/**
 * Assignments page styles for Rajasthan Virtual Shiksha PWA
 */

/* Assignment Stats */
.assignment-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 80px;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Assignment Cards */
.assignments-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.assignment-card {
    background-color: white;
    border-radius: 12px;
    border-left: 4px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s, box-shadow 0.2s;
    overflow: hidden;
}

.assignment-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.assignment-card.urgent {
    border-left-color: #F44336;
}

.assignment-card.submitted {
    border-left-color: #4CAF50;
}

.assignment-card.graded {
    border-left-color: #2196F3;
}

.assignment-card.overdue {
    border-left-color: #FF9800;
    background-color: #FFF8E1;
}

.assignment-header {
    padding: 15px 20px;
    background-color: var(--bg-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.assignment-priority {
    display: flex;
    align-items: center;
}

.priority-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.priority-badge.urgent {
    background-color: #FFEBEE;
    color: #C62828;
}

.priority-badge.high {
    background-color: #FFF3E0;
    color: #E65100;
}

.priority-badge.medium {
    background-color: #E8F5E8;
    color: #2E7D32;
}

.priority-badge.low {
    background-color: #E3F2FD;
    color: #1565C0;
}

.assignment-subject {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
}

.status-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.submitted {
    background-color: #E8F5E8;
    color: #2E7D32;
}

.status-badge.graded {
    background-color: #E3F2FD;
    color: #1565C0;
}

.status-badge.overdue {
    background-color: #FFF3E0;
    color: #E65100;
}

.grade-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
}

.assignment-content {
    padding: 20px;
}

.assignment-content h3 {
    margin: 0 0 10px;
    font-size: 1.3rem;
    color: var(--text-color);
}

.assignment-description {
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 15px;
}

.assignment-details {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.detail-item svg {
    color: var(--primary-color);
}

.assignment-attachments,
.submission-info,
.feedback-section {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.assignment-attachments h4,
.submission-info h4,
.feedback-section h4 {
    margin: 0 0 10px;
    font-size: 0.9rem;
    color: var(--text-color);
}

.attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: var(--bg-light);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.85rem;
    transition: background-color 0.2s;
}

.attachment-item:hover {
    background-color: var(--border-color);
}

.submission-files {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: #E8F5E8;
    border-radius: 6px;
    font-size: 0.85rem;
    color: #2E7D32;
}

.feedback-content {
    background-color: var(--bg-light);
    padding: 15px;
    border-radius: 6px;
    border-left: 3px solid var(--primary-color);
}

.feedback-content p {
    margin: 0;
    font-style: italic;
    color: var(--text-muted);
}

.late-submission-notice {
    background-color: #FFF3E0;
    padding: 10px 15px;
    border-radius: 6px;
    border-left: 3px solid #FF9800;
}

.late-submission-notice p {
    margin: 0;
    font-size: 0.85rem;
    color: #E65100;
}

.assignment-actions {
    padding: 15px 20px;
    background-color: var(--bg-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.status-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.grade-text {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
}

.penalty-text {
    font-size: 0.85rem;
    color: #E65100;
    font-weight: 500;
}

/* Assignment Modal */
.assignment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.assignment-modal.show {
    opacity: 1;
    visibility: visible;
}

.assignment-modal-content {
    background-color: white;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

.close-modal-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 5px;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.close-modal-btn:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.modal-body {
    padding: 20px;
}

.assignment-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(var(--primary-color-rgb), 0.05);
}

.upload-placeholder svg {
    color: var(--text-muted);
    margin-bottom: 15px;
}

.upload-placeholder p {
    margin: 0 0 5px;
    color: var(--text-color);
    font-weight: 500;
}

.file-types {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.uploaded-files {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.uploaded-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    background-color: var(--bg-light);
    border-radius: 6px;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.file-name {
    font-size: 0.9rem;
    color: var(--text-color);
}

.file-size {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.remove-file {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.remove-file:hover {
    background-color: var(--border-color);
    color: #F44336;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 20px;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .assignment-stats {
        justify-content: space-around;
    }
    
    .assignment-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .assignment-details {
        flex-direction: column;
        gap: 10px;
    }
    
    .assignment-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .assignment-modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .assignment-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .attachment-list,
    .submission-files {
        flex-direction: column;
    }
}