:root {
  --bg: #0f1115;
  --surface: #181b21;
  --surface-2: #20242c;
  --surface-3: #2a2f39;
  --line: #2c313b;
  --text: #f2f3f5;
  --muted: #9aa1ad;
  --acc: #ff6b35;
  --acc-soft: rgba(255, 107, 53, .14);
  --ok: #35c47c;
  --ok-soft: rgba(53, 196, 124, .14);
  --danger: #ff5a5f;
  --radius: 18px;
  --safe-t: env(safe-area-inset-top);
  --safe-b: env(safe-area-inset-bottom);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f4f7; --surface: #ffffff; --surface-2: #f0f1f4; --surface-3: #e5e7ec; --line: #e3e5ea;
    --text: #15171c; --muted: #6b7280; --acc: #f05a1f; --acc-soft: rgba(240, 90, 31, .1);
    --ok: #17a862; --ok-soft: rgba(23, 168, 98, .12);
    color-scheme: light;
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  overscroll-behavior-y: none;
}
body.sheet-open { overflow: hidden; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; padding: 0; }
img { display: block; }
h1 { font-size: 30px; line-height: 1.1; margin: 2px 0 0; letter-spacing: -.02em; }
h2 { font-size: 22px; line-height: 1.2; margin: 6px 0 4px; letter-spacing: -.01em; }
h3 { font-size: 18px; margin: 4px 0; }
p { margin: 6px 0 12px; }

.screen { max-width: 640px; margin: 0 auto; padding: calc(var(--safe-t) + 14px) 16px calc(var(--safe-b) + 96px); }
.top { display: flex; align-items: flex-end; justify-content: space-between; margin: 6px 0 16px; }
.eyebrow { color: var(--muted); font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.intro { margin-top: -6px; }

.muted { color: var(--muted); }
.small { font-size: 13.5px; }
.strong { font-weight: 650; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.grow { flex: 1; min-width: 0; }
.row { display: flex; align-items: center; }
.between { justify-content: space-between; }
.gap { gap: 10px; flex-wrap: wrap; }
.block { display: flex; width: 100%; }
.tap { cursor: pointer; }
.tap:active { opacity: .7; }

.ico { display: inline-flex; width: 22px; height: 22px; flex: none; }
.ico svg { width: 100%; height: 100%; }
.ico.sm { width: 16px; height: 16px; }
.ico.muted { color: var(--muted); }
.ico.ok { color: var(--ok); }
.icon-btn { width: 40px; height: 40px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: var(--surface-2); flex: none; }
.icon-btn:active { background: var(--surface-3); }

/* cards */
.card { background: var(--surface); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; border: 1px solid var(--line); }
.card.flat { background: var(--surface-2); border: 0; padding: 14px; margin: 10px 0; }
.card.hero { background: linear-gradient(135deg, var(--acc-soft), transparent 70%), var(--surface); }
.label { font-size: 12.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.label.accent, .accent { color: var(--acc); }
.big { font-size: 28px; font-weight: 750; letter-spacing: -.02em; line-height: 1.1; }
.big .muted { font-size: 16px; font-weight: 500; }
.section-title { font-size: 13px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); margin: 22px 4px 10px; }
.section-title.row .link { text-transform: none; letter-spacing: 0; font-size: 15px; }

.pill { display: inline-flex; align-items: center; font-size: 12.5px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--surface-3); color: var(--text); }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.accent { background: var(--acc-soft); color: var(--acc); }
.pill.outline { background: none; border: 1px solid var(--line); color: var(--muted); }

/* buttons */
.btn { align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 0 20px; border-radius: 14px; font-weight: 650; font-size: 17px; background: var(--surface-2); margin: 10px 0; }
.btn.primary { background: var(--acc); color: #fff; }
.btn.primary:active { filter: brightness(.9); }
.btn.ghost { background: none; border: 1.5px dashed var(--line); color: var(--muted); }
.btn.danger-ghost { background: none; color: var(--danger); }
.btn.sm { min-height: 36px; padding: 0 16px; font-size: 15px; margin: 0; border-radius: 999px; }
.link { color: var(--acc); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; padding: 6px 0; }
.link.block { justify-content: center; }
.chip { padding: 8px 14px; border-radius: 999px; background: var(--surface-2); font-size: 14.5px; font-weight: 600; white-space: nowrap; }
.chip.on { background: var(--text); color: var(--bg); }
.chips { display: flex; gap: 8px; margin: 10px 0 6px; }
.scroll-x { overflow-x: auto; scrollbar-width: none; margin-left: -16px; margin-right: -16px; padding: 0 16px; }
.scroll-x::-webkit-scrollbar { display: none; }

/* week + ring */
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-top: 16px; }
.wday { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.wl { font-size: 12px; color: var(--muted); font-weight: 600; }
.wd { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--surface-2); font-size: 14px; font-weight: 600; }
.wday.today .wd { box-shadow: inset 0 0 0 2px var(--acc); }
.wday.walked .wd { box-shadow: inset 0 0 0 2px var(--acc); color: var(--acc); background: transparent; }
.wday.done .wd { background: var(--acc); color: #fff; }
.ring { --p: 0; width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--acc) calc(var(--p) * 360deg), var(--surface-3) 0); }
.ring span { width: 46px; height: 46px; border-radius: 50%; background: var(--surface); display: grid; place-items: center; font-size: 13px; font-weight: 700; }

/* next workout */
.next h2 { font-size: 26px; }
.ex-preview { list-style: none; padding: 0; margin: 12px 0 4px; counter-reset: n; }
.ex-preview li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); cursor: pointer; counter-increment: n; }
.ex-preview li::before { content: counter(n); color: var(--muted); font-weight: 700; width: 18px; flex: none; }
.ex-preview li span:first-child { flex: 1; }
.day-chips { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.day-chip { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; text-align: left; padding: 12px 14px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); font-weight: 600; position: relative; font-size: 15px; }
.day-chip .dn { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.day-chip.on { border-color: var(--acc); }
.day-chip .ico { position: absolute; top: 10px; right: 10px; }

/* plans */
.plan.current { border-color: var(--acc); }
.plan h3 { margin-top: 10px; font-size: 20px; }
.plan-days { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.plan-days span { font-size: 13px; background: var(--surface-2); padding: 4px 9px; border-radius: 8px; }
.sticky-cta { position: sticky; bottom: 0; padding: 10px 0 calc(var(--safe-b) + 6px); background: linear-gradient(transparent, var(--surface) 30%); margin-top: 8px; }

.ex-rows, .list, .hist, .steps { list-style: none; padding: 0; margin: 8px 0; }
.ex-rows li { display: flex; align-items: center; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.ex-rows li:last-child { border-bottom: 0; }
.thumb { width: 52px; height: 52px; border-radius: 12px; object-fit: cover; background: #fff; flex: none; }
.list li { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.card.list { padding: 4px 16px; }

/* workout */
body.in-workout .screen { padding-bottom: calc(var(--safe-b) + 40px); }
.wk-top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px; margin: calc(-1 * var(--safe-t) - 14px) -16px 0; padding: calc(var(--safe-t) + 10px) 16px 10px; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.wk-title { flex: 1; min-width: 0; text-align: center; }
.wk-title .strong { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.progress-bar { height: 4px; border-radius: 4px; background: var(--surface-3); margin: 0 0 14px; overflow: hidden; }
.progress-bar span { display: block; height: 100%; background: var(--acc); transition: width .3s; }
.entry { padding: 14px; }
.entry.complete { border-color: color-mix(in srgb, var(--ok) 50%, var(--line)); }
.entry-head { display: flex; align-items: center; gap: 12px; }
.prev { margin: 10px 0 0; }
.tip { margin-top: 8px; padding: 8px 10px; border-radius: 10px; background: var(--acc-soft); color: var(--acc); display: flex; gap: 6px; align-items: center; font-weight: 600; }
.sets { margin-top: 10px; }
.set-row { display: grid; grid-template-columns: 34px 1fr 1fr 48px; gap: 8px; align-items: center; padding: 4px 0; }
.set-row.head { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; text-align: center; }
.set-n { text-align: center; font-weight: 700; color: var(--muted); }
.num { width: 100%; height: 46px; border-radius: 12px; border: 1px solid transparent; background: var(--surface-2); text-align: center; font-size: 19px; font-weight: 650; outline: none; -webkit-appearance: none; }
.num:focus { border-color: var(--acc); background: var(--surface); }
.num::placeholder { color: var(--muted); opacity: .6; font-weight: 500; }
.check { width: 46px; height: 46px; border-radius: 12px; background: var(--surface-3); color: var(--muted); display: grid; place-items: center; }
.check .ico { width: 24px; height: 24px; }
.set-row.done .check { background: var(--ok); color: #fff; }
.set-row.done .num { background: var(--ok-soft); color: var(--ok); }
.entry-foot { display: flex; justify-content: space-between; margin-top: 4px; }
.entry-foot .link { font-size: 15px; }
.shake { animation: shake .35s; border-color: var(--danger) !important; }
@keyframes shake { 25% { transform: translateX(-5px) } 75% { transform: translateX(5px) } }

.rest-spacer { height: 90px; }
.restbar { position: fixed; z-index: 20; left: 12px; right: 12px; bottom: calc(var(--safe-b) + 12px); max-width: 616px; margin: 0 auto; border-radius: 20px; overflow: hidden; background: var(--text); color: var(--bg); box-shadow: 0 10px 30px rgba(0,0,0,.35); }
.rest-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--acc); opacity: .35; transition: width .5s linear; }
.rest-inner { position: relative; display: flex; align-items: center; gap: 8px; padding: 10px 12px; }
.rest-mid { flex: 1; text-align: center; }
.rest-mid .small { font-weight: 700; text-transform: uppercase; letter-spacing: .06em; opacity: .7; font-size: 11.5px; }
.rest-time { font-size: 30px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.1; }
.restbar.finished { background: var(--acc); color: #fff; }
.restbar.finished .rest-btn.skip { background: #fff; color: var(--acc); }
.rest-done { font-size: 20px; font-weight: 800; line-height: 1.2; }
.rest-btn { min-width: 52px; height: 44px; border-radius: 12px; background: color-mix(in srgb, var(--bg) 12%, transparent); font-weight: 700; padding: 0 10px; color: inherit; }
.rest-btn.skip { background: var(--acc); color: #fff; }

/* menus */
.menu h2, .menu h3 { margin-bottom: 12px; }
.menu-item { display: flex; align-items: center; gap: 12px; width: 100%; min-height: 52px; padding: 0 14px; margin: 6px 0; border-radius: 14px; background: var(--surface-2); font-weight: 600; text-align: left; cursor: pointer; }
.menu-item.danger { color: var(--danger); }
.menu .row.gap { margin: 14px 0; }
.setting { min-height: 52px; border-bottom: 1px solid var(--line); gap: 12px; }
.seg { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; }
.seg button { padding: 6px 16px; border-radius: 8px; font-weight: 600; }
.seg button.on { background: var(--surface); box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.select { width: 100%; height: 46px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); padding: 0 12px; font-weight: 600; }
.select.sm { width: auto; max-width: 60%; height: 38px; }
.credits { margin-top: 20px; }

/* exercise detail */
.gif-wrap { background: #fff; border-radius: 16px; overflow: hidden; margin: 4px 0 8px; aspect-ratio: 1 / 1; max-height: 340px; display: grid; place-items: center; }
.gif { width: 100%; height: 100%; object-fit: contain; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.steps { counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding: 0 0 12px 36px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: -1px; width: 24px; height: 24px; border-radius: 50%; background: var(--acc-soft); color: var(--acc); font-size: 13px; font-weight: 700; display: grid; place-items: center; }
.hist li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.hist li span:last-child { text-align: right; }

.stats3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: center; margin: 12px 0; }
.stats3.card { margin: 0 0 6px; }
.stat .big { font-size: 22px; }
.delta { text-align: right; font-weight: 700; }
.delta.down { color: var(--ok); }
.delta.up { color: var(--acc); }

/* charts */
.chart-wrap { margin: 10px -4px 4px; }
.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 10.5px; }
.chart .line { fill: none; stroke: var(--acc); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart .area { fill: var(--acc-soft); }
.chart .dot { fill: var(--acc); }
.chart .dot.last { fill: var(--surface); stroke: var(--acc); stroke-width: 3; }
.empty { padding: 20px; text-align: center; color: var(--muted); }

/* search */
.search { display: flex; align-items: center; gap: 8px; height: 46px; padding: 0 14px; border-radius: 12px; background: var(--surface-2); }
.search input { flex: 1; border: 0; outline: 0; background: none; font-size: 16px; height: 100%; min-width: 0; }
.count { margin: 8px 4px 0; }

/* weigh-in */
.big-input { flex: 1; min-width: 100px; height: 56px; font-size: 26px; }
.date { height: 46px; border-radius: 12px; border: 0; background: var(--surface-2); padding: 0 10px; }

/* summary */
.summary { text-align: center; }
.confetti { font-size: 52px; margin-top: 4px; }
.pr { text-align: left; }
.pr .label { margin-bottom: 6px; }

/* tab bar */
.tabbar { position: fixed; z-index: 10; left: 0; right: 0; bottom: 0; display: flex; justify-content: space-around; padding: 6px 8px calc(var(--safe-b) + 4px); background: color-mix(in srgb, var(--surface) 88%, transparent); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-top: 1px solid var(--line); }
.tab { flex: 1; max-width: 120px; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 6px 0; font-size: 11px; font-weight: 600; color: var(--muted); }
.tab .ico { width: 25px; height: 25px; }
.tab.on { color: var(--acc); }

/* sheets */
.sheet-wrap { position: fixed; inset: 0; z-index: 50; }
.scrim { position: absolute; inset: 0; background: rgba(0,0,0,.5); animation: fade .2s; }
.sheet { position: absolute; left: 0; right: 0; bottom: 0; max-width: 640px; margin: 0 auto; max-height: 92vh; overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; background: var(--surface); border-radius: 22px 22px 0 0; padding: 8px 18px calc(var(--safe-b) + 18px); animation: up .25s cubic-bezier(.2,.8,.2,1); }
.sheet.full { height: calc(100vh - var(--safe-t) - 20px); max-height: none; }
.sheet-grab { width: 40px; height: 5px; border-radius: 3px; background: var(--surface-3); margin: 0 auto 8px; }
.sheet-x { position: sticky; top: 0; float: right; z-index: 2; width: 34px; height: 34px; margin-bottom: -34px; }
.sheet-body { padding-top: 4px; }
.sheet-body > div > h2:first-child, .sheet-body > div > .label:first-child, .sheet-body > div > .pill:first-child { margin-right: 44px; }
.sheet-wrap.closing .sheet { animation: down .22s forwards; }
.sheet-wrap.closing .scrim { animation: fade .22s reverse forwards; }
@keyframes up { from { transform: translateY(100%) } }
@keyframes down { to { transform: translateY(100%) } }
@keyframes fade { from { opacity: 0 } }

.toast { position: fixed; z-index: 100; left: 50%; top: calc(var(--safe-t) + 12px); transform: translate(-50%, -20px); opacity: 0; transition: .25s; background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 999px; font-weight: 600; font-size: 15px; box-shadow: 0 6px 20px rgba(0,0,0,.25); max-width: 90vw; text-align: center; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* week strip: planned training days get a dot */
.wdot { width: 5px; height: 5px; border-radius: 50%; background: transparent; margin-top: -2px; }
.wday.planned .wdot { background: var(--acc); }
.wday.planned.done .wdot { background: transparent; }

.done-card { text-align: center; }
.done-card .big { font-size: 40px; }
.tips-card .big { font-size: 26px; }
.tip-item { display: flex; gap: 12px; align-items: flex-start; }
.tip-n { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--acc-soft); color: var(--acc); display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.plan.recommended { border-color: color-mix(in srgb, var(--acc) 45%, var(--line)); }
.plan-days b { color: var(--acc); font-weight: 700; }

/* warm-up */
.wu-li span:first-child { font-weight: 600; color: var(--acc); }
.ex-preview li.wu-li::before { content: '🔥'; }
.wu-list { list-style: none; padding: 0; margin: 10px 0 0; }
.wu-list li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.wu-list li .ico.sm { vertical-align: -3px; margin-left: 4px; }
.wu-card { border-color: color-mix(in srgb, var(--acc) 35%, var(--line)); }
.wu-card.folded { border-color: var(--line); }
.wu-badge { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--acc-soft); flex: none; }
.wu-badge.ok { background: var(--ok); color: #fff; }
.check.on { background: var(--ok); color: #fff; }
.tip.info { background: var(--surface-2); color: var(--muted); font-weight: 500; }
.ex-preview li.wu-li { counter-increment: none; }
.wu-card > .row.between { align-items: flex-start; gap: 12px; }
.wu-card > .row.between .link { flex: none; padding-top: 0; }
.num.na { display: grid; place-items: center; color: var(--muted); background: none; }

/* food log */
.datenav { margin: 4px 0 12px; }
.datenav .icon-btn:disabled { opacity: .3; }
.right { text-align: right; }
.spacer { height: 10px; }
.stepper { margin: 18px 0 8px; }
.stepper .icon-btn { width: 52px; height: 52px; }