:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1c1c1e;
  --muted: #6b6b70;
  --border: #e3e3e0;
  --accent: #2f5bea;
  --accent-text: #ffffff;
  --record: #e5383b;
  --record-ring: rgba(229, 56, 59, 0.25);
  --tag-bg: #eef1fd;
  --tag-text: #2a46b5;
  --due-bg: #fff3e0;
  --due-text: #9a5300;
  --error-bg: #fdecec;
  --error-text: #a31b1b;
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --surface: #1c1c1f;
    --text: #ececef;
    --muted: #9a9aa2;
    --border: #2e2e33;
    --accent: #7c9bff;
    --accent-text: #0d1330;
    --record: #ff5a5f;
    --record-ring: rgba(255, 90, 95, 0.25);
    --tag-bg: #232a45;
    --tag-text: #b5c5ff;
    --due-bg: #3a2a12;
    --due-text: #ffc477;
    --error-bg: #3a1618;
    --error-text: #ffb3b3;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.app {
  max-width: 40rem;
  margin: 0 auto;
  padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right))
           max(2rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
}

.app-header h1 {
  font-size: 1.25rem;
  margin: 0.5rem 0 1rem;
  font-weight: 650;
}

.muted { color: var(--muted); }

/* ---------- Recorder ---------- */

.recorder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 0 1.5rem;
}

.record-btn {
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  border: 0;
  background: var(--record);
  box-shadow: 0 0 0 0.6rem var(--record-ring);
  cursor: pointer;
  display: grid;
  place-items: center;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.1s ease;
}
.record-btn:active { transform: scale(0.96); }
.record-btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 0.9rem; }
.record-btn:disabled { opacity: 0.4; cursor: default; }

/* Idle: white dot (record). Recording: white square (stop). */
.record-btn__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: #fff;
  transition: border-radius 0.15s ease, width 0.15s ease, height 0.15s ease;
}
.is-recording .record-btn__icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.4rem;
}
.is-recording .record-btn { animation: pulse 1.6s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0.6rem var(--record-ring); }
  50% { box-shadow: 0 0 0 1.1rem var(--record-ring); }
}

.recorder__status { margin: 0; font-size: 1.1rem; font-weight: 600; }
.recorder__timer { margin: 0; font-size: 1.75rem; font-variant-numeric: tabular-nums; font-weight: 600; }
.recorder__timer .muted { font-size: 1rem; font-weight: 400; }

.spinner {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .is-recording .record-btn, .spinner { animation-duration: 3s; }
}

/* ---------- Buttons ---------- */

.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.btn {
  font: inherit;
  font-weight: 600;
  padding: 0.7rem 1.1rem;
  min-height: 2.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- Error ---------- */

.error {
  background: var(--error-bg);
  color: var(--error-text);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}
.error__message { margin: 0 0 0.75rem; white-space: pre-wrap; overflow-wrap: anywhere; }

/* ---------- Result ---------- */

.result > .actions { margin-bottom: 1rem; }

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin-bottom: 0.9rem;
}
.section h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0.5rem;
}
.section p { margin: 0; }

.items { list-style: none; margin: 0; padding: 0; }
.items li {
  padding: 0.55rem 0;
  border-top: 1px solid var(--border);
  overflow-wrap: anywhere;
}
.items li:first-child { border-top: 0; padding-top: 0.15rem; }

.tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  margin-left: 0.4rem;
  vertical-align: 0.1em;
  white-space: nowrap;
  background: var(--tag-bg);
  color: var(--tag-text);
}
.tag--due { background: var(--due-bg); color: var(--due-text); }

.empty { color: var(--muted); font-style: italic; }

.transcript {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
}
.transcript summary { cursor: pointer; font-weight: 600; }
.transcript p { margin: 0.75rem 0 0; white-space: pre-wrap; color: var(--muted); }