:root{color-scheme:dark;--bg: #0c0f14;--panel: #151b26;--text: #f2f5ff;--muted: #8b95a8;--accent: #ff3d3d;--accent-dim: #b82828;--ok: #3dffb5;--ring: rgba(255, 61, 61, .45);font-family:DM Sans,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:radial-gradient(1200px 600px at 50% -10%,rgba(255,61,61,.18),transparent),var(--bg);color:var(--text)}#app{max-width:560px;margin:0 auto;padding:1.5rem 1.25rem 2.5rem}h1{font-family:Archivo Black,sans-serif;font-size:clamp(2rem,8vw,2.75rem);letter-spacing:-.03em;margin:0 0 .35rem}.lead{color:var(--muted);margin:0 0 1.75rem;line-height:1.5}.card{background:var(--panel);border:1px solid rgba(255,255,255,.06);border-radius:1rem;padding:1.25rem;margin-bottom:1rem}label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.35rem}input{width:100%;border:1px solid rgba(255,255,255,.12);background:#0f141d;color:var(--text);border-radius:.65rem;padding:.75rem .85rem;font:inherit}input:focus{outline:2px solid var(--ring);border-color:transparent}.row{display:flex;gap:.65rem;flex-wrap:wrap}button{font:inherit;border:none;border-radius:.65rem;padding:.75rem 1rem;cursor:pointer;transition:transform .08s ease,opacity .15s ease}button:active:not(:disabled){transform:scale(.98)}button:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:linear-gradient(180deg,#ff5555,var(--accent));color:#fff;font-weight:600}.btn-secondary{background:#222a38;color:var(--text)}.room-code{font-family:Archivo Black,sans-serif;letter-spacing:.18em;font-size:1.5rem}.players{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}.players li{display:flex;justify-content:space-between;align-items:center;padding:.55rem .75rem;border-radius:.55rem;background:#ffffff0a}.tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ok)}.status{text-align:center;color:var(--muted);margin:.5rem 0 1rem}.buzzer-wrap{display:flex;justify-content:center;padding:.5rem 0 1rem}.buzzer{width:min(280px,78vw);aspect-ratio:1;border-radius:50%;font-family:Archivo Black,sans-serif;font-size:clamp(1.4rem,5vw,1.85rem);letter-spacing:.04em;color:#fff;background:radial-gradient(circle at 35% 30%,#ff7a7a,var(--accent) 55%,var(--accent-dim));box-shadow:0 0 0 8px #ff3d3d26,0 18px 40px #ff3d3d59,inset 0 -8px 20px #00000040}.buzzer.won{background:radial-gradient(circle at 35% 30%,#7affc8,#1fa86a 55%,#157a4d);box-shadow:0 0 0 8px #3dffb51f,0 18px 40px #3dffb540}.buzzer.late{filter:grayscale(.35)}.toast{min-height:1.25rem;color:#ffb4b4;font-size:.9rem;margin-top:.5rem}.winner-banner{text-align:center;font-family:Archivo Black,sans-serif;font-size:1.35rem;color:var(--ok);margin:.25rem 0 .75rem}.share-hint{font-size:.85rem;color:var(--muted);word-break:break-all}