:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --warning-color: #fd7e14;
    --danger-color: #dc3545;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

/* Custom card hover effects */
.card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Progress bars custom styling */
.progress {
    background-color: #e9ecef;
}

/* Chart containers */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
    min-height: 250px;
}

.chart-fixed-container {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.chart-fixed-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

.chart-small-container {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.chart-small-container canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}

/* Enhanced dashboard statistics */
.stats-card-enhanced {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 20px;
    color: white;
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
    min-height: 140px;
}

.stats-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    pointer-events: none;
}

.stats-card-enhanced .card-body {
    padding: 25px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 2;
}

.stats-card-enhanced:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.4);
}

.stats-card-enhanced:hover .stats-icon-enhanced {
    opacity: 0.4;
    transform: rotate(0deg) scale(1.15);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.stats-card-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stats-card-success {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
}

.stats-card-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stats-card-info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.stats-card-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
}

.stats-card-quiz {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

.stats-number-enhanced {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: countUp 2s ease-out;
    line-height: 1;
}

.stats-label-enhanced {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

.stats-icon-enhanced {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 2.2rem;
    opacity: 0.25;
    transform: rotate(-15deg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

/* Job readiness indicator */
.job-readiness-indicator {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
}

.job-readiness-indicator::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

.job-readiness-score {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 10px;
    text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
    animation: glow 2s ease-in-out infinite alternate;
}

.job-readiness-label {
    font-size: 1.3rem;
    font-weight: 600;
    opacity: 0.95;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Quiz Performance Indicators */
.quiz-performance-score {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--bs-info);
}

.quiz-performance-label {
    font-size: 1rem;
    color: var(--bs-secondary);
    margin-top: 5px;
}

/* Progress bars enhanced */
.progress-enhanced {
    height: 12px;
    border-radius: 10px;
    background: linear-gradient(90deg, #f0f0f0 0%, #e0e0e0 100%);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
    overflow: hidden;
}

.progress-bar-enhanced {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.progress-bar-enhanced::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

/* Chart containers enhanced */
.chart-card-enhanced {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: none;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.chart-header-enhanced {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
    padding: 20px;
}

.chart-title-enhanced {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0;
}

/* Animations */
@keyframes countUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes glow {
    0% { text-shadow: 3px 3px 6px rgba(0,0,0,0.3); }
    100% { text-shadow: 3px 3px 6px rgba(0,0,0,0.3), 0 0 20px rgba(255,255,255,0.5); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.3; }
    50% { transform: scale(1.1) rotate(180deg); opacity: 0.1; }
}

@keyframes iconFloat {
    0%, 100% { transform: rotate(-15deg) translateY(0px); }
    50% { transform: rotate(-10deg) translateY(-3px); }
}

.stats-icon-enhanced:hover {
    animation: iconFloat 2s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Metric breakdown cards */
.metric-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    border-color: #667eea;
}

.metric-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-value {
    font-size: 2rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 5px;
}

.metric-label {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Table improvements */
.table-hover tbody tr:hover {
    background-color: rgba(0,0,0,0.05);
}

/* Badge improvements */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

/* Button group improvements */
.btn-group .btn {
    border-radius: 0.25rem;
    margin-right: 0.25rem;
}

.btn-group .btn:last-child {
    margin-right: 0;
}

/* Modal improvements */
.modal-content {
    border: none;
    border-radius: 0.5rem;
}

/* Form improvements */
.form-control, .form-select {
    border-radius: 0.375rem;
    border: 1px solid #ced4da;
    background-color: #fff;
}

.form-control:focus, .form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    background-color: #fff;
}

/* Navigation improvements */
.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
}

/* Footer styling */
footer {
    margin-top: auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .display-6 {
        font-size: 1.5rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        margin-bottom: 0.25rem;
        margin-right: 0;
    }
}

/* Chart responsive containers */
canvas {
    max-width: 100%;
    height: auto !important;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Animation for progress bars */
.progress-bar {
    transition: width 0.6s ease;
}

/* Custom scrollbar for tables */
.table-responsive::-webkit-scrollbar {
    height: 8px;
}

.table-responsive::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 4px;
}

.table-responsive::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.5);
}

/* Alert improvements */
.alert {
    border-radius: 0.5rem;
    border: none;
}

/* Icon spacing */
.fas, .far {
    margin-right: 0.25rem;
}

/* Card header improvements */
.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

/* Text truncation utility */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}