 0.3) !important;
    transition: all 0.25s ease;
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
}

.btn-edu-action:hover {
    background: linear-gradient(135deg, var(--edu-primary) 0%, var(--edu-accent) 100%) !important;
    color: #ffffff !important;
    border-color: transparent !important;
    box-shadow: 0 6px 18px var(--edu-glass-glow);
}

.hover-primary-gradient:hover {
    background: linear-gradient(135deg, var(--edu-primary) 0%, var(--edu-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.edu-hero-card {
    background: linear-gradient(135deg, rgba(109, 40, 217, 0.07) 0%, rgba(37, 99, 235, 0.05) 100%);
    border: 1px solid var(--edu-card-border) !important;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.edu-hero-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--edu-glass-glow) 0%, transparent 70%);
    pointer-events: none;
}

.edu-stat-item {
    padding: 1rem 1.5rem;
    border-radius: 16px;
    background: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    transition: all 0.3s ease;
}

.edu-stat-item:hover {
    border-color: var(--edu-primary);
}

.edu-live-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #10b981;
    display: inline-block;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: eduPulse 2s infinite;
}

@keyframes eduPulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* ── Orchard Core Fields & Content Body Formatting ── */
.field {
    margin-bottom: 1.25rem;
    padding: 0.85rem 1.25rem;
    background: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.field .name {
    font-weight: 700;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--edu-primary);
    background: rgba(109, 40, 217, 0.1);
    padding: 0.3rem 0.75rem;
    border-radius: 9999px;
    margin-right: 0.5rem;
}

[dir="rtl"] .field .name {
    margin-right: 0;
    margin-left: 0.5rem;
}

.field .value {
    display: inline-flex;
    align-items: center;
}

.field .value a {
    color: var(--edu-text) !important;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--edu-card-border);
    padding: 0.3rem 0.85rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none !important;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.field .value a:hover {
    background: var(--edu-primary) !important;
    color: #ffffff !important;
    border-color: var(--edu-primary) !important;
}

.field span:not(.name):not(.value) {
    display: none;
}

.course-description p,
.glass-panel p {
    color: var(--edu-text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.course-description p:last-child,
.glass-panel p:last-child {
    margin-bottom: 0;
}

/* ── Headline Font Size & Flat Styling ── */
h1,
.h1 {
    font-size: 1.6rem !important;
    font-weight: 700;
    letter-spacing: -0.01em;
}

h2,
.h2 {
    font-size: 1.3rem !important;
    font-weight: 700;
}

h3,
.h3 {
    font-size: 1.1rem !important;
    font-weight: 600;
}

h4,
.h4 {
    font-size: 1.0rem !important;
    font-weight: 600;
}

.catalog-title {
    font-size: 1.75rem !important;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 1.5rem;
}

/* ── Flat Button Overrides ── */
.btn,
.btn-edu,
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-success,
.btn-outline-primary,
.btn-outline-secondary,
.nav-btn,
.btn-edu-action {
    border-radius: 6px !important;
    box-shadow: none !important;
}

/* ── Toast Container & Card System ── */
:root {
    --toast-success: #10b981;
    --toast-info: #6366f1;
    --toast-warning: #f59e0b;
    --toast-danger: #ef4444;
}

.insight-toast-container {
    position: fixed;
    top: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 420px;
    width: calc(100% - 40px);
    pointer-events: none;
}

.insight-toast-container.ltr-toast {
    right: 20px;
}

.insight-toast-container.rtl-toast {
    left: 20px;
}

.insight-toast {
    position: relative;
    pointer-events: auto;
    border-radius: 8px;
    overflow: hidden;
    opacity: 0;
    transform: translateX(40px) scale(0.96);
    transition: opacity 0.35s ease, transform 0.35s ease;
    background: var(--edu-card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--edu-card-border);
}

.insight-toast.show {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.insight-toast.hiding {
    opacity: 0;
    transform: translateX(40px) scale(0.92);
}

.toast-body {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
}

.toast-icon {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.toast-text {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--edu-text);
}

.toast-dismiss {
    border: none;
    background: none;
    color: var(--edu-text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    opacity: 0.6;
    padding: 0 4px;
}

.toast-dismiss:hover {
    opacity: 1;
}

/* ── Flat Glassmorphic Prompt Modal ── */
.edu-flat-modal .modal-content {
    background: var(--edu-card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--edu-card-border);
    border-radius: 12px;
    color: var(--edu-text);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.edu-flat-modal .modal-header,
.edu-flat-modal .modal-footer {
    border-color: var(--edu-card-border);
}

/* Standardized Flat Action Link Button */
.btn-edu-action {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 140px !important;
    height: 38px !important;
    padding: 0.4rem 1rem !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    border-radius: 6px !important;
    background: rgba(139, 92, 246, 0.1) !important;
    color: var(--edu-primary) !important;
    border: 1px solid rgba(139, 92, 246, 0.2) !important;
    text-decoration: none !important;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease !important;
    box-shadow: none !important;
    white-space: nowrap !important;
}

.btn-edu-action:hover {
    background: var(--edu-primary) !important;
    color: #ffffff !important;
    border-color: var(--edu-primary) !important;
    cursor: pointer !important;
    opacity: 1 !important;
    box-shadow: none !important;
}

/* ── Non-Transparent Flat Dropdown Menu System ── */
.dropdown-menu,
.edu-dropdown-menu-list {
    background-color: #ffffff !important;
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid var(--edu-card-border) !important;
    border-radius: 8px !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12) !important;
    opacity: 1 !important;
}

[data-theme="dark"] .dropdown-menu,
[data-theme="dark"] .edu-dropdown-menu-list {
    background-color: #1e293b !important;
    background: #1e293b !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4) !important;
}

/* Dropdown Item Flat Hover & Alignment */
.dropdown-item {
    color: var(--edu-text) !important;
    border-radius: 6px !important;
    transition: background-color 0.15s ease, color 0.15s ease !important;
    font-size: 0.875rem !important;
    font-weight: 500 !important;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: #f1f5f9 !important;
    color: var(--edu-text) !important;
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background-color: #334155 !important;
    color: #f8fafc !important;
}

.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--edu-primary) !important;
    color: #ffffff !important;
}

/* ── Course Overview Text Styling ── */
.course-overview-text,
.course-overview-text p {
    color: var(--edu-text);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

/* ── Calendar Event Card & Text Adaptability ── */
.edu-text-subtle {
    color: var(--edu-text-muted) !important;
}

.calendar-event-card {
    background-color: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

[data-theme="dark"] .calendar-event-card {
    background-color: rgba(17, 24, 39, 0.7);
    border-color: rgba(255, 255, 255, 0.08);
}

.calendar-event-card:hover {
    background-color: rgba(139, 92, 246, 0.04);
    border-color: var(--edu-primary-hover) !important;
}

/* ── Badge Styling for Theme Compatibility ── */
.badge-edu-course {
    background-color: rgba(109, 40, 217, 0.08);
    color: var(--edu-primary);
    border: 1px solid var(--edu-card-border);
    transition: background-color 0.2s ease, color 0.2s ease;
}

[data-theme="dark"] .badge-edu-course {
    background-color: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    border-color: rgba(255, 255, 255, 0.12);
}

/* ── Modal & Confirmation Dialog RTL & Dark Theme Compatibility ── */
.edu-flat-modal .modal-content {
    background-color: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    color: var(--edu-text);
}

[dir="rtl"] .modal-header .btn-close {
    margin-left: 0 !important;
    margin-right: auto !important;
}

[dir="rtl"] .modal-footer {
    justify-content: flex-end !important;
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.badge.rounded-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    padding: 0.35em 0.65em;
}

/* ── Teacher Feedback Callout (Dark Mode & RTL Compatible) ── */
.edu-feedback-box {
    background: var(--edu-card-bg);
    border: 1px solid var(--edu-card-border);
    border-inline-start: 4px solid var(--edu-primary) !important;
    border-radius: 8px;
    color: var(--edu-text);
}

[data-theme="dark"] .edu-feedback-box {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    border-inline-start-color: var(--edu-primary) !important;
    color: var(--edu-text);
}

[dir="rtl"] .edu-feedback-box {
    text-align: right;
}