:root {
    --primary: #8b5cf6; /* Indigo-500 */
    --primary-light: #a78bfa;
    --primary-glow: rgba(139, 92, 246, 0.4);
    --secondary: #f43f5e; /* Rose-500 */
    --bg-dark: #020617; /* Slate-950 */
    --bg-sidebar: rgba(15, 23, 42, 0.85); /* Slate-900 alpha */
    --bg-card: rgba(30, 41, 59, 0.6); /* Slate-800 alpha */
    --text-main: #f1f5f9;
    --text-sub: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at top left, #2e1065, #020617 60%);
    height: 100vh;
    color: var(--text-main);
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100%;
}

/* --- 侧边栏：控制中心 --- */
.sidebar {
    width: 340px;
    background: var(--bg-sidebar);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2rem;
    z-index: 10;
    flex-shrink: 0;
    box-shadow: 5px 0 30px rgba(0,0,0,0.3);
}

.brand-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 0 15px var(--primary-glow);
}

.brand h1 {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.lang-btn {
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-sub);
    transition: var(--transition);
}
.lang-btn:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

/* --- 强力搜索框 --- */
.search-panel {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.search-box {
    position: relative;
    margin-bottom: 0.5rem;
}

.search-box input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    transition: var(--transition);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.5), inset 0 0 10px rgba(139, 92, 246, 0.2);
    background: rgba(0, 0, 0, 0.5);
    transform: scale(1.02);
}

.search-box input::placeholder {
    color: rgba(255,255,255,0.4);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-light);
    filter: drop-shadow(0 0 5px var(--primary-glow));
}

.filters {
    display: flex;
    gap: 8px;
    background: rgba(0,0,0,0.2);
    padding: 4px;
    border-radius: 12px;
}

.filter-btn {
    flex: 1;
    padding: 8px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-sub);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn:hover { color: white; }

.filter-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.sort-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-sub);
    background: rgba(255,255,255,0.03);
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.sort-wrapper select {
    flex: 1;
    border: none;
    background: transparent;
    color: white;
    font-size: 0.9rem;
    cursor: pointer;
    outline: none;
}
.sort-wrapper select option {
    background: #1e293b;
    color: white;
}

.stats-info {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-bottom: auto;
    opacity: 0.7;
}

.action-area {
    margin-top: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.btn-text {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 50px;
    cursor: pointer;
    color: var(--text-main);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.btn-text:hover { 
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.footer-info {
    font-size: 0.75rem;
    color: var(--text-sub);
    text-align: center;
    margin-top: 1.5rem;
    opacity: 0.5;
}

/* --- 主内容区：皮肤网格 --- */
.main-content {
    flex: 1;
    padding: 2.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* 滚动条美化 */
.main-content::-webkit-scrollbar { width: 8px; }
.main-content::-webkit-scrollbar-track { background: transparent; }
.main-content::-webkit-scrollbar-thumb { 
    background: rgba(255,255,255,0.1); 
    border-radius: 4px; 
}
.main-content::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

.skins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
    padding-bottom: 3rem;
}

.skin-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
}

.skin-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    padding: 1px;
    background: linear-gradient(180deg, rgba(255,255,255,0.1), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.skin-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(40, 50, 75, 0.8);
    border-color: var(--primary);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5), 0 0 20px rgba(139, 92, 246, 0.2);
}

.card-preview {
    height: 220px;
    background: rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 15px;
}

.card-preview img {
    height: 100%;
    width: auto;
    object-fit: contain;
    image-rendering: pixelated;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.4));
    transition: transform 0.3s;
}

.skin-card:hover .card-preview img {
    transform: scale(1.1);
}

.card-info {
    padding: 16px;
    background: rgba(0,0,0,0.1);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: white;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-sub);
}

.empty-state {
    text-align: center;
    margin-top: 15vh;
    color: var(--text-sub);
}
.empty-icon { 
    font-size: 4rem; 
    margin-bottom: 1.5rem; 
    opacity: 0.5;
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* 分页器 */
.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    margin-top: auto;
    padding-top: 2rem;
    padding-bottom: 3rem;
}

.page-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.05);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-weight: bold;
}

.page-btn:hover:not(:disabled) {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    transform: translateY(-2px);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: transparent;
}

.page-info {
    color: var(--text-sub);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

/* --- 详情弹窗 --- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.3s;
}
.modal-overlay.show { display: flex; opacity: 1; }

.modal-card {
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    position: relative;
    max-width: 90%;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    color: var(--text-main);
    transition: all 0.3s;
}

.detail-card { width: 800px; }
.tutorial-card { width: 500px; }

.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-sub);
    transition: color 0.2s;
    z-index: 10;
}
.close-btn:hover { color: white; }

.detail-layout { display: flex; gap: 3rem; }

.preview-column {
    flex: 0 0 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.preview-box {
    width: 240px;
    height: 360px;
    background: rgba(0,0,0,0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.preview-box img {
    height: 90%;
    image-rendering: pixelated;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.5));
}

.info-column { flex: 1; display: flex; flex-direction: column; justify-content: center; }

.info-column h2 { 
    font-size: 2rem; 
    margin-bottom: 2rem; 
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.command-box {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--primary);
    padding: 1.5rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.1);
}

.code-block {
    background: #0f172a;
    color: #a5b4fc;
    padding: 1.2rem;
    border-radius: 10px;
    font-family: 'Fira Code', monospace;
    margin: 12px 0;
    word-break: break-all;
    border: 1px solid rgba(255,255,255,0.05);
}

.btn-primary {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}
.btn-primary:hover { 
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(139, 92, 246, 0.6);
}

.badge {
    background: rgba(139, 92, 246, 0.2);
    color: #c4b5fd;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

/* 特殊模糊文字效果 */
.blur-text {
    filter: blur(4px);
    opacity: 0.6;
    user-select: none;
    display: inline-block;
    transition: filter 0.3s;
}
.blur-text:hover { filter: blur(2px); }

/* --- 教程弹窗修复 --- */
.tutorial-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.t-step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: rgba(255,255,255,0.03);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
}

.t-step .num {
    background: var(--primary);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 0 15px var(--primary-glow);
}

.t-step .text { flex: 1; }

.t-step .text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: white;
    font-weight: 600;
}

.t-step .text p {
    font-size: 0.95rem;
    color: var(--text-sub);
    line-height: 1.6;
}

.tutorial-footer {
    margin-top: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-sub);
    display: flex;
    justify-content: space-around;
}

.tutorial-footer a {
    color: var(--primary-light);
    text-decoration: none;
}
.tutorial-footer strong { color: #f43f5e; }

/* --- 恐惧风格 (Forbidden Mode) --- */
.modal-card.forbidden {
    background: #000000;
    border: 1px solid #ff0000;
    box-shadow: 0 0 50px rgba(255, 0, 0, 0.3);
    animation: pulse-red 2s infinite;
}

@keyframes pulse-red {
    0% { box-shadow: 0 0 30px rgba(255, 0, 0, 0.2); }
    50% { box-shadow: 0 0 60px rgba(255, 0, 0, 0.5); }
    100% { box-shadow: 0 0 30px rgba(255, 0, 0, 0.2); }
}

.modal-card.forbidden h2 {
    color: #ff0000;
    background: none;
    -webkit-text-fill-color: initial;
    text-shadow: 2px 0 #fff, -2px 0 #000;
    /* 移除动画 */
}

.modal-card.forbidden .preview-box {
    border-color: #ff0000;
    background: rgba(50, 0, 0, 0.3);
}

/* 移除灰度滤镜，保持原色但略微降低透明度增加融入感 */
.modal-card.forbidden .preview-box img {
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* 噪点覆盖层 */
.modal-card.forbidden .preview-box::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.4'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
    pointer-events: none;
    animation: noise-shift 0.2s infinite;
    opacity: 0.5;
}

@keyframes noise-shift {
    0% { background-position: 0 0; }
    20% { background-position: -5px -5px; }
    40% { background-position: 5px 5px; }
    60% { background-position: -5px 5px; }
    80% { background-position: 5px -5px; }
    100% { background-position: 0 0; }
}

.modal-card.forbidden .command-box {
    border-color: #ff0000;
    background: rgba(20, 0, 0, 0.8);
}

.modal-card.forbidden .code-block {
    background: #000;
    color: #ff0000;
    border: 1px solid #ff0000;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 移除抖动动画，保持黑红配色 */
.modal-card.forbidden .btn-primary {
    background: #ff0000;
    color: #000;
    font-weight: 900;
    cursor: not-allowed;
    border: 1px solid #fff;
}

.modal-card.forbidden .field-tip {
    display: none;
}

/* 移除 glitch keyframes */

/* 移动端提示 */
.mobile-warning {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #020617;
    z-index: 9999;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    color: white;
}
@media (max-width: 1024px) {
    .mobile-warning { display: flex; }
    .app-container { display: none; }
}