/* 2059.games — warm, legible, maintained. Green is a statement about a state, not a promise. */
:root{
  color-scheme: light;
  --ground:#e7ece5;   /* sage paper, not cream */
  --surface:#f5f7f2;
  --ink:#16201b;
  --ink-2:#4a5951;
  --line:#c5cfc6;
  --op:#1d7a4c;       /* operational green */
  --op-soft:#d6eadc;
  --amber:#9a620f;
  --red:#ad2f1f;
  --wood:#6b4a2d;
  --display:"Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --serif:"Source Serif 4", Georgia, "Times New Roman", serif;
  --mono:"IBM Plex Mono", ui-monospace, Consolas, monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme: dark;
    --ground:#0e1411; --surface:#151d18; --ink:#e4ebe5; --ink-2:#9fb0a5; --line:#28352d;
    --op:#5cc58d; --op-soft:#17291f; --amber:#e0a24a; --red:#ef7a6a; --wood:#c89a6a;
  }
}
:root[data-theme="dark"]{
  color-scheme: dark;
  --ground:#0e1411; --surface:#151d18; --ink:#e4ebe5; --ink-2:#9fb0a5; --line:#28352d;
  --op:#5cc58d; --op-soft:#17291f; --amber:#e0a24a; --red:#ef7a6a; --wood:#c89a6a;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }
body{margin:0;background:var(--ground);color:var(--ink);font:400 18px/1.6 var(--serif)}
a{color:var(--op);text-underline-offset:3px}
a:hover{color:var(--wood)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
cite{font-style:italic}
h1,h2,h3,h4{text-wrap:balance;margin:0;font-family:var(--display)}
.wrap{width:100%;max-width:1200px;margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
.mono{font-family:var(--mono);font-size:.76rem;letter-spacing:.06em}
.fine{font-size:.86rem;color:var(--ink-2)}
.kicker{text-transform:uppercase;letter-spacing:.18em;color:var(--op);margin:0 0 12px}
.lbl{text-transform:uppercase;letter-spacing:.14em;color:var(--ink-2);margin:0 0 6px;font-family:var(--mono);font-size:.7rem;font-weight:500}

.status-bar{background:var(--ink);color:var(--surface);font:400 .84rem/1.45 var(--display)}
.status-bar a{color:inherit}
.status-inner{display:flex;gap:12px;align-items:baseline;padding-block:9px}
.status-bar .tag{font-family:var(--mono);text-transform:uppercase;letter-spacing:.16em;font-size:.68rem;border:1px solid currentColor;padding:1px 7px;border-radius:2px;flex:none}

/* hero */
.hero{padding-block:clamp(40px,7vw,88px) clamp(32px,5vw,64px);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:center}
h1{font-weight:800;font-size:clamp(2.2rem,5vw,4.1rem);line-height:.98;letter-spacing:-.025em}
h1 span{display:block;color:var(--op)}
.lede{font-size:1.18rem;max-width:58ch;margin:22px 0 0;color:var(--ink-2)}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.btn{display:inline-block;font:600 .95rem/1 var(--display);background:var(--ink);color:var(--surface);border:1px solid var(--ink);padding:13px 18px;border-radius:3px;text-decoration:none;cursor:pointer}
.btn:hover{background:var(--op);border-color:var(--op);color:var(--surface)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{color:var(--op);background:transparent}
.hero .fine{margin:14px 0 0}
.gauge{margin:0;display:grid;gap:10px}
.read{background:var(--surface);border:1px solid var(--line);padding:18px 20px;display:grid;gap:2px}
.read span{text-transform:uppercase;letter-spacing:.14em;color:var(--ink-2)}
.read b{font-family:var(--mono);font-weight:500;font-size:clamp(2.6rem,6vw,3.8rem);line-height:1.05;font-variant-numeric:tabular-nums}
.read small{font-family:var(--mono);font-size:.78rem;color:var(--ink-2)}
.read.sys b{color:var(--op)}
.read.phys b{color:var(--amber)}
.read.sys{border-left:4px solid var(--op)}
.read.phys{border-left:4px solid var(--amber)}
.gauge figcaption{font-size:.95rem;color:var(--ink-2);font-style:italic}

/* demo */
.demo{padding-block:clamp(40px,6vw,72px);background:var(--surface);border-bottom:1px solid var(--line)}
.demo-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap}
.demo h2{font-weight:800;font-size:clamp(1.9rem,4vw,2.8rem);letter-spacing:-.02em}
.clock{display:grid;text-align:right}
.clock span{text-transform:uppercase;letter-spacing:.16em;color:var(--ink-2);font-size:.68rem}
.clock b{font-size:1.6rem;font-weight:500;font-variant-numeric:tabular-nums}
.brief{max-width:74ch;margin:14px 0 24px;color:var(--ink-2)}
.brief b{color:var(--ink);font-weight:600}
.board{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.6fr);grid-template-areas:"dash proc" "note note";gap:16px}
.panel{background:var(--ground);border:1px solid var(--line);padding:16px;min-width:0}
.panel-h{text-transform:uppercase;letter-spacing:.18em;color:var(--ink-2);font-weight:500;margin:0 0 12px}
.dash{grid-area:dash;display:grid;gap:12px;align-content:start}
.proc{grid-area:proc}
.note-pan{grid-area:note;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:4px 24px;align-content:start}
.note-pan .panel-h,.note-pan .there,.note-pan .obs{grid-column:1}
.note-pan h4,.note-pan .tests,.note-pan .result{grid-column:2}
.note-pan h4{grid-row:1}
.note-pan .tests{grid-row:2 / span 3}

.inspect{cursor:pointer}
button.inspect{all:unset;box-sizing:border-box;display:grid;gap:4px;background:var(--surface);border:1px solid var(--line);padding:14px;cursor:pointer}
button.inspect:hover{border-color:var(--op)}
button.inspect:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.dash-read .big{font-family:var(--mono);font-size:2.4rem;line-height:1.05;color:var(--op);font-variant-numeric:tabular-nums}
.dash-read .big small{font-size:.9rem;color:var(--ink-2)}
.ok{color:var(--op)}
.trend svg{width:100%;height:auto;display:block}
.trend .grid{stroke:var(--line);stroke-width:1}
.trend .flow{fill:none;stroke:var(--ink-2);stroke-width:2;stroke-dasharray:4 3}
.trend .cl{fill:none;stroke:var(--op);stroke-width:2.5}
.legend{display:flex;gap:6px 14px;flex-wrap:wrap;align-items:center;color:var(--ink-2);font-size:.7rem}
.legend i{display:inline-block;width:16px;height:0;border-top:2px dashed var(--ink-2);margin-right:4px;vertical-align:middle}
.legend i.k-cl{border-top:2.5px solid var(--op)}
.closure{border-left:3px solid var(--line);padding-left:12px}
.closure p:last-child{margin:0;font-size:.95rem}
.lens{justify-self:start}
.basis{background:var(--surface);border:1px solid var(--line);padding:14px}
.basis dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0 0 10px;font-size:.9rem}
.basis dt{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);padding-top:3px}
.basis dd{margin:0}
.note{margin:0;font-size:.9rem;font-style:italic;color:var(--ink-2)}

.schem-scroll{overflow-x:auto}
.schem{width:100%;min-width:560px;height:auto;display:block;font-family:var(--display)}
.schem .pipe{stroke:var(--ink-2);stroke-width:10;stroke-linecap:round}
.schem .dose{fill:none;stroke:var(--amber);stroke-width:3;stroke-dasharray:6 4}
.schem .sline{fill:none;stroke:var(--op);stroke-width:3}
.schem .node rect,.schem .node circle{fill:var(--surface);stroke:var(--ink);stroke-width:2}
.schem .node path{stroke:var(--ink);stroke-width:3;fill:none}
.schem .node .retro{stroke:var(--wood)}
.schem text{fill:var(--ink);font-size:15px;text-anchor:middle;font-weight:600}
.schem .t-small{font-size:12px;font-weight:400;fill:var(--ink-2)}
.schem text{pointer-events:none}
.schem .node rect.hit{fill:transparent;stroke:none;pointer-events:all}
.schem .node:hover rect,.schem .node:hover circle,.schem .node:focus-visible rect,.schem .node:focus-visible circle{stroke:var(--op);stroke-width:3}
.schem .node:focus{outline:none}
.schem .node.seen rect,.schem .node.seen circle{fill:var(--op-soft)}
.schem > text.t-small{text-anchor:start}
.hint{color:var(--ink-2);margin:10px 0 0;font-size:.7rem}

.there{margin:0 0 8px;font-size:1.15rem;color:var(--amber)}
.obs{margin:0;padding-left:1.2em;display:grid;gap:8px;font-size:.95rem}
.obs li::marker{font-family:var(--mono);color:var(--ink-2)}
.obs .empty{list-style:none;margin-left:-1.2em;color:var(--ink-2);font-style:italic}
.obs b{font-family:var(--display);font-weight:600}
.tests{display:grid;gap:8px;align-content:start}
.test{all:unset;box-sizing:border-box;display:grid;gap:2px;background:var(--surface);border:1px solid var(--line);padding:11px 14px;cursor:pointer;font-family:var(--display)}
.test b{font-weight:600;font-size:.98rem}
.test span{font-size:.82rem;color:var(--ink-2);font-family:var(--serif);font-style:italic}
.test:hover:not(:disabled){border-color:var(--op)}
.test:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.test:disabled{opacity:.45;cursor:not-allowed}
.test.done{border-left:4px solid var(--ink-2)}
.test.warn b{color:var(--red)}
.result{margin:10px 0 0;min-height:1.6em;font-size:.98rem}
.result b{font-family:var(--mono);font-weight:500}

.act,.ledger{margin-top:22px;border:1px solid var(--line);background:var(--ground);padding:clamp(18px,3vw,28px)}
.act h3,.ledger h3{font-weight:800;font-size:clamp(1.3rem,2.6vw,1.8rem);letter-spacing:-.01em}
.act > p{margin:8px 0 16px;color:var(--ink-2)}
.checks{display:grid;gap:10px;margin-bottom:18px}
.checks label{display:flex;gap:10px;align-items:flex-start;cursor:pointer}
.checks input{width:18px;height:18px;margin-top:4px;accent-color:var(--op);flex:none}
.ledger ol{margin:14px 0;padding-left:1.3em;display:grid;gap:6px;font-size:.95rem}
.ledger ol li span{font-family:var(--mono);font-size:.76rem;color:var(--ink-2);margin-right:8px}
.verdict{font-size:1.1rem;font-style:italic;margin:0 0 18px;max-width:64ch}
.referral{border-left:4px solid var(--amber);background:var(--surface);padding:14px 16px;margin-bottom:18px}
.referral p{margin:0 0 6px}
.referral .lbl{color:var(--amber)}

/* loop, pillars, isnt */
.loop,.pillars,.isnt,.book-sec,.case,.observer,.acts,.cast,.facts{padding-block:clamp(44px,6vw,80px);border-bottom:1px solid var(--line)}
.loop h2,.pillars h2,.isnt h2,.case h2,.observer h2,.acts h2,.cast h2,.facts h2{font-weight:800;font-size:clamp(1.8rem,3.6vw,2.6rem);letter-spacing:-.02em}
.sec-lede{color:var(--ink-2);max-width:60ch;margin:10px 0 26px}
.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.steps li{counter-increment:s;background:var(--surface);padding:20px;display:grid;gap:6px;align-content:start}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:.76rem;color:var(--op)}
.steps b{font-family:var(--display);font-weight:600;font-size:1.25rem}
.steps span{color:var(--ink-2);font-size:.98rem}
.pillars h2{margin-bottom:26px}
.pil-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.pil-grid h3{font-weight:600;font-size:1.3rem;line-height:1.2;margin-bottom:8px;padding-top:12px;border-top:3px solid var(--op)}
.pil-grid p{margin:0;color:var(--ink-2)}
.isnt{background:var(--surface)}
.isnt-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:24px 56px}
.isnt ul{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.isnt li{padding-left:28px;position:relative}
.isnt li::before{content:"";position:absolute;left:0;top:.75em;width:16px;border-top:2px solid var(--red)}
.book{display:grid;grid-template-columns:170px minmax(0,1fr);gap:clamp(20px,4vw,48px);align-items:center}
.book img{border:1px solid var(--line)}
.book h2{font-weight:600;font-size:clamp(1.6rem,3vw,2.2rem)}
.book p{max-width:60ch;color:var(--ink-2)}
.foot{padding-block:28px 44px}
.foot p{margin:0 0 8px;max-width:80ch;font-size:.95rem}

@media (max-width: 980px){
  .board{grid-template-columns:1fr;grid-template-areas:"dash" "proc" "note"}
  .note-pan{grid-template-columns:1fr}
  .note-pan > *{grid-column:1 !important;grid-row:auto !important}
  .steps,.pil-grid{grid-template-columns:1fr 1fr}
}
@media (max-width: 720px){
  .hero-grid,.isnt-grid{grid-template-columns:1fr}
  .steps,.pil-grid{grid-template-columns:1fr}
  .book{grid-template-columns:110px minmax(0,1fr)}
  .clock{text-align:left}
}

.err{padding-block:18vh 12vh;max-width:760px}

/* updates list */
.updates{padding-block:clamp(44px,6vw,80px);border-bottom:1px solid var(--line);background:var(--op-soft)}
.up-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:24px 56px;align-items:center}
.updates h2{font-weight:800;font-size:clamp(1.7rem,3.4vw,2.4rem);letter-spacing:-.02em}
.updates p{color:var(--ink-2);max-width:56ch}
.up-row{display:flex;flex-wrap:wrap;gap:8px}
.up-row input{flex:1 1 220px;min-width:0;font:400 1rem/1.2 var(--serif);padding:12px 14px;border:1px solid var(--ink-2);background:var(--surface);color:var(--ink);border-radius:3px}
.up-row input:focus{outline:2px solid var(--amber);outline-offset:1px}
.up-form .fine{margin:10px 0 0}
.up-msg-ok{color:var(--op)!important;font-weight:600}
.up-msg-err{color:var(--red)!important;font-weight:600}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
@media (max-width: 720px){ .up-grid{grid-template-columns:1fr} }

/* GDD v1.0 sections: case, observer state, acts, cast, facts */
.case-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:24px 56px;align-items:start}
.case .sec-lede{margin-bottom:0}
.case-copy p{margin:0 0 14px;color:var(--ink-2)}
.case-copy p:last-child{margin:0}
.observer{background:var(--surface)}
.tiers{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.tiers li{background:var(--surface);padding:16px;display:grid;gap:6px;align-content:start;border-top:4px solid var(--op)}
.tiers li:nth-child(2){border-top-color:color-mix(in srgb,var(--op) 70%,var(--amber))}
.tiers li:nth-child(3){border-top-color:color-mix(in srgb,var(--op) 35%,var(--amber))}
.tiers li:nth-child(4){border-top-color:var(--amber)}
.tiers li:nth-child(5){border-top-color:var(--red)}
.tiers span{color:var(--ink-2);font-variant-numeric:tabular-nums}
.tiers b{font-family:var(--display);font-weight:600;font-size:1.15rem}
.tiers small{color:var(--ink-2);font-size:.9rem;line-height:1.45}
.friction{margin:22px 0 0;max-width:70ch;font-size:1.12rem;font-style:italic;border-left:4px solid var(--amber);padding-left:16px}
.act-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.4vw,28px)}
.act-list li{display:grid;gap:6px;align-content:start;border-top:3px solid var(--ink);padding-top:12px}
.act-list span{color:var(--op);text-transform:uppercase;letter-spacing:.16em}
.act-list b{font-family:var(--display);font-weight:600;font-size:1.2rem;line-height:1.2}
.act-list small{color:var(--ink-2);font-size:.95rem}
.cast{background:var(--surface)}
.cast-grid,.fact-grid{margin:22px 0 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.cast-grid > div,.fact-grid > div{background:var(--surface);padding:16px 18px}
.fact-grid > div{background:var(--ground)}
.cast-grid dt{font-family:var(--display);font-weight:600;font-size:1.15rem}
.cast-grid dd,.fact-grid dd{margin:4px 0 0;color:var(--ink-2);font-size:.98rem}
.fact-grid dt{font-family:var(--mono);font-size:.7rem;font-weight:500;text-transform:uppercase;letter-spacing:.14em;color:var(--ink-2)}
.fact-grid dd{color:var(--ink)}
.fact-grid > div:last-child{grid-column:1 / -1}
@media (max-width: 980px){
  .tiers{grid-template-columns:1fr 1fr}
  .tiers li:last-child{grid-column:1 / -1}
  .act-list{grid-template-columns:1fr 1fr}
}
@media (max-width: 720px){
  .case-grid,.cast-grid,.fact-grid,.act-list,.tiers{grid-template-columns:1fr}
}