/* ==========================================================================
   QUALITY POWER CONTROLS — Solar Tools
   Extends the site's monochrome editorial system (css/styles.css tokens).
   Every selector is prefixed .qt- so nothing here can restyle existing pages.
   ========================================================================== */

:root{
  --qt-sun:#F2B705;          /* used only for sunlight / energy signals */
  --qt-good:#1F6B3A;
  --qt-warn-bg:#FFF6E0;
  --qt-warn-ink:#6E4A00;
  --qt-err:#9A1010;
}

/* The site's .field{display:flex} would otherwise override the hidden attribute. */
main [hidden]{ display:none !important; }

/* ---------- Hero ---------- */
.qt-hero{ background:var(--premium-black); color:var(--premium-white); position:relative; overflow:hidden; }
.qt-hero::before{
  content:''; position:absolute; inset:0; pointer-events:none;
  background:
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px) 0 0/64px 64px,
    linear-gradient(0deg, rgba(255,255,255,.06) 1px, transparent 1px) 0 0/64px 64px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 85%);
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 85%);
}
.qt-hero .container{ position:relative; padding-top:150px; padding-bottom:54px; }
.qt-hero h1{ max-width:15ch; }
.qt-hero .hero-sub{ margin-top:22px; }
.qt-crumb{ display:flex; gap:8px; flex-wrap:wrap; font-size:.75rem; font-weight:700; letter-spacing:.18em; text-transform:uppercase; color:var(--c-bd); margin-bottom:22px; }
.qt-crumb a{ color:inherit; }
.qt-crumb a:hover, .qt-crumb a:focus-visible{ color:var(--bg); text-decoration:underline; }

/* Tool switcher */
.qt-tabs{ display:flex; gap:0; margin-top:44px; border:1px solid var(--line-invert); width:max-content; max-width:100%; overflow-x:auto; scrollbar-width:none; }
.qt-tabs::-webkit-scrollbar{ display:none; }
.qt-tabs a{
  flex:0 0 auto; padding:14px 20px; font-size:.72rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase;
  color:var(--c-bd); border-left:1px solid var(--line-invert); white-space:nowrap;
  transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.qt-tabs a:first-child{ border-left:0; }
.qt-tabs a:hover, .qt-tabs a:focus-visible{ color:var(--bg); background:rgba(255,255,255,.08); }
.qt-tabs a[aria-current="page"]{ background:var(--bg); color:var(--ink); }
.qt-tabs a:focus-visible{ outline:2px solid var(--bg); outline-offset:-3px; }

/* ---------- Layout ---------- */
.qt-section{ padding:clamp(48px,7vw,96px) 0; background:var(--bg-soft); }
.qt-grid{ display:grid; grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr); gap:28px; align-items:start; }
.qt-grid.is-wide-left{ grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr); }
@media (max-width:1020px){ .qt-grid, .qt-grid.is-wide-left{ grid-template-columns:1fr; } }
.qt-stack{ display:grid; gap:28px; min-width:0; }
.qt-sticky{ position:sticky; top:96px; }
@media (max-width:1020px){ .qt-sticky{ position:static; } }

.qt-panel{ background:var(--bg); border:1px solid var(--line); padding:clamp(22px,3vw,36px); min-width:0; }
.qt-panel + .qt-panel{ margin-top:0; }
.qt-panel-head{ display:flex; align-items:baseline; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:22px; }
.qt-panel-head h2, .qt-h{
  font-family:var(--font-head); font-weight:800; text-transform:uppercase; letter-spacing:-.005em;
  font-size:clamp(1.05rem,1.6vw,1.3rem); margin:0;
}
.qt-step{ font-family:var(--font-head); font-weight:800; font-size:.75rem; letter-spacing:.14em; color:var(--muted); }
.qt-sub{ font-size:.9rem; color:var(--muted); line-height:1.6; margin-top:6px; max-width:60ch; }
.qt-divider{ height:1px; background:var(--line); margin:28px 0; border:0; }

.qt-badge{
  display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border:1px solid var(--line-strong);
  font-size:.66rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); white-space:nowrap;
}
.qt-badge.is-dark{ background:var(--ink); color:var(--bg); border-color:var(--ink); }

/* ---------- Fields (built on .field from styles.css) ---------- */
.qt-fields{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px 26px; }
.qt-fields.is-3{ grid-template-columns:repeat(3,minmax(0,1fr)); }
.qt-fields .is-full{ grid-column:1/-1; }
@media (max-width:640px){ .qt-fields, .qt-fields.is-3{ grid-template-columns:1fr; } }
.qt-fields .field{ gap:6px; min-width:0; }
.qt-fields .field label{ line-height:1.35; }
.qt-unit{ font-weight:500; letter-spacing:.04em; text-transform:none; color:var(--muted); }
.qt-input-wrap{ position:relative; display:flex; align-items:center; }
.qt-input-wrap input{ width:100%; }
.field input, .field select{ min-height:44px; border-radius:0; }
.field select{ appearance:none; -webkit-appearance:none; padding-right:26px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23000' stroke-width='1.8'%3E%3Cpath d='m1 1.5 5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 4px center; }
.qt-hint{ font-size:.78rem; line-height:1.45; color:var(--muted); }
.field.has-error .qt-hint{ color:var(--qt-err); font-weight:600; }
.field.has-error input, .field.has-error select, .field.has-error textarea{ border-bottom-color:var(--qt-err); box-shadow:0 1px 0 var(--qt-err); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible{ outline:none; border-bottom-color:var(--ink); box-shadow:0 1px 0 var(--ink); }

/* segmented choice */
.qt-seg{ display:flex; border:1px solid var(--line-strong); width:100%; }
.qt-seg label{ flex:1; position:relative; text-align:center; cursor:pointer; }
.qt-seg input{ position:absolute; opacity:0; inset:0; cursor:pointer; margin:0; }
.qt-seg span{ display:block; padding:12px 8px; font-size:.72rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); border-left:1px solid var(--line-strong); transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.qt-seg label:first-child span{ border-left:0; }
.qt-seg input:checked + span{ background:var(--ink); color:var(--bg); }
.qt-seg input:focus-visible + span{ outline:2px solid var(--ink); outline-offset:2px; }

/* ---------- Results ---------- */
.qt-stats{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:0; padding:0 1px 1px 0; }
.qt-stats.is-2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
@media (max-width:560px){ .qt-stats{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
.qt-stat{ background:var(--bg); padding:18px 16px; min-width:0; border:1px solid var(--line); margin:0 -1px -1px 0; }
.qt-stat .k{ font-size:.66rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); }
.qt-stat .v{ display:block; margin-top:8px; font-family:var(--font-head); font-weight:800; font-size:clamp(1.15rem,2.1vw,1.55rem); line-height:1.1; overflow-wrap:anywhere; }
.qt-stat .s{ display:block; margin-top:6px; font-size:.76rem; color:var(--muted); line-height:1.4; }
.qt-stat.is-primary{ background:var(--ink); color:var(--bg); }
.qt-stat.is-primary .k, .qt-stat.is-primary .s{ color:var(--c-bd); }
.qt-stat.is-good .v{ color:var(--qt-good); }

.qt-headline{ display:grid; grid-template-columns:auto 1fr; gap:22px; align-items:end; padding-bottom:24px; border-bottom:1px solid var(--line); margin-bottom:22px; }
.qt-headline .big{ font-family:var(--font-head); font-weight:800; font-size:clamp(2.6rem,6vw,4.4rem); line-height:.9; letter-spacing:-.03em; }
.qt-headline .big small{ font-size:.38em; letter-spacing:0; margin-left:4px; }
.qt-headline p{ color:var(--ink-soft); line-height:1.55; font-size:.95rem; }
@media (max-width:560px){ .qt-headline{ grid-template-columns:1fr; gap:10px; } }

.qt-list-warn{ display:grid; gap:8px; margin-top:16px; }
.qt-list-warn li{ background:var(--qt-warn-bg); color:var(--qt-warn-ink); padding:12px 14px; font-size:.85rem; line-height:1.5; border-left:3px solid #C98A00; }
.qt-empty{ padding:26px; border:1px dashed var(--line-strong); text-align:center; color:var(--muted); font-size:.92rem; line-height:1.6; }
.qt-error-box{ padding:16px 18px; border-left:3px solid var(--qt-err); background:#FBEEEE; color:var(--qt-err); font-size:.9rem; font-weight:600; }

/* ---------- Charts (inline SVG) ---------- */
.qt-chart{ margin-top:26px; }
.qt-chart figcaption{ font-size:.72rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:10px; }
.qt-chart svg{ width:100%; height:auto; display:block; overflow:visible; }
.qt-chart .note{ margin-top:8px; font-size:.76rem; color:var(--muted); line-height:1.5; }
.qt-chart text{ font-family:var(--font-body); }

/* ---------- Tables ---------- */
.qt-table-wrap{ overflow-x:auto; -webkit-overflow-scrolling:touch; border:1px solid var(--line); background:var(--bg); }
.qt-table{ width:100%; border-collapse:collapse; font-size:.84rem; font-variant-numeric:tabular-nums; }
.qt-table th, .qt-table td{ padding:10px 12px; text-align:left; border-bottom:1px solid var(--line); white-space:nowrap; }
.qt-table thead th{ background:var(--ink); color:var(--bg); font-size:.66rem; letter-spacing:.12em; text-transform:uppercase; font-weight:700; position:sticky; top:0; }
.qt-table td.num, .qt-table th.num{ text-align:right; }
.qt-table tbody tr:nth-child(even) td{ background:#FAFAFA; }
.qt-table .neg{ color:#777; }
.qt-scroll{ max-height:420px; overflow:auto; }

details.qt-details{ border:1px solid var(--line); background:var(--bg); }
details.qt-details > summary{ cursor:pointer; list-style:none; padding:18px 22px; font-family:var(--font-head); font-weight:800; text-transform:uppercase; font-size:.95rem; display:flex; justify-content:space-between; align-items:center; gap:12px; }
details.qt-details > summary::-webkit-details-marker{ display:none; }
details.qt-details > summary::after{ content:'+'; font-size:1.3rem; font-weight:500; }
details.qt-details[open] > summary::after{ content:'–'; }
details.qt-details > summary:focus-visible{ outline:2px solid var(--ink); outline-offset:-2px; }
details.qt-details .qt-details-body{ padding:0 22px 22px; }

/* ---------- Notes / assumptions ---------- */
.qt-note{ border-left:3px solid var(--ink); background:var(--bg); padding:20px 22px; font-size:.88rem; line-height:1.65; color:var(--ink-soft); }
.qt-note strong{ display:block; font-family:var(--font-head); text-transform:uppercase; font-size:.8rem; letter-spacing:.08em; color:var(--ink); margin-bottom:6px; }
.qt-note p + p{ margin-top:10px; }
.qt-note.is-warn{ border-left-color:#C98A00; background:var(--qt-warn-bg); color:var(--qt-warn-ink); }
.qt-note.is-warn strong{ color:var(--qt-warn-ink); }
.qt-assume{ display:grid; gap:10px; margin-top:4px; }
.qt-assume li{ position:relative; padding-left:16px; font-size:.86rem; line-height:1.6; color:var(--ink-soft); }
.qt-assume li::before{ content:''; position:absolute; left:0; top:.62em; width:6px; height:6px; background:var(--ink); }

/* ---------- Actions ---------- */
.qt-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:24px; }
.qt-actions .btn{ min-height:48px; }
.qt-status{ margin-top:14px; font-size:.85rem; padding:10px 14px; }
.qt-status.is-ok{ background:#EEF6F0; color:var(--qt-good); }
.qt-status.is-error{ background:#FBEEEE; color:var(--qt-err); font-weight:600; }
.qt-report-who{ margin-top:22px; border-top:1px solid var(--line); padding-top:20px; }
.qt-report-who > summary{ cursor:pointer; font-weight:700; font-size:.8rem; letter-spacing:.08em; text-transform:uppercase; }
.qt-report-who > summary:focus-visible{ outline:2px solid var(--ink); outline-offset:3px; }
.qt-report-who .qt-fields{ margin-top:16px; }
.qt-privacy{ font-size:.76rem; color:var(--muted); margin-top:10px; line-height:1.5; }

/* ---------- Tools hub ---------- */
.qt-hub{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); }
@media (max-width:760px){ .qt-hub{ grid-template-columns:1fr; } }
.qt-hub a:last-child:nth-child(odd){ grid-column:1/-1; }
.qt-hub a{ background:var(--bg); padding:clamp(28px,4vw,48px); display:flex; flex-direction:column; gap:14px; min-height:280px; transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.qt-hub a:hover, .qt-hub a:focus-visible{ background:var(--ink); color:var(--bg); }
.qt-hub a:hover p, .qt-hub a:focus-visible p, .qt-hub a:hover .qt-step, .qt-hub a:focus-visible .qt-step{ color:var(--c-bd); }
.qt-hub a:focus-visible{ outline:2px solid var(--ink); outline-offset:3px; }
.qt-hub h2{ font-family:var(--font-head); font-weight:800; text-transform:uppercase; font-size:clamp(1.4rem,2.6vw,2rem); line-height:1.05; }
.qt-hub p{ color:var(--ink-soft); line-height:1.6; max-width:46ch; }
.qt-hub .go{ margin-top:auto; font-size:.75rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; display:inline-flex; gap:8px; align-items:center; }
.qt-hub svg.qt-ico{ width:34px; height:34px; }

/* Promo band used on the existing Solar page */
.qt-promo{ background:var(--bg-soft); padding:clamp(56px,8vw,100px) 0; border-top:1px solid var(--line); }
.qt-promo-grid{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:36px; }
@media (max-width:900px){ .qt-promo-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .qt-promo-grid{ grid-template-columns:1fr; } }
.qt-promo-grid a{ background:var(--bg); padding:26px 22px; display:flex; flex-direction:column; gap:10px; transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.qt-promo-grid a:hover, .qt-promo-grid a:focus-visible{ background:var(--ink); color:var(--bg); }
.qt-promo-grid a:hover p, .qt-promo-grid a:focus-visible p{ color:var(--c-bd); }
.qt-promo-grid h3{ font-family:var(--font-head); font-weight:800; text-transform:uppercase; font-size:1.05rem; }
.qt-promo-grid p{ font-size:.88rem; color:var(--ink-soft); line-height:1.55; }

/* ---------- Quotation editor ---------- */
.qt-lines{ display:grid; gap:12px; }
.qt-line{ border:1px solid var(--line); padding:16px 16px 14px; display:grid; grid-template-columns:28px minmax(0,1fr) auto; gap:14px; align-items:start; background:var(--bg); }
.qt-line.has-error{ border-color:var(--qt-err); }
.qt-line-no{ font-family:var(--font-head); font-weight:800; font-size:.85rem; padding-top:12px; color:var(--muted); }
.qt-line-body{ display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:12px 14px; }
.qt-line-body .desc{ grid-column:1/-1; }
.qt-line-body .field label{ font-size:.62rem; }
.qt-line-body textarea{ min-height:46px; resize:vertical; }
.qt-line-amt{ grid-column:1/-1; display:flex; justify-content:space-between; gap:10px; font-size:.82rem; color:var(--muted); border-top:1px dashed var(--line); padding-top:10px; }
.qt-line-amt b{ color:var(--ink); font-variant-numeric:tabular-nums; }
.qt-line-tools{ display:flex; flex-direction:column; gap:6px; }
.qt-icon-btn{ width:40px; height:40px; display:inline-flex; align-items:center; justify-content:center; border:1px solid var(--line-strong); background:var(--bg); cursor:pointer; color:var(--ink); }
.qt-icon-btn:hover{ background:var(--ink); color:var(--bg); border-color:var(--ink); }
.qt-icon-btn:focus-visible{ outline:2px solid var(--ink); outline-offset:2px; }
.qt-icon-btn[disabled]{ opacity:.35; pointer-events:none; }
.qt-icon-btn svg{ width:16px; height:16px; }
@media (max-width:760px){
  .qt-line-body{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .qt-line{ grid-template-columns:minmax(0,1fr) auto; }
  .qt-line-no{ display:none; }
}
.qt-totals{ display:grid; gap:0; font-variant-numeric:tabular-nums; }
.qt-totals div{ display:flex; justify-content:space-between; gap:12px; padding:10px 0; border-bottom:1px solid var(--line); font-size:.92rem; }
.qt-totals div span:first-child{ color:var(--muted); }
.qt-totals .grand{ border-bottom:0; border-top:2px solid var(--ink); margin-top:6px; padding-top:14px; font-family:var(--font-head); font-weight:800; font-size:1.25rem; }
.qt-totals .grand span:first-child{ color:var(--ink); }
.qt-words{ margin-top:12px; font-size:.82rem; color:var(--ink-soft); line-height:1.5; font-style:italic; }
.qt-terms{ display:grid; gap:10px; }
.qt-term{ display:grid; grid-template-columns:minmax(0,1fr) auto; gap:10px; align-items:start; }
.qt-term textarea{ min-height:44px; width:100%; }

/* ---------- Simulator ---------- */
.qt-sim{ display:grid; grid-template-columns:minmax(0,1fr) 380px; gap:0; background:var(--ink); border:1px solid var(--ink); }
@media (max-width:1100px){ .qt-sim{ grid-template-columns:1fr; } }
.qt-stage{ position:relative; min-height:560px; height:min(72vh,720px); background:#0b0d10; overflow:hidden; }
@media (max-width:1100px){ .qt-stage{ height:62vh; min-height:420px; } }
@media (max-width:560px){ .qt-stage{ height:56vh; min-height:360px; } }
.qt-stage canvas{ display:block; width:100%; height:100%; touch-action:none; outline:none; }
.qt-stage canvas:focus-visible{ box-shadow:inset 0 0 0 2px var(--bg); }
.qt-stage-overlay{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; text-align:center; padding:24px; color:var(--bg); background:#0b0d10; z-index:3; }
.qt-stage-overlay[hidden]{ display:none; }
.qt-stage-overlay p{ max-width:44ch; line-height:1.6; color:var(--c-bd); }
.qt-stage-overlay strong{ display:block; font-family:var(--font-head); text-transform:uppercase; color:var(--bg); margin-bottom:8px; letter-spacing:.06em; }
.qt-spinner{ width:34px; height:34px; border:2px solid rgba(255,255,255,.2); border-top-color:var(--bg); border-radius:50%; margin:0 auto 16px; animation:qt-spin 1s linear infinite; }
@keyframes qt-spin{ to{ transform:rotate(360deg); } }
.qt-hud{ position:absolute; left:16px; top:16px; right:16px; display:flex; justify-content:space-between; align-items:flex-start; gap:12px; pointer-events:none; z-index:2; }
.qt-hud > *{ pointer-events:auto; }
.qt-chip{ background:rgba(0,0,0,.72); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); color:var(--bg); border:1px solid rgba(255,255,255,.16); padding:10px 14px; }
.qt-chip .k{ font-size:.6rem; letter-spacing:.16em; text-transform:uppercase; color:var(--c-bd); font-weight:700; }
.qt-chip .v{ font-family:var(--font-head); font-weight:800; font-size:1.35rem; line-height:1.1; margin-top:2px; font-variant-numeric:tabular-nums; }
.qt-chip .s{ font-size:.7rem; color:var(--c-bd); margin-top:2px; }
.qt-cam{ position:absolute; left:16px; bottom:16px; display:flex; gap:0; z-index:2; border:1px solid rgba(255,255,255,.2); background:rgba(0,0,0,.7); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px); flex-wrap:wrap; max-width:calc(100% - 32px); }
.qt-cam button{ background:transparent; color:var(--c-bd); border:0; border-left:1px solid rgba(255,255,255,.16); padding:10px 13px; font-size:.64rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; cursor:pointer; min-height:40px; }
.qt-cam button:first-child{ border-left:0; }
.qt-cam button:hover, .qt-cam button[aria-pressed="true"]{ color:var(--ink); background:var(--bg); }
.qt-cam button:focus-visible{ outline:2px solid var(--bg); outline-offset:-3px; }
.qt-legend{ position:absolute; right:16px; bottom:16px; z-index:2; display:grid; gap:6px; font-size:.68rem; color:var(--c-bd); background:rgba(0,0,0,.7); padding:10px 12px; border:1px solid rgba(255,255,255,.16); }
.qt-legend i{ display:inline-block; width:9px; height:9px; border-radius:50%; margin-right:7px; vertical-align:-1px; }
@media (max-width:640px){ .qt-legend{ display:none; } }

.qt-controls{ background:var(--bg); padding:24px; display:grid; gap:22px; align-content:start; max-height:min(72vh,720px); overflow:auto; }
@media (max-width:1100px){ .qt-controls{ max-height:none; } }
.qt-controls h3{ font-size:.68rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); margin-bottom:10px; }
.qt-houses{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:6px; }
@media (max-width:1100px) and (min-width:560px){ .qt-houses{ grid-template-columns:repeat(6,minmax(0,1fr)); } }
.qt-house{ border:1px solid var(--line-strong); background:var(--bg); padding:10px 6px 9px; cursor:pointer; display:flex; flex-direction:column; align-items:center; gap:6px; font-size:.62rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); line-height:1.2; text-align:center; min-height:84px; }
.qt-house svg{ width:44px; height:30px; }
.qt-house[aria-pressed="true"]{ background:var(--ink); color:var(--bg); border-color:var(--ink); }
.qt-house:focus-visible{ outline:2px solid var(--ink); outline-offset:2px; }
.qt-stepper{ display:grid; grid-template-columns:44px 1fr 44px; border:1px solid var(--line-strong); align-items:center; }
.qt-stepper button{ height:44px; border:0; background:var(--bg); font-size:1.2rem; cursor:pointer; }
.qt-stepper button:hover{ background:var(--ink); color:var(--bg); }
.qt-stepper button:focus-visible{ outline:2px solid var(--ink); outline-offset:-2px; }
.qt-stepper output{ text-align:center; font-family:var(--font-head); font-weight:800; font-size:1.05rem; border-left:1px solid var(--line-strong); border-right:1px solid var(--line-strong); line-height:44px; font-variant-numeric:tabular-nums; }
.qt-range{ width:100%; accent-color:var(--ink); min-height:32px; }
.qt-range-row{ display:flex; justify-content:space-between; font-size:.78rem; color:var(--muted); }
.qt-range-row b{ color:var(--ink); font-variant-numeric:tabular-nums; }
.qt-toggle{ display:flex; align-items:center; gap:10px; font-size:.86rem; cursor:pointer; }
.qt-toggle input{ width:18px; height:18px; accent-color:var(--ink); }
.qt-flowlist{ display:grid; gap:0; border:1px solid var(--line); }
.qt-flowlist div{ display:flex; justify-content:space-between; gap:10px; padding:10px 12px; font-size:.84rem; border-top:1px solid var(--line); font-variant-numeric:tabular-nums; }
.qt-flowlist div:first-child{ border-top:0; }
.qt-flowlist span:first-child{ display:flex; align-items:center; gap:8px; color:var(--ink-soft); }
.qt-flowlist i{ width:8px; height:8px; border-radius:50%; display:inline-block; }
.qt-flowlist b{ font-weight:700; }

.qt-hud, .qt-cam, .qt-legend{ font-variant-numeric:tabular-nums; }
@media (max-width:560px){
  .qt-hud{ left:8px; right:8px; top:8px; }
  .qt-chip{ padding:7px 10px; }
  .qt-chip .v{ font-size:1.02rem; }
  .qt-chip .s{ font-size:.62rem; }
  .qt-cam{ left:8px; right:8px; bottom:8px; max-width:none; flex-wrap:nowrap; overflow-x:auto; scrollbar-width:none; }
  .qt-cam::-webkit-scrollbar{ display:none; }
  .qt-cam button{ flex:0 0 auto; padding:9px 10px; font-size:.56rem; min-height:36px; }
}
.qt-stage #labels{ position:absolute; inset:0; pointer-events:none; overflow:hidden; z-index:1; }
.qt-label{ position:absolute; left:0; top:0; background:rgba(0,0,0,.78); color:#fff; font-size:.6rem; font-weight:700; letter-spacing:.12em; text-transform:uppercase; padding:5px 8px; white-space:nowrap; border:1px solid rgba(255,255,255,.22); will-change:transform; }
.qt-label::after{ content:''; position:absolute; left:50%; top:100%; width:1px; height:10px; background:rgba(255,255,255,.6); }
@media (max-width:560px){ .qt-label{ font-size:.52rem; padding:4px 6px; } }

.qt-sr{ position:absolute !important; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

/* ==========================================================================
   Cinematic layer for the tools (shares the site-wide video background)
   ========================================================================== */
.qt-hero{ background:transparent; }
.qt-hero::before{ display:none; }
.qt-hero .container{ padding-top:clamp(120px,14vw,160px); padding-bottom:clamp(28px,4vw,44px); }
.qt-tabs{ background:rgba(7,12,20,.55); border-color:rgba(255,255,255,.28); border-radius:999px; overflow:hidden; }
.qt-tabs a{ color:#fff; }
.qt-tabs a[aria-current="page"]{ background:#fff; color:var(--ink); }
.qt-section, .qt-promo{ background:transparent; border-top:0; }
.qt-section{ padding:var(--float-gap) 0 calc(var(--float-gap) * 1.5); }
.qt-panel, .qt-note, details.qt-details, .qt-hub, .qt-promo-grid, .qt-table-wrap{ border-radius:var(--float-radius); box-shadow:var(--float-shadow); }
.qt-panel, details.qt-details{ background:var(--glass-light); border-color:rgba(255,255,255,.6); overflow:hidden; }
.qt-note{ background:var(--glass-light); }
.qt-note.is-warn{ background:rgba(255,246,224,.96); }
.qt-hub, .qt-promo-grid{ overflow:hidden; border-color:rgba(255,255,255,.5); }
.qt-promo > .container{ background:var(--glass-dark); border:1px solid var(--glass-line); border-radius:var(--float-radius); padding:var(--float-pad); box-shadow:var(--float-shadow); width:calc(100% - 2 * var(--gutter)); max-width:calc(var(--container) - 2 * var(--gutter)); }
.qt-promo .eyebrow{ color:rgba(255,255,255,.8); }
.qt-promo .eyebrow::before{ background:var(--solar-warm); }
.qt-promo .section-title{ color:#fff; }
.qt-promo-grid{ box-shadow:none; }
.qt-sim{ border-radius:var(--float-radius); overflow:hidden; box-shadow:var(--float-shadow); border:1px solid rgba(255,255,255,.2); }
.qt-grid > .qt-note{ border-radius:var(--float-radius); }
.qt-crumb{ color:#fff; }
.qt-crumb a{ color:#fff; opacity:.9; }

/* ---------- Simulator scenario bar (location · time of day · season) ---------- */
.qt-scenario{ display:grid; grid-template-columns:minmax(0,.8fr) minmax(0,1.25fr) minmax(0,1.1fr); gap:clamp(18px,3vw,36px); }
@media (max-width:1100px){ .qt-scenario{ grid-template-columns:1fr 1fr; } .qt-scenario .qt-scn-col:first-child{ grid-column:1/-1; display:grid; grid-template-columns:1fr 1fr; gap:0 18px; align-items:end; } .qt-scenario .qt-scn-col:first-child .qt-scn-h{ grid-column:1/-1; } }
@media (max-width:700px){ .qt-scenario{ grid-template-columns:1fr; } .qt-scenario .qt-scn-col:first-child{ grid-template-columns:1fr; } }
.qt-scn-col{ min-width:0; }
.qt-scn-h{ display:flex; align-items:center; gap:10px; font-family:var(--font-head); font-weight:800; text-transform:uppercase; font-size:.92rem; letter-spacing:.02em; margin:0 0 14px; }
.qt-scn-h span{ width:24px; height:24px; border-radius:50%; background:var(--ink); color:#fff; display:inline-flex; align-items:center; justify-content:center; font-size:.72rem; }
.qt-chips{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:6px; }
.qt-chipbtn{ border:1px solid var(--line-strong); background:#fff; border-radius:10px; padding:10px 6px 8px; cursor:pointer; display:flex; flex-direction:column; align-items:center; gap:3px; font-family:var(--font-body); color:var(--ink-soft); min-height:64px; transition:background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease); }
.qt-chipbtn svg{ width:20px; height:20px; }
.qt-chipbtn span{ font-size:.7rem; font-weight:800; letter-spacing:.06em; text-transform:uppercase; }
.qt-chipbtn small{ font-size:.72rem; color:var(--muted); font-variant-numeric:tabular-nums; }
.qt-chipbtn:hover{ border-color:var(--ink); }
.qt-chipbtn[aria-checked="true"]{ background:var(--ink); color:#fff; border-color:var(--ink); box-shadow:inset 0 -3px 0 var(--solar-warm, #F2B705); }
.qt-chipbtn[aria-checked="true"] small{ color:#cfcfcf; }
.qt-chipbtn:focus-visible{ outline:2px solid var(--solar-warm, #F2B705); outline-offset:2px; }
.qt-time-row{ display:grid; grid-template-columns:auto 1fr auto; gap:10px; align-items:center; margin-top:12px; }
.qt-time-row input[type=time]{ border:1px solid var(--line-strong); border-radius:8px; padding:8px 10px; font:600 .95rem var(--font-body); font-variant-numeric:tabular-nums; min-height:40px; background:#fff; }
.qt-play{ width:40px; height:40px; border-radius:50%; border:1px solid var(--ink); background:#fff; cursor:pointer; font-size:.8rem; }
.qt-play[aria-pressed="true"]{ background:var(--ink); color:#fff; }
.qt-play:focus-visible{ outline:2px solid var(--solar-warm, #F2B705); outline-offset:2px; }
.qt-sunline{ margin-top:8px; font-size:.8rem; color:var(--ink-soft); line-height:1.45; min-height:2.2em; }
details.qt-mini{ margin-top:6px; font-size:.78rem; }
details.qt-mini > summary{ cursor:pointer; color:var(--muted); font-weight:700; letter-spacing:.06em; text-transform:uppercase; font-size:.66rem; }
.qt-preset-times{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:8px; margin-top:8px; }
.qt-preset-times label{ display:flex; flex-direction:column; gap:4px; font-size:.66rem; font-weight:700; text-transform:uppercase; color:var(--muted); letter-spacing:.06em; }
.qt-preset-times input{ border:1px solid var(--line-strong); border-radius:6px; padding:6px; font:600 .8rem var(--font-body); min-width:0; }
@media (max-width:480px){ .qt-chips, .qt-preset-times{ grid-template-columns:repeat(2,minmax(0,1fr)); } }
.qt-assume-table td, .qt-assume-table th{ white-space:normal; vertical-align:middle; }
.qt-assume-table input{ width:100%; min-width:84px; border:0; border-bottom:1px solid var(--line-strong); padding:8px 2px; font:500 .9rem var(--font-body); background:transparent; }
.qt-assume-table input[type=date]{ min-width:140px; }
.qt-assume-table input:focus-visible{ outline:none; border-bottom-color:var(--ink); box-shadow:0 1px 0 var(--ink); }
#simResults .qt-stats{ grid-template-columns:repeat(3,minmax(0,1fr)); }
@media (max-width:560px){ #simResults .qt-stats{ grid-template-columns:1fr 1fr; } }