/* Name Checker — "The Naming Desk"
   Warm, editorial, light instrument. Fraunces (display) + Hanken Grotesk (UI)
   + JetBrains Mono (data). Unified status colour: green = libre, red = pris,
   amber = erreur. Tokens in OKLCH; every text pair clears WCAG AA (>=4.5:1). */

:root {
  color-scheme: light;

  /* Paper & ink */
  --paper:      oklch(0.965 0.013 83);
  --paper-deep: oklch(0.935 0.016 80);
  --surface:    oklch(0.995 0.005 85);
  --ink:        oklch(0.23 0.014 60);
  --ink-soft:   oklch(0.40 0.013 62);
  --muted:      oklch(0.50 0.012 65);
  --line:       oklch(0.88 0.012 78);
  --line-soft:  oklch(0.91 0.010 80);
  --dot:        oklch(0.80 0.014 78 / 0.42);

  /* Free (good outcome) */
  --clear-fg:   oklch(0.44 0.13 152);
  --clear-bg:   oklch(0.93 0.055 152);
  --clear-dot:  oklch(0.60 0.15 152);

  /* Taken (occupied) */
  --taken-fg:   oklch(0.47 0.16 28);
  --taken-bg:   oklch(0.93 0.055 30);
  --taken-dot:  oklch(0.57 0.19 30);

  /* Error / unknown */
  --warn-fg:    oklch(0.46 0.09 70);
  --warn-bg:    oklch(0.93 0.06 82);
  --warn-dot:   oklch(0.66 0.13 78);

  --focus:      oklch(0.55 0.16 250);
  --shadow:     oklch(0.32 0.02 70 / 0.16);

  --maxw: 56rem;
  --radius: 14px;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-ui: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;

    --paper:      oklch(0.205 0.012 70);
    --paper-deep: oklch(0.175 0.012 70);
    --surface:    oklch(0.245 0.013 72);
    --ink:        oklch(0.93 0.012 85);
    --ink-soft:   oklch(0.80 0.012 82);
    --muted:      oklch(0.68 0.012 80);
    --line:       oklch(0.34 0.013 72);
    --line-soft:  oklch(0.30 0.012 72);
    --dot:        oklch(0.45 0.014 78 / 0.32);

    --clear-fg:   oklch(0.83 0.14 152);
    --clear-bg:   oklch(0.31 0.06 152);
    --clear-dot:  oklch(0.72 0.16 152);

    --taken-fg:   oklch(0.81 0.13 32);
    --taken-bg:   oklch(0.32 0.07 30);
    --taken-dot:  oklch(0.70 0.17 30);

    --warn-fg:    oklch(0.84 0.10 84);
    --warn-bg:    oklch(0.32 0.05 78);
    --warn-dot:   oklch(0.78 0.13 80);

    --focus:      oklch(0.72 0.13 250);
    --shadow:     oklch(0 0 0 / 0.55);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--paper);
  background-image: radial-gradient(var(--dot) 1px, transparent 1.5px);
  background-size: 24px 24px;
  background-position: center top;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--clear-bg); color: var(--clear-fg); }

a { color: var(--ink-soft); text-underline-offset: 2px; }
a:hover { color: var(--ink); }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 4px; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4.5rem) 1.25rem 4rem;
}

/* ---------- Hero ---------- */

.hero { display: grid; gap: 1.1rem; margin-bottom: 2.5rem; }

.wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: clamp(2.7rem, 8vw, 4.4rem);
  line-height: 1.0;
  letter-spacing: -0.025em;
  display: inline-flex;
  align-items: center;
  gap: clamp(0.9rem, 2.2vw, 1.25rem);
}

.wordmark__dot {
  width: clamp(0.6rem, 1.6vw, 0.85rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--clear-dot);
  box-shadow: 0 0 0 0.28rem var(--clear-bg);
  flex: none;
  translate: 0 -0.06em;
}

.subtitle {
  margin: 0;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2.2vw, 1.18rem);
}
.subtitle strong { color: var(--ink); font-weight: 600; }

/* ---------- Form ---------- */

.panel {
  margin-top: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  display: grid;
  gap: 1rem;
}

.field { display: grid; gap: 0.5rem; }

.field-label { font-size: 0.95rem; font-weight: 600; color: var(--ink); }
.field-hint { color: var(--muted); font-weight: 400; }

textarea {
  width: 100%;
  min-height: 7.5rem;
  resize: vertical;
  font: inherit;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
  transition: border-color 0.15s ease;
}
textarea::placeholder { color: var(--muted); }
textarea:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-color: transparent; }

.actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

button[type="submit"] {
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  min-height: 44px;
  color: var(--paper);
  background: var(--ink);
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1.45rem;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
button[type="submit"]:hover { opacity: 0.88; }
button[type="submit"]:active { transform: translateY(1px); }
button[type="submit"]:disabled { opacity: 0.5; cursor: progress; }

.progress {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- Results ---------- */

.results { margin-top: 2.75rem; }

.results__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.results__title {
  margin: 0;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: 1.4rem;
}
.results__legend { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.8rem; color: var(--muted); }
.legend-item { display: inline-flex; align-items: center; gap: 0.4rem; }
.legend-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; }

.ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.entry {
  position: relative;
  display: grid;
  gap: 0.9rem;
  padding: 1.25rem 0.25rem;
  border-bottom: 1px solid var(--line);
}
.entry:has(details.chip[open]) { z-index: 5; }

@media (min-width: 680px) {
  .entry {
    grid-template-columns: minmax(9rem, 13rem) 1fr;
    align-items: start;
    gap: 1.5rem;
  }
}

.entry__head { display: flex; flex-direction: column; gap: 0.4rem; align-items: flex-start; }

.entry__name {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.cache-tag {
  display: inline-block;
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.05rem 0.4rem;
  vertical-align: middle;
}

.verdict {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.01em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}
.verdict.is-free { color: var(--clear-fg); background: var(--clear-bg); border-color: transparent; }

/* ---------- Status chips ---------- */

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; align-content: flex-start; }

.chip,
.chip > summary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.34rem 0.62rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.82rem;
  white-space: nowrap;
}

.chip__label { color: var(--muted); }
.chip__state {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-soft);
}
.chip__dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--muted); flex: none; }

.chip.is-clear { background: var(--clear-bg); border-color: transparent; }
.chip.is-clear .chip__label { color: var(--clear-fg); opacity: 0.85; }
.chip.is-clear .chip__state { color: var(--clear-fg); }
.chip.is-clear .chip__dot { background: var(--clear-dot); }

.chip.is-occupied { background: var(--taken-bg); border-color: transparent; }
.chip.is-occupied .chip__label { color: var(--taken-fg); opacity: 0.85; }
.chip.is-occupied .chip__state { color: var(--taken-fg); }
.chip.is-occupied .chip__dot { background: var(--taken-dot); }

.chip.is-error { background: var(--warn-bg); border-color: transparent; }
.chip.is-error .chip__label { color: var(--warn-fg); opacity: 0.85; }
.chip.is-error .chip__state { color: var(--warn-fg); }
.chip.is-error .chip__dot { background: var(--warn-dot); }

.chip.is-na { background: transparent; }
.chip.is-na .chip__state { color: var(--muted); }

.chip.is-loading .chip__state { color: var(--muted); }
.chip.is-loading .chip__dot { background: var(--line); animation: pulse 1.2s ease-in-out infinite; }

/* Expandable chip (search "found") with a match popover */
details.chip {
  position: relative;
  padding: 0;
  border: 0;
  background: transparent;
}
details.chip > summary {
  cursor: pointer;
  list-style: none;
  background: var(--taken-bg);
  color: var(--taken-fg);
}
details.chip > summary::-webkit-details-marker { display: none; }
details.chip > summary .chip__label { color: var(--taken-fg); opacity: 0.85; }
details.chip > summary .chip__state { color: var(--taken-fg); }
details.chip > summary .chip__dot { background: var(--taken-dot); }
details.chip[open] { z-index: 40; }

.chip__chevron { font-size: 0.7rem; transition: transform 0.15s ease; }
details.chip[open] .chip__chevron { transform: rotate(180deg); }

.chip__matches {
  position: absolute;
  z-index: 40;
  top: calc(100% + 0.45rem);
  left: 0;
  min-width: 16rem;
  max-width: min(22rem, 82vw);
  margin: 0;
  padding: 0.45rem;
  list-style: none;
  display: grid;
  gap: 0.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 14px 34px var(--shadow);
}
.chip__matches li { font-size: 0.82rem; line-height: 1.4; }
.chip__matches a,
.chip__matches span {
  display: block;
  padding: 0.34rem 0.5rem;
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
  overflow-wrap: anywhere;
  white-space: normal;
}
.chip__matches a:hover { background: var(--paper-deep); }

/* ---------- Footer ---------- */

.site-footer {
  margin-top: 2.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  max-width: 72ch;
}

/* ---------- Motion ---------- */

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(10px);
    animation: rise 0.55s cubic-bezier(0.2, 0.65, 0.2, 1) forwards;
  }
  .hero > .reveal:nth-child(1) { animation-delay: 0.05s; }
  .hero > .reveal:nth-child(2) { animation-delay: 0.13s; }
  .hero > .reveal:nth-child(3) { animation-delay: 0.21s; }
  .entry { animation: rise 0.45s cubic-bezier(0.2, 0.65, 0.2, 1) both; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}