:root{--bg:#101715;--surface:#19231f;--raised:#24312b;--ink:#edf2eb;--muted:#a5b5ab;--accent:#c2ed91;--accent-ink:#101715;--body:16px;--head:clamp(32px,4vw,52px);--lead:clamp(22px,2.3vw,30px);--gutter:clamp(20px,4vw,64px)}
body{background:var(--bg)}
.site-header{max-width:1600px;margin:auto;padding:24px var(--gutter);min-height:96px;display:grid;grid-template-columns:1fr auto 1fr;gap:30px;align-items:center}
.wordmark{display:flex;align-items:center;gap:12px;font-size:22px;line-height:1;letter-spacing:-.04em;font-weight:500}.wordmark b{font-weight:800}.wordmark svg{width:30px;height:30px;color:var(--accent)}
.site-header nav{gap:32px;font-size:16px}.site-header nav a,.site-header nav button{color:var(--muted);padding:10px 0;min-height:44px}.site-header nav [aria-current=page]{color:var(--ink)}.site-header nav a:hover,.site-header nav button:hover{color:var(--accent)}
.team-control{justify-self:end;display:flex;align-items:center;gap:10px;min-height:44px}.team-control svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6}
#landing{max-width:1600px;margin:auto;padding:20px var(--gutter) 0}.mission-hub{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(0,1.5fr);gap:48px;align-items:stretch;min-height:610px}.mission-panel{display:flex;flex-direction:column;padding:30px 0 14px}.mission-intro h1{font-size:clamp(36px,3.9vw,58px);line-height:1.02;letter-spacing:-.04em;max-width:10ch}.mission-intro>p{margin:22px 0 8px;color:var(--muted);line-height:1.65}.story-trigger{font-size:14px;min-height:44px;padding:8px 0;display:flex;gap:16px;align-items:center;color:var(--ink)}.story-trigger:hover{color:var(--accent)}
.mission-selection{margin-top:auto;padding-top:48px;max-width:360px}.selection-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px}.selection-meta span:last-child{color:var(--accent)}.mission-selection h2{font-size:38px;letter-spacing:-.03em;margin:15px 0}.mission-selection>p{color:var(--muted);min-height:52px;max-width:30ch}.button{background:var(--accent);color:var(--accent-ink);border-radius:4px;font-size:16px;min-height:48px;padding:14px 22px;font-weight:600;transition:background .18s,transform .18s}.button:hover{background:#d6f5b3;transform:translateY(-2px)}.button:active{transform:translateY(0)}.mission-launch{margin-top:24px;display:flex;justify-content:space-between;align-items:center}.resume-link{display:block;min-height:44px;padding-top:14px;font-size:14px;text-decoration:underline;text-underline-offset:4px}.station-instruction{margin-top:24px;color:var(--muted);font-size:13px;max-width:34ch}
.city-map{position:relative;isolation:isolate;min-height:610px;background:#17221d;border-radius:6px;overflow:hidden}.map-heading,.map-footer{position:absolute;left:28px;right:28px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);z-index:1}.map-heading{top:24px}.map-heading>span:first-child{font-size:18px;font-weight:500;color:var(--ink)}.map-footer{bottom:22px;font-size:12px}.map-legend{display:flex;gap:8px;align-items:center}.map-legend i{display:inline-block;width:7px;height:7px;background:var(--accent);border-radius:50%}.city-plan{position:absolute;inset:0;width:100%;height:100%;z-index:-1}.city-blocks{fill:#202e26}.city-streets{fill:none;stroke:#2c3c32;stroke-width:2}.river{fill:none;stroke:#395548;stroke-width:12;opacity:.5}.network{fill:none;stroke:#8ba37b;stroke-width:1.5;stroke-dasharray:4 8;opacity:.5}.map-landmarks{fill:#809888;font-size:15px;font-family:var(--font)}
.map-node{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:9px;background:transparent;padding:8px 12px;min-width:88px;min-height:70px;font-size:14px;font-weight:500;white-space:nowrap;color:#dce8dd;transition:color .18s}.map-node>span:nth-child(2){padding:3px 8px;border-radius:3px;background:#17221d}.node-symbol{position:relative;width:28px;height:28px;border:2px solid #a0b296;border-radius:50%;background:#1c2b22;transition:background .2s,transform .2s}.node-symbol:after{content:'';position:absolute;inset:7px;border-radius:50%;background:#a0b296}.map-node[aria-pressed=true] .node-symbol{background:var(--accent);border:6px solid #344d2c;width:42px;height:42px}.map-node[aria-pressed=true] .node-symbol:after{inset:9px;background:#26351f}.map-node[aria-pressed=true]{color:var(--accent)}.map-node:hover .node-symbol{transform:scale(1.14)}.node-done{color:var(--accent);font-size:12px}.is-complete .node-symbol:after{background:var(--accent)}
.hub-bottom{display:flex;justify-content:space-between;gap:20px;padding:22px 0;font-size:14px}.hub-bottom p{color:var(--muted)}.hub-bottom a:hover{color:var(--accent)}.sector-footer{margin-top:32px;padding:22px 0 30px;color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}.sector-footer>div{display:flex;flex-wrap:wrap;gap:24px}.sector-footer .text-control{font-size:13px}.sector-footer a,.sector-footer button{min-height:24px}.sector-footer .credits{flex-basis:100%;font-size:14px;margin:0;max-width:900px}.credits summary{font-size:13px;min-height:44px;padding:10px 0}.credits p{margin:16px 0}
#case-view{max-width:1380px;margin:auto;padding:32px var(--gutter) 80px}.case-back{font-size:14px}.case-heading{margin:24px 0}.case-heading p{font-size:16px;margin-top:12px;color:var(--muted)}.stage-nav{margin:24px 0 36px;gap:8px}.stage-nav a,.stage-nav span{font-size:14px;padding:12px 18px;border-radius:4px}.stage-nav [aria-current=step]{background:var(--accent);color:var(--accent-ink)}.brief-layout{grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);gap:48px}.brief-photo{height:360px;border-radius:4px;overflow:hidden}.brief-copy h2{font-size:30px}.brief-copy p{font-size:16px;margin:18px 0}.brief-copy ol{font-size:16px;line-height:1.7}.task-details{margin:22px 0}.task-details summary{cursor:pointer;min-height:44px;display:list-item;padding:10px 0;color:var(--accent)}.task-details ol{margin-top:12px}.analysis-panel{padding:24px;background:var(--surface);border-radius:4px}.analysis-panel h2{font-size:27px}.analysis-panel blockquote{font-size:23px;line-height:1.4}.evidence-document{border-radius:4px}.evidence-document h2{font-size:27px}.evidence-document>p{font-size:14px}.transcript-line p{font-size:16px}.transcript-line b{font-size:13px}.training-context h2{font-size:30px}.training-context p{font-size:16px}.notice-block{font-size:14px}.conversation-window,.finding{border-radius:4px}.button.secondary{color:var(--ink);background:var(--raised)}dialog{background:var(--surface);max-width:580px}dialog h2{font-size:32px}.drawer-body p{font-size:16px}.drawer-top{font-size:14px}.feedback{font-size:16px}input,select,textarea{border-radius:4px}.archive-meta,.archive-legend dl{font-size:14px}img{filter:grayscale(1)}
@media(min-width:1500px){.city-map,.mission-hub{min-height:680px}}
@media(max-width:1050px){.site-header{grid-template-columns:1fr auto;gap:12px}.site-header nav{grid-column:1/-1;grid-row:2;justify-content:center;gap:36px}.team-control{grid-column:2;grid-row:1}.mission-hub{gap:28px;grid-template-columns:minmax(260px,.85fr) minmax(0,1.2fr)}.city-map{min-height:580px}.mission-intro h1{font-size:42px}.map-heading,.map-footer{left:18px;right:18px}.map-heading span:last-child{font-size:11px}.brief-layout{gap:28px}}
@media(max-width:700px){.site-header{padding:18px 20px 8px;min-height:auto}.site-header nav{gap:32px}.wordmark{font-size:20px}#landing{padding-top:16px}.mission-hub{display:flex;flex-direction:column;gap:0;min-height:auto}.mission-panel{display:contents}.mission-intro{order:0;padding:8px 0 20px}.mission-intro h1{font-size:38px;max-width:15ch}.mission-intro>p{font-size:14px;margin:14px 0 0}.story-trigger{font-size:13px}.city-map{order:1;min-height:370px;border-radius:4px}.map-heading{top:16px}.map-heading>span:first-child{font-size:15px}.map-footer{bottom:14px;font-size:11px}.map-node{font-size:12px;gap:4px;min-width:72px;padding:8px}.node-symbol{width:22px;height:22px}.node-symbol:after{inset:5px}.map-node[aria-pressed=true] .node-symbol{width:32px;height:32px;border-width:4px}.map-node[aria-pressed=true] .node-symbol:after{inset:7px}.mission-selection{order:2;margin:0;padding-top:25px;max-width:none}.selection-meta{font-size:12px}.mission-selection h2{font-size:30px;margin:10px 0}.mission-selection>p{min-height:auto;max-width:40ch;font-size:15px}.mission-launch{margin-top:18px}.station-instruction{order:3;max-width:none;margin-top:16px}.hub-bottom{font-size:12px;gap:12px}.sector-footer{margin-top:16px;gap:14px}.brief-layout{grid-template-columns:1fr}.brief-photo{height:190px}.brief-copy h2{font-size:26px}.stage-nav{gap:4px}.stage-nav a,.stage-nav span{padding:10px 6px;font-size:13px}.analysis-panel{padding:20px}.mission-intro h1{letter-spacing:-.035em}.map-landmarks{font-size:21px}}
@media(prefers-reduced-motion:no-preference){.mission-selection{animation:sector-in .35s ease-out}.city-map{animation:sector-in .5s ease-out}@keyframes sector-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.sector-footer,.city-map,.mission-hub,.hub-bottom{display:none}#case-view{max-width:none;padding:0}}
.city-plan{pointer-events:none;z-index:0}.map-node{z-index:2}
.map-node:active:not(:disabled){transform:translate(-50%,-50%)}
/* One mailbox for briefings and messages from the game host. */
.site-header nav .mailbox-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:48px;min-height:48px;padding:10px;border-radius:4px}.mailbox-button svg{width:23px;height:23px;flex:none}.site-header nav .mailbox-button.has-unread{color:var(--accent)}.mailbox-button.has-unread{background:var(--surface)}#unread-count{font-variant-numeric:tabular-nums;font-size:14px}
#mail-arrival{position:fixed;right:24px;bottom:24px;z-index:16;display:flex;align-items:center;gap:12px;max-width:min(390px,calc(100% - 40px));padding:10px;background:var(--accent);color:var(--accent-ink);border-radius:6px;box-shadow:0 8px 30px #0005}.mail-alert-open{display:flex;align-items:center;gap:14px;min-height:58px;padding:8px 12px;background:transparent;text-align:left;min-width:0}.mail-alert-open>svg{width:26px;height:26px;flex:none}.mail-alert-open>span{display:flex;flex-direction:column;gap:3px;min-width:0}.mail-alert-open strong{font-size:16px}.mail-alert-open span span{font-size:13px;overflow-wrap:anywhere}.mail-alert-dismiss{display:grid;place-items:center;background:transparent;min-width:44px;min-height:44px;align-self:start}.mail-alert-dismiss svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7}.mail-alert-open:hover,.mail-alert-dismiss:hover{background:#10171512}#mail-arrival button:focus-visible{outline-color:var(--bg);outline-offset:0}.mail-announcement{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(prefers-reduced-motion:no-preference){.mail-arriving svg{animation:mail-nudge 1.1s ease-in-out 3}#mail-arrival:not([hidden]){animation:mail-appear .25s ease-out}@keyframes mail-nudge{0%,100%{transform:none}25%{transform:translateY(-3px) rotate(-8deg)}50%{transform:translateY(-3px) rotate(8deg)}75%{transform:translateY(-1px) rotate(-4deg)}}@keyframes mail-appear{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}}
@media(max-width:700px){#mail-arrival{right:20px;bottom:20px}.site-header nav{gap:28px}}
@media print{#mail-arrival{display:none!important}}

.mail-entry-heading{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 12px;justify-content:space-between}.mail-entry-heading>span:first-child{flex:1;min-width:140px;overflow-wrap:anywhere}.mail-tag{display:inline-block;flex:none;align-self:flex-start;background:#34452d;color:#d3edb8;border-radius:3px;padding:3px 7px;font-size:12px;line-height:1.4;font-weight:500}.message-links .mail-entry{border-radius:4px}.mail-unread .mail-entry-heading>span:first-child{font-weight:650}.message-links .mail-entry:hover{background:#2e3e34}.mail-back{display:block;margin-top:16px}
/* Station identity is a small mark, not a full-page theme. */
:root{--station-verkehr:#9bbfd3;--station-archiv:#d5c08f;--station-rathaus:#bcb0d4;--station-energie:#9fc3a6;--station-netz:#d1a4ad}
[data-station=verkehr]{--station-color:var(--station-verkehr)}[data-station=archiv]{--station-color:var(--station-archiv)}[data-station=rathaus]{--station-color:var(--station-rathaus)}[data-station=energie]{--station-color:var(--station-energie)}[data-station=netz]{--station-color:var(--station-netz)}
.map-node[data-station] .node-symbol{border-color:var(--station-color)}.map-node[data-station] .node-symbol:after{background:var(--station-color)}.map-node[data-station][aria-pressed=true] .node-symbol{background:var(--station-color);border:2px solid var(--station-color);outline:4px solid #edf2eb20;outline-offset:4px}.map-node[data-station][aria-pressed=true] .node-symbol:after{background:var(--bg);inset:14px}.map-node[data-station][aria-pressed=true]{color:var(--ink)}
.mission-selection[data-station] h2:before,#case-view[data-station]:not([data-station=""]) .case-heading>p:before{content:'';display:inline-block;width:8px;height:8px;margin-right:10px;border-radius:50%;background:var(--station-color);vertical-align:middle}.mission-selection[data-station] h2:before{width:10px;height:10px;margin-right:12px}
.station-marker{display:inline-flex;gap:7px;align-items:center;font-size:12px;line-height:1.5;color:var(--muted)}.station-marker i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--station-color);flex:none}.mail-entry>.station-marker{margin-top:9px}.mail-detail-tags{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
@media(max-width:700px){.map-node[data-station][aria-pressed=true] .node-symbol:after{inset:10px}}

/* Unread state and station identity use separate visual cues. */
.message-links .mail-entry{position:relative;border:3px solid transparent;padding:16px 18px}.message-links .mail-entry.mail-unread{border-color:var(--accent);background:#27352d}.message-links .mail-entry.mail-unread:hover{background:#2e3e34;border-color:var(--accent)}.mail-entry:has(>.station-marker){padding-left:26px}.mail-entry:has(>.station-marker)::before{content:'';position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 2px 2px 0;background:var(--station-color)}.mail-entry>.station-marker i{display:none}.drawer-body>.station-marker i,.mail-detail-tags .station-marker i{width:3px;height:15px;border-radius:1px}

#drawer .drawer-top [data-close]{outline:none;border:0;box-shadow:none}#drawer .drawer-top [data-close]:focus-visible{color:var(--accent);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}

/* Communications terminal: scoped to the inbox and message reader. */
#drawer.mail-terminal{
  --terminal-line:#405548;
  --terminal-mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  background:var(--bg);
  border-left:1px solid var(--terminal-line);
  padding:24px 28px 32px;
  scrollbar-color:var(--terminal-line) var(--bg);
}
.mail-terminal .drawer-top{
  font-family:var(--terminal-mono);font-size:12px;letter-spacing:.04em;
  border-top:2px solid var(--accent);border-bottom:1px solid var(--terminal-line);
  padding:12px 0;margin-bottom:36px;
}
.mail-terminal #drawer-context{color:var(--accent);text-transform:uppercase}
.mail-terminal #drawer-context::after{content:" / KOMMUNIKATION";color:var(--muted)}
.mail-terminal .drawer-top [data-close]{min-height:44px;font-size:13px}
.mail-terminal #drawer-title{
  font-family:var(--terminal-mono);font-size:clamp(26px,3vw,36px);
  font-weight:500;line-height:1.2;letter-spacing:-.035em;
  overflow-wrap:anywhere;margin-bottom:28px;color:var(--ink);
}
.mail-terminal #drawer-title::before{content:"";display:inline-block;width:12px;height:24px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);margin-right:14px;vertical-align:baseline}
.terminal-summary{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;padding:12px 0;border-top:1px solid var(--terminal-line);font:12px/1.7 var(--terminal-mono);color:var(--muted)}
.terminal-summary b{color:var(--accent);font-weight:400;margin-left:12px}
.mail-terminal .message-links{gap:10px}
.mail-terminal .message-links .mail-entry{
  border:1px solid var(--terminal-line);border-radius:0;
  padding:19px 38px 19px 20px;background:var(--surface);
  transition:background .18s ease-out,border-color .18s ease-out;
}
.mail-terminal .message-links .mail-unread{border-color:#819b70;background:#1d2b22}
.mail-terminal .message-links .mail-entry::after{content:"";position:absolute;right:17px;top:25px;width:7px;height:7px;border-right:1px solid var(--muted);border-top:1px solid var(--muted);transform:rotate(45deg)}
.mail-terminal .message-links .mail-unread::after{border-color:var(--accent)}
.mail-terminal .message-links .mail-entry:hover{background:var(--raised);border-color:var(--accent)}
.mail-terminal .mail-entry-heading{gap:10px;font-size:17px;line-height:1.4}
.mail-terminal .mail-entry-heading>span:first-child{min-width:min(140px,100%)}
.mail-terminal .mail-unread .mail-entry-heading>span:first-child{color:var(--accent)}
.mail-terminal .message-links small{font-family:var(--terminal-mono);font-size:12px;line-height:1.7;margin-top:10px;overflow-wrap:anywhere}
.mail-terminal .mail-tag{font-family:var(--terminal-mono);border:1px solid var(--terminal-line);border-radius:0;background:transparent;color:var(--accent);font-size:11px;padding:2px 6px}
.mail-terminal .station-marker{font-family:var(--terminal-mono);font-size:11px}
.mail-terminal .mail-entry:has(>.station-marker){padding-left:24px}
.mail-terminal .mail-entry:has(>.station-marker)::before{top:19px;bottom:19px;left:8px;width:2px;border-radius:0}
.mail-terminal .mail-detail-tags,.mail-terminal .group-sender{padding-bottom:16px;border-bottom:1px solid var(--terminal-line)}
.mail-terminal .group-sender{font-family:var(--terminal-mono);font-size:13px;color:var(--accent)}
.mail-terminal .drawer-body p,.mail-terminal .group-message-text{line-height:1.75;overflow-wrap:anywhere}
.mail-terminal .button{border-radius:0;font-size:14px;min-height:48px}
.mail-terminal .mail-back,.mail-terminal .actions{padding-top:20px}
.mail-terminal :is(button,a):focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.mail-terminal ::selection{background:var(--accent);color:var(--accent-ink)}
.terminal-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:36px;padding-top:14px;border-top:1px solid var(--terminal-line);color:var(--muted);font:10px/1.6 var(--terminal-mono);letter-spacing:.05em}
.terminal-footer i{display:inline-block;width:6px;height:10px;margin-left:6px;background:var(--accent);vertical-align:-1px}
@media(max-width:480px){
  #drawer.mail-terminal{padding:16px 20px 28px}
  .mail-terminal .drawer-top{gap:8px;margin-bottom:28px;letter-spacing:0}
  .mail-terminal #drawer-context{max-width:none;font-size:10px}
  .mail-terminal #drawer-context::after{display:block;margin-top:3px}
  .mail-terminal .mail-entry-heading{font-size:16px}
}
@media(prefers-reduced-motion:reduce){.mail-terminal .message-links .mail-entry{transition:none}}

/* Approved station briefing; portrait video retains its full framing. */
.message-video{margin:1.25rem 0;display:flex;justify-content:center}
.message-video video{display:block;width:auto;max-width:100%;height:auto;max-height:52vh;aspect-ratio:9/16;background:#101715}