:root {
    --bg: #f0f4f8;
    --card-bg: #ffffff;
    --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
    --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.10), 0 3px 8px rgba(0, 0, 0, 0.06);
    --text-primary: #1a1d28;
    --text-secondary: #5a6072;
    --text-muted: #8b919e;
    --border: #e2e7ed;
    --border-focus: #5b7fff;
    --accent: #5b7fff;
    --accent-hover: #4a6aee;
    --accent-light: #eef1ff;
    --input-bg: #f7f9fb;
    --input-bg-focus: #ffffff;
    --select-bg: #f7f9fb;
    --btn-secondary-bg: #f0f2ff;
    --btn-secondary-text: #5b7fff;
    --btn-secondary-hover-bg: #e2e7ff;
    --toast-bg: #1a1d28;
    --toast-text: #ffffff;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --health-bar-bg: #e8edf9;
    --health-bar-fill: #5b7fff;
}

body.dark-mode {
    --bg: #111827;
    --card-bg: #1e293b;
    --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.25), 0 1px 3px rgba(0, 0, 0, 0.18);
    --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.40), 0 3px 8px rgba(0, 0, 0, 0.25);
    --text-primary: #e8ecf2;
    --text-secondary: #b0b8c5;
    --text-muted: #6b7385;
    --border: #2d3548;
    --border-focus: #7c8fff;
    --accent: #7c8fff;
    --accent-hover: #6b7aee;
    --accent-light: #1e2740;
    --input-bg: #1a2235;
    --input-bg-focus: #1e293b;
    --select-bg: #1a2235;
    --btn-secondary-bg: #2a3350;
    --btn-secondary-text: #a5b4fc;
    --btn-secondary-hover-bg: #353f60;
    --toast-bg: #e8ecf2;
    --toast-text: #111827;
    --health-bar-bg: #2a3350;
    --health-bar-fill: #7c8fff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-tap-highlight-color: transparent; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed; top: -40%; right: -25%;
    width: 70vw; height: 70vw;
    max-width: 800px; max-height: 800px;
    border-radius: 50%;
    background: var(--accent-light);
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}
body::after {
    content: '';
    position: fixed; bottom: -30%; left: -20%;
    width: 55vw; height: 55vw;
    max-width: 600px; max-height: 600px;
    border-radius: 50%;
    background: var(--accent-light);
    opacity: 0.25;
    pointer-events: none;
    z-index: 0;
}

.app-container { position: relative; z-index: 1; width: 100%; max-width: 680px; display: flex; flex-direction: column; gap: 16px; }

.card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 28px 28px 26px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.card:hover { box-shadow: var(--card-shadow-hover); }

.form-row { display: flex; gap: 12px; align-items: stretch; flex-wrap: wrap; }

.custom-select-wrapper { position: relative; flex: 0 0 auto; width: 185px; }
.input-wrapper { position: relative; display: flex; align-items: center; flex: 1; min-width: 230px; }

.custom-select {
    width: 100%; height: 100%; min-height: 54px;
    padding: 12px 38px 12px 16px;
    font-size: 0.89rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background: var(--select-bg);
    color: var(--text-primary);
    appearance: none; -webkit-appearance: none;
    cursor: pointer;
    transition: all var(--transition);
    outline: none;
    font-family: inherit;
    letter-spacing: 0.2px;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-weight: 505;
}
.custom-select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 4px var(--accent-light);
    background: var(--input-bg-focus);
}
.select-arrow {
    position: absolute; right: 14px; top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-muted);
    font-size: 0.68rem;
    transition: color var(--transition);
}
.custom-select:focus + .select-arrow { color: var(--accent); }

.input-field {
    width: 100%;
    padding: 14px 58px 14px 18px;
    font-size: 0.95rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all var(--transition);
    outline: none;
    font-family: inherit;
    letter-spacing: 0.15px;
    min-height: 54px;
}
.input-field::placeholder { color: var(--text-muted); opacity: 0.7; font-weight: 390; }
.input-field:focus {
    border-color: var(--border-focus);
    background: var(--input-bg-focus);
    box-shadow: 0 0 0 4px var(--accent-light);
}

.input-clear-btn {
    position: absolute; right: 14px; width: 36px; height: 36px;
    border-radius: 50%; border: none;
    background: transparent; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted); font-size: 1.2rem;
    transition: all var(--transition);
    opacity: 0; pointer-events: none; z-index: 2;
}
.input-clear-btn.visible { opacity: 1; pointer-events: auto; }
.input-clear-btn:hover { background: var(--border); color: var(--text-primary); }

.health-indicator {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 14px;
    padding: 8px 12px;
    background: var(--accent-light);
    border-radius: var(--radius-sm);
    flex-wrap: wrap;
}
.health-label {
    font-size: 0.71rem;
    color: var(--text-muted);
    letter-spacing: 0.2px;
    font-weight: 470;
    white-space: nowrap;
}
.health-bar-container {
    flex: 1;
    min-width: 120px;
    height: 6px;
    background: var(--health-bar-bg);
    border-radius: 99px;
    overflow: hidden;
}
.health-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--health-bar-fill);
    border-radius: 99px;
    transition: width 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.health-score {
    font-size: 0.79rem;
    font-weight: 570;
    color: var(--accent);
    min-width: 64px;
    text-align: right;
    letter-spacing: 0.2px;
}

.actions-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 18px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 22px;
    font-size: 0.88rem;
    font-weight: 515;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    letter-spacing: 0.3px;
    white-space: nowrap;
    font-family: inherit;
    user-select: none;
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    box-shadow: none;
    position: relative;
}
.btn::after {
    content: ''; position: absolute; inset: 0;
    background: transparent; transition: background var(--transition);
    border-radius: inherit; pointer-events: none;
}
.btn:active::after { background: rgba(0,0,0,0.08); }
body.dark-mode .btn:active::after { background: rgba(255,255,255,0.07); }
.btn:hover:not(:disabled) {
    background: var(--btn-secondary-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(91,127,255,0.18);
}
.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.status-badge {
    font-size: 0.775rem;
    color: var(--text-muted);
    margin-left: auto;
    white-space: nowrap;
    font-weight: 480;
    letter-spacing: 0.2px;
    background: var(--accent-light);
    padding: 5px 16px;
    border-radius: 30px;
    line-height: 1.5;
    transition: all var(--transition);
}

.divider { border: none; border-top: 1px solid var(--border); margin: 22px 0 10px 0; transition: border-color var(--transition); }
.footer-note { text-align: center; font-size: 0.725rem; color: var(--text-muted); letter-spacing: 0.3px; padding: 2px 0; }

/* ===== 导航：卡片网格 ===== */
.nav-group { margin-top: 6px; }
.nav-group + .nav-group { margin-top: 12px; }
.nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    padding-left: 2px;
}
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
    gap: 8px;
}
.nav-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 12px 4px 10px;
    border-radius: 10px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: all var(--transition);
}
.nav-card:hover {
    background: var(--accent-light);
    border-color: var(--border-focus);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}
.nav-card .nav-icon {
    font-size: 22px;
    line-height: 1;
}
.nav-card .nav-name {
    font-size: 0.72rem;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: color var(--transition);
}
.nav-card:hover .nav-name {
    color: var(--accent);
}

.toast-container {
    position: fixed; top: 28px; left: 50%; transform: translateX(-50%);
    z-index: 9999; display: flex; flex-direction: column; gap: 8px;
    pointer-events: none; width: auto; max-width: 94vw;
}
.toast {
    padding: 14px 27px; border-radius: 60px;
    background: var(--toast-bg); color: var(--toast-text);
    font-weight: 625; font-size: 0.855rem; letter-spacing: 0.3px;
    box-shadow: 0 12px 38px rgba(0,0,0,0.22);
    animation: toastIn 0.43s cubic-bezier(0.16,1,0.33,1), toastOut 0.37s cubic-bezier(0.41,0,0.21,1) 2.2s forwards;
    text-align: center; white-space: nowrap; pointer-events: auto;
}
@keyframes toastIn {
    from { opacity: 0; transform: translateY(-24px) scale(0.88); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-18px) scale(0.82); }
}

@media (max-width: 740px) {
    body { padding: 18px 12px; align-items: flex-start; }
    .app-container { gap: 14px; }
    .card { padding: 22px 16px 20px; border-radius: var(--radius); }
    .form-row { flex-direction: column; gap: 12px; }
    .custom-select-wrapper { width: 100%; }
    .input-wrapper { min-width: 100%; }
    .btn { width: 100%; justify-content: center; padding: 13px 18px; font-size: 0.92rem; }
    .actions-row {
        gap: 8px;
        flex-direction: column;
        justify-content: stretch;
    }
    .status-badge {
        margin-left: 0;
        width: 100%;
        text-align: center;
        order: 10;
        margin-top: 6px;
        white-space: normal;
    }
    .custom-select { font-size: 0.865rem; min-height: 49px; }
    .input-field { font-size: 0.915rem; min-height: 49px; }
    .health-indicator { flex-direction: column; align-items: stretch; gap: 6px; }
    .health-score { text-align: left; }
}
@media (max-width: 430px) {
    .card { padding: 15px 10px 16px; }
    .btn { padding: 12px 14px; font-size: 0.825rem; }
    .nav-grid { grid-template-columns: repeat(auto-fill, minmax(62px, 1fr)); gap: 6px; }
    .nav-card { padding: 10px 2px 8px; }
    .nav-card .nav-icon { font-size: 19px; }
    .nav-card .nav-name { font-size: 0.66rem; }
}/* ===== 高清壁纸瀑布流 ===== */



/* ===== 浅色模式（默认） ===== */
:root, body.light {
    --wp-bg: #f0f2f5;
    --wp-card-bg: rgba(255,255,255,0.65);
    --wp-card-border: rgba(0,0,0,0.08);
    --wp-card-hover-bg: rgba(255,255,255,0.9);
    --wp-text-primary: #1a1d28;
    --wp-text-secondary: #5a6072;
    --wp-text-muted: #8b919e;
    --wp-accent: #5b7fff;
    --wp-accent-hover: #4a6aee;
    --wp-accent-light: rgba(91,127,255,0.12);
    --wp-glass-blur: 14px;
    --wp-radius: 14px;
    --wp-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --wp-nav-bg: rgba(255,255,255,0.72);
    --wp-nav-border: rgba(0,0,0,0.06);
    --wp-tab-bg: rgba(0,0,0,0.04);
    --wp-tab-border: rgba(0,0,0,0.06);
    --wp-tab-hover-bg: rgba(0,0,0,0.08);
    --wp-skel-bg: rgba(0,0,0,0.05);
    --wp-drop-bg: rgba(255,255,255,0.92);
}

/* ===== 暗色模式 ===== */
body.dark {
    --wp-bg: #0f1119;
    --wp-card-bg: rgba(255,255,255,0.06);
    --wp-card-border: rgba(255,255,255,0.10);
    --wp-card-hover-bg: rgba(255,255,255,0.12);
    --wp-text-primary: #e8ecf2;
    --wp-text-secondary: #a0a8b8;
    --wp-text-muted: #6b7280;
    --wp-accent: #7c8fff;
    --wp-accent-hover: #9aa3ff;
    --wp-accent-light: rgba(124,143,255,0.15);
    --wp-nav-bg: rgba(15,17,25,0.75);
    --wp-nav-border: rgba(255,255,255,0.08);
    --wp-tab-bg: rgba(255,255,255,0.05);
    --wp-tab-border: rgba(255,255,255,0.08);
    --wp-tab-hover-bg: rgba(255,255,255,0.12);
    --wp-skel-bg: rgba(255,255,255,0.04);
    --wp-drop-bg: rgba(20,24,35,0.95);
}




/* ===== 导航栏 ===== */
.wp-nav {
    position: relative; z-index: 1;
    backdrop-filter: blur(var(--wp-glass-blur));
    -webkit-backdrop-filter: blur(var(--wp-glass-blur));
    background: var(--wp-nav-bg);
    border-bottom: 1px solid var(--wp-nav-border);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    transition: background var(--wp-transition), border-color var(--wp-transition);
}

.wp-nav-left { display: flex; align-items: center; flex: 1; min-width: 0; }

/* ===== 分类标签 ===== */
.wp-tabs { display: flex; flex-wrap: nowrap; align-items: center; gap: 5px; flex: 1; min-width: 0; }

.tab {
    flex-shrink: 0;
    padding: 7px 15px;
    font-size: 0.83rem;
    font-family: inherit;
    color: var(--wp-text-secondary);
    background: var(--wp-tab-bg);
    border: 1px solid var(--wp-tab-border);
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--wp-transition);
    white-space: nowrap;
}
.tab:hover { color: var(--wp-text-primary); background: var(--wp-tab-hover-bg); }
.tab.active {
    color: #fff; background: var(--wp-accent);
    border-color: var(--wp-accent);
}

/* 折叠下拉 */
.tab-fold { position: relative; flex-shrink: 0; }
.tab-dropdown {
    display: none; position: absolute; top: 100%; left: 0;
    margin-top: 6px; padding: 6px;
    background: var(--wp-drop-bg);
    backdrop-filter: blur(var(--wp-glass-blur));
    -webkit-backdrop-filter: blur(var(--wp-glass-blur));
    border: 1px solid var(--wp-nav-border);
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    display: none; flex-direction: column; gap: 3px;
    min-width: 120px; z-index: 200;
}
.tab-dropdown.show { display: flex; }
.tab-dropdown .tab { width: 100%; text-align: left; white-space: nowrap; }

/* 移动端折叠菜单：默认隐藏 */
.tab-menu { display: none; }
.tab-dropdown-mobile { display: none; }

/* ===== 操作区 ===== */
.wp-nav-actions {
    display: flex; align-items: center; gap: 6px;
    flex-shrink: 0;
}

.wp-icon-btn {
    width: 34px; height: 34px;
    font-size: 17px; line-height: 1;
    background: var(--wp-tab-bg);
    border: 1px solid var(--wp-tab-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--wp-transition);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.wp-icon-btn:hover { background: var(--wp-tab-hover-bg); }

/* 搜索框 */
.search-wrap {
    display: flex; align-items: center; gap: 4px;
    width: 0; overflow: hidden; opacity: 0;
    background: var(--wp-tab-bg);
    border: 1px solid transparent;
    border-radius: 20px;
    padding: 0;
    transition: width 0.3s ease, opacity 0.2s ease, border-color var(--wp-transition), padding var(--wp-transition);
}
.search-wrap.open {
    width: 160px; opacity: 1;
    border-color: var(--wp-tab-border);
    padding: 4px 6px 4px 12px;
}

.search-input {
    width: 100%;
    border: none; outline: none;
    background: transparent;
    font-size: 0.82rem; font-family: inherit;
    color: var(--wp-text-primary);
}
.search-input::placeholder { color: var(--wp-text-muted); }

.search-clear {
    background: none; border: none;
    font-size: 16px; color: var(--wp-text-muted);
    cursor: pointer; padding: 0 4px;
    line-height: 1; transition: color 0.2s;
    flex-shrink: 0;
}
.search-clear:hover { color: var(--wp-accent); }

/* ===== 瀑布流 ===== */
.waterfall {
    position: relative; z-index: 1;
    max-width: 1400px; margin: 16px auto; padding: 0 16px;
    column-count: 3;
    column-gap: 14px;
}

.waterfall .card {
    break-inside: avoid;
    margin-bottom: 14px;
    border-radius: var(--wp-radius);
    overflow: hidden;
    background: var(--wp-card-bg);
    backdrop-filter: blur(var(--wp-glass-blur));
    -webkit-backdrop-filter: blur(var(--wp-glass-blur));
    border: 1px solid var(--wp-card-border);
    transition: all var(--wp-transition);
    cursor: pointer;
    position: relative;
}

.waterfall .card:hover {
    background: var(--wp-card-hover-bg);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    z-index: 2;
}

.waterfall .card img {
    width: 100%; display: block;
    min-height: 120px;
    background: var(--wp-skel-bg);
}

.waterfall .card .card-meta {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 24px 10px 8px;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0; transition: opacity var(--wp-transition);
}
.waterfall .card:hover .card-meta { opacity: 1; }

.waterfall .card .card-meta span {
    display: block; font-size: 0.7rem;
    color: rgba(255,255,255,0.85);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* 骨架屏 */
.skel {
    break-inside: avoid; margin-bottom: 14px;
    border-radius: var(--wp-radius);
    background: var(--wp-skel-bg);
    animation: shimmer 1.6s infinite;
}
@keyframes shimmer {
    0% { opacity: 0.5; } 50% { opacity: 1; } 100% { opacity: 0.5; }
}

/* 加载更多 */
.load-more {
    text-align: center; padding: 10px 0 40px;
    position: relative; z-index: 1;
}
.load-more button {
    padding: 10px 32px;
    font-size: 0.9rem; font-family: inherit;
    color: var(--wp-text-secondary);
    background: var(--wp-card-bg);
    backdrop-filter: blur(var(--wp-glass-blur));
    border: 1px solid var(--wp-card-border);
    border-radius: 20px; cursor: pointer;
    transition: all var(--wp-transition);
}
.load-more button:hover { color: var(--wp-text-primary); background: var(--wp-card-hover-bg); }

/* 图片预览弹窗 */
.lightbox { display: none; position: fixed; inset: 0; z-index: 999; background: rgba(0,0,0,0.88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.lightbox.show { display: flex; align-items: center; justify-content: center; }
.lightbox-glass { position: relative; max-width: 92vw; max-height: 92vh; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.lightbox-glass img { max-width: 100%; max-height: 75vh; border-radius: 10px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.lightbox-close { position: absolute; top: -36px; right: 0; font-size: 28px; color: #fff; background: none; border: none; cursor: pointer; opacity: 0.7; transition: opacity 0.2s; }
.lightbox-close:hover { opacity: 1; }
.lightbox-info { font-size: 0.82rem; color: #a0a8b8; text-align: center; max-width: 80%; }
.lightbox-dl { padding: 8px 22px; font-size: 0.85rem; color: #fff; text-decoration: none; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); border-radius: 20px; transition: all var(--wp-transition); }
.lightbox-dl:hover { background: rgba(255,255,255,0.22); }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
    .waterfall { column-count: 3; padding: 0 12px; }
    .tab { padding: 6px 12px; font-size: 0.8rem; }
    .tab-main:nth-child(n+5) { display: none; } /* 1023以下隐藏第5个之后的tab */
    .tab-fold { display: inline-block; }
}
@media (min-width: 1024px) {
    .tab-main:nth-child(n+5) { display: none; }
    .tab-fold { display: inline-block; }
}
@media (max-width: 640px) {
    .wp-nav { padding: 8px 10px; gap: 4px; }
    .wp-tabs { display: none; }  /* 桌面端tabs隐藏 */
    .tab-menu { display: inline-flex; } /* 移动端折叠按钮显示 */
    .tab-dropdown-mobile {
        position: absolute; top: 100%; left: 10px;
        margin-top: 6px; padding: 6px;
        background: var(--wp-drop-bg);
        backdrop-filter: blur(var(--wp-glass-blur));
        border: 1px solid var(--wp-nav-border);
        border-radius: 12px;
        box-shadow: 0 12px 32px rgba(0,0,0,0.15);
        flex-direction: column; gap: 3px;
        z-index: 200;
        min-width: 130px;
    }
    .tab-dropdown-mobile.show { display: flex; }
    .tab-dropdown-mobile .tab { width: 100%; text-align: left; }
    .wp-icon-btn { width: 28px; height: 28px; font-size: 15px; }
    .search-wrap.open { width: 120px; }
    .waterfall { column-count: 2; column-gap: 8px; padding: 0 8px; margin-top: 10px; }
    .waterfall .card { margin-bottom: 8px; border-radius: 10px; }
}