:root {
  --bg: #0a0a0a;
  --text: #f5f5f2;
  --muted: #8a8a86;
  --faint: #5a5a57;
  --line: #222221;
  --chip: #1a1a19;
  font-family: Inter, 'Helvetica Neue', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

button { font: inherit; color: inherit; }

.bar,
.page,
.foot {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding-left: 22px;
  padding-right: 22px;
}

/* ── Header ─────────────────────────────── */

.bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}

.text-btn {
  background: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}
.text-btn:hover:not(:disabled) { border-color: var(--text); }
.text-btn:disabled { color: var(--faint); cursor: default; }

/* ── Program picker ─────────────────────── */

.bar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.program { position: relative; }

.program-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--chip);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}
.program-btn:hover,
.program-btn[aria-expanded='true'] { border-color: var(--text); }
.program-btn svg,
.program-menu svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.program-btn svg { display: none; }
.program-btn[data-track='performance'] svg[data-icon='performance'] { display: block; }
.program-btn[data-track='engine'] svg[data-icon='engine'] { display: block; }

.program-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 20;
  min-width: 230px;
  padding: 6px;
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}
.program-menu [role='menuitemradio'] {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: none;
  border: 0;
  border-radius: 10px;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}
.program-menu [role='menuitemradio']:hover { background: #262625; }
.pm-text { display: grid; line-height: 1.3; }
.pm-text b { font-size: 0.85rem; font-weight: 800; letter-spacing: 0.02em; text-transform: uppercase; }
.pm-text small { font-size: 0.72rem; color: var(--muted); }
.pm-check { margin-left: auto; visibility: hidden; }
.is-current .pm-check { visibility: visible; }

/* ── Date navigation ────────────────────── */

.date-nav {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  padding: 40px 0 28px;
}

.icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 0;
  background: var(--chip);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.icon-btn:hover { background: #262625; }
.icon-btn svg,
.picker svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.date-label { text-align: center; }

.weekday {
  margin: 0 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.date {
  margin: 0;
  font-size: clamp(2.2rem, 10vw, 3.4rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.picker {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}
.picker:hover { color: var(--text); background: var(--chip); }
.picker svg { width: 15px; height: 15px; }
.picker input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
}

/* ── Week strip ─────────────────────────── */

.week {
  list-style: none;
  margin: 0;
  padding: 0 0 28px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  border-bottom: 1px solid var(--line);
}

.day {
  width: 100%;
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 10px 0 16px;
  border: 0;
  border-radius: 12px;
  background: none;
  cursor: pointer;
  position: relative;
}
.day:hover { background: var(--chip); }
.day .dow { font-size: 0.68rem; font-weight: 700; color: var(--muted); }
.day .num { font-size: 1.05rem; font-weight: 800; }
.day.has-workout::after {
  content: '';
  position: absolute;
  bottom: 5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--muted);
}
.day.is-today .num { text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 2px; }
.day.is-locked .num,
.day.is-locked .dow { color: var(--faint); }
.day.is-selected { background: var(--text); color: var(--bg); }
.day.is-selected .dow { color: var(--bg); opacity: 0.6; }
.day.is-selected::after { background: var(--bg); }

/* ── Workout ────────────────────────────── */

.workout { padding-bottom: 24px; }

.section {
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}
.section:last-child { border-bottom: 0; }

.section h2 {
  margin: 0 0 16px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.section h2 span { color: var(--text); }

.block + .block { margin-top: 26px; }

.block h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.015em;
}
.section-wod .block h3 {
  font-size: 1.75rem;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.block ul { list-style: none; margin: 0; padding: 0; }
.block li { font-size: 1.12rem; padding: 5px 0; }

.cap,
.notes { margin: 12px 0 0; font-size: 0.92rem; }
.cap { font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.78rem; }
.notes { color: var(--muted); }

.empty {
  margin: 0;
  padding: 72px 0;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--muted);
}
.empty p { margin: 0; }
.empty-sub {
  margin-top: 8px !important;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--faint);
}

/* ── Footer ─────────────────────────────── */

.foot {
  padding-top: 24px;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--faint);
}
.foot p { margin: 0; }

@media (min-width: 720px) {
  .date-nav { padding-top: 56px; }
  .block li { font-size: 1.2rem; }
}