:root {
  color-scheme: light;
  --bg: #efe8da; --card: #f8f4ec; --line: #ddd3c1; --grid: #e6ddcc;
  --ink: #2a2721; --ink-2: #5d574b; --ink-3: #8a8272; --accent: #a4532b;
  --bike: #4f8a3c; --run: #2e7fb0; --strength: #8a8272; --swim: #8a5aa8; --other: #9a9385;
  --z1: #9fb8c6; --z2: #5f9a6e; --z3: #d0a23a; --z4: #c8702e; --z5: #a8402a; --z6: #6e2418;
  --good: #3d7a3f; --good-bg: #e3edd7; --warn: #9a5f12; --warn-bg: #f6e6c8; --bad: #a83a28; --bad-bg: #f5ddd5;
  --band: rgba(79,138,60,.16); --m1: #2e7fb0;
  --ridge-1: #c9b99a; --ridge-2: #a8936d; --ridge-3: #7d6a4c; --sky: #e7dcc6;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #171914; --card: #1f211c; --line: #33362e; --grid: #2a2d26;
    --ink: #ece6d8; --ink-2: #bdb5a3; --ink-3: #8c8576; --accent: #d9875a;
    --bike: #6aa654; --run: #4b9ad0; --strength: #a29a8a; --swim: #9d7fd0; --other: #7a766c;
    --z1: #6f8a99; --z2: #5f9a6e; --z3: #c99a36; --z4: #d07a3a; --z5: #d0563c; --z6: #e88a74;
    --good: #8fcf7c; --good-bg: #24331f; --warn: #e8b465; --warn-bg: #3a2f1c; --bad: #ec8a74; --bad-bg: #3d2420;
    --band: rgba(106,166,84,.18); --m1: #4b9ad0;
    --ridge-1: #3a3a2e; --ridge-2: #2e2f25; --ridge-3: #24261e; --sky: #22241d;
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--ink); }
body { font: 15px/1.45 Inter, -apple-system, system-ui, "Segoe UI", sans-serif; min-height: 100vh; }
h1, h2, .big, .serif { font-family: Fraunces, Georgia, serif; }
button { font: inherit; color: inherit; }

header.top { position: relative; background: var(--sky); padding: calc(env(safe-area-inset-top) + 14px) 16px 0; overflow: hidden; }
header.top svg { position: absolute; left: 0; right: 0; bottom: 0; width: 100%; height: 70px; }
header.top .row { position: relative; display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 46px; }
header.top h1 { margin: 0; font-size: 26px; font-weight: 700; }
header.top .meta { font-size: 12px; color: var(--ink-2); }

main { padding: 0 16px calc(env(safe-area-inset-bottom) + 86px); margin-top: -18px; position: relative; display: flex; flex-direction: column; gap: 10px; max-width: 640px; margin-left: auto; margin-right: auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.lbl { font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.muted { color: var(--ink-3); font-size: 13px; }
.small { font-size: 12px; color: var(--ink-3); }
.big { font-size: 30px; font-weight: 700; line-height: 1.1; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.sec { font-size: 13px; font-weight: 600; color: var(--ink-2); margin: 8px 2px -2px; }

.verdict { text-align: center; padding: 16px; border: none; }
.verdict.rest { background: var(--bad-bg); color: var(--bad); }
.verdict.easy { background: var(--warn-bg); color: var(--warn); }
.verdict.hard { background: var(--good-bg); color: var(--good); }
.verdict .big { font-size: 34px; }
.factors { display: grid; gap: 6px; font-size: 14px; }
.factors .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.st-good { color: var(--good); } .st-warn { color: var(--warn); } .st-bad { color: var(--bad); }

.wk { border-left: 4px solid var(--other); border-radius: 0 14px 14px 0; cursor: pointer; }
.wk .t { font-weight: 600; font-size: 15px; }
.wk.bike { border-left-color: var(--bike); } .wk.run { border-left-color: var(--run); }
.wk.strength { border-left-color: var(--strength); } .wk.swim { border-left-color: var(--swim); }
.tag { display: inline-block; font-size: 11px; font-weight: 600; padding: 1px 8px; border-radius: 999px; background: var(--grid); color: var(--ink-2); }
.tag.key { background: var(--bad-bg); color: var(--bad); }
.done { font-size: 12px; color: var(--good); font-weight: 600; }
.prof { margin-top: 8px; }
.prof svg { display: block; width: 100%; }

.btn { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600; cursor: pointer; }
.btn.primary { background: var(--ink); color: var(--card); border-color: var(--ink); width: 100%; padding: 12px; font-size: 15px; border-radius: 12px; }
.btn.icon { padding: 5px 9px; line-height: 1; }
.btn:disabled { opacity: .55; }
.err { color: var(--bad); font-size: 13px; }

.switch { display: flex; align-items: center; justify-content: space-between; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 4px; }
.switch button { border: 0; background: transparent; padding: 6px 12px; font-size: 18px; cursor: pointer; color: var(--ink-2); }
.switch span { font-weight: 600; font-size: 14px; }

.fb { font-size: 14px; color: var(--ink-2); line-height: 1.5; margin-top: 8px; white-space: normal; }
.fb b { color: var(--ink); }
.fb.min { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 9px 10px; }
.stat b { display: block; font-family: Fraunces, Georgia, serif; font-size: 20px; line-height: 1.2; }
.stat span { font-size: 11px; color: var(--ink-3); }
.hbar { display: grid; grid-template-columns: 28px 1fr 64px; gap: 8px; align-items: center; margin-top: 8px; font-size: 13px; }
.hbar .e { font-size: 20px; }
.hbar .track { height: 14px; background: var(--grid); border-radius: 4px; overflow: hidden; }
.hbar .fill { height: 100%; border-radius: 4px; }
.hbar .v { text-align: right; font-variant-numeric: tabular-nums; }

textarea, input[type=date] { width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
textarea { min-height: 70px; resize: vertical; }
.goal { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.goal.past { opacity: .55; }
.goal .x { border: 0; background: transparent; color: var(--ink-3); font-size: 18px; cursor: pointer; padding: 4px 6px; }

nav.tabs { position: fixed; left: 0; right: 0; bottom: 0; background: var(--card); border-top: 1px solid var(--line); display: flex; padding: 6px 4px calc(env(safe-area-inset-bottom) + 6px); z-index: 5; }
nav.tabs button { flex: 1; border: 0; background: transparent; display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 10.5px; color: var(--ink-3); cursor: pointer; padding: 4px 0; }
nav.tabs button svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
nav.tabs button.on { color: var(--ink); font-weight: 600; }

.sheet-bg { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 10; display: flex; align-items: flex-end; }
.sheet { background: var(--card); width: 100%; max-width: 640px; margin: 0 auto; border-radius: 20px 20px 0 0; padding: 12px 16px calc(env(safe-area-inset-bottom) + 18px); display: flex; flex-direction: column; gap: 12px; }
.sheet .grab { width: 38px; height: 4px; border-radius: 2px; background: var(--line); margin: 0 auto; }
.faces { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.faces button, .rpe button { border: 1px solid var(--line); background: var(--bg); border-radius: 12px; padding: 8px 4px; cursor: pointer; }
.faces button { font-size: 30px; line-height: 1.1; }
.faces button small { display: block; font-size: 12px; color: var(--ink-3); }
.faces button.on { border: 2px solid var(--good); background: var(--good-bg); }
.rpe { display: grid; gap: 6px; }
.rpe button { display: flex; gap: 10px; align-items: center; text-align: left; font-size: 14px; padding: 9px 10px; }
.rpe button b { font-family: Fraunces, Georgia, serif; font-size: 18px; width: 18px; text-align: center; }
.rpe button.on { border: 2px solid var(--accent); background: var(--warn-bg); }

.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: s 0.8s linear infinite; vertical-align: -2px; margin-right: 6px; }
@keyframes s { to { transform: rotate(360deg); } }
.empty { text-align: center; color: var(--ink-3); padding: 18px 8px; font-size: 14px; }