*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6366f1;--primary-gradient:linear-gradient(135deg,#6366f1,#8b5cf6);--primary-glow:rgba(99,102,241,.35);--bg:linear-gradient(160deg,#dbeafe 0%,#e8e0ff 35%,#fce7f3 70%,#fef3c7 100%);--card:rgba(255,255,255,.72);--card-border:rgba(255,255,255,.55);--text:#1e293b;--text-muted:#64748b;--text-light:#94a3b8;--border:rgba(148,163,184,.25);--danger:#ef4444;--shadow:0 8px 32px rgba(0,0,0,.06);--radius:22px;--radius-sm:14px}
html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);background-attachment:fixed;color:var(--text);overflow:hidden;-webkit-tap-highlight-color:transparent;user-select:none}
#app{height:100%;position:relative}
.bg-shapes{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.shape{position:absolute;border-radius:50%;filter:blur(80px);opacity:.45;animation:float 20s ease-in-out infinite}
.shape-1{width:300px;height:300px;background:#a5b4fc;top:-80px;right:-60px}
.shape-2{width:250px;height:250px;background:#c4b5fd;bottom:10%;left:-80px;animation-delay:-7s}
.shape-3{width:200px;height:200px;background:#fde68a;bottom:-50px;right:20%;animation-delay:-14s}
@keyframes float{0%,100%{transform:translateY(0) scale(1)}33%{transform:translateY(-25px) scale(1.05)}66%{transform:translateY(15px) scale(.95)}}
.screen{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .4s,transform .4s;transform:scale(.97);z-index:1}
.screen.active{opacity:1;pointer-events:auto;transform:scale(1)}
.card{background:var(--card);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:44px 34px;width:100%;max-width:390px;text-align:center}
.logo{margin-bottom:36px}
.logo h1{font-size:36px;font-weight:800;letter-spacing:6px;margin-top:10px;background:linear-gradient(135deg,#1e293b,#6366f1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.logo .subtitle{color:var(--text-muted);font-size:13px;margin-top:8px;letter-spacing:10px;font-weight:500}
.logo-planes{font-size:42px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:15px 28px;border:none;border-radius:var(--radius-sm);font-size:16px;font-weight:600;cursor:pointer;transition:all .25s;outline:none}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--primary-gradient);color:#fff;width:100%;box-shadow:0 4px 18px var(--primary-glow);letter-spacing:2px}
.btn-accent{background:var(--primary-gradient);color:#fff;width:100%;box-shadow:0 4px 14px var(--primary-glow)}
.btn-ghost{background:rgba(255,255,255,.6);color:var(--primary);border:1px solid var(--border);width:100%}
.btn-outline{background:rgba(255,255,255,.5);color:var(--text);border:1.5px solid var(--border);padding:10px 24px;font-size:14px}
.btn-danger-outline{color:var(--danger);border-color:rgba(239,68,68,.25)}
.btn-dice{background:var(--primary-gradient);color:#fff;font-size:18px;letter-spacing:2px;box-shadow:0 4px 14px var(--primary-glow);padding:12px 30px}
.btn-dice:disabled{opacity:.4;cursor:default;transform:none}
.home-actions{display:flex;flex-direction:column;gap:14px}
.mode-section{display:flex;flex-direction:column;gap:10px}
.mode-label{font-size:13px;font-weight:600;color:var(--text-muted);letter-spacing:2px;text-align:left}
.ai-levels{display:flex;gap:10px}
.btn-ai{flex:1;padding:14px 0;border-radius:var(--radius-sm);font-size:15px;font-weight:700;letter-spacing:2px;color:#fff;border:none;transition:all .25s}
.btn-ai:active{transform:scale(.95)}
#btn-ai-easy{background:linear-gradient(135deg,#34d399,#10b981);box-shadow:0 4px 14px rgba(16,185,129,.3)}
#btn-ai-medium{background:linear-gradient(135deg,#fbbf24,#f59e0b);box-shadow:0 4px 14px rgba(245,158,11,.3)}
#btn-ai-hard{background:linear-gradient(135deg,#f87171,#ef4444);box-shadow:0 4px 14px rgba(239,68,68,.3)}
.divider{display:flex;align-items:center;gap:14px;color:var(--text-light);font-size:13px;font-weight:500}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}
.join-group{display:flex;flex-direction:column;gap:10px}
.join-group input{width:100%;padding:15px 16px;border:2px solid rgba(148,163,184,.2);border-radius:var(--radius-sm);font-size:22px;text-align:center;letter-spacing:12px;font-weight:700;outline:none;color:var(--text);background:rgba(255,255,255,.5)}
.join-group input:focus{border-color:var(--primary);background:rgba(255,255,255,.8)}
.join-group input::placeholder{letter-spacing:1px;font-size:14px;font-weight:400;color:#94a3b8}
.join-group .btn{width:100%}
.error-msg{color:var(--danger);font-size:13px;margin-top:12px;min-height:20px;font-weight:500}
.btn-back-lobby{display:inline-block;margin-top:18px;color:var(--text-light);font-size:14px;font-weight:500;text-decoration:none;letter-spacing:1px;transition:color .2s}
.btn-back-lobby:hover{color:var(--primary)}
.waiting-card h2{font-size:21px;font-weight:700;margin-bottom:28px}
.waiting-icon{position:relative;width:70px;height:70px;margin:0 auto 28px}
.pulse-dot{position:absolute;inset:23px;border-radius:50%;background:var(--primary-gradient);box-shadow:0 0 16px var(--primary-glow)}
.pulse-ring{position:absolute;inset:0;border-radius:50%;border:3px solid var(--primary);animation:pulse-ring 1.8s ease-out infinite}
@keyframes pulse-ring{0%{transform:scale(.5);opacity:1}100%{transform:scale(1.4);opacity:0}}
.room-code-display{background:linear-gradient(135deg,rgba(248,250,252,.8),rgba(241,245,249,.8));border-radius:var(--radius-sm);padding:22px;margin-bottom:18px}
.room-code-label{display:block;font-size:11px;color:var(--text-light);margin-bottom:10px;text-transform:uppercase;letter-spacing:3px;font-weight:600}
.room-code-value{font-size:46px;font-weight:800;letter-spacing:16px;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hint{color:var(--text-muted);font-size:13px;margin-bottom:22px}
.btn-cancel{margin-top:8px;color:var(--text-light);border-color:transparent}
.seat-list{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;text-align:left}
.seat-row{display:flex;align-items:center;gap:10px;padding:10px 14px;background:rgba(255,255,255,.4);border-radius:10px;border:1px solid rgba(148,163,184,.12)}
.seat-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0;box-shadow:0 1px 4px rgba(0,0,0,.15)}
.seat-name{font-size:14px;font-weight:600;flex:1}
.seat-tag{font-size:12px;font-weight:600;padding:3px 12px;border-radius:8px}
.tag-empty{background:rgba(148,163,184,.12);color:#94a3b8}
.tag-player{background:rgba(99,102,241,.12);color:#6366f1}
.tag-you{background:rgba(34,197,94,.12);color:#16a34a}
.tag-ai{background:rgba(245,158,11,.12);color:#d97706}
.host-controls{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}
.host-btns{display:flex;gap:10px}
.host-btns .btn{flex:1;padding:12px 0;font-size:14px}
.host-btns .btn:disabled{opacity:.35;cursor:default;transform:none}
#screen-game{flex-direction:column;padding:6px 8px 10px;gap:2px;overflow:hidden}
.score-bar{display:flex;justify-content:center;gap:6px;padding:2px 0}
.score-item{padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700;color:#fff;opacity:.6;transition:opacity .3s}
.score-item.active{opacity:1;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.si-red{background:#e53e3e}.si-green{background:#38a169}.si-blue{background:#3182ce}.si-yellow{background:#d69e2e}
.game-status{font-size:14px;font-weight:700;color:var(--text-muted);text-align:center;padding:1px 0;letter-spacing:1px}
.board-wrapper{display:flex;align-items:center;justify-content:center;flex:1;width:100%;min-height:0;overflow:hidden}
#game-board{border-radius:8px;box-shadow:0 8px 32px rgba(0,0,0,.12);touch-action:none;cursor:pointer}
.game-footer{display:flex;gap:10px;justify-content:center;padding-top:3px;flex-shrink:0;align-items:center}
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.35);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:24px;z-index:1000;opacity:0;pointer-events:none;transition:opacity .3s}
.modal-overlay.active{opacity:1;pointer-events:auto}
.modal-card{background:rgba(255,255,255,.88);backdrop-filter:blur(24px);border:1px solid var(--card-border);border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.1);padding:40px 34px;max-width:350px;width:100%;text-align:center;transform:scale(.88) translateY(20px);transition:transform .35s cubic-bezier(.34,1.56,.64,1)}
.modal-overlay.active .modal-card{transform:scale(1) translateY(0)}
.modal-card h3{font-size:24px;font-weight:800;margin-bottom:10px}
.modal-card p{color:var(--text-muted);font-size:14px;margin-bottom:30px;line-height:1.6;white-space:pre-line}
.modal-actions{display:flex;gap:12px}
.modal-actions .btn{flex:1}