*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0a0e1a;--bg2: #111827;--bg3: #1f2937;--border: rgba(255,255,255,.08);--accent: #f59e0b;--accent2: #3b82f6;--danger: #ef4444;--text: #f9fafb;--text2: #9ca3af;--radius: 12px;--font-px: "Press Start 2P", monospace;--font-ui: "Inter", sans-serif}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--font-ui);overflow:hidden}#app{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;position:relative}.screen{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:absolute;inset:0}.game-screen{background:#000;align-items:stretch;justify-content:stretch;position:relative}.game-screen canvas{width:100%!important;height:100%!important;object-fit:contain}.controls-overlay{position:absolute;bottom:24px;right:24px;background:#0006;backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;pointer-events:none;font-size:13px;color:#fffc;box-shadow:0 8px 32px #00000080;animation:fadeIn .5s ease .5s both}.ctrl-row{display:flex;align-items:center;justify-content:flex-end;gap:8px}kbd{display:inline-block;padding:4px 8px;font-family:var(--font-px);font-size:10px;background:#ffffff1a;border:1px solid rgba(255,255,255,.3);border-bottom-width:2px;border-radius:4px;color:#fff}.menu-screen{background:radial-gradient(ellipse at center,#1a2040,#0a0e1a 70%)}.menu-card{display:flex;flex-direction:column;align-items:center;gap:28px;padding:48px 56px;background:#ffffff08;border:1px solid var(--border);border-radius:20px;backdrop-filter:blur(12px);box-shadow:0 0 60px #f59e0b14,0 8px 32px #0009;max-width:480px;width:90%;animation:fadeIn .4s ease}.game-title{font-family:var(--font-px);font-size:clamp(20px,5vw,36px);color:var(--accent);text-shadow:0 0 20px rgba(245,158,11,.5),2px 2px 0 #92400e;letter-spacing:4px}.subtitle{color:var(--text2);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:2px;margin-top:-16px}.menu-actions{width:100%;display:flex;flex-direction:column;gap:16px}.divider{text-align:center;color:var(--text2);font-size:12px;letter-spacing:2px}.join-row{display:flex;gap:10px}.room-input{flex:1;padding:14px 16px;background:var(--bg3);border:2px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font-px);font-size:13px;letter-spacing:4px;text-align:center;text-transform:uppercase;outline:none;transition:border-color .2s}.room-input:focus{border-color:var(--accent2);box-shadow:0 0 0 3px #3b82f633}.room-input::placeholder{color:var(--text2);letter-spacing:2px}.tip{font-size:11px;color:var(--text2);text-align:center;opacity:.7}.lobby-screen{background:radial-gradient(ellipse at center,#1a2040,#0a0e1a 70%)}.lobby-card{display:flex;flex-direction:column;align-items:center;gap:24px;padding:40px 48px;background:#ffffff08;border:1px solid var(--border);border-radius:20px;backdrop-filter:blur(12px);max-width:440px;width:90%;animation:fadeIn .3s ease}.lobby-title{font-family:var(--font-px);font-size:16px;color:var(--text2);letter-spacing:2px}.room-code-display{display:flex;flex-direction:column;align-items:center;gap:8px}.room-label{font-size:11px;color:var(--text2);letter-spacing:3px;text-transform:uppercase}.room-code{font-family:var(--font-px);font-size:clamp(18px,4vw,28px);color:var(--accent);letter-spacing:8px;text-shadow:0 0 16px rgba(245,158,11,.4)}.copy-btn{background:none;border:1px solid var(--border);border-radius:8px;color:var(--text2);padding:6px 14px;font-size:12px;cursor:pointer;transition:all .2s;font-family:var(--font-ui)}.copy-btn:hover{background:var(--bg3);color:var(--text)}.status-area{display:flex;align-items:center;gap:12px;padding:14px 20px;background:var(--bg3);border-radius:var(--radius);width:100%}.status-icon{font-size:20px}.status-text{font-size:14px;color:var(--text2);font-weight:600}.connection-steps{width:100%;display:flex;flex-direction:column;gap:10px}.step{font-size:13px;color:var(--text2);padding:10px 16px;background:var(--bg);border-radius:8px;border:1px solid var(--border);transition:all .3s}.step.active{color:var(--accent2);border-color:#3b82f64d;background:#3b82f60d}.step.done{color:#4ade80;border-color:#4ade8033;background:#4ade800d}.btn{padding:14px 28px;border:none;border-radius:var(--radius);font-size:14px;font-weight:700;cursor:pointer;transition:all .2s;letter-spacing:1px;font-family:var(--font-ui);position:relative;overflow:hidden}.btn:after{content:"";position:absolute;inset:0;background:#fff0;transition:background .15s}.btn:hover:after{background:#ffffff12}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,#f59e0b,#d97706);color:#1a0a00;box-shadow:0 4px 16px #f59e0b4d;width:100%;font-size:15px;padding:16px}.btn-primary:hover{box-shadow:0 6px 24px #f59e0b80;transform:translateY(-1px)}.btn-secondary{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;box-shadow:0 4px 16px #3b82f64d;white-space:nowrap}.btn-secondary:hover{box-shadow:0 6px 20px #3b82f680;transform:translateY(-1px)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text2);font-size:13px;padding:10px 20px}.btn-ghost:hover{border-color:#fff3;color:var(--text);background:var(--bg3)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:3px}