/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   منصة كيرشوف - Design System & Global Styles
   ============================================ */

/* Custom Added Font: ThmanyahSerifText */
@font-face {
    font-family: 'ThmanyahSerifText';
    src: url('../thmanyahseriftext-Bold.woff2') format('woff2'),
        url('./thmanyahseriftext-Bold.woff2') format('woff2'),
        url('../../thmanyahseriftext-Bold.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
    /* Primary Colors - Physics Sky Blue (#5ba4d9) */
    --primary-50: #f0f8fd;
    --primary-100: #dbeefa;
    --primary-200: #b9e2f9;
    --primary-300: #87cbf5;
    --primary-400: #5ba4d9;
    --primary-500: #3b8ccb;
    --primary-600: #2b76b8;
    --primary-700: #1f5787;
    --primary-800: #19466d;
    --primary-900: #112e49;

    /* Accent Colors - Gold */
    --accent-50: #fdf8ed;
    --accent-100: #f9ecd0;
    --accent-200: #f0d798;
    --accent-300: #e5bf5e;
    --accent-400: #D4A843;
    --accent-500: #C9963C;
    --accent-600: #b07e2a;
    --accent-700: #8d6321;
    --accent-800: #6a4a19;
    --accent-900: #473210;

    /* Neutral Colors */
    --neutral-50: #FAFAF8;
    --neutral-100: #F5F3EE;
    --neutral-200: #E8E5DE;
    --neutral-300: #D4D0C8;
    --neutral-400: #A8A49C;
    --neutral-500: #7C7870;
    --neutral-600: #5A5650;
    --neutral-700: #3D3A36;
    --neutral-800: #2A2826;
    --neutral-900: #1A1918;

    /* Semantic Colors */
    --success: #22c55e;
    --success-light: #dcfce7;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;

    /* Typography */
    --font-arabic: 'ThmanyahSerifText', 'Cairo', 'Segoe UI', Tahoma, sans-serif;
    --font-english: 'ThmanyahSerifText', 'Inter', 'Segoe UI', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Font Weights */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 8px 30px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;

    /* Layout */
    --container-max: 1280px;
    --navbar-height: 72px;
    --sidebar-width: 280px;
}

/* ============================================
   CSS Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-arabic);
    font-size: var(--text-base);
    font-weight: var(--font-regular);
    line-height: 1.7;
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    direction: rtl;
    text-align: right;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* English text override */
[lang="en"],
.en {
    font-family: var(--font-english);
    direction: ltr;
    text-align: left;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    font-size: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-bold);
    line-height: 1.3;
    color: var(--neutral-900);
}

h1 {
    font-size: var(--text-4xl);
}

h2 {
    font-size: var(--text-3xl);
}

h3 {
    font-size: var(--text-2xl);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
}

/* ============================================
   Utility Classes
   ============================================ */
/* ============================================
   Dark Mode & Light Mode Theme Tokens
   ============================================ */
/* ============================================
   Dark Mode & Light Mode Theme Tokens & Overrides
   ============================================ */
:root,
body.light-theme,
[data-theme="light"],
html[data-theme="light"] body {
    --bg-main: #f4f9fd;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border-color: #e2e8f0;
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --navbar-border: rgba(91, 164, 217, 0.25);
    --navbar-shadow: 0 8px 25px rgba(91, 164, 217, 0.12);
    --hero-bg: linear-gradient(135deg, #f0f8fd 0%, #e0f2fe 50%, #fef9c3 100%);
    background-color: #f4f9fd;
    color: #0f172a;
}

body.dark-theme,
[data-theme="dark"],
html[data-theme="dark"] body {
    --bg-main: #0b131e;
    --bg-surface: #111d2e;
    --bg-card: #16253b;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.78);
    --border-color: rgba(91, 164, 217, 0.3);
    --navbar-bg: rgba(11, 19, 30, 0.94);
    --navbar-border: rgba(91, 164, 217, 0.35);
    --navbar-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
    --hero-bg: linear-gradient(135deg, #0b131e 0%, #112033 50%, #162a45 100%);
    background-color: #0b131e;
    color: #ffffff;
}

/* Base Body Theme Transition */
body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
    box-sizing: border-box;
}

.section {
    padding: var(--space-20) 0;
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: var(--primary-600);
    margin-bottom: var(--space-2);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 50%;
    transform: translateX(50%);
    width: 60px;
    height: 4px;
    background: var(--accent-400);
    border-radius: var(--radius-full);
}

.section-subtitle {
    color: var(--neutral-500);
    font-size: var(--text-base);
    margin-top: var(--space-4);
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Navbar (Floating Curved Design & Theme Adaptive)
   ============================================ */
.navbar {
    position: fixed;
    top: 14px;
    left: 16px;
    right: 16px;
    width: auto;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    transform: none;
    height: 64px;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--navbar-border);
    border-radius: 40px;
    z-index: var(--z-fixed);
    box-shadow: var(--navbar-shadow);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .navbar,
body.light-theme .navbar {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(91, 164, 217, 0.25);
    box-shadow: 0 8px 25px rgba(91, 164, 217, 0.12);
}

[data-theme="light"] .btn-nav-outline,
body.light-theme .btn-nav-outline {
    border-color: #3b8ccb;
    color: #3b8ccb;
}

[data-theme="light"] .btn-nav-outline:hover,
body.light-theme .btn-nav-outline:hover {
    background: #3b8ccb;
    color: #ffffff;
}

[data-theme="light"] .navbar-toggle i,
body.light-theme .navbar-toggle i {
    color: #111827 !important;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 24px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 12px;
}

.navbar-logo {
    height: 34px;
    max-width: 130px;
    width: auto;
    object-fit: contain;
    display: block;
}

.navbar-nav-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.navbar-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.navbar-link:hover,
.navbar-link.active {
    color: var(--primary-400, #5ba4d9);
    background: rgba(91, 164, 217, 0.15);
}

[data-theme="light"] .navbar-link,
body.light-theme .navbar-link {
    color: #1f2937;
}

[data-theme="light"] .navbar-link:hover,
body.light-theme .navbar-link:hover,
[data-theme="light"] .navbar-link.active,
body.light-theme .navbar-link.active {
    color: #3b8ccb;
    background: rgba(91, 164, 217, 0.12);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.navbar-auth-btns {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Theme Toggle Switch Pill */
.theme-toggle-switch {
    width: 62px;
    height: 32px;
    border-radius: 20px;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
    border: 2px solid rgba(91, 164, 217, 0.35);
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 6px;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.12);
}

body.dark-theme .theme-toggle-switch,
[data-theme="dark"] .theme-toggle-switch {
    background: linear-gradient(135deg, #111d2e, #1a2d48);
    border-color: rgba(91, 164, 217, 0.4);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.5);
}

.theme-toggle-switch i {
    font-size: 0.85rem;
    z-index: 2;
    transition: opacity 0.3s ease;
}

.theme-toggle-switch .fa-sun {
    color: #D4A843;
}

.theme-toggle-switch .fa-moon {
    color: #38bdf8;
}

.theme-toggle-knob {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b8ccb, #5ba4d9);
    transform: translateX(-30px);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), background 0.35s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
    z-index: 3;
}

body.dark-theme .theme-toggle-knob,
[data-theme="dark"] .theme-toggle-knob {
    transform: translateX(0);
    background: linear-gradient(135deg, #5ba4d9, #00d2ff);
}

/* Navbar Action Buttons */
.btn-nav-outline {
    padding: 8px 22px;
    border-radius: 25px;
    border: 2px solid rgba(91, 164, 217, 0.6);
    background: transparent;
    color: #5ba4d9;
    font-weight: 800;
    font-size: 0.92rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-nav-outline:hover {
    background: rgba(91, 164, 217, 0.15);
    border-color: #5ba4d9;
    color: #ffffff;
    transform: scale(1.03);
}

.btn-nav-solid {
    padding: 9px 24px;
    border-radius: 25px;
    border: none;
    background: linear-gradient(135deg, #3b8ccb, #5ba4d9);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 14px rgba(91, 164, 217, 0.45);
    border: 1px solid rgba(91, 164, 217, 0.3);
}

.btn-nav-solid:hover {
    background: linear-gradient(135deg, #5ba4d9, #62b5e5);
    box-shadow: 0 6px 18px rgba(91, 164, 217, 0.6);
    transform: scale(1.03);
}

/* Light Theme Overrides Across Components */
[data-theme="light"] .page-header,
body.light-theme .page-header {
    background: linear-gradient(135deg, #3b8ccb 0%, #5ba4d9 100%);
    color: #ffffff;
}

[data-theme="light"] .course-card,
body.light-theme .course-card {
    background: #ffffff;
    border-color: #e2e8f0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .course-card-body,
body.light-theme .course-card-body {
    background: #ffffff;
}

[data-theme="light"] .course-card-title,
body.light-theme .course-card-title {
    color: #111827;
}

[data-theme="light"] .course-card-subtitle,
body.light-theme .course-card-subtitle {
    color: #4b5563;
}

[data-theme="light"] .course-card-meta,
body.light-theme .course-card-meta {
    color: #6b7280;
    border-bottom-color: #e5e7eb;
}

[data-theme="light"] .card,
[data-theme="light"] .profile-card,
[data-theme="light"] .grade-card,
body.light-theme .card,
body.light-theme .profile-card,
body.light-theme .grade-card {
    background: #ffffff;
    border-color: #e2e8f0;
    color: #111827;
}

[data-theme="light"] .section-title,
body.light-theme .section-title {
    color: #2b76b8;
}

[data-theme="light"] .section-subtitle,
body.light-theme .section-subtitle {
    color: #4b5563;
}

/* Dark Theme Comprehensive Overrides Across All Sections & Components */
body.dark-theme,
[data-theme="dark"],
html[data-theme="dark"] body {
    background-color: #0b131e !important;
    color: #ffffff !important;
}

body.dark-theme .section,
[data-theme="dark"] .section,
body.dark-theme .grades-section,
[data-theme="dark"] .grades-section,
body.dark-theme .features-section,
[data-theme="dark"] .features-section,
body.dark-theme .top-students-section,
[data-theme="dark"] .top-students-section,
body.dark-theme .cta-section,
[data-theme="dark"] .cta-section {
    background-color: #0b131e !important;
    color: #ffffff;
}

body.dark-theme .card,
[data-theme="dark"] .card,
body.dark-theme .feature-card,
[data-theme="dark"] .feature-card,
body.dark-theme .top-student-card,
[data-theme="dark"] .top-student-card,
body.dark-theme .course-accordion,
[data-theme="dark"] .course-accordion,
body.dark-theme .profile-card,
[data-theme="dark"] .profile-card,
body.dark-theme .modal-content,
[data-theme="dark"] .modal-content {
    background-color: #16253b !important;
    border-color: rgba(91, 164, 217, 0.3) !important;
    color: #ffffff !important;
}

body.dark-theme .section-title,
[data-theme="dark"] .section-title {
    color: #D4A843 !important;
}

body.dark-theme .section-subtitle,
[data-theme="dark"] .section-subtitle,
body.dark-theme .feature-desc,
[data-theme="dark"] .feature-desc,
body.dark-theme .top-student-info,
[data-theme="dark"] .top-student-info,
body.dark-theme .top-student-quote,
[data-theme="dark"] .top-student-quote {
    color: rgba(255, 255, 255, 0.8) !important;
}

body.dark-theme .feature-title,
[data-theme="dark"] .feature-title,
body.dark-theme .top-student-name,
[data-theme="dark"] .top-student-name,
body.dark-theme .course-accordion-title,
[data-theme="dark"] .course-accordion-title {
    color: #ffffff !important;
}

body.dark-theme .course-accordion-header:hover,
[data-theme="dark"] .course-accordion-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

body.dark-theme .top-student-quote,
[data-theme="dark"] .top-student-quote {
    background: rgba(212, 168, 67, 0.12);
    border-right-color: #D4A843;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    position: relative;
}

.navbar-user-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 2px solid var(--primary-400);
    object-fit: cover;
}

.navbar-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.navbar-user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-user-dropdown a,
.navbar-user-dropdown button {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    color: var(--neutral-700);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.navbar-user-dropdown a:hover,
.navbar-user-dropdown button:hover {
    background: var(--neutral-100);
    color: var(--primary-600);
}

/* Mobile menu */
.navbar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--neutral-700);
}

@media (max-width: 860px) {
    .navbar {
        top: 8px;
        left: 10px;
        right: 10px;
        width: auto;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
        transform: none;
        height: 60px;
        border-radius: 30px;
    }

    .navbar .container {
        padding: 0 12px;
    }

    .navbar-logo {
        height: 32px;
        max-width: 110px;
    }

    .navbar-actions {
        gap: 8px;
    }

    .btn-nav-outline,
    .btn-nav-solid {
        padding: 6px 14px;
        font-size: 0.82rem;
        border-radius: 20px;
    }

    @media (max-width: 640px) {
        .btn-nav-outline {
            display: none !important;
        }
    }

    .theme-toggle-switch {
        width: 52px;
        height: 28px;
        padding: 0 4px;
    }

    .theme-toggle-knob {
        width: 18px;
        height: 18px;
        top: 3px;
        right: 3px;
    }

    body.dark-theme .theme-toggle-knob,
    [data-theme="dark"] .theme-toggle-knob {
        transform: translateX(0);
    }

    .theme-toggle-knob,
    body.light-theme .theme-toggle-knob,
    [data-theme="light"] .theme-toggle-knob {
        transform: translateX(-24px);
    }

    .navbar-toggle {
        display: flex;
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }

    .navbar-nav-menu {
        position: fixed;
        top: 72px;
        right: 10px;
        left: 10px;
        width: calc(100% - 20px);
        background: var(--bg-card);
        padding: var(--space-4) var(--space-6);
        flex-direction: column;
        gap: var(--space-3);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-xl);
        box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
        transform: translateY(-20px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: var(--z-fixed);
    }

    .navbar-nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
}

@media (max-width: 480px) {
    .navbar {
        top: 6px;
        left: 8px;
        right: 8px;
        width: auto;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
        transform: none;
        height: 56px;
    }

    .navbar .container {
        padding: 0 10px;
    }

    .navbar-logo {
        height: 26px;
        max-width: 95px;
    }

    .navbar-actions {
        gap: 6px;
    }

    .btn-nav-outline {
        display: none !important;
    }

    .btn-nav-solid {
        padding: 5px 10px;
        font-size: 0.76rem;
    }
}

/* ============================================
   Hero Section
   ============================================ */
/* ============================================
   Hero Section (Screenshot Design Layout)
   ============================================ */
/* ============================================
   EdTech Circular Frame Hero Section (Reference Match)
   ============================================ */
.hero-v2 {
    position: relative;
    z-index: 0;
    min-height: calc(100vh - 84px);
    margin-top: 84px;
    background: #FAFAFC;
    padding: 70px 0 90px;
    overflow: hidden;
    color: #111827;
    display: flex;
    align-items: center;
}

body.dark-theme .hero-v2,
[data-theme="dark"] .hero-v2 {
    background: linear-gradient(135deg, #0b131e 0%, #112033 100%);
    color: #ffffff;
}

/* Large Left Thin Wireframe Circle */
.hero-wireframe-circle {
    position: absolute;
    width: 440px;
    height: 440px;
    border-radius: 50%;
    border: 1.5px solid rgba(91, 164, 217, 0.2);
    right: -80px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 0;
}

body.dark-theme .hero-wireframe-circle,
[data-theme="dark"] .hero-wireframe-circle {
    border-color: rgba(91, 164, 217, 0.25);
}

.hero-mini-dot {
    position: absolute;
    border-radius: 50%;
    background: #5ba4d9;
    pointer-events: none;
    z-index: 2;
}

body.dark-theme .hero-mini-dot,
[data-theme="dark"] .hero-mini-dot {
    background: #5ba4d9;
}

.dot-bottom-left {
    bottom: 12%;
    right: 46%;
    width: 12px;
    height: 12px;
}

.dot-bottom-center {
    bottom: 8%;
    right: 22%;
    width: 10px;
    height: 10px;
    opacity: 0.7;
}

.hero-v2-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 3;
}

/* Headline & Accent Blue Words */
.hero-v2-title {
    font-size: clamp(2.4rem, 4.4vw, 3.6rem);
    font-weight: 900;
    line-height: 1.32;
    color: #111827;
    margin-bottom: 24px;
    font-family: var(--font-arabic);
}

body.dark-theme .hero-v2-title,
[data-theme="dark"] .hero-v2-title {
    color: #ffffff;
}

.accent-text-blue {
    color: #5ba4d9;
    font-weight: 900;
}

body.dark-theme .accent-text-blue,
[data-theme="dark"] .accent-text-blue {
    color: #5ba4d9;
}

.hero-v2-subtitle {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #6b7280;
    margin-bottom: 38px;
    max-width: 580px;
    font-weight: 500;
}

body.dark-theme .hero-v2-subtitle,
[data-theme="dark"] .hero-v2-subtitle {
    color: rgba(255, 255, 255, 0.85);
}

/* Buttons Row */
.hero-edtech-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-edtech-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 36px;
    border-radius: 12px;
    background: #5ba4d9;
    color: #ffffff !important;
    font-weight: 800;
    font-size: 1.1rem;
    text-decoration: none !important;
    box-shadow: 0 8px 24px rgba(91, 164, 217, 0.35);
    transition: all 0.3s ease;
}

body.dark-theme .btn-edtech-primary,
[data-theme="dark"] .btn-edtech-primary {
    background: #5ba4d9;
    color: #ffffff !important;
    box-shadow: 0 8px 24px rgba(91, 164, 217, 0.4);
}

.btn-edtech-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(91, 164, 217, 0.5);
}

.btn-edtech-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 32px;
    border-radius: 12px;
    background: #F3F4F6;
    color: #1f2937 !important;
    font-weight: 800;
    font-size: 1.1rem;
    text-decoration: none !important;
    transition: all 0.3s ease;
}

body.dark-theme .btn-edtech-secondary,
[data-theme="dark"] .btn-edtech-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff !important;
}

.btn-edtech-secondary:hover {
    transform: translateY(-3px);
    background: #e5e7eb;
}

body.dark-theme .btn-edtech-secondary:hover,
[data-theme="dark"] .btn-edtech-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Right Stage Container with Circle Mask & Outer Wire Ring */
.hero-v2-image-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 560px;
}

.circle-stage-wrapper {
    position: relative;
    width: 520px;
    height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Outer Thin Wire Circle Ring */
.outer-wire-ring {
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 50%;
    border: 1.5px solid rgba(91, 164, 217, 0.35);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 1;
}

body.dark-theme .outer-wire-ring,
[data-theme="dark"] .outer-wire-ring {
    border-color: rgba(91, 164, 217, 0.4);
}

/* Floating Accent Dots around Circle */
.floating-ring-dot {
    position: absolute;
    border-radius: 50%;
    background: #5ba4d9;
    z-index: 3;
}

body.dark-theme .floating-ring-dot,
[data-theme="dark"] .floating-ring-dot {
    background: #5ba4d9;
}

.dot-top-right {
    top: 30px;
    right: 30px;
    width: 16px;
    height: 16px;
}

.dot-bottom-left {
    bottom: 50px;
    left: 20px;
    width: 20px;
    height: 20px;
}

.dot-bottom-right {
    bottom: 15px;
    right: 40px;
    width: 32px;
    height: 32px;
    background: #5ba4d9;
    box-shadow: 0 6px 18px rgba(91, 164, 217, 0.4);
}

.floating-glow-orb {
    position: absolute;
    bottom: -15px;
    right: 10px;
    width: 130px;
    height: 130px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(91, 164, 217, 0.4) 0%, transparent 70%);
    filter: blur(18px);
    z-index: 0;
}

/* Inner Main Mask Circle Frame */
.main-mask-circle {
    position: relative;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    background: #e6f4fc;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 2;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.1);
}

body.dark-theme .main-mask-circle,
[data-theme="dark"] .main-mask-circle {
    background: #112033;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
}

/* Geometric Diagonal Split Pie Slice */
.diagonal-pie-slice {
    position: absolute;
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, #5ba4d9 0%, #3b8ccb 100%);
    clip-path: polygon(0 0, 100% 40%, 100% 100%, 0 100%);
    z-index: 1;
}

body.dark-theme .diagonal-pie-slice,
[data-theme="dark"] .diagonal-pie-slice {
    background: linear-gradient(135deg, #3b8ccb 0%, #2b76b8 100%);
}

/* Cutout Teacher Image standing inside circle frame */
.hero-teacher-image {
    position: relative;
    z-index: 3;
    max-width: 95%;
    height: 490px;
    object-fit: contain;
    filter: drop-shadow(0 18px 35px rgba(0, 0, 0, 0.28));
    transition: transform 0.4s ease;
}

.main-mask-circle:hover .hero-teacher-image {
    transform: scale(1.04);
}

/* ============================================
   Floating Stars Background System (Shining Stars Theme)
   ============================================ */
.global-stars-bg,
.floating-bg-layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.global-stars-bg {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.star-item {
    position: fixed;
    pointer-events: none;
    user-select: none;
    font-size: 1.75rem;
    color: var(--primary-400, #5ba4d9);
    z-index: 1;
    animation: starFloatDrift 6.5s ease-in-out infinite alternate, physicsGlowPulse 3.5s ease-in-out infinite alternate;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.star-item.physics-formula {
    font-family: 'Inter', 'Courier New', sans-serif;
    font-weight: 800;
    font-size: 0.95rem;
    color: #5ba4d9;
    background: rgba(91, 164, 217, 0.12);
    border: 1px solid rgba(91, 164, 217, 0.35);
    backdrop-filter: blur(4px);
    padding: 5px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(91, 164, 217, 0.2);
}

@keyframes starFloatDrift {
    0% {
        transform: translateY(0) rotate(0deg) scale(1);
    }

    50% {
        transform: translateY(-26px) rotate(16deg) scale(1.15);
    }

    100% {
        transform: translateY(18px) rotate(-14deg) scale(0.9);
    }
}

@keyframes physicsGlowPulse {

    0%,
    100% {
        opacity: 0.45;
        filter: drop-shadow(0 0 6px rgba(91, 164, 217, 0.4));
    }

    50% {
        opacity: 1;
        filter: drop-shadow(0 0 16px rgba(91, 164, 217, 0.95)) drop-shadow(0 0 26px rgba(59, 140, 203, 0.8));
    }
}

.floating-item {
    position: absolute;
    pointer-events: none;
    user-select: none;
    font-size: 1.6rem;
    color: #5ba4d9;
    animation: floatDrift 6s ease-in-out infinite alternate, shinePulse 3s ease-in-out infinite alternate;
}

.floating-item.star-lg {
    font-size: 2.3rem;
    color: #3b8ccb;
}

.floating-item.star-sm {
    font-size: 1.15rem;
    color: #87cbf5;
}

@keyframes floatDrift {
    0% {
        transform: translateY(0) rotate(0deg) scale(1);
    }

    50% {
        transform: translateY(-20px) rotate(15deg) scale(1.1);
    }

    100% {
        transform: translateY(12px) rotate(-10deg) scale(0.92);
    }
}

@keyframes shinePulse {

    0%,
    100% {
        opacity: 0.4;
        filter: drop-shadow(0 0 6px rgba(91, 164, 217, 0.4));
    }

    50% {
        opacity: 1;
        filter: drop-shadow(0 0 18px rgba(91, 164, 217, 0.95)) drop-shadow(0 0 24px rgba(59, 140, 203, 0.8));
    }
}

.floating-triangle-gold {
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-bottom: 22px solid var(--accent-400, #d4a843);
    opacity: 0.85;
    filter: drop-shadow(0 0 10px rgba(212, 168, 67, 0.6));
    animation: floatSwim 7s ease-in-out infinite alternate, rotateStar 15s linear infinite;
}

.floating-triangle-outline {
    width: 0;
    height: 0;
    border-left: 14px solid transparent;
    border-right: 14px solid transparent;
    border-bottom: 24px solid var(--accent-400, #d4a843);
    position: relative;
    opacity: 0.85;
    animation: floatSwim 5.5s ease-in-out infinite alternate-reverse;
}

.floating-star {
    color: var(--accent-400, #d4a843);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 12px rgba(212, 168, 67, 0.7));
    animation: floatSwim 5s ease-in-out infinite alternate, rotateStar 10s linear infinite;
}

.floating-circle-pink {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ec4899;
    opacity: 0.85;
    box-shadow: 0 0 14px rgba(236, 72, 153, 0.7);
    animation: floatSwim 6.5s ease-in-out infinite alternate;
}

.floating-circle-purple {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #8b5cf6;
    opacity: 0.85;
    box-shadow: 0 0 16px rgba(139, 92, 246, 0.7);
    animation: floatSwim 8s ease-in-out infinite alternate-reverse;
}

@keyframes floatSwim {
    0% {
        transform: translateY(0px) rotate(0deg) scale(1);
    }

    50% {
        transform: translateY(-22px) rotate(12deg) scale(1.08);
    }

    100% {
        transform: translateY(14px) rotate(-12deg) scale(0.94);
    }
}

@keyframes rotateStar {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Hero Teacher Graphic Artwork Container */
.hero-artwork-container {
    position: relative;
    width: 100%;
    max-width: 480px;
    min-height: 480px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    margin: 0 auto;
}

/* Background Blobs Behind Teacher */
.hero-blob-primary {
    position: absolute;
    top: 8%;
    right: 5%;
    width: 330px;
    height: 390px;
    background: linear-gradient(135deg, var(--primary-600, #3b8ccb) 0%, var(--primary-800, #19466d) 70%, #112e49 100%);
    border-radius: 40% 60% 70% 30% / 50% 60% 40% 50%;
    z-index: 1;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.35));
    animation: blobMorph 10s ease-in-out infinite alternate;
}

.hero-blob-secondary {
    position: absolute;
    top: 4%;
    left: 3%;
    width: 290px;
    height: 350px;
    background: #ffffff;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    z-index: 0;
    opacity: 0.95;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    animation: blobMorph 12s ease-in-out infinite alternate-reverse;
}

.hero-blob-pink-accent {
    position: absolute;
    top: 10%;
    left: 18%;
    width: 75px;
    height: 36px;
    background: #00d2ff;
    border-radius: 20px;
    transform: rotate(-25deg);
    z-index: 1;
    box-shadow: 0 5px 15px rgba(0, 210, 255, 0.4);
}

.hero-blob-yellow-accent {
    position: absolute;
    top: 28%;
    right: 48%;
    width: 32px;
    height: 32px;
    background: #5ba4d9;
    border-radius: 50%;
    z-index: 1;
    box-shadow: 0 5px 15px rgba(91, 164, 217, 0.5);
}

@keyframes blobMorph {
    0% {
        border-radius: 40% 60% 70% 30% / 50% 60% 40% 50%;
    }

    50% {
        border-radius: 60% 40% 40% 60% / 40% 50% 60% 50%;
    }

    100% {
        border-radius: 50% 50% 60% 40% / 60% 40% 50% 50%;
    }
}

/* Teacher Cutout PNG Image Standing OVER the Blobs */
.hero-teacher-cutout {
    position: relative;
    z-index: 2;
    max-width: 100%;
    max-height: 490px;
    object-fit: contain;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.35));
    transition: transform var(--transition-base);
}

.hero-teacher-cutout:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-description {
        margin: 0 auto var(--space-8);
    }

    .hero-image-wrapper {
        order: -1;
    }

    .hero-artwork-container {
        max-width: 320px;
        min-height: 320px;
    }

    .hero-blob-primary {
        width: 220px;
        height: 260px;
    }

    .hero-blob-secondary {
        width: 200px;
        height: 240px;
    }

    .hero-teacher-cutout {
        max-height: 320px;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

/* ============================================
   Grades Section
   ============================================ */
.grades-section {
    background: var(--bg-main);
}

.grades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 40px var(--space-8);
    margin-top: var(--space-12);
    padding-bottom: 25px;
}

.grade-card {
    display: block;
    background: transparent;
    border-radius: 20px;
    overflow: visible;
    text-decoration: none !important;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    position: relative;
    border: none;
}

.grade-card:hover {
    transform: translateY(-8px);
}

.grade-card-image {
    height: 260px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.grade-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.grade-card:hover .grade-card-image img {
    transform: scale(1.06);
}

.grade-card-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--primary-600, #3b8ccb);
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Floating Overlaying Body Card */
.grade-card-body {
    position: relative;
    z-index: 3;
    margin: -50px 16px 0 16px;
    padding: 22px 24px 20px 24px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.14), 0 2px 6px rgba(0, 0, 0, 0.04);
    transition: all 0.35s ease;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

body.dark-theme .grade-card-body,
[data-theme="dark"] .grade-card-body {
    background: #16253b;
    border-color: rgba(91, 164, 217, 0.25);
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.45);
}

.grade-card:hover .grade-card-body {
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.22);
}

.grade-card-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: #0f2a3f;
    margin: 0 0 12px 0;
    font-family: var(--font-arabic);
    line-height: 1.25;
    text-align: right;
}

body.dark-theme .grade-card-title,
[data-theme="dark"] .grade-card-title {
    color: #ffffff;
}

/* Horizontal Sky Blue Line Divider */
.grade-card-divider {
    width: 100%;
    height: 2.5px;
    background: linear-gradient(90deg, #38bdf8 0%, #5ba4d9 50%, #3b8ccb 100%);
    border-radius: 2px;
    margin-bottom: 14px;
}

.grade-card-desc {
    font-size: 1.05rem;
    font-weight: 600;
    color: #64748b;
    margin: 0;
    font-family: var(--font-arabic);
    text-align: right;
}

body.dark-theme .grade-card-desc,
[data-theme="dark"] .grade-card-desc {
    color: rgba(255, 255, 255, 0.75);
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    background: var(--bg-main);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.feature-card {
    text-align: center;
    padding: var(--space-8) var(--space-6);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-300);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, var(--accent-100), var(--accent-200));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--accent-600);
}

.feature-title {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--neutral-800);
    margin-bottom: var(--space-2);
}

.feature-desc {
    font-size: var(--text-sm);
    color: var(--neutral-500);
    line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--primary-800);
    color: white;
    padding: var(--space-16) 0 var(--space-8);
    margin-top: auto;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.footer-logo {
    height: 60px;
    filter: brightness(0) invert(1);
}

.footer-desc {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
    max-width: 300px;
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
}

.footer-social a:hover {
    background: var(--accent-500);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-6);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   Courses Page
   ============================================ */
.page-header {
    margin-top: var(--navbar-height);
    padding: var(--space-12) 0;
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-600) 100%);
    color: white;
    text-align: center;
}

.page-header h1 {
    color: white;
    font-size: var(--text-4xl);
    margin-bottom: var(--space-2);
}

.page-header p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-lg);
}

/* Course accordion */
.course-accordion {
    margin-bottom: var(--space-4);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: white;
}

.course-accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.course-accordion-header:hover {
    background: var(--neutral-100);
}

.course-accordion-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: var(--font-semibold);
    color: var(--neutral-800);
}

.course-accordion-title i {
    color: var(--primary-500);
}

.course-accordion-toggle {
    background: var(--primary-100);
    color: var(--primary-600);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-fast);
}

.course-accordion-toggle i {
    transition: transform var(--transition-fast);
}

.course-accordion.open .course-accordion-toggle i {
    transform: rotate(180deg);
}

.course-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.course-accordion.open .course-accordion-body {
    max-height: 2000px;
}

.course-accordion-content {
    padding: var(--space-4) var(--space-6) var(--space-6);
    border-top: 1px solid var(--neutral-200);
}

/* Course Cards - Screenshot Design Layout & Color Themes (Compact & Wide) */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 24px;
}

@media (max-width: 500px) {
    .courses-grid {
        grid-template-columns: 1fr;
    }
}

.course-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 14px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.05);
    position: relative;
}

body.dark-theme .course-card,
[data-theme="dark"] .course-card {
    background: #111d2e;
    border-color: rgba(91, 164, 217, 0.35);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.1);
}

.course-card-image {
    height: 215px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    background: #0b131e;
    margin-bottom: 12px;
}

.course-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-card:hover .course-card-image img {
    transform: scale(1.04);
}

.course-card-header-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.course-card-title {
    font-size: 1.18rem;
    font-weight: 900;
    color: #111827;
    margin: 0;
    line-height: 1.4;
    font-family: var(--font-arabic);
    flex: 1;
}

body.dark-theme .course-card-title,
[data-theme="dark"] .course-card-title {
    color: #ffffff;
}

.course-grade-tag {
    background: #f1f5f9;
    color: #475569;
    font-size: 0.88rem;
    font-weight: 900;
    padding: 4px 12px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

body.dark-theme .course-grade-tag,
[data-theme="dark"] .course-grade-tag {
    background: rgba(91, 164, 217, 0.2);
    color: #5ba4d9;
}

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

.course-card-subtitle {
    font-size: 0.88rem;
    color: #4b5563;
    margin-bottom: 12px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

body.dark-theme .course-card-subtitle,
[data-theme="dark"] .course-card-subtitle {
    color: rgba(255, 255, 255, 0.75);
}

.course-card-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.84rem;
    color: #6b7280;
    margin-bottom: 14px;
}

body.dark-theme .course-card-meta,
[data-theme="dark"] .course-card-meta {
    color: rgba(255, 255, 255, 0.7);
}

.course-card-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

/* Paid Course Theme (Sky Blue) */
.course-card.paid-course .course-card-price {
    font-size: 1.35rem;
    font-weight: 900;
    color: #3b8ccb;
    margin: 0;
}

body.dark-theme .course-card.paid-course .course-card-price,
[data-theme="dark"] .course-card.paid-course .course-card-price {
    color: #5ba4d9;
}

.btn-card-enter,
.course-card .btn-card-enter,
.course-card.paid-course .btn-card-enter {
    width: 100%;
    padding: 12px;
    border-radius: 30px;
    border: 2px solid #3b8ccb;
    background: transparent;
    color: #3b8ccb !important;
    font-weight: 900;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.25s ease;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

body.dark-theme .btn-card-enter,
[data-theme="dark"] .btn-card-enter,
body.dark-theme .course-card.paid-course .btn-card-enter,
[data-theme="dark"] .course-card.paid-course .btn-card-enter {
    border-color: rgba(91, 164, 217, 0.6);
    color: #5ba4d9 !important;
}

.course-card.paid-course .btn-card-enter:hover {
    background: #f0f8fd;
}

.btn-card-subscribe,
.course-card .btn-card-subscribe,
.course-card.paid-course .btn-card-subscribe {
    width: 100%;
    padding: 13px;
    border-radius: 30px;
    border: none;
    background: linear-gradient(135deg, #3b8ccb, #5ba4d9) !important;
    color: #ffffff !important;
    font-weight: 900;
    font-size: 1.02rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.25s ease;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 4px 15px rgba(91, 164, 217, 0.4);
    border: 1px solid rgba(91, 164, 217, 0.3);
}

.btn-card-subscribe i,
.btn-card-subscribe span {
    color: #ffffff !important;
}

.course-card.paid-course .btn-card-subscribe:hover {
    background: linear-gradient(135deg, #5ba4d9, #62b5e5) !important;
    transform: scale(1.02);
}

/* Free Course Theme (Red Accent) */
.course-card.free-course .course-card-price {
    font-size: 1.35rem;
    font-weight: 900;
    color: #e11d48;
    margin: 0;
}

.course-card.free-course .btn-card-enter {
    width: 100%;
    padding: 12px;
    border-radius: 30px;
    border: 2px solid #e11d48;
    background: transparent;
    color: #e11d48;
    font-weight: 900;
    font-size: 1rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.course-card.free-course .btn-card-enter:hover {
    background: #fff1f2;
}

.course-card.free-course .btn-card-subscribe {
    width: 100%;
    padding: 13px;
    border-radius: 30px;
    border: none;
    background: linear-gradient(135deg, #fb7185, #e11d48);
    color: #ffffff;
    font-weight: 900;
    font-size: 1.02rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-shadow: 0 4px 15px rgba(225, 29, 72, 0.35);
}

.course-card.free-course .btn-card-subscribe:hover {
    background: linear-gradient(135deg, #fda4af, #f43f5e);
    transform: scale(1.02);
}

.course-card-old-price {
    text-decoration: line-through;
    color: #9ca3af;
    font-size: 0.88rem;
    margin-right: 8px;
    font-weight: normal;
}

.course-free-pill {
    background: #fff1f2;
    color: #e11d48;
    border: 1px solid #fda4af;
    font-size: 0.85rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 20px;
}

body.dark-theme .course-free-pill,
[data-theme="dark"] .course-free-pill {
    background: rgba(225, 29, 72, 0.2);
    color: #fb7185;
    border-color: #fb7185;
}

.course-card-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    margin-top: auto;
}

/* ============================================
   Lesson Accordion & Content Items (Green & Gold Theme)
   ============================================ */
.lesson-accordion-card {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 16px;
    background: var(--bg-surface, #ffffff);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-color, #e2e8f0);
    transition: all 0.3s ease;
}

.lesson-accordion-card.active {
    border-color: var(--primary-400, #5ba4d9);
    box-shadow: 0 6px 20px rgba(91, 164, 217, 0.25);
}

.lesson-accordion-header {
    background: linear-gradient(135deg, #111d2e 0%, #3b8ccb 100%);
    color: #ffffff;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s ease;
    border-bottom: 2px solid var(--primary-400, #5ba4d9);
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.lesson-accordion-header-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.lesson-accordion-header-info h3 {
    font-size: 1.1rem;
    font-weight: 800;
    margin: 0;
    color: #ffffff;
    font-family: var(--font-arabic);
    word-break: break-word;
    overflow-wrap: break-word;
}

.lesson-accordion-header-info p {
    font-size: 0.85rem;
    margin: 4px 0 0 0;
    opacity: 0.9;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    word-break: break-word;
    overflow-wrap: break-word;
}

.lesson-accordion-toggle-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(91, 164, 217, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #5ba4d9;
    transition: transform 0.3s ease;
}

.lesson-accordion-card.active .lesson-accordion-toggle-btn {
    transform: rotate(180deg);
}

.lesson-accordion-body {
    display: none;
    padding: 16px 18px;
    background: var(--bg-main, #f8fafc);
}

.lesson-accordion-card.active .lesson-accordion-body {
    display: block;
}

.lesson-item-row {
    background: var(--bg-card, #ffffff);
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--border-color, #e2e8f0);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
    transition: all 0.2s ease;
}

.lesson-item-row:last-child {
    margin-bottom: 0;
}

.lesson-item-row:hover {
    border-color: var(--primary-400, #5ba4d9);
    transform: translateX(-3px);
}

.lesson-item-row-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-primary, #1e293b);
    flex: 1;
}

.lesson-item-row-title i {
    font-size: 1.1rem;
}

.btn-row-action {
    padding: 7px 22px;
    border-radius: 20px;
    font-size: 0.88rem;
    font-weight: 800;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
    background: linear-gradient(135deg, #3b8ccb, #5ba4d9);
    color: #ffffff;
    box-shadow: 0 3px 10px rgba(91, 164, 217, 0.35);
    border: 1px solid rgba(91, 164, 217, 0.3);
}

.btn-row-action:hover {
    background: linear-gradient(135deg, #5ba4d9, #62b5e5);
    transform: scale(1.04);
}

/* ============================================
   Course Detail Page
   ============================================ */
.course-detail {
    margin-top: var(--navbar-height);
    padding: var(--space-8) 0;
    position: relative;
    z-index: 1;
}

.course-detail-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-8);
    position: relative;
    z-index: 1;
}

.course-detail-info {
    order: 1;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.course-detail-sidebar {
    order: 2;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}

.course-detail-title {
    font-size: var(--text-3xl);
    color: var(--primary-700);
    margin-bottom: var(--space-2);
}

.course-detail-breadcrumb {
    font-size: var(--text-sm);
    color: var(--neutral-500);
    margin-bottom: var(--space-6);
}

.course-detail-tabs {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.course-detail-tab {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    background: var(--neutral-100);
    color: var(--neutral-600);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--transition-fast);
}

.course-detail-tab.active {
    background: var(--primary-600);
    color: white;
}

/* Course content list */
.course-content-list {
    margin-top: var(--space-6);
}

.course-content-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
    background: white;
    transition: all var(--transition-fast);
}

.course-content-item:hover {
    border-color: var(--primary-300);
    background: var(--primary-50);
}

.course-content-item-info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.course-content-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.course-content-item-icon.video {
    background: var(--primary-100);
    color: var(--primary-600);
}

.course-content-item-icon.exam {
    background: var(--error-light);
    color: var(--error);
}

.course-content-item-title {
    font-weight: var(--font-semibold);
    color: var(--neutral-800);
    font-size: var(--text-sm);
}

.course-content-item-subtitle {
    font-size: var(--text-xs);
    color: var(--neutral-500);
}

.course-content-item-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-xs);
    color: var(--neutral-500);
}

.course-content-item-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Video Card Sidebar */
.video-card {
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-4));
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    z-index: 2;
}

.video-card-thumbnail,
#video-thumbnail {
    position: relative;
    height: 240px;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
}

.video-card-thumbnail img,
#video-thumbnail img {
    width: 100% !important;
    max-width: 100% !important;
    height: 100% !important;
    max-height: 100% !important;
    object-fit: cover !important;
    display: block !important;
}

.video-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--space-6);
}

/* Dynamic Moving DRM Watermark Overlay */
.moving-watermark-overlay {
    position: absolute;
    z-index: 2147483647 !important;
    pointer-events: none;
    user-select: none;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    font-weight: 700;
    font-family: var(--font-arabic, sans-serif);
    background: rgba(18, 36, 14, 0.85);
    border: 1.5px solid rgba(212, 168, 67, 0.7);
    padding: 6px 16px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    transition: top 0.6s cubic-bezier(0.4, 0, 0.2, 1), left 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    white-space: nowrap;
    direction: rtl;
    letter-spacing: 0.3px;
}

/* Transparent click interceptor over player's native fullscreen button area */
.fullscreen-click-interceptor {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 55px;
    height: 50px;
    z-index: 99;
    cursor: pointer;
    background: transparent;
    user-select: none;
}

/* Fullscreen support for protected video player container */
.bunny-protected-player-container:fullscreen,
.bunny-protected-player-container:-webkit-full-screen,
.bunny-protected-player-container:-moz-full-screen,
.bunny-protected-player-container:-ms-fullscreen,
#dedicated-video-player:fullscreen,
#dedicated-video-player:-webkit-full-screen,
#dedicated-video-player:-moz-full-screen,
#dedicated-video-player:-ms-fullscreen {
    width: 100vw !important;
    height: 100vh !important;
    background: #000 !important;
    position: fixed !important;
    inset: 0 !important;
    z-index: 2147483646 !important;
}

.bunny-protected-player-container:fullscreen .moving-watermark-overlay,
.bunny-protected-player-container:-webkit-full-screen .moving-watermark-overlay,
.bunny-protected-player-container:-moz-full-screen .moving-watermark-overlay,
.bunny-protected-player-container:-ms-fullscreen .moving-watermark-overlay,
#dedicated-video-player:fullscreen .moving-watermark-overlay,
#dedicated-video-player:-webkit-full-screen .moving-watermark-overlay,
#dedicated-video-player:-moz-full-screen .moving-watermark-overlay,
#dedicated-video-player:-ms-fullscreen .moving-watermark-overlay {
    z-index: 2147483647 !important;
    font-size: 1.15rem !important;
    padding: 10px 22px !important;
    background: rgba(18, 36, 14, 0.9) !important;
    border: 2px solid rgba(212, 168, 67, 0.85) !important;
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.8) !important;
    display: block !important;
    visibility: visible !important;
}

.video-card-title {
    color: white;
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    word-break: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.video-card-body {
    padding: var(--space-6);
}

.video-card-price {
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: var(--primary-700);
    margin-bottom: var(--space-1);
}

.video-card-price-note {
    font-size: var(--text-sm);
    color: var(--neutral-500);
    margin-bottom: var(--space-6);
}

@media (max-width: 968px) {
    .course-detail-grid {
        grid-template-columns: 1fr;
    }

    .course-detail-sidebar {
        order: -1;
    }

    .video-card {
        position: static;
    }
}

/* ============================================
   Schedule Page
   ============================================ */
.schedule-section {
    margin-top: var(--navbar-height);
    padding: var(--space-12) 0;
}

.schedule-grade-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--neutral-800);
    margin-bottom: var(--space-6);
    margin-top: var(--space-10);
    padding-bottom: var(--space-2);
    border-bottom: 2px solid var(--neutral-200);
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
}

.center-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.center-card::before {
    content: 'الحصة تنفعك';
    position: absolute;
    top: 20px;
    right: -40px;
    background: var(--primary-600);
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    padding: var(--space-1) var(--space-10);
    transform: rotate(45deg);
    writing-mode: horizontal-tb;
}

.center-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.center-card-name {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--neutral-800);
    margin-bottom: var(--space-4);
    text-align: center;
}

.center-card-detail {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--neutral-600);
}

.center-card-detail i {
    color: var(--primary-500);
    width: 20px;
    text-align: center;
}

.center-card-map {
    display: block;
    width: 100%;
    margin-top: var(--space-4);
    padding: var(--space-3);
    text-align: center;
    border: 1px solid var(--neutral-300);
    border-radius: var(--radius-md);
    color: var(--neutral-600);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    transition: all var(--transition-fast);
}

.center-card-map:hover {
    background: var(--neutral-100);
    border-color: var(--primary-400);
    color: var(--primary-600);
}

/* ============================================
   Profile Page
   ============================================ */
.profile-page {
    margin-top: var(--navbar-height);
    padding: var(--space-8) 0;
}

.profile-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--space-8);
}

.profile-info-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-6);
}

.profile-stats-grid {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
    .profile-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .profile-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.profile-sidebar {
    background: var(--bg-card, #ffffff);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color, #e2e8f0);
    overflow: hidden;
    height: fit-content;
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-4));
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

body.dark-theme .profile-sidebar,
[data-theme="dark"] .profile-sidebar {
    background: #111d2e;
    border-color: rgba(91, 164, 217, 0.35);
}

.profile-sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    color: var(--text-secondary, #4b5563);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
    border-right: 3px solid transparent;
    cursor: pointer;
}

body.dark-theme .profile-sidebar-item,
[data-theme="dark"] .profile-sidebar-item {
    color: rgba(255, 255, 255, 0.8);
}

.profile-sidebar-item:hover {
    background: var(--primary-50, rgba(91, 164, 217, 0.1));
    color: var(--primary-600);
}

body.dark-theme .profile-sidebar-item:hover,
[data-theme="dark"] .profile-sidebar-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #5ba4d9;
}

.profile-sidebar-item.active {
    background: var(--primary-50);
    color: var(--primary-600);
    border-right-color: var(--primary-500);
    font-weight: var(--font-semibold);
}

body.dark-theme .profile-sidebar-item.active,
[data-theme="dark"] .profile-sidebar-item.active {
    background: rgba(91, 164, 217, 0.2);
    color: #5ba4d9;
    border-right-color: #5ba4d9;
}

.profile-sidebar-item i {
    width: 20px;
    text-align: center;
}

.profile-main {
    min-height: 500px;
}

.profile-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.profile-header h1 {
    font-size: var(--text-3xl);
    color: var(--primary-700);
    margin-bottom: var(--space-2);
}

.profile-header p {
    color: var(--neutral-500);
}

/* Profile Info Card */
.profile-info-card {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    padding: var(--space-8);
    margin-bottom: var(--space-6);
}

.profile-avatar-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-full);
    border: 3px solid var(--primary-400);
    object-fit: cover;
}

.profile-name {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
}

.profile-detail {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--neutral-600);
    margin: var(--space-1) 0;
}

.profile-barcode {
    margin-top: var(--space-4);
    text-align: center;
}

.profile-barcode img {
    max-width: 200px;
    margin: 0 auto;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    padding: var(--space-6);
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: var(--primary-600);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--neutral-500);
    margin-top: var(--space-1);
}

.stat-progress {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-2);
}

/* Progress Circle */
.progress-circle {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-circle svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.progress-circle .bg {
    fill: none;
    stroke: var(--neutral-200);
    stroke-width: 6;
}

.progress-circle .progress {
    fill: none;
    stroke: var(--primary-500);
    stroke-width: 6;
    stroke-linecap: round;
    transition: stroke-dashoffset var(--transition-slow);
}

.progress-circle .value {
    position: absolute;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--primary-600);
}

/* Calendar */
.calendar-widget {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    padding: var(--space-6);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.calendar-header h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
}

.calendar-nav {
    display: flex;
    gap: var(--space-2);
}

.calendar-nav button {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--neutral-100);
    color: var(--neutral-600);
    transition: all var(--transition-fast);
}

.calendar-nav button:hover {
    background: var(--primary-100);
    color: var(--primary-600);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 2px;
    text-align: center;
}

.calendar-day-name {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--neutral-500);
    padding: var(--space-2);
}

.calendar-day {
    padding: var(--space-2);
    font-size: var(--text-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calendar-day:hover {
    background: var(--neutral-100);
}

.calendar-day.today {
    background: var(--primary-600);
    color: white;
    font-weight: var(--font-bold);
}

.calendar-day.has-event {
    color: var(--primary-600);
    font-weight: var(--font-bold);
}

.calendar-day.other-month {
    color: var(--neutral-400);
}

@media (max-width: 768px) {
    .profile-layout {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    .profile-sidebar {
        position: sticky;
        top: 70px;
        z-index: 10;
        display: flex !important;
        flex-direction: row !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        gap: 6px !important;
        padding: 6px !important;
        border-radius: 30px !important;
        scrollbar-width: none !important;
        background: var(--bg-card, #ffffff) !important;
        border: 1px solid var(--border-color, #e2e8f0) !important;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08) !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .profile-sidebar::-webkit-scrollbar {
        display: none !important;
    }

    .profile-sidebar-item {
        white-space: nowrap !important;
        flex-shrink: 0 !important;
        padding: 8px 16px !important;
        border-radius: 20px !important;
        border: none !important;
        font-size: 0.85rem !important;
        font-weight: 700 !important;
        color: var(--text-secondary, #64748b) !important;
        transition: all 0.25s ease !important;
    }

    .profile-sidebar-item:hover {
        background: rgba(91, 164, 217, 0.12) !important;
    }

    .profile-sidebar-item.active {
        background: linear-gradient(135deg, #3b8ccb, #5ba4d9) !important;
        color: #ffffff !important;
        box-shadow: 0 4px 12px rgba(91, 164, 217, 0.35) !important;
        border-bottom-color: transparent !important;
        border-right-color: transparent !important;
    }

    body.dark-theme .profile-sidebar-item.active,
    [data-theme="dark"] .profile-sidebar-item.active {
        background: linear-gradient(135deg, #5ba4d9, #00d2ff) !important;
        color: #0b131e !important;
        box-shadow: 0 4px 12px rgba(91, 164, 217, 0.4) !important;
    }
}

/* ============================================
   Exam Page
   ============================================ */
.exam-page {
    margin-top: var(--navbar-height);
    padding: var(--space-8) 0;
    min-height: calc(100vh - var(--navbar-height));
}

.exam-header {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.exam-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary-700);
}

.exam-timer {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--error-light);
    color: var(--error);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
}

.exam-timer.warning {
    animation: pulse 1s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

.exam-progress {
    margin-bottom: var(--space-6);
}

.exam-progress-bar {
    height: 6px;
    background: var(--neutral-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.exam-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-400));
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.exam-progress-text {
    font-size: var(--text-sm);
    color: var(--neutral-500);
    margin-top: var(--space-2);
    text-align: center;
}

.exam-question {
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    padding: var(--space-8);
    margin-bottom: var(--space-6);
}

.exam-question-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--primary-100);
    color: var(--primary-600);
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

.exam-question-text {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--neutral-800);
    margin-bottom: var(--space-6);
    line-height: 1.8;
}

.exam-question-image {
    max-width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.exam-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.exam-option {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.exam-option:hover {
    border-color: var(--primary-300);
    background: var(--primary-50);
}

.exam-option.selected {
    border-color: var(--primary-500);
    background: var(--primary-50);
}

.exam-option.correct {
    border-color: var(--success);
    background: var(--success-light);
}

.exam-option.wrong {
    border-color: var(--error);
    background: var(--error-light);
}

.exam-option-radio {
    width: 22px;
    height: 22px;
    border-radius: var(--radius-full);
    border: 2px solid var(--neutral-300);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.exam-option.selected .exam-option-radio {
    border-color: var(--primary-500);
}

.exam-option.selected .exam-option-radio::after {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--primary-500);
}

.exam-option-text {
    font-size: var(--text-base);
    color: var(--neutral-700);
}

.exam-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-8);
}

/* ============================================
   Payment Page
   ============================================ */
.payment-page {
    margin-top: var(--navbar-height);
    padding: var(--space-12) 0;
}

.payment-card {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin: var(--space-6) 0;
}

.payment-method {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.payment-method:hover {
    border-color: var(--primary-300);
}

.payment-method.selected {
    border-color: var(--primary-500);
    background: var(--primary-50);
}

.payment-method-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--neutral-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.payment-method-name {
    font-weight: var(--font-semibold);
    color: var(--neutral-800);
}

.payment-method-desc {
    font-size: var(--text-sm);
    color: var(--neutral-500);
}

.payment-details {
    background: var(--neutral-100);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin: var(--space-6) 0;
}

.payment-number {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary-700);
    text-align: center;
    direction: ltr;
    margin: var(--space-3) 0;
}

.payment-upload {
    border: 2px dashed var(--neutral-300);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin: var(--space-6) 0;
}

.payment-upload:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
}

.payment-upload i {
    font-size: 2rem;
    color: var(--neutral-400);
    margin-bottom: var(--space-3);
    display: block;
}

.payment-status {
    text-align: center;
    padding: var(--space-8);
}

.payment-status-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.payment-status-icon.pending {
    background: var(--warning-light);
    color: var(--warning);
}

.payment-status-icon.success {
    background: var(--success-light);
    color: var(--success);
}

/* ============================================
   Auth Pages (Login & Register)
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-800) 50%, var(--neutral-900) 100%);
    padding: var(--space-6);
}

.auth-card {
    width: 100%;
    max-width: 480px;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-2xl);
    animation: fadeUp 0.5s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-logo {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-logo img {
    height: 64px;
    margin: 0 auto;
}

.auth-title {
    text-align: center;
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary-700);
    margin-bottom: var(--space-2);
}

.auth-subtitle {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--neutral-500);
    margin-bottom: var(--space-8);
}

.auth-separator {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--neutral-400);
    font-size: var(--text-sm);
}

.auth-separator::before,
.auth-separator::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--neutral-200);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    font-size: var(--text-sm);
    color: var(--neutral-500);
}

.auth-footer a {
    color: var(--primary-600);
    font-weight: var(--font-semibold);
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* ============================================
   Loading & Empty States
   ============================================ */
.loading-spinner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner::after {
    content: '';
    width: 32px;
    height: 32px;
    border: 3px solid var(--neutral-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.empty-state {
    text-align: center;
    padding: var(--space-16);
    color: var(--neutral-500);
}

.empty-state i {
    font-size: 4rem;
    color: var(--neutral-300);
    margin-bottom: var(--space-4);
    display: block;
}

.empty-state h3 {
    color: var(--neutral-600);
    margin-bottom: var(--space-2);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
    position: fixed;
    top: calc(var(--navbar-height) + var(--space-4));
    left: var(--space-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 320px;
    animation: slideIn 0.3s ease-out;
    border-right: 4px solid;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--error);
}

.toast.warning {
    border-color: var(--warning);
}

.toast.info {
    border-color: var(--info);
}

.toast-close {
    margin-right: auto;
    color: var(--neutral-400);
    font-size: 1.2rem;
    padding: var(--space-1);
}

/* ============================================
   Modal
   ============================================ */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: white;
    border-radius: var(--radius-2xl);
    max-width: 600px;
    width: calc(100% - var(--space-8));
    max-height: calc(100vh - var(--space-16));
    overflow-y: auto;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--neutral-200);
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-500);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--neutral-100);
    color: var(--neutral-800);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    display: flex;
    justify-content: flex-start;
    gap: var(--space-3);
    padding: var(--space-6);
    border-top: 1px solid var(--neutral-200);
}

/* ============================================
   Top Students / Hall of Fame Cards
   ============================================ */
.top-students-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: center;
    gap: var(--space-6);
    padding-top: var(--space-8);
}

.top-student-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    text-align: center;
    position: relative;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-md);
    flex: 1 1 280px;
    max-width: 340px;
    margin-bottom: var(--space-4);
}

.top-student-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* 🏆 1st Place - Grand Champion (المركز الأول) */
.top-student-card.rank-1st {
    transform: scale(1.08);
    border: 2px solid #f59e0b;
    box-shadow: 0 14px 38px rgba(245, 158, 11, 0.32);
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.1) 0%, var(--bg-card) 100%);
    padding: var(--space-8) var(--space-6);
    z-index: 3;
}

body.dark-theme .top-student-card.rank-1st,
[data-theme="dark"] .top-student-card.rank-1st {
    background: linear-gradient(180deg, rgba(245, 158, 11, 0.18) 0%, #111d2e 100%);
    border-color: #f59e0b;
}

.top-student-card.rank-1st .top-student-avatar {
    width: 145px !important;
    height: 145px !important;
    border: 4px solid #f59e0b !important;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
}

.top-student-card.rank-1st .top-student-name {
    font-size: 1.4rem;
    color: #d97706;
}

.top-student-card.rank-1st .top-student-rank-ribbon {
    background: linear-gradient(135deg, #f59e0b, #b45309);
    font-size: 0.92rem;
    padding: 6px 16px;
}

/* 🥈 2nd Place - Silver Champion (المركز الثاني) */
.top-student-card.rank-2nd {
    transform: scale(1.02);
    border: 2px solid #94a3b8;
    box-shadow: 0 10px 28px rgba(148, 163, 184, 0.25);
    background: linear-gradient(180deg, rgba(148, 163, 184, 0.08) 0%, var(--bg-card) 100%);
    padding: 1.75rem var(--space-6);
    z-index: 2;
}

body.dark-theme .top-student-card.rank-2nd,
[data-theme="dark"] .top-student-card.rank-2nd {
    background: linear-gradient(180deg, rgba(148, 163, 184, 0.15) 0%, #111d2e 100%);
}

.top-student-card.rank-2nd .top-student-avatar {
    width: 125px !important;
    height: 125px !important;
    border: 3px solid #94a3b8 !important;
    box-shadow: 0 6px 20px rgba(148, 163, 184, 0.35);
}

.top-student-card.rank-2nd .top-student-name {
    font-size: 1.25rem;
}

.top-student-card.rank-2nd .top-student-rank-ribbon {
    background: linear-gradient(135deg, #94a3b8, #64748b);
}

/* 🥉 3rd Place - Bronze Champion (المركز الثالث) */
.top-student-card.rank-3rd {
    transform: scale(0.97);
    border: 2px solid #d97706;
    box-shadow: 0 8px 22px rgba(217, 119, 6, 0.22);
    background: linear-gradient(180deg, rgba(217, 119, 6, 0.06) 0%, var(--bg-card) 100%);
    padding: 1.5rem var(--space-6);
    z-index: 1;
}

body.dark-theme .top-student-card.rank-3rd,
[data-theme="dark"] .top-student-card.rank-3rd {
    background: linear-gradient(180deg, rgba(217, 119, 6, 0.12) 0%, #111d2e 100%);
}

.top-student-card.rank-3rd .top-student-avatar {
    width: 115px !important;
    height: 115px !important;
    border: 3px solid #d97706 !important;
    box-shadow: 0 6px 16px rgba(217, 119, 6, 0.3);
}

.top-student-card.rank-3rd .top-student-rank-ribbon {
    background: linear-gradient(135deg, #d97706, #78350f);
}

/* 🎖️ Standard Ranks (المركز الرابع فما فوق) */
.top-student-card.rank-standard {
    transform: scale(0.92);
}

.top-student-card.rank-standard .top-student-avatar {
    width: 105px !important;
    height: 105px !important;
    border: 2px solid #5ba4d9 !important;
}

/* Crown Icon on 1st Place */
.top-student-avatar-wrapper {
    position: relative;
    display: inline-block;
    margin: 0 auto var(--space-4);
}

.crown-icon {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2.2rem;
    filter: drop-shadow(0 4px 8px rgba(245, 158, 11, 0.5));
    animation: floatCrown 3s ease-in-out infinite;
    z-index: 3;
}

@keyframes floatCrown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-6px); }
}

.top-student-rank-ribbon {
    position: absolute;
    top: 14px;
    right: 14px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #ffffff;
    font-weight: 800;
    font-size: 0.82rem;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
    z-index: 2;
}

.top-student-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(91, 164, 217, 0.12);
    border: 1px solid #5ba4d9;
    color: #5ba4d9;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    z-index: 2;
}

body.dark-theme .top-student-badge,
[data-theme="dark"] .top-student-badge {
    background: rgba(91, 164, 217, 0.2);
    color: #5ba4d9;
    border-color: rgba(91, 164, 217, 0.4);
}

.top-student-avatar {
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 auto;
    transition: all 0.3s ease;
}

.top-student-name {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.top-student-info {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
}

.top-student-quote {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    font-style: italic;
    background: rgba(212, 168, 67, 0.08);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    border-right: 3px solid var(--accent-400);
}

/* ============================================
   Comprehensive Mobile & Tablet Responsive Overrides
   ============================================ */
html,
body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
}

@media (max-width: 860px) {
    .hero-v2 {
        min-height: auto;
        padding: 40px 0 55px;
        margin-top: 75px;
    }

    .hero-v2-grid {
        grid-template-columns: 1fr !important;
        text-align: center;
        gap: 30px;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .hero-v2-title {
        font-size: 1.85rem !important;
        line-height: 1.35;
        margin-bottom: 14px;
    }

    .hero-v2-subtitle {
        font-size: 0.95rem;
        line-height: 1.65;
        margin-bottom: 24px;
        max-width: 100%;
    }

    .hero-edtech-buttons {
        justify-content: center;
        width: 100%;
        gap: 12px;
    }

    .btn-edtech-primary,
    .btn-edtech-secondary {
        width: 100%;
        max-width: 280px;
        padding: 13px 24px;
        font-size: 1.02rem;
    }

    .hero-v2-image-container {
        order: -1;
        width: 100%;
        max-width: 320px;
        min-height: 320px;
        margin: 0 auto;
    }

    .circle-stage-wrapper {
        width: 300px;
        height: 300px;
    }

    .outer-wire-ring {
        width: 300px;
        height: 300px;
    }

    .main-mask-circle {
        width: 260px;
        height: 260px;
    }

    .diagonal-pie-slice {
        width: 260px;
        height: 260px;
    }

    .hero-teacher-image {
        height: 270px !important;
    }

    .grade-card-image {
        height: 210px;
    }

    .grade-card-body {
        margin: -40px 12px 0 12px;
        padding: 18px 18px 16px 18px;
    }

    .grade-card-title {
        font-size: 1.25rem;
    }

    .grade-card-desc {
        font-size: 0.95rem;
    }

    .hero-stats-row {
        justify-content: center;
        gap: 16px;
        margin-top: 25px;
        padding-top: 20px;
        width: 100%;
    }

    .hero-stat-num {
        font-size: 1.5rem;
    }

    /* Course Detail Page Grid */
    .course-detail-grid {
        grid-template-columns: 1fr !important;
        gap: 24px;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
    }

    .course-detail-info {
        order: 1;
        min-width: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .course-detail-sidebar {
        order: -1;
        min-width: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .video-card {
        position: static;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
    }

    /* Page Header */
    .page-header {
        margin-top: 60px;
        padding: 52px 0 30px;
    }

    .page-header h1 {
        font-size: 1.8rem;
        margin-top: 8px;
        color: #ffffff !important;
    }
}

@media (max-width: 640px) {
    :root {
        --text-5xl: 2.25rem;
        --text-4xl: 1.875rem;
        --text-3xl: 1.5rem;
    }

    .section {
        padding: var(--space-10) 0;
    }

    .container {
        padding-left: 12px !important;
        padding-right: 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        margin-left: auto !important;
        margin-right: auto !important;
        box-sizing: border-box !important;
    }

    .courses-grid,
    .course-detail-grid,
    .grades-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }

    .course-card,
    .lesson-accordion-card,
    .course-accordion,
    .profile-card,
    .card {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
        padding: 12px;
        border-radius: 14px;
        overflow: hidden;
    }

    .video-card {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        border-radius: 16px;
        overflow: hidden;
    }

    .course-card-header-row,
    .course-card-price-row {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        flex-wrap: wrap;
        gap: 6px;
    }

    .course-card-title {
        font-size: 1.08rem;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .course-card-subtitle {
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .course-card-image {
        height: 180px;
        width: 100%;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    /* Lesson Items on Mobile */
    .lesson-item-row {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 10px 12px;
    }

    .lesson-item-row-title {
        flex: 1;
        min-width: 0;
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.88rem;
    }

    .lesson-item-row-title span {
        white-space: normal !important;
        word-break: break-word;
        line-height: 1.35;
    }

    .btn-row-action {
        width: auto !important;
        flex-shrink: 0 !important;
        padding: 6px 14px !important;
        font-size: 0.8rem !important;
        border-radius: 18px !important;
    }

    /* Accordions on Mobile */
    .course-accordion-header,
    .lesson-accordion-header {
        padding: 12px 14px;
        gap: 8px;
    }

    .lesson-accordion-header-info h3 {
        font-size: 0.98rem;
    }

    .lesson-accordion-header-info p {
        font-size: 0.78rem;
    }

    .lesson-accordion-header>div:last-child {
        gap: 6px !important;
        flex-shrink: 0;
    }

    .lesson-accordion-header .btn {
        padding: 4px 8px !important;
        font-size: 0.72rem !important;
        white-space: nowrap !important;
    }

    .course-accordion-title {
        font-size: 0.95rem;
        word-break: break-word;
    }

    .course-accordion-toggle {
        padding: 4px 10px;
        font-size: 0.8rem;
    }

    /* Mobile Tabs Scroll */
    .course-detail-tabs {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap !important;
        padding-bottom: 6px;
        scrollbar-width: none;
        width: 100%;
    }

    .course-detail-tabs::-webkit-scrollbar {
        display: none;
    }

    .course-detail-tab {
        white-space: nowrap;
        font-size: 0.8rem;
        padding: 6px 12px;
        flex-shrink: 0;
    }

    .video-card-thumbnail,
    #video-thumbnail {
        height: auto !important;
        aspect-ratio: 16 / 9 !important;
        max-height: 210px !important;
        width: 100% !important;
    }

    .video-card-body {
        padding: 14px 12px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .video-card-body .btn,
    .video-card-body .btn-block,
    .video-card-body .btn-lg {
        white-space: normal !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
        font-size: 0.88rem !important;
        padding: 10px 14px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        display: inline-flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        gap: 8px !important;
        border-radius: 25px !important;
    }

    .btn,
    .btn-block,
    .btn-lg {
        white-space: normal !important;
        word-break: break-word !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .container {
        padding: 0 var(--space-4);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    /* Footer Mobile Alignment */
    .footer {
        width: 100%;
        padding: 24px 0;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }

    .footer-brand {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-bottom {
        width: 100%;
        text-align: center;
        font-size: 0.82rem;
    }
}

/* ============================================
   Animated Waves Page Header (الكورسات)
   ============================================ */
.courses-hero-banner {
    position: relative;
    background: linear-gradient(135deg, #eb3358 0%, #e11d48 40%, #f43f5e 75%, #fb7185 100%);
    min-height: 280px;
    padding: 115px 0 95px 0;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(225, 29, 72, 0.2);
}

.courses-hero-container {
    position: relative;
    z-index: 3;
    width: 100%;
}

.courses-hero-text-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.courses-hero-watermark,
#header-grade-watermark {
    position: absolute;
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: clamp(2.4rem, 6vw, 4.8rem);
    font-weight: 900;
    color: rgba(255, 255, 255, 0.14) !important;
    white-space: nowrap;
    user-select: none;
    pointer-events: none;
    line-height: 1;
    z-index: 1;
    font-family: var(--font-arabic);
    letter-spacing: -1px;
}

.courses-hero-title,
.courses-hero-title *,
#header-grade-title,
#header-grade-name {
    color: #ffffff !important;
    position: relative;
    z-index: 2;
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: 800;
    margin: 0;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-arabic);
}

/* Dynamic Wave Base Fill matching page background */
.wave-base-fill {
    fill: var(--bg-main, #f8faf6);
    transition: fill 0.3s ease;
}

body.dark-theme .wave-base-fill,
[data-theme="dark"] .wave-base-fill {
    fill: #0b131e !important;
}

/* Wave Container & Waves SVG */
.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
    pointer-events: none;
}

.waves {
    position: relative;
    width: 100%;
    height: 75px;
    margin-bottom: -1px;
    min-height: 50px;
    max-height: 95px;
}

/* Waves Parallax Animation */
.parallax>use {
    animation: move-forever 25s cubic-bezier(.55, .5, .45, .5) infinite;
}

.parallax>use:nth-child(1) {
    animation-delay: -2s;
    animation-duration: 7s;
}

.parallax>use:nth-child(2) {
    animation-delay: -3s;
    animation-duration: 10s;
}

.parallax>use:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 13s;
}

.parallax>use:nth-child(4) {
    animation-delay: -5s;
    animation-duration: 20s;
}

@keyframes move-forever {
    0% {
        transform: translate3d(-90px, 0, 0);
    }

    100% {
        transform: translate3d(85px, 0, 0);
    }
}

/* Title Underline & Section Title Styling */
.courses-section-main-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-extrabold);
    color: var(--primary-700);
    position: relative;
    display: inline-block;
}

.courses-section-main-title .highlight {
    color: #e11d48;
}

.courses-section-main-title .title-underline {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #e11d48, #fb7185);
    border-radius: var(--radius-full);
    margin-top: var(--space-2);
}

@media (max-width: 768px) {
    .waves {
        height: 55px;
        min-height: 45px;
    }

    .courses-hero-banner {
        min-height: 220px;
        padding: 95px 0 75px 0;
    }

    .courses-hero-watermark {
        font-size: 2.2rem;
        right: -5px;
    }

    .courses-hero-title {
        font-size: 1.6rem;
    }

    /* ============================================
   Dynamic Floating Watermark Overlay (Slow Motion Gliding)
   ============================================ */
    .moving-watermark-overlay {
        position: absolute !important;
        z-index: 2147483645 !important;
        color: rgba(255, 255, 255, 0.45) !important;
        background: rgba(0, 0, 0, 0.25) !important;
        padding: 5px 12px !important;
        border-radius: 20px !important;
        font-size: 0.82rem !important;
        font-weight: 600 !important;
        letter-spacing: 0.5px !important;
        pointer-events: none !important;
        user-select: none !important;
        -webkit-user-select: none !important;
        white-space: nowrap !important;
        backdrop-filter: blur(2px) !important;
        border: 1px solid rgba(255, 255, 255, 0.1) !important;
        transition: top 5s ease-in-out, left 5s ease-in-out, opacity 3s ease-in-out !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
    }

    :fullscreen .moving-watermark-overlay,
    :-webkit-full-screen .moving-watermark-overlay,
    :-moz-full-screen .moving-watermark-overlay {
        position: fixed !important;
        z-index: 2147483645 !important;
    }

    /* ============================================
   Anti-Screenshot & Screen-Record Security Layer
   ============================================ */
    .video-security-black-overlay {
        position: absolute !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 100% !important;
        background: #000000 !important;
        z-index: 2147483647 !important;
        display: none !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        color: #ffffff !important;
        font-family: inherit !important;
        text-align: center !important;
        padding: 20px !important;
        box-sizing: border-box !important;
        user-select: none !important;
        -webkit-user-select: none !important;
        pointer-events: auto !important;
    }

    :fullscreen .video-security-black-overlay,
    :-webkit-full-screen .video-security-black-overlay,
    :-moz-full-screen .video-security-black-overlay {
        position: fixed !important;
        z-index: 2147483647 !important;
    }

    .video-security-black-overlay.active {
        display: flex !important;
    }

    .video-security-black-overlay i {
        font-size: 3rem;
        color: #ef4444;
        margin-bottom: 12px;
    }

    .video-security-black-overlay h4 {
        font-size: 1.25rem;
        margin: 0 0 6px 0;
        color: #ffffff;
    }

    .video-security-black-overlay p {
        font-size: 0.85rem;
        color: #a1a1aa;
        margin: 0;
    }