:root{--bg:#0f1b2d;--surface:#16233a;--surface-raised:#1e2f4b;--text:#f4f6fb;--text-muted:#9fb0c9;--accent:#c23b3b;--accent-strong:#d94f4f;--success:#3ba76a;--error:#d9534f;--radius:12px;--gap:16px}*,:before,:after{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}.page{max-width:1100px;margin:0 auto;padding:clamp(16px,4vw,40px)}.page__title{margin:0 0 4px;font-size:clamp(24px,4vw,34px)}.page__subtitle{color:var(--text-muted);margin:0 0 24px}.layout{gap:calc(var(--gap) * 1.5);grid-template-columns:1fr;align-items:start;display:grid}@media (min-width:800px){.layout{grid-template-columns:2fr 1fr}.panel{position:sticky;top:24px}}.door-grid{gap:var(--gap);grid-template-columns:repeat(auto-fit,minmax(84px,1fr));margin:0;padding:0;list-style:none;display:grid}.door{aspect-ratio:1;border:2px solid var(--surface-raised);border-radius:var(--radius);background:var(--surface);width:100%;color:var(--text);cursor:pointer;justify-content:center;align-items:center;padding:0;font-size:clamp(18px,3vw,24px);font-weight:700;transition:transform .16s,border-color .16s,background-color .16s;display:flex;position:relative;overflow:hidden}.door:hover:not(:disabled),.door:focus-visible{border-color:var(--accent);transform:translateY(-2px)}.door:disabled{cursor:not-allowed;color:var(--text-muted);opacity:.55}.door--open{border-color:var(--accent);background:var(--surface-raised)}.door--selected{outline:2px solid var(--accent-strong);outline-offset:2px}.door__number{z-index:1;position:relative}.door__art{object-fit:cover;opacity:.85;width:100%;height:100%;position:absolute;inset:0}.panel{border-radius:var(--radius);background:var(--surface);padding:24px}.panel__image{border-radius:calc(var(--radius) - 4px);width:100%;margin-bottom:16px}.panel__title{margin:0 0 8px;font-size:20px}.panel__description{color:var(--text-muted);white-space:pre-line;margin:0 0 16px}.signup{border-radius:var(--radius);background:var(--surface);margin-top:40px;padding:24px}.signup__title{margin:0 0 16px;font-size:20px}.signup__form{gap:12px;max-width:480px;display:grid}.field{gap:4px;display:grid}.field__label{color:var(--text-muted);font-size:14px}.field__input{border:1px solid var(--surface-raised);background:var(--bg);color:var(--text);font:inherit;border-radius:6px;padding:10px 12px}.field__input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.check{color:var(--text-muted);align-items:flex-start;gap:8px;font-size:14px;display:flex}.signup__status{min-height:1.5em;margin:4px 0 0;font-size:14px}.signup__status--success{color:var(--success)}.signup__status--error{color:var(--error)}.button{background:var(--accent);color:#fff;font:inherit;text-align:center;cursor:pointer;border:0;border-radius:6px;padding:10px 20px;font-weight:600;text-decoration:none;display:inline-block}.button:hover:not(:disabled){background:var(--accent-strong)}.button:disabled{opacity:.5;cursor:not-allowed}[hidden]{display:none!important}@media (prefers-reduced-motion:reduce){.door{transition:none}}