:root{--bg-void: #080604;--bg-deep: #0d0a07;--bg-arena: #110e0a;--bg-card: #15110c;--bg-surface: #1a1510;--bg-elevated: #201a13;--red: #e63946;--red-bright: #ff4d5a;--red-dark: #9b1b24;--red-glow: rgba(230, 57, 70, .35);--blue: #00b4d8;--blue-bright: #48cae4;--blue-dark: #0077b6;--blue-glow: rgba(0, 180, 216, .35);--gold: #d4a017;--gold-bright: #f0c040;--gold-dim: #a07c10;--gold-glow: rgba(212, 160, 23, .3);--text-primary: #f0e6d3;--text-secondary: #a89a85;--text-muted: #6b5e4f;--text-dim: #4a3f33;--border-subtle: rgba(212, 160, 23, .1);--border-medium: rgba(212, 160, 23, .2);--font-display: "Noto Serif SC", "SimSun", serif;--font-mono: "JetBrains Mono", "Consolas", monospace;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px;--space-2xl: 64px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .4);--shadow-md: 0 4px 20px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .6);--shadow-gold: 0 0 30px rgba(212, 160, 23, .15)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg-void);color:var(--text-primary);min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 50% at 50% 0%,rgba(212,160,23,.06) 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 20% 80%,rgba(230,57,70,.04) 0%,transparent 50%),radial-gradient(ellipse 60% 40% at 80% 80%,rgba(0,180,216,.04) 0%,transparent 50%);pointer-events:none;z-index:0}#root{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;z-index:1}.app{width:100%;max-width:1000px;padding:var(--space-xl) var(--space-lg);position:relative}.toast{position:fixed;top:24px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,#3d0a0a,#2a0505);color:var(--red-bright);padding:14px 28px;border-radius:var(--radius-md);font-size:14px;font-family:var(--font-mono);cursor:pointer;z-index:1000;animation:toastIn .4s cubic-bezier(.34,1.56,.64,1);border:1px solid rgba(230,57,70,.4);box-shadow:0 4px 24px #e639464d,inset 0 1px #ffffff0d}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(-20px) scale(.95)}to{opacity:1;transform:translate(-50%) translateY(0) scale(1)}}.arena-frame{position:relative;background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);box-shadow:var(--shadow-lg);overflow:hidden}.arena-frame:before,.arena-frame:after{content:"";position:absolute;width:40px;height:40px;border-color:var(--gold-dim);border-style:solid;opacity:.4;pointer-events:none}.arena-frame:before{top:8px;left:8px;border-width:2px 0 0 2px;border-radius:4px 0 0}.arena-frame:after{bottom:8px;right:8px;border-width:0 2px 2px 0;border-radius:0 0 4px}.lobby{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);padding:var(--space-2xl) var(--space-xl);background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-arena) 100%);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);box-shadow:var(--shadow-lg),var(--shadow-gold);position:relative;overflow:hidden}.lobby:before{content:"";position:absolute;top:-1px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.6}.lobby h1{font-family:var(--font-display);font-size:clamp(32px,5vw,48px);font-weight:900;color:var(--gold-bright);letter-spacing:6px;text-shadow:0 0 40px rgba(212,160,23,.3);position:relative}.lobby-subtitle{font-family:var(--font-mono);color:var(--text-secondary);font-size:14px;letter-spacing:2px;text-transform:uppercase}.lobby-hint{font-family:var(--font-mono);color:var(--text-muted);font-size:13px;letter-spacing:1px}.lobby-buttons{display:flex;gap:var(--space-md);flex-wrap:wrap;justify-content:center}.input{width:100%;max-width:360px;padding:14px 18px;border:1px solid var(--border-medium);border-radius:var(--radius-md);background:var(--bg-deep);color:var(--text-primary);font-family:var(--font-mono);font-size:15px;outline:none;transition:all .25s ease}.input:focus{border-color:var(--gold);box-shadow:0 0 0 3px var(--gold-glow),inset 0 1px #ffffff08}.input::placeholder{color:var(--text-dim);font-style:italic}.input:disabled{opacity:.4;cursor:not-allowed}.room-code{font-family:var(--font-mono);font-size:clamp(28px,4vw,40px);font-weight:800;color:var(--gold-bright);letter-spacing:8px;background:var(--bg-deep);padding:16px 36px;border-radius:var(--radius-md);border:1px solid var(--border-medium);-webkit-user-select:all;user-select:all;text-shadow:0 0 20px var(--gold-glow)}.room-hint{font-family:var(--font-mono);color:var(--text-muted);font-size:14px;letter-spacing:1px}.btn{padding:14px 32px;border:none;border-radius:var(--radius-md);font-family:var(--font-mono);font-size:15px;font-weight:700;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);letter-spacing:2px;text-transform:uppercase;position:relative;overflow:hidden}.btn:disabled{opacity:.3;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,rgba(255,255,255,.08) 0%,transparent 50%);pointer-events:none}.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-dim));color:var(--bg-void)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--gold-bright),var(--gold));transform:translateY(-2px);box-shadow:0 6px 24px var(--gold-glow)}.btn-red{background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff}.btn-red:hover:not(:disabled){background:linear-gradient(135deg,var(--red-bright),var(--red));transform:translateY(-2px);box-shadow:0 6px 24px var(--red-glow)}.btn-blue{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff}.btn-blue:hover:not(:disabled){background:linear-gradient(135deg,var(--blue-bright),var(--blue));transform:translateY(-2px);box-shadow:0 6px 24px var(--blue-glow)}.btn-secondary{background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border-medium)}.btn-secondary:hover:not(:disabled){background:var(--bg-surface);color:var(--text-primary);border-color:var(--gold-dim)}.game-area{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.game-status{background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-arena) 100%);border-radius:var(--radius-lg);padding:var(--space-lg) var(--space-xl);width:100%;display:flex;flex-direction:column;align-items:center;gap:12px;box-shadow:var(--shadow-md),var(--shadow-gold);border:1px solid var(--border-subtle);position:relative;overflow:hidden}.game-status:before{content:"";position:absolute;top:-1px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.5}.players{display:flex;align-items:center;gap:var(--space-lg);font-size:16px;font-family:var(--font-mono)}.player.me{font-weight:700;text-shadow:0 0 12px currentColor}.player.red{color:var(--red-bright)}.player.blue{color:var(--blue-bright)}.vs{color:var(--gold-dim);font-weight:800;font-family:var(--font-display);font-size:18px;letter-spacing:2px}.side-dot{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:6px;box-shadow:0 0 8px currentColor}.side-dot.red{background:var(--red);box-shadow:0 0 8px var(--red-glow)}.side-dot.blue{background:var(--blue);box-shadow:0 0 8px var(--blue-glow)}.side-badge{display:inline-block;padding:3px 14px;border-radius:var(--radius-sm);font-size:12px;font-weight:700;font-family:var(--font-mono);letter-spacing:2px;text-transform:uppercase;color:#fff}.side-badge.red{background:linear-gradient(135deg,var(--red),var(--red-dark));box-shadow:0 2px 12px var(--red-glow)}.side-badge.blue{background:linear-gradient(135deg,var(--blue),var(--blue-dark));box-shadow:0 2px 12px var(--blue-glow)}.score-display{font-size:clamp(28px,4vw,40px);font-weight:800;font-family:var(--font-display);display:flex;align-items:center;gap:12px}.score-red{color:var(--red-bright);text-shadow:0 0 16px var(--red-glow)}.score-blue{color:var(--blue-bright);text-shadow:0 0 16px var(--blue-glow)}.score-colon{color:var(--text-muted)}.round-indicators{display:flex;gap:10px;margin-top:4px}.round-dot{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-family:var(--font-mono);background:var(--bg-deep);color:var(--text-dim);border:2px solid var(--bg-elevated);transition:all .35s ease}.round-dot.current{border-color:var(--gold);color:var(--gold-bright);box-shadow:0 0 16px var(--gold-glow);animation:pulseGlow 2s ease-in-out infinite}.round-dot.red{background:linear-gradient(135deg,var(--red),var(--red-dark));color:#fff;border-color:var(--red);box-shadow:0 0 12px var(--red-glow)}.round-dot.blue{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;border-color:var(--blue);box-shadow:0 0 12px var(--blue-glow)}@keyframes pulseGlow{0%,to{box-shadow:0 0 16px var(--gold-glow)}50%{box-shadow:0 0 28px var(--gold-glow),0 0 48px #d4a0171a}}.result{font-size:clamp(24px,3.5vw,32px);font-weight:800;font-family:var(--font-display);letter-spacing:4px}.result.win{color:var(--gold-bright);text-shadow:0 0 30px var(--gold-glow),0 0 60px rgba(212,160,23,.15);animation:victoryPulse 1.5s ease-in-out infinite}.result.lose{color:var(--red);text-shadow:0 0 20px var(--red-glow)}@keyframes victoryPulse{0%,to{text-shadow:0 0 30px var(--gold-glow),0 0 60px rgba(212,160,23,.15)}50%{text-shadow:0 0 40px var(--gold-glow),0 0 80px rgba(212,160,23,.25)}}.restart-options{display:flex;gap:var(--space-md);margin-top:var(--space-sm)}.restart-panel{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:var(--space-sm)}.restart-info{font-family:var(--font-mono);color:var(--gold);font-size:14px;letter-spacing:1px}.answer-form{width:100%;background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-arena) 100%);border-radius:var(--radius-lg);padding:var(--space-lg) var(--space-xl);display:flex;flex-direction:column;gap:var(--space-lg);box-shadow:var(--shadow-md),var(--shadow-gold);border:1px solid var(--border-subtle);position:relative;overflow:hidden}.answer-form:before{content:"";position:absolute;top:-1px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.5}.round-header{display:flex;align-items:center;justify-content:center;gap:var(--space-md)}.round-label{font-family:var(--font-mono);color:var(--text-secondary);font-size:14px;letter-spacing:1px}.topic-item{display:flex;flex-direction:column;gap:var(--space-sm)}.topic-label{font-size:16px;font-weight:600;color:var(--gold-bright);display:flex;align-items:center;gap:10px;font-family:var(--font-body)}.topic-number{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-dim));color:var(--bg-void);font-family:var(--font-mono);font-size:13px;font-weight:800;flex-shrink:0}.input-wrapper{position:relative}.answer-input{max-width:100%;padding-right:64px}.char-count{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-family:var(--font-mono);font-size:12px;color:var(--text-dim)}.char-count.maxed{color:var(--red)}.submit-area{display:flex;justify-content:center;margin-top:var(--space-xs)}.submitted-status{display:flex;align-items:center;gap:var(--space-sm);font-family:var(--font-mono);font-size:14px;color:#2ecc71;letter-spacing:1px}.check-icon{font-size:20px}.opponent-ready{color:var(--gold-bright)}.waiting-opponent{color:var(--text-muted)}.battle-cards{width:100%;display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch}.battle-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--space-lg);display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-md);border-top:3px solid transparent;transition:all .3s ease;animation:cardSlideIn .5s cubic-bezier(.34,1.56,.64,1);position:relative;overflow:hidden}.battle-card.red{border-top-color:var(--red);border-radius:var(--radius-lg) 0 0 var(--radius-lg)}.battle-card.red:after{content:"";position:absolute;top:0;right:0;width:1px;height:100%;background:linear-gradient(180deg,transparent,var(--red-glow),transparent)}.battle-card.blue{border-top-color:var(--blue);border-radius:0 var(--radius-lg) var(--radius-lg) 0}.battle-card.blue:after{content:"";position:absolute;top:0;left:0;width:1px;height:100%;background:linear-gradient(180deg,transparent,var(--blue-glow),transparent)}@keyframes cardSlideIn{0%{opacity:0;transform:translateY(24px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.card-header{display:flex;align-items:center;gap:var(--space-sm)}.card-nickname{font-weight:600;font-size:15px;font-family:var(--font-mono)}.card-answer{font-size:15px;color:var(--text-primary);font-style:italic;padding:10px 14px;background:var(--bg-deep);border-radius:var(--radius-md);text-align:center;border:1px solid var(--border-subtle)}.card-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-sm)}.stat{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 6px;background:var(--bg-deep);border-radius:var(--radius-sm);border:1px solid var(--border-subtle)}.stat-label{font-size:11px;color:var(--text-muted);font-family:var(--font-mono);letter-spacing:1px;text-transform:uppercase}.stat-value{font-size:20px;font-weight:700;color:var(--text-primary);font-family:var(--font-mono)}.stat-value.highlight{color:var(--gold-bright);font-size:24px;text-shadow:0 0 12px var(--gold-glow)}.stat-main{background:linear-gradient(135deg,rgba(212,160,23,.08),var(--bg-deep));border-color:var(--border-medium)}.card-reason{font-size:13px;color:var(--text-secondary);line-height:1.6;font-style:italic}.vs-divider{display:flex;align-items:center;justify-content:center;width:60px;font-size:22px;font-weight:900;font-family:var(--font-display);color:var(--gold-bright);text-shadow:0 0 20px var(--gold-glow);position:relative}.vs-divider:before{content:"";position:absolute;top:10%;bottom:10%;left:50%;width:1px;transform:translate(-50%);background:linear-gradient(180deg,transparent,var(--gold-dim),transparent);opacity:.4}.battle-report{width:100%;background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-arena) 100%);border-radius:var(--radius-lg);padding:var(--space-lg) var(--space-xl);display:flex;flex-direction:column;align-items:center;gap:var(--space-md);box-shadow:var(--shadow-md),var(--shadow-gold);border:1px solid var(--border-subtle);animation:reportSlideIn .5s cubic-bezier(.34,1.56,.64,1);position:relative;overflow:hidden}.battle-report:before{content:"";position:absolute;top:-1px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.5}@keyframes reportSlideIn{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.battle-topic-label{font-family:var(--font-mono);color:var(--text-secondary);font-size:13px;letter-spacing:1px}.battle-result{font-size:clamp(22px,3vw,28px);font-weight:800;font-family:var(--font-display);letter-spacing:4px}.battle-result.win{color:var(--gold-bright);text-shadow:0 0 30px var(--gold-glow);animation:victoryPulse 1.5s ease-in-out infinite}.battle-result.lose{color:var(--red);text-shadow:0 0 20px var(--red-glow)}.narrative-text{font-size:15px;line-height:2;color:var(--text-secondary);white-space:pre-wrap;text-align:left;width:100%;max-height:320px;overflow-y:auto;padding:var(--space-md) var(--space-lg);background:var(--bg-deep);border-radius:var(--radius-md);border:1px solid var(--border-subtle);font-family:var(--font-body)}.narrative-text::-webkit-scrollbar{width:6px}.narrative-text::-webkit-scrollbar-track{background:var(--bg-deep)}.narrative-text::-webkit-scrollbar-thumb{background:var(--text-dim);border-radius:3px}.narrative-text::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.current-scores{font-size:clamp(20px,3vw,26px);font-weight:800;font-family:var(--font-display);display:flex;align-items:center;gap:12px;letter-spacing:2px}.score-separator{color:var(--text-muted)}.waiting-status{font-family:var(--font-mono);color:var(--text-muted);font-size:14px;letter-spacing:1px;animation:pulseFade 2s ease-in-out infinite}@keyframes pulseFade{0%,to{opacity:.5}50%{opacity:1}}.evaluating-overlay{width:100%;background:linear-gradient(180deg,var(--bg-card) 0%,var(--bg-arena) 100%);border-radius:var(--radius-lg);padding:var(--space-2xl) var(--space-xl);display:flex;flex-direction:column;align-items:center;gap:var(--space-lg);box-shadow:var(--shadow-md),var(--shadow-gold);border:1px solid var(--border-subtle);position:relative;overflow:hidden}.evaluating-overlay:before{content:"";position:absolute;top:-1px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.5}.evaluating-spinner{width:48px;height:48px;border:3px solid var(--bg-elevated);border-top:3px solid var(--gold);border-radius:50%;animation:spin 1s linear infinite;box-shadow:0 0 20px var(--gold-glow)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.evaluating-overlay p{font-family:var(--font-mono);color:var(--text-secondary);font-size:14px;letter-spacing:2px}@media(min-width:1200px){.app{max-width:1100px;padding:var(--space-2xl) var(--space-xl)}.game-area{gap:var(--space-xl)}}@media(max-width:900px){.app{max-width:800px;padding:var(--space-lg)}.battle-cards{grid-template-columns:1fr auto 1fr}.batttle-card{padding:var(--space-md)}}@media(max-width:640px){.app{padding:var(--space-md)}.lobby{padding:var(--space-xl) var(--space-lg);gap:var(--space-md)}.lobby h1{letter-spacing:3px}.room-code{font-size:24px;letter-spacing:4px;padding:12px 24px}.game-status{padding:var(--space-md) var(--space-lg)}.players{font-size:14px;gap:var(--space-md)}.score-display{font-size:28px}.battle-cards{grid-template-columns:1fr;gap:var(--space-sm)}.battle-card.red,.battle-card.blue{border-radius:var(--radius-lg)}.battle-card.red:after,.battle-card.blue:after{display:none}.vs-divider{width:100%;height:40px;font-size:18px}.vs-divider:before{top:50%;bottom:auto;left:10%;right:10%;width:auto;height:1px;transform:translateY(-50%);background:linear-gradient(90deg,transparent,var(--gold-dim),transparent)}.card-stats{gap:4px}.stat-value{font-size:16px}.stat-value.highlight{font-size:20px}.restart-options{flex-direction:column;gap:var(--space-sm)}.btn{padding:12px 24px;font-size:14px}.answer-form,.battle-report{padding:var(--space-lg)}}@media(max-width:380px){.lobby h1{font-size:24px;letter-spacing:2px}.lobby-buttons{flex-direction:column;align-items:center}.input{max-width:100%}}