/* Custom Overrides for Bootstrap with User Palette */
@import url('https://fonts.googleapis.com/css2?family=Almarai:wght@300;400;700;800&family=Fira+Code:wght@300..700&family=Inter:wght@300..700&display=swap');

:root {
    /* Typography */
    --bs-font-sans-serif: 'Almarai', 'Inter', system-ui, -apple-system, sans-serif;
    --bs-font-monospace: 'Fira Code', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* =========================
       LIGHT MODE (React.dev)
       ========================= */

    --bs-primary: #087EA4;
    /* React Docs Blue */
    --bs-primary-rgb: 8, 126, 164;
    --bs-primary-hover: #0B6E8A;

    --bs-body-bg: #FFFFFF;
    --bs-body-color: #1C1E21;

    --bs-secondary-color: #4E5766;
    --bs-border-color: #E5E7EB;

    --bs-link-color: #087EA4;
    --bs-link-hover-color: #0B6E8A;

    /* Surfaces */
    --bs-tertiary-bg: #F6F7F9;
    --bs-secondary-bg: #F1F3F5;

    --code-bg: #F6F8FA;

    /* High Contrast */
    --text-warning-contrast: #8A6D3B;
    --text-success-contrast: #1F7A4C;
    --text-primary-contrast: #055160;
}

/* =========================
   DARK MODE (React.dev)
   ========================= */

[data-bs-theme="dark"] {

    --bs-primary: #087EA4;
    /* Official React Blue */
    --bs-primary-rgb: 97, 218, 251;
    --bs-primary-hover: #076888;

    --bs-body-bg: #0B0F14;
    /* React.dev dark background */
    --bs-body-color: #E6EDF3;

    --bs-secondary-color: #9BA3AF;
    --bs-border-color: #2D333B;

    --bs-link-color: #087EA4;
    --bs-link-hover-color: #087EA4;

    /* Surfaces */
    --bs-tertiary-bg: #161B22;
    --bs-secondary-bg: #0D1117;

    --code-bg: #161B22;

    /* High Contrast */
    --text-warning-contrast: #FFD666;
    --text-success-contrast: #4ADE80;
    --text-primary-contrast: #3B86F6;
}

/* Dark Mode Refinements for Lesson Content */
[data-bs-theme="dark"] .lesson-content .card {
    background-color: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color) !important;
}

[data-bs-theme="dark"] .lesson-content .bg-body-tertiary {
    background-color: rgba(0, 0, 0, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.05) !important;
}

[data-bs-theme="dark"] .lesson-content .bg-body {
    background-color: rgba(0, 0, 0, 0.3) !important;
}

[data-bs-theme="dark"] .lesson-content code:not(pre code) {
    background-color: rgba(var(--bs-primary-rgb), 0.1) !important;
    color: var(--bs-primary) !important;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
}

/* Dark Mode Alert Refinements */
[data-bs-theme="dark"] .alert-info {
    background-color: rgba(14, 165, 233, 0.1) !important;
    color: #087EA4 !important;
    border: 1px solid rgba(14, 165, 233, 0.2) !important;
}

[data-bs-theme="dark"] .alert-warning {
    background-color: rgba(234, 179, 8, 0.1) !important;
    color: #fde047 !important;
    border: 1px solid rgba(234, 179, 8, 0.2) !important;
}

[data-bs-theme="dark"] .alert-danger {
    background-color: rgba(239, 68, 68, 0.1) !important;
    color: #fca5a5 !important;
    border: 1px solid rgba(239, 68, 68, 0.2) !important;
}

[data-bs-theme="dark"] .alert-success {
    background-color: rgba(34, 197, 94, 0.1) !important;
    color: #087EA4 !important;
    border: 1px solid rgba(34, 197, 94, 0.2) !important;
}

body {
    font-family: var(--bs-font-sans-serif);
}

/* Force Bootstrap components to use our variables where they might not */
.bg-body-tertiary {
    background-color: var(--bs-tertiary-bg) !important;
}

.border,
.border-top,
.border-bottom,
.border-end,
.border-start {
    border-color: var(--bs-border-color) !important;
}

/* Theme Switch Styles */
.theme-switch {
    display: inline-block;
    height: 28px;
    position: relative;
    width: 54px;
}

.theme-switch input {
    display: none;
}

.theme-slider {
    background-color: #e5e7eb;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
    border: 1px solid var(--bs-border-color);
}

[data-bs-theme="dark"] .theme-slider {
    background-color: #374151;
}

.theme-slider:before {
    background-color: #fff;
    bottom: 3px;
    content: "";
    height: 20px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 20px;
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

[data-bs-theme="dark"] .theme-slider:before {
    background-color: #1f2937;
}

input:checked+.theme-slider {
    background-color: #1f2937;
}

input:checked+.theme-slider:before {
    transform: translateX(24px);
}

.theme-slider .sun-icon,
.theme-slider .moon-icon {
    font-size: 12px;
    z-index: 1;
    transition: .4s;
}

.theme-slider .sun-icon {
    color: #f59e0b;
}

.theme-slider .moon-icon {
    color: #9ca3af;
}

[data-bs-theme="dark"] .theme-slider .moon-icon {
    color: #087EA4;
}

[data-bs-theme="dark"] .theme-slider .sun-icon {
    color: #4b5563;
}

/* Sidebar adjustments */
.sidebar {
    height: calc(100vh - 88px);
    position: sticky;
    top: 88px;
    z-index: 100;
    overflow-x: hidden;
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--bs-border-color);
    border-radius: 10px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--bs-secondary-color);
}

.offcanvas-body {
    height: 100%;
}

@media (max-width: 991.98px) {
    .sidebar {
        height: 100vh;
        position: fixed;
        top: 0;
        z-index: 1050;
    }
}

/* Navigation Links */
.nav-link {
    padding: .5rem 1rem;
    font-weight: 500;
    color: var(--bs-body-color);
    border-inline-start: 3px solid transparent;
    /* Reserve space for active border */
}

.nav-link:hover {
    color: var(--bs-primary) !important;
}

.nav-link.active {
    color: var(--bs-primary) !important;
    background-color: rgba(var(--bs-primary-rgb), 0.1) !important;
    border-inline-start-color: var(--bs-primary) !important;
}

/* Buttons Override */
.btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.btn-primary:hover {
    background-color: var(--bs-primary-hover);
    border-color: var(--bs-primary-hover);
}

.btn-outline-primary {
    color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.btn-outline-primary:hover {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

/* Main content spacing */
main {
    padding-top: calc(2rem + 88px);
    padding-bottom: 2rem;
}

/* Transitions */
body,
.sidebar,
.navbar,
.card,
.btn {
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

/* PrismJS Overrides to match theme */
pre[class*="language-"] {
    background: var(--code-bg) !important;
    /* Override Prism Theme BG with our Palette */
    border-radius: 8px;
    border: 1px solid var(--bs-border-color);
    margin: 1.5rem 0;
    direction: ltr;
    /* Code is always LTR */
    text-align: left;
    position: relative;
    /* Needed for toolbar positioning */
}

code[class*="language-"],
pre[class*="language-"] {
    font-family: var(--bs-font-monospace) !important;
    text-shadow: none !important;
}

/* Prism Toolbar & Copy Button Customization */
div.code-toolbar>.toolbar {
    opacity: 1;
    /* Always visible */
    right: 12px;
    top: 12px;
    transition: opacity 0.3s ease-in-out;
}

div.code-toolbar>.toolbar>.toolbar-item>button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--bs-font-sans-serif);
    line-height: 1;
    cursor: pointer;
    user-select: none;

    /* Modern Glassy Style */
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    color: var(--bs-secondary-color);
    border: 1px solid var(--bs-border-color);

    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 8px;

    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Dark Mode Adjustment */
[data-bs-theme="dark"] div.code-toolbar>.toolbar>.toolbar-item>button {
    background-color: rgba(31, 41, 55, 0.8);
    color: #e5e7eb;
    border-color: #374151;
}

div.code-toolbar>.toolbar>.toolbar-item>button:hover {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--bs-primary-rgb), 0.3);
}

div.code-toolbar>.toolbar>.toolbar-item>button:active {
    transform: translateY(0);
}

/* Add Clipboard Icon */
div.code-toolbar>.toolbar>.toolbar-item>button::before {
    content: '\F28E';
    /* bi-clipboard */
    font-family: 'bootstrap-icons' !important;
    margin-left: 0.5rem;
    /* Space for RTL */
    font-size: 1rem;
    font-weight: normal;
}

/* Theme-aware Example Boxes */
.example-box {
    background-color: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.example-box-tertiary {
    background-color: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Quiz Option Buttons - Global Style */
.option-btn {
    text-align: right;
    padding: 1rem 1.5rem;
    border: 2px solid var(--bs-border-color);
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    border-radius: 12px;
    transition: all 0.2s ease;
    cursor: pointer;
    font-weight: 500;
    width: 100%;
}

.option-btn:hover {
    border-color: var(--bs-primary);
    background: rgba(var(--bs-primary-rgb), 0.05);
}

.option-btn.correct {
    border-color: var(--bs-success) !important;
    background: rgba(25, 135, 84, 0.1) !important;
    color: var(--bs-success) !important;
}

.option-btn.wrong {
    border-color: var(--bs-danger) !important;
    background: rgba(220, 53, 69, 0.1) !important;
    color: var(--bs-danger) !important;
}

div.code-toolbar>.toolbar>.toolbar-item>button:active {
    transform: translateY(1px);
    box-shadow: none;
}

/* Home Page Specific Styles */
.fw-black {
    font-weight: 900;
}

.tracking-tight {
    letter-spacing: -0.025em;
}

.bg-orange {
    background-color: #F97316 !important;
}

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

.bg-indigo {
    background-color: #6366F1 !important;
}

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

.hero-section {
    background: linear-gradient(135deg, rgba(var(--bs-primary-rgb), 0.05) 0%, rgba(var(--bs-primary-rgb), 0.1) 100%);
    border: 1px solid var(--bs-border-color);
}

.course-card {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(var(--bs-primary-rgb), 0.1) !important;
}

.course-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 30px 60px -12px rgba(var(--bs-primary-rgb), 0.25) !important;
    border: 1px solid var(--bs-primary) !important;
}

.btn-white {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

.hover-orange:hover {
    background-color: var(--text-orange) !important;
    color: white !important;
    border-color: var(--text-orange) !important;
}

.hover-primary:hover {
    background-color: var(--bs-primary) !important;
    color: white !important;
    border-color: var(--bs-primary) !important;
}

.hover-warning:hover {
    background-color: #ffc107 !important;
    color: #000 !important;
    border-color: #ffc107 !important;
}

.hover-indigo:hover {
    background-color: var(--text-indigo) !important;
    color: white !important;
    border-color: var(--text-indigo) !important;
}

.z-1 {
    z-index: 1;
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

/* Simple & Clear UI */
.hero-section {
    background-color: var(--bs-tertiary-bg);
    border-bottom: 1px solid var(--bs-border-color);
}

.course-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--bs-border-color) !important;
    background-color: var(--bs-body-bg);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--bs-primary) !important;
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background-color: rgba(var(--bs-primary-rgb), 0.1);
    color: var(--bs-primary);
    margin-bottom: 1.5rem;
}

.feature-icon img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.section-title {
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 0;
    width: 40px;
    height: 3px;
    background-color: var(--bs-primary);
    border-radius: 2px;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-weight: 600;
}

/* Remove futuristic effects */
.glass,
.mesh-gradient,
.text-gradient,
.hover-glow,
.floating,
.reveal {
    background: none !important;
    backdrop-filter: none !important;
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    -webkit-text-fill-color: initial !important;
}

/* Hero Image Styling */
.hero-img-container {
    position: relative;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.hero-img-container::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.4) 100%);
}

/* Section Spacing */
.section-padding {
    padding: 100px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 60px 0;
    }
}

/* Footer Styles */
.footer-links a {
    transition: all 0.2s ease;
}

.footer-links a:hover {
    color: var(--bs-primary) !important;
    padding-right: 5px;
}

.social-card {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    color: var(--bs-body-color);
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 1.2rem;
}

.social-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.social-card.facebook:hover {
    background: #1877f2;
    color: white;
    border-color: #1877f2;
}

.social-card.youtube:hover {
    background: #ff0000;
    color: white;
    border-color: #ff0000;
}

.social-card.whatsapp:hover {
    background: #25d366;
    color: white;
    border-color: #25d366;
}

.social-card.twitter:hover {
    background: #000000;
    color: white;
    border-color: #000000;
}

/* Dropdown Styles */
.dropdown-item {
    text-align: right;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.05);
    color: var(--bs-primary);
    padding-right: 1.5rem;
}

.dropdown-menu {
    min-width: 220px;
}

[data-bs-theme="dark"] .dropdown-menu {
    background-color: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color) !important;
}

/* Accessibility Contrast Utilities */
.text-warning-contrast {
    color: var(--text-warning-contrast) !important;
}

.text-success-contrast {
    color: var(--text-success-contrast) !important;
}

.text-primary-contrast {
    color: var(--text-primary-contrast) !important;
}

.badge-primary-contrast {
    background-color: rgba(var(--bs-primary-rgb), 0.15) !important;
    color: var(--text-primary-contrast) !important;
    border: 1px solid rgba(var(--bs-primary-rgb), 0.2);
}