/* ============================================================
   DevKit 前端样式 — 现代简洁开发者工具站
   支持亮/暗色主题、分类配色、玻璃拟态、细腻动效
   ============================================================ */

:root {
  --primary: #0f766e;
  --primary-rgb: 15, 118, 110;

  /* Light theme */
  --bg: #eef2f1;
  --bg-grad-1: rgba(var(--primary-rgb), .14);
  --bg-grad-2: rgba(99, 102, 241, .10);
  --panel: #ffffff;
  --panel-2: #f7faf9;
  --ink: #101a18;
  --ink-2: #33423f;
  --muted: #64756f;
  --line: #e2eae7;
  --line-strong: #d2ded9;
  --shadow-sm: 0 1px 2px rgba(16, 26, 24, .05);
  --shadow: 0 12px 32px -12px rgba(16, 26, 24, .18);
  --shadow-lg: 0 28px 60px -20px rgba(16, 26, 24, .28);
  --ok: #067647;
  --danger: #c4320a;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --font: "Space Grotesk", "DM Sans", "PingFang SC", "Segoe UI", sans-serif;
  --font-body: "DM Sans", "PingFang SC", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
  --ease: cubic-bezier(.22,.7,.28,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --dur: .22s;

  /* category accents */
  --cat-site: #059669;
  --cat-encode: #2563eb;
  --cat-text: #7c3aed;
  --cat-dev: var(--primary);
  --cat-crypto: #d97706;
  --cat-time: #db2777;
  --cat-network: #0891b2;
}

[data-theme="dark"] {
  --bg: #0b1210;
  --bg-grad-1: rgba(var(--primary-rgb), .22);
  --bg-grad-2: rgba(99, 102, 241, .14);
  --panel: #131d1a;
  --panel-2: #172420;
  --ink: #eaf2ef;
  --ink-2: #c3d2cd;
  --muted: #8ba099;
  --line: #223029;
  --line-strong: #2c3d35;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 16px 40px -16px rgba(0, 0, 0, .6);
  --shadow-lg: 0 30px 70px -20px rgba(0, 0, 0, .7);
  --ok: #34d399;
  --danger: #fb7185;
}
[data-theme="dark"] .tool-card::after,
[data-theme="dark"] .tool-hero::after,
[data-theme="dark"] .page-card::after,
[data-theme="dark"] .tool-workspace::after {
  background: radial-gradient(240px 150px at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,.08), transparent 70%);
}

* { box-sizing: border-box; }
button {
  appearance: none;
  -webkit-appearance: none;
}
button::-moz-focus-inner { border: 0; padding: 0; }
a, button {
  -webkit-tap-highlight-color: transparent;
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; color-scheme: light; }
[data-theme="dark"] { color-scheme: dark; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(1100px 520px at 6% -10%, var(--bg-grad-1), transparent 62%),
    radial-gradient(920px 460px at 96% -8%, var(--bg-grad-2), transparent 58%),
    radial-gradient(680px 280px at 50% 120%, rgba(var(--primary-rgb), .08), transparent 70%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, .site-footer, .announce-bar { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font); letter-spacing: -.02em; }
::selection { background: rgba(var(--primary-rgb), .22); }

.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(170%) blur(16px);
  -webkit-backdrop-filter: saturate(170%) blur(16px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur) var(--ease), background .3s;
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), .45), transparent);
  opacity: .7;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font); font-weight: 700; font-size: 18px; }
.brand img { height: 30px; display: block; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 700;
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 55%, #3b82f6));
  box-shadow: 0 6px 16px -4px rgba(var(--primary-rgb), .5);
  transition: transform .35s var(--ease-out), box-shadow .35s;
}
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.06); box-shadow: 0 10px 22px -6px rgba(var(--primary-rgb), .55); }
.header-nav { display: flex; align-items: center; gap: 6px; }
.nav-links { display: flex; gap: 2px; }
.nav-links a {
  position: relative; color: var(--muted); font-size: 14px; font-weight: 500;
  padding: 8px 14px; border-radius: 999px; transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 2px; border-radius: 2px;
  background: var(--primary); transform: scaleX(0); transform-origin: center;
  transition: transform .28s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); background: rgba(var(--primary-rgb), .10); }
.nav-links a:hover::after { transform: scaleX(1); }

.icon-btn {
  position: relative; overflow: hidden; isolation: isolate;
  box-sizing: border-box; flex: none; padding: 0; margin: 0; line-height: 0;
  width: 40px; height: 40px; min-width: 40px; min-height: 40px;
  max-width: 40px; max-height: 40px;
  border-radius: 12px; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink-2); cursor: pointer;
  display: grid; place-items: center;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  font-size: 17px;
}
.icon-btn:hover { border-color: var(--line-strong); color: var(--primary); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.icon-btn:active { transform: scale(.96); }
.icon-btn:focus { outline: none; }
.icon-btn:focus-visible { box-shadow: 0 0 0 3px rgba(var(--primary-rgb), .28); }
.theme-toggle .theme-ico {
  position: relative; width: 18px; height: 18px;
  display: grid; place-items: center;
}
.theme-toggle svg {
  grid-area: 1 / 1; width: 18px; height: 18px; display: block;
  transform-origin: 50% 50%;
  transition: opacity .36s var(--ease-out), transform .48s var(--ease-out);
}
.theme-toggle .theme-moon { opacity: 0; transform: rotate(-90deg) scale(.45); }
[data-theme="dark"] .theme-toggle .theme-sun { opacity: 0; transform: rotate(90deg) scale(.45); }
[data-theme="dark"] .theme-toggle .theme-moon { opacity: 1; transform: rotate(0) scale(1); }
.btn.is-fav { color: var(--primary); border-color: rgba(var(--primary-rgb), .35); background: rgba(var(--primary-rgb), .08); }

/* ---------- Command palette ---------- */
.cmdk[hidden] { display: none !important; }
.cmdk {
  position: fixed; inset: 0; z-index: 90;
  display: grid; place-items: start center; padding: 12vh 16px 24px;
}
.cmdk-backdrop { position: absolute; inset: 0; background: color-mix(in srgb, #020617 46%, transparent); backdrop-filter: blur(8px); }
.cmdk-panel {
  position: relative; width: min(640px, 100%);
  background: var(--panel); border: 1px solid var(--line-strong); border-radius: 18px;
  box-shadow: var(--shadow-lg); overflow: hidden;
  animation: rise .22s var(--ease-out);
}
.cmdk-input-wrap {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border-bottom: 1px solid var(--line);
}
.cmdk-ico { color: var(--muted); font-size: 18px; }
.cmdk-input-wrap input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 16px; color: var(--ink); padding: 4px 0;
}
.cmdk-input-wrap kbd {
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  padding: 3px 7px; border-radius: 6px; border: 1px solid var(--line);
  color: var(--muted); background: var(--panel-2);
}
.cmdk-list { max-height: min(420px, 52vh); overflow: auto; padding: 8px; }
.cmdk-empty { padding: 28px 12px; text-align: center; color: var(--muted); font-size: 14px; }
.cmdk-group { padding: 8px 10px 4px; font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.cmdk-item {
  position: relative; overflow: hidden;
  display: flex; align-items: center; gap: 12px;
  width: 100%; text-align: left; border: 0; background: transparent;
  padding: 10px 12px; border-radius: 12px; color: inherit; cursor: pointer; font: inherit;
}
.cmdk-item:hover, .cmdk-item.is-active, .cmdk-item:active { background: rgba(var(--primary-rgb), .10); }
.cmdk-item:focus { outline: none; }
.cmdk-item:focus-visible { box-shadow: inset 0 0 0 2px rgba(var(--primary-rgb), .35); }
.cmdk-item .tool-icon {
  width: 36px; height: 36px; border-radius: 10px; flex: none;
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
  background: var(--panel-2); border: 1px solid var(--line);
}
.cmdk-item .cmdk-text { min-width: 0; flex: 1; }
.cmdk-item .cmdk-name { display: block; font-weight: 600; font-size: 14.5px; }
.cmdk-item .cmdk-desc { display: block; color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cmdk-item .cmdk-cat { font-size: 12px; color: var(--muted); flex: none; }
.cmdk-foot {
  display: flex; gap: 14px; padding: 8px 16px; border-top: 1px solid var(--line);
  font-size: 12px; color: var(--muted);
}
.hop-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.hop-list li {
  display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center;
  padding: 10px 12px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line);
  font-size: 13px;
}
.hop-list .n {
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  color: var(--accent, var(--primary));
}
.hop-list .hop-url { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hop-list .hop-meta { font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ---------- Hero ---------- */
.hero { padding: 68px 0 26px; text-align: center; position: relative; overflow: hidden; }
.hero-orbs { position: absolute; inset: -20% -8% auto; height: 320px; pointer-events: none; }
.hero-orbs span {
  position: absolute; border-radius: 50%; filter: blur(8px);
  animation: orb-float 9s ease-in-out infinite;
}
.hero-orbs span:nth-child(1) {
  width: 180px; height: 180px; left: 8%; top: 10%;
  background: rgba(var(--primary-rgb), .18);
}
.hero-orbs span:nth-child(2) {
  width: 140px; height: 140px; right: 12%; top: 0;
  background: rgba(99, 102, 241, .16); animation-delay: -3s; animation-duration: 11s;
}
.hero-orbs span:nth-child(3) {
  width: 90px; height: 90px; left: 46%; top: 36%;
  background: rgba(14, 165, 233, .14); animation-delay: -5s; animation-duration: 8s;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500;
  color: var(--primary); background: rgba(var(--primary-rgb), .10);
  border: 1px solid rgba(var(--primary-rgb), .18); margin-bottom: 20px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--primary);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .18);
  animation: pulse-dot 1.8s var(--ease) infinite;
}
.hero h1 {
  margin: 0 auto 14px; max-width: 760px;
  font-size: clamp(30px, 5vw, 52px); line-height: 1.08; font-weight: 700;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--primary), color-mix(in srgb, var(--primary) 40%, #6366f1));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { margin: 0 auto; color: var(--muted); max-width: 560px; font-size: 17px; }

.search-box {
  position: relative; margin: 30px auto 0; display: flex; gap: 8px; align-items: center;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 7px 7px 20px;
  box-shadow: var(--shadow); max-width: 620px; transition: .24s var(--ease);
}
.search-box::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,.35), transparent 80%);
  opacity: 0; transform: translateX(-30%); transition: .5s var(--ease);
}
.search-box:hover::after, .search-box:focus-within::after { opacity: .55; transform: translateX(20%); }
.search-box:focus-within { border-color: rgba(var(--primary-rgb), .45); box-shadow: var(--shadow-lg), 0 0 0 4px rgba(var(--primary-rgb), .10); transform: translateY(-1px); }
.search-box .search-ico { color: var(--muted); font-size: 17px; }
.search-box input {
  flex: 1; border: 0; outline: 0; background: transparent;
  padding: 11px 4px; font: inherit; font-size: 15px; color: var(--ink);
}
.search-box input::placeholder { color: var(--muted); }
.search-box button {
  position: relative; overflow: hidden;
  border: 0; border-radius: 999px; padding: 11px 22px;
  background: var(--primary); color: #fff; font: inherit; font-weight: 600; cursor: pointer; transition: .18s;
}
.search-box button:hover { filter: brightness(1.06); box-shadow: 0 6px 16px -4px rgba(var(--primary-rgb), .5); transform: translateY(-1px); }
.search-box button:active { transform: translateY(0); }

.category-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; justify-content: center; }
.chip {
  padding: 8px 15px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); color: var(--muted); font-size: 13.5px; font-weight: 500;
  transition: .18s; display: inline-flex; align-items: center; gap: 7px;
}
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .55; }
.chip { position: relative; overflow: hidden; }
.chip:hover { color: var(--ink); border-color: var(--line-strong); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.chip.active { background: var(--primary); color: #fff; border-color: transparent; box-shadow: 0 6px 16px -6px rgba(var(--primary-rgb), .55); }
.chip.active::before { opacity: 1; background: #fff; }

/* ---------- Sections ---------- */
.section { padding: 22px 0 8px; }
.section:last-child { padding-bottom: 48px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin: 0 0 16px; gap: 12px; }
.section-title {
  margin: 0; font-size: 19px; font-weight: 700; display: inline-flex; align-items: center; gap: 10px;
}
.section-title .swatch { width: 10px; height: 10px; border-radius: 3px; background: var(--primary); }
.section-count { font-size: 13px; color: var(--muted); }
.category-block + .category-block { margin-top: 34px; }

/* ---------- Tool grid & cards ---------- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(236px, 1fr));
  gap: 14px;
}
.tool-card {
  --mx: 50%; --my: 0%;
  position: relative; display: flex; flex-direction: column; gap: 4px;
  padding: 18px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform .28s var(--ease-out), box-shadow .28s, border-color .22s;
  overflow: hidden; isolation: isolate;
}
.tool-card:focus { outline: none; }
.tool-card:focus-visible {
  box-shadow: var(--shadow), 0 0 0 3px rgba(var(--primary-rgb), .22);
}
.tool-card:active { transform: translateY(-3px); }
.tool-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0;
  background: radial-gradient(340px 140px at 20% 0%, color-mix(in srgb, var(--accent, var(--primary)) 16%, transparent), transparent 70%);
  transition: opacity .28s;
}
.tool-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(220px 140px at var(--mx) var(--my), color-mix(in srgb, #fff 22%, transparent), transparent 68%);
  transition: opacity .22s;
}
.tool-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 42%, var(--line));
  box-shadow: var(--shadow), 0 0 0 1px color-mix(in srgb, var(--accent, var(--primary)) 12%, transparent);
}
.tool-card:hover::before, .tool-card:hover::after { opacity: 1; }
.tool-card .arrow {
  position: absolute; top: 18px; right: 18px; color: var(--muted);
  opacity: 0; transform: translateX(-6px); transition: .24s var(--ease-out); font-size: 15px;
}
.tool-card:hover .arrow { opacity: 1; transform: translateX(2px); color: var(--accent, var(--primary)); }
.tool-icon {
  width: 44px; height: 44px; border-radius: 13px; margin-bottom: 10px;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent);
  color: var(--accent, var(--primary));
  font-family: var(--mono); font-size: 14px; font-weight: 700;
  transition: transform .35s var(--ease-out), box-shadow .35s;
}
.tool-card:hover .tool-icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 8px 18px -8px color-mix(in srgb, var(--accent, var(--primary)) 55%, transparent);
}
.tool-card .tool-name { font-family: var(--font); font-size: 15.5px; font-weight: 600; color: var(--ink); }
.tool-card .tool-desc { color: var(--muted); font-size: 13px; line-height: 1.5; }

/* category accents */
.cat-site    { --accent: var(--cat-site); }
.cat-encode  { --accent: var(--cat-encode); }
.cat-text    { --accent: var(--cat-text); }
.cat-dev     { --accent: var(--cat-dev); }
.cat-crypto  { --accent: var(--cat-crypto); }
.cat-time    { --accent: var(--cat-time); }
.cat-network { --accent: var(--cat-network); }

/* ---------- Empty ---------- */
.empty-state {
  padding: 56px 24px; text-align: center; color: var(--muted);
  background: var(--panel); border: 1px dashed var(--line-strong); border-radius: var(--radius-lg);
}
.empty-state .em { font-size: 34px; display: block; margin-bottom: 10px; opacity: .6; }

/* ---------- Friend links ---------- */
.friend-section { margin-top: 20px; }
.friend-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 22px 24px; box-shadow: var(--shadow-sm);
}
.friend-links { display: flex; flex-wrap: wrap; gap: 10px 12px; }
.friend-links a {
  color: var(--ink-2); font-size: 14px; padding: 7px 14px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--line); transition: .18s;
}
.friend-links a:hover { color: var(--primary); border-color: rgba(var(--primary-rgb), .4); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 48px; border-top: 1px solid var(--line);
  padding: 30px 0 44px; color: var(--muted); font-size: 13.5px;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--panel) 55%, transparent));
}
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.footer-inner p { margin: 0; }
.site-footer a:hover { color: var(--primary); }

/* ---------- Tool page ---------- */
.tool-page { padding: 28px 0 36px; }
.crumbs {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: 13px; color: var(--muted); margin-bottom: 18px;
}
.crumbs .sep {
  width: 6px; height: 6px; opacity: .4; margin: 0 2px;
  border-right: 1.5px solid currentColor; border-top: 1.5px solid currentColor;
  transform: rotate(45deg);
}
.crumbs .current { color: var(--ink-2); font-weight: 500; }
.crumbs a { transition: color var(--dur) var(--ease); }
.crumbs a:hover { color: var(--accent, var(--primary)); }
.crumb-home { display: inline-flex; align-items: center; gap: 6px; }
.crumb-ico {
  width: 18px; height: 18px; border-radius: 6px; display: grid; place-items: center;
  font-size: 11px; background: var(--panel); border: 1px solid var(--line);
}

.tool-hero {
  --mx: 18%; --my: 0%;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 24px 26px; margin-bottom: 18px;
  box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.tool-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(560px 200px at 0% 0%, color-mix(in srgb, var(--accent, var(--primary)) 18%, transparent), transparent 70%);
}
.tool-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .55;
  background: radial-gradient(280px 180px at var(--mx) var(--my), color-mix(in srgb, #fff 16%, transparent), transparent 70%);
}
.tool-hero-glow, .tool-hero-orb { position: absolute; pointer-events: none; border-radius: 50%; }
.tool-hero-glow {
  width: 220px; height: 220px; right: -40px; top: -70px;
  background: color-mix(in srgb, var(--accent, var(--primary)) 16%, transparent);
  filter: blur(18px); animation: orb-float 10s ease-in-out infinite;
}
.tool-hero-orb {
  width: 90px; height: 90px; right: 18%; bottom: -30px;
  background: color-mix(in srgb, var(--accent, var(--primary)) 10%, transparent);
  filter: blur(10px); animation: orb-float 8s ease-in-out -3s infinite;
}
.tool-hero-main { display: flex; align-items: flex-start; gap: 18px; position: relative; z-index: 1; }
.tool-hero-icon {
  position: relative; width: 64px; height: 64px; border-radius: 18px; flex-shrink: 0;
  display: grid; place-items: center; font-family: var(--mono); font-size: 20px; font-weight: 700;
  color: var(--accent, var(--primary));
  background: color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent, var(--primary)) 20%, transparent),
    0 10px 22px -12px color-mix(in srgb, var(--accent, var(--primary)) 50%, transparent);
  animation: icon-float 4.6s ease-in-out infinite;
}
.tool-hero-icon-ring {
  position: absolute; inset: -7px; border-radius: 22px; pointer-events: none;
  border: 1px solid color-mix(in srgb, var(--accent, var(--primary)) 28%, transparent);
  animation: ring-pulse 2.8s var(--ease) infinite;
}
.tool-hero-text { min-width: 0; flex: 1; }
.tool-hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.meta-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent);
  color: var(--accent, var(--primary));
  transition: transform .2s var(--ease), box-shadow .2s;
}
.meta-pill:hover { transform: translateY(-1px); }
.meta-pill.soft { background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); font-weight: 500; }
.tool-hero h1 { margin: 0 0 6px; font-size: clamp(24px, 3.2vw, 34px); line-height: 1.15; }
.tool-hero p { margin: 0; color: var(--muted); font-size: 15px; max-width: 720px; }
.tool-hero-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tool-hero-tip {
  position: relative; z-index: 1; margin-top: 18px; padding: 12px 14px;
  border-radius: 12px; background: color-mix(in srgb, var(--panel-2) 88%, var(--panel));
  border: 1px dashed var(--line-strong);
  color: var(--ink-2); font-size: 13.5px; line-height: 1.55;
  display: flex; align-items: flex-start; gap: 10px;
}
.tip-ico {
  width: 20px; height: 20px; border-radius: 50%; flex: none; margin-top: 1px;
  display: grid; place-items: center; font-size: 11px; font-weight: 700; font-family: var(--font);
  color: var(--accent, var(--primary));
  background: color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent);
}

.tool-workspace {
  --mx: 50%; --my: 0%;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden;
  position: relative;
}
.tool-workspace::before {
  content: ""; position: absolute; inset: 0 auto auto 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent, var(--primary)), color-mix(in srgb, var(--accent, var(--primary)) 35%, #6366f1), transparent 78%);
}
.tool-workspace::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(320px 180px at var(--mx) var(--my), color-mix(in srgb, #fff 10%, transparent), transparent 70%);
  transition: opacity .25s;
}
.tool-workspace:hover::after { opacity: 1; }
.ws-chrome {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px 8px; background: color-mix(in srgb, var(--panel-2) 80%, var(--panel));
  border-bottom: 1px solid var(--line);
}
.ws-dots { display: inline-flex; gap: 6px; }
.ws-dots i {
  width: 9px; height: 9px; border-radius: 50%; display: block;
  background: var(--line-strong); transition: transform .2s var(--ease), background .2s;
}
.ws-dots i:nth-child(1) { background: #f43f5e; }
.ws-dots i:nth-child(2) { background: #f59e0b; }
.ws-dots i:nth-child(3) { background: #22c55e; }
.tool-workspace:hover .ws-dots i { transform: translateY(-1px); }
.ws-chrome-title { font-size: 12px; font-weight: 700; letter-spacing: .04em; color: var(--ink-2); text-transform: uppercase; }
.ws-chrome-hint { margin-left: auto; font-size: 12px; color: var(--muted); }
.ws-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 14px 18px; border-bottom: 1px solid var(--line); background: var(--panel-2);
}
.ws-toolbar .spacer { flex: 1; min-width: 8px; }
.ws-toolbar .hint { font-size: 12.5px; color: var(--muted); }
.ws-body { padding: 18px; display: grid; gap: 14px; }
.ws-body.compact { gap: 12px; }

.tool-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 0; }
.btn {
  position: relative; overflow: hidden; isolation: isolate;
  border: 0; border-radius: var(--radius-sm); padding: 10px 16px;
  background: var(--accent, var(--primary)); color: #fff; font: inherit; font-weight: 600; cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s, filter .18s, background .18s, border-color .18s;
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { filter: brightness(1.05); box-shadow: 0 8px 18px -6px color-mix(in srgb, var(--accent, var(--primary)) 55%, transparent); transform: translateY(-2px); }
.btn:focus { outline: none; }
.btn:active { transform: translateY(0) scale(.98); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.btn.is-copied { background: var(--ok); }
.btn-ghost { background: var(--panel); color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--line-strong); box-shadow: none; background: var(--panel-2); }
.btn-ghost.is-copied { background: color-mix(in srgb, var(--ok) 14%, var(--panel)); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, var(--line)); }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }

.editor {
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--panel-2);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease), background .2s;
}
.editor:focus-within {
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 50%, var(--line));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent);
  background: var(--panel);
  transform: translateY(-1px);
}
.editor-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 9px 14px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--panel-2) 70%, var(--panel));
}
.editor-head .label { font-size: 12.5px; font-weight: 600; color: var(--muted); letter-spacing: .02em; }
.editor-head .hint { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.editor .code-area, .editor .code-output, .editor .input {
  border: 0; border-radius: 0; background: transparent; box-shadow: none;
}
.editor .code-area:focus, .editor .input:focus { box-shadow: none; background: transparent; }

.field-label { display: block; margin: 0 0 7px; font-size: 13px; font-weight: 500; color: var(--muted); }
.code-area, .code-output, .input {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--panel-2); padding: 13px 15px; font-family: var(--mono); font-size: 13.5px;
  color: var(--ink); outline: none; transition: .16s; line-height: 1.65;
}
.code-area:focus, .input:focus {
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 50%, var(--line));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent);
  background: var(--panel);
}
.code-area { min-height: 200px; resize: vertical; }
.code-area.sm { min-height: 140px; }
.code-output {
  margin: 0; white-space: pre-wrap; word-break: break-all; min-height: 100px;
  max-height: 420px; overflow: auto;
}
.code-output.empty { color: var(--muted); font-style: italic; }

.tool-status {
  min-height: 0; font-size: 13px; color: var(--muted); margin: 0;
  display: none; align-items: center; gap: 7px;
  padding: 10px 12px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line);
}
.tool-status.show {
  display: flex;
  animation: status-in .36s var(--ease-out) both;
}
.tool-status.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 10%, transparent); border-color: color-mix(in srgb, var(--ok) 22%, transparent); }
.tool-status.err { color: var(--danger); background: color-mix(in srgb, var(--danger) 10%, transparent); border-color: color-mix(in srgb, var(--danger) 22%, transparent); }
.tool-status.ok::before { content: "✓"; font-weight: 700; }
.tool-status.err::before { content: "!"; font-weight: 700; }

.inline-form { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }
.inline-form .input { width: auto; flex: 1; min-width: 160px; }
.inline-form label { font-size: 13px; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.check { font-size: 13px; color: var(--muted); display: inline-flex; gap: 5px; align-items: center; }

.flag-group { display: flex; flex-wrap: wrap; gap: 8px; }
.flag-chip {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); color: var(--ink-2); font-size: 13px; font-weight: 500; user-select: none;
  transition: transform .18s var(--ease), border-color .18s, background .18s, color .18s;
}
.flag-chip:hover { transform: translateY(-1px); border-color: var(--line-strong); }
.flag-chip input { appearance: none; width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid var(--line-strong); position: relative; margin: 0; }
.flag-chip input:checked { background: var(--accent, var(--primary)); border-color: transparent; }
.flag-chip input:checked::after {
  content: ""; position: absolute; left: 3.5px; top: 1px; width: 4px; height: 7px;
  border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.flag-chip:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 40%, var(--line));
  background: color-mix(in srgb, var(--accent, var(--primary)) 10%, transparent);
  color: var(--accent, var(--primary));
}

.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.panel-block {
  border: 1px solid var(--line); border-radius: 14px; background: var(--panel-2); overflow: hidden;
}
.panel-block .panel-hd {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 600; color: var(--ink-2);
}
.panel-block .panel-bd { padding: 14px; display: grid; gap: 10px; }

.clock-card {
  --mx: 20%; --my: 0%;
  display: grid; gap: 6px; padding: 16px; border-radius: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent), transparent 70%), var(--panel);
  border: 1px solid var(--line); position: relative; overflow: hidden;
}
.clock-card .clock-label { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.clock-card .clock-value {
  font-family: var(--mono); font-size: clamp(22px, 3vw, 28px); font-weight: 700;
  color: var(--accent, var(--primary)); letter-spacing: -.02em;
}

.result-list { display: grid; gap: 10px; }
.result-item {
  display: grid; gap: 8px; padding: 14px 15px; border-radius: 12px;
  background: var(--panel-2); border: 1px solid var(--line); transition: .16s;
}
.result-item:hover { border-color: var(--line-strong); }
.result-item .ri-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.result-item .ri-top span { font-size: 12px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.result-item code { font-family: var(--mono); font-size: 12.5px; word-break: break-all; color: var(--ink); line-height: 1.55; }

/* ---------- JSON formatter ---------- */
.json-view-switch { display: inline-flex; align-items: center; gap: 6px; }
.json-view-switch .btn.is-active {
  background: color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 40%, var(--line));
  color: var(--accent, var(--primary));
}
.json-path-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px;
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--accent, var(--primary)) 6%, var(--panel));
}
.json-path-label {
  font-size: 11.5px; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .04em;
}
.json-path-value {
  flex: 1; min-width: 140px; font-family: var(--mono); font-size: 12.5px;
  color: var(--accent, var(--primary)); cursor: pointer; word-break: break-all;
  padding: 4px 8px; border-radius: 8px; background: var(--panel);
  border: 1px dashed color-mix(in srgb, var(--accent, var(--primary)) 28%, var(--line));
}
.json-path-value:hover { border-style: solid; }
.json-path-actions { display: inline-flex; gap: 6px; }
.json-tree {
  margin: 0; padding: 12px 14px 16px; max-height: 480px; overflow: auto;
  font-family: var(--mono); font-size: 13px; line-height: 1.7; color: var(--ink);
  background: transparent;
}
.json-node, .json-entry { border-radius: 8px; }
.json-node.is-selected > .json-row,
.json-entry.is-selected > .json-row,
.json-entry.is-selected > .json-node > .json-row {
  background: color-mix(in srgb, var(--accent, var(--primary)) 12%, transparent);
  outline: 1px solid color-mix(in srgb, var(--accent, var(--primary)) 28%, transparent);
}
.json-row {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 2px 6px;
  padding: 2px 8px; border-radius: 8px; cursor: pointer; min-height: 26px;
}
.json-row:hover { background: color-mix(in srgb, var(--ink) 4%, transparent); }
.json-children { margin-left: 18px; border-left: 1px dashed var(--line); padding-left: 8px; }
.json-node.is-collapsed > .json-children { display: none; }
.json-toggle {
  width: 18px; height: 18px; padding: 0; border: 0; border-radius: 4px;
  background: transparent; color: var(--muted); font: inherit; font-size: 10px;
  cursor: pointer; flex: 0 0 18px; line-height: 18px; text-align: center;
}
.json-toggle:hover:not(:disabled):not(.is-spacer) { background: var(--panel-2); color: var(--ink); }
.json-toggle:disabled, .json-toggle.is-empty { opacity: .45; cursor: default; }
.json-toggle.is-spacer { visibility: hidden; pointer-events: none; }
.json-key { color: color-mix(in srgb, var(--accent, var(--primary)) 85%, var(--ink)); font-weight: 600; }
.json-colon { color: var(--muted); }
.json-bracket { color: var(--muted); font-size: 12px; }
.json-val-string { color: #b45309; }
.json-val-number { color: #0369a1; }
.json-val-boolean { color: #7c3aed; }
.json-val-null { color: var(--muted); font-style: italic; }
[data-theme="dark"] .json-val-string { color: #fbbf24; }
[data-theme="dark"] .json-val-number { color: #38bdf8; }
[data-theme="dark"] .json-val-boolean { color: #c4b5fd; }

.related-tools { margin-top: 38px; }

/* ---------- Shared extras for new tools ---------- */
.opt-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px;
}
.opt-card {
  display: grid; gap: 8px; padding: 12px 14px; border-radius: 12px;
  background: var(--panel-2); border: 1px solid var(--line);
}
.opt-card .opt-label { font-size: 12px; font-weight: 600; color: var(--muted); }
.range-row { display: flex; align-items: center; gap: 10px; }
.range-row input[type="range"] { flex: 1; accent-color: var(--accent, var(--primary)); }
.range-row .range-val {
  min-width: 36px; font-family: var(--mono); font-size: 13px; font-weight: 700;
  color: var(--accent, var(--primary)); text-align: right;
}
.kv-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.kv-table th, .kv-table td {
  text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top;
}
.kv-table th { font-size: 12px; color: var(--muted); font-weight: 700; letter-spacing: .04em; }
.kv-table td:first-child { font-weight: 600; color: var(--ink-2); white-space: nowrap; width: 28%; }
.kv-table td:last-child { font-family: var(--mono); font-size: 12.5px; word-break: break-all; }
.kv-table tr:last-child th, .kv-table tr:last-child td { border-bottom: 0; }
.table-wrap {
  overflow: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--panel-2);
}
.stat-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.stat-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink-2);
}
.stat-chip em { font-style: normal; font-family: var(--mono); color: var(--accent, var(--primary)); }

.tab-bar {
  display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 18px 0;
  border-bottom: 1px solid var(--line);
}
.tab-bar .tab-btn {
  padding: 8px 14px; border: 1px solid transparent; border-bottom: 0;
  border-radius: 10px 10px 0 0; background: transparent;
  font: inherit; font-size: 13px; font-weight: 600; color: var(--muted);
  cursor: pointer; transition: .15s;
}
.tab-bar .tab-btn:hover { color: var(--ink); background: var(--panel-2); }
.tab-bar .tab-btn.is-active {
  color: var(--accent, var(--primary));
  background: var(--panel);
  border-color: var(--line);
  box-shadow: inset 0 2px 0 var(--accent, var(--primary));
}
.color-preview {
  width: 100%; height: 80px; border-radius: 12px; border: 1px solid var(--line);
  transition: background .2s;
}
.dropzone {
  display: grid; place-items: center; gap: 8px; min-height: 160px; padding: 22px;
  border: 1.5px dashed var(--line-strong); border-radius: 14px; background: var(--panel-2);
  color: var(--muted); text-align: center; cursor: pointer;
  transition: .2s var(--ease), transform .2s var(--ease);
}
.dropzone:hover, .dropzone.is-over {
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 55%, var(--line));
  background: color-mix(in srgb, var(--accent, var(--primary)) 8%, var(--panel));
  color: var(--accent, var(--primary));
  transform: translateY(-2px);
}
.dropzone strong { color: var(--ink); font-size: 14.5px; }
.preview-box {
  display: grid; place-items: center; min-height: 180px; padding: 16px;
  border: 1px solid var(--line); border-radius: 14px; background:
    linear-gradient(45deg, var(--panel-2) 25%, transparent 25%),
    linear-gradient(-45deg, var(--panel-2) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--panel-2) 75%),
    linear-gradient(-45deg, transparent 75%, var(--panel-2) 75%);
  background-size: 20px 20px; background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  background-color: var(--panel);
}
.preview-box img, .preview-box canvas { max-width: 100%; height: auto; border-radius: 8px; }
.pw-meter { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; }
.pw-meter > i { display: block; height: 100%; width: 0; border-radius: inherit; transition: width .2s, background .2s; }
.pw-meter.weak > i { width: 28%; background: var(--danger); }
.pw-meter.fair > i { width: 55%; background: #d97706; }
.pw-meter.good > i { width: 78%; background: #2563eb; }
.pw-meter.strong > i { width: 100%; background: var(--ok); }
.diff-view {
  margin: 0; max-height: 520px; overflow: auto; font-family: var(--mono); font-size: 12.5px;
  line-height: 1.65; border: 1px solid var(--line); border-radius: 14px; background: var(--panel-2);
}
.diff-line { display: grid; grid-template-columns: 44px 44px 1fr; }
.diff-line span { padding: 1px 10px; white-space: pre-wrap; word-break: break-all; }
.diff-line .ln { color: var(--muted); text-align: right; user-select: none; border-right: 1px solid var(--line); }
.diff-line.add { background: color-mix(in srgb, var(--ok) 12%, transparent); }
.diff-line.del { background: color-mix(in srgb, var(--danger) 12%, transparent); }
.diff-line.skip { color: var(--muted); background: color-mix(in srgb, var(--ink) 3%, transparent); }
.diff-line.add .tx { color: var(--ok); }
.diff-line.del .tx { color: var(--danger); }
.color-dot {
  width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--line); padding: 0;
  background: none; cursor: pointer;
}

/* ---------- Static pages ---------- */
.page-content { max-width: 720px; margin: 0 auto; }
.page-card {
  --mx: 40%; --my: 0%;
  padding: 28px 30px; border-radius: var(--radius); background: var(--panel);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  position: relative; overflow: hidden;
}
.page-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(280px 160px at var(--mx) var(--my), color-mix(in srgb, #fff 14%, transparent), transparent 70%);
  transition: opacity .22s;
}
.page-card:hover::after { opacity: 1; }
.page-card h2 { margin: 0 0 12px; font-size: 22px; }
.page-card h3 { margin: 22px 0 10px; font-size: 16px; color: var(--ink-2); }
.page-card p, .page-card li { color: var(--ink-2); line-height: 1.75; font-size: 15px; }
.page-card ul { margin: 0; padding-left: 1.25em; }
.page-card a { color: var(--primary); text-decoration: none; }
.page-card a:hover { text-decoration: underline; }
.page-links { margin-top: 24px; font-size: 14px; }
.sitemap-links {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px 16px; margin: 0; padding: 0; list-style: none;
}
.sitemap-links a {
  display: block; padding: 8px 12px; border-radius: 10px;
  color: var(--ink-2); text-decoration: none; font-size: 14.5px;
  border: 1px solid var(--line); background: var(--panel);
  transition: .15s;
}
.sitemap-links a:hover {
  color: var(--accent, var(--primary));
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 35%, var(--line));
  background: color-mix(in srgb, var(--accent, var(--primary)) 8%, var(--panel));
  transform: translateY(-2px);
}
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--primary); text-decoration: underline; }

.announce-bar {
  text-align: center; padding: 8px 16px; font-size: 13px; font-weight: 500;
  color: var(--ink-2); background: rgba(var(--primary-rgb), .10);
  border-bottom: 1px solid rgba(var(--primary-rgb), .16);
}
.nav-toggle { display: none; }
.mobile-nav {
  border-top: 1px solid var(--line); background: var(--panel);
  padding: 8px 0 14px;
  animation: nav-in .28s var(--ease-out);
}
.mobile-nav .container { display: grid; gap: 2px; }
.mobile-nav a {
  display: block; padding: 11px 12px; color: var(--ink-2); font-size: 14.5px; font-weight: 500;
  border-bottom: 1px solid var(--line); border-radius: 10px;
}
.mobile-nav a:last-child { border-bottom: 0; }
.mobile-nav a:hover { color: var(--primary); background: rgba(var(--primary-rgb), .08); }
.mobile-nav a:focus { outline: none; }
.mobile-nav a:active { background: rgba(var(--primary-rgb), .12); }
.chip-checks { display: flex; flex-wrap: wrap; gap: 8px 12px; }
.gradient-preview {
  width: 100%; height: 160px; border-radius: 14px; border: 1px solid var(--line);
}
.url-open-list { display: grid; gap: 6px; }
.url-open-list a {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--panel-2);
  color: var(--ink-2); font-size: 13.5px; overflow: hidden;
}
.url-open-list a:hover { border-color: var(--primary); color: var(--primary); }
.url-open-list .n {
  flex: none; width: 22px; height: 22px; border-radius: 6px; display: grid; place-items: center;
  font-size: 11px; font-weight: 700; background: rgba(var(--primary-rgb), .12); color: var(--primary);
}
.url-open-list .u { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 12.5px; }
.tool-hint { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.6; }

select.input {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) calc(50% - 2px), calc(100% - 11px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
  cursor: pointer;
}
.ws-toolbar select.input {
  width: auto;
  padding: 6px 32px 6px 10px;
  font-family: inherit;
}
input[type="number"].input {
  appearance: textfield;
  -moz-appearance: textfield;
}
input[type="number"].input::-webkit-outer-spin-button,
input[type="number"].input::-webkit-inner-spin-button {
  appearance: none;
  margin: 0;
}

.toolbar-field {
  display: inline-flex; align-items: center; gap: 8px;
}
.toolbar-label { font-size: 13px; color: var(--muted); font-weight: 600; }
.seg-group {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 3px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--line);
}
.seg-btn {
  position: relative; overflow: hidden;
  border: 0; background: transparent; color: var(--muted);
  font: inherit; font-size: 12.5px; font-weight: 700;
  padding: 6px 12px; border-radius: 999px; cursor: pointer;
  transition: .18s var(--ease);
}
.seg-btn:hover { color: var(--ink); background: var(--panel-2); }
.seg-btn.is-active {
  background: var(--accent, var(--primary)); color: #fff;
  box-shadow: 0 6px 14px -8px color-mix(in srgb, var(--accent, var(--primary)) 70%, transparent);
}
.seg-btn:disabled { opacity: .55; cursor: not-allowed; }

.num-stepper {
  display: flex; align-items: stretch;
  min-height: 46px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--panel); overflow: hidden;
  transition: border-color .16s, box-shadow .16s;
}
.num-stepper:focus-within {
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 50%, var(--line));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent);
}
.num-stepper .num-step {
  width: 42px; flex: none; border: 0; background: var(--panel-2);
  color: var(--ink-2); font: inherit; font-size: 20px; font-weight: 600; line-height: 1;
  cursor: pointer; transition: background .16s, color .16s;
}
.num-stepper .num-step:hover { background: color-mix(in srgb, var(--accent, var(--primary)) 10%, var(--panel-2)); color: var(--accent, var(--primary)); }
.num-stepper .num-step:active { background: color-mix(in srgb, var(--accent, var(--primary)) 16%, var(--panel-2)); }
.num-stepper .num-step:disabled { opacity: .35; cursor: not-allowed; }
.num-stepper .input,
.num-stepper .input:focus {
  border: 0; border-radius: 0; box-shadow: none; background: transparent;
  text-align: center; padding: 10px 4px; font-size: 16px; font-weight: 700;
  letter-spacing: .02em;
}

.target-grid {
  display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(220px, .85fr); gap: 14px;
}
.opt-card .opt-label small { font-weight: 500; color: var(--muted); margin-left: 6px; }
.opt-card.is-static:hover,
.opt-card:has(.input):hover,
.opt-card:has(.num-stepper):hover {
  transform: none;
}
.preset-caption {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  margin-bottom: 8px; font-size: 12px; font-weight: 600; color: var(--muted);
}
.preset-row { display: flex; flex-wrap: wrap; gap: 8px; }
.preset-btn {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink-2);
  border-radius: 999px; padding: 7px 12px; font: inherit; font-size: 12.5px; font-weight: 600;
  cursor: pointer; transition: .18s var(--ease);
}
.preset-btn:hover, .preset-btn.is-active {
  border-color: color-mix(in srgb, var(--accent, var(--primary)) 40%, var(--line));
  background: color-mix(in srgb, var(--accent, var(--primary)) 10%, transparent);
  color: var(--accent, var(--primary));
}
.preset-btn .preset-port { font-family: var(--mono); margin-right: 4px; }
.preset-btn .preset-name { font-weight: 500; opacity: .78; }

.probe-result {
  --mx: 18%; --my: 0%;
  display: grid; gap: 8px; padding: 20px 18px;
  border-radius: 16px; border: 1px solid var(--line);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent, var(--primary)) 12%, transparent), transparent 68%), var(--panel);
  position: relative; overflow: hidden; min-height: 132px;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.probe-result::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(280px 140px at var(--mx) var(--my), color-mix(in srgb, #fff 10%, transparent), transparent 70%);
}
.probe-result .probe-kicker {
  font-size: 12px; font-weight: 700; color: var(--muted);
  letter-spacing: .04em; padding-right: 92px; word-break: break-all;
}
.probe-result .probe-main {
  font-family: var(--mono); font-size: clamp(26px, 4vw, 34px); font-weight: 700;
  letter-spacing: -.03em; line-height: 1.15; color: var(--ink);
}
.probe-result .probe-sub { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.6; }
.probe-badge {
  position: absolute; top: 16px; right: 16px; z-index: 1;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 700;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--muted);
}
.probe-badge i {
  width: 8px; height: 8px; border-radius: 50%; background: currentColor; display: block;
}
.probe-result.is-run .probe-badge { color: var(--accent, var(--primary)); }
.probe-result.is-run .probe-main { color: var(--accent, var(--primary)); }
.probe-result.is-open {
  border-color: color-mix(in srgb, var(--ok) 35%, var(--line));
  background: linear-gradient(135deg, color-mix(in srgb, var(--ok) 16%, transparent), transparent 70%), var(--panel);
}
.probe-result.is-open .probe-main,
.probe-result.is-open .probe-badge { color: var(--ok); }
.probe-result.is-closed,
.probe-result.is-fail {
  border-color: color-mix(in srgb, var(--danger) 30%, var(--line));
  background: linear-gradient(135deg, color-mix(in srgb, var(--danger) 14%, transparent), transparent 70%), var(--panel);
}
.probe-result.is-closed .probe-main,
.probe-result.is-closed .probe-badge,
.probe-result.is-fail .probe-main,
.probe-result.is-fail .probe-badge { color: var(--danger); }
.cron-grid {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px;
}
.cron-field .opt-label { display: flex; justify-content: space-between; gap: 8px; }
.cron-field .opt-label small { font-weight: 500; color: var(--muted); font-family: var(--mono); }
.expr-box {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line);
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent, var(--primary)) 12%, transparent), transparent 68%), var(--panel);
}
.expr-box code {
  font-family: var(--mono); font-size: clamp(18px, 2.4vw, 24px); font-weight: 700;
  color: var(--accent, var(--primary)); letter-spacing: .02em; word-break: break-all;
}
.next-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.next-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 12px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--line);
  font-size: 13.5px;
}
.next-list .n {
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  color: var(--accent, var(--primary));
}
.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px;
}
.stat-card {
  padding: 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel-2);
}
.stat-card .opt-label { margin-bottom: 6px; }
.stat-card strong {
  display: block; font-family: var(--mono); font-size: 22px; line-height: 1.2;
  color: var(--accent, var(--primary));
}
.tz-now-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px;
}
.tz-now-card {
  padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel-2);
}
.tz-now-card .city { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.tz-now-card .time { font-family: var(--mono); font-size: 18px; font-weight: 700; margin-top: 4px; }
.tz-now-card .date { font-size: 12px; color: var(--muted); margin-top: 2px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-table th, .data-table td {
  text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top;
}
.data-table th { font-size: 12px; color: var(--muted); font-weight: 700; letter-spacing: .04em; }
.data-table td.code, .data-table th.code { font-family: var(--mono); white-space: nowrap; }
.data-table tbody tr { cursor: pointer; }
.data-table tbody tr:hover, .data-table tbody tr.is-hit {
  background: color-mix(in srgb, var(--accent, var(--primary)) 8%, transparent);
}
.data-table tbody tr.is-hidden { display: none; }
.size-bar { height: 10px; border-radius: 999px; background: var(--line); overflow: hidden; }
.size-bar > i { display: block; height: 100%; width: 0; border-radius: inherit; background: var(--accent, var(--primary)); transition: width .2s; }
.video-box { width: 100%; max-height: 320px; border-radius: 12px; background: #111; object-fit: contain; }
.probe-log {
  margin: 0; max-height: 360px; overflow: auto; min-height: 120px;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.7;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px;
  background: var(--panel-2); white-space: pre-wrap; word-break: break-all; color: var(--ink-2);
}

/* ---------- Reveal / motion ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes status-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 12px) scale(.96); } to { opacity: 1; transform: translate(-50%, 0) scale(1); } }
@keyframes nav-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .18); }
  50% { box-shadow: 0 0 0 7px rgba(var(--primary-rgb), .08); }
}
@keyframes orb-float {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(12px, -16px, 0) scale(1.06); }
}
@keyframes icon-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
@keyframes ring-pulse {
  0% { opacity: .7; transform: scale(.94); }
  70%, 100% { opacity: 0; transform: scale(1.12); }
}
@keyframes ripple-out {
  from { transform: translate(-50%, -50%) scale(0); opacity: .22; }
  to { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}
@keyframes back-in {
  from { opacity: 0; transform: translateY(10px) scale(.9); }
  to { opacity: 1; transform: none; }
}

.reveal { animation: rise .56s var(--ease-out) both; animation-delay: var(--stagger, 0ms); }
.will-reveal { opacity: 0; transform: translateY(14px); }
.will-reveal.is-in { animation: rise .56s var(--ease-out) both; animation-delay: var(--stagger, 0ms); }

.btn::after,
.icon-btn::after,
.chip::after,
.preset-btn::after,
.flag-chip::after,
.seg-btn::after,
.tab-btn::after,
.search-box button::after {
  content: "";
  position: absolute;
  left: var(--rx, 50%);
  top: var(--ry, 50%);
  width: var(--rs, 0);
  height: var(--rs, 0);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0);
  background: currentColor;
  opacity: 0;
  z-index: 1;
}
.btn.is-rippling::after,
.icon-btn.is-rippling::after,
.chip.is-rippling::after,
.preset-btn.is-rippling::after,
.flag-chip.is-rippling::after,
.seg-btn.is-rippling::after,
.tab-btn.is-rippling::after,
.search-box button.is-rippling::after {
  animation: ripple-out .5s var(--ease-out) forwards;
}

.btn:focus:not(:focus-visible),
.chip:focus:not(:focus-visible),
.preset-btn:focus:not(:focus-visible),
.seg-btn:focus:not(:focus-visible),
.tab-btn:focus:not(:focus-visible),
.search-box button:focus:not(:focus-visible),
.nav-links a:focus:not(:focus-visible) {
  outline: none;
}
.btn:focus-visible,
.preset-btn:focus-visible,
.seg-btn:focus-visible,
.tab-btn:focus-visible,
.nav-links a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), .28);
}

::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
  mix-blend-mode: normal;
  height: 100%;
}
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; }
html.theme-switching,
html.theme-switching * {
  transition: none !important;
}

.site-toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 80;
  min-width: 160px; max-width: min(420px, calc(100% - 32px));
  padding: 10px 16px; border-radius: 999px;
  background: color-mix(in srgb, var(--ink) 88%, #000); color: #fff;
  font-size: 13.5px; font-weight: 600; text-align: center;
  box-shadow: var(--shadow-lg); pointer-events: none;
  opacity: 0; transform: translate(-50%, 12px); visibility: hidden;
}
.site-toast.is-on { visibility: visible; animation: toast-in .32s var(--ease-out) both; }
.site-toast.is-err { background: color-mix(in srgb, var(--danger) 86%, #000); }

.back-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  width: 42px; height: 42px; border-radius: 14px; border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  backdrop-filter: blur(10px); color: var(--ink-2); cursor: pointer;
  font-size: 16px; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: .24s var(--ease);
}
.back-top.is-on { opacity: 1; visibility: visible; transform: none; animation: back-in .32s var(--ease-out); }
.back-top:hover { color: var(--primary); transform: translateY(-2px); }

.tab-bar .tab-btn { position: relative; overflow: hidden; }
.opt-card, .panel-block, .stat-card, .result-item {
  transition: transform .2s var(--ease), border-color .2s, box-shadow .2s;
}
.opt-card:hover, .panel-block:hover, .stat-card:hover, .result-item:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto; }
  .will-reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .nav-toggle { display: grid; }
}
@media (max-width: 760px) {
  .split-grid, .target-grid { grid-template-columns: 1fr; }
  .cron-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 44px; }
  .hero-orbs { height: 220px; }
  .tool-hero { padding: 18px; }
  .tool-hero-main { flex-direction: column; gap: 12px; }
  .tool-hero-icon { width: 54px; height: 54px; }
  .ws-toolbar { padding: 12px 14px; }
  .ws-body { padding: 14px; }
  .ws-chrome-hint { display: none; }
  .back-top { right: 14px; bottom: 14px; }
}