:root{
    --navy:#1B2A4A;
    --ink:#101B33;
    --gold:#B8923A;
    --gold-hi:#D9B562;
    --paper:#FAF9F6;
    --stone:#EDEAE2;
    --mute:#8B8577;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html,body{height:100%;overflow:hidden;background:var(--paper);color:var(--navy);
    font-family:"Noto Sans","Segoe UI",system-ui,sans-serif}
  .serif{font-family:"Noto Serif",Georgia,serif}
  #stage{position:fixed;inset:0;cursor:grab}
  #stage:active{cursor:grabbing}

  .hud{position:fixed;inset:0;pointer-events:none;display:flex;flex-direction:column;
    justify-content:space-between;padding:clamp(16px,3vw,40px)}
  .hud>*{pointer-events:auto}

  /* header */
  header{display:flex;justify-content:space-between;align-items:flex-start}
  .brand{display:flex;align-items:center;gap:16px}
  .brand svg{width:64px;height:40px}
  .brand h1{font-size:clamp(20px,2.4vw,28px);font-weight:600;letter-spacing:.3em;color:var(--navy)}
  .brand p{font-size:9.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--gold);margin-top:4px}
  .env-tag{font-size:10px;letter-spacing:.28em;text-transform:uppercase;color:var(--mute);
    border:1px solid var(--stone);background:rgba(250,249,246,.8);backdrop-filter:blur(8px);padding:10px 16px}

  /* collection rail */
  .rail{position:fixed;left:clamp(16px,3vw,40px);top:50%;transform:translateY(-50%);
    display:flex;flex-direction:column;gap:10px;width:min(250px,72vw)}
  .rail>h2{font-size:10px;letter-spacing:.4em;text-transform:uppercase;color:var(--mute);margin-bottom:8px}
  .piece{background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border:1px solid var(--stone);
    padding:14px 16px;cursor:pointer;transition:all .3s;opacity:.75}
  .piece:hover{opacity:1;border-color:var(--gold)}
  .piece.on{opacity:1;border-color:var(--gold);box-shadow:0 8px 30px rgba(27,42,74,.10)}
  .piece code{font-size:9px;letter-spacing:.24em;color:var(--gold);display:block;margin-bottom:4px}
  .piece h3{font-size:13.5px;font-weight:700;letter-spacing:.04em}
  .piece p{font-size:11px;color:var(--mute);margin-top:3px;line-height:1.5}

  /* inspector */
  .inspector{position:fixed;right:clamp(16px,3vw,40px);top:50%;transform:translateY(-50%);
    width:min(270px,74vw);background:rgba(255,255,255,.88);backdrop-filter:blur(10px);
    border:1px solid var(--stone);padding:22px}
  .inspector h2{font-size:17px;font-weight:700;letter-spacing:.02em}
  .inspector .sub{font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--gold);margin-top:3px}
  .inspector .desc{font-size:12px;line-height:1.65;color:#4A5468;margin-top:12px;
    padding-bottom:14px;border-bottom:1px solid var(--stone)}
  .spec{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--stone)}
  .spec span{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
  .spec b{font-size:12px;font-weight:700;color:var(--navy)}

  /* mode dock */
  .dock{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
  .dock .grp{display:flex;gap:0;border:1px solid var(--stone);background:rgba(255,255,255,.88);
    backdrop-filter:blur(8px)}
  .dock button{border:none;background:transparent;color:var(--mute);font-size:10.5px;font-weight:700;
    letter-spacing:.2em;text-transform:uppercase;padding:13px 18px;cursor:pointer;transition:all .25s;
    font-family:inherit}
  .dock button:hover{color:var(--navy)}
  .dock button.on{background:var(--navy);color:var(--paper)}
  .dock button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

  footer{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}
  .hint{font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--mute)}
  .hint b{color:var(--gold)}

  /* intro */
  #veil{position:fixed;inset:0;background:var(--paper);z-index:20;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:18px;transition:opacity 1s ease .4s}
  #veil.gone{opacity:0;pointer-events:none}
  #veil svg{width:150px;height:94px}
  #veil h2{font-size:26px;letter-spacing:.5em;font-weight:600;color:var(--navy);margin-left:.5em}
  #veil p{font-size:10px;letter-spacing:.4em;text-transform:uppercase;color:var(--gold)}

  @media (max-width:940px){
    .rail{top:auto;bottom:150px;transform:none;flex-direction:row;left:0;right:0;
      width:auto;padding:0 16px;overflow-x:auto}
    .rail>h2{display:none}
    .piece{min-width:150px;padding:10px 12px}
    .piece p{display:none}
    .inspector{display:none}
  }

/* ==========================================================================
   House chrome — appended to every experience stylesheet by harden.py.
   Self-contained (no custom properties from the landing page).
   ========================================================================== */
.house-back{
  position:fixed;left:16px;bottom:16px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 17px;border:1px solid rgba(184,146,58,.45);
  background:rgba(6,15,31,.80);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  color:#F5F1E6;text-decoration:none;
  font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Segoe UI",system-ui,sans-serif;
  font-size:9.5px;letter-spacing:.26em;text-transform:uppercase;
  transition:background .3s,border-color .3s;
}
.house-back:hover{background:rgba(184,146,58,.18);border-color:#B8923A}
.house-back:focus-visible{outline:2px solid #D9B562;outline-offset:3px}
@media (pointer:coarse){.house-back{bottom:auto;top:10px;left:10px;padding:9px 13px}}

.house-toast{
  position:fixed;left:50%;bottom:96px;transform:translateX(-50%) translateY(14px);
  z-index:80;opacity:0;pointer-events:none;max-width:min(440px,88vw);
  padding:15px 24px;background:#F5F1E6;color:#0B1A33;
  font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Segoe UI",system-ui,sans-serif;
  font-size:13px;line-height:1.65;text-align:center;
  box-shadow:0 18px 50px rgba(0,0,0,.45);
  transition:opacity .4s,transform .4s;
}
.house-toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

.house-missing{
  position:fixed;inset:0;z-index:95;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:18px;padding:8vw;text-align:center;
  background:#060F1F;color:#F5F1E6;
  font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Segoe UI",system-ui,sans-serif;
}
.house-missing h2{font-family:Georgia,serif;font-size:clamp(20px,3vw,30px);font-weight:500}
.house-missing p{max-width:56ch;font-size:13.5px;line-height:1.8;color:rgba(245,241,230,.6)}
.house-missing code{font-family:ui-monospace,Menlo,Consolas,monospace;color:#D9B562;font-size:12.5px}
.house-missing a{color:#D9B562;font-size:10px;letter-spacing:.26em;text-transform:uppercase;
  border:1px solid rgba(184,146,58,.5);padding:13px 22px;text-decoration:none;margin-top:8px}