:root {
  --concrete: #8C8B85;
  --blue-grey: #5B6673;
  --charcoal: #2B2B2B;
  --amber: #B87333;
  --teal: #4C8C8F;
  --background: #202020;
  --surface: #2B2B2B;
  --surface-raised: #343638;
  --surface-soft: #303236;
  --line: #4B5055;
  --text: #F2F1EC;
  --muted: #B1B0AA;
  --danger: #D17A7A;
  --success: #72A7A9;
  --radius-xl: 22px;
  --radius-lg: 17px;
  --radius-md: 13px;
  --shadow: 0 16px 38px rgba(0, 0, 0, .22);
}

* { box-sizing: border-box; }
html { background: var(--background); color-scheme: dark; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  -webkit-tap-highlight-color: transparent;
  padding-bottom: calc(86px + env(safe-area-inset-bottom));
}
button, input, textarea { font: inherit; }
button { touch-action: manipulation; }
button, input, textarea { -webkit-appearance: none; appearance: none; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }

.app {
  width: min(820px, 100%);
  margin: 0 auto;
  padding: calc(14px + env(safe-area-inset-top)) 14px 42px;
}

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 2px 2px 14px; }
.brand { font-size: 24px; font-weight: 850; letter-spacing: -.035em; }
.subtitle { color: var(--muted); font-size: 12px; margin-top: 2px; }
.version {
  color: var(--concrete); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 9px; font-size: 11px; white-space: nowrap;
}

.hero {
  background: linear-gradient(145deg, #323437, #292A2C);
  border: 1px solid var(--line); border-radius: var(--radius-xl); padding: 16px;
  box-shadow: var(--shadow); margin-bottom: 14px;
}
.hero h1 { margin: 5px 0 6px; font-size: clamp(26px, 7vw, 34px); line-height: 1.04; letter-spacing: -.04em; }
.hero p { color: var(--muted); font-size: 13px; line-height: 1.5; margin: 0; }
.eyebrow { color: var(--amber); text-transform: uppercase; letter-spacing: .1em; font-size: 10px; font-weight: 900; }

.day-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; margin-bottom: 14px; }
.day-tab {
  min-height: 50px; border: 1px solid var(--line); background: var(--surface); color: var(--muted);
  border-radius: var(--radius-md); padding: 8px 5px; font-size: 11px; font-weight: 850;
}
.day-tab.active { background: var(--blue-grey); color: white; border-color: #778492; }
.day-tab.next::after { content: "NEXT"; display: block; color: #D5A776; letter-spacing: .1em; font-size: 7px; margin-top: 3px; }
.rotation-note {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: -5px 1px 14px;
  padding: 9px 11px; border-left: 3px solid var(--amber); border-radius: 0 10px 10px 0; background: rgba(184,115,51,.08);
}
.rotation-note strong { color: #E0B787; font-size: 10px; white-space: nowrap; }
.rotation-note span { color: var(--muted); font-size: 10px; line-height: 1.35; text-align: right; }

.step-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 0 0 14px;
}
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 11px; padding: 8px; color: var(--muted); font-size: 10px; }
.step strong { display: block; color: var(--text); font-size: 11px; margin-bottom: 2px; }
.step.done { border-color: rgba(76, 140, 143, .8); }
.step.current { box-shadow: inset 0 -2px 0 var(--amber); }

.section { margin: 17px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.section-heading h2 { margin: 0; font-size: 17px; }
.section-heading span { color: var(--muted); font-size: 11px; text-align: right; }

.map-card, .panel, .workout-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-xl);
}
.map-card { padding: 12px; overflow: hidden; }
.map-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 6px; }
.map-header strong { font-size: 14px; }
.segmented { display: flex; gap: 4px; padding: 3px; border: 1px solid var(--line); border-radius: 12px; background: #252729; }
.segmented button { min-height: 34px; border-radius: 9px; box-shadow: none; }

.body-map {
  width: 100%; height: 360px; display: flex; align-items: center; justify-content: center;
  overflow: hidden; touch-action: manipulation;
}
.body-map > div { width: 100%; height: 100%; display: flex !important; align-items: center; justify-content: center; }
.body-map svg { width: 100% !important; height: 100% !important; max-width: 440px !important; max-height: 360px !important; touch-action: manipulation; }
.body-map path.body-chart-muscle { touch-action: manipulation; }
.body-map .body-chart-background path { fill: var(--blue-grey) !important; opacity: .5 !important; }
.map-message { color: var(--muted); text-align: center; font-size: 12px; line-height: 1.45; padding: 18px; }
.map-hint { text-align: center; color: var(--muted); font-size: 10px; margin: 4px 0 2px; }

.muscle-chips { display: flex; gap: 7px; overflow-x: auto; padding: 8px 1px 2px; scrollbar-width: none; }
.muscle-chips::-webkit-scrollbar { display: none; }
.muscle-chip {
  flex: 0 0 auto; min-height: 42px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); color: var(--muted); padding: 8px 12px; font-size: 11px; font-weight: 800;
}
.muscle-chip.active { background: var(--teal); border-color: var(--teal); color: #111819; }
.muscle-chip.complete { color: white; box-shadow: inset 0 -2px 0 var(--amber); }
.muscle-chip.suggested { border-color: var(--amber); box-shadow: inset 0 -2px 0 var(--amber), 0 0 0 1px rgba(184,115,51,.2); }
.next-tag {
  margin-left: 5px; padding: 2px 5px; border-radius: 999px; background: var(--amber); color: #171717;
  font-size: 7px; font-weight: 950; letter-spacing: .06em; text-transform: uppercase;
}
.muscle-strip-meta { display: flex; justify-content: space-between; gap: 10px; margin-top: 8px; color: var(--muted); font-size: 9px; }
.muscle-scroll-hint { color: #D5A776; white-space: nowrap; font-weight: 800; }
.muscle-strip-shell { position: relative; }
.muscle-edge-cue {
  position: absolute; right: -2px; top: 50%; transform: translateY(-50%); width: 24px; height: 36px;
  display: grid; place-items: center; border-radius: 999px; color: #F0C28E; font-size: 24px; font-weight: 700;
  background: linear-gradient(90deg, rgba(32,32,32,0), rgba(32,32,32,.95) 45%); pointer-events: none;
}

.selection-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 12px; margin-bottom: 9px; }
.selection-card .selection-title { font-size: 18px; font-weight: 850; }
.selection-card .selection-copy { color: var(--muted); font-size: 11px; line-height: 1.45; margin-top: 4px; }
.progress-track { height: 5px; background: #202224; border-radius: 99px; overflow: hidden; margin-top: 10px; }
.progress-track span { display: block; height: 100%; background: var(--amber); border-radius: 99px; transition: width .2s ease; }

.selected-slots { display: grid; gap: 7px; margin: 9px 0; }
.selected-slot { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; gap: 9px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 9px; }
.slot-number { width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; background: var(--blue-grey); font-size: 10px; font-weight: 900; }
.slot-main { min-width: 0; }
.slot-name { font-size: 12px; font-weight: 800; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.slot-detail { color: var(--muted); font-size: 9px; margin-top: 2px; }

.toolbar { display: flex; gap: 7px; align-items: center; margin: 9px 0; }
.search {
  flex: 1; min-width: 0; min-height: 44px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface); color: var(--text); padding: 10px 11px; outline: 0; font-size: 13px;
}
.search:focus { border-color: var(--teal); }

.exercise-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.exercise-tile { position: relative; min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.exercise-tile.selected { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal) inset; }
.exercise-thumb { aspect-ratio: 1; background: #252729; overflow: hidden; display: grid; place-items: center; }
.exercise-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.exercise-body { padding: 8px; }
.exercise-name { min-height: 39px; font-size: 11px; line-height: 1.2; font-weight: 850; }
.exercise-meta { color: var(--muted); font-size: 9px; margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }


.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-raised);
  color: var(--text);
  font-size: 11px;
  font-weight: 850;
  line-height: 1.1;
  text-align: center;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.035);
  transition: transform .12s ease, background-color .12s ease, border-color .12s ease;
}
.button:hover { background: #3A3D40; border-color: #5D6369; }
.button.primary { background: var(--amber); border-color: var(--amber); color: #171717; }
.button.teal { background: var(--teal); border-color: var(--teal); color: #101617; }
.button.ghost { background: transparent; }
.button.danger { background: #443334; color: #FFDADA; border-color: #765050; }
.button.danger:hover { background: #50393A; border-color: #8A5C5C; }
.button.compact { min-height: 36px; padding: 6px 9px; font-size: 10px; }
.button[disabled] { opacity: .38; pointer-events: none; }
.button:active { transform: scale(.985); }
.pick-button { width: 100%; min-height: 40px; margin-top: 7px; }
.exercise-tile.selected .pick-button { background: var(--teal); border-color: var(--teal); color: #101617; }

.summary { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 12px; }
.summary-row { display: grid; grid-template-columns: 92px minmax(0, 1fr) auto; gap: 8px; align-items: start; padding: 8px 0; border-bottom: 1px solid rgba(91,102,115,.45); }
.summary-row:last-child { border-bottom: 0; }
.summary-muscle { color: var(--amber); font-size: 11px; font-weight: 900; }
.summary-names { font-size: 11px; line-height: 1.4; }
.summary-sets { color: var(--muted); font-size: 10px; white-space: nowrap; }

.start-bar {
  position: sticky; bottom: calc(76px + env(safe-area-inset-bottom)); z-index: 12; margin-top: 14px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px;
  background: rgba(43,43,43,.95); backdrop-filter: blur(16px); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow);
}
.start-copy strong { display: block; font-size: 12px; }
.start-copy span { display: block; color: var(--muted); font-size: 9px; margin-top: 2px; }

.workout-card { padding: 12px; margin-bottom: 11px; }
.card-header { display: flex; align-items: start; justify-content: space-between; gap: 10px; }
.muscle-label { color: var(--amber); text-transform: uppercase; letter-spacing: .09em; font-size: 9px; font-weight: 900; }
.exercise-title { font-size: 17px; font-weight: 850; margin-top: 3px; }
.small { color: var(--muted); font-size: 10px; line-height: 1.4; }
.demo { margin-top: 9px; overflow: hidden; border-radius: 13px; background: #252729; min-height: 180px; display: grid; place-items: center; }
.demo img { width: 100%; max-height: 300px; object-fit: contain; display: block; }
.previous-line { display: flex; justify-content: space-between; gap: 8px; margin-top: 8px; color: var(--muted); font-size: 10px; }

.set-table { margin-top: 10px; display: grid; gap: 6px; }
.set-row { display: grid; grid-template-columns: 34px 1fr 1fr 48px; gap: 6px; align-items: center; }
.set-number { color: var(--muted); font-size: 10px; font-weight: 850; text-align: center; }
.set-input { min-width: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-raised); padding: 7px 8px; }
.set-input label { display: block; color: var(--muted); font-size: 7px; letter-spacing: .07em; margin-bottom: 2px; }
.set-input input { width: 100%; border: 0; background: transparent; color: var(--text); outline: 0; padding: 0; font-weight: 850; font-size: 15px; }
.set-done { width: 44px; height: 44px; border-radius: 11px; border: 1px solid var(--line); background: var(--surface-raised); color: var(--muted); font-weight: 900; }
.set-done.done { background: var(--teal); color: #101617; border-color: var(--teal); }

.note { width: 100%; min-height: 58px; resize: vertical; margin-top: 9px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-raised); color: var(--text); padding: 9px; font-size: 12px; outline: 0; }
.note:focus { border-color: var(--teal); }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 8px; }

.rest-bar[hidden] { display: none !important; }

.rest-bar {
  position: fixed; z-index: 40; left: 50%; transform: translateX(-50%); bottom: calc(78px + env(safe-area-inset-bottom));
  width: min(370px, calc(100% - 28px)); display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 12px; border: 1px solid #4C797B; border-radius: 16px; background: rgba(39,52,54,.96); backdrop-filter: blur(16px); box-shadow: var(--shadow);
}
.rest-bar div { display: flex; align-items: baseline; gap: 8px; }
.rest-bar strong { font-size: 11px; }
.rest-bar span { color: #98C4C6; font-size: 18px; font-weight: 900; font-variant-numeric: tabular-nums; }
.rest-end-button { flex: 0 0 auto; border-color: rgba(184,115,51,.8); color: #F1C28D; background: rgba(184,115,51,.14); }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-bottom: 12px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 10px; color: var(--text); text-align: left; min-width: 0; }
.stat strong { display: block; font-size: 18px; line-height: 1.05; overflow-wrap: anywhere; }
.stat span { display: block; color: var(--muted); font-size: 9px; margin-top: 3px; }
.stat-button { position: relative; width: 100%; cursor: pointer; transition: border-color .16s ease, background .16s ease, transform .16s ease; }
.stat-button::after { content: "›"; position: absolute; right: 9px; top: 8px; color: var(--amber); font-size: 17px; font-weight: 800; }
.stat-button small { display: block; color: #D5A776; font-size: 7px; font-weight: 750; margin-top: 7px; }
@media (hover:hover) and (pointer:fine) { .stat-button:hover { border-color: var(--teal); background: var(--surface-raised); } }
.stat-button:active { transform: scale(.985); }
.progress-stats .stat:nth-child(2) { box-shadow: inset 0 -2px 0 rgba(184,115,51,.72); }
.progress-stats .stat:nth-child(3) { box-shadow: inset 0 -2px 0 rgba(76,140,143,.72); }
.weight-entry { display: grid; grid-template-columns: 1fr auto; gap: 7px; }
.weight-entry input { min-height: 44px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); color: var(--text); padding: 9px 11px; outline: 0; }
.weight-chart-wrap { margin-bottom: 10px; padding: 11px 11px 7px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.weight-chart-wrap.compact { margin-top: 12px; }
.weight-chart-summary { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 3px; }
.weight-chart-summary strong { font-size: 17px; }
.weight-chart-summary span { color: var(--muted); font-size: 9px; }
.weight-chart { display: block; width: 100%; height: auto; overflow: visible; }
.weight-grid { stroke: rgba(177,176,170,.18); stroke-width: 1; }
.weight-line { fill: none; stroke: var(--teal); stroke-width: 5; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.weight-dots circle { fill: var(--amber); stroke: var(--surface); stroke-width: 3; vector-effect: non-scaling-stroke; }
.weight-axis { fill: var(--muted); font-size: 15px; font-weight: 700; }
.weight-axis.end { text-anchor: end; }
.weight-axis.value { font-size: 13px; opacity: .72; }
.weight-history { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.weight-history span { color: var(--muted); font-size: 9px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 5px 7px; }
.tracker-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 7px; margin: 10px 0; }
.tracker-metric { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 11px; min-width: 0; }
.tracker-metric strong { display: block; font-size: 19px; overflow-wrap: anywhere; }
.tracker-metric span { display: block; color: var(--muted); font-size: 9px; margin-top: 4px; }
.tracker-strip { display: flex; flex-wrap: wrap; gap: 6px; margin: 9px 0 14px; }
.tracker-strip > span { padding: 6px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: 9px; }
.tracker-heading { margin-top: 17px; }
.tracker-heading h3 { margin: 0; font-size: 14px; }
.set-tracker-list { display: grid; gap: 7px; }
.set-tracker-row { display: grid; grid-template-columns: minmax(88px, auto) minmax(80px,1fr) 28px; gap: 9px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 9px; }
.set-tracker-row > div:first-child { min-width: 0; }
.set-tracker-row strong { display: block; font-size: 10px; }
.set-tracker-row span { display: block; color: var(--muted); font-size: 8px; margin-top: 2px; }
.set-tracker-row b { text-align: right; font-size: 11px; }
.set-mini-bar { height: 6px; border-radius: 999px; overflow: hidden; background: #202224; }
.set-mini-bar > span { display: block; height: 100%; margin: 0; background: var(--amber); border-radius: inherit; }
.history-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 11px; margin-bottom: 8px; }
.history-head { display: flex; justify-content: space-between; gap: 10px; }
.history-details { color: var(--muted); font-size: 10px; margin-top: 5px; line-height: 1.45; }

.empty, .error {
  padding: 18px; text-align: center; border-radius: var(--radius-lg); font-size: 12px; line-height: 1.5;
}
.empty { color: var(--muted); background: var(--surface); border: 1px dashed var(--line); }
.error { color: #FFDADA; background: #443030; border: 1px solid #735050; }
.actions { display: flex; flex-wrap: wrap; gap: 7px; }
.data-panel { padding: 12px; }
.data-summary { margin-bottom: 10px; }
.data-panel .actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.data-panel .button { width: 100%; }

.bottom-nav {
  position: fixed; z-index: 30; left: 0; right: 0; bottom: 0;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: rgba(32,32,32,.96); backdrop-filter: blur(18px); border-top: 1px solid var(--line);
}
.bottom-nav-inner { width: min(820px, 100%); margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; }
.nav-button { min-height: 48px; background: transparent; border: 0; border-radius: 11px; color: var(--muted); font-weight: 800; font-size: 11px; }
.nav-button.active { color: var(--text); background: rgba(91,102,115,.38); }

.modal { position: fixed; z-index: 60; inset: 0; background: rgba(0,0,0,.68); padding: calc(18px + env(safe-area-inset-top)) 12px calc(18px + env(safe-area-inset-bottom)); overflow-y: auto; }
.modal-panel { width: min(760px, 100%); margin: auto; background: var(--background); border: 1px solid var(--line); border-radius: 22px; padding: 13px; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.modal-header { display: flex; align-items: start; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.modal-header h2 { margin: 0; font-size: 19px; }

.toast {
  position: fixed; z-index: 80; left: 50%; transform: translate(-50%, 16px); top: calc(14px + env(safe-area-inset-top));
  max-width: calc(100% - 28px); padding: 9px 12px; border-radius: 12px; background: #111; color: white; font-size: 11px;
  opacity: 0; pointer-events: none; transition: .18s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 520px) {
  .app { padding-left: 12px; padding-right: 12px; }
  .day-tab { font-size: 10px; }
  .body-map { height: 335px; }
  .exercise-grid { gap: 6px; }
  .exercise-name { font-size: 10px; min-height: 36px; }
  .exercise-body { padding: 7px; }
  .summary-row { grid-template-columns: 78px minmax(0,1fr) auto; }
  .toolbar { align-items: stretch; }
}

@media (min-width: 620px) {
  .muscle-scroll-hint, .muscle-edge-cue { display: none; }
}

@media (max-width: 360px) {
  .exercise-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* v16 release hardening */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { overscroll-behavior-y: none; }
button { user-select: none; -webkit-user-select: none; }
.bottom-nav, .rest-bar, .start-bar { -webkit-backdrop-filter: blur(16px); }
.workout-actions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; margin-top: 10px; }
.preference-groups { display: grid; gap: 9px; }
.preference-group { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 10px; }
.preference-label { color: var(--amber); font-size: 10px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }
.preference-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 8px; padding: 6px 0; border-top: 1px solid rgba(91,102,115,.35); }
.preference-row:first-of-type { border-top: 0; }
.preference-row span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.demo-unavailable { color: var(--muted); font-size: 10px; padding: 12px; text-align: center; }

@media (max-width: 520px) {
  /* Prevent Safari from zooming the PWA when a logging field receives focus. */
  input, textarea, .search, .set-input input, .note, .weight-entry input { font-size: 16px; }
  .workout-actions { grid-template-columns: 1fr; }
  .data-panel .actions { grid-template-columns: 1fr; }
  .muscle-strip-meta { font-size: 10px; }
}

/* v16.1 exercise picker — keep the grid visual and move preferences into the detail sheet. */
.exercise-preview {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  text-align: left;
}
.exercise-thumb {
  background: #E9E8E2;
  border-bottom: 1px solid var(--line);
}
.exercise-thumb img {
  object-fit: contain;
  background: #E9E8E2;
}
.preview-hint {
  position: absolute;
  right: 7px;
  bottom: 7px;
  padding: 4px 7px;
  border-radius: 999px;
  background: rgba(43, 43, 43, .88);
  border: 1px solid rgba(255, 255, 255, .14);
  color: #F2F1EC;
  font-size: 8px;
  font-weight: 850;
  letter-spacing: .01em;
  pointer-events: none;
}
.exercise-name-link {
  display: block;
  width: 100%;
  min-height: 39px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 850;
  text-align: left;
  cursor: pointer;
}
.exercise-tile.is-favourite {
  border-color: rgba(184, 115, 51, .7);
  box-shadow: inset 0 0 0 1px rgba(184, 115, 51, .16);
}

.exercise-detail-demo {
  width: 100%;
  min-height: 260px;
  max-height: min(52vh, 470px);
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #E9E8E2;
}
.exercise-detail-demo img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: min(52vh, 470px);
  object-fit: contain;
  background: #E9E8E2;
}
.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
}
.detail-meta-row span {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 10px;
}
.detail-meta-row .detail-pref-state {
  color: #F0C28E;
  border-color: rgba(184, 115, 51, .55);
}
.detail-instructions {
  margin: 10px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}
.detail-instructions strong { font-size: 12px; }
.detail-instructions p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
  white-space: pre-line;
}
.detail-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  margin-top: 10px;
}
.detail-actions .button { min-width: 0; padding-inline: 8px; }
.detail-choose { width: 100%; margin-top: 8px; }

.rest-bar {
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.rest-bar > div { display: flex; align-items: baseline; gap: 10px; }
.rest-bar small { color: var(--muted); font-size: 10px; text-align: right; }
.rest-locked { opacity: .72; }
.set-done[disabled] { cursor: not-allowed; opacity: .5; }

.exercise-use-cue, .workout-use-cue {
  margin-top: 5px; color: #D5A776; font-size: 9px; line-height: 1.35;
}
.workout-use-cue { max-width: 420px; }
.warmup-panel {
  margin: 14px 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--surface);
}
.warmup-heading {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 15px;
}
.warmup-heading > span { display: grid; gap: 3px; }
.warmup-heading strong { font-size: 14px; }
.warmup-heading small { color: var(--muted); font-size: 10px; }
.warmup-heading > b { color: #D5A776; font-size: 11px; white-space: nowrap; }
.warmup-list { display: grid; border-top: 1px solid var(--line); }
.warmup-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: start; padding: 12px 15px; border-bottom: 1px solid rgba(75,80,85,.65);
}
.warmup-row div { display: grid; gap: 4px; }
.warmup-row strong { font-size: 11px; }
.warmup-row span { color: var(--muted); font-size: 10px; line-height: 1.45; }
.warmup-row > b { color: var(--teal); font-size: 9px; white-space: nowrap; }
.warmup-safety { padding: 10px 15px; color: var(--muted); font-size: 9px; line-height: 1.4; background: rgba(76,140,143,.07); }
.fitness-finish {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 14px 0; padding: 14px 15px;
  border: 1px solid rgba(76,140,143,.65); border-radius: var(--radius-xl); background: rgba(76,140,143,.1);
}
.fitness-finish > div { display: grid; gap: 4px; }
.fitness-finish > div > strong { font-size: 14px; }
.fitness-finish > div > span { color: var(--muted); font-size: 10px; line-height: 1.45; }
.fitness-finish > b { flex: 0 0 auto; color: #98C4C6; font-size: 14px; }

@media (max-width: 520px) {
  .exercise-name-link { font-size: 10px; min-height: 36px; }
  .preview-hint { right: 5px; bottom: 5px; }
  .exercise-detail-demo { min-height: 220px; }
  .detail-actions { grid-template-columns: 1fr; }
  .rest-bar { align-items: center; }
  .rotation-note { align-items: flex-start; flex-direction: column; gap: 4px; }
  .rotation-note span { text-align: left; }
  .warmup-row { grid-template-columns: 1fr; gap: 6px; }
  .fitness-finish { align-items: flex-start; }
}

/* v16.3 gym usability polish */
.setup-note-wrap { margin-top: 10px; }
.setup-note-label { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; color: var(--text); font-size: 10px; font-weight: 900; }
.setup-note-label small { color: var(--muted); font-size: 9px; font-weight: 650; }
.setup-note-wrap .note { margin-top: 5px; }
.previous-line strong { color: var(--text); }
.finish-summary-line {
  margin: 0 0 11px; padding: 12px 14px; border: 1px solid rgba(76,140,143,.55); border-radius: 14px;
  background: rgba(76,140,143,.12); color: var(--text); text-align: center; font-size: 14px; font-weight: 900;
}
.finish-next-card { padding: 12px; }
.finish-next-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.finish-best { min-width: 72px; text-align: right; }
.finish-best strong { display: block; color: var(--amber); font-size: 18px; }
.finish-best span { color: var(--muted); font-size: 9px; }
.finish-pbs { margin-top: 9px; padding-top: 9px; border-top: 1px solid rgba(91,102,115,.4); }
.swap-current { display: grid; gap: 3px; margin-bottom: 13px; padding: 10px 11px; background: var(--surface); border: 1px solid var(--line); border-radius: 13px; }
.swap-current strong { font-size: 13px; }
.swap-heading { margin-top: 0; }
.swap-heading h3 { margin: 0; font-size: 14px; }
.swap-recommended { margin-bottom: 12px; }
.swap-more { margin-top: 8px; border-top: 1px solid var(--line); padding-top: 8px; }
.swap-more summary { cursor: pointer; color: var(--teal); font-size: 11px; font-weight: 900; padding: 8px 2px 10px; }
.swap-more[open] summary { margin-bottom: 6px; }
@media (max-width: 520px) {
  .previous-line { flex-direction: column; gap: 3px; }
  .finish-summary-line { font-size: 13px; }
}