:root {
  --bg: #f5f4f0;
  --surface: #ffffff;
  --text: #1d1c1a;
  --muted: #6b6862;
  --line: #e2dfd8;
  --accent: #3a6df0;
  --accent-text: #ffffff;
  --ok: #1f7a4d;
  --error: #b42318;
  --code-bg: #efede7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161614;
    --surface: #201f1c;
    --text: #ecebe7;
    --muted: #a19e97;
    --line: #34322e;
    --accent: #6d93ff;
    --accent-text: #0c0c0b;
    --ok: #56c48c;
    --error: #ff8a7f;
    --code-bg: #2b2a26;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.top {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 960px; margin: 0 auto; padding: 20px 16px;
}
.brand { font-weight: 650; display: flex; align-items: center; gap: 10px; }
.logo {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-text); font-weight: 800;
}
.demo { font-size: 12px; color: var(--muted); border: 1px solid var(--line); border-radius: 99px; padding: 2px 10px; }

main { max-width: 960px; margin: 0 auto; padding: 0 16px 48px; }
.hero { margin: 12px 0 28px; }
.hero h1 { font-size: clamp(24px, 4vw, 34px); line-height: 1.2; margin: 0 0 10px; letter-spacing: -0.01em; }
.hero p { color: var(--muted); max-width: 640px; margin: 0; }

.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin-bottom: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card.narrow { max-width: 520px; margin: 0 auto; }
.card h2 { margin: 0 0 14px; font-size: 19px; }
.card h3 { margin: 0 0 10px; font-size: 16px; }
.card h4 { margin: 18px 0 6px; font-size: 13px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
input {
  display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 9px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label.file input { padding: 8px; }

button {
  font: inherit; cursor: pointer; border-radius: 9px; padding: 9px 16px;
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
}
button:disabled { opacity: .55; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.link { border: 0; background: none; padding: 0; color: var(--accent); }
button.link.danger { color: var(--error); }
.back { margin-bottom: 12px; }

.choices { display: grid; gap: 10px; }
.choice { text-align: left; display: grid; gap: 2px; padding: 14px 16px; }
.choice span { color: var(--muted); font-size: 13px; }
.choice:hover { border-color: var(--accent); }

.muted { color: var(--muted); }
.hint { font-size: 12.5px; color: var(--muted); margin: -6px 0 12px; }
.error { color: var(--error); min-height: 0; margin: 10px 0 0; }
.ok { color: var(--ok); margin: 10px 0; }
.error:empty, .ok:empty { display: none; }
code, .mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12.5px; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 5px; overflow-wrap: anywhere; }
.mono { overflow-wrap: anywhere; margin: 2px 0 0; }

.code { font: 700 28px/1.2 ui-monospace, Menlo, monospace; letter-spacing: .12em; margin: 4px 0 12px; }
.ms a { color: var(--accent); }
.dev { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row input { flex: 1 1 140px; margin: 0; }

.profile { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.profile > div:nth-child(2) { flex: 1; min-width: 200px; }
.profile h2 { margin: 0; }
.profile p { margin: 2px 0 0; font-size: 13px; }
.avatar {
  width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-text); font-size: 24px; font-weight: 750;
}
.tokens { list-style: none; padding: 0; margin: 0; font-size: 13px; }
.tokens li { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-top: 1px solid var(--line); }
.tokens li:first-child { border-top: 0; }

/* « Se connecter avec Janus » */
.connect .profile { display: flex; gap: 14px; align-items: center; margin: 14px 0; }
.connect .row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.connect-banner { background: #1f3a5f; color: #dbeafe; padding: 10px 14px; border-radius: 8px; margin: 0 0 16px; }