/* Dico IA — feuille de style unique, sans dépendance externe */

:root {
  --bg: #0b0f17;
  --bg-soft: #111827;
  --card: #131b26;
  --card-hover: #18222f;
  --line: #223040;
  --line-soft: #1a2534;
  --txt: #e8eef7;
  --txt-dim: #93a4b8;
  --txt-faint: #64748b;
  --accent: #4de3d0;
  --accent-soft: rgba(77, 227, 208, 0.12);
  --accent-line: rgba(77, 227, 208, 0.35);
  --ok: #34d399;
  --warn: #fbbf24;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

html[data-theme="light"] {
  --bg: #f7f9fc;
  --bg-soft: #eef2f8;
  --card: #ffffff;
  --card-hover: #f8fbff;
  --line: #dbe4ef;
  --line-soft: #e8eef6;
  --txt: #0f1a2a;
  --txt-dim: #4a5a6e;
  --txt-faint: #7d8ca0;
  --accent: #0d9488;
  --accent-soft: rgba(13, 148, 136, 0.10);
  --accent-line: rgba(13, 148, 136, 0.30);
  --shadow: 0 1px 2px rgba(15,26,42,.06), 0 10px 30px -18px rgba(15,26,42,.25);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #04120f; padding: .6rem 1rem; z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; border-radius: var(--radius-sm); }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(900px 320px at 12% -20%, var(--accent-soft), transparent 70%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  padding: 2.6rem 0 2rem;
}

.hero-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }

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

.logo {
  display: flex; align-items: center; justify-content: center;
  width: 54px; height: 54px; flex: 0 0 54px;
  border-radius: 15px;
  background: linear-gradient(160deg, var(--accent-soft), transparent);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-family: var(--mono); font-size: 1.55rem; font-weight: 700;
  letter-spacing: -.02em; line-height: 1;
}
.logo .dot { opacity: .55; }

h1 { margin: 0; font-size: clamp(1.6rem, 4vw, 2.15rem); letter-spacing: -.025em; line-height: 1.1; }

.tagline { margin: .3rem 0 0; color: var(--txt-dim); font-size: .98rem; }

.icon-btn {
  display: grid; place-items: center;
  width: 42px; height: 42px;
  border-radius: 12px; cursor: pointer;
  background: var(--card); color: var(--txt-dim);
  border: 1px solid var(--line);
  font-size: 1.15rem;
  transition: color .15s, border-color .15s, transform .15s;
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent-line); transform: translateY(-1px); }

.hero-stats { display: flex; gap: 2.2rem; margin: 1.9rem 0 1.5rem; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 1.5rem; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.stat span { font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--txt-faint); }

.pref-card {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.15rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  flex-wrap: wrap;
}
.pref-main { display: flex; flex-direction: column; gap: .35rem; }
.pref-hint { margin: 0; color: var(--txt-dim); font-size: .86rem; max-width: 62ch; }

.pref-state {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase;
  padding: .3rem .6rem; border-radius: 999px;
  border: 1px solid var(--line); color: var(--txt-faint);
}
.pref-state[data-state="synced"] { color: var(--ok); border-color: rgba(52,211,153,.35); }
.pref-state[data-state="saving"] { color: var(--warn); border-color: rgba(251,191,36,.35); }
.pref-state[data-state="error"]  { color: #f87171; border-color: rgba(248,113,113,.4); }

/* switch */
.switch { display: inline-flex; align-items: center; gap: .7rem; cursor: pointer; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.track {
  position: relative; width: 46px; height: 26px; flex: 0 0 46px;
  border-radius: 999px; background: var(--bg-soft);
  border: 1px solid var(--line);
  transition: background .18s, border-color .18s;
}
.knob {
  position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--txt-faint);
  transition: transform .18s cubic-bezier(.4,0,.2,1), background .18s;
}
.switch input:checked + .track { background: var(--accent-soft); border-color: var(--accent-line); }
.switch input:checked + .track .knob { transform: translateX(20px); background: var(--accent); }
.switch input:focus-visible + .track { outline: 2px solid var(--accent); outline-offset: 2px; }
.switch-label { font-weight: 600; font-size: .95rem; }

/* ── Toolbar ──────────────────────────────────────── */
main { padding: 2rem 0 3rem; }

.toolbar { position: sticky; top: 0; z-index: 20; padding: .75rem 0 1rem; background: var(--bg); }

.search-row { position: relative; display: flex; align-items: center; }
.search-ico {
  position: absolute; left: 14px; width: 18px; height: 18px;
  fill: none; stroke: var(--txt-faint); stroke-width: 2; stroke-linecap: round;
  pointer-events: none;
}
#search {
  width: 100%;
  padding: .85rem 2.7rem .85rem 2.7rem;
  font: inherit; font-size: .98rem;
  color: var(--txt); background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
#search::placeholder { color: var(--txt-faint); }
#search:focus { outline: none; border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-soft); }
.clear-btn {
  position: absolute; right: 10px;
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-soft); color: var(--txt-dim);
  border: 1px solid var(--line); cursor: pointer; font-size: .8rem;
}
.clear-btn:hover { color: var(--txt); }

.chips { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .8rem; }
.chip {
  font: inherit; font-size: .84rem; cursor: pointer;
  padding: .38rem .8rem; border-radius: 999px;
  background: transparent; color: var(--txt-dim);
  border: 1px solid var(--line);
  white-space: nowrap;
  transition: color .15s, background .15s, border-color .15s;
}
.chip:hover { color: var(--txt); border-color: var(--txt-faint); }
.chip[aria-pressed="true"] {
  background: var(--accent-soft); color: var(--accent);
  border-color: var(--accent-line); font-weight: 600;
}
.chip .n { opacity: .6; font-variant-numeric: tabular-nums; margin-left: .3rem; }

.toolbar-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  margin-top: .7rem; flex-wrap: wrap;
}
.count { margin: 0; color: var(--txt-faint); font-size: .84rem; }
.mini-check { display: inline-flex; align-items: center; gap: .45rem; font-size: .84rem; color: var(--txt-dim); cursor: pointer; }
.mini-check input { accent-color: var(--accent); width: 15px; height: 15px; }

/* ── Grille ───────────────────────────────────────── */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: .9rem; }

.card {
  position: relative;
  display: flex; flex-direction: column; gap: .55rem;
  padding: 1.05rem 1.1rem 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .15s, background .15s, transform .15s;
}
.card:hover { background: var(--card-hover); border-color: var(--line-soft); }
.card.known { opacity: .62; }
.card.known .term::after {
  content: "✓";
  margin-left: .45rem; color: var(--ok); font-size: .85em;
}

.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: .6rem; }

.term { margin: 0; font-size: 1.02rem; font-weight: 650; letter-spacing: -.01em; line-height: 1.35; }

.cat-tag {
  flex: 0 0 auto;
  font-size: .68rem; text-transform: uppercase; letter-spacing: .07em;
  color: var(--txt-faint); border: 1px solid var(--line-soft);
  padding: .18rem .45rem; border-radius: 6px; white-space: nowrap;
}

.def { margin: 0; color: var(--txt-dim); font-size: .92rem; }
.def mark { background: var(--accent-soft); color: var(--accent); border-radius: 3px; padding: 0 2px; }

.long { margin: 0; color: var(--txt-dim); font-size: .88rem; }
.long[hidden] { display: none; }

.card-foot { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-top: auto; padding-top: .3rem; }

.more-btn {
  font: inherit; font-size: .82rem; cursor: pointer;
  background: none; border: none; padding: .2rem 0;
  color: var(--accent); opacity: .85;
}
.more-btn:hover { opacity: 1; text-decoration: underline; }

.known-btn {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .8rem; color: var(--txt-faint); cursor: pointer;
  padding: .22rem .5rem; border-radius: 7px;
  border: 1px solid transparent;
}
.known-btn:hover { border-color: var(--line); color: var(--txt-dim); }
.known-btn input { accent-color: var(--ok); width: 14px; height: 14px; cursor: pointer; }
.card.known .known-btn { color: var(--ok); }

.empty { text-align: center; color: var(--txt-faint); padding: 3rem 1rem; }

/* ── Roadmap ──────────────────────────────────────── */
.roadmap { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--line-soft); }
.roadmap h2 { margin: 0 0 .35rem; font-size: 1.25rem; letter-spacing: -.02em; }
.roadmap-intro { margin: 0 0 1.2rem; color: var(--txt-dim); font-size: .92rem; }

.roadmap-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.roadmap-list li {
  display: flex; align-items: flex-start; gap: .9rem;
  padding: .9rem 1rem; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.rm-ico { font-size: 1.15rem; line-height: 1.4; flex: 0 0 auto; }
.roadmap-list strong { display: block; font-size: .95rem; }
.roadmap-list span:not(.rm-ico):not(.rm-badge) { color: var(--txt-dim); font-size: .86rem; }
.rm-badge {
  margin-left: auto; flex: 0 0 auto;
  font-size: .66rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--txt-faint); border: 1px dashed var(--line);
  padding: .16rem .45rem; border-radius: 999px; white-space: nowrap;
}

/* ── Footer ───────────────────────────────────────── */
.foot { border-top: 1px solid var(--line-soft); padding: 1.6rem 0 2.4rem; color: var(--txt-faint); font-size: .82rem; }
.foot p { margin: 0; }
.foot-note { margin-top: .35rem !important; opacity: .75; }

/* ── Toast ────────────────────────────────────────── */
.toast {
  position: fixed; left: 50%; bottom: 1.4rem; transform: translate(-50%, 1.5rem);
  background: var(--card); color: var(--txt);
  border: 1px solid var(--line); border-radius: 999px;
  padding: .55rem 1.1rem; font-size: .85rem;
  box-shadow: var(--shadow);
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 50;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 640px) {
  .wrap { width: calc(100% - 1.6rem); }
  .hero { padding: 1.8rem 0 1.4rem; }
  .hero-stats { gap: 1.5rem; margin: 1.3rem 0 1.1rem; }
  .stat strong { font-size: 1.28rem; }
  .grid { grid-template-columns: 1fr; }
  .pref-card { align-items: flex-start; }
  .logo { width: 46px; height: 46px; flex-basis: 46px; font-size: 1.3rem; }
  .roadmap-list li { flex-wrap: wrap; }
  .rm-badge { margin-left: 0; }
  .chip { font-size: .78rem; padding: .3rem .62rem; }
  .chips { gap: .35rem; }
  .toolbar-foot { flex-direction: column; align-items: flex-start; gap: .35rem; }
  .card-foot { flex-wrap: wrap; gap: .4rem; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}