/**
 * ISS Repository System - Frontend Styles
 * 
 * @package IndianSchoolSur
 */

/* Repository Container */
.iss-repository-widget,
.iss-repository-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}

/* Repository Header */
.iss-repository-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.iss-repository-title {
    font-size: 28px;
    font-weight: 600;
    color: #333;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Search Box */
.iss-search-box {
    display: flex;
    align-items: center;
    background: #f5f5f5;
    border-radius: 25px;
    padding: 5px 15px;
    min-width: 250px;
}

.iss-search-input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    padding: 8px;
    font-size: 14px;
}

.iss-search-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 5px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.iss-search-btn:hover {
    opacity: 1;
}

/* Breadcrumb */
.iss-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.breadcrumb-item {
    color: #6c757d;
    cursor: pointer;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.breadcrumb-item:hover:not(.active) {
    color: #007bff;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #333;
    font-weight: 600;
    cursor: default;
}

.breadcrumb-separator {
    margin: 0 8px;
    color: #adb5bd;
    font-size: 18px;
}

/* Folder Grid */
.iss-folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.iss-repository-widget[data-columns="2"] .iss-folder-grid {
    grid-template-columns: repeat(2, 1fr);
}

.iss-repository-widget[data-columns="3"] .iss-folder-grid {
    grid-template-columns: repeat(3, 1fr);
}

.iss-repository-widget[data-columns="4"] .iss-folder-grid {
    grid-template-columns: repeat(4, 1fr);
}

.iss-repository-widget[data-columns="5"] .iss-folder-grid {
    grid-template-columns: repeat(5, 1fr);
}

.iss-repository-widget[data-columns="6"] .iss-folder-grid {
    grid-template-columns: repeat(6, 1fr);
}

/* Folder Items */
.iss-folder-item {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.iss-folder-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-color: #007bff;
}

.iss-item-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.iss-item-icon {
    font-size: 48px;
    margin-bottom: 10px;
    line-height: 1;
}

.iss-item-name {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    margin-bottom: 5px;
    word-break: break-word;
    line-height: 1.4;
}

.iss-item-meta {
    font-size: 12px;
    color: #6c757d;
    margin-top: 5px;
}

/* Folder Styles */
.iss-repository-widget[data-style="modern"] .iss-folder-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.iss-repository-widget[data-style="modern"] .iss-item-name,
.iss-repository-widget[data-style="modern"] .iss-item-meta {
    color: white;
}

.iss-repository-widget[data-style="minimal"] .iss-folder-item {
    background: transparent;
    border: 2px solid #e0e0e0;
}

.iss-repository-widget[data-style="minimal"] .iss-folder-item:hover {
    background: #f8f9fa;
}

/* File Type Specific Styles */
.iss-folder-item[data-type="year"] .iss-item-icon {
    color: #FFC107;
}

.iss-folder-item[data-type="term"] .iss-item-icon {
    color: #28a745;
}

.iss-folder-item[data-type="exam"] .iss-item-icon {
    color: #17a2b8;
}

.iss-folder-item[data-type="class"] .iss-item-icon {
    color: #6f42c1;
}

.iss-folder-item[data-type="paper"] .iss-item-icon {
    color: #dc3545;
}

/* PDF Paper Item */
.iss-folder-item[data-type="paper"] {
    background: #fff3cd;
    border-color: #ffc107;
}

.iss-folder-item[data-type="paper"]:hover {
    background: #ffe49a;
}

/* Paper List View (leaf level) */
.iss-paper-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.iss-paper-list .iss-folder-item {
    padding: 0;
    text-align: left;
}

.iss-paper-list .iss-folder-item:hover {
    transform: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.iss-paper-list .iss-item-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 14px 18px;
}

.iss-paper-list .iss-item-icon {
    font-size: 28px;
    margin-bottom: 0;
    flex-shrink: 0;
}

.iss-paper-list .iss-row-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.iss-paper-list .iss-item-name {
    margin-bottom: 2px;
}

.iss-paper-list .iss-item-meta {
    margin-top: 0;
}

.iss-paper-list .iss-row-action {
    font-size: 13px;
    font-weight: 600;
    color: #dc3545;
    white-space: nowrap;
    flex-shrink: 0;
}

.iss-paper-list .iss-empty-folder .iss-row-action {
    display: none;
}

/* Loading State */
.iss-loading {
    text-align: center;
    padding: 40px;
    color: #6c757d;
}

.iss-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

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

/* No Items Message */
.iss-no-items {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #6c757d;
    font-size: 16px;
    background: #f8f9fa;
    border-radius: 8px;
}

/* Modal Styles */
.iss-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.iss-modal-content {
    background: white;
    width: 90%;
    max-width: 900px;
    height: 80vh;
    border-radius: 12px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.iss-modal-close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 32px;
    color: #999;
    cursor: pointer;
    z-index: 10;
    line-height: 1;
}

.iss-modal-close:hover {
    color: #333;
}

.iss-modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid #e0e0e0;
}

.iss-modal-title {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.iss-modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.iss-pdf-preview {
    flex: 1;
    width: 100%;
    border: none;
}

.iss-modal-actions {
    padding: 15px 25px;
    border-top: 1px solid #e0e0e0;
    text-align: center;
}

.iss-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 25px;
    background: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: background 0.3s;
}

.iss-download-btn:hover {
    background: #0056b3;
}

/* Responsive Design */
@media (max-width: 768px) {
    .iss-repository-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .iss-search-box {
        min-width: 100%;
    }
    
    .iss-folder-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 15px;
    }
    
    .iss-repository-widget[data-columns="4"] .iss-folder-grid,
    .iss-repository-widget[data-columns="5"] .iss-folder-grid,
    .iss-repository-widget[data-columns="6"] .iss-folder-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .iss-item-icon {
        font-size: 36px;
    }
    
    .iss-modal-content {
        width: 95%;
        height: 90vh;
    }
}

@media (max-width: 480px) {
    .iss-folder-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .iss-repository-widget[data-columns="3"] .iss-folder-grid,
    .iss-repository-widget[data-columns="4"] .iss-folder-grid,
    .iss-repository-widget[data-columns="5"] .iss-folder-grid,
    .iss-repository-widget[data-columns="6"] .iss-folder-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .iss-folder-item {
        padding: 10px;
    }
    
    .iss-item-name {
        font-size: 12px;
    }
    
    .iss-repository-title {
        font-size: 22px;
    }
}

/* Print Styles */
@media print {
    .iss-search-box,
    .iss-modal,
    .iss-download-btn {
        display: none !important;
    }
    
    .iss-folder-grid {
        grid-template-columns: repeat(4, 1fr) !important;
    }
}