:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --ink: #f1f5f9;
  --muted: #94a3b8;
  --accent: #2563eb;
  --ok: #16a34a;
  --warn: #f59e0b;
  --err: #dc2626;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.screen {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 720px;
  margin: 0 auto;
  padding: env(safe-area-inset-top) 16px env(safe-area-inset-bottom);
}

h1 { font-size: 1.4rem; margin: 2rem 0 1rem; }

/* ---- login ---- */
#login form { display: flex; flex-direction: column; gap: .5rem; }
label { font-size: .85rem; color: var(--muted); }
input[type=text], input[type=password] {
  padding: 14px;
  font-size: 17px; /* >=16px stops iOS zoom-on-focus */
  border-radius: var(--radius);
  border: 1px solid #334155;
  background: var(--panel);
  color: var(--ink);
}

/* ---- header ---- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  color: var(--muted);
  font-size: .9rem;
  border-bottom: 1px solid #1e293b;
}

/* ---- log ---- */
#log {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.line {
  padding: 10px 14px;
  border-radius: var(--radius);
  max-width: 85%;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.line.user { align-self: flex-end; background: var(--accent); }
.line.assistant { align-self: flex-start; background: var(--panel); }
.line.system { align-self: center; background: #14532d; font-size: .9rem; }
.line.error { align-self: center; background: #7f1d1d; font-size: .9rem; }

/* ---- confirmation ---- */
.confirm-card {
  border: 2px solid var(--warn);
  background: #27211a;
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
}
.confirm-title {
  margin: 0 0 6px;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--warn);
}
.confirm-summary { margin: 0 0 12px; font-size: 1.05rem; }
.confirm-actions { display: flex; gap: 10px; }
.confirm-actions button { flex: 1; }

/* ---- footer / controls ---- */
footer { padding: 10px 0 16px; border-top: 1px solid #1e293b; }

button {
  font: inherit;
  border: 0;
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--ink);
  background: #334155;
  cursor: pointer;
  min-height: 48px; /* thumb-sized target */
}
button.primary { background: var(--accent); }
button.secondary { background: #475569; }
button.link { background: none; color: var(--muted); padding: 4px; min-height: 0; }
button:disabled { opacity: .5; cursor: default; }

.mic {
  width: 100%;
  min-height: 96px;
  background: var(--ok);
  font-size: 1.15rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  touch-action: none; /* stop the long-press menu stealing the gesture */
  user-select: none;
}
.mic.live { background: var(--err); transform: scale(.99); }
.mic:disabled { background: #475569; }
.mic-icon {
  width: 22px; height: 22px; border-radius: 11px 11px 8px 8px;
  background: currentColor; display: block;
}

#text-form { display: flex; gap: 8px; margin-top: 10px; }
#text-form input { flex: 1; }
.send { flex: 0 0 auto; }

.status { margin: 8px 0 0; min-height: 1.2em; color: var(--muted); font-size: .9rem; }
.error { color: #fca5a5; }

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