/* Variables */
:root {
    --primary-color: #1e3a8a;
    --secondary-color: #2563eb;
    --accent-color: #3b82f6;
    --success-color: #059669;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --light-bg: #f3f4f6;
    --border-color: #e5e7eb;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

/* Base styles */
body {
    font-family: 'Cairo', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
}

/* Navbar */
.navbar {
    background-color: var(--white);
    padding: 1rem;
    box-shadow: var(--shadow);
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-color) !important;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--secondary-color);
}

.nav-link.active {
    color: var(--secondary-color);
    font-weight: 600;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.hero-section h1 {
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.hero-section .lead {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.card-text {
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

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

.btn-outline-primary:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    transform: translateY(-1px);
}

/* Forms */
.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.625rem 1rem;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

/* Modals */
.modal-content {
    border: none;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
}

.modal-title {
    font-weight: 600;
    color: var(--primary-color);
}

.modal-body {
    padding: 1.5rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-success {
    background-color: #ecfdf5;
    color: var(--success-color);
}

.alert-error {
    background-color: #fef2f2;
    color: var(--danger-color);
}

.alert-warning {
    background-color: #fffbeb;
    color: var(--warning-color);
}

/* Dropdown */
.dropdown-menu {
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
}

.dropdown-item {
    padding: 0.625rem 1rem;
    border-radius: 0.5rem;
    color: var(--text-color);
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--light-bg);
    color: var(--secondary-color);
}

.dropdown-item i {
    margin-left: 0.5rem;
    color: var(--text-light);
}

/* User Info */
.user-info .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
}

.user-info .user-name {
    font-weight: 500;
}

/* Search Box */
.search-box {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-top: -3rem;
    position: relative;
    z-index: 1;
}

.search-box .form-control,
.search-box .form-select {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 3rem 0;
    }
    
    .search-box {
        padding: 1.5rem;
        margin-top: -2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
}

/* Loading States */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

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

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* RTL Specific */
[dir="rtl"] .dropdown-item i {
    margin-right: 0;
    margin-left: 0.5rem;
}

[dir="rtl"] .form-select {
    background-position: left 0.75rem center;
    padding-right: 1rem;
    padding-left: 2.5rem;
}

/* Utilities */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-danger { background-color: var(--danger-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }

.border-primary { border-color: var(--primary-color) !important; }
.border-secondary { border-color: var(--secondary-color) !important; }
.border-success { border-color: var(--success-color) !important; }
.border-danger { border-color: var(--danger-color) !important; }
.border-warning { border-color: var(--warning-color) !important; }