/* Custom CSS for AI Salary Prediction App */

:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --dark-color: #5a5c69;
    --light-color: #f8f9fc;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), #6f42c1);
    color: white;
    border-radius: 15px 15px 0 0 !important;
    border: none;
}

/* Form Controls */
.form-control, .form-select {
    border-radius: 10px;
    border: 2px solid #e3e6f0;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

.input-group-text {
    border-radius: 10px 0 0 10px;
    border: 2px solid #e3e6f0;
    background-color: #f8f9fc;
}

/* Buttons */
.btn {
    border-radius: 10px;
    padding: 12px 24px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #6f42c1);
    box-shadow: 0 4px 15px rgba(78, 115, 223, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8, #5a2d91);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78, 115, 223, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #17a673);
    box-shadow: 0 4px 15px rgba(28, 200, 138, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #17a673, #13855c);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(28, 200, 138, 0.4);
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), #6f42c1) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

/* Sidebar */
.sidebar {
    background: linear-gradient(180deg, #4e73df 0%, #224abe 100%) !important;
    min-height: 100vh;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar .nav-link {
    border-radius: 10px;
    margin: 5px 10px;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.sidebar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

/* Dashboard Cards */
.border-left-primary {
    border-left: 4px solid var(--primary-color) !important;
}

.border-left-success {
    border-left: 4px solid var(--success-color) !important;
}

.border-left-info {
    border-left: 4px solid var(--info-color) !important;
}

.border-left-warning {
    border-left: 4px solid var(--warning-color) !important;
}

/* Tables */
.table {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), #6f42c1);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.table tbody tr:hover {
    background-color: #f8f9fc;
    transform: scale(1.01);
    transition: all 0.3s ease;
}

/* Modals */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-radius: 15px 15px 0 0;
    border-bottom: 1px solid #e3e6f0;
}

/* Badges */
.badge {
    border-radius: 20px;
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.85rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Loading Spinner */
.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .card {
        margin-bottom: 2rem;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
        width: 100%;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), #6f42c1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #5a2d91);
}

/* Text Gradients */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), #6f42c1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

/* Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Success Animation */
@keyframes successPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.success-pulse {
    animation: successPulse 0.6s ease-in-out;
}