:root {
  --bg: #f5f6f3;
  --surface: #ffffff;
  --surface-2: #eceeea;
  --text: #1a1d1b;
  --muted: #666b67;
  --line: #dfe2dd;
  --accent: #0f7a66;
  --accent-text: #ffffff;
  --accent-weak: #dff1ec;
  --ok: #1f7a4d;
  --ok-weak: #e2f1e8;
  --bad: #b42318;
  --bad-weak: #fbe8e6;
  --warn: #8a5a00;
  --warn-weak: #fbf0d4;
  --radius: 12px;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 1px 1px rgb(0 0 0 / 0.03);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131614;
    --surface: #1c201d;
    --surface-2: #262b27;
    --text: #e9ece8;
    --muted: #9da39e;
    --line: #313732;
    --accent: #3cc3a4;
    --accent-text: #06201a;
    --accent-weak: #173029;
    --ok: #5ccf96;
    --ok-weak: #17301f;
    --bad: #f97a70;
    --bad-weak: #3a1816;
    --warn: #f2c35b;
    --warn-weak: #332a12;
    --shadow: none;
    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 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2 { margin: 0; line-height: 1.2; }
h1 { font-size: 1.75rem; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 10px max(16px, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; text-decoration: none; font-size: 1.05rem; }
.nav { display: flex; gap: 2px; margin-left: auto; }
.nav a { padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--muted); font-size: 0.92rem; }
.nav a:hover { color: var(--text); background: var(--surface-2); }
.nav a.active { color: var(--text); background: var(--surface); box-shadow: var(--shadow); font-weight: 550; }
body.session-mode .top { display: none; }

.main { max-width: 680px; margin: 0 auto; padding: 24px 16px 96px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.head-meta { color: var(--muted); font-variant-numeric: tabular-nums; }
.eyebrow { display: inline-block; color: var(--muted); font-size: 0.85rem; margin-bottom: 4px; text-decoration: none; }
.muted { color: var(--muted); }
.sub { color: var(--muted); font-size: 0.92rem; }
.loading { animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.45; } }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow); margin-bottom: 16px;
}
.card > h2 { margin-bottom: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 20px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text);
  font: inherit; font-weight: 550; text-decoration: none; cursor: pointer;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.on { background: var(--warn-weak); color: var(--warn); border-color: transparent; }
.btn.big { min-height: 64px; font-size: 1.15rem; min-width: 220px; border-radius: 999px; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.actions.sticky {
  position: sticky; bottom: 0; padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg) 70%, transparent);
}
.actions.sticky .btn { flex: 1; }
.row { display: flex; gap: 8px; align-items: center; margin-top: 12px; }
.row .input { flex: 1; min-width: 0; }
.input {
  width: 100%; min-height: 44px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--surface); color: var(--text); font: inherit;
}
.input.area { padding: 12px 14px; min-height: 110px; resize: vertical; line-height: 1.45; }
select.input { appearance: auto; }
.field { display: block; margin-top: 12px; }
.field:first-of-type { margin-top: 0; }
.field-label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; }
.msg { font-size: 0.9rem; margin-top: 8px; min-height: 1.2em; }
.msg:empty { display: none; }
.msg.ok { color: var(--ok); }
.msg.bad { color: var(--bad); }
.link { display: inline-block; margin-top: 10px; color: var(--accent); font-size: 0.92rem; text-decoration: none; }
.key-form .row { margin-top: 0; }

/* Segmented */
.segmented { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 3px; border-radius: 10px; background: var(--surface-2); }
.segmented button {
  border: 0; background: none; font: inherit; font-size: 0.95rem; color: var(--muted);
  min-width: 48px; padding: 8px 12px; border-radius: 8px; cursor: pointer;
}
.segmented button.on { background: var(--surface); color: var(--text); box-shadow: var(--shadow); font-weight: 600; }

/* Today */
.activity-title { font-size: 1.6rem; font-weight: 650; letter-spacing: -0.01em; line-height: 1.2; }
.topics { display: grid; gap: 8px; }
.topic {
  display: flex; flex-direction: column; gap: 2px; text-align: left;
  padding: 14px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg); color: var(--text); font: inherit; cursor: pointer;
}
.topic:hover { border-color: var(--accent); }
.topic-interest { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent); font-weight: 600; }
.topic-title { font-weight: 600; font-size: 1.05rem; }
.topic-hook { color: var(--muted); font-size: 0.9rem; }
.recent { margin-top: 24px; }
.recent h2 { margin-bottom: 10px; }

/* Lists */
.list { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.card .list { border: 0; border-radius: 0; margin-top: 8px; }
.list li + li { border-top: 1px solid var(--line); }
.list a, .theme-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; text-decoration: none; }
.card .theme-row { padding: 10px 0; }
.list a:hover { background: var(--surface-2); }
.list-main { font-weight: 550; flex: 1; min-width: 0; }
.list .muted { font-size: 0.88rem; white-space: nowrap; }
.tag { font-size: 0.72rem; padding: 2px 8px; border-radius: 999px; background: var(--accent-weak); color: var(--accent); font-weight: 600; vertical-align: 2px; }
.state { font-size: 0.8rem; color: var(--muted); white-space: nowrap; }
.state.due { color: var(--accent); font-weight: 600; }
.state.resting { color: var(--warn); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 2px; padding: 4px 6px 4px 12px; border-radius: 999px; background: var(--surface-2); font-size: 0.92rem; }
.x {
  border: 0; background: none; color: var(--muted); font: inherit; font-size: 1.1rem; line-height: 1;
  width: 28px; height: 28px; border-radius: 999px; cursor: pointer;
}
.x:hover { background: var(--bad-weak); color: var(--bad); }

/* Session */
.session { max-width: 600px; margin: 0 auto; min-height: calc(100vh - 48px); display: flex; flex-direction: column; }
.session-head { margin-bottom: 16px; }
.start-card { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 40px 20px; }
.live-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.status-line { display: flex; align-items: center; gap: 8px; font-weight: 550; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.dot.connecting { background: var(--warn); animation: pulse 1s infinite; }
.dot.listening { background: var(--ok); }
.dot.speaking { background: var(--accent); animation: pulse 0.8s infinite; }
.timer { font-variant-numeric: tabular-nums; color: var(--muted); }
.transcript {
  flex: 1; min-height: 240px; max-height: 60vh; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px;
}
.transcript.static { max-height: none; border: 0; padding: 0; background: none; }
.turn { margin: 0 0 12px; max-width: 85%; padding: 8px 12px; border-radius: 12px; line-height: 1.45; }
.turn.model { background: var(--surface-2); }
.turn.user { margin-left: auto; background: var(--accent-weak); }

/* Summary */
.summary h2 { margin: 18px 0 8px; }
.summary-text { margin: 0; font-size: 1.02rem; }
.plain { margin: 0; padding-left: 20px; }
.plain li { margin: 4px 0; }
.pairs { width: 100%; border-collapse: collapse; }
.pairs td { padding: 6px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.pairs td:first-child { font-weight: 550; padding-right: 12px; }
.fixes { list-style: none; margin: 0; padding: 0; }
.fixes li { display: flex; flex-direction: column; padding: 8px 0; border-bottom: 1px solid var(--line); }
.fixes s { color: var(--muted); }
.transcript-card summary { cursor: pointer; font-weight: 600; }
.transcript-card[open] summary { margin-bottom: 12px; }

@media (max-width: 480px) {
  .top { gap: 8px; }
  .nav a { padding: 6px 7px; font-size: 0.88rem; }
  h1 { font-size: 1.5rem; }
  .activity-title { font-size: 1.4rem; }
}