:root {
  --bg: #11161c; --card: #1a222b; --card2: #222c37; --line: #2c3845; --text: #e8edf2; --muted: #8fa0b2;
  --acc: #39c08a; --acc2: #2aa676; --warn: #e6b450; --err: #ef6b6b; --done: #193a2c; --blue: #5aa9e6;
  --r: 14px; --tap: 48px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
.page { max-width: 760px; margin: 0 auto; padding: 12px 16px 140px; }
header.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 8px; padding: 10px 12px; padding-top: max(10px, env(safe-area-inset-top));
  background: rgba(17, 22, 28, .96); border-bottom: 1px solid var(--line); }
header.top h1 { flex: 1; margin: 0; font-size: 18px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.logo { font-weight: 800; color: var(--acc); padding: 0 6px; }
.icon { min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border: 0; background: none; font-size: 22px; cursor: pointer; border-radius: 10px; position: relative; }
.icon.small { min-width: 36px; height: 36px; font-size: 20px; color: var(--muted); }
.dot { position: absolute; top: 6px; right: 4px; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.ok { background: var(--acc); } .dot.busy { background: var(--warn); } .dot.off { background: var(--err); }
nav.tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; display: flex; background: #0d1217; border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
nav.tabs a { flex: 1; text-align: center; padding: 14px 0; color: var(--muted); font-weight: 600; }
nav.tabs a.on { color: var(--acc); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; margin: 12px 0; }
.card.hero { border-color: var(--acc2); background: linear-gradient(160deg, #1d2d27, var(--card)); }
.card h2 { margin: 2px 0; font-size: 21px; } .card h3 { margin: 0; font-size: 18px; }
.k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.mt { margin-top: 18px; }
.muted { color: var(--muted); } .small { font-size: 13px; } .right { text-align: right; }
.err { color: var(--err); } .warn { color: var(--warn); background: #2b2616; border-radius: 10px; padding: 8px 12px; }
.row { display: flex; align-items: center; gap: 10px; } .between { justify-content: space-between; } .grow { flex: 1; } .gap { gap: 8px; margin-top: 8px; }
.btn { min-height: var(--tap); padding: 0 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--card2); font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.btn.primary { background: var(--acc); border-color: var(--acc); color: #06150f; }
.btn.danger { background: transparent; color: var(--err); border-color: #4a2b2b; }
.btn.block { width: 100%; margin: 10px 0; }
.btn.small { min-height: 38px; padding: 0 12px; font-size: 14px; }
.week { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 8px 0; }
.week .lbl { color: var(--muted); margin-right: 4px; }
.pip { display: inline-block; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--acc2); margin-right: 3px; vertical-align: -1px; }
.pip.on { background: var(--acc); border-color: var(--acc); }
.exlist { margin-top: 8px; }
form.card label { font-size: 14px; }
input.num { width: 68px; min-height: 44px; text-align: center; background: #0f1419; border: 1px solid var(--line); border-radius: 10px; font-size: 18px; font-weight: 600; }
input.num::placeholder { color: #5f7183; font-weight: 500; }
input.num[readonly] { background: transparent; border-color: transparent; }
textarea, input.search, input[type=password] { width: 100%; background: #0f1419; border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-top: 6px; }
label { display: block; margin: 6px 0; color: var(--muted); }
.login { padding-top: 18vh; text-align: center; } .login form { max-width: 320px; margin: 0 auto; } .login .btn { width: 100%; margin-top: 12px; }
.big { font-size: 44px; color: var(--acc); margin: 0; }
/* exercise card */
.ex.complete { border-color: var(--acc2); }
.setup { color: var(--blue); font-size: 13px; margin-top: 2px; }
.tag { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--card2); color: var(--muted); }
.chips { display: flex; gap: 6px; margin: 8px 0 2px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: transparent; border-radius: 999px; padding: 6px 12px; font-size: 13px; cursor: pointer; color: var(--muted); }
.chip.on { background: var(--card2); color: var(--text); border-color: var(--acc2); }
.lastline { font-size: 13px; color: var(--muted); margin: 8px 0 4px; }
.lastline .sug { color: var(--warn); }
.sets { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.set, .sethead { display: grid; grid-template-columns: 26px 64px 64px 46px 1fr; align-items: center; gap: 5px; padding: 3px 4px; border-radius: 12px; }
.noload .set, .noload .sethead { grid-template-columns: 26px 64px 46px 1fr; }
input.num.reduced::placeholder { color: #a08a52; }
.menu { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 4px; padding: 10px; background: var(--card2); border-radius: 12px; }
.btn:disabled { opacity: .35; cursor: default; }
.icon.on { color: var(--acc); background: var(--card2); }
.center { text-align: center; margin-top: -4px; }
.sum h3 { font-size: 16px; } .sum > div:nth-child(2) { margin-top: 4px; font-variant-numeric: tabular-nums; }
.up { color: var(--acc); font-weight: 700; } .down { color: var(--warn); }
.row.wrap { flex-wrap: wrap; align-items: flex-end; }
.gap2 { gap: 10px; margin: 10px 0; } .gap2 .btn { margin: 0; }
.mt8 { margin-top: 10px; }
input[type=date] { display: block; width: 100%; min-height: 44px; margin-top: 6px; background: #0f1419; border: 1px solid var(--line); border-radius: 10px; padding: 0 10px; color-scheme: dark; }
.editbox { border-color: var(--blue); } .backfill { border-color: var(--warn); }
.link { color: var(--acc); text-decoration: underline; }
.row.between > .link { white-space: nowrap; flex: none; }
label input.num { display: block; margin-top: 6px; }
label.row input.num { display: inline-block; margin-top: 0; }
/* history navigation */
.hfilter { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; margin: 4px -16px 0; padding-left: 16px; padding-right: 16px; scrollbar-width: none; }
.hfilter .chip { flex: none; }
.navcard { padding: 0; }
.navhead { width: 100%; display: flex; justify-content: space-between; align-items: center; background: none; border: 0; padding: 12px 14px; cursor: pointer; text-align: left; }
.yearrow { padding: 0 14px; margin-top: 0; }
.yearrow select { flex: 1; min-height: 40px; background: #0f1419; border: 1px solid var(--line); border-radius: 10px; padding: 0 10px; color-scheme: dark; }
.mgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 10px 14px 14px; }
.mbtn { min-height: 46px; border: 1px solid var(--line); background: var(--card2); border-radius: 10px; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.1; }
.mbtn small { color: var(--muted); font-size: 11px; min-height: 12px; }
.mbtn.on { border-color: var(--acc); background: #1d2d27; }
.mbtn:disabled { opacity: .3; cursor: default; }
.mhead { margin: 14px 2px 0; }
.refline { font-size: 13px; color: var(--blue); margin: 0 0 4px; }
.last small.then, .sethead small.then { display: block; color: var(--blue); font-size: 12px; font-weight: 500; line-height: 1.2; overflow: hidden; text-overflow: ellipsis; }
.sethead small.then { font-size: 10px; }
/* plan editor */
label input, label textarea { color: var(--text); }
input.txt { display: block; width: 100%; min-height: 44px; margin-top: 6px; background: #0f1419; border: 1px solid var(--line); border-radius: 10px; padding: 0 12px; }
.pday { display: flex; align-items: center; gap: 8px; }
.updown { display: flex; flex-direction: column; gap: 2px; }
.pitem .updown { flex-direction: row; }
.icon.del { color: var(--err); }
.icon:disabled { opacity: .25; cursor: default; }
.pgrid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-top: 10px; }
.pgrid label { margin: 0; font-size: 11px; text-align: center; white-space: nowrap; }
.pgrid input.num { display: block; width: 100%; margin-top: 3px; }
.varin.ss { width: 92px; flex: none; }
.varin.full { display: block; width: 100%; margin-top: 8px; }
label.chk { color: var(--text); flex-wrap: wrap; gap: 8px; margin: 12px 0; }
label.chk input { width: 20px; height: 20px; accent-color: var(--acc); }
/* body measurements */
.mlist { padding: 4px 14px; }
.mrow { display: grid; grid-template-columns: 1fr 96px 84px; align-items: center; gap: 8px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.mrow:last-child { border-bottom: 0; }
.mrow.simple { grid-template-columns: 1fr auto; }
.mname small, .mval small { display: block; font-size: 12px; }
.mval { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
svg.spark, svg.lchart { display: block; overflow: visible; }
svg.lchart { width: 100%; height: auto; margin: 12px 0 6px; touch-action: pan-y; }
.spark .ln, .lchart .ln { fill: none; stroke: var(--acc); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.spark .ln { stroke-width: 1.5; }
.spark .pt, .lchart .pt { fill: var(--acc); stroke: var(--card); stroke-width: 2; vector-effect: non-scaling-stroke; }
.lchart .grid { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.lchart .ax { fill: var(--muted); font-size: 11px; }
.lchart .xh { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; vector-effect: non-scaling-stroke; }
.lchart .hit { fill: transparent; cursor: crosshair; }
.chartwrap { position: relative; }
.ctip { display: none; position: absolute; top: 0; padding: 6px 10px; background: var(--card2); border: 1px solid var(--line); border-radius: 8px; font-size: 13px; line-height: 1.3; pointer-events: none; white-space: nowrap; }
.bgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; }
.bgrid label.bf { margin: 4px 0; font-size: 14px; }
.bgrid label.bf input.num { width: 100%; margin-top: 4px; }
/* in-app confirm dialog */
.modal { position: fixed; inset: 0; z-index: 20; background: rgba(0, 0, 0, .55); display: flex; align-items: center; justify-content: center; padding: 16px; }
.dlg { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px 16px 8px; box-shadow: 0 10px 40px rgba(0, 0, 0, .5); }
.dlg p { margin: 0 0 6px; font-size: 17px; }
.btn.dangerfill { background: var(--err); border-color: var(--err); color: #1a0606; }
/* variants */
.varbtn { display: inline-block; max-width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-align: left; margin-top: 4px; border: 1px dashed var(--line); background: transparent; color: var(--muted); border-radius: 999px; padding: 3px 10px; font-size: 13px; cursor: pointer; }
.varbtn.chosen { border-style: solid; border-color: var(--blue); color: var(--blue); }
.varpanel { margin: 10px 0 4px; padding: 10px; background: var(--card2); border-radius: 12px; }
.varpanel .chips { margin-top: 0; }
.varin { min-height: 38px; background: #0f1419; border: 1px solid var(--line); border-radius: 10px; padding: 0 10px; min-width: 0; }
.sethead { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; padding-bottom: 0; }
.sethead span:not(.right) { text-align: center; }
.set.done { background: var(--done); }
.set .sn { font-weight: 700; color: var(--muted); text-align: center; } .set .sn small { display: block; font-size: 11px; color: var(--blue); }
.set .ok { width: 48px; height: 44px; border-radius: 12px; border: 1px solid var(--line); background: var(--card2); font-size: 20px; cursor: pointer; }
.set.done .ok { background: var(--acc); color: #06150f; border-color: var(--acc); }
.set .last { font-size: 15px; font-weight: 600; color: #dbe6f0; text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
/* lists */
.list { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.li { display: flex; flex-direction: column; gap: 2px; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; cursor: pointer; }
.t-strength { color: var(--acc); } .t-cardio { color: var(--blue); } .t-abs { color: var(--warn); }
/* timer */
#timerbar { position: fixed; left: 0; right: 0; bottom: calc(52px + env(safe-area-inset-bottom)); z-index: 7; display: none; }
#timerbar.on { display: flex; align-items: center; gap: 8px; justify-content: center; padding: 10px; background: #0b3a27; border-top: 1px solid var(--acc2); }
#timerbar .tt { font-size: 22px; font-weight: 800; min-width: 150px; text-align: center; font-variant-numeric: tabular-nums; }
#timerbar button { min-width: 52px; height: 44px; border-radius: 10px; border: 1px solid var(--acc2); background: transparent; font-weight: 700; cursor: pointer; }
.toast { position: fixed; left: 50%; bottom: 120px; transform: translateX(-50%) translateY(20px); opacity: 0; background: #2a3a48; padding: 10px 16px; border-radius: 10px; transition: .25s; z-index: 9; }
.toast.show { opacity: 1; transform: translateX(-50%); }
input.num { width: 64px; }
@media (max-width: 360px) { .set, .sethead { grid-template-columns: 24px 58px 58px 42px 1fr; } input.num { width: 58px; } .set .last { font-size: 14px; } }