/* Haz. — Winter Arc
   Palette (brand book §03): Tannin #241A14 · Cacao #5C4033 · Rolex #006039 (rationed) · Sand #DDD1BC · Chalk #F4EFE6 · White #FFFFFF
   Rules: never green on brown; the accent appears once per surface. */

:root {
  --tannin: #241A14;
  --tannin-2: #2C2119;   /* card */
  --tannin-3: #3A2C22;   /* border / pressed */
  --cacao: #5C4033;
  --rolex: #006039;
  --rolex-deep: #004D2E;
  --sand: #DDD1BC;
  --sand-60: rgba(221, 209, 188, 0.6);
  --sand-35: rgba(221, 209, 188, 0.35);
  --sand-15: rgba(221, 209, 188, 0.15);
  --chalk: #F4EFE6;
  --white: #FFFFFF;

  --display: 'Archivo Black', 'Archivo', Impact, 'Arial Black', sans-serif;
  --body: 'Archivo', -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, Consolas, monospace;

  --r: 14px;
  --gap: 14px;
  --nav-h: 64px;
  --tap: 52px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
html { background: var(--tannin); color-scheme: dark; }
body {
  margin: 0;
  background: var(--tannin);
  color: var(--chalk);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
  user-select: none;
}
input, textarea, select, button { font-family: inherit; font-size: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }

#app { min-height: 100dvh; display: flex; flex-direction: column; }

/* ---------- Type ---------- */
.mono {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--sand-60);
}
.mono.strong { color: var(--sand); }
.display {
  font-family: var(--display);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.98;
  margin: 0;
}
h1.display { font-size: 32px; }
h2.display { font-size: 22px; }
h3.display { font-size: 17px; letter-spacing: -0.02em; }
.num {
  font-family: var(--display);
  letter-spacing: -0.03em;
  line-height: 1;
}
.muted { color: var(--sand-60); }
.sand { color: var(--sand); }
p { margin: 0 0 10px; }
.small { font-size: 14px; }

/* ---------- Header ---------- */
.top {
  padding: calc(12px + var(--safe-t)) 18px 8px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.mark {
  font-family: var(--display);
  font-size: 30px;
  letter-spacing: -0.04em;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
}
.mark .dot {
  display: inline-block;
  width: 0.28em; height: 0.28em;
  background: var(--rolex);
  margin-left: 0.04em;
}
.top-line { text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- Layout ---------- */
.view {
  flex: 1;
  padding: 6px 18px calc(var(--nav-h) + var(--safe-b) + 90px);
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}
.section-title { display: flex; align-items: baseline; justify-content: space-between; margin-top: 8px; }
.card {
  background: var(--tannin-2);
  border: 1px solid var(--tannin-3);
  border-radius: var(--r);
  padding: 16px;
}
.card.flat { background: transparent; }
.card.green { background: var(--rolex); border-color: var(--rolex); color: var(--chalk); }
.card.green .mono { color: rgba(244, 239, 230, 0.7); }
.card.sand { background: var(--sand); color: var(--tannin); border-color: var(--sand); }
.card.sand .mono { color: rgba(36, 26, 20, 0.6); }
.row { display: flex; align-items: center; gap: 12px; }
.row.between { justify-content: space-between; }
.row.wrap { flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.hr { border: 0; border-top: 1px solid var(--tannin-3); margin: 6px 0; }
.spacer { flex: 1; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--tap);
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--sand-35);
  background: transparent;
  color: var(--chalk);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  width: 100%;
}
.btn:active { background: var(--tannin-3); }
.btn.primary { background: var(--rolex); border-color: var(--rolex); color: var(--chalk); }
.btn.primary:active { background: var(--rolex-deep); }
.btn.sand { background: var(--sand); border-color: var(--sand); color: var(--tannin); }
.btn.sand:active { background: #cbbfa9; }
.btn.small { min-height: 40px; padding: 0 12px; font-size: 11px; width: auto; }
.btn.tiny { min-height: 32px; padding: 0 10px; font-size: 10px; width: auto; letter-spacing: 0.16em; }
.btn.danger { border-color: rgba(200, 80, 60, 0.5); color: #e0a08e; }
.btn:disabled { opacity: 0.4; }
.btn-row { display: flex; gap: 10px; }
.btn-row .btn { flex: 1; }

/* ---------- Inputs ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-family: var(--mono); font-weight: 500; font-size: 10.5px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--sand-60); }
.input {
  width: 100%;
  min-height: var(--tap);
  background: var(--tannin);
  border: 1px solid var(--tannin-3);
  border-radius: var(--r);
  padding: 0 14px;
  color: var(--chalk);
  font-size: 18px;
  outline: none;
}
.input:focus { border-color: var(--sand-60); }
textarea.input { padding: 12px 14px; min-height: 80px; resize: vertical; font-size: 16px; }
select.input { appearance: none; -webkit-appearance: none; }
.input.big { font-family: var(--display); font-size: 34px; letter-spacing: -0.03em; text-align: center; min-height: 72px; }

/* Stepper */
.stepper {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  align-items: stretch;
  border: 1px solid var(--tannin-3);
  border-radius: var(--r);
  background: var(--tannin);
  overflow: hidden;
  min-height: 56px;
}
.stepper button {
  background: transparent; border: 0; color: var(--sand);
  font-size: 26px; font-weight: 300; line-height: 1;
}
.stepper button:active { background: var(--tannin-3); }
.stepper .val {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: var(--display); font-size: 24px; letter-spacing: -0.03em; line-height: 1;
}
.stepper .val small { font-family: var(--mono); font-size: 9px; letter-spacing: 0.24em; color: var(--sand-60); margin-top: 4px; text-transform: uppercase; }
.stepper input {
  width: 100%; border: 0; background: transparent; color: var(--chalk); text-align: center;
  font-family: var(--display); font-size: 24px; letter-spacing: -0.03em; outline: none; padding: 0;
}

/* Toggle chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: 40px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--sand-35); background: transparent; color: var(--sand);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
}
.chip.on { background: var(--sand); color: var(--tannin); border-color: var(--sand); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; left: 0; right: 0; bottom: 0;
  height: calc(var(--nav-h) + var(--safe-b));
  padding-bottom: var(--safe-b);
  background: var(--tannin);
  border-top: 1px solid var(--tannin-3);
  display: grid; grid-template-columns: repeat(5, 1fr);
  z-index: 20;
}
.nav a {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--sand-60);
}
.nav a .ico { font-size: 16px; line-height: 1; }
.nav a.active { color: var(--chalk); }
.nav a.active .ico { color: var(--sand); }

/* ---------- Rest timer bar ---------- */
.timer {
  position: fixed; left: 12px; right: 12px; bottom: calc(var(--nav-h) + var(--safe-b) + 10px);
  background: var(--sand); color: var(--tannin);
  border-radius: var(--r);
  display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 10px;
  padding: 10px 12px 10px 16px;
  z-index: 25;
  box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}
.timer .t { font-family: var(--display); font-size: 28px; letter-spacing: -0.03em; line-height: 1; }
.timer .lbl { font-family: var(--mono); font-size: 9px; letter-spacing: 0.24em; text-transform: uppercase; opacity: .65; }
.timer button {
  min-height: 40px; padding: 0 12px; border-radius: 999px;
  border: 1px solid rgba(36,26,20,0.35); background: transparent; color: var(--tannin);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
}
.timer .bar { position: absolute; left: 0; bottom: 0; height: 3px; background: var(--tannin); border-radius: 0 0 0 var(--r); transition: width 1s linear; }
.timer.done { background: var(--chalk); }

/* ---------- Progress ---------- */
.bar-track { height: 8px; background: var(--tannin); border: 1px solid var(--tannin-3); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--sand); border-radius: 999px; transition: width .4s ease; }
.bar-fill.green { background: var(--rolex); }
.bar-fill.over { background: #b8654a; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .num { font-size: 30px; }
.stat .num.xl { font-size: 44px; }
.stat .num small { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; margin-left: 4px; color: var(--sand-60); }

/* Ring */
.ring { position: relative; width: 108px; height: 108px; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring .track { fill: none; stroke: var(--tannin-3); stroke-width: 9; }
.ring .fill { fill: none; stroke: var(--sand); stroke-width: 9; stroke-linecap: butt; transition: stroke-dashoffset .5s ease; }
.ring .fill.green { stroke: var(--rolex); }
.ring .fill.over { stroke: #b8654a; }
.ring .center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring .center .num { font-size: 22px; }

/* ---------- Workout logger ---------- */
.ex { padding: 0; overflow: hidden; }
.ex-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; }
.ex-head .name { font-family: var(--display); font-size: 17px; letter-spacing: -0.02em; line-height: 1.1; }
.ex-head .meta { margin-top: 3px; }
.badge {
  display: inline-block; font-family: var(--mono); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 4px 8px; border-radius: 999px; border: 1px solid var(--sand-35); color: var(--sand);
}
.badge.up { background: var(--sand); color: var(--tannin); border-color: var(--sand); }
.badge.repeat { border-color: rgba(184,101,74,0.6); color: #d9a08d; }
.badge.done { background: var(--rolex); border-color: var(--rolex); color: var(--chalk); }
.sets { border-top: 1px solid var(--tannin-3); }
.set {
  display: grid; grid-template-columns: 34px 1fr 1fr 56px; gap: 8px; align-items: center;
  padding: 10px 12px; border-bottom: 1px solid var(--tannin-3);
}
.set:last-child { border-bottom: 0; }
.set .idx { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--sand-60); text-align: center; }
.set .stepper { min-height: 52px; grid-template-columns: 40px 1fr 40px; }
.set .stepper .val { font-size: 20px; }
.set .stepper button { font-size: 22px; }
.set .ok {
  min-height: 52px; border-radius: 999px; border: 1px solid var(--sand-35); background: transparent; color: var(--sand);
  font-size: 20px;
}
.set.done .ok { background: var(--rolex); border-color: var(--rolex); color: var(--chalk); }
.set.done .stepper { opacity: .55; }
.ex-foot { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--tannin-3); }

/* ---------- Lists ---------- */
.list { display: flex; flex-direction: column; }
.list-item {
  display: flex; align-items: center; gap: 12px; padding: 14px 0;
  border-bottom: 1px solid var(--tannin-3);
}
.list-item:last-child { border-bottom: 0; }
.list-item .title { font-weight: 600; }
.list-item .sub { color: var(--sand-60); font-size: 13px; }
.list-item.tap { cursor: pointer; }
.presets { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.preset {
  min-height: 60px; padding: 10px 12px; text-align: left;
  border: 1px solid var(--tannin-3); background: var(--tannin); border-radius: var(--r); color: var(--chalk);
  display: flex; flex-direction: column; gap: 4px;
}
.preset:active { background: var(--tannin-3); }
.preset .n { font-weight: 600; font-size: 14px; }
.preset .v { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; color: var(--sand-60); }

/* Checklist */
.check {
  display: flex; align-items: center; gap: 14px; min-height: 56px; padding: 0 4px;
  border-bottom: 1px solid var(--tannin-3); cursor: pointer;
}
.check:last-child { border-bottom: 0; }
.check .box { width: 26px; height: 26px; border: 1px solid var(--sand-35); border-radius: 999px; flex: none; display: grid; place-items: center; font-size: 15px; color: var(--chalk); }
.check.on .box { background: var(--sand); border-color: var(--sand); color: var(--tannin); }
.check .txt { flex: 1; }
.check.on .txt { color: var(--sand-60); text-decoration: line-through; }

/* ---------- Sheet / toast ---------- */
.sheet-bg { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 40; display: flex; align-items: flex-end; }
.sheet {
  width: 100%; max-height: 88dvh; overflow: auto;
  background: var(--tannin-2); border-top: 1px solid var(--tannin-3);
  border-radius: 12px 12px 0 0; padding: 18px 18px calc(18px + var(--safe-b));
  display: flex; flex-direction: column; gap: 12px;
}
.sheet .handle { width: 36px; height: 4px; background: var(--sand-35); border-radius: 2px; margin: -6px auto 4px; }
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--nav-h) + var(--safe-b) + 14px);
  background: var(--chalk); color: var(--tannin);
  padding: 10px 16px; border-radius: 999px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  z-index: 50; white-space: nowrap;
}

/* ---------- Charts ---------- */
.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--tannin-3); stroke-width: 1; }
.chart .raw { fill: var(--sand-35); }
.chart .trend { fill: none; stroke: var(--sand); stroke-width: 2.2; stroke-linejoin: round; }
.chart .proj { fill: none; stroke: var(--sand-60); stroke-width: 1.5; stroke-dasharray: 3 5; }
.chart .goal { stroke: var(--rolex); stroke-width: 1.5; }
.chart .axis { font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; fill: var(--sand-60); }
.chart .bar { fill: var(--sand); }
.chart .bar.hit { fill: var(--rolex); }
.chart .bar.empty { fill: var(--tannin-3); }
.chart .target { stroke: var(--sand-60); stroke-width: 1; stroke-dasharray: 2 4; }

/* ---------- Graduation ---------- */
.grad { min-height: calc(100dvh - 120px); display: flex; flex-direction: column; justify-content: center; gap: 22px; }
.grad h1 { font-size: 44px; }
.big-stat { display: flex; flex-direction: column; gap: 2px; }
.big-stat .num { font-size: 40px; }

/* ---------- Week strip ---------- */
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.day {
  aspect-ratio: 1 / 1.25; border-radius: 10px; border: 1px solid var(--tannin-3);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; color: var(--sand-60);
}
.day .d { font-family: var(--display); font-size: 14px; color: var(--chalk); letter-spacing: -0.02em; }
.day.today { border-color: var(--sand); }
.day.done { background: var(--rolex); border-color: var(--rolex); }
.day.done .d, .day.done { color: var(--chalk); }
.day.rest-done { background: var(--sand); border-color: var(--sand); }
.day.rest-done .d, .day.rest-done { color: var(--tannin); }
.day.missed { border-color: rgba(184,101,74,0.6); }

@media (min-width: 640px) {
  #app { max-width: 480px; margin: 0 auto; border-left: 1px solid var(--tannin-3); border-right: 1px solid var(--tannin-3); min-height: 100dvh; }
  .nav, .timer, .toast { max-width: 480px; left: 50%; transform: translateX(-50%); right: auto; width: 100%; }
  .timer { width: calc(100% - 24px); }
  .toast { width: auto; }
}