/* ==========================================================================
   方寸工具箱 · 设计系统
   ========================================================================== */

:root {
  --bg: #f4f5f9;
  --bg-accent-1: rgba(99, 102, 241, .10);
  --bg-accent-2: rgba(14, 165, 233, .07);
  --panel: #ffffff;
  --panel-2: #f8f9fc;
  --panel-3: #f1f3f9;
  --border: #e4e7ef;
  --border-strong: #d3d8e4;
  --text: #14161c;
  --text-2: #3d4453;
  --muted: #6d7688;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef0ff;
  --accent-text: #4338ca;
  --ok: #0f9d58;
  --warn: #c77c0b;
  --err: #d9534f;
  --shadow-sm: 0 1px 2px rgba(18, 24, 40, .05);
  --shadow: 0 8px 24px -12px rgba(18, 24, 40, .16);
  --shadow-lg: 0 24px 60px -28px rgba(18, 24, 40, .28);
  --mono: "JetBrains Mono", "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --radius: 12px;
  --sidebar-w: 254px;
}

[data-theme="dark"] {
  --bg: #0e1016;
  --bg-accent-1: rgba(99, 102, 241, .16);
  --bg-accent-2: rgba(14, 165, 233, .08);
  --panel: #161922;
  --panel-2: #1b1f2a;
  --panel-3: #212633;
  --border: #262c3a;
  --border-strong: #333a4b;
  --text: #e9ecf5;
  --text-2: #c3cad9;
  --muted: #8d97ab;
  --accent: #7c8cff;
  --accent-hover: #95a2ff;
  --accent-soft: #1e2440;
  --accent-text: #a5b0ff;
  --ok: #3ecf8e;
  --warn: #e5a03c;
  --err: #f0726d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow: 0 10px 30px -14px rgba(0, 0, 0, .7);
  --shadow-lg: 0 30px 70px -30px rgba(0, 0, 0, .9);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 12% -8%, var(--bg-accent-1), transparent 60%),
    radial-gradient(800px 460px at 92% 4%, var(--bg-accent-2), transparent 62%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); background-clip: padding-box; }

/* ==========================================================================
   布局
   ========================================================================== */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 14px 12px;
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 78%, transparent);
  backdrop-filter: blur(14px);
  min-height: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 2px 6px 8px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  width: 38px; height: 38px;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 18px -8px rgba(79, 70, 229, .75);
  flex: none;
}

.brand-logo svg { display: block; width: 100%; height: 100%; }

.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 16px; letter-spacing: 1px; }
.brand-text small { font-size: 11.5px; color: var(--muted); letter-spacing: .3px; }

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  height: 36px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 9px;
  transition: border-color .15s, box-shadow .15s;
}
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-box svg { width: 15px; height: 15px; color: var(--muted); flex: none; }
.search-box input {
  flex: 1; min-width: 0;
  border: 0; outline: 0; background: transparent;
  color: var(--text); font-family: inherit; font-size: 13px;
}
.search-box kbd {
  font-family: var(--sans);
  font-size: 10px;
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 5px;
  padding: 1px 5px;
  white-space: nowrap;
}

.nav { flex: 1; overflow-y: auto; overflow-x: hidden; padding-right: 2px; margin-right: -2px; }

.nav-group { margin-bottom: 12px; }
.nav-group-title {
  padding: 6px 8px 4px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 9px;
  border-radius: 8px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 13px;
  transition: background .13s, color .13s;
  cursor: pointer;
}
.nav-item svg { width: 16px; height: 16px; flex: none; opacity: .78; }
.nav-item:hover { background: var(--panel-2); color: var(--text); }
.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent-text);
  font-weight: 600;
}
.nav-item.active svg { opacity: 1; }
.nav-item .nav-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidebar-foot {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 8px 2px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--muted);
}
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 18%, transparent); flex: none; }

.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 54px;
  flex: none;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(12px);
}
.crumbs { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 7px; }
.crumbs b { color: var(--text); font-weight: 600; }
.crumbs .sep { opacity: .5; }

.topbar-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
  display: grid; place-items: center;
  width: 34px; height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text-2);
  cursor: pointer;
  transition: all .15s;
}
.icon-btn:hover { border-color: var(--border-strong); color: var(--text); }
.icon-btn svg { width: 16px; height: 16px; }
.ic-moon { display: none; }
[data-theme="dark"] .ic-sun { display: none; }
[data-theme="dark"] .ic-moon { display: block; }

.view { flex: 1; overflow-y: auto; padding: 26px 24px 60px; scroll-behavior: smooth; }
.view-inner { max-width: 1180px; margin: 0 auto; }

/* ==========================================================================
   首页
   ========================================================================== */
.hero { padding: 22px 0 30px; }
.hero-slogan {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--muted);
}
.hero-slogan::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: linear-gradient(145deg, #6f6cf0, #4338ca);
  box-shadow: 0 0 0 3px color-mix(in srgb, #4f46e5 13%, transparent);
  flex: none;
}
.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -1px;
  line-height: 1.2;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #6366f1 10%, #0ea5e9 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p { margin: 0; color: var(--muted); font-size: 14.5px; max-width: 620px; }
.hero-stats { display: flex; gap: 22px; margin-top: 20px; flex-wrap: wrap; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats b { font-size: 19px; letter-spacing: -.4px; }
.hero-stats span { font-size: 12px; color: var(--muted); }

.home-group { margin-bottom: 26px; }
.home-group-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
  margin: 0 0 12px;
}
.home-group-title::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.home-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
  padding: 18px 0 4px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: .04em;
}
.home-foot .hf-brand { font-weight: 600; letter-spacing: .16em; opacity: .8; }

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(232px, 1fr));
  gap: 12px;
}
.tool-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform .16s, box-shadow .16s, border-color .16s;
  position: relative;
  overflow: hidden;
}
.tool-card::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(220px 120px at 100% 0, var(--accent-soft), transparent 70%);
  opacity: 0; transition: opacity .2s;
  pointer-events: none;
}
.tool-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 34%, var(--border)); box-shadow: var(--shadow); }
.tool-card:hover::after { opacity: 1; }
.tool-card .tc-icon {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent-text);
  margin-bottom: 4px;
}
.tool-card .tc-icon svg { width: 18px; height: 18px; }
.tool-card b { font-size: 14px; font-weight: 600; }
.tool-card span { font-size: 12.5px; color: var(--muted); line-height: 1.5; }

/* ==========================================================================
   工具页通用
   ========================================================================== */
.tool-head { margin-bottom: 20px; }
.tool-head h1 {
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: -.5px;
  display: flex; align-items: center; gap: 10px;
}
.tool-head h1 .th-icon {
  width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: 8px; background: var(--accent-soft); color: var(--accent-text);
}
.tool-head h1 .th-icon svg { width: 17px; height: 17px; }
.tool-head p { margin: 0; color: var(--muted); font-size: 13px; max-width: 760px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 14px; }
.card-title {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 13px; font-weight: 600;
  margin: 0 0 12px;
}
.card-title .ct-sub { font-weight: 400; color: var(--muted); font-size: 12px; }

.row { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.row.tight { gap: 6px; }
.row.end { justify-content: flex-end; }
.spacer { flex: 1; }

.grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.grid-2.wide-left { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

/* 表单控件 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 13px;
  min-height: 34px;
  font-family: inherit;
  font-size: 12.8px;
  font-weight: 500;
  color: var(--text-2);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .14s, border-color .14s, color .14s, transform .08s;
}
.btn:hover { background: var(--panel-3); border-color: var(--border-strong); color: var(--text); }
.btn:active { transform: translateY(.5px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--accent); border-color: transparent; color: #fff; box-shadow: 0 6px 14px -8px color-mix(in srgb, var(--accent) 80%, transparent); }
.btn.primary:hover { background: var(--accent-hover); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--panel-2); color: var(--text); }
.btn.sm { min-height: 28px; padding: 4px 9px; font-size: 12px; border-radius: 7px; }
.btn.danger { color: var(--err); }
.btn svg { width: 14px; height: 14px; }

.input, select.input, textarea.input {
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 8px 11px;
  min-height: 36px;
  outline: 0;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.input:hover, textarea.input:hover { border-color: var(--border-strong); }
.input:focus, textarea.input:focus { border-color: var(--accent); background: var(--panel); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea.input { line-height: 1.65; resize: vertical; font-family: var(--mono); font-size: 12.6px; padding: 10px 12px; display: block; }
textarea.big { min-height: 330px; }
textarea.mid { min-height: 160px; }
select.input { cursor: pointer; appearance: none; padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236d7688' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center; background-size: 14px;
}
input.input.mono, textarea.input.mono { font-family: var(--mono); }
.input.sm { min-height: 30px; padding: 4px 9px; font-size: 12.5px; }

label.field { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--muted); }
label.field > span { font-weight: 500; }

.check { display: inline-flex; align-items: center; gap: 6px; font-size: 12.8px; color: var(--text-2); cursor: pointer; user-select: none; }
.check input { accent-color: var(--accent); width: 14px; height: 14px; margin: 0; cursor: pointer; }

.hint { font-size: 12px; color: var(--muted); }
.hint.warn { color: var(--warn); }
.hint.err { color: var(--err); }
.hint.ok { color: var(--ok); }
.mono { font-family: var(--mono); }

.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11.5px;
  background: var(--panel-3);
  color: var(--muted);
  border: 1px solid var(--border);
}
.pill.ok { background: color-mix(in srgb, var(--ok) 10%, transparent); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 26%, transparent); }
.pill.err { background: color-mix(in srgb, var(--err) 10%, transparent); color: var(--err); border-color: color-mix(in srgb, var(--err) 26%, transparent); }
.pill.accent { background: var(--accent-soft); color: var(--accent-text); border-color: transparent; }

/* 结果列表 */
.res-list { display: flex; flex-direction: column; }
.res-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 2px;
  border-bottom: 1px dashed var(--border);
  min-height: 44px;
}
.res-row:last-child { border-bottom: 0; }
.res-label { font-size: 12px; color: var(--muted); font-weight: 500; }
.res-value {
  font-family: var(--mono);
  font-size: 12.5px;
  word-break: break-all;
  line-height: 1.5;
  user-select: text;
}
.res-value.big { font-size: 15px; letter-spacing: .2px; }

.stat-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

/* 时间戳大数字 */
.ts-hero {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  padding: 14px 16px;
  border-radius: 11px;
  background: linear-gradient(120deg, var(--accent-soft), transparent 75%);
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border));
}
.ts-hero .ts-num {
  font-family: var(--mono);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 600;
  letter-spacing: -.5px;
  color: var(--accent-text);
  line-height: 1.1;
}
.ts-hero .ts-date { font-size: 13px; color: var(--text-2); font-family: var(--mono); }

/* 正则高亮 */
.regex-view {
  font-family: var(--mono);
  font-size: 12.8px;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 130px;
  max-height: 340px;
  overflow: auto;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel-2);
}
.regex-view mark {
  background: color-mix(in srgb, #f59e0b 34%, transparent);
  color: inherit;
  border-radius: 3px;
  padding: 1px 0;
  box-shadow: 0 0 0 1px color-mix(in srgb, #f59e0b 40%, transparent);
}
.regex-view mark:nth-of-type(even) { background: color-mix(in srgb, #0ea5e9 30%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, #0ea5e9 40%, transparent); }

table.mt { width: 100%; border-collapse: collapse; font-size: 12.3px; }
table.mt th {
  text-align: left; font-weight: 600; color: var(--muted);
  padding: 6px 8px; border-bottom: 1px solid var(--border);
  font-size: 11.5px; letter-spacing: .03em;
}
table.mt td { padding: 6px 8px; border-bottom: 1px dashed var(--border); vertical-align: top; }
table.mt td.mono { font-family: var(--mono); word-break: break-all; }
table.mt tr:last-child td { border-bottom: 0; }
.table-wrap { max-height: 260px; overflow: auto; }

/* 拖拽上传 */
.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  padding: 34px 20px;
  border: 1.5px dashed var(--border-strong);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--muted);
  text-align: center;
  cursor: pointer;
  transition: all .18s;
}
.dropzone:hover, .dropzone.drag {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-text);
}
.dropzone svg { width: 30px; height: 30px; opacity: .8; }
.dropzone b { font-size: 13px; color: var(--text); font-weight: 600; }
.dropzone small { font-size: 12px; }
[data-theme="dark"] .dropzone:hover b { color: var(--text); }

.file-list { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.file-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
}
.file-item img {
  width: 52px; height: 52px;
  object-fit: cover;
  border-radius: 7px;
  background: var(--panel-3);
  border: 1px solid var(--border);
}
.file-item .fi-name { font-size: 12.8px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item .fi-meta { font-size: 11.5px; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 2px; }
.file-item .fi-actions { display: flex; gap: 6px; align-items: center; }
.delta-down { color: var(--ok); }
.delta-up { color: var(--err); }

/* 二维码 */
.qr-stage {
  display: grid; place-items: center;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background:
    linear-gradient(45deg, var(--panel-2) 25%, transparent 25%, transparent 75%, var(--panel-2) 75%) 0 0/16px 16px,
    linear-gradient(45deg, var(--panel-2) 25%, var(--panel) 25%, var(--panel) 75%, var(--panel-2) 75%) 8px 8px/16px 16px;
  min-height: 280px;
}
.qr-stage canvas { max-width: 100%; height: auto; border-radius: 6px; box-shadow: var(--shadow); display: block; }

/* 通用 */
.divider { height: 1px; background: var(--border); margin: 14px 0; }
.tabs { display: inline-flex; gap: 3px; padding: 3px; background: var(--panel-3); border-radius: 9px; }
.tabs button {
  border: 0; background: transparent; cursor: pointer;
  padding: 5px 12px; border-radius: 7px;
  font-family: inherit; font-size: 12.5px; color: var(--muted);
  transition: all .14s;
}
.tabs button.active { background: var(--panel); color: var(--text); font-weight: 600; box-shadow: var(--shadow-sm); }

.empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; padding: 40px 20px; color: var(--muted); font-size: 12.8px;
  border: 1px dashed var(--border); border-radius: 10px;
}

.kbd-inline {
  font-family: var(--mono); font-size: 11px;
  padding: 1px 5px; border: 1px solid var(--border);
  border-bottom-width: 2px; border-radius: 5px;
  background: var(--panel-2); color: var(--text-2);
}

.toast {
  position: fixed;
  left: 50%; bottom: 28px;
  transform: translate(-50%, 16px);
  padding: 9px 16px;
  border-radius: 10px;
  background: #1d2230;
  color: #fff;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s, transform .22s;
  z-index: 100;
  max-width: min(90vw, 460px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { background: #b3362f; }
.toast.ok { background: #12673f; }
[data-theme="dark"] .toast { background: #2b3244; }
[data-theme="dark"] .toast.err { background: #a13a34; }

.fade-in { animation: fadeIn .26s ease both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* 响应式 */
@media (max-width: 1000px) {
  .app { grid-template-columns: 1fr; grid-template-rows: auto minmax(0, 1fr); }
  .sidebar {
    position: relative;
    flex-direction: row; align-items: center; gap: 10px;
    padding: 8px 12px;
    border-right: 0; border-bottom: 1px solid var(--border);
    overflow-x: auto; overflow-y: hidden;
  }
  .brand { padding: 0; flex: none; }
  .brand-logo { width: 32px; height: 32px; border-radius: 9px; }
  .brand-text { display: none; }
  .search-box { flex: 1; min-width: 120px; max-width: 240px; height: 32px; }
  .search-box kbd { display: none; }
  .nav { display: flex; gap: 4px; overflow-x: auto; overflow-y: hidden; flex: 0 1 auto; }
  .nav-group { margin: 0; display: flex; gap: 4px; }
  .nav-group-title { display: none; }
  .nav-item { padding: 5px 10px; white-space: nowrap; }
  .nav-item .nav-label { font-size: 12.5px; }
  .sidebar-foot { display: none; }
  .sidebar::after {
    content: "";
    position: absolute; top: 0; right: 0; bottom: 0; width: 26px;
    background: linear-gradient(to right, transparent, var(--panel));
    pointer-events: none;
  }
  .topbar { height: 48px; padding: 0 14px; }
  .view { padding: 16px 14px 48px; }
  .grid-2, .grid-2.wide-left { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero { padding: 10px 0 22px; }
}
@media (max-width: 560px) {
  .tool-grid { grid-template-columns: 1fr; }
  .res-row { grid-template-columns: 64px minmax(0, 1fr); }
  .res-row .res-actions { grid-column: 2; justify-self: start; }
  .file-item { grid-template-columns: 44px minmax(0, 1fr); }
  .file-item .fi-actions { grid-column: 2; }
  .file-item img { width: 44px; height: 44px; }
}

/* 子面板切换 */
.pane { display: none; }
.pane.active { display: block; animation: fadeIn .22s ease both; }
.pane > .grid-2 { margin-top: 14px; }

/* 标签 chip */
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 4px 10px;
  font-family: inherit;
  font-size: 11.8px;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 99px;
  cursor: pointer;
  transition: all .14s;
}
.chip:hover { color: var(--accent-text); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); background: var(--accent-soft); }

/* range 控件 */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 18px;
  background: transparent;
  cursor: pointer;
  margin: 0;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 99px;
  background: var(--border-strong);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  margin-top: -5px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--panel);
  box-shadow: 0 1px 4px rgba(0,0,0,.22);
  cursor: pointer;
}
input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 99px;
  background: var(--border-strong);
}
input[type="range"]::-moz-range-thumb {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--panel);
  cursor: pointer;
}
input[type="color"] { cursor: pointer; }

/* 正则输入组 */
.row .input + .input { margin-left: 0; }

/* 首页卡片分类角标 */
.tool-card .tc-tag {
  position: absolute;
  top: 12px; right: 12px;
  font-size: 10.5px;
  letter-spacing: .02em;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 1px 7px;
  z-index: 1;
}
.tool-card { padding-top: 15px; }

/* 颜色选择器 */
input[type="color"]::-webkit-color-swatch-wrapper { padding: 3px; }
input[type="color"]::-webkit-color-swatch { border: 1px solid var(--border-strong); border-radius: 5px; }
input[type="color"]::-moz-color-swatch { border: 1px solid var(--border-strong); border-radius: 5px; }

/* ==========================================================================
   第二批工具
   ========================================================================== */
.is-hidden { display: none !important; }

/* JWT */
.jwt-token {
  margin-top: 12px;
  padding: 11px 13px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 12.2px;
  line-height: 1.8;
  word-break: break-all;
}
.jwt-token .jt-h { color: #4f46e5; }
.jwt-token .jt-p { color: #0e7490; }
.jwt-token .jt-s { color: #b45309; }
.jwt-token .jt-dot { color: var(--muted); }
[data-theme="dark"] .jwt-token .jt-h { color: #a5b0ff; }
[data-theme="dark"] .jwt-token .jt-p { color: #67e8f9; }
[data-theme="dark"] .jwt-token .jt-s { color: #fbbf24; }
.jwt-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 7px; font-family: var(--sans); line-height: 1.4; }

/* Cron */
.cron-sentence {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  padding: 11px 14px;
  background: var(--panel-2);
  border-left: 3px solid var(--accent);
  border-radius: 0 9px 9px 0;
  color: var(--text);
}
.cron-next { display: flex; flex-direction: column; gap: 7px; }
.cron-run {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel-2);
  font-size: 12.8px;
}
.cr-i {
  width: 20px; height: 20px; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 11px; font-weight: 600;
}
.cr-time { font-size: 13px; }
.cr-dow { font-size: 11.5px; color: var(--muted); }
.cr-rel { font-size: 11.5px; color: var(--muted); }

/* URL 参数表 */
#urlParams td { padding: 4px 6px; }
#urlParams .input { min-height: 28px; font-size: 12px; }

/* 文件哈希 */
.hash-list { display: flex; flex-direction: column; gap: 12px; }
.hash-item {
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
}
.hi-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.hi-head b { font-size: 13px; font-weight: 600; word-break: break-all; }
.hi-size { font-size: 11.5px; color: var(--muted); flex: none; }
.hi-rows { display: flex; flex-direction: column; gap: 3px; }
.hi-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}
.hi-k { font-size: 10.5px; letter-spacing: .05em; color: var(--muted); }
.hi-row code { font-size: 11.8px; word-break: break-all; color: var(--text-2); }
.hi-row .btn { min-height: 24px; padding: 2px 7px; font-size: 11px; }

/* Diff */
.diff-view {
  max-height: 560px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  font-family: var(--mono);
  font-size: 12.2px;
  line-height: 1.6;
}
.diff-split .df-row { display: grid; grid-template-columns: 46px minmax(0, 1fr) 46px minmax(0, 1fr); }
.diff-uni .df-row { display: grid; grid-template-columns: 46px 46px minmax(0, 1fr); }
.df-row { border-bottom: 1px solid color-mix(in srgb, var(--border) 55%, transparent); }
.df-row:last-child { border-bottom: 0; }
.df-n {
  padding: 1px 8px;
  text-align: right;
  font-size: 11px;
  color: var(--muted);
  opacity: .8;
  user-select: none;
  background: var(--panel);
  border-right: 1px solid var(--border);
}
.df-c { padding: 1px 9px; white-space: pre-wrap; word-break: break-word; min-height: 21px; }
.df-del { background: color-mix(in srgb, var(--err) 13%, transparent); }
.df-add { background: color-mix(in srgb, var(--ok) 13%, transparent); }
.df-blank { background: color-mix(in srgb, var(--panel-3) 55%, transparent); }
.df-hl {
  background: color-mix(in srgb, var(--warn) 36%, transparent);
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
}
.df-sign { display: inline-block; width: 12px; color: var(--muted); }

/* 颜色工具 */
.color-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 108px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: background .18s ease;
}
.color-hero span { font-family: var(--mono); font-size: 22px; font-weight: 600; letter-spacing: .6px; }
.color-hero .btn { background: rgba(128, 128, 128, .16); border-color: rgba(128, 128, 128, .3); color: inherit; }
.color-input {
  width: 46px; height: 38px; flex: none;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel-2);
  cursor: pointer;
}
.wcag-list { display: flex; flex-direction: column; margin-top: 10px; }
.wcag-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 12.3px;
  color: var(--text-2);
}
.wcag-row:last-child { border-bottom: 0; }
.shade-row { display: flex; gap: 5px; flex-wrap: wrap; }
.shade {
  flex: 1 1 0;
  min-width: 42px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  font-family: inherit;
}
.shade-box {
  height: 42px;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, .07);
  transition: transform .14s ease;
}
[data-theme="dark"] .shade-box { border-color: rgba(255, 255, 255, .1); }
.shade:hover .shade-box { transform: translateY(-2px); }
.shade-hex { font-family: var(--mono); font-size: 9.5px; color: var(--muted); text-align: center; letter-spacing: -.2px; }
.df-stat-add { color: var(--ok); }
.df-stat-del { color: var(--err); }
.grid-3.color-nums { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 720px) {
  .diff-split { min-width: 560px; }
}

/* 禁用 JavaScript 时的降级内容（同时作为不执行 JS 爬虫的正文） */
.seo-fallback {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}
.seo-fallback h1 {
  font-size: 26px;
  margin: 0 0 14px;
  letter-spacing: -.4px;
}
.seo-fallback h2 {
  font-size: 16px;
  margin: 30px 0 10px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.seo-fallback p { margin: 0 0 14px; color: var(--text-2); }
.seo-fallback ul { margin: 0; padding-left: 20px; }
.seo-fallback li { margin-bottom: 8px; color: var(--text-2); }
.seo-fallback b { color: var(--text); font-weight: 600; }

/* 禁用 JavaScript 时隐藏应用外壳，让降级正文占据正常文档流 */
.no-js .app,
.no-js .toast { display: none; }

/* ==========================================================================
   菜单管理
   ========================================================================== */
body.managing .sidebar-foot { display: none; }
body.managing .search-box { opacity: .4; }
body.managing .search-box input { cursor: not-allowed; }

.menu-bar {
  display: flex;
  gap: 8px;
  flex: none;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}
.menu-bar[hidden] { display: none; }

.menu-reset,
.menu-done {
  flex: 1;
  min-height: 33px;
  font-family: inherit;
  font-size: 12.5px;
  border-radius: 8px;
  cursor: pointer;
  transition: all .14s ease;
}
.menu-reset {
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
}
.menu-reset:hover { color: var(--text); border-color: var(--border-strong); }

.menu-done {
  flex: 1.15;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
}
.menu-done:hover { filter: brightness(1.07); }
.menu-done:active { transform: translateY(1px); }

/* 管理列表 */
.mg-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 2px 4px 12px;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted);
}
.mg-head span { font-weight: 600; color: var(--text-2); }

.mg-group { margin-bottom: 10px; }

.mg-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 33px;
  padding: 4px 4px 4px 6px;
  border-radius: 8px;
}
.mg-item:hover { background: var(--panel-2); }

.mg-ico {
  width: 17px;
  height: 17px;
  flex: none;
  display: grid;
  place-items: center;
  color: var(--muted);
}
.mg-ico svg { width: 15px; height: 15px; }

.mg-name {
  flex: 1;
  min-width: 0;
  font-size: 12.5px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mg-ops { display: flex; gap: 3px; flex: none; }

.mg-btn {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  transition: all .12s ease;
}
.mg-btn svg { width: 12px; height: 12px; }
.mg-btn:hover:not(:disabled) {
  color: var(--accent-text);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: var(--accent-soft);
}
.mg-btn:disabled { opacity: .28; cursor: not-allowed; }
.mg-btn.mg-danger:hover:not(:disabled) {
  color: var(--err);
  border-color: color-mix(in srgb, var(--err) 45%, var(--border));
  background: color-mix(in srgb, var(--err) 10%, transparent);
}
.mg-btn.mg-add { color: var(--accent-text); border-style: dashed; }
.mg-btn.mg-add:hover { border-style: solid; }

/* 已隐藏项 */
.mg-item.is-off .mg-ico { opacity: .3; }
.mg-item.is-off .mg-name {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: color-mix(in srgb, var(--muted) 60%, transparent);
}

/* 全部隐藏时的空状态 */
.nav-empty {
  padding: 26px 14px;
  text-align: center;
  font-size: 12.5px;
  line-height: 2;
  color: var(--muted);
}
.nav-empty-btn {
  margin-top: 8px;
  padding: 5px 13px;
  font-family: inherit;
  font-size: 12px;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: 7px;
  cursor: pointer;
}

/* 首页「显示全部」胶囊按钮 */
.hgt-reset {
  margin-left: 9px;
  padding: 2px 10px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: 99px;
  cursor: pointer;
  vertical-align: middle;
}
.hgt-reset:hover { border-color: var(--accent); }

/* 窄屏：管理面板改为全屏覆盖，避免被截断或遮挡 */
@media (max-width: 1000px) {
  body.managing { overflow: hidden; }
  body.managing .sidebar {
    position: fixed;
    inset: 0;
    z-index: 60;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    max-height: none;
    padding: 14px 14px 0;
    overflow: hidden;
    background: var(--panel);
    border: 0;
  }
  body.managing .brand { display: none; }
  body.managing .search-box { max-width: none; height: 32px; }
  body.managing .sidebar::after { display: none; }
  body.managing .nav {
    display: block;
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
  }
  body.managing .nav-group {
    display: block;
    margin: 0 0 12px;
  }
  body.managing .nav-group-title { display: block; }
  body.managing .mg-item { width: 100%; min-height: 40px; }
  body.managing .mg-btn { width: 30px; height: 30px; }
  body.managing .mg-btn svg { width: 14px; height: 14px; }
  body.managing .mg-ops { gap: 5px; }
  body.managing .menu-bar {
    position: static;
    margin: 0 -14px;
    padding: 12px 14px calc(12px + env(safe-area-inset-bottom, 0px));
  }
}

/* 首页零工具空状态 */
.home-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  padding: 64px 24px 76px;
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: 14px;
  background: var(--panel-2);
}
.home-empty b { font-size: 15px; font-weight: 600; color: var(--text); }
.home-empty span { font-size: 13px; color: var(--muted); line-height: 1.7; max-width: 320px; }
.home-empty .hgt-reset { margin: 6px 0 0; padding: 6px 16px; font-size: 12.5px; }