/* ===== ROOT VARIABLES ===== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #059669;
    --accent-color: #7c3aed;
    --danger-color: #dc2626;
    --warning-color: #d97706;
    --success-color: #16a34a;
    
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-color);
    direction: rtl;
    text-align: right;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-fluid {
    width: 100%;
    padding: 0 1rem;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
}

.nav-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateY(-1px);
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 2rem 0 1rem 0;
    text-align: center;
}

.subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin-bottom: 2rem;
}

/* ===== CARDS ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control:invalid {
    border-color: var(--danger-color);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: left 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-left: 3rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1e40af 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #15803d 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #15803d 0%, #166534 100%);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #b91c1c 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* ===== TABLES ===== */
.table-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin: 1rem 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    font-weight: 600;
    color: var(--text-primary);
}

.table tbody tr:hover {
    background: var(--bg-color);
}

.table-striped tbody tr:nth-child(even) {
    background: rgba(248, 250, 252, 0.5);
}

/* ===== ALERTS ===== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
    border: 1px solid;
}

.alert-success {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.alert-danger {
    background: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.alert-warning {
    background: #fffbeb;
    border-color: #fed7aa;
    color: #92400e;
}

.alert-info {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1e40af;
}

/* ===== FILTERS SECTION ===== */
.filters-section {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.filter-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* ===== RESULTS SECTION ===== */
.results-section {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.results-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-count {
    font-weight: 600;
    color: var(--text-primary);
}

.export-btn {
    font-size: 0.875rem;
}

/* ===== AUTH PAGES ===== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 2rem;
}

.auth-card {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 400px;
}

.auth-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* ===== ADMIN PANEL ===== */
.admin-panel {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.admin-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-actions {
        flex-direction: column;
    }
    
    .results-header {
        flex-direction: column;
        text-align: center;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .admin-panel {
        position: static;
        margin-bottom: 1rem;
    }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.loading {
    opacity: 0.7;
    pointer-events: none;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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