/* style.css - MealLense Website Styles with Sesame Brown Elegant Theme */
:root {
    /* Primary Colors - Sesame Brown Palette (لون طحيني دافئ) */
    --primary-50: #346a2f;
    --primary-100: #163017;
    --primary-200: #E6DAC2;
    --primary-300: #DCCCAB;
    --primary-400: #D2BE94;
    --primary-500: #60b558;
    /* لون طحيني رئيسي */
    --primary-600: #fbdfb9;
    --primary-700: #f5dab6;
    --primary-800: #fae8d2;
    --primary-900: #f1e4d5;

    /* Secondary Colors - Warm Cream Accent */
    --secondary-50: #44562e;
    --secondary-100: #0f0f0f;
    --secondary-200: #FFEBB3;
    --secondary-300: #FFDF85;
    --secondary-400: #FFD357;
    --secondary-500: #f7dcb1;
    /* كريمي دافئ */
    --secondary-600: #f5e0a7;
    --secondary-700: #CC9F22;
    --secondary-800: #B38B1E;
    --secondary-900: #f8eac5;

    /* Accent Colors - Soft Olive */
    --accent-50: #F5F7F0;
    --accent-100: #E8EDDC;
    --accent-200: #DCE3C8;
    --accent-300: #CFD9B4;
    --accent-400: #C3CFA0;
    --accent-500: #A7B583;
    /* زيتوني ناعم */
    --accent-600: #95A175;
    --accent-700: #838D67;
    --accent-800: #717959;
    --accent-900: #5F654B;

    /* Neutral Colors - Warm Beige Greys */
    --neutral-50: #f7f6f3;
    --neutral-100: #121211;
    --neutral-200: #0b0b0b;
    --neutral-300: #131313;
    --neutral-400: #CEC9B5;
    --neutral-500: #BAB39E;
    --neutral-600: #96907E;
    --neutral-700: #f7f5f5;
    --neutral-800: #4E4A3E;
    --neutral-900: #3e7539;

    /* Semantic Colors - Coordinated with Sesame Theme */
    --success-color: #8A9A5B;
    /* أخضر زيتوني */
    --success-light: #F0F5E6;
    --success-dark: #6E7D49;

    --warning-color: #D4A762;
    /* طحيني فاتح */
    --warning-light: #FCF5E9;
    --warning-dark: #B38B54;

    --error-color: #C1785A;
    /* بني محمر دافئ */
    --error-light: #FBECE6;
    --error-dark: #9D624A;

    --info-color: #7A8C8C;
    /* رمادي مزرق ناعم */
    --info-light: #EFF2F2;
    --info-dark: #5E6E6E;

    /* Theme Variables */
    --bg-color: var(--neutral-50);
    --text-color: var(--neutral-900);
    --card-bg: #FFFEF9;
    --border-color: var(--neutral-200);
    --shadow-color: rgba(179, 139, 84, 0.08);

    /* Layout */
    --border-radius: 12px;
    --border-radius-sm: 6px;
    --border-radius-lg: 20px;
    --box-shadow: 0 4px 16px var(--shadow-color);
    --box-shadow-lg: 0 8px 32px rgba(179, 139, 84, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Typography */
    --font-family: 'Poppins', 'Segoe UI', -apple-system, sans-serif;
    --font-family-heading: 'Montserrat', 'Poppins', sans-serif;
}

/* Dark Theme - Sesame Brown Dark Mode */
[data-theme="dark"] {
    /* Sesame Brown Tones for Dark Mode */
    --primary-500: #60b558;
    /* لون طحيني فاتح للدارك مود */
    --primary-400: #E6C9A8;
    --primary-600: #C29A6E;

    --secondary-500: #FFD89C;
    /* كريمي دافئ للدارك مود */
    --secondary-400: #FFE4BA;
    --secondary-600: #E6C28C;

    --accent-500: #B8C69E;
    /* زيتوني فاتح للدارك مود */

    /* Dark Mode Base */
    --bg-color: #1A1A1A;
    --text-color: #F5F1E8;
    --card-bg: #2A2A2A;
    --border-color: #E6C28C;
    --shadow-color: rgba(0, 0, 0, 0.4);

    /* Dark mode specific shadows */
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --box-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Dark Mode Neutral Updates */
    --neutral-50: #f1eeee;
    --neutral-100: #d4cece;
    --neutral-200: #f4f0f0;
    --neutral-300: #60b558;
    --neutral-800: #30302b;
    --neutral-900: #454341;

    /* Dark Mode Semantic Colors */
    --success-color: #9CB070;
    --success-light: #a6e16b;
    --warning-color: #E6C28C;
    --warning-light: #3A2E1A;
    --error-color: #D49A7A;
    --error-light: #ee4b14;
    --info-color: #f3fefe;
    --info-light: #effdfd;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    /* background-color: var(--); */
    /* background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-700) 100%); */
    background-color: wheat;
    transition: var(--transition);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    color: var(--neutral-700);
}

[data-theme="dark"] p {
    color: var(--neutral-400);
}

/* Navigation */
.navbar {
    background-color: var(--bg-color);
    box-shadow: 0 2px 10px var(--shadow-color);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: 700;
    color: #2C5A2A;
    /* أخضر غامق */
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-text {
    font-family: var(--font-family-heading);
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #2C5A2A 0%, #3E7539 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(44, 90, 42, 0.1);
}

[data-theme="dark"] .logo-text {
    background: linear-gradient(135deg, #60B558 0%, #8BC34A 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive logo */
@media (max-width: 768px) {
    .logo-img {
        width: 35px;
        height: 35px;
    }

    .logo-text {
        font-size: 1.7rem;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.5rem;
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-menu a:hover {
    background-color: var(--primary-50);
    color: var(--primary-600);
}

[data-theme="dark"] .nav-menu a:hover {
    background-color: var(--neutral-200);
    color: var(--primary-500);
}

.nav-menu a.active {
    background-color: var(--primary-500);
    color: var(--primary-50);
}

.nav-menu a.admin-btn {
    background-color: var(--secondary-500);
    color: var(--neutral-900);
}

.nav-menu a.admin-btn:hover {
    background-color: var(--secondary-600);
    transform: translateY(-2px);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: 50%;
    background-color: var(--card-bg);
    color: var(--primary-500);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    width: 44px;
    height: 44px;
}

.theme-toggle:hover {
    background-color: var(--primary-50);
    transform: rotate(15deg);
}

[data-theme="dark"] .theme-toggle:hover {
    background-color: var(--neutral-200);
}

.theme-toggle i {
    font-size: 1.2rem;
}

/* Chat Toggle */
.chat-toggle {
    background-color: var(--primary-500);
    color: var(--primary-50);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-size: 1.2rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--box-shadow-lg);
}

.chat-toggle:hover {
    background-color: var(--primary-600);
    transform: scale(1.1);
}

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--error-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-color);
    padding: var(--spacing-sm);
}

.mobile-menu {
    display: none;
    background-color: var(--bg-color);
    padding: var(--spacing-md);
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius-sm);
    margin-top: var(--spacing-sm);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
}

.mobile-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: var(--text-color);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

.mobile-menu a:hover {
    background-color: var(--primary-50);
    color: var(--primary-600);
}

[data-theme="dark"] .mobile-menu a:hover {
    background-color: var(--neutral-200);
}

.mobile-menu.active {
    display: block;
}

/* ===== Home Hero Section with Side-by-Side Layout ===== */
.home-hero {
    padding: 120px var(--spacing-lg) 80px;
    background-color: wheat;
    color: var(--primary-50);
    margin-top: 10px;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    width: 100%;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--primary-50);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-content h1 .logo-img {
    width: 60px;
    height: 60px;
}

.hero-content h1 span {
    background-color: var(--primary-50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.hero-content p {
    font-size: 1.3rem;
    color: var(--primary-50);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-buttons .btn-primary,
.hero-buttons .btn-secondary {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    font-family: inherit;
    min-width: 220px;
    justify-content: center;
}

.hero-buttons .btn-primary {
    background-color: var(--primary-50);
    color: var(--primary-700);
}

.hero-buttons .btn-primary:hover {
    background-color: var(--primary-100);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-lg);
}

.hero-buttons .btn-secondary {
    background-color: transparent;
    border-color: var(--primary-50);
    color: var(--primary-50);
}

.hero-buttons .btn-secondary:hover {
    background-color: var(--primary-50);
    color: var(--primary-700);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-lg);
}

.features-preview {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: black;
    color: var(--primary-50);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.feature-item i {
    color: var(--secondary-500);
}

/* App Preview Image on Right */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    width: 100%;
    max-width:350px;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    transform: perspective(1000px) rotateY(5deg) rotateX(5deg);
    transition: var(--transition);
    border: 8px solid var(--primary-50);
    animation: float 6s ease-in-out infinite;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0) rotateX(0) scale(1.05);
}

/* Dark Theme Adjustments */
[data-theme="dark"] body {
    background-color: rgb(14, 14, 14);
}

[data-theme="dark"] .home-hero {
    background-color: rgb(14, 14, 14);
}

[data-theme="dark"] .hero-content h1 {
    color: var(--primary-500);
}

[data-theme="dark"] .hero-content h1 span {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .hero-content p {
    color: var(--neutral-300);
}

[data-theme="dark"] .hero-buttons .btn-primary {
    background-color: var(--primary-500);
    color: var(--primary-900);
}

[data-theme="dark"] .hero-buttons .btn-primary:hover {
    background-color: var(--primary-400);
}

[data-theme="dark"] .hero-buttons .btn-secondary {
    border-color: var(--primary-400);
    color: var(--primary-400);
}

[data-theme="dark"] .hero-buttons .btn-secondary:hover {
    background-color: var(--primary-400);
    color: var(--primary-900);
}

[data-theme="dark"] .feature-item {
    background-color: var(--neutral-800);
    color: var(--primary-400);
}

[data-theme="dark"] .feature-item i {
    color: var(--primary-500);
}

/* Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotateY(5deg) rotateX(5deg);
    }
    50% {
        transform: translateY(-20px) rotateY(5deg) rotateX(5deg);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
        text-align: center;
    }
    
    .hero-content h1 {
        justify-content: center;
        font-size: 3rem;
    }
    
    .hero-content p {
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-preview {
        justify-content: center;
    }
    
    .hero-image img {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .home-hero {
        padding: 100px var(--spacing-md) 60px;
        min-height: auto;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        min-width: auto;
    }
    
    .hero-image img {
        max-width: 300px;
        border-width: 6px;
    }
    
    .features-preview {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
        gap: var(--spacing-sm);
    }
    
    .hero-content h1 .logo-img {
        width: 50px;
        height: 50px;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-image img {
        max-width: 250px;
    }
    
    .feature-item {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
}

/* Features Preview */
.home-features-preview {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.home-feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: black;
    color: var(--primary-50);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.home-feature-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.home-feature-item i {
    color: var(--secondary-500);
}

[data-theme="dark"] .home-feature-item {
    background-color: black;
    color: var(--primary-50);
}

[data-theme="dark"] .home-feature-item i {
    color: var(--primary-50);
}

/* Features Section - Why Choose MealLense */
.features {
    padding: var(--spacing-2xl) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    background-color: wheat;
}

.features h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-color);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.features h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-500), var(--secondary-500));
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    /* أربع أعمدة متساوية */
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-300);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-500);
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.feature-card:hover i {
    transform: scale(1.1);
    color: var(--primary-600);
}

.feature-card h3 {
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--neutral-600);
    font-size: 0.95rem;
    line-height: 1.5;
    flex-grow: 1;
}

[data-theme="dark"] .feature-card p {
    color: var(--neutral-400);
}

/* Team Preview */
.team-preview {
    padding: var(--spacing-2xl) var(--spacing-lg);
    /* background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-700) 100%); */
    background-color: wheat;
    margin: var(--spacing-2xl) 0;
}

.team-preview h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.team-preview h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-500), var(--secondary-500));
    border-radius: 2px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.team-member {
    background-color: var(--bg-color);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
    border-color: var(--primary-300);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--primary-50);
    font-size: 2rem;
    font-weight: 700;
}

.team-member h3 {
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
}

.team-member p {
    color: var(--neutral-600);
    margin-bottom: var(--spacing-xs);
}

.student-id {
    font-size: 0.9rem;
    color: var(--neutral-500);
    font-weight: 500;
}

[data-theme="dark"] .team-member p,
[data-theme="dark"] .student-id {
    color: var(--neutral-400);
}

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) var(--spacing-lg);
    /* background-color: var(--bg-color); */
    background-color: wheat;

    /* background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-700) 100%); */

}

.contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-500), var(--secondary-500));
    border-radius: 2px;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-form {
    background-color: var(--card-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

.contact-form h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(179, 139, 84, 0.15);
}

.contact-info {
    background: linear-gradient(135deg, var(--neutral-800) 0%, var(--neutral-900) 100%);
    color: var(--neutral-100);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
}

.contact-info h3 {
    color: var(--neutral-100);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.contact-info p {
    color: var(--neutral-300);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--neutral-700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-100);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-500);
    transform: translateY(-3px);
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    display: none;
    flex-direction: column;
    z-index: 1001;
    border: 1px solid var(--border-color);
    max-height: 500px;
    overflow: hidden;
}

.chat-header {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    color: var(--primary-50);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-content h4 {
    margin: 0;
    color: var(--primary-50);
    font-size: 1.1rem;
}

#adminStatus {
    font-size: 0.8rem;
    opacity: 0.9;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 2px 8px;
    border-radius: 10px;
}

.chat-close {
    background: none;
    border: none;
    color: var(--primary-50);
    font-size: 1.2rem;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 4px;
    transition: var(--transition);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.chat-body {
    padding: var(--spacing-md);
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-height: 400px;
}

.welcome-message {
    background-color: var(--primary-50);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--primary-100);
}

[data-theme="dark"] .welcome-message {
    background-color: var(--neutral-800);
    border-color: var(--neutral-700);
}

.message {
    max-width: 80%;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    position: relative;
}

.user-message {
    align-self: flex-end;
    background-color: var(--primary-500);
    color: var(--primary-50);
    border-bottom-right-radius: 4px;
}

.admin-message {
    align-self: flex-start;
    background-color: var(--neutral-100);
    color: var(--neutral-900);
    border-bottom-left-radius: 4px;
}

[data-theme="dark"] .admin-message {
    background-color: var(--neutral-700);
    color: var(--neutral-100);
}

.message-content p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.4;
}

.message-time {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: var(--spacing-xs);
    display: block;
    text-align: right;
}

.chat-input-container {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-sm);
    background-color: var(--bg-color);
}

#chatInput {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-family: inherit;
    transition: var(--transition);
    font-size: 0.95rem;
}

#chatInput:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 2px rgba(179, 139, 84, 0.1);
}

.send-btn {
    background-color: var(--primary-500);
    color: var(--primary-50);
    border: none;
    width: 40px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.send-btn:hover {
    background-color: var(--primary-600);
    transform: scale(1.05);
}

.chat-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--neutral-50);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

[data-theme="dark"] .chat-footer {
    background-color: var(--neutral-800);
}

.chat-footer small {
    font-size: 0.8rem;
    color: var(--neutral-600);
}

/* Footer */
footer {
    background-color: wheat;
    color: var(--neutral-100);
    padding: var(--spacing-2xl) var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    /* background-color: rgb(252, 250, 250); */
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-50);
    margin-bottom: var(--spacing-lg);
}

.footer-content p {
    color: var(--primary-50);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--neutral-300);
    text-decoration: none;
    transition: var(--transition);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
}

.footer-links a:hover {
    color: var(--primary-400);
    background-color: rgba(255, 255, 255, 0.05);
}

.copyright {
    font-size: 0.9rem;
    color: var(--neutral-500);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--neutral-800);
}

/* Security Footer */
.security-footer {
    background-color: var(--neutral-800);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--neutral-700);
}

.security-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    color: var(--neutral-400);
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.security-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
}

.security-item i {
    color: var(--success-color);
}

/* Notifications */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    background: var(--card-bg);
    box-shadow: var(--box-shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 10000;
    transform: translateX(150%);
    transition: transform 0.3s ease;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid var(--success-color);
    color: var(--success-dark);
}

.notification.error {
    border-left: 4px solid var(--error-color);
    color: var(--error-dark);
}

.notification i {
    font-size: 1.5rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .chat-widget {
        width: 100%;
        bottom: 0;
        right: 0;
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }

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

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .security-info {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 600px) {
    .team-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding: 100px var(--spacing-md) 40px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9rem;
        justify-content: center;
    }

    .features,
    .team-preview,
    .contact {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    /* About Page Specific Styles */

    /* ===== About Hero Section ===== */
    .about-hero {
        padding: 8rem 2rem 4rem;
        text-align: center;
        background-color: wheat;
        /* background: linear-gradient(135deg,
                rgba(251, 223, 185, 0.1) 0%,
                rgba(250, 232, 210, 0.2) 100%); */
        position: relative;
        overflow: hidden;
        margin-top: 60px;
    }

    .about-hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-image: url('../images/pattern.svg');
        background-size: 400px;
        opacity: 0.1;
        z-index: 0;
    }

    .about-hero h1 {
        font-size: 3.5rem;
        color: var(--neutral-900);
        margin-bottom: var(--spacing-lg);
        position: relative;
        z-index: 1;
        text-shadow: 0 2px 4px var(--shadow-color);
    }

    .about-hero p {
        font-size: 1.3rem;
        color: var(--neutral-700);
        max-width: 600px;
        margin: 0 auto;
        position: relative;
        z-index: 1;
        line-height: 1.6;
    }

    [data-theme="dark"] .about-hero {
        background: linear-gradient(135deg,
                rgba(96, 181, 88, 0.1) 0%,
                rgba(139, 195, 74, 0.15) 100%);
    }

    [data-theme="dark"] .about-hero h1 {
        color: var(--primary-500);
    }

    [data-theme="dark"] .about-hero p {
        color: var(--neutral-300);
    }

    /* ===== Story Section ===== */
    .story {
        padding: var(--spacing-2xl) var(--spacing-lg);
        max-width: 1200px;
        margin: 0 auto;

    }

    .story h2 {
        text-align: center;
        color: var(--primary-500);
        margin-bottom: var(--spacing-xl);
        position: relative;
        display: inline-block;
        left: 50%;
        transform: translateX(-50%);
    }

    .story h2::after {
        content: '';
        position: absolute;
        bottom: -8px;
        left: 25%;
        width: 50%;
        height: 3px;
        background: linear-gradient(90deg,
                transparent,
                var(--secondary-500),
                transparent);
        border-radius: 2px;
    }

    .story-content {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--spacing-xl);
        background-color: var(--card-bg);
        padding: var(--spacing-xl);
        border-radius: var(--border-radius-lg);
        box-shadow: var(--box-shadow);
        border: 1px solid var(--border-color);
    }

    .story-content p {
        font-size: 1.1rem;
        line-height: 1.8;
        color: var(--neutral-800);
        padding: var(--spacing-md);
        background: linear-gradient(135deg,
                rgba(247, 220, 177, 0.1) 0%,
                rgba(248, 234, 197, 0.05) 100%);
        border-radius: var(--border-radius);
        border-left: 4px solid var(--secondary-500);
    }

    [data-theme="dark"] .story-content p {
        color: var(--neutral-300);
        background: linear-gradient(135deg,
                rgba(96, 181, 88, 0.1) 0%,
                rgba(139, 195, 74, 0.05) 100%);
        border-left-color: var(--primary-500);
    }

    /* ===== Team Section ===== */
    .team {
        padding: var(--spacing-2xl) var(--spacing-lg);
        background: linear-gradient(135deg,
                rgba(247, 220, 177, 0.05) 0%,
                rgba(248, 234, 197, 0.02) 100%);
    }

    .team h2 {
        text-align: center;
        color: var(--primary-500);
        margin-bottom: var(--spacing-2xl);
    }

    .team-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-xl);
        max-width: 1200px;
        margin: 0 auto;
        padding: var(--spacing-lg);
    }

    .team-card {
        background-color: var(--card-bg);
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-xl);
        text-align: center;
        box-shadow: var(--box-shadow);
        transition: var(--transition);
        border: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        height: 100%;
    }

    .team-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--box-shadow-lg);
        border-color: var(--secondary-500);
    }

    .team-card img {
        width: 150px;
        height: 150px;
        border-radius: 50%;
        object-fit: cover;
        margin-bottom: var(--spacing-lg);
        border: 4px solid var(--secondary-500);
        box-shadow: 0 4px 12px var(--shadow-color);
    }

    .team-card h3 {
        color: var(--primary-500);
        margin-bottom: var(--spacing-xs);
        font-size: 1.5rem;
    }

    .team-card .role {
        color: var(--secondary-500);
        font-weight: 600;
        font-size: 1.1rem;
        margin-bottom: var(--spacing-sm);
    }

    .team-card p:not(.role) {
        color: var(--neutral-700);
        font-size: 0.95rem;
        margin-bottom: var(--spacing-md);
        flex-grow: 1;
    }

    .team-social {
        display: flex;
        gap: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }

    .team-social a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: var(--secondary-500);
        color: var(--neutral-900);
        border-radius: 50%;
        text-decoration: none;
        transition: var(--transition);
        font-size: 1.2rem;
    }

    .team-social a:hover {
        background-color: var(--primary-500);
        color: white;
        transform: scale(1.1);
    }

    [data-theme="dark"] .team-card {
        background-color: var(--card-bg);
        border-color: var(--primary-600);
    }

    [data-theme="dark"] .team-card:hover {
        border-color: var(--primary-500);
    }

    [data-theme="dark"] .team-card p:not(.role) {
        color: var(--neutral-400);
    }

    /* ===== University Section ===== */
    .university {
        padding: var(--spacing-2xl) var(--spacing-lg);
        max-width: 1200px;
        margin: 0 auto;
    }

    .university h2 {
        text-align: center;
        color: var(--primary-500);
        margin-bottom: var(--spacing-xl);
    }

    .uni-info {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--spacing-xl);
        align-items: center;
        background-color: var(--card-bg);
        padding: var(--spacing-xl);
        border-radius: var(--border-radius-lg);
        box-shadow: var(--box-shadow);
        border: 1px solid var(--border-color);
    }

    .uni-info img {
        width: 200px;
        height: auto;
        justify-self: center;
        filter: drop-shadow(0 4px 8px var(--shadow-color));
        transition: var(--transition);
    }

    .uni-info img:hover {
        transform: scale(1.05);
    }

    .uni-info h3 {
        color: var(--primary-500);
        margin-bottom: var(--spacing-md);
        font-size: 1.8rem;
    }

    .uni-info p {
        color: var(--neutral-700);
        line-height: 1.7;
        margin-bottom: var(--spacing-md);
    }

    .uni-info strong {
        color: var(--secondary-500);
    }

    [data-theme="dark"] .uni-info {
        background-color: var(--card-bg);
        border-color: var(--primary-600);
    }

    [data-theme="dark"] .uni-info p {
        color: var(--neutral-400);
    }

    /* ===== Responsive Design ===== */
    @media (max-width: 768px) {
        .about-hero {
            padding: 6rem 1.5rem 3rem;
        }

        .about-hero h1 {
            font-size: 2.5rem;
        }

        .about-hero p {
            font-size: 1.1rem;
        }

        .story,
        .team,
        .university {
            padding: var(--spacing-xl) var(--spacing-md);
        }

        .story-content,
        .uni-info {
            padding: var(--spacing-lg);
        }

        .team-grid {
            grid-template-columns: 1fr;
            padding: 0;
        }

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

        .uni-info img {
            width: 150px;
        }
    }

    @media (max-width: 480px) {
        .about-hero h1 {
            font-size: 2rem;
        }

        .story-content,
        .team-card,
        .uni-info {
            padding: var(--spacing-md);
        }

        .team-card img {
            width: 120px;
            height: 120px;
        }

        .story h2,
        .team h2,
        .university h2 {
            font-size: 2rem;
        }
    }

    /* ===== Loading State ===== */
    .team-card,
    .uni-info {
        animation: fadeInUp 0.6s ease-out;
    }

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

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

    /* ===== Print Styles ===== */
    @media print {
        .about-hero {
            background: none !important;
            padding-top: 2rem !important;
        }

        .team-card:hover {
            transform: none !important;
            box-shadow: none !important;
        }

        .team-social,
        .uni-info img:hover {
            transform: none !important;
        }
    }

    /* تحسينات للدردشة */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    height: 500px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    display: none;
    flex-direction: column;
    z-index: 1000;
    font-family: 'Poppins', sans-serif;
}

.chat-header {
    background: linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
    color: white;
    padding: 15px;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-content img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s;
}

.chat-close:hover {
    background: rgba(255,255,255,0.2);
}

.chat-body {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background: #f8f9fa;
}

.message {
    margin-bottom: 15px;
    max-width: 80%;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-message {
    margin-left: auto;
}

.user-message .message-content {
    background: linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
    color: white;
    padding: 10px 15px;
    border-radius: 15px 15px 0 15px;
}

.admin-message .message-content,
.system-message .message-content {
    background: white;
    padding: 10px 15px;
    border-radius: 15px 15px 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-left: 4px solid #4ECDC4;
}

.message-content p {
    margin: 0;
    line-height: 1.4;
}

.message-time {
    font-size: 11px;
    color: #999;
    display: block;
    margin-top: 5px;
    text-align: right;
}

.chat-input-container {
    padding: 15px;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
    background: white;
    border-radius: 0 0 15px 15px;
}

#chatInput {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 25px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border 0.3s;
}

#chatInput:focus {
    border-color: #4ECDC4;
    box-shadow: 0 0 0 2px rgba(78, 205, 196, 0.2);
}

.send-btn {
    background: linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(78, 205, 196, 0.4);
}

.chat-footer {
    padding: 8px 15px;
    background: #f8f9fa;
    border-top: 1px solid #eee;
    text-align: center;
}

.chat-footer small {
    font-size: 11px;
    color: #999;
}

.chat-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 5px 20px rgba(78, 205, 196, 0.4);
    z-index: 999;
    transition: transform 0.3s, box-shadow 0.3s;
}

.chat-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(78, 205, 196, 0.5);
}

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    font-size: 11px;
    font-weight: bold;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
}

.welcome-message {
    background: white;
    padding: 15px;
    border-radius: 15px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-left: 4px solid #FFD166;
}

.welcome-message p {
    margin: 0;
    line-height: 1.5;
}

.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 10px 15px;
    border-radius: 10px;
    border-left: 4px solid #c62828;
    font-size: 14px;
}
}