/* MAT & IRON — rubber mat, chalk, athletic tape.
   Palette:
   --mat      #171512  rubber-mat charcoal (bg)
   --mat-2    #211E19  card surface
   --line     #37322A  seams
   --chalk    #EFEAE0  primary text
   --chalk-2  #A79F90  secondary text
   --tape     #E8C33C  athletic tape (structure, lift accent)
   --bjj      #5B8DEF  blue corner
   --mma      #D97742  orange corner
   --cond     #7FA65A  turf green
   --pr       #E04A3A  chalk red — PRs only
*/
:root {
  --mat: #171512;
  --mat-2: #211E19;
  --mat-3: #2B2620;
  --line: #37322A;
  --chalk: #EFEAE0;
  --chalk-2: #A79F90;
  --tape: #E8C33C;
  --bjj: #5B8DEF;
  --mma: #D97742;
  --cond: #7FA65A;
  --pr: #E04A3A;
  --display: "Anton", "Arial Narrow", sans-serif;
  --body: "Barlow", -apple-system, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--mat);
  /* faint mat seams */
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 160px 160px;
  background-position: -1px -1px;
  color: var(--chalk);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.45;
  padding-bottom: calc(76px + env(safe-area-inset-bottom));
}

/* ---------- masthead ---------- */
.masthead {
  padding: calc(14px + env(safe-area-inset-top)) 20px 0;
  max-width: 520px;
  margin: 0 auto;
}
.wordmark {
  font-family: var(--display);
  font-size: 28px;
  letter-spacing: 0.22em;
  margin: 0;
  font-weight: 400;
  color: var(--chalk);
}
.wordmark .amp { color: var(--tape); }
.tape-rule {
  height: 8px;
  margin-top: 8px;
  background: var(--tape);
  clip-path: polygon(0 15%, 100% 0, 100% 82%, 0 100%);
  opacity: 0.92;
}

/* ---------- layout ---------- */
main { max-width: 520px; margin: 0 auto; padding: 20px; }
.view > * + * { margin-top: 16px; }

/* ---------- today hero ---------- */
.today-hero { padding: 4px 0 2px; }
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--chalk-2);
  margin: 0 0 2px;
  font-weight: 600;
}
.today-date {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(40px, 11vw, 56px);
  line-height: 0.95;
  margin: 0;
  text-transform: uppercase;
}
.week-tally {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 30px;
}
.tally-group { display: flex; gap: 4px; position: relative; padding-right: 6px; }
.tally-mark {
  width: 3px; height: 26px;
  background: var(--chalk);
  border-radius: 1px;
  transform: rotate(2deg);
}
.tally-mark:nth-child(2n) { transform: rotate(-2deg); height: 24px; margin-top: 2px; }
.tally-slash {
  position: absolute;
  left: -3px; right: 1px; top: 11px;
  height: 3px;
  background: var(--tape);
  border-radius: 2px;
  transform: rotate(-24deg);
}
.tally-label { font-size: 13px; color: var(--chalk-2); }

/* ---------- type picker ---------- */
.type-picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.type-chip {
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--chalk-2);
  background: var(--mat-2);
  border: 1px solid var(--line);
  padding: 12px 4px 10px;
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  border-radius: 3px;
}
.type-chip[aria-checked="true"] { color: var(--chalk); border-color: var(--chalk-2); background: var(--mat-3); }
.dot { width: 10px; height: 10px; border-radius: 50%; opacity: 0.55; }
.type-chip[aria-checked="true"] .dot { opacity: 1; }
.dot-lift { background: var(--tape); }
.dot-bjj { background: var(--bjj); }
.dot-mma { background: var(--mma); }
.dot-cond { background: var(--cond); }

/* ---------- forms ---------- */
.log-form > * + * { margin-top: 14px; }
.hint { color: var(--chalk-2); font-size: 14px; text-align: center; padding: 12px 0; }

.exercise-card {
  background: var(--mat-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px;
}
.exercise-head { display: flex; gap: 8px; align-items: center; }
.exercise-name {
  flex: 1;
  font-family: var(--body);
  font-weight: 600;
  font-size: 16px;
}
.exercise-last { font-size: 12.5px; color: var(--chalk-2); margin: 6px 2px 0; font-family: var(--mono); }
.set-rows { margin-top: 10px; display: grid; gap: 6px; }
.set-row { display: grid; grid-template-columns: 28px 1fr 22px 1fr 34px; gap: 6px; align-items: center; }
.set-num { font-family: var(--mono); font-size: 13px; color: var(--chalk-2); text-align: center; }
.set-x { text-align: center; color: var(--chalk-2); font-size: 13px; }
.add-set { margin-top: 10px; }

input, textarea, select {
  font: inherit;
  color: var(--chalk);
  background: var(--mat);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 10px;
  width: 100%;
}
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--tape);
  outline-offset: 1px;
}
input[type="number"] { font-family: var(--mono); }
textarea { resize: vertical; }
.notes-input { font-size: 15px; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field { display: block; }
.field-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--chalk-2);
  margin-bottom: 6px;
  font-weight: 600;
}

.intensity-picker { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.intensity-picker button {
  font-family: var(--display);
  font-size: 16px;
  padding: 10px 0 8px;
  background: var(--mat-2);
  color: var(--chalk-2);
  border: 1px solid var(--line);
  border-radius: 3px;
  cursor: pointer;
}
.intensity-picker button.is-on { background: var(--mat-3); color: var(--tape); border-color: var(--chalk-2); }

/* ---------- buttons ---------- */
.btn-primary, .btn-ghost, .btn-danger, .file-btn {
  display: block;
  width: 100%;
  font-family: var(--display);
  font-weight: 400;
  font-size: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 12px 12px;
  border-radius: 3px;
  cursor: pointer;
  text-align: center;
}
.btn-primary { background: var(--tape); color: #1B1400; border: 1px solid var(--tape); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost, .file-btn { background: transparent; color: var(--chalk-2); border: 1px dashed var(--line); }
.btn-ghost:hover, .file-btn:hover { color: var(--chalk); border-color: var(--chalk-2); }
.btn-danger { background: transparent; color: var(--pr); border: 1px solid var(--pr); }
.btn-small {
  font-family: var(--body); font-size: 13px; font-weight: 600;
  background: none; border: none; color: var(--chalk-2); cursor: pointer; padding: 4px 6px;
}
.btn-small:hover { color: var(--pr); }

/* ---------- history ---------- */
#history-list > * + * { margin-top: 12px; }
.day-group-label {
  font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--chalk-2); font-weight: 600;
  margin: 20px 2px 8px;
}
.workout-card {
  background: var(--mat-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--card-accent, var(--line));
  border-radius: 4px;
  padding: 12px 14px;
}
.workout-head { display: flex; align-items: baseline; gap: 10px; }
.workout-type {
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--card-accent, var(--chalk));
}
.workout-meta { font-size: 13px; color: var(--chalk-2); font-family: var(--mono); flex: 1; }
.workout-body { margin-top: 8px; font-size: 14.5px; }
.workout-body table { border-collapse: collapse; width: 100%; }
.workout-body td { padding: 2px 8px 2px 0; font-family: var(--mono); font-size: 13.5px; color: var(--chalk); }
.workout-body td.ex-name { font-family: var(--body); font-weight: 600; font-size: 14px; }
.workout-notes { margin-top: 6px; color: var(--chalk-2); font-style: italic; font-size: 14px; }
.pr-badge {
  display: inline-block;
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mat);
  background: var(--pr);
  padding: 2px 6px 1px;
  border-radius: 2px;
  transform: rotate(-3deg);
  margin-left: 6px;
  vertical-align: 2px;
}
.empty { color: var(--chalk-2); text-align: center; padding: 40px 20px; }

/* ---------- progress ---------- */
.stat-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.stat-tile {
  background: var(--mat-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px 10px 10px;
  text-align: center;
}
.stat-tile .n { font-family: var(--display); font-size: 30px; line-height: 1; display: block; }
.stat-tile .l { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--chalk-2); font-weight: 600; }
.chart-block {
  background: var(--mat-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px;
}
.chart-title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.chart-sub { font-weight: 400; color: var(--chalk-2); text-transform: none; letter-spacing: 0; font-size: 13px; }
.chart-select { width: auto; padding: 4px 8px; font-size: 13px; }
.chart-block svg { display: block; width: 100%; height: auto; }
.chart-empty { color: var(--chalk-2); font-size: 13.5px; padding: 18px 0; text-align: center; }

/* ---------- data ---------- */
.data-card {
  background: var(--mat-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 18px;
}
.data-card h3 { margin: 0 0 8px; font-size: 17px; }
.data-card p { margin: 0 0 10px; color: var(--chalk-2); font-size: 14.5px; }
.data-count { font-family: var(--mono); color: var(--chalk); }
.data-actions { display: grid; gap: 10px; margin-top: 14px; }

/* ---------- tab bar ---------- */
.tabbar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(23, 21, 18, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  z-index: 10;
}
.tab {
  background: none; border: none; cursor: pointer;
  color: var(--chalk-2);
  font-family: var(--body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 0 4px;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  border-radius: 4px;
}
.tab-glyph { font-size: 17px; line-height: 1; }
.tab.is-active { color: var(--tape); }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%; bottom: calc(86px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(12px);
  background: var(--chalk);
  color: var(--mat);
  font-weight: 600;
  font-size: 14.5px;
  padding: 10px 18px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  max-width: 90vw;
  text-align: center;
  z-index: 20;
}
.toast.is-pr { background: var(--pr); color: #fff; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}