:root { color-scheme:dark;--bg:#19151e;--panel:#241e2b;--line:#44364d;--ink:#f1eae2;--muted:#b9aebf;--lilac:#c8afd9;--sage:#c7ddae;--peach:#e1b99e;--mono:Consolas,'Courier New',monospace; }
* { box-sizing:border-box; }
[hidden] { display:none!important; }
body { margin:0;background:var(--bg);color:var(--ink);font:15px/1.7 system-ui,sans-serif;overflow-wrap:anywhere; }
a { color:var(--lilac);text-underline-offset:4px; }
button,input,textarea { font:inherit; }
button { cursor:pointer; }
button:disabled { cursor:default;opacity:.5; }
button,a,input,textarea,summary,[tabindex] { outline-offset:5px; }
:focus-visible { outline:2px solid var(--lilac); }
h1,h2,h3,p { margin:0; }
.d07-shell { max-width:1260px;margin:auto;padding:0 38px; }
.d07-header { display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:1px solid var(--line);min-height:80px;font:11px/1.7 var(--mono); }
.d07-header a { text-decoration:none; }
.d07-header > span { letter-spacing:.1em;color:var(--muted); }
.d07-header .d07-signal { color:var(--sage); }
.d07-signal::before { content:'●';margin-right:8px;font-size:8px; }
.d07-intro { display:flex;justify-content:space-between;gap:30px;align-items:center;padding:45px 0 30px; }
.d07-eyebrow { font:11px/1.6 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--lilac); }
h1 { font:400 clamp(48px,6vw,76px)/1.05 Georgia,serif;letter-spacing:-.045em;margin:18px 0 22px; }
h1 span { display:block;font:italic 400 clamp(23px,3vw,34px)/1.4 Georgia,serif;letter-spacing:-.02em;color:var(--lilac);margin-top:10px; }
.d07-synopsis { color:var(--muted);max-width:680px; }
.d07-case-stamp { display:flex;flex-direction:column;align-items:center;justify-content:center;flex-shrink:0;width:180px;height:180px;border:1px solid var(--line);outline:1px solid var(--line);outline-offset:-8px;transform:rotate(5deg);color:var(--peach);background:repeating-linear-gradient(0deg,transparent,transparent 3px,#e1b99e05 3px,#e1b99e05 4px); }
.d07-case-stamp span { font:62px/1 var(--mono); }
.d07-case-stamp small { margin-top:15px;font:9px var(--mono);letter-spacing:.12em; }
.d07-brief { border-left:2px solid var(--lilac);background:var(--panel);padding:18px 22px;color:var(--muted);font-size:13px; }
.d07-brief strong { color:var(--ink);font-weight:500; }
.d07-brief p+p { margin-top:8px; }
.d07-storage { display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;padding:20px 0;font-size:12px;color:var(--muted); }
.d07-storage label { display:flex;align-items:center;gap:9px;cursor:pointer;color:var(--ink); }
input[type=checkbox] { accent-color:var(--lilac);width:17px;height:17px; }
.d07-load { font:12px/1.7 var(--mono);color:var(--muted);margin-bottom:15px; }
.d07-button { display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;border:1px solid var(--lilac);border-radius:3px;padding:10px 18px;background:var(--lilac);color:#211a28;font-size:13px;text-decoration:none; }
.d07-button:hover:not(:disabled) { background:#ddc7eb; }
.d07-button-secondary { background:transparent;color:var(--lilac); }
.d07-button-secondary:hover:not(:disabled) { background:var(--panel); }
.d07-text-button { border:0;background:transparent;color:var(--lilac);padding:10px 0;text-align:left;font-size:12px;text-decoration:underline;text-underline-offset:4px; }
.d07-workspace { display:grid;grid-template-columns:250px minmax(0,1fr);gap:36px;border-top:1px solid var(--line);margin-top:20px;padding-top:25px; }
.d07-sidebar { min-width:0; }
.d07-count { font:12px var(--mono);color:var(--muted);margin:10px 0 24px; }
.d07-sidebar ol { list-style:none;margin:0 0 26px;padding:0; }
.d07-step { display:flex;align-items:center;gap:12px;width:100%;min-height:48px;padding:10px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;color:var(--muted);font-size:12px; }
.d07-step span { font:11px var(--mono);color:var(--lilac); }
.d07-step[aria-current=step] { background:var(--panel);color:var(--ink);border-left:2px solid var(--lilac); }
.d07-step:disabled { opacity:.45; }
.d07-step em { margin-left:auto;font-style:normal;color:var(--sage); }
.d07-notebook { border-top:1px solid var(--line);padding:14px 0; }
summary { cursor:pointer; }
.d07-notebook summary { color:var(--lilac);font-size:12px; }
.d07-notebook label,.d07-notebook small { display:block;font-size:11px;color:var(--muted);margin:12px 0 8px; }
textarea { width:100%;background:#15111a;border:1px solid var(--line);border-radius:3px;color:var(--ink);padding:12px;resize:vertical;font:11px/1.8 var(--mono); }
#d07-evidence { font:11px/1.8 var(--mono); }
#d07-evidence p { padding-top:10px; }
#d07-evidence strong { display:block;color:var(--sage);font-weight:400; }
.d07-reset { border:1px solid var(--line);padding:12px;font-size:12px; }
.d07-reset .d07-button { margin-top:12px;font-size:11px; }
.d07-content { min-width:0; }
.d07-content h2 { font:400 36px/1.16 Georgia,serif;letter-spacing:-.025em;margin:12px 0 18px;scroll-margin-top:24px; }
.d07-content h3 { font-size:15px;font-weight:500;margin-bottom:12px; }
.d07-lead { color:var(--muted);margin-bottom:23px; }
.d07-mission { border:1px solid var(--line);padding:20px 22px;margin-bottom:24px; }
.d07-mission .d07-eyebrow { margin-bottom:10px; }
.d07-mission p:last-child { font-size:14px; }
.d07-file { border:1px solid var(--line);border-radius:3px;margin:10px 0;background:#17121c; }
.d07-file summary { display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px;font:12px/1.8 var(--mono);color:var(--lilac); }
.d07-file summary::after { content:'+';font-size:16px; }
.d07-file[open] summary::after { content:'−'; }
.d07-file-tools { display:flex;gap:18px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);padding:8px 16px;font:11px var(--mono); }
.d07-file-tools button { border:0;background:transparent;color:var(--lilac);padding:7px 0;font:inherit; }
.d07-file pre { margin:0;max-height:360px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;color:#d4c9db;font:12px/1.8 var(--mono);tab-size:2; }
.d07-form { margin-top:30px;border-top:1px solid var(--line);padding-top:24px; }
.d07-field { display:block;margin:16px 0;color:var(--muted);font-size:12px; }
.d07-field input { display:block;width:100%;min-height:46px;margin-top:7px;padding:11px 13px;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:3px;font:13px/1.6 var(--mono); }
.d07-field input::placeholder { color:#9b8da3; }
.d07-feedback { margin:14px 0;min-height:24px;font-size:13px;color:var(--peach); }
.d07-feedback[data-success=true] { color:var(--sage); }
.d07-hints { margin:22px 0;padding:18px 20px;border:1px dashed var(--line); }
.d07-hints ol { padding-left:20px;margin:10px 0 0; }
.d07-hints li { color:var(--muted);font-size:13px;padding:8px 0;white-space:pre-wrap; }
.d07-proof { background:#c7ddae0a;border:1px solid #c7ddae55;padding:22px;margin:24px 0;scroll-margin-top:24px; }
.d07-proof .d07-eyebrow { color:var(--sage);margin-bottom:10px; }
.d07-proof p { color:var(--ink);font-size:14px; }
.d07-proof button { margin-top:18px; }
.d07-conclusion { color:var(--muted); }
.d07-conclusion p { margin-bottom:18px; }
.d07-conclusion ol { padding-left:22px; }
.d07-conclusion li { padding:8px 0; }
.d07-conclusion strong { color:var(--ink);font-weight:500; }
.d07-reward { margin:28px 0;padding:26px;border:1px solid var(--lilac);background:var(--panel); }
.d07-reward h3 { font:400 28px/1.3 Georgia,serif; }
.d07-reward p { color:var(--muted);font-size:13px;margin-bottom:18px; }
.d07-reward-actions { display:flex;flex-wrap:wrap;gap:12px; }
.d07-sources { margin-top:25px;border-top:1px solid var(--line);padding:20px 0; }
.d07-sources ul { padding-left:20px; }
.d07-sources li { margin:8px 0;font-size:12px; }
.d07-arcade { margin-top:35px; }
.d07-arcade > p { font-size:13px;color:var(--muted);margin:12px 0 20px; }
.d07-game { border:1px solid var(--line);border-radius:5px;padding:18px;background:#141018; }
.d07-game-hud { display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font:11px/1.7 var(--mono);color:var(--sage);margin-bottom:14px; }
.d07-game-zone { position:relative;height:260px;background:linear-gradient(90deg,transparent 33.1%,var(--line) 33.2%,transparent 33.5%,transparent 66.4%,var(--line) 66.5%,transparent 66.8%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden; }
.d07-packet { position:absolute;left:50%;top:20%;transform:translateX(-50%);padding:8px 14px;border:1px solid var(--peach);color:var(--peach);font:12px var(--mono);background:#2f2029; }
.d07-packet[data-kind=update] { border-color:var(--sage);color:var(--sage);background:#202c21; }
.d07-player { display:grid;place-items:center;position:absolute;bottom:10px;left:50%;transform:translateX(-50%);width:46px;height:36px;border:1px solid var(--lilac);color:var(--lilac);background:var(--panel);font:22px var(--mono); }
.d07-game-controls { display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:16px 0; }
.d07-game-controls button { min-height:46px;min-width:60px; }
.d07-game-message { color:var(--muted);font:12px/1.7 var(--mono);min-height:44px;margin-bottom:10px; }
.d07-footer { display:flex;align-items:center;gap:16px 24px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:50px;padding:24px 0;color:var(--muted);font-size:11px; }
.d07-footer span { margin-right:auto; }
.d07-skip { position:absolute;left:16px;top:-100px;padding:10px;background:var(--lilac);color:var(--bg);z-index:50; }
.d07-skip:focus { top:10px; }
@media(max-width:850px) { .d07-workspace { grid-template-columns:210px minmax(0,1fr);gap:22px; }.d07-case-stamp { width:140px;height:140px; } }
@media(max-width:620px) { .d07-shell { padding:0 20px; }.d07-header { min-height:80px;padding:16px 0;gap:10px; }.d07-header > span:not(.d07-signal) { display:none; }.d07-intro { padding-top:28px; }.d07-case-stamp { display:none; }.d07-workspace { grid-template-columns:1fr; }.d07-sidebar ol { display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px; }.d07-content h2 { font-size:31px; }.d07-sidebar .d07-notebook[open] textarea { max-height:150px; }.d07-reward { padding:20px; }.d07-game { padding:12px; }.d07-mission { padding:18px; } }
@media(prefers-reduced-motion:no-preference) { .d07-content { animation:d07-appear .22s ease-out; } @keyframes d07-appear { from { opacity:.4;transform:translateY(5px); } to { opacity:1;transform:translateY(0); } } }