:root {
  color-scheme: light;
  --bg: #f4f1ea;
  --ink: #1c1915;
  --muted: #6b655c;
  --line: #ddd6c8;
  --card: #fffdf8;
  --accent: #2a5bff;
  --accent-ink: #fff;
  --timer: #e87b00;
  --done: #2a5bff;
  --danger: #b5441a;
  font-family: "Atkinson Hyperlegible", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
}

body {
  padding: max(1rem, env(safe-area-inset-top)) 1rem calc(1.5rem + env(safe-area-inset-bottom));
}

#app {
  width: min(28rem, 100%);
  margin: 0 auto;
}

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}

h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h2 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.25;
}

.wake,
.progress,
.muted,
.meta {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 400;
}

.meta {
  margin: 0.28rem 0 0;
}

.progress {
  margin: 0.85rem 0 0.35rem;
}

.error {
  background: color-mix(in srgb, var(--danger) 12%, var(--bg));
  color: var(--danger);
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
}

.stack {
  display: grid;
  gap: 0;
}

.exercise {
  padding: 1.35rem 0 1.45rem;
  border-bottom: 1px solid var(--line);
}

.exercise:last-child {
  border-bottom: 0;
}

.cues {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink);
}

.how-to {
  margin-top: 0.65rem;
  color: var(--muted);
}

.how-to p {
  margin: 0.4rem 0 0;
  line-height: 1.45;
}

.clock {
  font-variant-numeric: tabular-nums;
  font-size: 3.25rem;
  font-weight: 700;
  margin: 0.7rem 0 0.35rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.clock--live {
  color: color-mix(in srgb, var(--timer) 70%, var(--ink));
}

.clock--done {
  color: color-mix(in srgb, var(--done) 48%, var(--ink));
}

.sets {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.set,
.btn {
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  padding: 0.7rem 0.9rem;
  white-space: nowrap;
  transition: background-color 160ms cubic-bezier(0.16, 1, 0.3, 1);
}

.set {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.6rem;
  align-items: center;
  text-align: left;
  width: 100%;
}

.set--done {
  color: color-mix(in srgb, var(--done) 55%, var(--ink));
  border-color: color-mix(in srgb, var(--done) 28%, var(--line));
}

.row {
  display: flex;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.row .btn {
  flex: 1;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
  font-weight: 700;
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, var(--ink));
}

.btn:disabled {
  opacity: 0.45;
}

.back-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 0.35rem;
  margin: 0 0 0.2rem;
}

.back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
  text-decoration: none;
  font-size: 1rem;
}

.history-row,
.library-row {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 1.05rem 0;
  min-height: 44px;
  border-bottom: 1px solid var(--line);
}

.history-row:last-child,
.library-row:last-child {
  border-bottom: 0;
}

.history-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.empty {
  color: var(--muted);
  margin: 1.25rem 0 0;
  line-height: 1.45;
}

.tabs {
  display: flex;
  margin: 1.15rem 0 0.35rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--card);
}

.tab {
  flex: 1;
  display: grid;
  place-items: center;
  min-height: 44px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 1rem;
}

.tab + .tab {
  border-left: 1px solid var(--line);
}

.tab--on {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.search {
  width: 100%;
  min-height: 44px;
  margin: 0.85rem 0 0.35rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  caret-color: var(--accent);
  font: inherit;
  padding: 0.7rem 0.9rem;
}

.search::placeholder {
  color: var(--muted);
}

.library-row .row {
  margin-top: 0.7rem;
}

.done-mark {
  color: color-mix(in srgb, var(--done) 55%, var(--ink));
  font-size: 0.875rem;
  font-weight: 700;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
}