:root {
  --paper: #f3efe8;
  --paper-2: #fffdfb;
  --ink: #1a1214;
  --muted: #6d5c60;
  --line: rgba(26, 18, 20, 0.12);
  --cerise: #c4163c;
  --cerise-deep: #8d102b;
  --petal: #ffe4ea;
  --bench: #1c1416;
  --bench-text: #f6ecec;
  --bench-muted: #c9b4b8;
  --ok: #1f7a45;
  --bad: #9d1230;
  --shadow: 0 18px 40px rgba(56, 18, 28, 0.08);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Outfit", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(196, 22, 60, 0.13), transparent 55%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.4rem;
  background: rgba(243, 239, 232, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-weight: 640;
  letter-spacing: -0.02em;
}
.mark { width: 28px; height: 28px; color: var(--cerise); }
.top-note { margin: 0; color: var(--muted); font-size: 0.92rem; }

main { width: min(1080px, calc(100% - 2rem)); margin: 0 auto; padding: 2.2rem 0 3rem; }

.hero h1 {
  margin: 0.2rem 0 0.4rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 5.4rem);
  font-weight: 520;
  letter-spacing: -0.045em;
  line-height: 0.92;
}
.lede { max-width: 38rem; margin: 0 0 1.3rem; color: var(--muted); font-size: 1.08rem; }
.kicker {
  margin: 0;
  color: var(--cerise);
  font-size: 0.78rem;
  font-weight: 640;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.search {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: min(100%, 28rem);
  margin-bottom: 1.4rem;
  padding: 0.75rem 0.9rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
}
.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
}
.search kbd {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 0.8rem;
}
.card {
  display: flex;
  flex-direction: column;
  min-height: 168px;
  padding: 1rem 1rem 0.95rem;
  text-decoration: none;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  transition: transform 160ms ease, border-color 160ms ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(196, 22, 60, 0.45); }
.card .idx { color: var(--cerise); font-family: var(--mono); font-size: 0.78rem; }
.card h2 { margin: 0.45rem 0 0.25rem; font-size: 1.35rem; letter-spacing: -0.03em; }
.card p { margin: 0; color: var(--muted); }
.card .tag { margin-top: auto; padding-top: 0.9rem; color: var(--ink); font-size: 0.82rem; }
.empty { color: var(--muted); }

.back {
  display: inline-flex;
  margin-bottom: 0.8rem;
  color: var(--cerise-deep);
  font-weight: 500;
  text-decoration: none;
}
.tool-head h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 520;
  letter-spacing: -0.04em;
  line-height: 1;
}
.tool-head p { margin: 0.45rem 0 1rem; color: var(--muted); }

.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.8rem; }
.btn {
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
}
.btn.primary { background: var(--cerise); border-color: var(--cerise); color: #fff8f8; }
.btn:hover { border-color: var(--cerise); }
.btn:focus-visible, .card:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--cerise);
  outline-offset: 2px;
}

.bench {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field span, .label { color: var(--bench-muted); font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; }
textarea, .readout {
  width: 100%;
  min-height: 240px;
  padding: 0.9rem 1rem;
  border: 0;
  border-radius: 16px;
  background: var(--bench);
  color: var(--bench-text);
  font-family: var(--mono);
  font-size: 0.92rem;
  line-height: 1.45;
  resize: vertical;
}
.readout { white-space: pre-wrap; word-break: break-word; }
.note { min-height: 1.3rem; margin: 0.55rem 0 0; color: var(--bad); }
.note.ok { color: var(--ok); }

.stack { display: grid; gap: 0.8rem; }
.row { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: end; }
.control {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.control input[type="number"], .control input[type="text"], .control input[type="datetime-local"] {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-2);
}
.checks { display: flex; flex-wrap: wrap; gap: 0.7rem 1rem; }
.checks label { display: flex; gap: 0.4rem; align-items: center; }

.swatch-wrap { display: flex; gap: 1rem; align-items: center; }
.swatch {
  width: 92px;
  height: 92px;
  border-radius: 22px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip {
  border: 1px solid var(--line);
  background: var(--paper-2);
  border-radius: 999px;
  padding: 0.4rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.pass {
  font-family: var(--mono);
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  background: var(--bench);
  color: var(--bench-text);
  word-break: break-all;
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto 1.4rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%) translateY(12px);
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff8f6;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 760px) {
  .bench { grid-template-columns: 1fr; }
  .top-note { display: none; }
  .foot { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}