/* QR Memory System - Main Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;600;700&display=swap');

* {
    font-family: 'Cairo', sans-serif;
}

:root {
    --primary-color: #003366;
    --secondary-color: #004d99;
    --accent-color: #d4af37;
    --light-gray: #f5f5f5;
    --text-dark: #333;
    --text-light: #666;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

html {
    direction: rtl;
    scroll-behavior: smooth;
}

body {
    background-color: var(--light-gray);
    color: var(--text-dark);
    font-size: 16px;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    transition: color 0.3s ease;
}

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

/* Sidebar */
.sidebar {
    background: var(--primary-color);
    color: white;
    min-height: 100vh;
    padding: 20px 0;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 12px 20px;
    border-right: 3px solid transparent;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: var(--secondary-color);
    border-right-color: var(--accent-color);
    color: white;
}

/* Main Content */
.main-content {
    padding: 30px;
}

/* Cards */
.card {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    font-weight: 600;
}

/* Stat Cards */
.stat-card {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-card .stat-label {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 10px;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transition: all 0.3s ease;
}

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

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

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

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.875rem;
}

/* Forms */
.form-control,
.form-select {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0.75rem;
    transition: border-color 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 51, 102, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

/* Tables */
.table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.table thead th {
    border: none;
    font-weight: 600;
    padding: 15px;
}

.table tbody td {
    padding: 12px 15px;
    vertical-align: middle;
    border-color: #f0f0f0;
}

.table tbody tr:hover {
    background-color: #f9f9f9;
}

/* Tabs */
.nav-tabs {
    border-bottom: 2px solid #ddd;
}

.nav-tabs .nav-link {
    color: var(--text-light);
    border: none;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--accent-color);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    background-color: transparent;
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 4px;
    padding: 15px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Badges */
.badge {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Modal */
.modal-content {
    border: none;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 20px;
    text-align: center;
    margin-top: 30px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Features Section */
.features {
    padding: 60px 20px;
}

.feature-box {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-5px);
}

.feature-box i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-box h3 {
    font-weight: 600;
    margin: 15px 0;
    color: var(--text-dark);
}

/* QR Scanner */
.qr-scanner-container {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#qr-reader {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 250px;
        height: 100vh;
        z-index: 1000;
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }

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

    .main-content {
        padding: 15px;
    }

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

    .stat-card .stat-number {
        font-size: 2rem;
    }

    .table {
        font-size: 0.875rem;
    }

    .table thead th,
    .table tbody td {
        padding: 8px;
    }
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

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

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

.bg-primary {
    background-color: var(--primary-color) !important;
}

.bg-secondary {
    background-color: var(--secondary-color) !important;
}

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

.shadow-sm {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

.shadow-md {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1) !important;
}

.shadow-lg {
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1) !important;
}

.rounded-lg {
    border-radius: 8px;
}

.transition-all {
    transition: all 0.3s ease;
}

/* Print Styles */
@media print {
    .navbar,
    .sidebar,
    .btn,
    .footer {
        display: none !important;
    }

    .main-content {
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}