:root {
  --bg: #f6f6fa;
  --surface: #ffffff;
  --surface-2: #f0f1f7;
  --text: #191a23;
  --muted: #5e6175;
  --border: #e2e3ec;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-ink: #ffffff;
  --accent-soft: #eceafe;
  --good: #15803d;
  --warn: #b45309;
  --bad: #b91c1c;
  --radius: 14px;
  --shadow: 0 1px 2px rgb(20 20 50 / 0.04), 0 6px 24px rgb(20 20 50 / 0.06);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0f15;
    --surface: #171821;
    --surface-2: #1f212c;
    --text: #ececf4;
    --muted: #a0a3b8;
    --border: #2b2d3b;
    --accent: #8f88ff;
    --accent-hover: #a7a1ff;
    --accent-ink: #0e0f15;
    --accent-soft: #24234a;
    --good: #4ade80;
    --warn: #fbbf24;
    --bad: #f87171;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 6px 24px rgb(0 0 0 / 0.25);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
code { font-family: var(--mono); font-size: 0.9em; background: var(--surface-2); padding: 0.1em 0.35em; border-radius: 5px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.good { color: var(--good); }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
.mono { font-family: var(--mono); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 10; background: var(--surface); padding: 8px 12px; border-radius: 8px; }

/* Header / footer */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.bar { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.logo b { color: var(--accent); font-weight: inherit; }
.logo-mark { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, #6366f1, #a855f7); box-shadow: inset 0 0 0 6px rgb(255 255 255 / 0.25); }
.site-header nav { display: flex; align-items: center; gap: 18px; }
.site-header nav a { color: var(--muted); text-decoration: none; font-weight: 550; font-size: 0.95rem; }
.site-header nav a:hover { color: var(--text); }
.langs { display: inline-flex; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; }
.site-header .langs a { padding: 3px 8px; font-size: 0.78rem; font-weight: 600; }
.site-header .langs a + a { border-left: 1px solid var(--border); }
.site-header .langs a[aria-current] { background: var(--accent-soft); color: var(--accent); }
.site-footer { margin-top: 72px; padding: 32px 0 48px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.9rem; }
.site-footer p { margin: 4px 0; }
.site-footer a { color: var(--muted); }

/* Home */
.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0 auto 16px; max-width: 18ch; }
.hero .lead { max-width: 60ch; margin: 0 auto 28px; }
.lead { color: var(--muted); font-size: 1.12rem; margin: 0; }
.search { max-width: 520px; margin: 0 auto; }
.search input { width: 100%; font-size: 1.05rem; padding: 14px 18px; border-radius: 999px; box-shadow: var(--shadow); }
.badges { list-style: none; padding: 0; margin: 22px 0 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 0.92rem; }
.badges li::before { content: "✓ "; color: var(--good); font-weight: 700; }
.cat { margin-top: 36px; }
.cat h2 { font-size: 1.15rem; margin: 0 0 14px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.85rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.grid.compact { grid-template-columns: 1fr; gap: 10px; }
.tool-card { display: flex; gap: 14px; align-items: flex-start; padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); text-decoration: none; transition: border-color .15s, transform .15s, box-shadow .15s; }
.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); color: var(--text); }
.tool-card strong { display: block; font-weight: 650; }
.tool-card small { display: block; color: var(--muted); font-size: 0.88rem; line-height: 1.45; margin-top: 2px; }
.icon { flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--accent-soft); font-size: 1.2rem; font-weight: 700; color: var(--accent); }
.icon.big { width: 56px; height: 56px; font-size: 1.7rem; border-radius: 14px; }
.none { text-align: center; color: var(--muted); padding: 32px 0; }

/* Tool page */
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.88rem; color: var(--muted); margin: 22px 0 18px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.tool-head { display: flex; gap: 18px; align-items: center; margin-bottom: 22px; }
.tool-head h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); margin: 0 0 6px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: calc(var(--radius) + 4px); padding: 22px; box-shadow: var(--shadow); }
.tool > * + * { margin-top: 16px; }
.privacy { font-size: 0.9rem; color: var(--muted); margin: 14px 4px 0; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; margin-top: 40px; }
.content { max-width: 70ch; }
.content h2 { font-size: 1.35rem; margin: 32px 0 12px; }
.content h2:first-child { margin-top: 0; }
.steps { padding-left: 1.3em; }
.steps li { margin: 6px 0; }
.faq details { border-bottom: 1px solid var(--border); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 8px 0 0; color: var(--muted); }
.related h2 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 14px; }
.related .tool-card { padding: 12px; }
.related .icon { width: 34px; height: 34px; font-size: 1rem; }
.legal { max-width: 75ch; padding-top: 24px; }
.legal .placeholder { background: #fff3c4; color: #5c4400; padding: 0 4px; border-radius: 4px; }

/* Form controls */
input, select, textarea, button { font: inherit; color: inherit; }
input:not([type=checkbox]):not([type=radio]):not([type=range]), select, textarea {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; width: 100%; min-width: 0;
  transition: border-color .15s, box-shadow .15s;
}
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, .drop:focus-visible, a:focus-visible {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 28%, transparent);
}
textarea { resize: vertical; display: block; line-height: 1.5; }
textarea[readonly] { background: var(--surface-2); }
input.big { font-size: 1.15rem; padding: 11px 14px; }
input[type=range] { width: 100%; accent-color: var(--accent); }
input[type=checkbox], input[type=radio] { accent-color: var(--accent); width: 18px; height: 18px; margin: 0; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; font-weight: 550; color: var(--muted); }
.field.inline { flex-direction: row; align-items: center; gap: 10px; }
.field.inline select, .field.inline input { width: auto; }
.field > textarea, .field > input, .field > select { color: var(--text); font-weight: 400; font-size: 1rem; }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.controls { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 16px; }
.controls .grow { flex: 1 1 200px; }
.controls .spacer { flex: 1; }
.checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px 16px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.with-btn { display: flex; gap: 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent);
  padding: 9px 16px; border-radius: 10px; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-ink); }
.btn.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn.secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn.small { padding: 6px 12px; font-size: 0.9rem; }
.btn:disabled { opacity: 0.7; cursor: default; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; cursor: pointer; font-size: 0.92rem; }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.chip.mono { font-family: var(--mono); font-size: 0.85rem; }
.segmented { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 4px; gap: 4px; flex-wrap: wrap; }
.segmented label { padding: 7px 16px; border-radius: 9px; cursor: pointer; font-weight: 550; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label:has(input:checked) { background: var(--surface); box-shadow: var(--shadow); color: var(--accent); }
.segmented label:has(input:focus-visible) { outline: 2px solid var(--accent); }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.stats.three { grid-template-columns: repeat(3, 1fr); }
.stat { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; display: flex; flex-direction: column; min-width: 0; }
.stat b { font-size: 1.45rem; font-weight: 700; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; line-height: 1.25; }
.stat span { color: var(--muted); font-size: 0.85rem; }
.stat.accent { background: var(--accent-soft); }
.stat.accent b { color: var(--accent); }
.status { font-size: 0.92rem; margin: 0; min-height: 1.4em; overflow-wrap: anywhere; }
.summary { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; background: var(--accent-soft); padding: 10px 14px; border-radius: 12px; }

/* Image compressor */
.drop { display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; padding: 36px 16px; border: 2px dashed var(--border); border-radius: var(--radius); cursor: pointer; transition: border-color .15s, background .15s; }
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop-icon { font-size: 1.6rem; color: var(--accent); }
.results { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.results li { display: flex; align-items: center; gap: 14px; padding: 10px; border: 1px solid var(--border); border-radius: 12px; }
.results li.failed { border-color: var(--bad); }
.results .thumb { width: 56px; height: 56px; flex: none; border-radius: 8px; background: var(--surface-2); overflow: hidden; }
.results .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.results .meta { flex: 1; min-width: 0; display: flex; flex-direction: column; font-size: 0.9rem; }
.results .meta strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Word counter */
.top-words h3 { font-size: 0.95rem; margin: 0 0 8px; }
.top-words ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin: 0; }
.top-words li { background: var(--surface-2); padding: 3px 10px; border-radius: 999px; font-size: 0.88rem; }

/* Password */
.pw-box { display: flex; gap: 8px; }
.pw { font-size: 1.25rem !important; padding: 12px 14px !important; letter-spacing: 0.03em; }
.meter { height: 6px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.meter span { display: block; height: 100%; width: 0; background: currentColor; transition: width .25s; }
.strength { margin: 6px 0 0; font-size: 0.92rem; color: var(--muted); }

/* Percentage */
.calc-list { display: grid; gap: 12px; }
.calc { background: var(--surface-2); border-radius: 12px; padding: 14px 16px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; }
.calc .sentence { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.calc input.num { width: 8rem !important; text-align: right; font-variant-numeric: tabular-nums; }
.calc output { text-align: right; font-size: 1.3rem; }
.calc output small { display: block; font-size: 0.8rem; color: var(--muted); }

@media (max-width: 860px) {
  .content-grid { grid-template-columns: 1fr; gap: 32px; }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .hero { padding: 40px 0 24px; }
  .panel { padding: 16px; }
  .tool-head { align-items: flex-start; }
  .icon.big { width: 44px; height: 44px; font-size: 1.3rem; }
  .stats.three { grid-template-columns: 1fr; }
  .calc output { text-align: left; }
  .pw-box { flex-wrap: wrap; }
  .pw-box .pw { flex: 1 1 100%; }
  .pw-box .btn { flex: 1; }
  .site-header nav a.all { display: none; }
}