:root{--primary-gold: #d4af37;--dark-wood: #1a120b;--paper-white: #fdfcf0;--blood-red: #c0392b}body{margin:0;background:var(--dark-wood);color:#fff;font-family:PingFang SC,Microsoft YaHei,sans-serif;overflow:hidden}.app-container{width:100vw;height:100vh;display:flex;flex-direction:column;background-image:radial-gradient(circle at center,#3e2b1d,#1a110a)}.status-bar{height:32px;background:#0009;display:flex;justify-content:space-between;align-items:center;padding:0 20px;font-size:12px;border-bottom:1px solid rgba(212,175,55,.2)}.cloud-indicator{color:#4ecdc4;display:flex;align-items:center;gap:5px}.arena{flex:1;display:flex;flex-direction:column;padding:10px;position:relative}.opponents-row{height:120px;display:flex;justify-content:center;gap:20px}.mini-player{width:120px;background:#ffffff0d;border-radius:8px;padding:5px;border:1px solid rgba(255,255,255,.1);transition:all .3s}.mini-player.active{border-color:var(--primary-gold);box-shadow:0 0 15px #d4af3766;transform:scale(1.05)}.mini-avatar{height:70px;background:#000;border-radius:4px;overflow:hidden;position:relative}.mini-avatar img{width:100%;height:100%;object-fit:cover}.mini-hp-bar{position:absolute;bottom:2px;left:2px;display:flex;gap:2px}.hp-unit{width:6px;height:6px;border-radius:50%;background:#333;border:1px solid #fff}.hp-unit.on{background:var(--blood-red)}.battle-center{flex:1;display:flex;justify-content:space-around;align-items:center;padding:20px}.deck-stack{width:100px;height:140px;perspective:1000px}.card-back-visual{width:100%;height:100%;border-radius:8px;border:2px solid var(--primary-gold);background:#2c1e12;position:relative;overflow:hidden}.card-back-visual img{width:100%;height:100%;object-fit:cover;opacity:.7}.deck-count{position:absolute;bottom:10px;left:0;right:0;text-align:center;font-weight:700;text-shadow:0 2px 4px #000}.played-card{width:110px;height:150px;background:var(--paper-white);border-radius:10px;padding:5px;box-shadow:0 10px 30px #00000080}.played-card-inner{width:100%;height:100%;border:3px solid #333;border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#333}.p-icon{font-size:40px}.p-name{font-size:18px;font-weight:900;margin-top:10px}.log-panel{width:240px;height:160px;background:#0006;border-radius:10px;padding:10px;font-size:12px;color:#ccc;overflow-y:auto}.player-dashboard{height:240px;background:linear-gradient(to top,rgba(0,0,0,.9),transparent);display:flex;align-items:center;padding:0 30px;gap:20px}.main-avatar{width:110px;height:150px;border:3px solid var(--primary-gold);border-radius:10px;position:relative;overflow:hidden}.main-avatar img{width:100%;height:100%;object-fit:cover}.role-tag{position:absolute;top:5px;right:5px;background:var(--blood-red);padding:2px 8px;border-radius:4px;font-size:12px;font-weight:700}.equipment-zone{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:10px}.eq-slot{background:#ffffff1a;padding:4px 8px;border-radius:4px;font-size:10px;display:flex;flex-direction:column}.eq-slot.has-card{background:#d4af374d;border:1px solid var(--primary-gold)}.hand-container{flex:1;display:flex;justify-content:center;align-items:flex-end;height:100%;padding-bottom:20px}.card-item{width:110px;height:160px;margin-left:-25px;cursor:pointer;transition:transform .2s}.card-face{width:100%;height:100%;background:var(--paper-white);border-radius:8px;color:#333;padding:10px;display:flex;flex-direction:column;align-items:center;box-shadow:0 5px 15px #0000004d}.card-icon-lg{font-size:32px;margin-top:10px}.card-title{font-size:20px;font-weight:900;margin-top:10px}.card-type-label{font-size:10px;color:#666;margin-top:auto}.action-btn{padding:15px 30px;background:var(--primary-gold);border:none;border-radius:8px;color:#000;font-weight:700;cursor:pointer;box-shadow:0 4px #8a6d1c}.action-btn:disabled{background:#555;box-shadow:none;color:#888;cursor:not-allowed}.hero-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;padding:40px}.hero-card{background:#ffffff1a;padding:20px;border-radius:15px;text-align:center;cursor:pointer;border:2px solid transparent;transition:.3s}.hero-card:hover{border-color:var(--primary-gold);background:#fff3}