:root{--bg-dark: #0f111a;--panel-bg: #161925;--border-color: #262b42;--text-main: #f1f5f9;--text-muted: #94a3b8;--accent-color: #8b5cf6;--accent-glow: rgba(139, 92, 246, .3)}body{margin:0;font-family:PingFang SC,Microsoft YaHei,sans-serif;background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased}.app-container{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color)}.logo{display:flex;align-items:center;gap:.5rem;color:var(--accent-color)}.logo h1{font-size:1.4rem;margin:0;background:linear-gradient(135deg,#a78bfa,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.icon-glow{filter:drop-shadow(0 0 8px var(--accent-color))}.tab-buttons{display:flex;gap:.5rem}.tab-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-muted);padding:.6rem 1.2rem;border-radius:8px;cursor:pointer;font-weight:700;transition:all .2s ease}.tab-btn:hover{background-color:#ffffff0d;color:var(--text-main)}.tab-btn.active{background-color:var(--accent-color);color:#fff;border-color:var(--accent-color);box-shadow:0 0 12px var(--accent-glow)}.app-content{flex:1;padding:2rem;max-width:1400px;margin:0 auto;width:100%;box-sizing:border-box}.lab-grid{display:grid;grid-template-columns:1fr 2fr;gap:2rem}@media (max-width: 900px){.lab-grid{grid-template-columns:1fr}}.panel{background-color:var(--panel-bg);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem}.panel h2{margin-top:0;font-size:1.3rem;display:flex;align-items:center;gap:.5rem}.subtitle{color:var(--text-muted);font-size:.9rem;margin-bottom:1.5rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.9rem;color:var(--text-muted)}.form-group input{width:100%;padding:.8rem;background-color:var(--bg-dark);border:1px solid var(--border-color);border-radius:8px;color:#fff;font-size:1rem;box-sizing:border-box}.form-group input:focus{outline:none;border-color:var(--accent-color)}.element-selector{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem}.element-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem;background-color:var(--bg-dark);border:1px solid var(--border-color);border-radius:8px;color:var(--text-muted);cursor:pointer;transition:all .2s}.element-btn:hover{border-color:var(--brand-color);color:#fff}.element-btn.selected{background-color:var(--brand-color);border-color:var(--brand-color);color:#fff;box-shadow:0 0 10px #ffffff1a}.btn-primary{width:100%;padding:1rem;background-color:var(--accent-color);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;box-shadow:0 4px 12px var(--accent-glow);transition:transform .1s,opacity .2s}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.monster-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem;max-height:65vh;overflow-y:auto;padding-right:.5rem}.monster-card{background-color:var(--bg-dark);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}.card-image-wrapper{position:relative;height:140px}.card-image-wrapper img{width:100%;height:100%;object-fit:cover}.element-badge{position:absolute;top:8px;left:8px;padding:.2rem .5rem;border-radius:6px;font-size:.75rem;font-weight:700;display:flex;align-items:center;gap:.2rem;color:#fff}.card-info{padding:1rem;display:flex;flex-direction:column;flex:1}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.card-header h3{margin:0;font-size:1.1rem}.btn-delete{background:transparent;border:none;color:#ef4444;cursor:pointer;padding:.2rem;border-radius:4px}.btn-delete:hover{background-color:#ef44441a}.bio{font-size:.8rem;color:var(--text-muted);margin:0 0 1rem;line-height:1.4;flex:1}.stats-row{display:flex;justify-content:space-between;font-size:.75rem;font-weight:700;border-top:1px solid var(--border-color);padding-top:.5rem}.stats-row span{display:flex;align-items:center;gap:.2rem}.arena-container{display:flex;flex-direction:column;gap:2rem}.arena-setup{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1.5rem}@media (max-width: 768px){.arena-setup{grid-template-columns:1fr}}.fighter-box{background-color:var(--panel-bg);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;min-height:250px;display:flex;flex-direction:column;align-items:center;justify-content:center}.fighter-box h3{margin-top:0;margin-bottom:1rem}.fighter-card{text-align:center}.fighter-card img{width:120px;height:120px;border-radius:50%;object-fit:cover;border:3px solid var(--accent-color);box-shadow:0 0 15px var(--accent-glow);margin-bottom:.8rem}.fighter-card h4{margin:0 0 .4rem;font-size:1.2rem}.fighter-card p{color:var(--text-muted);margin:0 0 .8rem;font-size:.9rem}.btn-change{background-color:transparent;border:1px solid var(--border-color);color:var(--text-muted);padding:.4rem 1rem;border-radius:6px;cursor:pointer}.btn-change:hover{color:#fff;border-color:var(--text-muted)}.fighter-placeholder{text-align:center;width:100%}.selector-list{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-top:1rem;max-height:120px;overflow-y:auto}.selector-list button{background-color:var(--bg-dark);border:1px solid var(--border-color);color:#fff;padding:.4rem .8rem;border-radius:6px;cursor:pointer;font-size:.85rem}.selector-list button:hover{border-color:var(--accent-color)}.vs-divider{display:flex;flex-direction:column;align-items:center;gap:1rem}.vs-text{font-size:2rem;font-weight:900;font-style:italic;color:#ef4444;text-shadow:0 0 10px rgba(239,68,68,.5)}.btn-battle{background:linear-gradient(135deg,#ef4444,#f97316);color:#fff;border:none;padding:1rem 2rem;border-radius:30px;font-size:1.2rem;font-weight:700;cursor:pointer;box-shadow:0 4px 15px #ef444466;transition:transform .1s}.btn-battle:active{transform:scale(.95)}.btn-battle:disabled{background:#334155;color:#64748b;box-shadow:none;cursor:not-allowed}.battle-logs-panel{background-color:var(--panel-bg);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem}.battle-logs-panel h3{margin-top:0}.logs-screen{background-color:var(--bg-dark);border:1px solid var(--border-color);border-radius:8px;padding:1rem;height:200px;overflow-y:auto;font-family:monospace}.no-logs{color:var(--text-muted);text-align:center;margin-top:4rem}.log-item{padding:.4rem 0;border-bottom:1px solid rgba(255,255,255,.03);font-size:.9rem}.winner-log{color:#3c3;font-weight:700;font-size:1.1rem;background-color:#33cc331a;padding:.6rem;border-radius:6px;margin-top:.5rem}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}