/* ============================================================
   PERMIAN WELL CONTROL — BRAND BOOK
   A printable manual: warm "paper" reading pages + dark steel
   specimen panels. Uses the real Archivo/Barlow + ember system.
   Standalone (does not use the app's theme toggle).
   ============================================================ */
:root{
  --paper:#F3F0EA; --paper-2:#FBF9F5; --card:#FFFFFF;
  --ink:#18201F; --ink-2:#4B5660; --ink-3:#727C84;
  --rule:#E0D9CC; --rule-2:#CDC4B3;
  --ember:#F2842B; --ember-ink:#1B1106; --ember-deep:#D9641A;
  --steel:#2E7D9E; --steel-deep:#27607A;
  --panel:#0F1519; --panel-2:#161D22; --panel-line:#2A343B;
  --panel-text:#EBEFF1; --panel-text-2:#AEB8BE; --panel-text-3:#7C878E;
  --band-a:#67C6DC; --band-b:#3E9BC0; --band-c:#2F6E9E; --band-d:#2C4A77;
  --fd:"Archivo",system-ui,sans-serif; --fb:"Barlow",system-ui,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box;}
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{ margin:0; background:var(--paper); color:var(--ink); font-family:var(--fb); font-size:17px; line-height:1.65;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; }
h1,h2,h3,h4{ font-family:var(--fd); margin:0; line-height:1.05; letter-spacing:-.02em; font-weight:800; }
p{ margin:0; } a{ color:var(--ember-deep); }
.tnum{ font-variant-numeric:tabular-nums; }
:focus-visible{ outline:3px solid var(--ember); outline-offset:3px; }

/* ---------- COVER ---------- */
.cover{ min-height:100vh; background:radial-gradient(120% 90% at 80% 10%, #18222a 0%, var(--panel) 55%);
  color:var(--panel-text); display:flex; flex-direction:column; justify-content:space-between; position:relative; overflow:hidden; }
.cover-topo{ position:absolute; top:-10%; right:-14%; width:min(64vw,680px); opacity:.5; z-index:0; }
.cover-in{ position:relative; z-index:1; max-width:var(--maxw); width:100%; margin:0 auto; padding:clamp(28px,5vw,56px); flex:1; display:flex; flex-direction:column; }
.cover-top{ display:flex; align-items:center; gap:14px; }
.cover-word{ display:flex; flex-direction:column; line-height:1; }
.cover-l1{ font-family:var(--fd); font-weight:800; font-size:1.15rem; letter-spacing:.03em; }
.cover-l2{ font-family:var(--fd); font-weight:600; font-size:.78rem; letter-spacing:.24em; color:var(--panel-text-2); margin-top:4px; }
.cover-mid{ margin-top:auto; }
.cover-kicker{ font-family:var(--fb); font-weight:600; letter-spacing:.16em; text-transform:uppercase; font-size:.84rem; color:var(--ember); }
.cover-title{ font-size:clamp(2.8rem,8vw,6rem); font-weight:900; letter-spacing:-.03em; line-height:.98; margin-top:18px; }
.cover-sub{ color:var(--panel-text-2); font-size:clamp(1.05rem,1.8vw,1.4rem); max-width:54ch; margin-top:24px; line-height:1.5; }
.cover-foot{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:16px; align-items:flex-end;
  border-top:1px solid var(--panel-line); padding-top:22px; margin-top:40px; color:var(--panel-text-3); font-size:.9rem; }
.cover-tag{ color:var(--panel-text); font-family:var(--fd); font-weight:800; font-size:1.05rem; }

/* ---------- LAYOUT ---------- */
.shell{ max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:248px 1fr; gap:clamp(28px,4vw,64px);
  padding:clamp(28px,4vw,56px) clamp(20px,5vw,48px); align-items:start; }
.toc{ position:sticky; top:24px; }
.toc-h{ font-family:var(--fb); font-weight:700; letter-spacing:.14em; text-transform:uppercase; font-size:.74rem; color:var(--ink-3); margin-bottom:14px; }
.toc ol{ list-style:none; margin:0; padding:0; counter-reset:toc; }
.toc li{ counter-increment:toc; }
.toc a{ display:flex; gap:10px; padding:6px 0; color:var(--ink-2); text-decoration:none; font-size:.92rem; font-weight:500; border-bottom:1px solid transparent; }
.toc a::before{ content:counter(toc,decimal-leading-zero); font-family:var(--fd); font-weight:700; color:var(--ink-3); font-size:.78rem; }
.toc a:hover{ color:var(--ink); }
.book-main{ min-width:0; }

/* ---------- CHAPTERS ---------- */
.chapter{ padding-top:clamp(28px,5vw,56px); margin-bottom:clamp(36px,6vw,72px); border-top:2px solid var(--ink); }
.chapter:first-child{ border-top:none; padding-top:0; }
.chap-num{ font-family:var(--fd); font-weight:800; font-size:.9rem; color:var(--ember-deep); letter-spacing:.04em; }
.chap-title{ font-size:clamp(1.9rem,4vw,3rem); font-weight:900; letter-spacing:-.025em; line-height:1.02; margin:10px 0 0; max-width:18ch; }
.lead{ font-size:clamp(1.15rem,1.7vw,1.4rem); line-height:1.5; color:var(--ink); margin-top:20px; max-width:60ch; font-weight:500; }
.col{ max-width:68ch; }
.col p{ margin-top:16px; color:var(--ink-2); }
.col p strong{ color:var(--ink); font-weight:600; }
.h3{ font-size:1.3rem; font-weight:800; margin-top:38px; margin-bottom:6px; }
.eyebrow{ font-family:var(--fb); font-weight:700; letter-spacing:.14em; text-transform:uppercase; font-size:.76rem; color:var(--ember-deep); }
.note{ font-size:.92rem; color:var(--ink-3); font-style:italic; }

ul.ticks{ list-style:none; margin:16px 0 0; padding:0; }
ul.ticks li{ position:relative; padding-left:26px; margin-bottom:10px; color:var(--ink-2); line-height:1.55; }
ul.ticks li::before{ content:""; position:absolute; left:2px; top:9px; width:9px; height:9px; border:2px solid var(--ember); border-radius:2px; }
ul.ticks li strong{ color:var(--ink); }

/* two-column do/don't and persona grids */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:22px; }
.box{ border:1px solid var(--rule); border-radius:12px; padding:22px 24px; background:var(--paper-2); }
.box h4{ font-size:1.05rem; margin-bottom:10px; }
.box.good h4{ color:var(--steel-deep); } .box.bad h4{ color:#B0563B; }
.tags{ display:flex; flex-wrap:wrap; gap:7px; margin-top:4px; }
.tag{ font-family:var(--fb); font-weight:600; font-size:.84rem; padding:5px 11px; border-radius:999px; border:1px solid var(--rule-2); background:#fff; color:var(--ink); }
.tag.bad{ color:#9a4a32; border-color:#e3c2b6; background:#faf0ec; text-decoration:line-through; text-decoration-thickness:1px; }

/* persona cards */
.persona{ border:1px solid var(--rule); border-radius:14px; overflow:hidden; margin-top:18px; background:var(--paper-2); }
.persona-head{ padding:18px 22px; border-bottom:1px solid var(--rule); display:flex; justify-content:space-between; gap:14px; align-items:baseline; flex-wrap:wrap; }
.persona-name{ font-family:var(--fd); font-weight:800; font-size:1.18rem; }
.persona-mix{ display:flex; gap:8px; }
.mixchip{ font-family:var(--fd); font-weight:700; font-size:.8rem; padding:4px 10px; border-radius:6px; color:#fff; }
.persona-body{ padding:18px 22px; color:var(--ink-2); font-size:.98rem; line-height:1.55; }
.persona-body b{ color:var(--ink); }
.barrow{ display:flex; height:8px; border-radius:5px; overflow:hidden; margin-top:14px; border:1px solid var(--rule-2); }

/* ---------- SPECIMEN PANELS (dark) ---------- */
.panel{ background:var(--panel); color:var(--panel-text); border-radius:16px; padding:clamp(24px,3vw,40px); margin-top:26px; }
.panel.full{ } 
.panel .eyebrow{ color:var(--ember); }
.panel h3{ color:var(--panel-text); }
.panel p{ color:var(--panel-text-2); }

/* swatches */
.swatches{ display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:12px; margin-top:18px; }
.sw{ border-radius:10px; overflow:hidden; border:1px solid var(--panel-line); }
.sw-chip{ height:78px; display:flex; align-items:flex-end; padding:9px; }
.sw-meta{ padding:10px 11px; background:var(--panel-2); }
.sw-name{ font-family:var(--fd); font-weight:700; font-size:.9rem; color:var(--panel-text); }
.sw-hex{ font-family:var(--fb); font-variant-numeric:tabular-nums; font-size:.8rem; color:var(--panel-text-3); letter-spacing:.02em; }
.sw-role{ font-size:.78rem; color:var(--panel-text-2); margin-top:3px; line-height:1.35; }

/* paper swatches variant */
.swatches.light .sw{ border-color:var(--rule); }
.swatches.light .sw-meta{ background:#fff; }
.swatches.light .sw-name{ color:var(--ink); }
.swatches.light .sw-hex{ color:var(--ink-3); }
.swatches.light .sw-role{ color:var(--ink-2); }

/* band ramp */
.ramp{ display:flex; border-radius:10px; overflow:hidden; margin-top:18px; border:1px solid var(--panel-line); }
.ramp div{ flex:1; padding:16px 14px 14px; color:#06121a; font-weight:700; font-family:var(--fd); font-size:.82rem; min-height:84px; display:flex; flex-direction:column; justify-content:flex-end; }
.ramp small{ display:block; font-family:var(--fb); font-weight:600; font-size:.72rem; opacity:.8; }

/* type specimen */
.type-spec{ margin-top:18px; }
.type-row{ display:flex; align-items:baseline; gap:18px; padding:12px 0; border-bottom:1px solid var(--panel-line); flex-wrap:wrap; }
.type-label{ font-family:var(--fb); font-size:.78rem; color:var(--panel-text-3); width:110px; flex:none; letter-spacing:.04em; }
.type-sample{ font-family:var(--fd); color:var(--panel-text); line-height:1; }
.scale-list{ list-style:none; margin:14px 0 0; padding:0; }
.scale-list li{ display:flex; justify-content:space-between; gap:14px; padding:8px 0; border-bottom:1px solid var(--panel-line); color:var(--panel-text-2); font-size:.9rem; }
.scale-list b{ color:var(--panel-text); font-family:var(--fd); }

/* button / chip specimens */
.spec-row{ display:flex; flex-wrap:wrap; gap:14px; align-items:center; margin-top:18px; }
.call-spec{ display:inline-flex; align-items:center; gap:9px; background:var(--ember); color:var(--ember-ink); font-family:var(--fd);
  font-weight:800; padding:16px 26px; border-radius:8px; font-size:1.12rem; box-shadow:0 8px 24px -10px rgba(242,132,43,.7); }
.ghost-spec{ display:inline-flex; align-items:center; gap:8px; background:transparent; color:var(--panel-text); border:1.5px solid var(--panel-line);
  font-family:var(--fd); font-weight:700; padding:15px 22px; border-radius:8px; font-size:1rem; }
.opchip{ display:inline-flex; align-items:center; gap:8px; padding:8px 14px; border-radius:999px; border:1px solid var(--panel-line);
  background:var(--panel-2); color:var(--panel-text); font-weight:600; font-size:.9rem; }
.opdot{ width:8px; height:8px; border-radius:50%; }
.safety-spec{ display:flex; gap:9px; align-items:flex-start; color:var(--panel-text-2); font-size:.9rem; line-height:1.45; margin-top:18px;
  max-width:60ch; }
.safety-spec strong{ color:#fff; } .safety-spec .n911{ color:var(--ember); font-weight:700; }

/* logo lab */
.logos{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:18px; }
.logo-cell{ background:var(--panel-2); border:1px solid var(--panel-line); border-radius:12px; padding:20px; display:flex; flex-direction:column; align-items:center; gap:12px; text-align:center; }
.logo-cell.chosen{ border-color:var(--ember); box-shadow:0 0 0 1px var(--ember) inset; }
.logo-name{ font-family:var(--fd); font-weight:700; font-size:.88rem; color:var(--panel-text); }
.logo-why{ font-size:.78rem; color:var(--panel-text-3); line-height:1.4; }
.badge-chosen{ font-family:var(--fb); font-weight:700; font-size:.66rem; letter-spacing:.08em; text-transform:uppercase; color:var(--ember-ink); background:var(--ember); padding:2px 8px; border-radius:999px; }

/* token grid */
.tok-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:12px; margin-top:18px; }
.tok{ background:var(--panel-2); border:1px solid var(--panel-line); border-radius:10px; padding:14px 15px; }
.tok b{ font-family:var(--fd); color:var(--panel-text); display:block; }
.tok span{ font-size:.82rem; color:var(--panel-text-3); }
.radii-demo{ display:flex; gap:14px; margin-top:16px; flex-wrap:wrap; }
.radii-demo div{ width:84px; height:60px; background:var(--panel-2); border:1px solid var(--panel-line); display:grid; place-items:end center; padding-bottom:6px; font-size:.72rem; color:var(--panel-text-3); }

/* copy specimen / flavors */
.flavor{ border:1px solid var(--rule); border-radius:12px; padding:20px 22px; margin-top:14px; background:var(--paper-2); }
.flavor-h{ display:flex; gap:10px; align-items:baseline; flex-wrap:wrap; }
.flavor-name{ font-family:var(--fd); font-weight:800; font-size:1.1rem; }
.flavor-bet{ font-size:.86rem; color:var(--ink-3); }
.flavor-line{ font-family:var(--fd); font-weight:800; font-size:1.15rem; line-height:1.2; margin-top:10px; color:var(--ink); }
.flavor-sub{ color:var(--ink-2); font-size:.96rem; margin-top:8px; line-height:1.5; }

/* ads table */
.adtable{ width:100%; border-collapse:collapse; margin-top:16px; font-size:.92rem; }
.adtable th{ text-align:left; font-family:var(--fb); font-weight:700; font-size:.74rem; letter-spacing:.06em; text-transform:uppercase; color:var(--panel-text-3); padding:8px 12px; border-bottom:1px solid var(--panel-line); }
.adtable td{ padding:9px 12px; border-bottom:1px solid var(--panel-line); color:var(--panel-text-2); vertical-align:top; }
.adtable td.hl{ color:var(--panel-text); font-weight:600; }
.adtable td .c{ color:var(--panel-text-3); font-variant-numeric:tabular-nums; font-size:.84rem; }

.kv{ display:grid; grid-template-columns:auto 1fr; gap:6px 16px; margin-top:16px; }
.kv dt{ font-family:var(--fd); font-weight:700; color:var(--ink); }
.kv dd{ margin:0; color:var(--ink-2); }

.printcta{ position:fixed; right:18px; bottom:18px; z-index:50; display:inline-flex; align-items:center; gap:8px;
  background:var(--ember); color:var(--ember-ink); font-family:var(--fd); font-weight:800; border:none; cursor:pointer;
  padding:13px 18px; border-radius:999px; box-shadow:0 10px 30px -8px rgba(0,0,0,.4); font-size:.95rem; }

@media (max-width:880px){
  .shell{ grid-template-columns:1fr; }
  .toc{ position:static; border-bottom:1px solid var(--rule); padding-bottom:16px; margin-bottom:8px; }
  .toc ol{ columns:2; }
  .split{ grid-template-columns:1fr; }
  .logos{ grid-template-columns:1fr 1fr; }
}

/* ---------- PRINT (the "book") ---------- */
@media print{
  @page{ margin:16mm; }
  body{ background:#fff; font-size:11pt; }
  .printcta, .toc{ display:none !important; }
  .shell{ display:block; padding:0; max-width:none; }
  .cover{ min-height:auto; page-break-after:always; padding:0; }
  .chapter{ break-inside:avoid-page; page-break-before:always; border-top:none; }
  .chapter:first-of-type{ page-break-before:avoid; }
  .panel{ break-inside:avoid; -webkit-print-color-adjust:exact; print-color-adjust:exact; }
  .swatches,.ramp,.logos,.persona,.flavor,.box{ break-inside:avoid; }
  .panel,.call-spec,.ramp div,.sw-chip,.mixchip,.opdot,.tag{ -webkit-print-color-adjust:exact; print-color-adjust:exact; }
}