/* AutoCare Garage Management System - Modern Styles */
/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --dark-color: #1e293b;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 14px;
}

/* Navigation Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: white;
    overflow-y: auto;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-xl);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: white;
}

.sidebar-header .version {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

.sidebar-menu {
    padding: 1rem 0;
}

.menu-section {
    margin-bottom: 1.5rem;
}

.menu-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.5);
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.menu-item.active {
    background: rgba(37, 99, 235, 0.15);
    color: white;
    border-left: 3px solid var(--primary-color);
}

.menu-item i {
    width: 20px;
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.menu-item .badge {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
}

/* Main Content Area */
.main-content {
    margin-left: 260px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.top-navbar {
    background: white;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: var(--shadow-sm);
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-box {
    position: relative;
}

.search-box input {
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    width: 300px;
    font-size: 0.875rem;
    transition: all 0.2s;
}

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

.search-box i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: background 0.2s;
}

.user-menu:hover {
    background: var(--light-bg);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
}

/* Content Container */
.content-container {
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.breadcrumb {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

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

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 1.5rem;
}

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

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-icon.primary { background: rgba(37, 99, 235, 0.1); color: var(--primary-color); }
.stat-icon.success { background: rgba(16, 185, 129, 0.1); color: var(--success-color); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); }
.stat-icon.danger { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); }
.stat-icon.info { background: rgba(6, 182, 212, 0.1); color: var(--info-color); }

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.stat-change {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    margin-top: 0.5rem;
}

.stat-change.positive { color: var(--success-color); }
.stat-change.negative { color: var(--danger-color); }

/* Tables */
.table-responsive {
    overflow-x: auto;
    border-radius: 0.5rem;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table thead {
    background: var(--light-bg);
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background 0.2s;
}

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

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    display: block;
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-label.required::after {
    content: '*';
    color: var(--danger-color);
    margin-left: 0.25rem;
}

.form-control {
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: 0.95rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    transition: all 0.2s;
    font-family: inherit;
}

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

.form-control:disabled {
    background: var(--light-bg);
    cursor: not-allowed;
    opacity: 0.6;
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.form-help {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.5;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
    background: #475569;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #059669;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover:not(:disabled) {
    background: #d97706;
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--light-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1.05rem;
}

.btn-icon {
    padding: 0.625rem;
    width: 36px;
    height: 36px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary { background: rgba(37, 99, 235, 0.1); color: var(--primary-color); }
.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--success-color); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger-color); }
.badge-info { background: rgba(6, 182, 212, 0.1); color: var(--info-color); }
.badge-secondary { background: rgba(100, 116, 139, 0.1); color: var(--secondary-color); }

/* Status indicators */
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-dot.active { background: var(--success-color); }
.status-dot.inactive { background: var(--secondary-color); }
.status-dot.pending { background: var(--warning-color); }
.status-dot.cancelled { background: var(--danger-color); }

/* Modal */
.modal-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    backdrop-filter: blur(2px);
}

.modal-backdrop.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal {
    background: white;
    border-radius: 0.75rem;
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #047857;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #b91c1c;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #b45309;
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: #0e7490;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* Pagination */
.pagination {
    display: flex;
    gap: 0.25rem;
    justify-content: center;
    align-items: center;
    margin-top: 1.5rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
}

.pagination a:hover {
    background: var(--light-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination .active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-secondary); }

.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 1rem; }

.w-100 { width: 100%; }

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-container {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .search-box input {
        width: 200px;
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .top-navbar,
    .btn,
    .action-buttons {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}