.concept__canvas{touch-action:none}.walls-veil{z-index:10;pointer-events:none;background:radial-gradient(ellipse 640px 340px at 0% 0%, rgba(var(--surface-rgb), .92), rgba(var(--surface-rgb), 0) 72%), radial-gradient(ellipse 380px 260px at 100% 0%, rgba(var(--surface-rgb), .92), rgba(var(--surface-rgb), 0) 74%), radial-gradient(ellipse 85% 70% at 50% 50%, rgba(var(--surface-rgb), 0) 38%, rgba(var(--surface-rgb), .6) 100%), linear-gradient(to top, rgba(var(--accent-rgb), .07), rgba(var(--accent-rgb), 0) 22%);position:absolute;inset:0}.concept__ui--walls,.concept__ui--walls>*{pointer-events:none}.concept__ui--walls .concept__head{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.concept__ui--walls .concept__title{text-shadow:0 0 26px rgba(var(--surface-rgb), .95), 0 0 4px rgba(var(--surface-rgb), .9)}.concept__ui--walls .concept__tagline{color:var(--ink);opacity:.82;text-shadow:0 0 8px rgba(var(--surface-rgb), .95)}.concept__ui--walls .concept__right{border-left:1px solid var(--line-hot);background:rgba(var(--surface-rgb), .78);padding:6px 10px}.concept__ui--walls .readout{color:var(--ink);text-shadow:0 0 8px rgba(var(--surface-rgb), .95)}.walls-tip{left:var(--pad);bottom:calc(var(--hud-bottom) + 20px);width:min(380px, calc(100vw - 2 * var(--pad)));border:1px solid var(--slab,var(--line));background:rgba(var(--surface-rgb), .94);opacity:0;pointer-events:none;z-index:30;color:var(--ink-dim);border-left-width:3px;padding:12px 14px 11px;font-size:11px;line-height:1.5;transition:opacity .14s linear,transform .14s linear;position:absolute;transform:translateY(6px)}.walls-tip.is-on{opacity:1;transform:none}.walls-tip__eyebrow{letter-spacing:.2em;text-transform:uppercase;color:var(--slab,var(--ember));font-size:10px}.walls-tip__name{font-family:var(--display);letter-spacing:-.02em;text-transform:uppercase;color:var(--ink);margin-top:4px;font-size:22px;font-weight:900;line-height:1}.walls-tip__meta{letter-spacing:.12em;text-transform:uppercase;color:var(--ink-faint);margin-top:4px;font-size:10px}.walls-tip__blurb{border-top:1px solid var(--line);margin-top:8px;padding-top:8px}.walls-tip__cta{letter-spacing:.12em;text-transform:uppercase;color:var(--slab,var(--ember-2));margin-top:8px;font-size:10px}@media (max-width:720px){.concept__ui--walls .concept__head{flex-direction:column;gap:10px}.concept__ui--walls .concept__right{text-align:left;flex-flow:wrap;justify-content:flex-start;align-items:flex-start;gap:4px 14px}.concept__ui--walls .concept__tagline{max-width:34ch}}.walls-nav{right:var(--pad);bottom:calc(var(--hud-bottom) + 18px);z-index:35;grid-template-columns:42px 42px 42px;grid-template-areas:".up.""left down right";gap:5px;display:grid;position:fixed}.walls-nav button{border:1px solid var(--line);background:rgba(var(--surface-rgb), .86);width:42px;height:42px;color:var(--ink-dim);font-family:var(--mono);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:1px;font-size:16px;line-height:1;transition:border-color .14s linear,color .14s linear,background .14s linear;display:flex}.walls-nav button:hover,.walls-nav button:focus-visible{border-color:rgba(var(--accent-rgb), .7);color:var(--accent);background:rgba(var(--accent-rgb), .07);outline:none}.walls-nav button:active{background:rgba(var(--accent-rgb), .14)}.walls-nav button span{font-size:16px}.walls-nav button em{letter-spacing:.1em;color:var(--ink-faint);font-size:6px;font-style:normal}.walls-nav button:hover em{color:var(--accent)}.walls-nav button[data-dir=up]{grid-area:up}.walls-nav button[data-dir=left]{grid-area:left}.walls-nav button[data-dir=down]{grid-area:down}.walls-nav button[data-dir=right]{grid-area:right}@media (max-width:720px){.walls-nav{bottom:calc(var(--hud-bottom) + 12px);grid-template-columns:38px 38px 38px}.walls-nav button{width:38px;height:38px}}