/* Eggshell Micro-Crack Diagnostics — application styles.
   Dark, high-contrast, and deliberately plain: this is read in a hatchery office, often on a
   laptop in poor light, by someone who wants a number and an instruction. */

:root{
  --bg:#0E1117; --panel:#141922; --line:#232A35; --line2:#2A313C;
  --text:#E6E6E6; --muted:#8B949E; --accent:#E8833A;
  --ok:#55A868; --okbg:rgba(85,168,104,.14);
  --bad:#C44E52; --badbg:rgba(196,78,82,.14);
  --warn:#E8833A; --warnbg:rgba(232,131,58,.14);
  --info:#4C72B0; --infobg:rgba(76,114,176,.14);
  --hairline:#DD8452; --star:#55A868; --network:#C44E52; --intact:#4C72B0;
  --radius:8px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);
  font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1{font-size:1.5rem;margin:1.4rem 0 .4rem}
h2{font-size:1.15rem;margin:1.2rem 0 .5rem}
h3{font-size:1rem;margin:1rem 0 .5rem}
a{color:var(--accent)}
.muted{color:var(--muted);font-size:.87rem}
pre{background:#0B0E14;border:1px solid var(--line);border-radius:var(--radius);
  padding:.8rem 1rem;overflow:auto;font-size:.82rem}

/* header */
.topbar{border-bottom:1px solid var(--line);background:#10151D;position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  min-height:62px;flex-wrap:wrap}
.brand{text-decoration:none;color:var(--text);display:block;padding:.5rem 0}
.brand-name{display:block;font-weight:700;letter-spacing:-.01em}
.brand-sub{display:block;color:var(--muted);font-size:.78rem;margin-top:-2px}
.tabs{display:flex;gap:.25rem}
.tabs a{color:var(--muted);text-decoration:none;padding:.45rem .9rem;border-radius:6px;
  font-size:.92rem}
.tabs a:hover{background:#1B212B;color:var(--text)}
.tabs a.on{color:var(--accent);background:#1B212B;font-weight:600}

/* layout */
.stack>*+*{margin-top:1rem}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.1rem 1.25rem;margin:1rem 0}
.panel.center{text-align:center;padding:3rem 1.25rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media(max-width:820px){.grid-2,.grid-3{grid-template-columns:1fr}}

/* forms */
label{display:block;font-size:.88rem;color:var(--muted);margin-bottom:.9rem}
label.full{width:100%}
input[type=text],select,textarea,input[type=file]{width:100%;margin-top:.35rem;
  background:#0F141C;color:var(--text);border:1px solid var(--line2);
  border-radius:6px;padding:.55rem .7rem;font-size:.95rem;font-family:inherit}
input[type=range]{width:100%;margin-top:.5rem;accent-color:var(--accent)}
output{font-variant-numeric:tabular-nums;color:var(--text);font-size:.9rem}
small{display:block;color:var(--muted);font-size:.78rem;margin-top:.25rem}
.settings .adv{margin-top:.3rem;border-top:1px solid var(--line);padding-top:.7rem}
.settings summary{cursor:pointer;color:var(--muted);font-size:.88rem}
button.primary,.btn{display:inline-block;text-align:center;background:var(--accent);
  color:#1A1008;border:0;border-radius:6px;padding:.7rem 1.4rem;font-weight:650;
  font-size:.95rem;cursor:pointer;text-decoration:none;width:100%}
button.primary:hover,.btn:hover{filter:brightness(1.08)}
button[disabled]{opacity:.6;cursor:progress}

/* verdicts and alerts */
.verdict{padding:1rem 1.25rem;border-radius:var(--radius);font-size:1.25rem;font-weight:650;
  margin:1rem 0 .6rem}
.v-crack{background:var(--badbg);border-left:4px solid var(--bad);color:#FF9EA1}
.v-ok{background:var(--okbg);border-left:4px solid var(--ok);color:#8FE0A6}
.v-warn{background:var(--warnbg);border-left:4px solid var(--warn);color:#FFC083;
  font-size:1rem}
.alert{padding:.8rem 1.1rem;border-radius:var(--radius);margin:1rem 0;font-size:.92rem}
.alert.warn{background:var(--warnbg);border-left:4px solid var(--warn)}
.alert.err{background:var(--badbg);border-left:4px solid var(--bad)}
.alert.info{background:var(--infobg);border-left:4px solid var(--info)}
.callout{padding:.8rem 1.1rem;border-radius:var(--radius);margin:.4rem 0 1rem;font-size:.95rem}
.callout.info{background:var(--infobg);border-left:3px solid var(--info)}
.callout.ok{background:var(--okbg);border-left:3px solid var(--ok)}

/* metrics */
.metrics{display:grid;gap:1rem;margin:1rem 0}
.metrics.one{grid-template-columns:1fr}
.metrics.two{grid-template-columns:repeat(2,1fr)}
.metrics.three{grid-template-columns:repeat(3,1fr)}
.metrics.four{grid-template-columns:repeat(4,1fr)}
@media(max-width:820px){.metrics.three,.metrics.four{grid-template-columns:repeat(2,1fr)}}
.metrics>div{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:.85rem 1rem}
.metrics .k{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;
  letter-spacing:.04em}
.metrics .v{display:block;font-size:1.75rem;font-weight:650;margin-top:.2rem;
  font-variant-numeric:tabular-nums}
.metrics .delta{display:block;font-size:.76rem;color:var(--muted);margin-top:.15rem}
.metrics .delta.bad{color:#FF9EA1}

/* bars */
.bars{list-style:none;margin:.6rem 0 0;padding:0}
.bars li{display:grid;grid-template-columns:92px 1fr 56px;align-items:center;gap:.7rem;
  margin-bottom:.45rem;font-size:.88rem}
.bars .track{background:#0F141C;border-radius:4px;height:16px;overflow:hidden}
.bars .fill{display:block;height:100%;background:var(--accent)}
.bars .val{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.c-intact{background:var(--intact)} .c-hairline{background:var(--hairline)}
.c-star{background:var(--star)} .c-network{background:var(--network)}
.split{height:14px;border-radius:4px;background:var(--network);overflow:hidden;margin:.5rem 0}
.split .phys{display:block;height:100%;background:var(--intact)}

/* images */
figure{margin:0}
figure img{width:100%;border-radius:6px;display:block;background:#000}
figcaption{margin-top:.5rem}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:1rem;
  margin-top:.8rem}
.thumbs figcaption{font-size:.76rem;color:var(--muted)}
.flag{color:var(--warn);font-weight:600}

/* tables */
.tablewrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.86rem}
th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:.76rem;text-transform:uppercase;
  letter-spacing:.03em}
td{font-variant-numeric:tabular-nums}
tr.row-crack td{background:rgba(196,78,82,.07)}
tr.row-bad td{background:rgba(139,148,158,.09);color:var(--muted)}
table.kv th{width:200px;text-transform:none;font-size:.86rem;color:var(--text);
  vertical-align:top}
td.heat{background:rgba(232,131,58,calc(var(--v)*.55));font-weight:600;text-align:center}

/* actions, limits */
.action-head{font-weight:650;color:var(--accent);margin-bottom:.3rem}
.action p{margin:.2rem 0 0}
.limits{margin:.5rem 0 0;padding-left:1.1rem}
.limits li{margin-bottom:.5rem}

/* footer */
.foot{border-top:1px solid var(--line);margin-top:3rem;padding:1.4rem 0 2.4rem}
.chip{display:inline-block;padding:3px 11px;border-radius:999px;font-size:.74rem;
  margin:0 6px 6px 0;background:#1C2129;color:#A9B4C0;border:1px solid var(--line2)}
.errcode{font-size:3rem;font-weight:700;color:var(--accent);margin:0}