:root{--primary: #38bdf8;--bg: #020617;--panel: rgba(15, 23, 42, .98);--gold: #fbbf24;--red: #ef4444}body{margin:0;background:#000;color:#fff;font-family:Inter,system-ui,sans-serif;overflow:hidden}.app-container{width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at center,#1e293b,#020617)}.cloud-tag{position:absolute;top:20px;right:20px;background:#38bdf81a;border:1px solid var(--primary);padding:6px 14px;border-radius:20px;font-size:11px;color:var(--primary);z-index:1000}.main-canvas{background:var(--bg);border-radius:30px;box-shadow:0 0 80px #000c;border:2px solid rgba(255,255,255,.05)}.ui-panel{position:absolute;width:340px;max-height:85vh;background:var(--panel);border:1px solid rgba(255,255,255,.1);border-radius:32px;padding:30px;display:flex;flex-direction:column;align-items:center;z-index:100;box-shadow:0 30px 60px #0009;overflow-y:auto}.brand{text-align:center;margin-bottom:25px}.brand h1{font-size:28px;margin:8px 0;font-weight:900}.wallet{display:flex;gap:10px;margin-bottom:25px}.chip{background:#ffffff0d;padding:8px 16px;border-radius:16px;display:flex;align-items:center;gap:6px;font-weight:800}.menu{width:100%;display:flex;flex-direction:column;gap:12px}.btn-main{background:var(--primary);color:#0f172a;width:100%;padding:18px;border-radius:18px;font-size:17px;font-weight:900;display:flex;align-items:center;justify-content:center;gap:8px}.grid-btns{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.grid-btns button{background:#ffffff0d;color:#fff;padding:12px;border-radius:16px;font-size:12px}.modes-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.modes-grid button{background:#ffffff0d;color:#fff;padding:20px 10px;border-radius:20px;display:flex;flex-direction:column;align-items:center;gap:10px;font-weight:700;border:1px solid rgba(255,255,255,.1)}.upgrade-list{width:100%;display:flex;flex-direction:column;gap:10px}.up-item{background:#ffffff0d;padding:15px;border-radius:16px;display:flex;justify-content:space-between;align-items:center}.up-item button{background:var(--primary);color:#000;padding:6px 12px;border-radius:10px;font-weight:800}.hud{position:absolute;top:0;width:400px;padding:20px;pointer-events:none}.hud-row{display:flex;justify-content:space-between;align-items:center}.hp-slots{display:flex;gap:4px}.lvl-tag{font-weight:900;color:var(--primary);font-size:16px}.quit-btn{pointer-events:auto;background:#ef444433;color:var(--red);padding:4px 12px;border-radius:8px;border:1px solid var(--red);font-size:12px}.prog-bar{width:100%;height:6px;background:#ffffff1a;border-radius:3px;margin-top:12px;overflow:hidden}.prog-fill{height:100%;background:var(--primary);transition:width .3s ease}.modal-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;justify-content:center;align-items:center;z-index:1000}.save-modal{background:var(--panel);width:280px;padding:30px;border-radius:32px;text-align:center;border:1px solid var(--primary)}.save-actions{display:flex;flex-direction:column;gap:10px;margin-top:20px}.btn-yes{background:#22c55e;color:#fff;padding:14px;border-radius:14px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:8px}.btn-no{background:#ef44441a;color:var(--red);padding:14px;border-radius:14px;font-weight:800;display:flex;align-items:center;justify-content:center;gap:8px}.back-btn{align-self:flex-start;background:none;color:#94a3b8;display:flex;align-items:center;gap:4px;margin-bottom:15px}.score-box{font-size:28px;font-weight:900;color:var(--gold);margin:15px 0}