:root {
  --bg: #f4f5f7; --fg: #1c1d1f; --muted: #6a6f76; --card: #ffffff; --line: #d9dce1;
  --accent: #1f4e79; --accent-fg: #ffffff; --rec: #c62828; --ok: #2e7d32; --warn: #b26a00;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111214; --fg: #eceef1; --muted: #9aa0a8; --card: #1c1e21; --line: #33363b;
          --accent: #5b9bd5; --accent-fg: #0b0c0d; --rec: #ef5350; --ok: #66bb6a; --warn: #ffb74d; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  padding: env(safe-area-inset-top) 16px calc(env(safe-area-inset-bottom) + 16px);
}
header h1 { font-size: 1.3rem; margin: 12px 0 2px; }
header small { font-weight: 400; color: var(--muted); font-size: .8rem; }
h2 { font-size: 1.05rem; margin: 0 0 10px; }
.muted { color: var(--muted); font-size: .85rem; margin: 6px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin: 12px 0; }
button {
  font: inherit; border: 0; border-radius: 10px; padding: 12px 14px; margin: 4px 0;
  background: var(--accent); color: var(--accent-fg); width: 100%; min-height: 44px;
}
button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button:disabled { opacity: .5; }
input { font: inherit; width: 100%; padding: 12px; border-radius: 10px; border: 1px solid var(--line);
        background: var(--bg); color: var(--fg); margin: 4px 0; letter-spacing: .15em; }
.row { display: flex; gap: 8px; align-items: center; font-size: .9rem; margin-top: 6px; }
.row input { width: auto; margin: 0; }
.hold {
  min-height: 96px; font-size: 1.1rem; touch-action: none;
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
}
.hold.recording { background: var(--rec); }
.list { list-style: none; padding: 0; margin: 10px 0 0; }
.list li { border-top: 1px solid var(--line); padding: 8px 0; font-size: .9rem; }
.list li.highlight { outline: 2px solid var(--warn); outline-offset: 2px; border-radius: 6px; }
.list li .done { color: var(--ok); }
.list audio { width: 100%; margin-top: 6px; }
.list button { padding: 8px 10px; min-height: 36px; width: auto; margin-right: 6px; }
.log { list-style: none; padding: 0; margin: 0 0 10px; max-height: 40vh; overflow: auto;
       font: 12px/1.35 ui-monospace, Menlo, monospace; }
.log li { padding: 2px 0; border-bottom: 1px dotted var(--line); word-break: break-word; }
#login-msg.error, .error { color: var(--rec); }