/* style.css - النسخة الكاملة الموحدة والمصححة */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@300;400;500;700;800&display=swap');

/* =========================================
   1. CSS Variables & Theme Setup
   ========================================= */
:root {
    /* الوضع المظلم (الافتراضي) */
    --primary-blue: #2A5CAA;
    --manager-green: #2E7D32;
    --distributor-orange: #EF6C00;
    --accent-purple: #7B1FA2;
    --dark-bg: #121212;
    --card-bg: #1E1E1E;
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border-color: #333;
    --nav-bg: rgba(18, 18, 18, 0.95);
    --hero-gradient-start: #1a2a3a;
    --hero-gradient-end: #121212;
    --success: #4CAF50;
    --warning: #FF9800;
    --danger: #F44336;
}

/* فئة الوضع المضيء */
body.light-mode {
    --dark-bg: #F0F2F5;
    --card-bg: #FFFFFF;
    --text-primary: #2C3E50;
    --text-secondary: #596b7e;
    --border-color: #E1E4E8;
    --nav-bg: rgba(255, 255, 255, 0.98);
    --hero-gradient-start: #DCE8F7;
    --hero-gradient-end: #F0F2F5;
}

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

body {
    font-family: 'Tajawal', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* =========================================
   2. Navbar & Menu (Fixed)
   ========================================= */
.navbar {
    background-color: var(--nav-bg);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 2000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
}

.nav-logo-img {
    height: 40px;
    width: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-blue);
    padding: 2px;
    background: #fff;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

/* أزرار التحكم في الناف بار */
.nav-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    margin: 0 10px;
}

.control-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 2001;
}

/* --- Mobile Menu Fix --- */
@media (max-width: 900px) {
    .nav-menu {
        position: fixed;
        top: 70px; /* تحت الناف بار مباشرة */
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        
        /* إخفاء القائمة */
        display: none;
        z-index: 1999;
    }

    .nav-menu.active {
        display: flex; /* إظهار القائمة */
        animation: slideDown 0.3s ease-out;
    }

    .nav-menu li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }

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

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   3. Buttons
   ========================================= */
.btn {
    padding: 8px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary { background-color: var(--primary-blue); color: white; }
.btn-primary:hover { background-color: #1a4780; transform: translateY(-2px); }

.btn-outline { border: 1px solid var(--primary-blue); color: var(--primary-blue); background: transparent; }
.btn-outline:hover { background-color: var(--primary-blue); color: white; }

/* =========================================
   4. Landing Sections
   ========================================= */
.hero {
    padding: 150px 0 100px;
    background: radial-gradient(circle at top right, var(--hero-gradient-start) 0%, var(--hero-gradient-end) 60%);
    text-align: center;
}

.hero-title { font-size: 2.5rem; margin-bottom: 20px; color: var(--text-primary); }
.highlight { color: var(--primary-blue); }
.hero-subtitle { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 40px; }
.hero-buttons { display: flex; justify-content: center; gap: 20px; margin-bottom: 60px; flex-wrap: wrap; }

.hero-stats {
    display: flex; gap: 30px; justify-content: center;
    margin-top: 30px; border-top: 1px solid var(--border-color); padding-top: 20px; flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number { font-size: 1.5rem; font-weight: bold; display: block; }
.stat-label { font-size: 0.9rem; color: var(--text-secondary); }

.features { padding: 80px 0; background-color: var(--dark-bg); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-title { font-size: 2.2rem; color: var(--primary-blue); margin-bottom: 10px; }
.section-subtitle { color: var(--text-secondary); }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: 0.3s;
}
.feature-card:hover { transform: translateY(-5px); border-color: var(--primary-blue); }
.feature-card h3 { color: var(--text-primary); margin: 15px 0; }
.feature-list { list-style: none; margin-top: 15px; }
.feature-list li { color: var(--text-secondary); margin-bottom: 8px; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }

/* Hierarchy */
.structure { padding: 80px 0; background-color: rgba(0,0,0,0.05); }
.hierarchy-chart { display: flex; flex-direction: column; align-items: center; gap: 20px; margin-top: 40px; }
.role-cards { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.role-card {
    background: var(--card-bg); padding: 20px; border-radius: 12px;
    border: 1px solid var(--border-color); text-align: center; min-width: 220px;
}
.role-card h4 { color: var(--text-primary); margin: 10px 0; }
.role-card.superadmin { border-top: 4px solid var(--warning); }
.role-card.manager { border-top: 4px solid var(--primary-blue); }
.role-card.distributor { border-top: 4px solid var(--manager-green); }
.hierarchy-arrow i { color: var(--text-secondary); opacity: 0.5; }
.permission-tag {
    display: inline-block; background: rgba(128,128,128,0.1); padding: 4px 8px;
    border-radius: 4px; font-size: 0.75rem; margin: 2px; color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

/* Screens Tabs */
.screens { padding: 80px 0; }
.tabs-header { display: flex; justify-content: center; gap: 15px; margin-bottom: 30px; flex-wrap: wrap; }
.tab-btn {
    background: transparent; border: 1px solid var(--border-color); color: var(--text-secondary);
    padding: 10px 25px; border-radius: 30px; cursor: pointer; font-family: inherit; font-weight: bold;
    transition: 0.3s; display: flex; gap: 8px; align-items: center;
}
.tab-btn.active, .tab-btn:hover { background: var(--primary-blue); color: white; border-color: var(--primary-blue); }
.tab-pane { display: none; animation: fadeIn 0.5s; }
.tab-pane.active { display: block; }
.screen-preview {
    background: var(--card-bg); padding: 30px; border-radius: 15px; border: 1px solid var(--border-color);
    display: grid; grid-template-columns: 1.5fr 1fr; gap: 30px; align-items: center;
}
.screen-image img { width: 100%; border-radius: 10px; border: 1px solid var(--border-color); }
.screen-features ul { list-style: none; }
.screen-features li { margin-bottom: 12px; display: flex; gap: 10px; align-items: center; color: var(--text-secondary); }

/* Download */
.download-content {
    background: linear-gradient(135deg, var(--primary-blue), #1a4780);
    text-align: center; padding: 60px 20px; border-radius: 20px; margin: 60px 0;
}
.download-buttons { display: flex; justify-content: center; gap: 20px; margin-top: 30px; flex-wrap: wrap; }
.download-btn {
    background: rgba(0,0,0,0.3); color: white; padding: 10px 25px; border-radius: 10px;
    text-decoration: none; display: flex; align-items: center; gap: 15px; transition: 0.3s;
    border: 1px solid rgba(255,255,255,0.2); min-width: 200px;
}
.download-btn:hover { background: white; color: var(--primary-blue); transform: translateY(-3px); }
.app-info { display: flex; justify-content: center; gap: 30px; margin-top: 40px; flex-wrap: wrap; }
.info-item { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.9); }

/* Footer */
.footer { background-color: #050505; padding: 60px 0 20px; border-top: 1px solid var(--border-color); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; }
.footer-col h4 { color: var(--text-primary); margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; color: var(--text-secondary); }
.footer-col a { color: var(--text-secondary); text-decoration: none; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid #333; margin-top: 40px; color: var(--text-secondary); }

@media (max-width: 900px) {
    .screen-preview { grid-template-columns: 1fr; }
    .hero-title { font-size: 2rem; }
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* =========================================
   5. Dashboard / Devices Zone / Studio (Extra)
   ========================================= */
.zone-container {
    max-width: 1400px; margin: 80px auto; padding: 20px;
    display: grid; grid-template-columns: 300px 1fr; gap: 20px;
}
.devices-sidebar {
    background: var(--card-bg); border-radius: 12px; padding: 20px;
    height: fit-content; border: 1px solid var(--border-color);
}
.device-list-btn {
    display: flex; justify-content: space-between; align-items: center; width: 100%;
    padding: 15px; margin-bottom: 10px; background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color); color: var(--text-primary); border-radius: 8px;
    cursor: pointer; transition: 0.3s;
}
.device-list-btn:hover, .device-list-btn.active {
    background: var(--primary-blue); border-color: var(--primary-blue); color: white;
}
.status-dot { height: 10px; width: 10px; border-radius: 50%; display: inline-block; }
.online { background: #4CAF50; box-shadow: 0 0 5px #4CAF50; }
.offline { background: #F44336; }

.workspace {
    background: var(--card-bg); border-radius: 12px; padding: 30px;
    border: 1px solid var(--border-color); min-height: 600px;
}
.workspace-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 20px; border-bottom: 1px solid var(--border-color); padding-bottom: 15px;
}
.studio-container {
    display: grid; grid-template-columns: 350px 1fr; gap: 20px;
    background: var(--card-bg); padding: 20px; border-radius: 12px;
    border: 1px solid var(--border-color); margin-top: 20px;
}
.control-group { background: rgba(255,255,255,0.03); padding: 15px; border-radius: 8px; border: 1px solid var(--border-color); }
.studio-input, .gen-input {
    width: 100%; background: var(--dark-bg); border: 1px solid var(--border-color);
    color: var(--text-primary); padding: 10px; border-radius: 6px; margin-bottom: 10px;
}
.studio-preview {
    background: #000; border: 2px dashed var(--border-color); border-radius: 8px;
    display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; min-height: 500px;
}
.preview-element {
    position: absolute; cursor: grab; background: rgba(255, 255, 255, 0.4);
    padding: 2px 6px; border-radius: 4px; user-select: none; transform: translate(-50%, -50%);
}

@media (max-width: 900px) {
    .zone-container, .studio-container { grid-template-columns: 1fr; }
}