:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --card-bg: #ffffff;
    --border-color: #e0e0e0;

    /* Color System */
    --lora-accent: oklch(68% 0.28 256);
    --lora-surface: oklch(100% 0 0 / 0.4);
    --lora-border: oklch(90% 0.02 256 / 0.15);
    --lora-text: oklch(95% 0.02 256);
    --lora-error: oklch(75% 0.32 29);
    
    /* Spacing Scale */
    --space-1: calc(8px * 1);
    --space-2: calc(8px * 2);
    --space-3: calc(8px * 3);
    
    /* Z-index Scale */
    --z-base: 10;
    --z-modal: 30;
    --z-overlay: 50;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --card-bg: #2d2d2d;
    --border-color: #404040;

    --lora-accent: oklch(68% 0.28 256);
    --lora-surface: oklch(25% 0.02 256 / 0.85);
    --lora-border: oklch(90% 0.02 256 / 0.15);
    --lora-text: oklch(98% 0.02 256);
}

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
}

.container {
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 15px;
}

/* 文件夹标签样式 */
.folder-tags {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    padding: 4px 0;
    flex-wrap: wrap;
}

.tag {
    cursor: pointer;
    padding: 2px 8px;
    margin: 2px;
    border: 1px solid #ccc;
    border-radius: 3px;
    display: inline-block;
    line-height: 1.2;
    font-size: 14px;
}

.tag.active {
    background-color: #007bff;
    color: white;
}

/* 卡片网格布局 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); /* Adjusted from 320px */
    gap: 12px; /* Reduced from var(--space-2) for tighter horizontal spacing */
    margin-top: var(--space-2);
    max-width: 1400px; /* Container width control */
    margin-left: auto;
    margin-right: auto;
}

.lora-card {
    background: var(--lora-surface);
    border: 1px solid var(--lora-border);
    border-radius: 12px;
    backdrop-filter: blur(16px);
    transition: transform 160ms ease-out;
    aspect-ratio: 896/1152;
    max-width: 260px; /* Adjusted from 320px to fit 5 cards */
    margin: 0 auto;
}

.lora-card:hover {
    transform: translateY(-2px);
    background: oklch(100% 0 0 / 0.6);
}

.lora-card:focus-visible {
    outline: 2px solid var(--lora-accent);
    outline-offset: 2px;
}

/* Responsive adjustments */
@media (max-width: 1400px) {
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
    
    .lora-card {
        max-width: 240px;
    }
}

@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: minmax(260px, 1fr);
    }
    
    .lora-card {
        max-width: 100%;
    }
}

/* Card Preview and Footer Overlay */
.card-preview {
    position: relative;
    width: 100%;
    height: 100%;
}

.card-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent 15%, oklch(0% 0 0 / 0.75));
    backdrop-filter: blur(8px);
    color: white;
    padding: var(--space-1);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;  /* Changed from flex-end to allow for text wrapping */
    min-height: 32px;
    gap: var(--space-1);  /* Add gap between model info and actions */
}

.model-name {
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    font-size: 0.95em;
    word-break: break-word;  /* Allow long words to break */
    display: block;  /* Ensure the text wraps */
    max-height: 2.8em;  /* Limit to roughly 2 lines */
    overflow: hidden;
}

.model-meta {
    font-size: 0.9em;
    opacity: 0.9;
}

.card-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(oklch(0% 0 0 / 0.75), transparent 85%);
    backdrop-filter: blur(8px);
    color: white;
    padding: var(--space-1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1;
    min-height: 20px;
}

.card-actions i {
    margin-left: var(--space-1);
    cursor: pointer;
    color: white;
    transition: opacity 0.2s;
    font-size: 0.9em;
}

.card-actions i:hover {
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: minmax(260px, 1fr); /* Adjusted minimum size for mobile */
    }

    .controls {
        flex-direction: column;
        gap: 15px;
    }
    
    .lora-card {
        max-width: 100%; /* Allow cards to fill available space on mobile */
    }
}

/* 新增元数据相关样式 */
.model-info {
    flex: 1;
    min-width: 0;  /* Allow flex item to shrink below content size */
    overflow: hidden;  /* Prevent content from spilling out */
    padding-bottom: 4px; /* 为了与底部对齐的图标留出一些空间 */
}

.model-meta {
    font-size: 0.8em;
    color: #666;
    margin-top: 4px;
}

.base-model {
    display: inline-block;
    background: #f0f0f0;
    padding: 2px 6px;
    border-radius: 4px;
    margin-right: 6px;
}

.file-size,
.modified {
    display: block;
    margin-top: 2px;
}

.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8em;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.tooltip:hover::after {
    opacity: 1;
}

/* 模态窗口样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    overflow-y: auto;  /* 允许模态窗口内容滚动 */
}

/* 当模态窗口打开时，禁止body滚动 */
body.modal-open {
    overflow: hidden;
}

.modal-content {
    position: relative;
    max-width: 800px;
    margin: 2rem auto;
    background: var(--lora-surface);
    border-radius: 12px;
    padding: var(--space-3);
    border: 1px solid var(--lora-border);
}

.carousel {
    display: grid;
    grid-auto-flow: column;
    gap: 1rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
}

.carousel img {
    scroll-snap-align: start;
    max-height: 60vh;
    object-fit: contain;
}

.carousel video {
    scroll-snap-align: start;
    max-height: 60vh;
    object-fit: contain;
}

/* 主题切换按钮 */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    background: var(--card-bg);
}

.base-model-label {
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    background: rgba(255, 255, 255, 0.2);
    padding: 2px var(--space-1);
    border-radius: 4px;
    backdrop-filter: blur(2px);
    font-size: 0.85em;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: oklch(0% 0 0 / 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: var(--z-overlay);
}

.loading-content {
    background: var(--lora-surface);
    backdrop-filter: blur(24px);
    padding: var(--space-3);
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--lora-border);
}

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-status {
    margin-bottom: 1rem;
    color: #333;
}

.progress-container {
    width: 300px;
    background-color: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    width: 0%;
    height: var(--space-2);
    background-color: var(--lora-accent);
    transition: width 200ms ease-out;
}

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

@media (prefers-reduced-motion: reduce) {
    .lora-card,
    .progress-bar {
        transition: none;
    }
}

.card-actions {
    flex-shrink: 0;  /* Prevent actions from shrinking */
    display: flex;
    align-items: center;
    gap: var(--space-1);
    align-items: flex-end; /* 将图标靠下对齐 */
    align-self: flex-end; /* 将整个actions容器靠下对齐 */
}

.model-link {
    margin-top: var(--space-1);
}

.model-link a {
    color: #34b4eb;
    text-decoration: none;
    font-size: 1.3em;
    opacity: 0.9;
    transition: opacity 0.2s;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.model-link a:hover {
    opacity: 1;
    text-decoration: underline;
}