:root {
  --bg: #121417;
  --surface: #1b1e23;
  --surface-2: #252a31;
  --border: #2f353d;
  --text: #e8eaed;
  --muted: #9aa1ab;
  --accent: #5b9cff;
  --ok: #4cc38a;
  --warn: #f2b84b;
  --danger: #f06a6a;

  --run: #5b9cff;
  --lift: #ff8a4c;
  --climb: #4cc38a;
  --sauna: #e05d7a;

  --radius: 12px;
  --tabbar-h: 56px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

main {
  padding: calc(env(safe-area-inset-top) + 16px) 16px calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 24px);
  max-width: 640px;
  margin: 0 auto;
}

h1 { font-size: 28px; margin: 8px 0 16px; }
h2 { font-size: 15px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0 0 8px; }

.muted { color: var(--muted); }
.small { font-size: 13px; }

.tabbar {
  position: fixed;
  inset: auto 0 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 20;
}
.tabbar a {
  display: grid;
  place-items: center;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}
.tabbar a[aria-current="page"] { color: var(--accent); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.stack > * + * { margin-top: 8px; }

button, .button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 10px;
  min-height: 44px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #0b1220; }
button.danger { color: var(--danger); }
button:disabled { opacity: .5; }

.status { font-weight: 600; }
.status.ok { color: var(--ok); }
.status.warn { color: var(--warn); }
.status.bad { color: var(--danger); }

.log {
  font: 12px/1.4 ui-monospace, Menlo, monospace;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
  border-radius: 8px;
  padding: 8px;
  max-height: 240px;
  overflow: auto;
}

.boot-error {
  margin: calc(env(safe-area-inset-top) + 16px) 16px 0;
  padding: 12px;
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  color: var(--danger);
  white-space: pre-wrap;
  font-size: 13px;
}

input[type="file"] { max-width: 100%; color: var(--muted); }

.field { display: grid; gap: 4px; }
.field > span { font-size: 13px; color: var(--muted); font-weight: 600; }
.pace-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pace-form > .wide { grid-column: 1 / -1; }

input[type="text"], input[type="date"], input[type="number"], select, textarea {
  font: inherit;
  font-size: 17px; /* 16px+ stops iOS zooming into the field */
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 44px;
  width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.segmented { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 4px; background: var(--surface-2); border-radius: 10px; padding: 4px; }
.segmented button { min-height: 36px; border: 0; background: transparent; justify-content: center; color: var(--muted); }
.segmented button[aria-pressed="true"] { background: var(--bg); color: var(--text); }

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
.pace-table { border-collapse: separate; border-spacing: 0; font-variant-numeric: tabular-nums; white-space: nowrap; min-width: 100%; }
.pace-table th, .pace-table td { padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--border); }
.pace-table thead th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.pace-table tbody tr:last-child > * { border-bottom: 0; }
.pace-table .pin {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--surface);
  text-align: left;
  border-right: 1px solid var(--border);
}
.pace-table tbody .pin { font-weight: 700; }
.pace-table .offset { display: block; font-size: 11px; font-weight: 500; color: var(--muted); }
.pace-table tr.anchor > * { background: var(--surface-2); }
.pace-table tr.anchor .pin { color: var(--accent); }
.pace-table tr.anchor .offset { color: var(--accent); }

.update-banner {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 8px);
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 10px 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .4);
  z-index: 10;
}

/* === CALENDAR === */
.spacer { flex: 1; }
.cal-head h1 { margin-bottom: 8px; }
.cal-head .row { margin-bottom: 12px; flex-wrap: nowrap; }
.button.icon { width: 44px; justify-content: center; padding: 0; font-size: 22px; }
.segmented.compact { padding: 3px; }
.segmented .seg {
  display: grid; place-items: center; min-height: 36px; padding: 0 12px; border-radius: 8px;
  color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14px;
}
.segmented .seg[aria-pressed="true"] { background: var(--bg); color: var(--text); }

.kind-run { --kind: var(--run); }
.kind-lift { --kind: var(--lift); }
.kind-climb { --kind: var(--climb); }
.kind-sauna { --kind: var(--sauna); }

.chip {
  display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 13px; font-weight: 600;
  border: 1.5px solid var(--kind); white-space: nowrap;
}
.chip.status-done { background: color-mix(in srgb, var(--kind) 28%, transparent); color: var(--text); }
.chip.status-planned { color: var(--kind); background: transparent; border-style: dashed; }
.chip.status-skipped { color: var(--muted); border-color: var(--border); text-decoration: line-through; }

.week { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.week-day {
  display: flex; gap: 12px; align-items: center; min-height: 60px; padding: 10px 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  color: inherit; text-decoration: none;
}
.week-day.today { border-color: var(--accent); }
.wd { display: grid; width: 40px; text-align: center; flex: none; }
.wd-name { font-size: 12px; color: var(--muted); text-transform: uppercase; font-weight: 600; }
.wd-num { font-size: 20px; font-weight: 700; }
.week-day.today .wd-num, .week-day.today .wd-name { color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }

.month { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.dow { text-align: center; font-size: 12px; color: var(--muted); font-weight: 600; padding-bottom: 4px; }
.mday {
  display: grid; align-content: start; justify-items: center; gap: 4px; min-height: 52px; padding: 6px 0;
  background: var(--surface); border-radius: 8px; color: inherit; text-decoration: none;
}
.mday.other { opacity: .35; }
.mday.today { outline: 2px solid var(--accent); }
.mnum { font-size: 15px; font-weight: 600; }
.dots { display: flex; gap: 3px; flex-wrap: wrap; justify-content: center; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--kind); }

/* === DAY + ENTRY === */
.subhead { margin-bottom: 4px; }
.entry-card {
  display: grid; gap: 4px; padding: 12px 14px; background: var(--surface); border: 1px solid var(--border);
  border-left: 4px solid var(--kind); border-radius: var(--radius); color: inherit; text-decoration: none;
}
.entry-main { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.entry-main .note { flex-basis: 100%; }
.status-label { text-transform: capitalize; color: var(--muted); }
.status-label.status-done { color: var(--ok); }
.status-label.status-planned { color: var(--warn); }
.add-head { margin-top: 24px; }
.add-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.button.add { justify-content: center; border-color: var(--kind); color: var(--kind); }

.entry-form { margin-top: 8px; }
.entry-form .segmented { margin-bottom: 4px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.input-wrap { position: relative; display: block; }
.input-wrap .suffix { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.field-error { color: var(--danger); font-size: 13px; min-height: 0; }
.field-error:empty { display: none; }
.check { display: flex; gap: 10px; align-items: center; min-height: 44px; }
.check input { width: 22px; height: 22px; accent-color: var(--accent); }
.planned-note { padding: 8px 12px; border-radius: 8px; background: var(--surface-2); color: var(--warn); }
textarea { resize: vertical; }
button.block, .button.block { width: 100%; justify-content: center; }

.toast {
  position: fixed; left: 50%; top: calc(env(safe-area-inset-top) + 12px); transform: translate(-50%, -20px);
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 8px 16px;
  font-weight: 600; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 30;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* === RUN FORM === */
.segmented button { font-size: 14px; padding: 0 4px; }
.block { padding: 12px; margin-bottom: 0; display: grid; gap: 10px; }
.block-head { display: flex; justify-content: space-between; align-items: center; }
button.link, a.link { background: none; border: 0; padding: 0; min-height: 0; color: var(--accent); font-weight: 600; text-decoration: none; }
button.link.danger { color: var(--danger); }
.pace-link { align-content: end; padding-bottom: 12px; }
.block-add { justify-content: center; width: 100%; border-style: dashed; color: var(--run); border-color: var(--run); background: transparent; }
.splits { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 6px; }
.split { display: grid; grid-template-columns: 18px 1fr 40px; gap: 6px; align-items: center; }
.split input { min-height: 40px; padding: 6px 8px; }
.split-n { color: var(--muted); font-size: 12px; text-align: right; }
.delta { font-size: 12px; font-variant-numeric: tabular-nums; color: var(--muted); }
.delta.slow { color: var(--warn); }
.delta.fast { color: var(--ok); }

/* === LIFT FORM === */
.exercise-head { display: flex; gap: 10px; align-items: center; }
.exercise-head input { flex: 1; font-weight: 600; }
.sets { display: grid; gap: 6px; }
.set-row { display: grid; grid-template-columns: 16px 74px 1fr 10px 1fr 34px 30px; gap: 5px; align-items: center; }
.set-row select, .set-row input[type="text"] { min-height: 40px; padding: 6px 8px; }
.set-row select { padding-right: 2px; font-size: 16px; }
.set-n { color: var(--muted); font-size: 12px; text-align: right; }
.times { color: var(--muted); text-align: center; }
.warmup { position: relative; display: grid; place-items: center; height: 40px; }
.warmup input { position: absolute; opacity: 0; inset: 0; margin: 0; }
.warmup span { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--border); color: var(--muted); font-weight: 700; font-size: 13px; }
.warmup input:checked + span { background: var(--warn); border-color: var(--warn); color: #1b1e23; }
.set-remove { min-height: 32px; padding: 0; justify-content: center; background: transparent; border: 0; color: var(--muted); }