/* حماية قوية من النسخ والاختيار - تطبق على جميع الصفحات */
* {
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    -webkit-touch-callout: none !important;
    -webkit-tap-highlight-color: transparent !important;
    -moz-user-select: -moz-none !important;
    -khtml-user-select: none !important;
}

input[type="text"], 
input[type="email"], 
input[type="password"],
textarea {
    -webkit-user-select: text !important;
    -moz-user-select: text !important;
    -ms-user-select: text !important;
    user-select: text !important;
}

body, html {
    -webkit-touch-callout: none !important;
    -webkit-user-select: none !important;
    -khtml-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

/* منع السحب */
img, a, div, p, span, h1, h2, h3, h4, h5, h6 {
    -webkit-user-drag: none !important;
    -khtml-user-drag: none !important;
    -moz-user-drag: none !important;
    -o-user-drag: none !important;
}

/* منع التحديد البصري */
::selection {
    background: transparent !important;
    color: inherit !important;
}

::-moz-selection {
    background: transparent !important;
    color: inherit !important;
}

/* أنماط عامة */
:root {
    --primary-color: #4361ee;
    --secondary-color: #3a0ca3;
    --accent-color: #4cc9f0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --gray-color: #6c757d;
    --bg: #f5f7fb;
    --card-bg: #ffffff;
    --nav-bg: #ffffff;
    --footer-bg: #1a1a1a;
    --soft-bg: #f0f2ff; /* light soft panels */
    --border-color: #eee;
    --text: var(--dark-color);
    --muted: var(--gray-color);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* dark mode variables */
.dark-mode {
    --bg: #0b1220;
    --card-bg: #0f1724;
    --nav-bg: rgba(12, 16, 24, 0.95);
    --footer-bg: #071019;
    --text: #e6eef8;
    --muted: #9aa6b2;
    --primary-color: #7c86ff;
    --soft-bg: rgba(255,255,255,0.02);
    --border-color: rgba(255,255,255,0.06);
}

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

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    direction: rtl;
}

/* الشريط العلوي */
.navbar {
    background-color: var(--nav-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

html, body, .navbar, .hero, .category-card, footer {
    transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
} 

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo i {
    margin-left: 10px;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-right: 20px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--primary-color);
    background-color: #f0f2ff;
}

.btn-start-exam {
    background-color: var(--primary-color);
    color: white !important;
    padding: 10px 20px !important;
    border-radius: 5px !important;
    font-size: 0.95rem !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    transition: var(--transition) !important;
}

.btn-start-exam i {
    font-size: 1rem;
}

.btn-start-exam:hover {
    background-color: var(--secondary-color) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text);
    cursor: pointer;
}

/* قسم البطل */
.hero {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero h1 {
    font-size: 2.8rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: var(--muted);
    margin-bottom: 30px;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.btn-hero:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    color: white;
}

.btn-hero i {
    margin-left: 10px;
    font-size: 1.3rem;
}

.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* فئات الاختبارات */
.categories {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}

.categories h2 {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 50px;
    font-size: 2.2rem;
}

.categories h2 i {
    margin-left: 10px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.category-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text);
    font-size: 1.2rem;
    padding: 6px 10px;
    margin-left: 6px;
    cursor: pointer;
    border-radius: 6px;
}

.btn-icon:hover {
    background: rgba(0,0,0,0.05);
}

/* Update feature card bg */
.feature {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
}

footer {
    background-color: var(--footer-bg);
    color: var(--text);
    padding-top: 50px;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.category-icon {
    width: 70px;
    height: 70px;
    background-color: #f0f2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-color);
    font-size: 1.8rem;
}

.category-card h3 {
    margin-bottom: 15px;
    color: var(--text);
}

.category-card p {
    color: var(--muted);
    margin-bottom: 20px;
}

.btn-category {
    display: inline-block;
    background-color: #f0f2ff;
    color: var(--primary-color);
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-category:hover {
    background-color: var(--primary-color);
    color: white;
}

/* المميزات */
.features {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}

.features h2 {
    text-align: center;
    color: var(--secondary-color);
    margin-bottom: 50px;
    font-size: 2.2rem;
}

.features h2 i {
    margin-left: 10px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
}

.feature i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.feature h3 {
    margin-bottom: 15px;
    color: var(--text);
}

.feature p {
    color: var(--muted);
}

/* الإحصائيات */
.stats {
    max-width: 1200px;
    margin: 80px auto;
    padding: 40px 20px;
    background-color: var(--primary-color);
    border-radius: 15px;
    display: flex;
    justify-content: space-around;
    text-align: center;
    color: white;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* التذييل */
footer {
    background-color: var(--footer-bg);
    color: var(--text);
    padding-top: 50px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--accent-color);
}

.footer-section p {
    margin-bottom: 15px;
    color: #ccc;
}

/* Social actions (WhatsApp buttons) */
.footer-section .social-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.footer-section .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 10px;
    font-weight: 600;
    color: #fff;
    transition: var(--transition);
}

.footer-section .btn i {
    font-size: 1.1rem;
}

.footer-section .btn-join {
    background: linear-gradient(90deg, #25D366 0%, #16C25B 100%);
    box-shadow: 0 6px 14px rgba(37,211,102,0.18);
}

.footer-section .btn-contact {
    background: var(--primary-color);
}

.footer-section .btn:hover {
    transform: translateY(-3px);
    opacity: 0.95;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent-color);
    padding-right: 5px;
}

.footer-bottom {
    background-color: #1a1a1a;
    text-align: center;
    padding: 20px;
    color: #999;
}

/* تصميم متجاوب */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content, .hero-image {
        flex: none;
        width: 100%;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        right: 0;
        background-color: var(--nav-bg);
        width: 100%;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: 10px 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
}