:root{
  color-scheme:dark;
  --canvas:#0e0d0b;
  --surface:rgba(24,21,16,.86);
  --surface-soft:rgba(28,25,19,.68);
  --paper:#f4f1e9;
  --ink:#f2eadc;
  --muted:#aaa195;
  --gold:#c8a457;
  --gold-bright:#e0c477;
  --line:rgba(255,255,255,.09);
  --radius:12px;
  --radius-lg:18px;
  --content:1240px;
  --shadow:0 20px 64px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.06);
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--canvas);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
body{min-height:100%;margin:0;background:transparent}
body::before{content:"";position:fixed;z-index:-1;inset:0;background-color:var(--canvas);background-image:linear-gradient(rgba(7,6,5,.4),rgba(7,6,5,.54)),url("/api/background/desktop.webp");background-position:center;background-size:cover;pointer-events:none}
button,a{font:inherit;color:inherit;-webkit-tap-highlight-color:transparent}
a{text-decoration:none}
button{border:0}
img{display:block;max-width:100%}
.ui-icon{display:block;width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;border:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
:focus-visible{outline:3px solid var(--gold-bright);outline-offset:3px}
.instructions-shell{min-height:100dvh}
.instructions-page .welcome-actions--single{display:flex;width:auto}
.instructions-page .welcome-actions--single .button{min-width:190px}
.instructions-page.is-starting .site-strip,.instructions-page.is-starting .instructions-main,.instructions-page.is-starting .instructions-footer{visibility:hidden;opacity:0;pointer-events:none}
.instructions-page.is-revealing .site-strip,.instructions-page.is-revealing .instructions-main,.instructions-page.is-revealing .instructions-footer{visibility:visible;pointer-events:auto;transform-origin:50% 0;animation:section-fan-reveal 1380ms cubic-bezier(.16,1,.3,1) both}
.instructions-page.is-revealing .instructions-main{animation-delay:150ms}
.instructions-page.is-revealing .instructions-footer{animation-delay:270ms}
.instructions-page.is-started .site-strip,.instructions-page.is-started .instructions-main,.instructions-page.is-started .instructions-footer{visibility:visible;opacity:1;pointer-events:auto}
.site-strip{position:sticky;z-index:20;top:0;padding:10px 14px 0}
.site-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;width:min(100%,var(--content));min-height:70px;margin:auto;padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(17,15,12,.72);box-shadow:var(--shadow);backdrop-filter:blur(22px) saturate(120%);-webkit-backdrop-filter:blur(22px) saturate(120%)}
.site-strip__inner h2{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(22px,2.2vw,30px);font-weight:400;letter-spacing:-.025em}
.site-strip__inner>span{color:var(--muted);font-size:13px;font-weight:700}
.brand-link{display:flex;align-items:center;gap:11px;min-width:0}
.brand-link img{width:52px;height:52px;object-fit:contain;filter:drop-shadow(0 5px 12px rgba(0,0,0,.45))}
.brand-link span{font-family:Georgia,"Times New Roman",serif;font-size:18px;letter-spacing:.025em}
.quiet-link,.control-button,.primary-action,.secondary-action{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 16px;border-radius:10px;background:rgba(255,255,255,.045);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 0 0 1px rgba(255,255,255,.06);cursor:pointer;font-weight:700;transition:background-color 160ms ease-out,color 160ms ease-out,scale 140ms ease-out,box-shadow 180ms ease-out}
.quiet-link:hover,.control-button:hover,.secondary-action:hover{background:rgba(255,255,255,.085)}
.primary-action{background:linear-gradient(180deg,var(--gold-bright),var(--gold));color:var(--canvas);box-shadow:inset 0 1px 0 rgba(255,255,255,.26),0 10px 28px rgba(200,164,87,.16)}
.quiet-link:active,.control-button:active,.primary-action:active,.secondary-action:active{scale:.97}
.instructions-main{width:min(calc(100% - 28px),var(--content));margin:0 auto;padding:18px 0 70px}
.instruction-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.instruction-card{display:grid;grid-template-rows:auto 1fr;min-width:0;overflow:hidden;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);background:linear-gradient(180deg,rgba(35,31,24,.72),rgba(17,15,12,.82));box-shadow:0 14px 40px rgba(0,0,0,.26);transition:border-color 180ms ease-out,box-shadow 180ms ease-out}
.instruction-card:hover{border-color:rgba(224,196,119,.34);box-shadow:0 18px 48px rgba(0,0,0,.34),0 0 0 1px rgba(200,164,87,.08)}
.instruction-cover{position:relative;display:grid;place-items:center;aspect-ratio:4/3;overflow:hidden;background:radial-gradient(circle at 50% 34%,rgba(224,196,119,.1),transparent 55%),#12100d}
.instruction-cover::after{content:"";position:absolute;inset:0;box-shadow:inset 0 -34px 54px rgba(0,0,0,.2);pointer-events:none}
.instruction-cover img{width:calc(100% - 26px);height:calc(100% - 26px);object-fit:contain;filter:drop-shadow(0 10px 18px rgba(0,0,0,.28));transition:transform 320ms cubic-bezier(.2,0,0,1)}
.instruction-card:hover .instruction-cover img{transform:scale(1.018)}
.page-badge{position:absolute;z-index:2;right:12px;bottom:12px;padding:6px 9px;border-radius:8px;background:rgba(14,13,11,.84);color:var(--gold-bright);box-shadow:inset 0 0 0 1px rgba(224,196,119,.18);font-size:12px;font-weight:700;backdrop-filter:blur(8px)}
.instruction-card__body{display:grid;align-content:start;gap:16px;padding:18px}
.instruction-card__copy{display:grid;gap:5px}
.instruction-card h2{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:clamp(22px,2.2vw,30px);font-weight:400;line-height:1.05;letter-spacing:-.025em}
.instruction-card__meta{margin:0;color:var(--muted);font-size:13px}
.instruction-card__actions{display:grid;grid-template-columns:1fr 48px;gap:8px;margin-top:auto}
.instruction-card__actions .primary-action{min-width:0;padding:0 12px}
.instruction-card__actions .secondary-action{padding:0;font-size:20px}
.instructions-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;width:min(calc(100% - 28px),var(--content));min-height:84px;margin:0 auto 18px;padding:9px 14px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(17,15,12,.62);box-shadow:var(--shadow);color:var(--muted);font-size:13px;backdrop-filter:blur(18px)}
.instructions-footer .quiet-link{color:var(--ink)}

.viewer-page{height:100dvh;overflow:hidden}
.viewer-app{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100dvh;padding:8px;gap:8px}
.viewer-toolbar{position:relative;z-index:5;display:grid;grid-template-columns:minmax(180px,1fr) auto minmax(180px,1fr);align-items:center;gap:12px;min-height:68px;padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(17,15,12,.82);box-shadow:var(--shadow);backdrop-filter:blur(22px) saturate(120%);-webkit-backdrop-filter:blur(22px) saturate(120%)}
.viewer-title{display:flex;align-items:center;gap:10px;min-width:0}
.viewer-title img{width:48px;height:48px;flex:0 0 48px;object-fit:contain}
.viewer-title__copy{min-width:0}
.viewer-title small{display:block;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.viewer-title h1{margin:1px 0 0;overflow:hidden;font-family:Georgia,"Times New Roman",serif;font-size:clamp(17px,2vw,24px);font-weight:400;line-height:1.1;text-overflow:ellipsis;white-space:nowrap}
.viewer-controls{display:flex;align-items:center;justify-content:center;gap:6px}
.control-button{width:44px;min-height:44px;padding:0;font-size:18px}
.control-button .ui-icon{width:20px;height:20px}
.zoom-value{width:50px;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;text-align:center}
.viewer-actions{display:flex;justify-content:flex-end;gap:7px}
.viewer-actions .secondary-action{min-height:44px;padding:0 13px}
.viewer-actions .ui-icon{width:18px;height:18px}
.page-stage{position:relative;min-width:0;min-height:0;overflow:auto;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-lg);background:radial-gradient(circle at 50% 42%,rgba(224,196,119,.07),transparent 44%),rgba(8,7,6,.62);box-shadow:inset 0 1px 0 rgba(255,255,255,.025);overscroll-behavior:contain;touch-action:pan-y pinch-zoom}
.canvas-scroll{display:grid;place-items:center;width:max-content;min-width:100%;height:max-content;min-height:100%;padding:18px}
#pdf-canvas{display:block;background:var(--paper);box-shadow:0 18px 52px rgba(0,0,0,.4);transition:opacity 160ms ease-out,filter 160ms ease-out}
.page-stage.is-rendering #pdf-canvas{opacity:.34;filter:blur(.5px)}
.document-loader{position:absolute;z-index:3;top:50%;left:50%;display:grid;place-items:center;gap:10px;min-width:150px;padding:16px 18px;border:1px solid rgba(224,196,119,.16);border-radius:12px;background:rgba(14,13,11,.84);box-shadow:0 16px 42px rgba(0,0,0,.34);translate:-50% -50%;backdrop-filter:blur(12px)}
.document-loader[hidden]{display:none}
.loader-ring{width:24px;height:24px;border:2px solid rgba(224,196,119,.2);border-top-color:var(--gold-bright);border-radius:50%;animation:loader-spin 700ms linear infinite}
.document-loader span{color:var(--muted);font-size:12px;font-weight:700}
@keyframes loader-spin{to{transform:rotate(1turn)}}
.viewer-error{position:absolute;z-index:4;top:50%;left:50%;display:grid;justify-items:center;gap:12px;width:min(440px,calc(100% - 32px));padding:24px;border:1px solid rgba(224,196,119,.2);border-radius:var(--radius-lg);background:rgba(14,13,11,.92);text-align:center;translate:-50% -50%}
.viewer-error[hidden]{display:none}
.viewer-error strong{font-family:Georgia,"Times New Roman",serif;font-size:24px;font-weight:400}
.viewer-error span{color:var(--muted);font-size:14px}
.viewer-nav{display:grid;grid-template-columns:minmax(110px,1fr) auto minmax(110px,1fr);align-items:center;gap:10px;min-height:60px;padding:7px;border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(17,15,12,.82);box-shadow:var(--shadow);backdrop-filter:blur(18px)}
.viewer-nav button{min-height:46px}
.viewer-nav button:last-child{justify-self:stretch}
.viewer-nav button:first-child{justify-self:stretch}
.page-counter{min-width:84px;color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums;text-align:center}
.page-counter strong{color:var(--ink);font-weight:700}

@media(max-width:900px){
  body::before{background-image:linear-gradient(rgba(7,6,5,.4),rgba(7,6,5,.54)),url("/api/background/mobile.webp")}
  .instruction-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .viewer-toolbar{grid-template-columns:minmax(0,1fr) auto}
  .viewer-controls{grid-column:1/-1;grid-row:2}
  .viewer-title{grid-column:1;grid-row:1}
  .viewer-actions{grid-column:2;grid-row:1}
  .viewer-toolbar{min-height:112px}
}
@media(max-width:620px){
  .site-strip{padding:6px 6px 0}.site-strip__inner{min-height:62px;padding:6px 12px}.site-strip__inner h2{font-size:21px}.brand-link img{width:46px;height:46px}.brand-link span{display:none}.quiet-link{min-height:44px;padding:0 12px}
  .instructions-page .welcome-actions--single{display:flex;width:min(100%,260px)}.instructions-page .welcome-actions--single .button{width:100%;min-width:0}.instructions-main{width:calc(100% - 12px);padding:10px 0 48px}.instruction-grid{grid-template-columns:1fr;gap:9px}.instruction-card{grid-template-columns:minmax(116px,38%) minmax(0,1fr);grid-template-rows:none}.instruction-cover{height:100%;min-height:176px;aspect-ratio:auto}.instruction-cover img{width:calc(100% - 14px);height:calc(100% - 14px)}.page-badge{right:7px;bottom:7px}.instruction-card__body{gap:13px;padding:14px}.instruction-card h2{font-size:22px}.instruction-card__actions{grid-template-columns:1fr 44px}.primary-action,.secondary-action{min-height:44px}.instructions-footer{width:calc(100% - 12px);min-height:68px;margin-bottom:6px;padding:7px 9px}
  .viewer-app{padding:5px;gap:5px}.viewer-toolbar{min-height:106px;padding:7px;border-radius:14px}.viewer-title img{width:42px;height:42px;flex-basis:42px}.viewer-title h1{font-size:17px}.viewer-title small{font-size:9px}.viewer-actions .secondary-action{width:44px;padding:0}.viewer-actions .secondary-action span{display:none}.viewer-controls{gap:4px}.control-button{width:40px;min-height:40px}.page-stage{border-radius:14px}.canvas-scroll{padding:10px}.viewer-nav{min-height:56px;padding:5px;grid-template-columns:1fr 72px 1fr;border-radius:14px}.viewer-nav .secondary-action{min-height:44px;padding:0 8px;font-size:13px}.page-counter{min-width:0;font-size:12px}
}
@media(max-width:620px){.viewer-actions .viewer-return-link{width:auto;padding:0 10px}.viewer-actions .viewer-return-link span{display:inline;font-size:12px}}
@media(max-width:340px){.viewer-actions .viewer-return-link{width:44px;padding:0}.viewer-actions .viewer-return-link span{display:none}}
@media(max-width:390px){.instruction-card{grid-template-columns:1fr}.instruction-cover{aspect-ratio:4/3}.instruction-card__body{padding:16px}.viewer-title__copy small{display:none}.viewer-title h1{max-width:150px}.viewer-actions{gap:4px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}.instruction-cover img,#pdf-canvas,.quiet-link,.control-button,.primary-action,.secondary-action{transition:none}.loader-ring{animation:none}}