/* Additional custom styles for the test platform */

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.6);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.8);
}

/* Enhanced glassmorphism effects */
.glass-card-premium {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
}

/* Custom button animations */
.btn-spring {
    transition: all 0.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.btn-spring:hover {
    transform: translateY(-3px) scale(1.05);
}

.btn-spring:active {
    transform: translateY(0) scale(0.98);
}

/* Floating elements animation */
.float {
    animation: float-animation 6s ease-in-out infinite;
}

@keyframes float-animation {
    0% { transform: translate(0px, 0px) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
    100% { transform: translate(0px, 0px) rotate(360deg); }
}

/* Enhanced loading spinner */
.spinner-grow-custom {
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    opacity: 0;
    animation: spinner-grow 1s linear infinite;
}

/* Success/Error animations */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Enhanced form controls */
.form-floating-custom {
    position: relative;
}

.form-floating-custom .form-control {
    height: 3.5rem;
    line-height: 1.25;
    padding: 1rem 0.75rem;
}

.form-floating-custom > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    pointer-events: none;
    border: 1px solid transparent;
    transform-origin: 0 0;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
}

.form-floating-custom > .form-control:focus ~ label,
.form-floating-custom > .form-control:not(:placeholder-shown) ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Card hover effects */
.card-hover {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.card-hover:hover::before {
    left: 100%;
}

.card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.verified {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.status-badge.pending {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
    color: #000;
}

.status-badge.rejected {
    background: linear-gradient(135deg, #dc3545 0%, #e83e8c 100%);
    color: white;
}

/* Statistics cards */
.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-card:hover::after {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Mobile responsive enhancements */
@media (max-width: 768px) {
    .glass-card {
        margin: 0 10px;
        padding: 1.5rem !important;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .nav-pills {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .glass-card {
        background: white !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
    
    .text-white {
        color: #000 !important;
    }
    
    .text-white-50 {
        color: #666 !important;
    }
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
.btn:focus,
.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25) !important;
    border-color: #667eea !important;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .glass-card {
        background: rgba(255, 255, 255, 0.9) !important;
        border: 2px solid #000 !important;
    }
    
    .text-white {
        color: #000 !important;
    }
    
    .text-white-50 {
        color: #333 !important;
    }
}

/* Test Creation Styles */
.question-item {
    border-left: 4px solid var(--bs-primary);
    position: relative;
    transition: all 0.3s ease;
}

.question-item:hover {
    border-left-color: var(--bs-success);
    transform: translateX(5px);
}

.choice-item {
    transition: all 0.2s ease;
}

.choice-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 8px;
}

.form-check-input:checked {
    background-color: var(--bs-success);
    border-color: var(--bs-success);
}

.add-choice, .remove-choice {
    transition: all 0.2s ease;
}

.add-choice:hover {
    transform: scale(1.05);
}

.remove-choice:hover {
    transform: scale(1.1);
    background-color: var(--bs-danger) !important;
}

/* Question numbering */
.question-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-info));
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
}

/* Enhanced form controls for test creation */
.glass-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* Success animations */
@keyframes pulse-success {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

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

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}