/* ============================================================
   IRONLOG — design system
   Chrome is monochrome iron + chalk. Every hue on screen is DATA:
   muscle groups use a categorical palette derived from competition
   plate colours, trends use green / amber / red semantics.
   ============================================================ */
:root{
  --iron:#111418; --iron-2:#1b2027; --chalk:#f1f1ed;

  --bg:var(--chalk); --surface:#ffffff; --surface-2:#e8e9e4; --surface-3:#dedfd9;
  --ink:#111418; --ink-2:#4d555f; --ink-3:#7b838d;
  --line:#d7d8d2; --line-strong:#b9bbb4;
  --accent:#ce1126; --accent-ink:#ffffff; --focus:#ce1126;
  --up:#1f8a54; --flat:#a6780b; --down:#ce1126;
  --chip-ink:#fff;

  --g-chest:#ce1126; --g-back:#1f63a8; --g-shoulders:#c48708; --g-biceps:#1f8a54;
  --g-triceps:#7a4fa3; --g-quads:#0e7c86; --g-hamstrings:#c2571a; --g-glutes:#b0176b;
  --g-calves:#61701f; --g-core:#4a5560; --g-traps:#8a6d3b; --g-forearms:#556270;
  --g-cardio:#2f3a45;

  --display:"Arial Narrow","Helvetica Neue Condensed",Haettenschweiler,"Franklin Gothic Medium",Impact,system-ui,sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --data:ui-monospace,"SF Mono","Cascadia Mono","Roboto Mono",Consolas,monospace;
  --r:4px;
  --tap:44px; /* minimum touch target */
}
@media (prefers-color-scheme:dark){ :root{
  --bg:var(--iron); --surface:var(--iron-2); --surface-2:#232a32; --surface-3:#2b333c;
  --ink:#eceeea; --ink-2:#a4adb7; --ink-3:#767f8a;
  --line:#2b323b; --line-strong:#3d4650;
  --accent:#ff4256; --accent-ink:#14171b; --focus:#ff4256;
  --up:#3ec27f; --flat:#e0ab2b; --down:#ff5f6d; --chip-ink:#14171b;
  --g-chest:#f2506a; --g-back:#4f9ee0; --g-shoulders:#e8b23c; --g-biceps:#3ec27f;
  --g-triceps:#b285d8; --g-quads:#2fb3bd; --g-hamstrings:#f08a45; --g-glutes:#e35a9e;
  --g-calves:#9fb043; --g-core:#8c98a5; --g-traps:#c9a06a; --g-forearms:#93a1b0;
  --g-cardio:#b6c0cb;
} }
:root[data-theme="dark"]{
  --bg:var(--iron); --surface:var(--iron-2); --surface-2:#232a32; --surface-3:#2b333c;
  --ink:#eceeea; --ink-2:#a4adb7; --ink-3:#767f8a;
  --line:#2b323b; --line-strong:#3d4650;
  --accent:#ff4256; --accent-ink:#14171b; --focus:#ff4256;
  --up:#3ec27f; --flat:#e0ab2b; --down:#ff5f6d; --chip-ink:#14171b;
  --g-chest:#f2506a; --g-back:#4f9ee0; --g-shoulders:#e8b23c; --g-biceps:#3ec27f;
  --g-triceps:#b285d8; --g-quads:#2fb3bd; --g-hamstrings:#f08a45; --g-glutes:#e35a9e;
  --g-calves:#9fb043; --g-core:#8c98a5; --g-traps:#c9a06a; --g-forearms:#93a1b0;
  --g-cardio:#b6c0cb;
}
:root[data-theme="light"]{
  --bg:var(--chalk); --surface:#ffffff; --surface-2:#e8e9e4; --surface-3:#dedfd9;
  --ink:#111418; --ink-2:#4d555f; --ink-3:#7b838d;
  --line:#d7d8d2; --line-strong:#b9bbb4;
  --accent:#ce1126; --accent-ink:#ffffff; --focus:#ce1126;
  --up:#1f8a54; --flat:#a6780b; --down:#ce1126; --chip-ink:#fff;
  --g-chest:#ce1126; --g-back:#1f63a8; --g-shoulders:#c48708; --g-biceps:#1f8a54;
  --g-triceps:#7a4fa3; --g-quads:#0e7c86; --g-hamstrings:#c2571a; --g-glutes:#b0176b;
  --g-calves:#61701f; --g-core:#4a5560; --g-traps:#8a6d3b; --g-forearms:#556270;
  --g-cardio:#2f3a45;
}

/* ---------------- base ---------------- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);
  font-size:16px;line-height:1.45;overscroll-behavior-y:contain}
.wrap{max-width:600px;margin:0 auto;min-height:100dvh}
h1,h2,h3{margin:0;font-family:var(--display);text-transform:uppercase;letter-spacing:.03em;
  font-weight:700;text-wrap:balance;line-height:1.05}
h2{font-size:1.5rem} h3{font-size:1.12rem;letter-spacing:.05em}
p{margin:0}
a{color:var(--accent)}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.num{font-family:var(--data);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--data);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.muted{color:var(--ink-2);font-size:.88rem}
.tiny{font-size:.78rem;color:var(--ink-3)}
.hide{display:none !important}

/* ---------------- header / nav ---------------- */
header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line-strong);
  display:flex;align-items:center;gap:8px;
  /* viewport-fit=cover means the page runs under the notch and status bar */
  padding:calc(10px + env(safe-area-inset-top,0)) calc(14px + env(safe-area-inset-right,0)) 8px
          calc(14px + env(safe-area-inset-left,0))}
.brand{font-family:var(--display);text-transform:uppercase;font-size:1.5rem;letter-spacing:.12em;
  font-weight:700;margin-right:auto;display:flex;align-items:center;gap:7px}
.brand i{width:9px;height:9px;background:var(--accent);border-radius:50%;display:block}
.lang{display:flex;border:1px solid var(--line-strong);border-radius:var(--r);overflow:hidden}
.lang button{background:transparent;border:0;padding:6px 10px;font-family:var(--data);font-size:.7rem;
  letter-spacing:.1em;color:var(--ink-2);min-height:32px}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.icon-btn{background:transparent;border:1px solid var(--line-strong);border-radius:var(--r);
  padding:6px 8px;display:grid;place-items:center;color:var(--ink-2);min-height:32px;position:relative}
.icon-btn:hover{color:var(--ink);border-color:var(--ink-3)}
.icon-btn .dot{position:absolute;top:-3px;right:-3px;width:8px;height:8px;border-radius:50%;
  background:var(--accent);border:1.5px solid var(--bg)}
#whobtn{padding:0;border-color:var(--line-strong)}
.avatar{width:28px;height:28px;border-radius:50%;background:var(--ink);color:var(--bg);
  display:grid;place-items:center;font-family:var(--display);font-size:1rem;
  letter-spacing:0;flex:0 0 28px}
.item.active{background:var(--surface-2)}

main{padding:16px 14px 104px;display:flex;flex-direction:column;gap:24px}

nav{position:fixed;bottom:0;left:0;right:0;z-index:20;background:var(--bg);
  border-top:1px solid var(--line-strong);padding-bottom:env(safe-area-inset-bottom,0)}
.navinner{max-width:600px;margin:0 auto;display:flex}
nav button{flex:1;background:transparent;border:0;border-top:3px solid transparent;padding:8px 2px 9px;
  display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--ink-3);
  font-family:var(--data);font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;min-height:var(--tap)}
nav button[aria-pressed="true"]{color:var(--ink);border-top-color:var(--accent)}
nav svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round}

/* ---------------- structure ---------------- */
.sec{display:flex;flex-direction:column;gap:10px}
.sec-head{display:flex;align-items:baseline;gap:8px;justify-content:space-between;
  border-bottom:1px solid var(--line-strong);padding-bottom:6px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:14px;display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:8px;align-items:center}
/* NOT ".row.wrap": ".wrap" is the app container and carries min-height:100dvh,
   which would stretch any row that reused the name to a full screen. */
.row.rowwrap{flex-wrap:wrap;align-content:flex-start}
.between{justify-content:space-between}
.grow{flex:1;min-width:0}
.empty{color:var(--ink-2);font-size:.9rem;padding:20px 14px;text-align:center;
  border:1px dashed var(--line-strong);border-radius:var(--r)}

/* ---------------- controls ---------------- */
label.field{display:flex;flex-direction:column;gap:5px;flex:1;min-width:0}
input,select,textarea{font:inherit;color:var(--ink);background:var(--surface);
  border:1px solid var(--line-strong);border-radius:var(--r);padding:10px;width:100%;min-width:0;
  min-height:var(--tap)}
input[type="number"]{font-family:var(--data);font-variant-numeric:tabular-nums}
textarea{resize:vertical;min-height:60px}
.btn{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r);
  padding:11px 14px;font-weight:600;font-size:.94rem;min-height:var(--tap);
  display:inline-flex;align-items:center;justify-content:center;gap:7px;text-align:center}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn.primary:hover{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.ghost{background:transparent;border-color:var(--line)}
.btn.danger{color:var(--down);border-color:var(--down);background:transparent}
.btn.sm{padding:6px 10px;font-size:.8rem;font-weight:500;min-height:34px}
.btn.block{width:100%}
.seg{display:flex;border:1px solid var(--line-strong);border-radius:var(--r);overflow:hidden}
.seg button{flex:1;background:transparent;border:0;padding:10px 6px;font-family:var(--display);
  text-transform:uppercase;letter-spacing:.05em;font-size:1.02rem;min-height:var(--tap);
  border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg)}
.seg.sm button{font-family:var(--body);font-size:.82rem;text-transform:none;letter-spacing:0;
  padding:7px 4px;min-height:36px}

/* ---------------- chips / badges ---------------- */
.chip{font-family:var(--data);font-size:.62rem;letter-spacing:.09em;text-transform:uppercase;
  padding:3px 6px;border-radius:2px;color:var(--chip-ink);white-space:nowrap;display:inline-block}
.chip.out{background:transparent;border:1px solid var(--line-strong);color:var(--ink-3)}
.stripe{width:3px;align-self:stretch;min-height:32px;border-radius:2px;flex:0 0 3px}
.trend{font-family:var(--data);font-size:.78rem;font-weight:600;white-space:nowrap}
.trend.up{color:var(--up)} .trend.down{color:var(--down)} .trend.flat{color:var(--flat)}

/* ---------------- stat tiles ---------------- */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stats.two{grid-template-columns:repeat(2,1fr)}
.stats.four{grid-template-columns:repeat(4,1fr)}
.stat{background:var(--surface);padding:10px 9px;display:flex;flex-direction:column;gap:2px}
.stat .v{font-family:var(--data);font-size:1.3rem;font-variant-numeric:tabular-nums;line-height:1.1}
.stat .v .u{font-size:.68rem;color:var(--ink-3);letter-spacing:.04em}
.stat .l{font-family:var(--data);font-size:.58rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}

/* ---------------- lists ---------------- */
.list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);
  background:var(--surface);overflow:hidden}
.item{display:flex;flex-direction:column;gap:8px;padding:11px 12px;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item.tap{cursor:pointer}
.item.tap:hover{background:var(--surface-2)}
.item-head{display:flex;align-items:center;gap:9px}
.item-head .t{flex:1;font-weight:600;font-size:.95rem;line-height:1.25;min-width:0}
.kv{display:flex;gap:14px;flex-wrap:wrap;font-family:var(--data);font-size:.76rem;color:var(--ink-2)}
details.item > summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:9px;
  min-height:34px;margin:-2px 0}
details.item > summary::-webkit-details-marker{display:none}
details.item[open] > summary .caret{transform:rotate(90deg)}
.caret{color:var(--ink-3);font-size:.68rem;transition:transform .15s;flex:0 0 auto}
.subhead{background:var(--surface-2);padding:6px 12px;border-bottom:1px solid var(--line)}

/* ---------------- charts ---------------- */
svg.spark{display:block;width:100%;height:36px;overflow:visible}
svg.spark.tall{height:64px}
.bar-row{display:grid;grid-template-columns:82px 1fr 48px;gap:8px;align-items:center}
.bar-row .lbl{font-family:var(--data);font-size:.66rem;letter-spacing:.05em;text-transform:uppercase;
  color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.track{background:var(--surface-2);height:16px;border-radius:2px;position:relative;overflow:hidden}
.track .band{position:absolute;top:0;bottom:0;background:var(--surface-3)}
.track .band::after{content:"";position:absolute;inset:0;border-left:1px dashed var(--line-strong);
  border-right:1px dashed var(--line-strong)}
.fill{position:absolute;top:2px;bottom:2px;left:0;border-radius:2px}
.bar-row .val{font-family:var(--data);font-size:.74rem;text-align:right;color:var(--ink-2)}
.weekbars{display:flex;align-items:flex-end;gap:4px;height:78px}
.weekbars .wb{flex:1;display:flex;flex-direction:column;justify-content:flex-end;gap:3px;height:100%}
.weekbars .wb i{display:block;background:var(--ink-3);border-radius:1px 1px 0 0;min-height:2px}
.weekbars .wb i.hit{background:var(--accent)}
.weekbars .wb b{font-family:var(--data);font-size:.56rem;color:var(--ink-3);text-align:center;font-weight:400}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-family:var(--data);font-size:.76rem}
th,td{text-align:right;padding:5px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{text-align:left}
th{font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:400}
tr:last-child td{border-bottom:0}

/* ---------------- logging ---------------- */
.exblock{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);
  display:flex;flex-direction:column}
.exblock.done{border-color:var(--up)}
.exhead{display:flex;align-items:center;gap:8px;padding:10px;border-bottom:1px solid var(--line)}
.exhead .name{flex:1;font-weight:650;font-size:.98rem;line-height:1.2;min-width:0}
.exmeta{padding:7px 10px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center;
  background:var(--surface-2)}
.exmeta .txt{flex:1;font-family:var(--data);font-size:.72rem;color:var(--ink-2);line-height:1.35}
.exmeta svg.spark{width:64px;height:26px;flex:0 0 64px}
.target{font-family:var(--data);font-size:.72rem;color:var(--ink);font-weight:600}
.sets{display:flex;flex-direction:column;padding:8px 10px 10px;gap:6px}
.setgrid{display:grid;grid-template-columns:24px 1fr 1fr 38px;gap:6px;align-items:center}
.setgrid.one{grid-template-columns:24px 1fr 38px}
.setgrid .n{font-family:var(--data);font-size:.76rem;color:var(--ink-3);text-align:center}
.setgrid input{padding:9px 6px;text-align:center;min-height:42px}
.setgrid input.pr{border-color:var(--up);box-shadow:inset 0 0 0 1px var(--up)}
.setgrid .x{background:transparent;border:1px solid var(--line);border-radius:var(--r);
  color:var(--ink-3);padding:0;font-size:.95rem;line-height:1;min-height:42px}
.setgrid .x:hover{color:var(--down);border-color:var(--down)}
.setlbl span{text-align:center;font-family:var(--data);font-size:.6rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3)}

/* ---------------- focus flags ---------------- */
.flag{display:flex;gap:10px;padding:11px 12px;border-bottom:1px solid var(--line);align-items:stretch}
.flag:last-child{border-bottom:0}
.flag .body{display:flex;flex-direction:column;gap:4px;min-width:0}
.flag .why{font-size:.84rem;color:var(--ink-2)}
.flag .do{font-size:.84rem;color:var(--ink)}
.sev3 .stripe{background:var(--down)}
.sev2 .stripe{background:var(--flat)}

/* ---------------- sheet / modal ---------------- */
.backdrop{position:fixed;inset:0;background:rgba(10,12,15,.55);z-index:30;display:none}
.backdrop.open{display:block}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:31;background:var(--bg);
  border-top:1px solid var(--line-strong);max-width:600px;margin:0 auto;display:none;
  flex-direction:column;gap:14px;max-height:88dvh;overflow-y:auto;
  padding:14px 14px calc(18px + env(safe-area-inset-bottom,0))}
.sheet.open{display:flex}
.sheet .sec-head{position:sticky;top:0;background:var(--bg);z-index:2;padding-top:2px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:82px;z-index:40;background:var(--ink);
  color:var(--bg);padding:10px 16px;border-radius:var(--r);font-size:.86rem;font-weight:600;
  opacity:0;pointer-events:none;transition:opacity .2s;max-width:88vw;text-align:center}
.toast.show{opacity:1}
.banner{background:var(--surface-2);border:1px solid var(--line-strong);border-radius:var(--r);
  padding:9px 12px;font-size:.82rem;color:var(--ink-2);display:flex;gap:8px;align-items:center}

/* search results in the exercise picker */
.searchres{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;background:var(--surface)}
.searchres button{display:flex;align-items:center;gap:9px;padding:10px 11px;background:transparent;
  border:0;border-bottom:1px solid var(--line);text-align:left;width:100%;min-height:var(--tap)}
.searchres button:last-child{border-bottom:0}
.searchres button:hover{background:var(--surface-2)}
.searchres .t{flex:1;font-size:.92rem;font-weight:600;min-width:0}
.searchres .t small{display:block;font-weight:400;font-size:.72rem;color:var(--ink-3);
  font-family:var(--data);letter-spacing:.03em}

@media (prefers-reduced-motion:reduce){
  .caret,.toast{transition:none}
}