:root {
  --bg: #0f0f10; --card: #1e1f22; --card2: #2a2b2f; --text: #e8eaed; --muted: #9aa0a6;
  --accent: #ff4b4b; --accent-dark: #c62828; --ok: #34a853; --warn: #fbbc04;
  --sp0: #8ab4f8; --sp1: #f28b82; --sp2: #81c995; --sp3: #fdd663; --sp4: #c58af9; --sp5: #78d9ec; --sp6: #ffa64d; --sp7: #ff8bcb;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 Roboto, system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
#app { max-width: 720px; margin: 0 auto; min-height: 100dvh; }
.screen { padding: max(12px, env(safe-area-inset-top)) 16px 96px; }
h1 { font-size: 22px; font-weight: 500; margin: 0; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 0 12px; }
.top h1 { flex: 1; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top > span { width: 40px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.small { font-size: 13px; }
.error { color: var(--accent); }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; -webkit-tap-highlight-color: transparent; }
button.icon { width: 40px; height: 40px; border-radius: 50%; font-size: 28px; line-height: 1; display: grid; place-items: center; }
button.icon:active { background: var(--card2); }
button.primary { width: 100%; padding: 14px; border-radius: 24px; background: var(--accent); color: #fff; font-weight: 500; }
button.primary:disabled { opacity: .6; }
input { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid #3c3d41; background: var(--card); color: var(--text); font: inherit; outline: none; }
input:focus { border-color: var(--sp0); }
label { display: block; color: var(--muted); font-size: 13px; margin: 14px 0 6px; }
label input { margin-top: 6px; }
/* login */
.login { display: flex; flex-direction: column; justify-content: center; min-height: 100dvh; padding-bottom: 40px; }
.login h1 { text-align: center; font-size: 28px; margin-top: 8px; }
.login p { text-align: center; }
.login form { margin-top: 16px; }
.logo { width: 72px; height: 72px; margin: 0 auto; border-radius: 20px; background: var(--card); display: grid; place-items: center; }
.logo .dot { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--bg), 0 0 0 8px var(--accent); }
/* list */
.search input { border-radius: 28px; background: var(--card); border-color: transparent; padding-left: 20px; }
.cards { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.card { background: var(--card); border-radius: 18px; padding: 14px 16px; cursor: pointer; }
.card:active { background: var(--card2); }
.card .t { font-size: 17px; font-weight: 500; margin-bottom: 4px; display: flex; justify-content: space-between; gap: 10px; }
.card .t .dur { color: var(--muted); font-weight: 400; font-variant-numeric: tabular-nums; flex-shrink: 0; }
.card .m { color: var(--muted); font-size: 13px; display: flex; gap: 10px; align-items: center; }
.chip { display: inline-block; padding: 2px 9px; border-radius: 10px; font-size: 12px; background: var(--card2); color: var(--text); }
.chip.busy { background: #3b3306; color: var(--warn); }
.chip.fail { background: #3b1414; color: var(--accent); }
.chip.ok { display: none; }
.bars { display: inline-flex; gap: 2px; align-items: flex-end; height: 14px; }
.bars i { width: 2px; background: var(--muted); border-radius: 1px; }
.banner { background: var(--card2); border-radius: 14px; padding: 12px 14px; margin: 12px 0; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.banner .grow { flex: 1 1 200px; }
.banner button { padding: 8px 14px; border-radius: 16px; background: var(--card); }
.banner button.danger { color: var(--accent); }
.fab { position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); transform: translateX(-50%); width: 72px; height: 72px; border-radius: 50%; background: var(--card); display: grid; place-items: center; box-shadow: 0 6px 20px rgba(0,0,0,.5); }
.fab span { width: 30px; height: 30px; border-radius: 50%; background: var(--accent); }
.fab:active span { transform: scale(.9); }
/* record */
.title-field { margin-top: 4px; }
.timer { font-size: 56px; font-weight: 300; text-align: center; margin: 28px 0 8px; font-variant-numeric: tabular-nums; letter-spacing: 1px; }
#rec-wave { width: 100%; height: 80px; display: block; margin: 8px 0 16px; }
.controls { display: flex; justify-content: center; align-items: center; gap: 28px; margin: 24px 0 8px; }
.round { width: 64px; height: 64px; border-radius: 50%; background: var(--card); display: grid; place-items: center; font-size: 20px; }
.round.record { width: 84px; height: 84px; }
.round.record span { width: 36px; height: 36px; border-radius: 50%; background: var(--accent); transition: border-radius .2s, transform .2s; }
.round.record.active span { border-radius: 8px; transform: scale(.75); }
.round.record.active { box-shadow: 0 0 0 4px var(--accent-dark); }
/* detail */
.detail audio { width: 100%; margin: 10px 0 4px; border-radius: 24px; }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid #2f3034; margin: 10px 0 12px; }
.tab { padding: 10px 14px; color: var(--muted); border-bottom: 2px solid transparent; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.para { display: grid; grid-template-columns: 52px 1fr; gap: 10px; padding: 8px 0; cursor: pointer; }
.para:active { background: var(--card); }
.para .ts { color: var(--muted); font-size: 12px; padding-top: 4px; font-variant-numeric: tabular-nums; }
.para .who { font-size: 12px; font-weight: 500; margin-bottom: 2px; }
.para .txt { color: var(--text); }
.para.active .txt { color: #fff; }
.summary { line-height: 1.55; }
.summary h1, .summary h2, .summary h3 { font-size: 17px; margin: 18px 0 6px; font-weight: 500; }
.summary ul, .summary ol { padding-left: 20px; margin: 6px 0; }
.summary p { margin: 8px 0; }
.summary hr { border: 0; border-top: 1px solid #2f3034; margin: 14px 0; }