/* Ascent.
 *
 * Two worlds share one sheet. The shell — lobby, the heads-up display, the
 * cleared and ended screens — is the game: a dark expedition deck, an
 * altitude palette that warms toward the summit, a condensed display voice.
 * The floors are the opposite on purpose: real-looking payer portals, calm
 * and light, redressed by the chaos skins. The game frames the portal; the
 * portal never pretends to be the game. */

/* ---- The deck: the game's own world ---- */
:root {
  /* Floor house look (light portal) — the default for a scene's <main>. */
  --ink: #1f2a37; --ink-2: #4b5563; --dim: #7b8794; --snow: #f7f8f6; --card: #ffffff;
  --line: #d9dde3; --copper: #b5652d; --copper-2: #8f4c1e; --ok: #2b7a4b; --warn: #a63d2f;
  --display: "Inter", system-ui, sans-serif; --text: "Inter", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace; --radius: 6px; --gap: 16px;

  /* Deck palette (dark game) — altitude, ink at the base, warm at the summit. */
  --abyss: #080b16; --deck: #0e1526; --deck-2: #16203a; --edge: #263150;
  --frost: #eaf0fb; --frost-2: #aeb9d6; --haze: #7583a4;
  --summit: #e5924e; --summit-2: #f4ac6c;
  --t1: #6ea8d8; --t2: #46c5bd; --t3: #9a7ee2; --t4: #e5638a; --t5: #e8b24a;
  --game: "Oswald", "Inter", system-ui, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--snow); color: var(--ink); font: 16px/1.5 var(--text); min-height: 100vh; }

/* ---- The heads-up display: always the game's, over any floor ---- */
.hud {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 22px;
  padding: 0 24px; height: 56px;
  background: rgba(9, 13, 24, 0.96);
  border-bottom: 1px solid var(--edge);
  color: var(--frost-2);
  backdrop-filter: saturate(1.3) blur(6px);
  box-shadow: 0 6px 24px -12px rgba(0, 0, 0, 0.9);
}
.hud a.brand, .hud .brand {
  font: 600 18px/1 var(--game); letter-spacing: 0.42em; text-transform: uppercase;
  color: var(--frost); text-decoration: none; padding-left: 2px;
}
.hud .brand::first-letter { color: var(--summit); }
.hud .readout { display: flex; align-items: baseline; gap: 9px; }
.hud .readout .k { font: 500 10px/1 var(--game); letter-spacing: 0.22em; text-transform: uppercase; color: var(--haze); }
.hud .readout .v { font: 500 20px/1 var(--game); color: var(--frost); font-variant-numeric: tabular-nums; }
.hud .tier {
  display: inline-flex; align-items: center; gap: 7px;
  font: 500 11px/1 var(--game); letter-spacing: 0.16em; text-transform: uppercase; color: var(--frost-2);
}
.hud .tier::before {
  content: ""; width: 9px; height: 9px; border-radius: 2px;
  background: var(--tier, var(--haze)); box-shadow: 0 0 10px -1px var(--tier, transparent);
}
.hud .tier[data-tier="I"] { --tier: var(--t1); } .hud .tier[data-tier="II"] { --tier: var(--t2); }
.hud .tier[data-tier="III"] { --tier: var(--t3); } .hud .tier[data-tier="IV"] { --tier: var(--t4); }
.hud .tier[data-tier="V"] { --tier: var(--t5); }
.hud .seed, .hud .clock { margin-left: auto; font: 400 12px/1 var(--mono); color: var(--haze); letter-spacing: 0.02em; }
.hud .clock { margin-left: 0; color: var(--frost-2); }

/* ---- Shared main frame ---- */
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 96px; }
.mono { font-family: var(--mono); font-size: 0.95em; }

/* =========================================================================
 * THE DECK: lobby, cleared, ended. A dark game screen.
 * ========================================================================= */
body.deck {
  color-scheme: dark;
  background:
    radial-gradient(120% 70% at 50% -8%, rgba(229, 146, 78, 0.16) 0%, rgba(229, 146, 78, 0) 46%),
    radial-gradient(90% 60% at 50% 4%, rgba(110, 168, 216, 0.10) 0%, rgba(110, 168, 216, 0) 55%),
    linear-gradient(180deg, #0a0f1e 0%, var(--abyss) 60%);
  color: var(--frost);
}
body.deck::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(rgba(120, 140, 190, 0.05) 1px, transparent 1px);
  background-size: 100% 42px;
  mask: linear-gradient(180deg, #000 0%, transparent 60%);
  -webkit-mask: linear-gradient(180deg, #000 0%, transparent 60%);
}
body.deck main { position: relative; z-index: 1; max-width: 880px; padding-top: 40px; }
.deck h1, .deck h2, .deck h3 { color: var(--frost); }
.deck a { color: var(--summit-2); }

/* Hero */
.hero { margin: 8px 0 30px; }
.wordmark {
  font: 300 clamp(76px, 15vw, 148px)/0.86 var(--game);
  letter-spacing: 0.02em; text-transform: uppercase; margin: 0;
  color: var(--frost);
  background: linear-gradient(176deg, #ffffff 0%, #cdd8ef 42%, var(--summit) 128%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  text-shadow: 0 0 60px rgba(229, 146, 78, 0.18);
}
.wordmark .peak { color: var(--summit); -webkit-text-fill-color: var(--summit); }
.tagline { font: 400 clamp(18px, 2.4vw, 23px)/1.45 var(--text); color: var(--frost-2); max-width: 42ch; margin: 16px 0 0; }

/* Briefing: what it is, what it's for, the rules */
.brief { margin: 34px 0; padding-top: 30px; border-top: 1px solid var(--edge); }
.brief .lead { font: 400 17px/1.6 var(--text); color: var(--frost-2); max-width: 66ch; margin: 0 0 6px; }
.brief .lead b { color: var(--frost); font-weight: 600; }
.section-h {
  font: 500 12px/1 var(--game); letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--haze); margin: 30px 0 16px;
}
.rules { display: grid; gap: 0; margin: 4px 0 0; }
.rule {
  display: grid; grid-template-columns: 190px 1fr; gap: 22px; align-items: baseline;
  padding: 15px 0; border-top: 1px solid rgba(38, 49, 80, 0.7);
}
.rule:last-child { border-bottom: 1px solid rgba(38, 49, 80, 0.7); }
.rule .key { font: 500 14px/1.3 var(--game); letter-spacing: 0.06em; text-transform: uppercase; color: var(--summit-2); }
.rule p { margin: 0; color: var(--frost-2); font-size: 15px; line-height: 1.55; }
.rule p b { color: var(--frost); font-weight: 600; }

/* Start a climb */
.start {
  display: flex; gap: 12px; align-items: stretch; flex-wrap: wrap;
  margin: 34px 0; padding: 22px; border-radius: 12px;
  background: linear-gradient(180deg, rgba(22, 32, 58, 0.7), rgba(14, 21, 38, 0.7));
  border: 1px solid var(--edge);
  box-shadow: 0 18px 40px -26px rgba(0, 0, 0, 0.9);
}
.start .field { flex: 1 1 240px; display: grid; gap: 7px; }
.start label { font: 500 11px/1 var(--game); letter-spacing: 0.2em; text-transform: uppercase; color: var(--haze); }
.start input {
  font: 400 16px var(--mono); padding: 13px 14px; border-radius: 8px;
  background: #0a1120; border: 1px solid var(--edge); color: var(--frost); letter-spacing: 0.03em;
}
.start input:focus { outline: none; border-color: var(--summit); box-shadow: 0 0 0 3px rgba(229, 146, 78, 0.2); }
.begin {
  align-self: stretch; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 500 14px var(--game); letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0 26px; min-height: 48px; margin-top: 18px; border: 0; border-radius: 8px; cursor: pointer;
  color: #1a0e04; background: linear-gradient(180deg, var(--summit-2), var(--summit));
  box-shadow: 0 10px 26px -10px rgba(229, 146, 78, 0.6);
}
.begin:hover { filter: brightness(1.06); }
.begin.up::after { content: "↑"; font-family: var(--text); font-weight: 700; }

/* The tower, as a climbing route from base to summit */
.route { list-style: none; margin: 8px 0 0; padding: 0; position: relative; }
.route::before {
  content: ""; position: absolute; left: 11px; top: 12px; bottom: 12px; width: 2px;
  background: linear-gradient(180deg, var(--t5), var(--t4), var(--t3), var(--t2), var(--t1));
  border-radius: 2px; opacity: 0.55;
}
.route .tier { position: relative; display: grid; grid-template-columns: 24px 1fr; gap: 20px; padding: 16px 0; }
.route .tier + .tier { border-top: 1px solid rgba(38, 49, 80, 0.55); }
.route .node {
  width: 24px; height: 24px; margin-top: 2px; border-radius: 50%; position: relative; z-index: 1;
  background: var(--abyss); border: 2px solid var(--tc); box-shadow: 0 0 14px -2px var(--tc);
  display: grid; place-items: center;
}
.route .node::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--tc); }
.route .tier[data-tier="I"] { --tc: var(--t1); } .route .tier[data-tier="II"] { --tc: var(--t2); }
.route .tier[data-tier="III"] { --tc: var(--t3); } .route .tier[data-tier="IV"] { --tc: var(--t4); }
.route .tier[data-tier="V"] { --tc: var(--t5); }
.route .band .top { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.route .rank { font: 500 15px/1 var(--game); letter-spacing: 0.12em; color: var(--tc); }
.route .band h3 { font: 500 18px/1 var(--game); letter-spacing: 0.06em; text-transform: uppercase; margin: 0; color: var(--frost); }
.route .unlock { font: 400 12px var(--mono); color: var(--haze); }
.route .adds { margin: 7px 0 0; color: var(--frost-2); font-size: 14px; line-height: 1.5; }

/* Climbs — the log of runs */
.climbs { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 4px; }
.climbs th { text-align: left; padding: 9px 12px; color: var(--haze); font: 500 11px var(--game); letter-spacing: 0.16em; text-transform: uppercase; border-bottom: 1px solid var(--edge); }
.climbs td { padding: 11px 12px; border-bottom: 1px solid rgba(38, 49, 80, 0.5); color: var(--frost-2); }
.climbs td.mono { color: var(--frost); }
.climbs .live { color: var(--t2); }
.climbs .over { color: var(--haze); }
.deck .empty { color: var(--haze); font-size: 15px; padding: 14px 0; }

/* Cleared & ended — the summit screens */
.deck .verdict { text-align: left; max-width: 720px; }
.deck .stamp {
  font: 500 13px/1 var(--game); letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--t5); margin: 0 0 14px; display: inline-flex; align-items: center; gap: 12px;
}
.deck .stamp::before { content: ""; width: 34px; height: 2px; background: var(--t5); box-shadow: 0 0 10px var(--t5); }
.deck .verdict h1 { font: 300 clamp(40px, 8vw, 76px)/0.95 var(--game); letter-spacing: 0.01em; text-transform: uppercase; margin: 0 0 10px; }
.deck .verdict .who { color: var(--frost); }
.deck .meta { font: 400 13px var(--mono); color: var(--haze); margin: 0 0 30px; }
.deck .meta b { color: var(--frost-2); font-weight: 400; }
.debrief { display: grid; grid-template-columns: 1.3fr 1fr; gap: 34px; margin: 8px 0 34px; padding-top: 26px; border-top: 1px solid var(--edge); }
.debrief h2 { font: 500 12px var(--game); letter-spacing: 0.22em; text-transform: uppercase; color: var(--haze); margin: 0 0 14px; }
.mechanics, .scenes { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.mechanics li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; align-items: baseline; color: var(--frost-2); font-size: 15px; }
.mechanics li b { font: 500 12px var(--mono); letter-spacing: 0.04em; }
.mechanics li[data-t="I"] b { color: var(--t1); } .mechanics li[data-t="II"] b { color: var(--t2); }
.mechanics li[data-t="III"] b { color: var(--t3); } .mechanics li[data-t="IV"] b { color: var(--t4); }
.mechanics li[data-t="V"] b { color: var(--t5); }
.scenes { counter-reset: sc; }
.scenes li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; color: var(--frost-2); font-size: 15px; }
.scenes li::before { counter-increment: sc; content: counter(sc, decimal-leading-zero); font: 400 12px var(--mono); color: var(--haze); }
.ascend { display: flex; gap: 24px; align-items: center; }
.deck .lobby-link { font: 500 12px var(--game); letter-spacing: 0.16em; text-transform: uppercase; color: var(--haze); text-decoration: none; }
.deck .lobby-link:hover { color: var(--frost-2); }

/* Deck browser surfaces */
body.deck ::selection { background: rgba(229, 146, 78, 0.32); color: #fff; }
body.deck { caret-color: var(--summit); scrollbar-color: var(--edge) transparent; }
body.deck ::-webkit-scrollbar { width: 12px; height: 12px; }
body.deck ::-webkit-scrollbar-thumb { background: var(--edge); border-radius: 8px; border: 3px solid var(--abyss); }
body.deck ::-webkit-scrollbar-thumb:hover { background: #34426a; }
.deck :focus-visible { outline: 2px solid var(--summit); outline-offset: 2px; }

@media (prefers-reduced-motion: no-preference) {
  .wordmark { animation: rise 900ms cubic-bezier(0.16, 1, 0.3, 1) both; }
  .hero .tagline { animation: rise 900ms cubic-bezier(0.16, 1, 0.3, 1) 90ms both; }
  .route .node { animation: spark 700ms ease-out both; }
  @keyframes rise { from { opacity: 0; transform: translateY(14px); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
  @keyframes spark { from { transform: scale(0.4); opacity: 0; } to { transform: none; opacity: 1; } }
}
@media (max-width: 640px) {
  .rule { grid-template-columns: 1fr; gap: 4px; }
  .debrief { grid-template-columns: 1fr; gap: 24px; }
  .hud { gap: 14px; padding: 0 16px; }
  .hud .readout .k, .hud .tier { display: none; }
}

/* =========================================================================
 * THE FLOOR: a realistic payer portal. Light house look, five chaos skins.
 * ========================================================================= */
.scene h1 { font: 600 34px/1.15 var(--display); letter-spacing: -0.01em; margin: 0 0 8px; text-wrap: balance; color: var(--ink); }
.scene h2 { font: 600 20px/1.3 var(--display); margin: 28px 0 8px; }
.scene p { margin: 0 0 12px; }
.scene .dim { color: var(--dim); }
.scene a { color: var(--copper-2); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: grid; gap: 10px; margin-top: 16px; }
label { font-size: 13px; font-weight: 500; color: var(--ink-2); margin-top: 6px; }
.scene input[type=text], .scene input[type=email], .scene input[type=password], .scene select { font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--ink); }
.scene input:focus, .scene select:focus, .scene button:focus-visible { outline: 2px solid var(--copper); outline-offset: 1px; }
.scene button, .scene .btn { font: 500 15px var(--text); padding: 10px 18px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; text-decoration: none; display: inline-block; }
.scene button.primary, .scene .btn.primary, .scene a.primary { background: var(--copper); border-color: var(--copper); color: #fff; }
.scene button.primary:hover, .scene a.primary:hover { background: var(--copper-2); }
.scene button:disabled { opacity: 0.45; cursor: not-allowed; }
.choice { display: flex; gap: 8px; align-items: center; font-weight: 400; font-size: 15px; color: var(--ink); }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; display: grid; gap: 6px; }
legend { font-size: 13px; color: var(--ink-2); padding: 0 4px; }
.aside { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.note { padding: 10px 14px; border-radius: var(--radius); background: #eef2f6; font-size: 14px; }
.note.warn { background: #fbeae7; color: var(--warn); }
.hint { font-size: 14px; color: var(--ink-2); padding: 8px 12px; border-left: 3px solid var(--copper); background: #fbf4ef; }
.code { font: 500 30px/1.2 var(--mono); letter-spacing: 0.18em; color: var(--ink); padding: 14px 18px; background: var(--card); border: 1px dashed var(--line); border-radius: var(--radius); display: inline-block; }
.areas { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-top: 16px; }
.area { display: block; padding: 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); text-decoration: none; font-weight: 500; }
.area:hover { border-color: var(--copper); }
.fields { display: grid; gap: 8px; }
.fields > div { display: grid; gap: 4px; }
.stepper { display: flex; gap: 10px; align-items: center; margin-top: 8px; }
.stepper span { margin-right: auto; font-size: 13px; color: var(--dim); }
.fold summary { cursor: pointer; font-weight: 500; padding: 12px 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin-top: 16px; }
.items { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin-top: 12px; }
.item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; display: grid; gap: 6px; font-size: 14px; }
.item b { font-weight: 500; color: var(--copper-2); }
.item[draggable=true] { cursor: grab; }
.item button { justify-self: start; padding: 6px 12px; font-size: 13px; }
.scrollbox { max-height: 340px; overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; background: #fbfbfa; }
.dropzone { margin-top: 16px; padding: 30px; border: 2px dashed var(--copper); border-radius: var(--radius); text-align: center; color: var(--copper-2); font-weight: 500; }
.dropzone.over { background: #fbf4ef; }
.pager { display: flex; gap: 16px; align-items: center; margin: 12px 0; font-size: 14px; }
.pager em { color: var(--dim); font-style: normal; }
.review { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; padding: 18px 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin: 16px 0; font-size: 15px; }
.review dt { color: var(--dim); }
.review dd { margin: 0; }
.hoverbox { min-height: 140px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfbfa; color: var(--dim); font-size: 14px; }
.hoverbox button { opacity: 0; transition: opacity 0.2s; }
.hoverbox button.revealed { opacity: 1; }
.hoverbox:hover span { display: none; }
.movingbox { position: relative; height: 220px; border: 1px solid var(--line); border-radius: var(--radius); background: #fbfbfa; overflow: hidden; }
.movingbox button { position: absolute; top: 0; left: 0; transition: transform 0.4s ease; }
.frame { width: 100%; height: 120px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.in-frame { padding: 16px; font: 15px var(--text); color: var(--ink); background: var(--card); }
.in-frame .primary { font: 500 15px var(--text); padding: 10px 18px; border: 1px solid var(--copper); border-radius: var(--radius); background: var(--copper); color: #fff; cursor: pointer; }
dialog { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; max-width: 520px; }
dialog::backdrop { background: rgba(31, 42, 55, 0.5); }
dialog h2 { margin-top: 0; }
.banner { position: fixed; inset: auto 0 0 0; background: var(--ink); color: #fff; padding: 18px 24px; display: flex; gap: 20px; align-items: center; z-index: 20; }
.banner p { margin: 0; flex: 1; font-size: 14px; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 15; }
.toast { background: var(--ink); color: #fff; padding: 12px 14px; border-radius: var(--radius); display: flex; gap: 14px; align-items: center; font-size: 14px; box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.toast button { padding: 4px 10px; font-size: 12px; background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }

/* Skin: ledger. A paper ledger, rules and a serif, no cards. */
.skin-ledger { --snow: #f3eee2; --card: #f3eee2; --line: #b9ad94; --copper: #5b4a2f; --copper-2: #3d3220; --ink: #2b241a; --text: "Georgia", "Times New Roman", serif; --display: "Georgia", serif; --radius: 0; }
.skin-ledger .card, .skin-ledger .item, .skin-ledger .area { border-width: 0 0 1px 0; padding-left: 0; padding-right: 0; }
.skin-ledger .scene h1 { font-style: italic; font-weight: 400; font-size: 40px; }
/* Skin: material. White cards lifted on a grey ground, an indigo accent, round corners. */
.skin-material { --snow: #eceff1; --card: #fff; --line: #fff; --copper: #3f51b5; --copper-2: #303f9f; --radius: 14px; --text: "Inter", system-ui, sans-serif; --display: "Inter", system-ui, sans-serif; }
.skin-material .card, .skin-material .item, .skin-material .area, .skin-material .review { box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08); }
.skin-material .scene button, .skin-material .scene .btn { border-radius: 24px; text-transform: uppercase; letter-spacing: 0.06em; font-size: 13px; }
.skin-material .scene input[type=text], .skin-material .scene input[type=email], .skin-material .scene input[type=password], .skin-material .scene select { border-width: 0 0 2px 0; border-radius: 4px 4px 0 0; background: #f5f5f5; }
/* Skin: terminal. Dark, mono, phosphor. */
.skin-terminal { --snow: #0d1117; --card: #161b22; --line: #30363d; --ink: #c9d1d9; --ink-2: #8b949e; --dim: #6e7681; --copper: #3fb950; --copper-2: #2ea043; --text: "IBM Plex Mono", ui-monospace, monospace; --display: "IBM Plex Mono", ui-monospace, monospace; --radius: 2px; }
.skin-terminal .scene input[type=text], .skin-terminal .scene input[type=email], .skin-terminal .scene input[type=password], .skin-terminal .scene select { background: #0d1117; color: #c9d1d9; }
.skin-terminal .scene h1 { font-size: 24px; text-transform: uppercase; letter-spacing: 0.08em; }
.skin-terminal .scene h1::before { content: "> "; color: var(--copper); }
.skin-terminal .note { background: #1c2128; }
.skin-terminal .hint { background: #12261a; }
.skin-terminal .scrollbox { background: #0d1117; }
/* Skin: brochure. Airy, large, a soft gradient and pills. */
.skin-brochure { --snow: #fdf6f0; --card: #fff; --line: #f1dccb; --copper: #e0672e; --copper-2: #b84f1b; --radius: 20px; }
.skin-brochure main { max-width: 900px; font-size: 18px; }
.skin-brochure .scene h1 { font-size: 46px; font-weight: 600; }
.skin-brochure .card { padding: 36px; }
.skin-brochure .scene button, .skin-brochure .scene .btn { border-radius: 999px; padding: 14px 26px; }
.skin-brochure .item, .skin-brochure .area { padding: 22px; }
/* Skin: dense. Small type, tight grid, grey borders, an enterprise portal. */
.skin-dense { --snow: #f0f0f0; --card: #fff; --line: #bbb; --copper: #1a4f8a; --copper-2: #103a68; --radius: 0; --gap: 6px; }
.skin-dense { font-size: 12px; }
.skin-dense main { max-width: 1000px; padding-top: 12px; }
.skin-dense .scene h1 { font: 600 18px var(--text); }
.skin-dense .card { padding: 10px; gap: 4px; }
.skin-dense label { margin-top: 2px; font-size: 11px; }
.skin-dense .scene input[type=text], .skin-dense .scene input[type=email], .skin-dense .scene input[type=password], .skin-dense .scene select { padding: 3px 6px; font-size: 12px; }
.skin-dense .scene button, .skin-dense .scene .btn { padding: 4px 10px; font-size: 12px; }
.skin-dense .items { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 4px; }
.skin-dense .item { padding: 6px 8px; gap: 2px; font-size: 11px; }
.skin-dense .areas { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 4px; }
.skin-dense .area { padding: 8px; }

/* The operator's brief — a hand-play aid, deck-styled game UI floating over a
   portal floor. Uses the deck tokens, which live on :root and survive a skin. */
.brief-tab {
  position: fixed; left: 16px; bottom: 16px; z-index: 40;
  font: 500 12px var(--game); letter-spacing: 0.14em; text-transform: uppercase;
  padding: 11px 16px; border-radius: 9px; border: 1px solid var(--edge);
  background: rgba(14, 21, 38, 0.96); color: var(--frost); cursor: pointer;
  box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.85); backdrop-filter: blur(6px);
}
.brief-tab::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--summit); box-shadow: 0 0 8px var(--summit); margin-right: 9px; vertical-align: middle; }
.brief-tab:hover { border-color: var(--summit); }
.brief-panel {
  position: fixed; left: 16px; bottom: 16px; z-index: 41;
  width: min(370px, calc(100vw - 32px)); max-height: min(72vh, 580px); overflow: auto;
  background: linear-gradient(180deg, rgba(22, 32, 58, 0.98), rgba(9, 14, 28, 0.98));
  border: 1px solid var(--edge); border-radius: 12px; color: var(--frost);
  box-shadow: 0 26px 60px -18px rgba(0, 0, 0, 0.92); backdrop-filter: blur(12px);
}
.brief-top { position: sticky; top: 0; display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--edge); background: rgba(12, 18, 34, 0.98); font: 500 12px var(--game); letter-spacing: 0.2em; text-transform: uppercase; color: var(--frost-2); }
.brief-top button { background: none; border: 0; color: var(--haze); font-size: 22px; line-height: 1; cursor: pointer; padding: 0 2px; }
.brief-top button:hover { color: var(--frost); }
.brief-body { padding: 14px 16px 18px; }
.brief-quest { font: 13px/1.5 "Inter", system-ui, sans-serif; color: var(--frost-2); margin: 0 0 14px; }
.brief-body dl { display: grid; grid-template-columns: auto 1fr; gap: 9px 14px; margin: 0; align-items: baseline; }
.brief-body dt { color: var(--haze); font: 500 10px var(--game); letter-spacing: 0.14em; text-transform: uppercase; white-space: nowrap; }
.brief-body dd { margin: 0; display: flex; align-items: center; gap: 9px; }
.brief-body dd span { font: 13px var(--mono); color: var(--frost); overflow-wrap: anywhere; }
.brief-body dd .copy { flex: none; font: 400 10px "Inter", sans-serif; letter-spacing: 0.06em; text-transform: uppercase; color: var(--summit-2); background: none; border: 1px solid var(--edge); border-radius: 5px; padding: 2px 8px; cursor: pointer; }
.brief-body dd .copy:hover { border-color: var(--summit); }
.brief-note { font: 12px/1.45 "Inter", system-ui, sans-serif; color: var(--haze); margin: 14px 0 0; }
.brief-loading { color: var(--haze); font: 13px "Inter", sans-serif; }