/* style.css */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #c0392b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.navbar {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.card-header {
    border-bottom: none;
    padding: 1.2rem 1.5rem;
}

.bg-gradient-primary {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.bg-gradient-success {
    background: linear-gradient(90deg, var(--success-color) 0%, #2ecc71 100%);
}

.bg-gradient-info {
    background: linear-gradient(90deg, var(--secondary-color) 0%, #1abc9c 100%);
}

.form-range::-webkit-slider-thumb {
    background: var(--secondary-color);
}

.form-range::-moz-range-thumb {
    background: var(--secondary-color);
}

.btn-group .btn {
    border-radius: 8px !important;
    margin: 0 2px;
    transition: all 0.3s ease;
}

.btn-group .btn:hover {
    transform: scale(1.05);
}

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

.form-control:focus, .form-select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
}

.footer {
    background: linear-gradient(90deg, var(--primary-color) 0%, #2c3e50 100%);
    margin-top: auto;
}

/* Custom switch */
.form-switch .form-check-input:checked {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

/* Table styles */
.table-hover tbody tr:hover {
    background-color: rgba(52, 152, 219, 0.1);
    cursor: pointer;
    transform: scale(1.005);
    transition: transform 0.2s ease;
}

.table th {
    border-top: none;
    font-weight: 600;
    color: var(--primary-color);
}

/* Loading animation */
.spinner-border {
    width: 4rem;
    height: 4rem;
}

/* Progress bar animation */
@keyframes progressAnimation {
    0% { background-position: 0 0; }
    100% { background-position: 40px 0; }
}

.progress-bar-animated {
    background-size: 40px 40px;
    animation: progressAnimation 1s linear infinite;
}

/* Badge styles */
.badge {
    padding: 0.5em 1em;
    border-radius: 20px;
    font-weight: 600;
}

/* Input group focus */
.input-group:focus-within {
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
    border-radius: 0.375rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-body {
        padding: 1rem;
    }
    
    .btn-group {
        flex-wrap: wrap;
    }
    
    .btn-group .btn {
        flex: 1;
        margin: 2px;
    }
}

/* Smooth transitions */
.btn, .form-control, .form-select, .form-check-input {
    transition: all 0.3s ease;
}

/* Hover effects for cards */
.card .card-header {
    position: relative;
    overflow: hidden;
}

.card .card-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.card:hover .card-header::after {
    left: 100%;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Pulse animation for important elements */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(52, 152, 219, 0); }
    100% { box-shadow: 0 0 0 0 rgba(52, 152, 219, 0); }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(90deg, var(--secondary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}