/* ============================================
   MSHB Partner Portal - Professional Design
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success: #10b981;
    --success-dark: #059669;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --warning: #f59e0b;
    --info: #3b82f6;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.5;
    color: var(--gray-800);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* ============================================
   Header
   ============================================ */

.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 16px 0;
    margin-bottom: 32px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.8);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.header-nav {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.header-nav a {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}

.header-nav a:hover {
    color: var(--primary);
    background: var(--gray-100);
}

/* ============================================
   Cards
   ============================================ */

.card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 32px;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.9);
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 25px 30px -5px rgba(0,0,0,0.12);
}

.card-header {
    border-bottom: 2px solid var(--gray-100);
    padding-bottom: 20px;
    margin-bottom: 28px;
}

.card-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.025em;
    margin-bottom: 6px;
}

.card-subtitle {
    color: var(--gray-500);
    font-size: 0.95rem;
    font-weight: 400;
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: 22px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: all 0.2s;
    background: white;
    color: var(--gray-800);
}

.form-control:hover {
    border-color: var(--gray-300);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

.invalid-feedback {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 6px;
    font-weight: 500;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

small.text-muted {
    display: block;
    margin-top: 6px;
    color: var(--gray-500);
    font-size: 0.825rem;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.4);
    transform: translateY(-1px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #d97706 100%);
    color: white;
}

.btn-sm {
    padding: 8px 12px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    min-width: 36px;
    min-height: 36px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   Alerts
   ============================================ */

.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    border-left: 4px solid;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border-color: var(--success);
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border-color: var(--danger);
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border-color: var(--info);
}

/* ============================================
   Tables - Optimized for no horizontal scroll
   ============================================ */

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.875rem;
}

.table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
    padding: 12px 10px;
    text-align: left;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 10px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.875rem;
}

.table tbody tr {
    transition: background 0.15s;
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* Compact columns */
.table td:nth-child(1),  /* Порядковый номер */
.table td:nth-child(2) {  /* № заказа */
    max-width: 80px;
    text-align: center;
}

.table th:nth-child(1),
.table th:nth-child(2) {
    text-align: center;
}

/* ============================================
   Badges
   ============================================ */

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-pending {
    background: #fef3c7;
    color: #92400e;
}

.badge-approved {
    background: #d1fae5;
    color: #065f46;
}

.badge-rejected {
    background: #fee2e2;
    color: #991b1b;
}

/* ============================================
   Navigation Tabs
   ============================================ */

.nav-tabs {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    padding: 4px;
    border-radius: var(--radius-lg);
    margin-bottom: 28px;
}

.nav-tab {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: all 0.2s;
    text-align: center;
}

.nav-tab:hover {
    color: var(--primary);
}

.nav-tab.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
}

/* ============================================
   Stats Grid
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    color: var(--gray-500);
    margin-top: 8px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ============================================
   Modals
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s;
    box-shadow: var(--shadow-xl);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-direction: row-reverse;
}

.modal-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gray-900);
}

.modal-close {
    background: var(--gray-100);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

/* ============================================
   Utilities
   ============================================ */

.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.hidden { display: none !important; }

/* ============================================
   Loading Spinner
   ============================================ */

.spinner {
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .container {
        padding: 20px;
    }
    
    .card {
        padding: 24px;
    }
    
    .table {
        font-size: 0.825rem;
    }
    
    .table th,
    .table td {
        padding: 10px 8px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .card {
        padding: 20px;
        border-radius: var(--radius-lg);
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .header-nav {
        width: 100%;
        justify-content: flex-start;
    }
    
    .nav-tabs {
        flex-direction: column;
        gap: 4px;
    }
    
    .nav-tab {
        width: 100%;
        text-align: left;
        padding: 12px 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .table-responsive {
        font-size: 0.75rem;
    }
    
    .table th,
    .table td {
        padding: 8px 6px;
        max-width: 100px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .btn-sm {
        padding: 6px 10px;
        font-size: 0.8rem;
        min-width: 32px;
        min-height: 32px;
    }
    
    .modal {
        padding: 24px;
        max-width: 95%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 12px;
    }
    
    .card {
        padding: 16px;
    }
    
    .card-title {
        font-size: 1.25rem;
    }
    
    .form-control {
        padding: 10px 14px;
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table th,
    .table td {
        padding: 6px 4px;
        font-size: 0.7rem;
        max-width: 80px;
    }
    
    .btn {
        width: 100%;
        padding: 12px;
    }
}

/* Landscape mode for mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .modal {
        max-height: 85vh;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}