/* ============================================================
   Exactamino - lab tooling
   Shared by storage.html, reconstitution.html and compare.html.
   Built on the Spectrum tokens in styles.css; defines nothing
   the design system already carries.
   ============================================================ */

/* breadcrumb on a dark band */
.crumbs--dark { color:var(--d-ink-3); }
.crumbs--dark a { color:var(--d-ink-2); }
.crumbs--dark a:hover { color:var(--d-ink); }

/* ---------------------------------------------------- storage: three states */

.lab-states {
  display:grid; gap:clamp(16px,2vw,22px);
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
}
.lab-state { padding:clamp(22px,2.4vw,30px); position:relative; overflow:hidden; }
/* a hairline of signal colour along the top edge, so the three states are
   distinguishable at a glance without tinting the whole card */
.lab-state::before {
  content:""; position:absolute; inset:0 0 auto 0; height:3px;
  background:var(--lab-accent,var(--accent));
}
.lab-state--cold  { --lab-accent:linear-gradient(90deg,#a8d3ff,#2e7cf6); }
.lab-state--chill { --lab-accent:linear-gradient(90deg,#5fd39d,#0f7a52); }
.lab-state--deep  { --lab-accent:linear-gradient(90deg,#8ea8ff,#1e40af); }

.lab-state__icon {
  width:40px; height:40px; border-radius:var(--r-md);
  display:grid; place-items:center; margin-bottom:16px;
  background:var(--accent-tint); color:var(--accent);
}
.lab-state__icon svg { width:20px; height:20px; }
.lab-state h3 { font-size:var(--step-1); }
.lab-state__temp {
  font-family:var(--font-mono); font-size:var(--step-3); font-weight:600;
  color:var(--ink); margin-top:10px; letter-spacing:-.02em;
}
.lab-state__win {
  font-family:var(--font-mono); font-size:11px; text-transform:uppercase;
  letter-spacing:.14em; color:var(--ink-3); margin-top:4px;
}
.lab-state p { color:var(--ink-2); line-height:1.75; margin-top:14px; }

.lab-note {
  margin-top:clamp(20px,2.4vw,28px); padding:clamp(18px,2vw,24px);
  border:1px solid var(--line); border-left:3px solid var(--accent);
  border-radius:var(--r-md); background:var(--accent-tint);
  color:var(--ink-2); line-height:1.75; max-width:86ch;
}
.lab-note strong { color:var(--ink); }

.lab-table td:first-child { font-weight:500; color:var(--ink); }

/* ------------------------------------------------------- storage: procedure */

.lab-steps { list-style:none; padding:0; margin:0; display:grid; gap:clamp(14px,1.8vw,20px); }
.lab-step {
  display:grid; grid-template-columns:auto 1fr; gap:clamp(16px,2vw,24px);
  align-items:start; padding:clamp(20px,2.2vw,28px);
  border:1px solid var(--line); border-radius:var(--r-lg); background:var(--surface);
}
.lab-step__num {
  width:38px; height:38px; border-radius:var(--r-pill);
  display:grid; place-items:center;
  font-family:var(--font-mono); font-weight:600; font-size:15px;
  background:var(--n-900); color:#fff;
}
.lab-step h3 { font-size:var(--step-1); }
.lab-step p { color:var(--ink-2); line-height:1.75; margin-top:8px; max-width:78ch; }

/* ---------------------------------------------------------- storage: do/don't */

.lab-dd { display:grid; gap:clamp(16px,2vw,22px); grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); }
.lab-dd__col { padding:clamp(22px,2.4vw,30px); }
.lab-dd__col h3 { font-size:var(--step-1); display:flex; align-items:center; gap:10px; }
.lab-dd__mark { width:26px; height:26px; border-radius:var(--r-pill); display:grid; place-items:center; flex:0 0 auto; }
.lab-dd__mark svg { width:15px; height:15px; }
.lab-dd__mark.ok { background:var(--ok-tint); color:var(--ok); }
.lab-dd__mark.no { background:#fdeeed; color:var(--err); }
.lab-dd__col ul { list-style:none; padding:0; margin:18px 0 0; display:grid; gap:12px; }
.lab-dd__col li {
  color:var(--ink-2); line-height:1.7; padding-left:18px; position:relative;
}
.lab-dd__col li::before {
  content:""; position:absolute; left:0; top:.62em;
  width:6px; height:6px; border-radius:50%; background:var(--line-strong);
}

/* ================================================================ calculator */

.calc { display:grid; gap:clamp(20px,2.6vw,32px); grid-template-columns:minmax(0,380px) minmax(0,1fr); align-items:start; }
@media (max-width:900px){ .calc { grid-template-columns:1fr; } }

.calc__panel { padding:clamp(22px,2.4vw,30px); position:sticky; top:calc(var(--nav-h) + 16px); }
@media (max-width:900px){ .calc__panel { position:static; } }

.calc__field { display:block; margin-top:20px; }
.calc__label {
  display:flex; align-items:baseline; gap:8px; flex-wrap:wrap;
  font-family:var(--font-mono); font-size:11px; text-transform:uppercase;
  letter-spacing:.14em; color:var(--ink-3); margin-bottom:8px;
}
.calc__label small { text-transform:none; letter-spacing:0; font-size:11px; color:var(--ink-faint); font-family:var(--font-sans); }

.calc__inputrow { display:flex; gap:8px; }
.calc__inputrow--tight { max-width:220px; align-items:center; }
.calc__unit { font-family:var(--font-mono); font-size:13px; color:var(--ink-3); white-space:nowrap; }

.calc input[type=number], .calc select {
  width:100%; min-width:0; font:inherit; color:var(--ink);
  background:var(--surface); border:1px solid var(--line-strong);
  border-radius:var(--r-sm); padding:11px 12px;
  transition:border-color var(--dur) var(--ease-std), box-shadow var(--dur) var(--ease-std);
}
.calc input[type=number] { font-family:var(--font-mono); font-variant-numeric:tabular-nums; }
.calc select { flex:0 0 auto; width:auto; max-width:60%; }
.calc__field > .calc__inputrow > input { flex:1 1 auto; }
.calc input:focus, .calc select:focus {
  outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-tint-2);
}

.calc__presets { margin-top:20px; }
.calc__chips { display:flex; flex-wrap:wrap; gap:8px; }
.calc__chips .search-chip.on { background:var(--accent); color:#fff; border-color:var(--accent); }

/* ---- output side ---- */

.calc__out { display:grid; gap:clamp(14px,1.8vw,20px); }

.calc__hero {
  padding:clamp(24px,3vw,36px);
  background:
    radial-gradient(600px 260px at 15% 0%, var(--accent-tint), transparent 70%),
    var(--surface);
}
.calc__big {
  font-family:var(--font-mono); font-weight:600;
  font-size:clamp(2rem,1.2rem + 3.4vw,3.4rem); letter-spacing:-.03em;
  color:var(--ink); margin-top:10px; font-variant-numeric:tabular-nums;
  line-height:1.05;
}
.calc__sub { color:var(--ink-2); margin-top:8px; font-family:var(--font-mono); font-size:var(--step--1); }

.calc__cells { display:grid; gap:clamp(12px,1.4vw,16px); grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); }
.calc__cell { padding:18px 20px; }
.calc__cell dt {
  font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase;
  letter-spacing:.14em; color:var(--ink-3);
}
.calc__cell dd {
  font-family:var(--font-mono); font-weight:600; font-size:var(--step-2);
  color:var(--ink); margin:8px 0 0; letter-spacing:-.02em; font-variant-numeric:tabular-nums;
}
.calc__cell small { display:block; margin-top:6px; color:var(--ink-faint); font-size:11.5px; }

.calc__aliquot { padding:clamp(22px,2.4vw,30px); display:grid; gap:18px; }
.calc__aliquot-head p { color:var(--ink-2); line-height:1.75; margin-top:10px; max-width:70ch; }
.calc__aliquot-out { display:flex; flex-wrap:wrap; gap:clamp(20px,4vw,48px); margin:0; }
.calc__aliquot-out dt {
  font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase;
  letter-spacing:.14em; color:var(--ink-3);
}
.calc__aliquot-out dd {
  font-family:var(--font-mono); font-weight:600; font-size:var(--step-2);
  color:var(--ink); margin:6px 0 0; font-variant-numeric:tabular-nums;
}

.calc__ruo {
  color:var(--ink-3); font-size:var(--step--1); line-height:1.7;
  padding:16px 18px; border:1px dashed var(--line-strong); border-radius:var(--r-md);
}
.calc__ruo strong { color:var(--ink-2); }

.calc__reminders { list-style:none; padding:0; margin:16px 0 0; display:grid; gap:12px; }
.calc__reminders li { color:var(--ink-2); line-height:1.7; padding-left:18px; position:relative; }
.calc__reminders li::before {
  content:""; position:absolute; left:0; top:.62em;
  width:6px; height:6px; border-radius:50%; background:var(--accent); opacity:.5;
}

/* =================================================================== compare */

.cmp-pickers { display:flex; flex-wrap:wrap; gap:12px; align-items:flex-end; }
.cmp-picker { flex:1 1 220px; min-width:0; }
.cmp-picker select {
  width:100%; font:inherit; color:var(--ink); background:var(--surface);
  border:1px solid var(--line-strong); border-radius:var(--r-sm); padding:11px 12px;
}
.cmp-picker select:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-tint-2); }

.cmp-wrap { overflow-x:auto; margin-top:clamp(20px,2.6vw,32px); -webkit-overflow-scrolling:touch; }
.cmp-table { width:100%; border-collapse:separate; border-spacing:0; min-width:640px; }
.cmp-table th, .cmp-table td {
  padding:14px 16px; text-align:left; vertical-align:top;
  border-bottom:1px solid var(--line);
}
/* the row label column stays put while the compounds scroll */
.cmp-table th[scope=row] {
  font-family:var(--font-mono); font-size:11px; text-transform:uppercase;
  letter-spacing:.12em; color:var(--ink-3); font-weight:500;
  white-space:nowrap; position:sticky; left:0; background:var(--bg);
  border-right:1px solid var(--line);
}
.cmp-table thead th { border-bottom:1px solid var(--line-strong); }
.cmp-table td { color:var(--ink-2); }
.cmp-table td.mono, .cmp-table td .mono { font-family:var(--font-mono); font-variant-numeric:tabular-nums; }
.cmp-head__name { font-size:var(--step-1); font-weight:600; color:var(--ink); letter-spacing:-.02em; }
.cmp-head__sub { color:var(--ink-3); font-size:var(--step--1); margin-top:4px; }
.cmp-head__actions { display:flex; gap:8px; flex-wrap:wrap; margin-top:12px; }
.cmp-empty { color:var(--ink-faint); }