:root{--bg: #16261D;--bg-elevated:#1A2C22;--surface: #1F3A2A;--surface-2: #274633;--surface-int:#1B3226;--line: rgba(233, 217, 166, .13);--line-2: rgba(233, 217, 166, .2);--text: #E6EDE4;--muted: #C3CFC4;--muted-2: #A8B8AC;--accent: #5BA57E;--accent-2: #7BC29A;--accent-soft:rgba(91, 165, 126, .14);--accent-line:rgba(91, 165, 126, .36);--gold: #C9AE6E;--gold-bright:#D9C084;--gold-soft: rgba(201, 174, 110, .14);--gold-line: rgba(201, 174, 110, .36);--on-accent: #17281E;--danger: #FF6B5E;--danger-soft:rgba(255, 107, 94, .1);--icon: rgba(168, 184, 172, .95);--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--r-card: 18px;--r-btn: 14px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.45}a{color:inherit;text-decoration:none}button{font-family:inherit}.app{min-height:100%;display:flex;flex-direction:column;max-width:520px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line);min-height:100dvh}.page{flex:1 1 auto;display:flex;flex-direction:column;padding:14px 16px 18px;gap:12px;overflow-y:auto}.topbar{display:flex;align-items:center;gap:10px;padding:14px 16px 10px}.topbar .brand{font-weight:700;font-size:17px;letter-spacing:.01em}.topbar .brand b{color:var(--accent)}.topbar .spacer{flex:1}.iconbtn{background:none;border:none;color:var(--icon);width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:15px}.iconbtn:hover{background:var(--surface)}.h1{font-size:24px;font-weight:700;margin:4px 0 2px;letter-spacing:-.01em}.sub{color:var(--muted);font-size:13.5px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:14px}.card .t{font-weight:600;font-size:15.5px}.card .d{color:var(--muted);font-size:13px;margin-top:3px}.card.click{cursor:pointer;transition:border-color .15s}.card.click:hover{border-color:var(--accent-line)}.chip{display:inline-flex;align-items:center;font-size:11px;font-weight:600;letter-spacing:.02em;padding:3px 9px;border-radius:999px;color:var(--muted);border:1px solid var(--line-2);flex:none}.chip.accent{color:var(--accent);border-color:var(--accent-line);background:var(--accent-soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--surface-2);color:var(--text);border:1px solid var(--line-2);border-radius:var(--r-btn);padding:12px 16px;font-size:15px;font-weight:600;cursor:pointer;transition:filter .15s,border-color .15s;width:100%}.btn:hover{border-color:var(--accent-line)}.btn.primary{background:linear-gradient(180deg,#e6d193,#cbb37b 55%,#b99c55);color:var(--on-accent);border-color:var(--gold-line);border-radius:10px}.btn.primary:hover{filter:brightness(1.04)}.btn.danger{background:var(--danger-soft);color:var(--danger);border-color:#ff6b5e4d}.btn:disabled{opacity:.5;cursor:default}.btn.small{width:auto;padding:8px 12px;font-size:13px}.segment{display:flex;background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-btn);padding:3px;gap:3px}.segment button{flex:1;border:none;background:none;color:var(--muted);padding:9px 10px;border-radius:11px;font-weight:600;font-size:13.5px;cursor:pointer}.segment button.on{background:var(--gold-soft);color:var(--gold-bright);border:1px solid var(--gold-line);font-weight:700}.tabbar{position:sticky;bottom:0;display:flex;border-top:1px solid var(--line);background:#16261deb;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);padding:5px 0 2px}.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 0 9px;color:var(--muted-2);font-size:10.5px;font-weight:600;letter-spacing:.02em;cursor:pointer;border:none;background:none}.tabbar a .ico{font-size:20px;line-height:1}.tabbar a.on{color:var(--accent)}.duel-head{display:flex;align-items:center;gap:10px;padding:12px 16px 8px}.timer{font-weight:700;font-seconds:2px;font-variant-numeric:tabular-nums}.timer.low{color:var(--danger)}.chat{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding:8px 16px 12px}.bubble{max-width:82%;padding:10px 13px;font-size:15px;line-height:1.42;background:var(--surface);border:1px solid var(--line);align-self:flex-start;border-radius:18px 18px 18px 6px;white-space:pre-wrap;word-break:break-word}.bubble.me{align-self:flex-end;background:var(--accent-soft);border-color:var(--accent-line);border-bottom-left-radius:18px;border-bottom-right-radius:6px}.bubble .who{font-size:11px;font-weight:700;color:var(--muted);margin-bottom:3px;letter-spacing:.02em}.bubble.me .who{color:var(--accent)}.composer{display:flex;gap:8px;padding:10px 16px 14px}.composer textarea{flex:1;resize:none;background:var(--surface);color:var(--text);border:1px solid var(--line-2);border-radius:var(--r-btn);padding:11px 13px;font:inherit;min-height:44px;max-height:120px}.composer textarea:focus{outline:none;border-color:var(--accent-line)}.judge{border-left:3px solid var(--gold-line)}.score{display:inline-flex;align-items:baseline;gap:4px;font-weight:800;font-size:20px;color:var(--gold-bright)}.row{display:flex;align-items:center;gap:8px}.grow{flex:1}.muted{color:var(--muted)}.center{text-align:center}.spin{width:22px;height:22px;margin:40px auto;display:block;border:3px solid var(--line-2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.err{background:var(--danger-soft);color:var(--danger);border:1px solid rgba(255,107,94,.3);border-radius:var(--r-btn);padding:10px 14px;font-size:13.5px}