/* Time Trial App - Modern Blue & Red Theme */

:root {
    --primary-blue: #1e40af;
    --light-blue: #3b82f6;
    --lighter-blue: #60a5fa;
    --lightest-blue: #dbeafe;
    
    --primary-red: #dc2626;
    --light-red: #ef4444;
    --lighter-red: #f87171;
    --lightest-red: #fecaca;
    
    --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;
    
    --success: #10b981;
    --warning: #f59e0b;
    --info: #0ea5e9;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--lightest-blue) 0%, var(--gray-50) 50%, var(--lightest-red) 100%);
    min-height: 100vh;
    color: var(--gray-800);
}

.container {
    max-width: 1200px;
}

/* Header Styles */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-blue) !important;
    text-decoration: none;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--gray-700) !important;
    transition: color 0.2s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-blue) !important;
}

.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.nav-link {
text-align:center !important;
}
/* Card Styles */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: white;
    border-radius: 12px 12px 0 0 !important;
    border: none;
    font-weight: 600;
}

.card-primary .card-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
}

.card-danger .card-header {
    background: linear-gradient(135deg, var(--primary-red), var(--light-red));
}

.card-success .card-header {
    background: linear-gradient(135deg, var(--success), #34d399);
}

/* Button Styles */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 8px 16px;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1e3a8a, var(--primary-blue));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, var(--primary-red), var(--light-red));
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #b91c1c, var(--primary-red));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #34d399);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #fbbf24);
    color: white;
}

.btn-outline-primary {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    background: transparent;
}

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

/* Form Styles */
.form-control {
    border-radius: 8px;
    border: 2px solid var(--gray-200);
    padding: 10px 15px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 5px;
}

/* Table Styles */
.table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.table thead th {
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    border: none;
    color: var(--gray-700);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

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

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

.table td, .table th {
    border-color: var(--gray-200);
    padding: 12px 15px;
}

/* Badge Styles */
.badge {
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 6px;
}

.badge-primary {
    background: var(--primary-blue);
}

.badge-danger {
    background: var(--primary-red);
}

.badge-success {
    background: var(--success);
}

.badge-warning {
    background: var(--warning);
}

.badge-personal-best {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: var(--gray-800);
    font-weight: 600;
}

/* Dashboard Specific Styles */
.dashboard-stat {
    text-align: center;
    padding: 20px;
    border-radius: 12px;
    background: white;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.dashboard-stat:hover {
    transform: translateY(-2px);
}

.dashboard-stat .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.dashboard-stat .stat-label {
    color: var(--gray-600);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.stat-primary .stat-number {
    color: var(--primary-blue);
}

.stat-danger .stat-number {
    color: var(--primary-red);
}

.stat-success .stat-number {
    color: var(--success);
}

/* Personal Best Indicator */
.personal-best-indicator {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: var(--gray-800);
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.personal-best-indicator::before {
    content: "🏆";
    font-size: 0.8rem;
}

/* Time Display */
.time-display {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-blue);
    background: var(--lightest-blue);
    padding: 4px 8px;
    border-radius: 6px;
    display: inline-block;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 20px;
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    color: #065f46;
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #7f1d1d;
}

.alert-info {
    background: linear-gradient(135deg, var(--lightest-blue), #bfdbfe);
    color: #1e3a8a;
}

/* Pagination */
.pagination .page-link {
    border: none;
    color: var(--primary-blue);
    padding: 8px 12px;
    margin: 0 2px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.pagination .page-link:hover {
    background: var(--lightest-blue);
    color: var(--primary-blue);
}

.pagination .page-item.active .page-link {
    background: var(--primary-blue);
    color: white;
}

/* Filter Panel */
.filter-panel {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

/* Progress Indicators */
.progress {
    height: 8px;
    border-radius: 4px;
    background: var(--gray-200);
}

.progress-bar {
    border-radius: 4px;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
}

/* Responsive Design */
@media (max-width: 768px) {
    .container-fluid {
        padding: 10px;
    }
    
    .card {
        margin-bottom: 15px;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .dashboard-stat {
        margin-bottom: 15px;
    }
}

/* Loading Animation */
.loading-spinner {
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 50px;
}

/* Navigation breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 20px;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--primary-blue);
    content: "›";
}

.breadcrumb-item.active {
    color: var(--gray-600);
}

.breadcrumb-item a {
    color: var(--primary-blue);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}