:root {
  --bg: #1b1c1e;
  --surface: #232426;
  --surface-2: #121315;
  --text: #f1f1f2;
  --muted: #9a9ca1;
  --line: #34363a;
  --accent: #ff2a3a;
  --accent-text: #fff;
  --ok: #17a56b;
  --warn: #c9a227;
  --push: #e040c8;
  --pull: #22b8d8;
  --legs: #2cc08a;
  --other: #8b5cf6;
  --radius: 12px;
  --tap: 48px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}

#view { max-width: 640px; margin: 0 auto; padding: 24px 16px; }
h1 { font-size: 2rem; margin: 8px 0 20px; letter-spacing: -0.02em; }
h2 { font-size: 1.1rem; margin: 28px 0 10px; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 12px; align-items: center; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 12px; }

#tabs {
  position: fixed; left: 0; right: 0; bottom: 0;
  display: flex; background: var(--surface); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
#tabs a {
  flex: 1; text-align: center; padding: 14px 4px; min-height: var(--tap);
  color: var(--muted); text-decoration: none; font-size: 0.85rem;
}
#tabs a.active { color: var(--text); font-weight: 600; }

.card { background: var(--surface-2); border-radius: var(--radius); padding: 16px; }
.list { list-style: none; margin: 0; padding: 0; }
.list > li { border-bottom: 1px solid var(--line); }
.list > li:last-child { border-bottom: 0; }

button, .btn, input, select {
  font: inherit; color: inherit; min-height: var(--tap);
  border-radius: 10px; border: 1px solid var(--line); background: var(--surface-2);
  padding: 0 14px;
}
input, select { width: 100%; }
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
button, .btn { cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.danger { color: #ff7b86; border-color: #5a2b30; }
button.ghost { background: transparent; }
button:disabled { opacity: 0.5; cursor: default; }

label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; }
.field + .field { margin-top: 14px; }

.profile-item {
  display: flex; align-items: center; gap: 12px; padding: 14px 4px; min-height: 64px;
}
.profile-item .name { flex: 1; font-weight: 600; font-size: 1.1rem; background: none; border: 0; text-align: left; padding: 0; }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 0.75rem; font-weight: 700;
  background: #2b3068; color: #cfd3ff; letter-spacing: 0.04em;
}
.empty { text-align: center; padding: 48px 8px; color: var(--muted); }

#toast {
  position: fixed; left: 16px; right: 16px; bottom: calc(76px + env(safe-area-inset-bottom));
  max-width: 480px; margin: 0 auto; padding: 12px 16px; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--line);
  opacity: 0; transform: translateY(8px); transition: opacity .2s, transform .2s; pointer-events: none;
}
#toast.show { opacity: 1; transform: none; }
#toast.error { border-color: var(--accent); }

/* exercise library */
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--other); flex: none; }
.dot.push { background: var(--push); }
.dot.pull { background: var(--pull); }
.dot.legs { background: var(--legs); }
.dot.other { background: var(--other); }
.group-title { display: flex; align-items: center; gap: 8px; }
.group-title .count { font-size: 0.8rem; font-weight: 400; margin-left: auto; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 12px 0; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; gap: 8px; border-radius: 999px; min-height: 40px; background: var(--surface-2); }
.chip.on { border-color: var(--text); background: var(--surface); }
.filters > * { flex: 1; }
.check { display: flex; align-items: center; gap: 10px; font-size: 1rem; color: var(--text); margin: 8px 0; min-height: 40px; }
.check input { width: 22px; height: 22px; min-height: 0; padding: 0; flex: none; }
.ex-row { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; padding: 12px 4px; min-height: 56px; color: inherit; text-decoration: none; }
.ex-name { font-weight: 600; }
.ex-meta { font-size: 0.85rem; grid-column: 1; }
.tags { grid-column: 2; grid-row: 1 / span 2; align-self: center; display: flex; gap: 6px; }
.tag { font-size: 0.7rem; padding: 2px 8px; border-radius: 6px; background: var(--surface); color: var(--muted); }
.back { display: inline-block; color: var(--muted); text-decoration: none; padding: 8px 0; }
.wrap { flex-wrap: wrap; }
textarea {
  width: 100%; font: inherit; color: inherit; background: var(--surface-2);
  border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; resize: vertical;
}
input[type="search"] { margin-top: 4px; }

/* mesocycles */
.badge.active { background: #2b3068; color: #cfd3ff; }
.badge.planned { background: var(--surface); color: var(--muted); }
.badge.completed { background: #0f3f2c; color: #7be0b0; }
.meso-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; padding: 14px 4px; min-height: 64px; color: inherit; text-decoration: none; align-items: center; }
.meso-name { font-weight: 600; font-size: 1.1rem; }
.meso-meta { grid-column: 1 / -1; font-size: 0.85rem; }
.grow { flex: 1; }
.small { font-size: 0.8rem; }
.small-btn { min-height: 36px; padding: 0 10px; font-size: 0.85rem; }
.daytabs { display: flex; gap: 8px; margin: 16px 0 8px; overflow-x: auto; }
.daytab { flex: 1; min-width: 64px; }
.daytab.on { background: var(--text); color: var(--bg); border-color: var(--text); font-weight: 600; }
.plan-item { padding: 14px 4px; }
.plan-item.paired { border-left: 3px solid var(--accent); padding-left: 12px; }
.controls { margin-top: 10px; gap: 8px; }
.controls select { width: auto; min-height: 40px; }
.controls button { min-height: 40px; }
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.stepper button { border: 0; border-radius: 0; min-width: 40px; padding: 0; }
.stepper-val { padding: 0 10px; min-width: 64px; text-align: center; }
.move { gap: 4px; }
.move button { min-width: 40px; padding: 0; }
.weeks { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 12px; }
.week input { min-height: 44px; text-align: center; }

/* workout */
.weekstrip { display: grid; grid-template-columns: repeat(var(--cols), minmax(56px, 1fr)); gap: 8px; margin: 12px 0 20px; overflow-x: auto; padding-bottom: 4px; }
.weekcol { display: flex; flex-direction: column; gap: 6px; }
.weekhead { display: flex; flex-direction: column; align-items: center; line-height: 1.2; padding: 4px 0; }
.daybtn { min-height: 44px; padding: 0 4px; font-family: ui-monospace, monospace; font-size: 0.9rem; background: var(--surface); }
.daybtn.done { background: #1d5c42; border-color: #1d7a55; color: #8df0c0; }
.daybtn.in_progress { border-color: var(--warn); color: var(--warn); }
.daybtn.sel { outline: 2px solid var(--text); outline-offset: 1px; }
.groupbadge { display: inline-flex; align-items: center; gap: 8px; margin: 22px 0 8px; padding: 4px 10px; border-radius: 8px; background: var(--surface); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; }
.bars { display: inline-flex; gap: 2px; }
.bars i { width: 4px; height: 14px; border-radius: 2px; background: var(--line); }
.bars i.on { background: var(--text); }
.ex-card { background: var(--surface); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; border-left: 3px solid transparent; }
.ex-card.done { border-left-color: var(--ok); }
.ex-card.skipped { opacity: 0.6; }
.ex-title { margin: 0; font-size: 1.1rem; }
.pinned { margin: 10px 0 0; padding: 8px 10px; border-radius: 8px; background: #6f5f33; color: #fff6dc; font-size: 0.9rem; white-space: pre-wrap; }
.pinned a { color: inherit; }
.prevline { margin: 8px 0 4px; }
.sethead, .setrow { display: grid; grid-template-columns: 28px 1fr 1fr 56px; gap: 8px; align-items: center; }
.sethead { margin-top: 6px; text-align: center; }
.setblock { border-top: 1px solid var(--line); padding: 8px 0; }
.setrow { margin: 4px 0; }
.setrow input { text-align: center; background: var(--surface-2); }
.setrow.skipped input { opacity: 0.5; }
.setno { text-align: center; color: var(--muted); }
.logbtn { min-width: 48px; padding: 0; background: var(--surface-2); font-size: 1.3rem; }
.logbtn.on { background: var(--ok); border-color: var(--ok); color: #fff; }
.adddrop { margin-left: 36px; }
.superset { border-left: 3px solid var(--accent); padding-left: 10px; margin-bottom: 12px; }
.superset .ex-card { margin-bottom: 8px; }
dialog.choose { width: min(420px, calc(100vw - 32px)); background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
dialog.choose::backdrop { background: rgba(0, 0, 0, 0.6); }

.grouprow { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.target { margin: 8px 0 0; }
.seg { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; }
.segbtn { min-height: 44px; background: var(--surface); }
.segbtn.on { background: var(--text); color: var(--bg); border-color: var(--text); font-weight: 600; }
.fb-q { margin: 18px 0 8px; font-size: 1rem; }
.fb-actions { justify-content: flex-end; margin-top: 20px; }
dialog.feedback { max-height: 90vh; overflow-y: auto; }

.chips.wrapchips { flex-wrap: wrap; overflow: visible; }
.equip { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0 12px; }

body.loggedout #tabs { display: none; }
.notice { display: block; margin-bottom: 14px; padding: 10px 12px; border-radius: 10px; background: #3b3321; color: #ffe9a8; text-decoration: none; font-size: 0.9rem; }

/* progress charts (dark values of the data-viz palette: categorical slot 1 = blue) */
.filterrow { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.nowrapchips { padding: 0; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; margin-bottom: 16px; }
.tile { background: var(--surface-2); border-radius: var(--radius); padding: 12px 14px; }
.tile-label { color: var(--muted); font-size: 0.8rem; }
.tile-value { font-size: 1.6rem; font-weight: 600; margin-top: 2px; }
.viz {
  --viz-surface: #1a1a19; --viz-1: #3987e5; --viz-text: #f0efec; --viz-text2: #c3c2b7; --viz-muted: #898781;
  --viz-grid: #2c2c2a; --viz-axis: #383835; --viz-border: rgba(255, 255, 255, 0.1);
}
.viz-card { background: var(--viz-surface); border: 1px solid var(--viz-border); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; }
.viz-title { margin: 0 0 2px; font-size: 1.05rem; }
.viz-sub { margin: 0 0 10px; }
.viz-host { position: relative; width: 100%; }
.viz svg { display: block; overflow: visible; }
.viz-grid { stroke: var(--viz-grid); stroke-width: 1; }
.viz-axis { stroke: var(--viz-axis); stroke-width: 1; }
.viz-cross { stroke: var(--viz-muted); stroke-width: 1; }
.viz-tick { fill: var(--viz-muted); font-size: 11px; }
.viz-band { fill: var(--viz-muted); font-size: 11px; }
.viz-cat { fill: var(--viz-text2); font-size: 12px; }
.viz-value { fill: var(--viz-text); font-size: 12px; font-weight: 600; }
.viz-line { fill: none; stroke: var(--viz-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.viz-dot { fill: var(--viz-1); stroke: var(--viz-surface); stroke-width: 2; outline: none; }
.viz-dot:focus-visible { stroke: var(--viz-text); }
.viz-bar { fill: var(--viz-1); outline: none; }
.viz-bar.hot, .viz-bar:focus-visible { fill: #5598e7; }
.viz-tip { display: none; position: absolute; z-index: 2; pointer-events: none; min-width: 120px; padding: 8px 10px;
  background: #232426; border: 1px solid var(--viz-border); border-radius: 8px; font-size: 0.8rem; color: var(--viz-text2); }
.viz-tip-title { color: var(--viz-text2); margin-bottom: 4px; }
.viz-tip-row { display: flex; gap: 8px; align-items: baseline; }
.viz-tip-row strong { color: var(--viz-text); }
.viz-details { margin-top: 10px; font-size: 0.85rem; }
.viz-details summary { cursor: pointer; color: var(--viz-text2); min-height: 32px; display: flex; align-items: center; }
.viz-table { width: 100%; border-collapse: collapse; margin-top: 6px; font-variant-numeric: tabular-nums; }
.viz-table caption { text-align: left; color: var(--viz-muted); padding-bottom: 4px; }
.viz-table th, .viz-table td { text-align: left; padding: 4px 6px 4px 0; border-bottom: 1px solid var(--viz-grid); font-weight: 400; }
.viz-table thead th { color: var(--viz-muted); }
@media (forced-colors: active) { .viz-bar, .viz-dot { fill: CanvasText; } .viz-line { stroke: CanvasText; } }

.calendar { margin: 0 0 14px; }
.calendar > summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; padding: 0 12px;
  background: var(--surface); border-radius: 10px; color: var(--text); }
.calendar[open] > summary { margin-bottom: 12px; }
.calendar .weekstrip { margin-top: 0; }
@media (max-width: 520px) { h1 { font-size: 1.6rem; margin: 4px 0 12px; } #view { padding-top: 16px; } }

/* workout calendar legend and day summary */
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin: -8px 0 14px; font-size: 0.8rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 14px; border-radius: 4px; border: 1px solid var(--line); background: var(--surface); }
.legend i.done { background: #1d5c42; border-color: #1d7a55; }
.legend i.in_progress { border-color: var(--warn); }
.daysummary { display: flex; flex-wrap: wrap; gap: 6px 16px; color: var(--muted); font-size: 0.9rem; }
.daysummary strong { color: var(--text); font-weight: 600; }

/* exercise picker dialog */
dialog.picker {
  width: min(560px, 100vw); max-width: 100vw; height: min(80vh, 720px); margin: auto;
  background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 16px; padding: 16px;
}
dialog.picker[open] { display: flex; flex-direction: column; gap: 4px; }
dialog.picker::backdrop { background: rgba(0, 0, 0, 0.6); }
.picker-title { margin: 0; }
.picker-list { overflow-y: auto; flex: 1; }
.picker-row {
  display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; width: 100%; text-align: left;
  border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: none; padding: 10px 4px; min-height: 56px;
  align-items: center; justify-content: stretch;
}
.picker-row .dot { grid-row: 1 / span 2; }
.picker-name { font-weight: 600; }
.picker-meta { font-size: 0.8rem; grid-column: 2; }

@media (min-width: 900px) {
  #tabs { position: static; max-width: 640px; margin: 0 auto 0; border: 0; background: none; }
  body { padding-bottom: 24px; }
}