*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,sans-serif;background:linear-gradient(135deg,#1a1a2e,#16213e);min-height:100vh;color:#fff}
#app{max-width:1000px;margin:0 auto;padding:20px}
.screen{animation:fadeIn .2s}
.hidden{display:none!important}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
h1{text-align:center;font-size:2rem;color:#ffd700;margin-bottom:20px}
h2{text-align:center;color:#ffd700;margin-bottom:15px}
h3{color:#ffd700;margin-bottom:10px}
.form{background:rgba(255,255,255,.1);padding:25px;border-radius:12px;max-width:350px;margin:0 auto 20px}
.form input,.form select{width:100%;padding:10px;margin-bottom:10px;border:none;border-radius:6px;background:rgba(255,255,255,.15);color:#fff;font-size:15px}
.form input::placeholder{color:#aaa}
.btn{padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-size:15px;font-weight:600;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn.primary{background:linear-gradient(135deg,#ffd700,#ff8c00);color:#1a1a2e}
.btn.danger{background:linear-gradient(135deg,#ff4757,#c0392b)}
.btn.sm{padding:6px 12px;font-size:13px}
.join-row{display:flex;gap:8px;margin-top:10px}
.join-row input{flex:1}
.rules{background:rgba(255,255,255,.05);padding:15px;border-radius:8px;max-width:350px;margin:0 auto}
.rules ul{list-style:none}
.rules li{padding:5px 0;color:#ccc;font-size:14px}
.room-id{font-size:1.3rem;color:#ffd700;letter-spacing:1px}
#playerList{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:15px 0}
.player-card{background:rgba(255,255,255,.1);padding:12px 20px;border-radius:8px;text-align:center;min-width:100px}
.player-card.ready{background:rgba(0,255,0,.2);border:2px solid #0f0}
.player-card.current{background:rgba(255,215,0,.3);border:2px solid #ffd700}
.player-card .name{font-weight:600}
.player-card .status{font-size:12px;color:#aaa;margin-top:4px}
.actions{display:flex;justify-content:center;gap:10px;margin-top:15px}
.header{display:flex;justify-content:space-between;padding:8px 15px;background:rgba(0,0,0,.3);border-radius:8px;margin-bottom:15px;font-size:14px}
.others{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:15px;min-height:50px}
.play-area{min-height:100px;background:rgba(0,0,0,.2);border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.last-play{text-align:center}
.last-play span{color:#ffd700;font-size:14px}
.my-area{background:rgba(0,0,0,.3);border-radius:10px;padding:15px}
.my-cards{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:12px;min-height:80px}
.card{width:50px;height:70px;background:linear-gradient(135deg,#fff,#f0f0f0);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;cursor:pointer;transition:.15s;user-select:none}
.card:hover{transform:translateY(-3px)}
.card.selected{transform:translateY(-12px);box-shadow:0 4px 12px rgba(0,0,0,.4);border:2px solid #ffd700}
.card.red{color:#e74c3c}
.card.black{color:#2d3436}
.card.super{background:linear-gradient(135deg,#ffd700,#ff8c00);color:#fff;font-size:12px}
.card.joker{background:linear-gradient(135deg,#9b59b6,#8e44ad);color:#fff;font-size:11px}
.card.sm{width:35px;height:50px;font-size:11px}
.chat{position:fixed;bottom:15px;right:15px;width:250px;background:rgba(0,0,0,.85);border-radius:8px;overflow:hidden}
#chatMsgs{height:150px;overflow-y:auto;padding:8px;font-size:13px}
#chatMsgs p{margin-bottom:5px}
#chatMsgs .sys{color:#888;font-style:italic}
#chatMsgs .pn{color:#ffd700}
.chat-input{display:flex;padding:8px;gap:6px;background:rgba(0,0,0,.3)}
.chat-input input{flex:1;padding:6px;border:none;border-radius:4px;background:rgba(255,255,255,.1);color:#fff;font-size:13px}
.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center}
.modal-box{background:#16213e;padding:30px;border-radius:12px;text-align:center;border:2px solid #ffd700}
.modal-box h2{margin-bottom:20px}
@media(max-width:600px){#app{padding:10px}.card{width:42px;height:60px;font-size:12px}.chat{width:100%;bottom:0;right:0;border-radius:8px 8px 0 0}}