@layer base{:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ar-void:#0a0b0e;--ar-wall:#101218;--ar-panel:#161922;--ar-line:#262b36;--ar-line-soft:#1e222c;--ar-text:#edeae2;--ar-text-dim:#b3b8c2;--ar-muted:#838a98;--ar-brass:#d8a75a;--ar-mono:ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;--ar-ease:cubic-bezier(.32, .72, 0, 1);--ds-background:var(--ar-void);--ds-surface:var(--ar-panel);--ds-foreground:var(--ar-text);--ds-muted:var(--ar-muted);--ds-primary:var(--ar-brass);--ds-primary-foreground:#17130b;--ds-border:var(--ar-line);--ds-ring:var(--ar-brass);--ds-radius:8px;--ds-font-ui:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}html{background:var(--ar-void)}body{min-width:320px;min-height:100dvh;color:var(--ar-text);background:radial-gradient(120% 70% at 50% -10%, #1a1e2a 0%, transparent 60%), var(--ar-void);font-family:var(--ds-font-ui);font-synthesis:none;-webkit-font-smoothing:antialiased;margin:0}}.arena-page{grid-template-columns:300px minmax(0,1fr);align-items:start;gap:28px;max-width:1360px;margin:0 auto;padding:24px 24px 48px;display:grid}@media (prefers-reduced-motion:no-preference){.arena-page{transition:grid-template-columns .22s var(--ar-ease)}}.arena-sidebar{flex-direction:column;gap:4px;max-height:calc(100dvh - 48px);padding-right:4px;display:flex;position:sticky;top:24px;overflow-y:auto}.arena-sidebar-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.arena-brand{flex-direction:column;gap:4px;min-width:0;display:flex}.arena-wordmark{letter-spacing:-.02em;margin:0;font-size:1.35rem;font-weight:600}.arena-brand-mark{background:var(--ar-brass);border-radius:2px;width:8px;height:8px;margin-right:9px;display:inline-block;translate:0 -2px}.arena-brief-name{font-family:var(--ar-mono);letter-spacing:.06em;color:var(--ar-muted);text-transform:uppercase;font-size:.72rem}.arena-collapse{width:36px;height:36px;color:var(--ar-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:7px;flex-shrink:0;place-items:center;padding:0;display:grid}.arena-collapse:hover{color:var(--ar-brass);background:var(--ar-wall);border-color:var(--ar-line)}.arena-collapse:focus-visible{outline:2px solid var(--ar-brass);outline-offset:2px}.arena-sidebar-body{flex-direction:column;display:flex}.arena-list{flex-direction:column;gap:2px;margin-top:18px;display:flex}.arena-item{font:inherit;color:var(--ar-text-dim);text-align:left;cursor:pointer;background:0 0;border:0;border-left:2px solid #0000;border-radius:0 7px 7px 0;flex-direction:column;gap:3px;padding:9px 12px;display:flex}.arena-item:hover{color:var(--ar-text);background:var(--ar-wall)}.arena-item[aria-current=true]{color:var(--ar-text);background:var(--ar-wall);border-left-color:var(--ar-brass)}.arena-item:focus-visible{outline:2px solid var(--ar-brass);outline-offset:-1px}.arena-item-name{font-size:.92rem;font-weight:500}.arena-item-meta{font-family:var(--ar-mono);letter-spacing:.03em;color:var(--ar-muted);font-size:.68rem}.arena-brief{background:var(--ar-wall);border:1px solid var(--ar-line-soft);border-radius:10px;margin-top:20px}.arena-brief summary{font-family:var(--ar-mono);letter-spacing:.08em;color:var(--ar-brass);text-transform:uppercase;cursor:pointer;padding:11px 14px;font-size:.72rem}.arena-brief summary::marker{color:var(--ar-muted)}.arena-brief summary:focus-visible{outline:2px solid var(--ar-brass);outline-offset:2px}.arena-brief-body{max-height:42vh;font-family:var(--ar-mono);color:var(--ar-text-dim);white-space:pre-wrap;margin:0;padding:2px 14px 14px;font-size:.74rem;line-height:1.65;overflow:auto}.arena-main{min-width:0}.arena-frame{background:var(--ar-panel);border:1px solid var(--ar-line);border-radius:12px;height:clamp(440px,74vh,820px);overflow:hidden}.arena-frame iframe{background:#fff;border:0;width:100%;height:100%;display:block}.arena-empty{color:var(--ar-muted);text-align:center;border:1px dashed var(--ar-line);border-radius:12px;margin:0;padding:48px}.arena-fab{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:39;width:44px;height:44px;color:var(--ar-muted);border:1px solid var(--ar-line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;background:#161922c7;border-radius:14px;place-items:center;padding:0;display:none;position:fixed;box-shadow:0 8px 24px #00000073}.arena-fab:hover{color:var(--ar-brass);border-color:var(--ar-brass)}.arena-fab:focus-visible{outline:2px solid var(--ar-brass);outline-offset:2px}.arena-sheet-backdrop{z-index:40;background:#00000080;position:fixed;inset:0}.arena-sheet{z-index:41;max-height:74dvh;padding:0 16px calc(16px + env(safe-area-inset-bottom));background:var(--ar-panel);border-top:1px solid var(--ar-line);border-radius:18px 18px 0 0;flex-direction:column;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -18px 44px #0000008c}.arena-sheet-head{align-items:baseline;gap:10px;padding:12px 2px 10px;display:flex}.arena-sheet-title{margin:0;font-size:1rem;font-weight:600}.arena-sheet-close{width:32px;height:32px;color:var(--ar-muted);cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;margin-left:auto;padding:0;display:grid}.arena-sheet-close:hover{color:var(--ar-text);background:var(--ar-wall)}.arena-sheet-close:focus-visible{outline:2px solid var(--ar-brass);outline-offset:2px}.arena-sheet .arena-sidebar-body{min-height:0;overflow-y:auto}.arena-sheet .arena-list{margin-top:0}@media (width>=861px){.arena-page[data-collapsed=true]{grid-template-columns:56px minmax(0,1fr)}.arena-page[data-collapsed=true] .arena-sidebar{min-height:calc(100dvh - 48px);max-height:none;overflow:visible}.arena-page[data-collapsed=true] .arena-brand{display:none}.arena-page[data-collapsed=true] .arena-sidebar-head{justify-content:center}.arena-page[data-collapsed=true] .arena-sidebar-body{z-index:30;background:var(--ar-panel);border:1px solid var(--ar-line);opacity:0;visibility:hidden;border-radius:12px;width:264px;max-height:calc(100dvh - 48px);padding:10px;position:absolute;top:0;left:100%;overflow-y:auto;transform:translate(-8px);box-shadow:0 18px 44px #0000008c}.arena-page[data-collapsed=true] .arena-list{margin-top:0}.arena-page[data-collapsed=true] .arena-brief{display:none}.arena-page[data-collapsed=true] .arena-sidebar:focus-within .arena-sidebar-body{opacity:1;visibility:visible;transform:none}}@media (width>=861px) and (prefers-reduced-motion:no-preference){.arena-page[data-collapsed=true] .arena-sidebar-body{transition:opacity .14s var(--ar-ease), transform .14s var(--ar-ease), visibility .14s}}@media (width>=861px) and (hover:hover){.arena-page[data-collapsed=true] .arena-sidebar:hover .arena-sidebar-body{opacity:1;visibility:visible;transform:none}}@media (width<=860px){.arena-page{padding:12px 12px calc(12px + env(safe-area-inset-bottom));grid-template-columns:minmax(0,1fr);gap:0}.arena-sidebar{display:none}.arena-fab{display:grid}.arena-frame{height:calc(100dvh - 24px - env(safe-area-inset-bottom))}}@media (prefers-reduced-motion:no-preference){.arena-sheet{transition:transform .24s var(--ar-ease), opacity .24s var(--ar-ease)}.arena-sheet[data-starting-style],.arena-sheet[data-ending-style]{opacity:0;transform:translateY(100%)}.arena-sheet-backdrop{transition:opacity .24s var(--ar-ease)}.arena-sheet-backdrop[data-starting-style],.arena-sheet-backdrop[data-ending-style]{opacity:0}}