:root {
  --bg: #121212; --surface: #1b1b1a; --surface-2: #252523; --line: #2e2d2a;
  --text: #f2eee7; --muted: #8d8981; --faint: #5f5c56;
  --accent: #3f6fff; --accent-dim: rgba(63,111,255,.17); --on-accent: #ffffff;
  --display: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --sans: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --tab-h: 68px;
}
* { box-sizing: border-box; }
html { color-scheme: dark; scroll-padding-bottom: 100px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.45 var(--sans); -webkit-font-smoothing: antialiased; padding-bottom: calc(var(--tab-h) + 40px + env(safe-area-inset-bottom)); }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
a { color: var(--text); text-underline-offset: 4px; text-decoration-color: var(--faint); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
h1, h2, h3, p { margin: 0; }
[hidden] { display: none !important; }
.lower { --c: var(--accent); }
.upper { --c: var(--text); }

.top, main { width: min(720px, 100% - 32px); margin-inline: auto; }
.top { display: flex; justify-content: space-between; align-items: center; height: 60px; }
.wordmark { font: 700 20px/1 var(--display); letter-spacing: .06em; text-transform: uppercase; }
.wordmark em { color: var(--accent); font-style: normal; margin: 0 2px; }
.sync { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); }
.sync-dot { width: 7px; height: 7px; border-radius: 50%; background: #c9962f; }
.sync.live .sync-dot { background: #5bc07a; }

/* hero */
.hero { padding: 28px 0 8px; }
.eyebrow { display: flex; gap: 10px; align-items: baseline; color: var(--muted); font-size: 14px; }
.eyebrow b { color: var(--accent); font: 600 15px/1 var(--display); letter-spacing: .14em; text-transform: uppercase; }
.focus { margin-top: 22px; }
.focus small { display: block; color: var(--muted); font-size: 13px; margin-bottom: 2px; }
.focus h1 { font: 700 clamp(60px, 17vw, 112px)/.9 var(--display); text-transform: uppercase; letter-spacing: -.005em; color: var(--c, var(--text)); }
.focus h1.muted { color: var(--faint); }
.cta { margin-top: 32px; display: flex; align-items: center; justify-content: space-between; width: 100%; height: 58px; padding: 0 22px; border-radius: 12px; background: var(--accent); color: var(--on-accent); font-weight: 700; font-size: 16px; }
.cta:active { transform: scale(.985); }
.hint { color: var(--muted); font-size: 13px; line-height: 1.5; }
#panel-today > .hint { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }

/* week strip */
.strip-head { margin: 40px 0 12px; font: 600 14px/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.strip { display: flex; gap: 8px; overflow-x: auto; scroll-snap-type: x mandatory; margin-inline: -16px; padding: 0 16px 6px; scrollbar-width: none; }
.strip::-webkit-scrollbar { display: none; }
.day { flex: 0 0 104px; scroll-snap-align: start; text-align: left; padding: 12px; border-radius: 12px; background: var(--surface); border: 1px solid transparent; display: flex; flex-direction: column; gap: 3px; }
.day[aria-pressed="true"] { border-color: var(--accent); background: var(--surface-2); }
.dow { font-size: 12px; color: var(--muted); }
.num { font: 700 30px/1 var(--display); margin-bottom: 6px; }
.mini { font-size: 12px; line-height: 1.2; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini.lower { color: var(--accent); }
.mini.upper { color: var(--text); }

/* calendar */
.month-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 12px; padding: 24px 0 14px; }
h1#monthTitle, #panel-exercises > h1 { font: 700 40px/.95 var(--display); text-transform: uppercase; }
h1#monthTitle { flex: 1 1 200px; min-width: 0; }
.month-nav { display: flex; gap: 6px; }
.chip-btn { min-width: 44px; height: 44px; border-radius: 10px; background: var(--surface); font-size: 22px; line-height: 1; }
.chip-btn.wide { padding: 0 16px; font-size: 14px; font-weight: 500; }
.chip-btn:hover { background: var(--surface-2); }
.legend { display: flex; gap: 18px; color: var(--muted); font-size: 13px; margin-bottom: 14px; }
.legend span { display: flex; align-items: center; gap: 7px; }
.k { width: 9px; height: 9px; border-radius: 50%; background: var(--c); }
.weekdays, .month-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.weekdays { font-size: 12px; color: var(--faint); text-align: center; margin-bottom: 4px; }
.cell { min-width: 0; aspect-ratio: 1 / 1.05; border-radius: 10px; background: var(--surface); padding: 7px 4px; display: flex; flex-direction: column; align-items: center; gap: 8px; border: 1px solid transparent; }
.cell.empty { background: none; }
.cell.none { background: none; border: 1px dashed var(--line); color: var(--faint); cursor: default; }
.cell:not(.none):not(.empty):hover { background: var(--surface-2); }
.cell.today { border-color: var(--accent); }
.cell.today .n { color: var(--accent); }
.n { font: 600 19px/1 var(--display); }
.dots { display: flex; flex-direction: column; gap: 4px; width: 100%; align-items: center; }
.dots i { display: block; width: 62%; height: 4px; border-radius: 2px; background: var(--c); }
.names { display: none; }

/* exercises */
#panel-exercises { padding-top: 24px; }
.search { width: 100%; height: 48px; margin: 18px 0 12px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); color: var(--text); font: inherit; outline: none; }
.search::placeholder { color: var(--faint); }
.search:focus { border-color: var(--accent); }
.chips { display: flex; gap: 6px; overflow-x: auto; margin-inline: -16px; padding: 0 16px 4px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; height: 38px; padding: 0 15px; border-radius: 999px; background: var(--surface); color: var(--muted); font-size: 14px; font-weight: 500; }
.chip.on { background: var(--accent); color: var(--on-accent); font-weight: 700; }
.nextup { margin-top: 20px; padding: 18px; border-radius: 14px; background: var(--surface); }
.nextup h3, .group h3 { font: 700 22px/1 var(--display); text-transform: uppercase; letter-spacing: .03em; }
.rows { margin-top: 10px; }
.row { width: 100%; display: grid; grid-template-columns: 96px 1fr 12px; gap: 10px; align-items: center; text-align: left; padding: 12px 0; border-top: 1px solid var(--line); }
.row .when b { display: block; font-size: 15px; }
.row .when small { color: var(--muted); font-size: 12px; }
.row .with { font-size: 14px; color: var(--muted); }
.row em { font-style: normal; font-weight: 700; color: var(--c); }
.row > span:last-child { color: var(--faint); font-size: 18px; }
.group { margin-top: 30px; }
.group h3 small { font: 500 13px var(--sans); color: var(--muted); margin-left: 6px; letter-spacing: 0; }
.list { list-style: none; margin: 10px 0 0; padding: 0; }
.list li { display: flex; justify-content: space-between; gap: 14px; align-items: center; padding: 13px 0; border-top: 1px solid var(--line); }
.list li b { font-weight: 500; font-size: 16px; }
.list li p { color: var(--muted); font-size: 13px; margin-top: 2px; }
.badge { flex: none; font-size: 11px; font-weight: 700; color: var(--accent); background: var(--accent-dim); padding: 4px 8px; border-radius: 6px; letter-spacing: .02em; }
.common { flex: none; font-size: 12px; color: var(--faint); }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); display: grid; gap: 8px; font-size: 13px; color: var(--muted); }
footer p { line-height: 1.55; margin-bottom: 6px; }

/* tab bar */
.tabbar { position: fixed; left: 50%; bottom: calc(12px + env(safe-area-inset-bottom)); transform: translateX(-50%); width: min(420px, 100% - 24px); height: var(--tab-h); display: grid; grid-template-columns: repeat(3, 1fr); padding: 6px; border-radius: 20px; background: rgba(32,32,30,.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--line); z-index: 5; }
.tab { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; border-radius: 14px; color: var(--muted); font-size: 12px; font-weight: 500; }
.tab svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tab[aria-selected="true"] { color: #8fa9ff; background: var(--accent-dim); }

/* bottom sheet */
.sheet { position: fixed; inset: auto 0 0 0; margin: 0 auto; width: min(680px, 100%); max-width: 100%; max-height: 90dvh; height: auto; padding: 0; border: 0; border-radius: 22px 22px 0 0; background: var(--surface); color: var(--text); overflow: hidden; transition: transform .2s ease; }
.sheet[open] { animation: rise .28s cubic-bezier(.2,.8,.2,1); display: flex; flex-direction: column; }
.sheet::backdrop { background: rgba(0,0,0,.6); animation: fade .25s ease; }
@keyframes rise { from { transform: translateY(100%); } }
@keyframes fade { from { opacity: 0; } }
.sheet-grip { flex: none; height: 30px; display: grid; place-items: center; touch-action: none; cursor: grab; }
.sheet-grip i { width: 40px; height: 4px; border-radius: 2px; background: var(--faint); }
.sheet-close { position: absolute; top: 8px; right: 12px; width: 40px; height: 40px; border-radius: 50%; font-size: 24px; color: var(--muted); }
.sheet-body { overflow-y: auto; padding: 2px 20px calc(28px + env(safe-area-inset-bottom)); overscroll-behavior: contain; }
.sheet-date { color: var(--muted); font-size: 14px; }
.sheet h2 { font: 700 clamp(38px, 9vw, 54px)/.95 var(--display); text-transform: uppercase; margin: 6px 0 22px; }
.sec { margin-bottom: 22px; }
.sec header { display: flex; flex-direction: column; }
.sec small { color: var(--muted); font-size: 13px; }
.sec h3 { font: 700 28px/1.05 var(--display); text-transform: uppercase; color: var(--c); }
.sec .list li { padding: 10px 0; }
.sec .list li b { font-size: 15px; }
.core-note { font-size: 13px; line-height: 1.55; color: var(--muted); padding: 14px 16px; border-radius: 12px; background: var(--surface-2); }
.core-note b { color: var(--text); font-weight: 500; }

@media (min-width: 760px) {
  body { font-size: 17px; }
  .top, main { width: min(880px, 100% - 64px); }
  .hero { padding-top: 56px; }
  .cta { width: auto; min-width: 280px; gap: 24px; }
  .strip { margin-inline: 0; padding-inline: 0; }
  .day { flex: 1 0 0; }
  .chips, .strip { flex-wrap: wrap; overflow: visible; margin-inline: 0; padding-inline: 0; }
  .strip { flex-wrap: nowrap; }
  .cell { aspect-ratio: auto; min-height: 104px; align-items: flex-start; padding: 10px; gap: 8px; }
  .dots { display: none; }
  .names { display: flex; flex-direction: column; gap: 3px; width: 100%; text-align: left; }
  .names b { display: block; font-size: 12px; font-weight: 500; line-height: 1.2; color: var(--c); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .cell .n { font-size: 20px; }
  .sheet { bottom: 24px; border-radius: 22px; max-height: 84dvh; }
}
@media (prefers-reduced-motion: reduce) { .sheet[open], .sheet::backdrop { animation: none; } .sheet { transition: none; } }

/* ---- attendance, log tab ---- */
.tabbar { grid-template-columns: repeat(4, 1fr); width: min(460px, 100% - 24px); }
.went { margin-top: 12px; width: 100%; height: 48px; border-radius: 12px; border: 1px solid var(--line); background: transparent; color: var(--text); font-weight: 500; font-size: 15px; }
.went.on { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); font-weight: 700; }
.sheet-body .went { margin: 0 0 22px; }
.tick { font-style: normal; font-size: 12px; color: var(--accent); margin-left: 3px; vertical-align: 2px; }
.list li.mv { align-items: center; }
.mv-text { flex: 1; min-width: 0; }
.sec .mv-text { flex: 1; min-width: 0; }
.mv-text b { font-weight: 500; font-size: 16px; display: block; }
.sec .mv-text b { font-size: 15px; }
.mv-text p { color: var(--muted); font-size: 13px; margin-top: 2px; }
#syncForm label { display: grid; gap: 5px; font-size: 12px; color: var(--muted); }
#syncForm input { height: 44px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; outline: none; }
#syncForm input:focus { border-color: var(--accent); }
.mv-actions { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.mv-actions small { margin-left: auto; color: var(--faint); font-size: 12px; }
.save { height: 40px; padding: 0 18px; border-radius: 10px; background: var(--accent); color: var(--on-accent); font-weight: 700; font-size: 14px; }
.ghost { height: 40px; padding: 0 14px; border-radius: 10px; color: var(--muted); font-size: 14px; }
.sec.core h3 { color: var(--text); }
.sec.core .hint { margin: 6px 0 8px; }
.sec details { margin-top: 10px; }
.sec summary { cursor: pointer; color: var(--muted); font-size: 13px; padding: 8px 0; }
#panel-log { padding-top: 24px; }
#panel-log > h1 { font: 700 40px/.95 var(--display); text-transform: uppercase; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 18px; }
.stats div { background: var(--surface); border-radius: 12px; padding: 14px; display: grid; gap: 2px; }
.stats b { font: 700 40px/1 var(--display); color: var(--accent); }
.stats span { font-size: 12px; color: var(--muted); }
.sub { margin: 32px 0 10px; font: 600 14px/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.bar { display: grid; grid-template-columns: 104px 1fr 22px; gap: 10px; align-items: center; padding: 6px 0; font-size: 14px; }
.bar i { display: block; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--accent) var(--w), var(--surface-2) var(--w)); }
.bar b { text-align: right; font-weight: 500; color: var(--muted); }
.card { background: var(--surface); border-radius: 14px; padding: 18px; display: grid; gap: 12px; }
#syncForm { display: grid; gap: 12px; }
.list li p
/* ---- booked classes ---- */
.booked { display: flex; gap: 10px; align-items: center; margin-top: 22px; padding: 12px 14px; border-radius: 12px; background: var(--accent-dim); border-left: 3px solid var(--accent); font-size: 14px; }
.booked b { color: #8fa9ff; font: 700 13px/1 var(--display); letter-spacing: .12em; text-transform: uppercase; }
.booked + .cta { margin-top: 14px; }
.sheet-body .booked { margin: 4px 0 12px; }
.mini.bk-time { color: #8fa9ff; font-weight: 700; margin-top: 2px; }
.cell { position: relative; }
.cell .bk { position: absolute; top: 6px; right: 6px; width: 6px; height: 6px; border-radius: 50%; background: #8fa9ff; }
#upcoming .rows { margin-top: 0; }
#upcoming .row:first-child { border-top: 0; }
.steps { margin: 8px 0 0; padding-left: 20px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.steps li { margin-bottom: 6px; }
#calForm { display: grid; gap: 12px; }
#calForm label { display: grid; gap: 5px; font-size: 12px; color: var(--muted); }
#calForm input { height: 44px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; outline: none; }
#calForm input:focus { border-color: var(--accent); }
details summary { cursor: pointer; color: var(--muted); font-size: 13px; }