:root {
  color-scheme: dark;
  --bg: #10181c;
  --surface: #182429;
  --line: #34464a;
  --ink: #eff5ec;
  --muted: #b1c1b8;
  --accent: #bbefb4;
  --shadow: #0a1012;
  font: 16px/1.5 system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; color: var(--ink); background: var(--bg); }
.frame { max-width: 62rem; margin: auto; padding: 0 2.4rem 4rem; }
.masthead { min-height: 5.2rem; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .8rem; color: var(--ink); text-decoration: none; font: 600 .81rem/1.2 ui-monospace, monospace; letter-spacing: .13em; }
.brand strong, .kicker { color: var(--accent); }
.emblem { width: 2.15rem; height: 1.65rem; border: 2px solid var(--accent); border-radius: .45rem; display: flex; align-items: center; justify-content: center; gap: .33rem; }
.emblem i { width: .25rem; height: .35rem; border-radius: 50%; background: var(--accent); }
.hero, .sign-in { margin-top: 3rem; }
.kicker { margin: 0 0 .48rem; font: 600 .72rem/1.5 ui-monospace, monospace; letter-spacing: .16em; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .55rem; font-size: clamp(2.2rem, 7vw, 4.35rem); line-height: 1.08; font-weight: 650; letter-spacing: -.055em; }
h2 { margin: 0; font-size: clamp(1.5rem, 5vw, 2.15rem); line-height: 1.15; letter-spacing: -.036em; }
.intro, .card > p { color: var(--muted); }
.tabs { display: flex; flex-wrap: wrap; gap: .55rem; margin: 2rem 0 .85rem; }
button { font: inherit; font-weight: 640; cursor: pointer; border: 1px solid var(--line); border-radius: .45rem; padding: .65rem .95rem; color: var(--ink); background: transparent; }
button:hover { border-color: var(--accent); }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
button:disabled { opacity: .55; cursor: wait; }
.tabs button { flex: 1; min-width: 7rem; text-align: left; }
.tabs button span { color: var(--muted); margin-right: .36rem; font: .72rem ui-monospace, monospace; }
.tabs button[aria-pressed="true"] { background: var(--surface); border-color: var(--accent); }
.tabs button[aria-pressed="true"] span { color: var(--accent); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: .8rem; padding: clamp(1.1rem, 4vw, 2rem); }
.app-panel { min-height: 15rem; }
.panel-heading { display: flex; justify-content: space-between; align-items: start; gap: .8rem; margin-bottom: .85rem; }
.voice-name { color: var(--accent); border: 1px solid var(--line); border-radius: 2rem; padding: .24rem .7rem; font-size: .83rem; }
.primary { background: var(--accent); color: #13221b; border-color: var(--accent); }
.primary:hover { background: #daf7d4; }
.quiet:hover { background: #223438; }
.controls { display: flex; flex-wrap: wrap; gap: .55rem; }
.status { color: var(--muted); font-size: .9rem; min-height: 1.3rem; margin: .7rem 0 0; }
.status.error { color: #ffd0bf; }
.form { max-width: 31rem; display: grid; gap: 1rem; margin-top: 1.75rem; }
.form label { display: grid; gap: .4rem; }
.form button { justify-self: start; }
.form .status { margin: 0; }
input, textarea { width: 100%; padding: .65rem; background: var(--shadow); color: var(--ink); border: 1px solid var(--line); border-radius: .4rem; font: inherit; }
textarea { resize: vertical; }
.composer { display: flex; gap: .55rem; align-items: start; margin-top: 1rem; }
.messages { display: grid; gap: .6rem; max-height: 27rem; overflow: auto; overflow-wrap: anywhere; }
.message { padding: .55rem .75rem; background: var(--shadow); border-radius: .4rem; margin: 0; }
.message strong { display: block; color: var(--accent); font-size: .75rem; margin-bottom: .2rem; }
.journal { overflow-wrap: anywhere; max-height: 67vh; overflow: auto; }
.journal h3 { margin: 1.45rem 0 .45rem; font-size: 1.1rem; color: var(--accent); }
.journal p { margin: 0 0 .45rem; }
.journal .entry { border-top: 1px solid var(--line); padding-top: .7rem; margin-top: .95rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
@media (max-width: 36rem) {
  .frame { padding: 0 .9rem 2rem; }
  .masthead { min-height: 4.1rem; }
  .hero, .sign-in { margin-top: 2.05rem; }
  .tabs { gap: .35rem; }
  .tabs button { min-width: 0; padding: .55rem .45rem; text-align: center; font-size: .9rem; }
  .tabs button span { margin-right: .17rem; }
}