/* Custom styles for Cooperative Evaluation System */

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Student selection styles */
.student-item {
    padding: 0.5rem;
    border-bottom: 1px solid #e5e7eb;
    cursor: pointer;
    transition: background-color 0.15s ease-in-out;
}

.student-item:hover {
    background-color: #dbeafe;
}

.student-selected {
    background-color: #dbeafe;
    border-color: #93c5fd;
}

/* Rating scale legend */
.rating-legend {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .rating-legend {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Statistics display */
.stat-card {
    padding: 0.75rem;
    border-radius: 0.5rem;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: bold;
}

.stat-label {
    font-size: 0.875rem;
    color: #6b7280;
}

/* Animation for transitions */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* Focus styles for accessibility */
.form-control:focus,
button:focus,
.student-item:focus {
    outline: none;
    box-shadow: 0 0 0 2px #3b82f6;
}

/* Error state styles */
.error-state {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.error-message {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .bg-blue-600 {
        background-color: #1e40af !important;
        color: white !important;
    }
}

/* Responsive table */
@media (max-width: 768px) {
    .table-responsive table {
        font-size: 0.875rem;
    }
    
    .table-responsive th,
    .table-responsive td {
        padding: 0.5rem;
    }
}

/* Loading state */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-content {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}