:root{--bg: #0b1226;--bg2: #0f172a;--sky: #38bdf8;--mint: #34d399;--lav: #acb6ff;--surface: rgba(120, 160, 230, .06);--border: rgba(150, 180, 240, .14);--text: #eaf1fb;--muted: #9fb3d1}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Pretendard,Noto Sans KR,sans-serif;background:radial-gradient(1000px 600px at 80% -10%,rgba(56,189,248,.12),transparent),radial-gradient(800px 500px at 10% 110%,rgba(52,211,153,.1),transparent),linear-gradient(180deg,var(--bg2),var(--bg));color:var(--text)}.home{height:100%;display:grid;place-items:center;padding:20px}.home-card{width:min(400px,100%);background:var(--surface);border:1px solid var(--border);border-radius:18px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:36px 28px;text-align:center;display:flex;flex-direction:column;gap:18px}.logo h1{font-size:32px;background:linear-gradient(90deg,var(--mint),var(--sky),var(--lav));-webkit-background-clip:text;background-clip:text;color:transparent}.logo-emoji{font-size:40px;display:block;margin-bottom:6px}.logo-jina{width:130px;display:block;margin:0 auto 4px;filter:drop-shadow(0 8px 24px rgba(52,211,153,.25))}.avatar-img{width:30px;height:30px;border-radius:50%;margin-top:14px;flex-shrink:0}.chip-face{width:14px;height:14px;border-radius:50%;vertical-align:-2px;margin-right:4px}.tagline{color:var(--muted);line-height:1.6;font-size:15px}.btn-primary{background:linear-gradient(90deg,var(--mint),var(--sky));color:#05202a;border:none;border-radius:12px;padding:14px 22px;font-size:16px;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px #34d39959}.btn-primary:disabled{opacity:.6;transform:none}.btn-ghost{background:transparent;color:var(--mint);border:1px solid var(--border);border-radius:12px;padding:12px 16px;cursor:pointer;white-space:nowrap}.join-row{display:flex;gap:8px}input{flex:1;min-width:0;background:#0a122699;border:1px solid var(--border);border-radius:12px;padding:12px 14px;color:var(--text);font-size:15px;outline:none}input:focus{border-color:var(--sky)}.error{color:#fca5a5;font-size:14px}.footer-link a{color:var(--muted);font-size:13px;text-decoration:none}.room{height:100%;display:flex;flex-direction:column;max-width:720px;margin:0 auto}.room-header{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border);background:#0b1226b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:5}.btn-back{background:none;border:none;color:var(--muted);font-size:20px;cursor:pointer;padding:4px 8px}.room-title{flex:1;min-width:0}.room-title strong{font-size:14px;display:block}.presence{display:flex;gap:4px;flex-wrap:wrap;margin-top:4px}.chip{font-size:11px;color:var(--muted);border:1px solid var(--border);border-radius:99px;padding:1px 8px}.chip-jina{color:var(--mint);border-color:#34d39966}.btn-copy{font-size:13px;padding:8px 12px}.chat-log{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:10px}.msg{display:flex;gap:8px;max-width:85%}.msg-mine{align-self:flex-end;justify-content:flex-end}.msg-nick{font-size:11px;color:var(--muted);margin-bottom:3px}.avatar{font-size:20px;line-height:1;margin-top:14px}.bubble{background:var(--surface);border:1px solid var(--border);border-radius:4px 14px 14px;padding:9px 13px;font-size:15px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.bubble-mine{background:#38bdf824;border-color:#38bdf84d;border-radius:14px 4px 14px 14px}.bubble-jina{background:#34d3991a;border-color:#34d39959}.typing{color:var(--muted);font-style:italic;animation:pulse 1.2s infinite}@keyframes pulse{50%{opacity:.5}}.msg-system{text-align:center;color:var(--muted);font-size:12px;padding:2px 0}.quick-actions{display:flex;gap:8px;padding:8px 14px 0;overflow-x:auto}.qa-btn{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:99px;padding:8px 14px;font-size:13px;cursor:pointer;white-space:nowrap;transition:border-color .15s}.qa-btn:hover{border-color:var(--mint)}.input-bar{display:flex;gap:8px;padding:10px 14px calc(12px + env(safe-area-inset-bottom))}.btn-send{padding:12px 18px;font-size:15px}.sheet{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;justify-content:center;padding:0 10px calc(10px + env(safe-area-inset-bottom));pointer-events:none}.sheet-inner{pointer-events:auto;width:min(560px,100%);background:#0d162ef2;border:1px solid var(--border);border-radius:18px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);padding:18px;box-shadow:0 -8px 40px #00000080;max-height:70vh;overflow-y:auto}.sheet-title{font-size:17px;font-weight:700;margin-bottom:12px}.sheet-names{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}.sheet-names .chip{font-size:13px;color:var(--text);padding:4px 12px}.sheet-actions{display:flex;gap:8px;align-items:center}.sheet-wait{color:var(--muted);font-size:14px}.ladder-scroll{overflow-x:auto;display:flex;justify-content:center}.ladder-rail{stroke:#96b4f04d;stroke-width:2}.ladder-trace{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.3s ease-in-out;opacity:.9}.ladder-svg .ladder-trace{stroke-dashoffset:0}.ladder-name{font-size:12px;font-weight:700}.ladder-result{font-size:13px;fill:var(--text);opacity:0;transition:opacity .5s}.ladder-result.revealed{opacity:1}.result-card{align-self:center;width:min(360px,90%);background:#34d39914;border:1px solid rgba(52,211,153,.35);border-radius:14px;padding:14px 18px;text-align:center}.result-title{font-weight:700;margin-bottom:8px}.result-line{font-size:14px;color:var(--muted);padding:2px 0}.result-line.winner{color:var(--mint);font-weight:700}