:root{--room: #0d0b09;--room-hi: #100d0a;--surface: #110f0c;--well: #141210;--lift: #181510;--ink: #e8e2d6;--body: #cfc8ba;--dim: #928b7c;--faint: #6a6457;--hair: rgba(232, 226, 214, .09);--hair2: rgba(232, 226, 214, .18);--light: #e2a13c;--light-deep: #c9852a;--ocean: #8fd6ad;--ocean-tint: rgba(143, 214, 173, .14);--fault: #e06a5a;--radius: 2px;--parchment: #e9dcc0;--parchment-hi: #f2e8d2;--parchment-ink: #2a2114;--parchment-line: rgba(42, 33, 20, .14);--mono: "IBM Plex Mono", "SFMono-Regular", "Consolas", "Menlo", monospace;--serif: "Instrument Serif", "Iowan Old Style", "Palatino Linotype", "Georgia", serif;--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--dawn: 0}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%}body{font-family:var(--sans);color:var(--body);background-color:var(--room);-webkit-font-smoothing:antialiased;line-height:1.5}body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(120% 90% at 50% 118%,rgba(244,199,123,calc(.05 + .42 * var(--dawn))),rgba(201,111,58,calc(.03 + .28 * var(--dawn))) 26%,rgba(58,42,74,calc(.12 * var(--dawn))) 55%,#0d0b0900 78%);transition:background .9s ease-out}body:after{content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.05;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='0.6'/></svg>")}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:12px;top:12px;z-index:10000;background:var(--light);color:#1a1204;padding:6px 12px;border-radius:var(--radius);font-family:var(--mono)}#app{max-width:760px;margin:0 auto;padding:0 20px 96px}.banner{font-family:var(--mono);font-weight:500;letter-spacing:.34em;text-transform:uppercase;font-size:11px;text-align:center;padding:7px 8px;color:#14100a;background:repeating-linear-gradient(45deg,var(--light) 0 14px,var(--light-deep) 14px 28px);border-top:1px solid rgba(0,0,0,.25);border-bottom:1px solid rgba(0,0,0,.25)}.banner--top{position:sticky;top:0;z-index:50}.banner--bottom{position:fixed;left:0;right:0;bottom:0;z-index:50}.plate{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:1px solid var(--hair);padding:22px 0 14px;margin-bottom:8px}.plate__brand{font-family:var(--serif);font-size:30px;letter-spacing:.01em;color:var(--ink);line-height:1}.plate__brand .lamp{color:var(--light)}.plate__status{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ocean);text-align:right}.plate__status .dim{color:var(--faint)}h1,h2,h3{font-family:var(--serif);color:var(--ink);font-weight:400;letter-spacing:.01em}h2{font-size:22px;margin:28px 0 4px}h3{font-size:17px;margin:0}.label{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}.meta{font-family:var(--mono);font-size:12px;color:var(--ocean);letter-spacing:.04em}.panel{background:var(--surface);border:1px solid var(--hair);border-radius:var(--radius);padding:20px;margin:16px 0}label.field{display:block;margin:16px 0 6px}input[type=text],input[type=password],input[type=number]{width:100%;background:var(--well);border:1px solid var(--hair2);border-radius:var(--radius);color:var(--ink);font-family:var(--mono);font-size:15px;padding:11px 12px}input:focus{outline:none;border-color:var(--light);box-shadow:0 0 0 1px var(--light)}button{font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);background:var(--lift);border:1px solid var(--hair2);border-radius:var(--radius);padding:11px 16px;cursor:pointer;transition:border-color .11s ease,background .11s ease,color .11s ease}button:hover{border-color:var(--light)}button:focus-visible{outline:2px solid var(--light);outline-offset:2px}button.primary{color:#17110a;background:var(--light);border-color:var(--light);font-weight:500}button.primary:hover{background:var(--light-deep);border-color:var(--light-deep)}button.primary:disabled{opacity:.45;cursor:not-allowed;border-color:var(--hair2);background:var(--lift);color:var(--faint)}button.ghost{background:transparent}button.danger{border-color:var(--fault);color:var(--fault)}button.danger:hover{background:#e06a5a1f}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.meter{height:6px;border-radius:3px;background:var(--well);overflow:hidden;margin-top:8px;border:1px solid var(--hair)}.meter>span{display:block;height:100%;background:var(--light);transition:width .16s ease-out,background .16s ease-out}.meter.bad>span{background:var(--fault)}.card{position:relative;background:linear-gradient(180deg,var(--parchment-hi),var(--parchment));color:var(--parchment-ink);border:1px solid rgba(0,0,0,.35);border-radius:var(--radius);padding:22px 22px 18px;margin:16px 0;box-shadow:0 1px #00000080,inset 0 0 40px #785c2814}.card:before{content:attr(data-stamp);position:absolute;top:10px;right:12px;font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:#a0281ead;border:1px solid rgba(160,40,30,.5);padding:2px 6px;border-radius:2px;transform:rotate(6deg)}.card.locked{filter:none}.card__label{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#2a211499;margin-bottom:12px}.exchange{margin:14px 0}.exchange__role{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:#2a21148c}.exchange__text,.chunk__text{font-family:var(--serif);font-size:20px;line-height:1.55;margin:2px 0 6px;color:var(--parchment-ink)}.chunk__label{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:#2a211480;margin-bottom:2px}.redbar{display:inline-block;background:#1b160e;color:transparent;border-radius:1px;vertical-align:baseline;user-select:none}.cipher{font-family:var(--mono);font-size:16px;letter-spacing:.06em;color:#5a3d12;background:#785c281a;padding:2px 4px;border-radius:2px}.card__controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;padding-top:12px;border-top:1px solid var(--parchment-line)}.card__controls button{color:var(--parchment-ink);background:#2a21140f;border-color:var(--parchment-line)}.card__controls button:hover{border-color:#a0281e99}.card__controls button.mastered{color:#14100a;background:var(--light);border-color:var(--light)}.card.mastered{box-shadow:0 0 0 1px #e2a13c80,0 8px 30px #e2a13c24,inset 0 0 40px #e2a13c1f}.card.mastered:after{content:"LOCKED";position:absolute;bottom:10px;right:12px;font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:#a0281eb8;border:1px solid rgba(160,40,30,.55);padding:2px 6px;transform:rotate(-5deg)}.tabs{display:flex;gap:2px;border:1px solid var(--hair2);border-radius:var(--radius);overflow:hidden;width:fit-content;margin:8px 0 4px}.tabs button{border:none;border-radius:0;background:var(--surface)}.tabs button[aria-pressed=true]{background:var(--light);color:#17110a}.progressbar{height:8px;background:var(--well);border:1px solid var(--hair);border-radius:4px;overflow:hidden;margin:6px 0 2px}.progressbar>span{display:block;height:100%;background:linear-gradient(90deg,var(--light-deep),var(--light));transition:width .5s ease-out}.notice{font-family:var(--mono);font-size:12px;border-left:2px solid var(--ocean);padding:8px 12px;margin:12px 0;color:var(--body);background:var(--ocean-tint)}.notice.fault{border-left-color:var(--fault);color:var(--ink);background:#e06a5a1a}.footer{font-family:var(--mono);font-size:11px;color:var(--faint);letter-spacing:.04em;line-height:1.7;margin:28px 0 0;padding-top:16px;border-top:1px solid var(--hair)}.footer strong{color:var(--ocean);font-weight:500}.token{color:var(--light);font-style:italic}.invite-token{font-family:var(--mono);font-size:12px;word-break:break-all;background:var(--well);border:1px solid var(--hair2);border-radius:var(--radius);padding:10px;color:var(--ocean)}.list{list-style:none;padding:0;margin:12px 0}.list li{display:flex;justify-content:space-between;gap:12px;align-items:center;font-family:var(--mono);font-size:12px;padding:8px 0;border-bottom:1px solid var(--hair);color:var(--body)}.tag{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:2px 6px;border:1px solid var(--hair2);border-radius:2px;color:var(--ocean)}.tag.revoked{color:var(--fault);border-color:#e06a5a80}.tag.used{color:var(--faint)}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}@media (max-width: 560px){.exchange__text,.chunk__text{font-size:18px}.plate{flex-direction:column;gap:6px}.plate__status{text-align:left}}