@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-500.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-600.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibm-plex-mono-400.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/ibm-plex-mono-500.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("fonts/ibm-plex-mono-600.woff2") format("woff2");
}

:root {
  --bg: #0c0d0a;
  --bg-2: #14160f;
  --card: #171910;
  --card-2: #1e2118;
  --line: #31352a;
  --text: #f4f1e6;
  --muted: #c8c4b4;
  --amber: #e4b15a;
  --amber-dim: #3a2e14;
  --green: #b7e3a2;
  --green-dim: #1b2a16;
  --red: #ffb4a8;
  --red-dim: #3a201c;
  --blue: #b7d4e2;
  --nav-h: calc(64px + env(safe-area-inset-bottom));
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { overflow-x: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
  min-height: 100vh;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
img, svg { max-width: 100%; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--amber);
  color: #1a1408;
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 8px; }

.loading, .fatal {
  padding: 32px 20px;
  max-width: 36rem;
}
.fatal h1 { font-size: 1.4rem; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 0.92rem; }
.tiny {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.shell { min-height: 100vh; padding-bottom: calc(132px + env(safe-area-inset-bottom)); }
.top {
  padding: 18px 16px 8px;
  display: grid;
  gap: 10px;
}
.brand {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}
.brand h1 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0;
}
.brand p { margin: 2px 0 0; font-size: 1.35rem; font-weight: 500; letter-spacing: -0.02em; }
.when { font-family: var(--mono); font-size: 0.82rem; color: var(--amber); }

.switchers { display: grid; gap: 8px; }
label.field { display: grid; gap: 4px; }
label.field span { font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
select, input[type="text"], input[type="date"], textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px 12px;
  min-height: 44px;
}
textarea { min-height: 72px; resize: vertical; line-height: 1.4; }
select:focus, input:focus, textarea:focus, button:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.banner {
  margin: 0 16px 12px;
  padding: 12px 14px;
  background: var(--amber-dim);
  border: 1px solid #6a5424;
  border-radius: 4px;
  display: grid;
  gap: 8px;
}
.banner strong { font-weight: 600; }
.banner.danger { background: var(--red-dim); border-color: #6a3830; }

main { padding: 4px 16px 28px; display: grid; gap: 14px; }
.section { display: grid; gap: 10px; }
.section h2 {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 8px 0 0;
  font-weight: 600;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  display: grid;
  gap: 8px;
}
.card h3 { margin: 0; font-size: 1.05rem; font-weight: 600; }
.card-toggle {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  min-height: 44px;
}
.card-toggle .row, .row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
  flex-wrap: wrap;
}
.chev { color: var(--muted); font-family: var(--mono); }

.hero-time {
  font-family: var(--mono);
  font-size: 2.6rem;
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin: 0;
}
.plate {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  background: #0d0e0b;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 10px;
}
.plate b {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.03em;
}
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.stat {
  background: var(--card-2);
  border-radius: 4px;
  padding: 8px;
  min-width: 0;
}
.stat b {
  display: block;
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 500;
}
.stat span { color: var(--muted); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; }

.kind, .pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 2px 8px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.kind-measurement { color: var(--blue); border-color: #35505c; }
.kind-projection { color: #e6d7a8; border-color: #5c5130; }
.kind-assumption { color: var(--amber); border-color: #6a5424; }
.kind-derived { color: #d5c6ea; border-color: #463d58; }
.pill-past { color: var(--muted); }
.pill-current { color: var(--amber); border-color: #6a5424; }
.pill-upcoming { color: var(--blue); border-color: #35505c; }
.pill-done, .pill-checked { color: var(--green); border-color: #345434; }
.pill-today { color: var(--amber); border-color: #6a5424; }

.delta { font-family: var(--mono); font-weight: 500; white-space: nowrap; }
.delta.faster { color: var(--green); }
.delta.slower { color: var(--red); }
.delta.even { color: var(--muted); }
.delta-word { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.04em; margin-left: 4px; }

.bar {
  height: 8px;
  background: #2a2d24;
  border-radius: 99px;
  overflow: hidden;
}
.bar i { display: block; height: 100%; background: var(--red); }
.bar i.gain { background: var(--green); }
.bar-row { display: grid; grid-template-columns: 52px 1fr auto; gap: 8px; align-items: center; font-family: var(--mono); font-size: 0.85rem; }

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  min-height: 44px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.check input { width: 22px; height: 22px; margin-top: 2px; accent-color: #c4923a; }
.marks, .hit, .kinds { display: flex; flex-wrap: wrap; gap: 6px; }
.marks button, .hit button, .kinds button, .chips button, .text-btn, .nav button, .primary, .ghost {
  min-height: 44px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 8px 10px;
}
.marks button { flex: 1; }
.marks button[aria-pressed="true"][data-mark="working"] { background: var(--amber-dim); border-color: var(--amber); }
.marks button[aria-pressed="true"][data-mark="improved"] { background: var(--green-dim); border-color: var(--green); }
.marks button[aria-pressed="true"][data-mark="still"] { background: var(--red-dim); border-color: var(--red); }
.hit button[aria-pressed="true"], .kinds button[aria-pressed="true"], .chips button[aria-pressed="true"] {
  border-color: var(--amber);
  background: var(--amber-dim);
}
.primary { background: var(--amber); color: #1a1408; border-color: var(--amber); font-weight: 600; }
.ghost, .text-btn { background: transparent; }
.text-btn { min-height: 44px; text-align: left; color: var(--amber); }
.danger-btn { color: var(--red); background: transparent; border: 1px solid #6a3830; min-height: 44px; border-radius: 4px; padding: 8px 10px; }

.note {
  border-top: 1px solid var(--line);
  padding-top: 8px;
  display: grid;
  gap: 4px;
}
.notes-feedback { border-left: 3px solid var(--amber); padding-left: 10px; }
.note-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  background: transparent;
  border: 0;
  padding: 0;
  text-align: left;
  min-height: 44px;
}
.note-meta { display: flex; justify-content: space-between; gap: 8px; align-items: center; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { min-height: 40px; }

.map-stage {
  position: relative;
  background: #10120c;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.map-stage svg { display: block; width: 100%; height: auto; }
.track-under { fill: none; stroke: #3c3624; stroke-width: 18; stroke-linecap: round; stroke-linejoin: round; }
.track-line { fill: none; stroke: #f0e7d2; stroke-width: 3.5; stroke-linecap: round; stroke-linejoin: round; }
.track-bridge { stroke: #8d7340; stroke-width: 6; stroke-linecap: round; }
.sf-label { fill: var(--amber); font-size: 11px; font-family: var(--mono); }

.pin, .corner-mark {
  position: absolute;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%);
  border: 0;
  background: transparent;
  padding: 0;
}
.pin i, .corner-mark i {
  display: block;
  width: 14px;
  height: 14px;
  margin: 15px auto 0;
  border-radius: 50%;
  border: 2px solid #0c0d0a;
}
.pin.brake i { background: #e07a6a; }
.pin.turnin i { background: #e4b15a; }
.pin.apex i { background: #f4f1e6; }
.pin.exit i { background: #7dcea0; }
.pin.limit i { background: #e08a3c; }
.pin.note i { background: #8eb8c9; }
.pin.selected i { box-shadow: 0 0 0 3px var(--amber); }
.corner-mark { width: auto; min-width: 44px; height: auto; min-height: 44px; display: flex; align-items: center; gap: 2px; transform: translate(0, -50%); }
.corner-mark.from-right { flex-direction: row-reverse; transform: translate(-100%, -50%); }
.corner-mark i { margin: 0; background: transparent; border: 2px solid var(--amber); width: 10px; height: 10px; flex: none; }
.corner-mark span { font-size: 11px; letter-spacing: 0.02em; text-shadow: 0 1px 2px #000; max-width: 7.2rem; text-align: left; }

.legend-row { display: flex; flex-wrap: wrap; gap: 6px 10px; }
.swatch { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 0.85rem; }
.swatch i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

.nav {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  background: #12140f;
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.nav button {
  flex: 1 0 33%;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding: 10px 2px;
}
.nav button[aria-current="page"] { color: var(--amber); box-shadow: inset 0 2px 0 var(--amber); }

.site-foot {
  padding: 8px 16px 20px;
  color: var(--muted);
  font-size: 0.85rem;
}

.callout {
  background: var(--bg);
  border-left: 3px solid var(--amber);
  padding: 8px 10px;
  color: var(--text);
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 6px;
  padding: 14px;
  color: var(--muted);
}

.stack { display: grid; gap: 8px; }
.form-grid { display: grid; gap: 10px; }
.checks-inline { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.checks-inline label { display: flex; gap: 8px; align-items: center; min-height: 44px; }

@media (min-width: 720px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .hero-time { font-size: 3.2rem; }
}
@media (min-width: 960px) {
  .shell {
    display: grid;
    grid-template-columns: 200px minmax(0, 760px);
    justify-content: center;
    column-gap: 8px;
    padding-bottom: 0;
    align-items: start;
  }
  .top { grid-column: 2; padding-top: 28px; }
  main { grid-column: 2; }
  .site-foot { grid-column: 2; }
  .banner { grid-column: 2; }
  .nav {
    position: sticky;
    top: 0;
    grid-column: 1;
    grid-row: 1 / span 4;
    height: 100vh;
    flex-direction: column;
    border-top: 0;
    border-right: 1px solid var(--line);
    padding: 18px 10px;
    gap: 4px;
  }
  .nav button { flex: none; text-align: left; font-size: 0.95rem; padding: 10px 12px; border-radius: 4px; }
  .nav button[aria-current="page"] { box-shadow: inset 3px 0 0 var(--amber); background: var(--amber-dim); }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}