:root {
  --bg: #f6f1ea;
  --surface: #fffdf9;
  --ink: #1f1a17;
  --muted: #6b625b;
  --line: #e6ddd2;
  --soft: #efe6da;
  --accent: #c8553d;
  --accent-ink: #ffffff;
  --accent-soft: #f6dcd3;
  --ai: #fffdf9;
  --user: #1f3a34;
  --user-ink: #f3efe8;
  --good: #2f7d5b;
  --mid: #b97a12;
  --low: #b8423a;
  --radius: 18px;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans: 'Manrope', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16130f;
    --surface: #211c17;
    --ink: #f1ebe3;
    --muted: #a59a8f;
    --line: #352d26;
    --soft: #2a241e;
    --accent: #e0745b;
    --accent-ink: #1a1410;
    --accent-soft: #3a2620;
    --ai: #241f1a;
    --user: #2f5a50;
    --user-ink: #f1ebe3;
    --good: #5cb88f;
    --mid: #e0a94a;
    --low: #e07065;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; cursor: pointer; }
button:disabled { cursor: default; }
[hidden] { display: none !important; }

#app {
  max-width: 560px;
  margin: 0 auto;
  min-height: 100%;
  padding: env(safe-area-inset-top, 0px) 0 env(safe-area-inset-bottom, 0px);
}

.view { display: none; }
.view.active { display: block; }

/* ---------- Home ---------- */
#home { padding: 20px 20px 48px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.01em; }
.logo {
  width: 28px; height: 28px; border-radius: 9px; background: var(--accent);
  position: relative;
}
.logo::after {
  content: ''; position: absolute; left: 7px; bottom: -5px; width: 10px; height: 10px;
  background: var(--accent); transform: skewX(-25deg); border-radius: 0 0 0 3px;
}
h1 {
  font-family: var(--serif); font-weight: 700; font-size: clamp(2rem, 8vw, 2.6rem);
  line-height: 1.08; letter-spacing: -0.02em; margin: 36px 0 10px;
}
.lede { color: var(--muted); margin: 0 0 28px; max-width: 34ch; }
.block { margin-top: 26px; }
.label {
  font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); margin: 0 0 10px;
}

.segmented {
  display: grid; grid-template-columns: repeat(3, 1fr); background: var(--soft);
  border-radius: 14px; padding: 4px; gap: 4px;
}
.segmented button {
  border: 0; background: transparent; padding: 10px 6px; border-radius: 10px;
  font-weight: 600; font-size: 0.92rem; color: var(--muted);
}
.segmented button[aria-checked='true'] {
  background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.cards { display: grid; gap: 10px; }
.card {
  width: 100%; display: flex; align-items: center; gap: 14px; text-align: left;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px; transition: transform 0.12s ease, border-color 0.12s ease;
}
.card:active { transform: scale(0.985); }
.card:hover { border-color: var(--accent); }
.card-icon {
  flex: none; width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.card-icon svg { width: 24px; height: 24px; }
.card-free .card-icon { background: var(--user); color: var(--user-ink); }
.card-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.card-title { font-weight: 700; }
.card-sub { color: var(--muted); font-size: 0.9rem; }
.chev { width: 9px; height: 9px; border-right: 2px solid var(--muted); border-top: 2px solid var(--muted); transform: rotate(45deg); flex: none; margin-right: 4px; }

.recent { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.recent li {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line);
  font-size: 0.92rem;
}
.recent small { color: var(--muted); display: block; }
.pill { font-weight: 700; padding: 3px 10px; border-radius: 999px; font-size: 0.85rem; }
.pill.good { background: color-mix(in srgb, var(--good) 16%, transparent); color: var(--good); }
.pill.mid { background: color-mix(in srgb, var(--mid) 18%, transparent); color: var(--mid); }
.pill.low { background: color-mix(in srgb, var(--low) 16%, transparent); color: var(--low); }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  display: grid; grid-template-columns: 44px 1fr 56px; align-items: center; gap: 8px;
  padding: 10px 12px; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-title { display: flex; flex-direction: column; align-items: center; line-height: 1.25; min-width: 0; }
.topbar-title strong { font-size: 1rem; }
.topbar-title span { font-size: 0.8rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 12px; border: 0; background: transparent;
  display: grid; place-items: center;
}
.icon-btn svg { width: 22px; height: 22px; }
.text-btn { border: 0; background: transparent; font-weight: 700; color: var(--accent); padding: 8px; }
.topbar-spacer { width: 56px; }

/* ---------- Talk ---------- */
#talk.active { display: flex; flex-direction: column; height: 100dvh; height: calc(100dvh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)); }
.chat { flex: 1; overflow-y: auto; padding: 18px 16px 12px; display: flex; flex-direction: column; gap: 10px; }
.bubble {
  max-width: 84%; padding: 11px 15px; border-radius: 20px; font-size: 1rem;
  animation: rise 0.25s ease both; position: relative;
}
.bubble.ai { align-self: flex-start; background: var(--ai); border: 1px solid var(--line); border-bottom-left-radius: 6px; padding-right: 44px; }
.bubble.user { align-self: flex-end; background: var(--user); color: var(--user-ink); border-bottom-right-radius: 6px; }
.replay {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border-radius: 50%; border: 0; background: var(--soft);
  display: grid; place-items: center; color: var(--muted);
}
.replay svg { width: 14px; height: 14px; }
.typing { align-self: flex-start; display: flex; gap: 5px; padding: 14px 16px; background: var(--ai); border: 1px solid var(--line); border-radius: 20px; border-bottom-left-radius: 6px; }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite both; }
.typing i:nth-child(2) { animation-delay: 0.2s; }
.typing i:nth-child(3) { animation-delay: 0.4s; }

.controls { padding: 8px 16px 16px; border-top: 1px solid var(--line); background: var(--bg); }
.status { min-height: 1.4em; margin: 2px 0 8px; text-align: center; font-size: 0.88rem; color: var(--muted); }
.mic-area { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; justify-items: center; row-gap: 6px; }
.side-btn {
  justify-self: start; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--surface); display: grid; place-items: center; color: var(--muted);
}
.side-btn svg { width: 20px; height: 20px; }
.side-btn[aria-pressed='true'] { color: var(--accent); border-color: var(--accent); }
.mic {
  grid-column: 2; width: 84px; height: 84px; border-radius: 50%; border: 0;
  background: var(--accent); color: var(--accent-ink); display: grid; place-items: center;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 35%, transparent);
  transition: transform 0.12s ease, opacity 0.2s ease;
}
.mic:active { transform: scale(0.96); }
.mic:disabled { opacity: 0.4; box-shadow: none; }
.mic svg { width: 32px; height: 32px; }
.mic.recording { animation: pulse 1.4s ease-out infinite; }
.mic.recording .mic-icon svg { display: none; }
.mic.recording .mic-icon::before { content: ''; display: block; width: 26px; height: 26px; border-radius: 6px; background: currentColor; }
.mic-label { grid-column: 1 / -1; font-size: 0.85rem; font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; }

.type-row { display: flex; gap: 8px; margin-top: 12px; }
.type-row input {
  flex: 1; min-width: 0; padding: 12px 16px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); color: var(--ink); font: inherit;
}
.type-row input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.send-btn { width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--user); color: var(--user-ink); display: grid; place-items: center; flex: none; }
.send-btn svg { width: 20px; height: 20px; }

.primary {
  width: 100%; border: 0; border-radius: 16px; padding: 15px; font-weight: 700; font-size: 1rem;
  background: var(--accent); color: var(--accent-ink);
}
.secondary {
  width: 100%; border: 1px solid var(--line); border-radius: 16px; padding: 14px; font-weight: 700;
  background: var(--surface);
}

/* ---------- Review ---------- */
.review-body { padding: 20px 20px 48px; }
.loading { text-align: center; padding: 80px 20px; color: var(--muted); }
.loading .typing { margin: 0 auto 16px; align-self: center; width: max-content; }
.hero { display: flex; align-items: center; gap: 20px; margin-bottom: 18px; }
.ring { position: relative; width: 112px; height: 112px; flex: none; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring .track { stroke: var(--soft); }
.ring .value { transition: stroke-dashoffset 1s ease; }
.ring-num { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--serif); font-size: 2.1rem; font-weight: 700; }
.hero p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.hero h2 { font-family: var(--serif); margin: 0 0 4px; font-size: 1.4rem; }

.bars { display: grid; gap: 12px; padding: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.bar-row { display: grid; grid-template-columns: 104px 1fr 34px; align-items: center; gap: 10px; font-size: 0.92rem; font-weight: 600; }
.bar { height: 8px; border-radius: 99px; background: var(--soft); overflow: hidden; }
.bar span { display: block; height: 100%; border-radius: 99px; width: 0; transition: width 0.9s ease; }
.bar-row b { text-align: right; font-variant-numeric: tabular-nums; }

.section { margin-top: 26px; }
.section h3 { font-family: var(--serif); font-size: 1.2rem; margin: 0 0 10px; }
.section ul.plain { margin: 0; padding-left: 20px; }
.section ul.plain li { margin-bottom: 6px; }
.mistake { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 10px; }
.tag { display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 2px 8px; border-radius: 6px; background: var(--soft); color: var(--muted); margin-bottom: 8px; }
.said { color: var(--low); text-decoration: line-through; text-decoration-thickness: 1.5px; margin: 0 0 4px; }
.better { display: flex; align-items: flex-start; gap: 8px; color: var(--good); font-weight: 600; margin: 0 0 6px; }
.better span { flex: 1; }
.why { color: var(--muted); font-size: 0.92rem; margin: 0; }
.mini-play { flex: none; width: 28px; height: 28px; border-radius: 50%; border: 0; background: var(--soft); display: grid; place-items: center; color: var(--ink); }
.mini-play svg { width: 12px; height: 12px; }
.phrase { display: flex; gap: 10px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--line); }
.phrase:last-child { border-bottom: 0; }
.phrase strong { display: block; }
.phrase small { color: var(--muted); font-size: 0.9rem; }
.empty-note { color: var(--muted); margin: 0; }
.actions { display: grid; gap: 10px; margin-top: 30px; }

@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes blink { 0%, 80%, 100% { opacity: 0.25; } 40% { opacity: 1; } }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent); }
  100% { box-shadow: 0 0 0 22px color-mix(in srgb, var(--accent) 0%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}