/* Files Gallery Plus - Standalone CSS */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f6fa;
    color: #2c3e50;
    line-height: 1.6;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.header nav {
    display: flex;
    gap: 1rem;
}

.header nav a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background 0.2s;
}

.header nav a:hover {
    background: rgba(255,255,255,0.2);
}

/* Container */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    background: #3498db;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
    transition: background 0.2s;
}

.btn:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #95a5a6;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-danger {
    background: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-success {
    background: #27ae60;
}

.btn-success:hover {
    background: #229954;
}

.btn-icon {
    background: #ecf0f1;
    border: none;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: #d5dbdb;
    transform: scale(1.1);
}

.btn-icon.active {
    background: #3498db;
    color: white;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Toolbar */
.toolbar {
    background: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Search */
.search-box {
    flex: 1;
    min-width: 300px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.search-box input:focus {
    outline: none;
    border-color: #3498db;
}

/* Breadcrumb */
.breadcrumb {
    background: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
    margin-right: 0.5rem;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Grid View */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* List View */
.items-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.items-list .item {
    display: flex;
    align-items: center;
    padding: 1rem;
}

.items-list .item-icon {
    font-size: 2rem;
    margin-right: 1rem;
    margin-bottom: 0;
}

.items-list .item-info {
    flex: 1;
}

/* Items */
.item {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.2s;
    cursor: pointer;
    position: relative;
}

.item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.item-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.item-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-meta {
    font-size: 0.875rem;
    color: #7f8c8d;
    margin-bottom: 0.5rem;
}

.item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    min-height: 24px;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    color: white;
    font-weight: 500;
}

.item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem;
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #3498db;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Sidebar */
.sidebar {
    position: fixed;
    right: 0;
    top: 0;
    bottom: 0;
    width: 400px;
    background: white;
    box-shadow: -2px 0 8px rgba(0,0,0,0.1);
    transform: translateX(100%);
    transition: transform 0.3s;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar.open {
    transform: translateX(0);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid #ecf0f1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
}

.sidebar-header h3 {
    margin: 0;
}

.sidebar-content {
    padding: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #7f8c8d;
    transition: color 0.2s;
}

.close-btn:hover {
    color: #2c3e50;
}

/* Comments */
.comment {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    border-left: 3px solid #3498db;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: #7f8c8d;
}

.comment-author {
    font-weight: 600;
    color: #2c3e50;
}

.comment-content {
    line-height: 1.6;
    color: #2c3e50;
}

.comment-reply {
    margin-left: 2rem;
    border-left-color: #95a5a6;
}

/* View Toggle */
.view-toggle {
    display: flex;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}

.view-toggle button {
    padding: 0.75rem 1rem;
    border: none;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
}

.view-toggle button:not(:last-child) {
    border-right: 1px solid #ddd;
}

.view-toggle button:hover {
    background: #ecf0f1;
}

.view-toggle button.active {
    background: #3498db;
    color: white;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Stats Cards */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-card h3 {
    font-size: 0.875rem;
    color: #7f8c8d;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.stat-card .value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.stat-card .label {
    font-size: 0.875rem;
    color: #95a5a6;
    margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .header nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box {
        min-width: 100%;
    }

    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .sidebar {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        padding: 1rem;
    }

    .stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}