:root{--bg: #0a0a12;--bg-card: #111122;--bg-card-2: #0d0d1a;--border: rgba(74, 143, 212, .18);--blue: #4a8fd4;--blue-light: #7eb8f7;--blue-dim: #2d5a8e;--text: #dce8ff;--text-muted: #5a7aaa;--green: #4ecb71;--amber: #e8a020;--red: #e84040;--font: "JetBrains Mono", "Courier New", monospace;--radius: 12px;--tap-transition: .1s ease-out}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overflow:hidden}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;overscroll-behavior:none}.app{display:flex;flex-direction:column;height:100dvh;height:100vh;max-width:480px;margin:0 auto;position:relative}.screen{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none}.screen::-webkit-scrollbar{display:none}.loading{display:flex;align-items:center;justify-content:center;height:100%;flex-direction:column;gap:16px}.loading-dot{width:8px;height:8px;border-radius:50%;background:var(--blue);display:inline-block;animation:loading-bounce 1.2s ease-in-out infinite}.loading-dot:nth-child(2){animation-delay:.2s}.loading-dot:nth-child(3){animation-delay:.4s}@keyframes loading-bounce{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.header{padding:16px 20px 12px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.header-brand{font-size:.7rem;letter-spacing:.15em;color:var(--text-muted);text-transform:uppercase}.header-balance{display:flex;align-items:baseline;gap:6px}.header-balance-value{font-size:1.6rem;font-weight:700;color:var(--text);letter-spacing:-.02em}.header-balance-unit{font-size:.75rem;color:var(--blue-light);letter-spacing:.08em}.main-screen{display:flex;flex-direction:column;align-items:center;height:100%;padding:0 20px 20px;gap:0}.coin-area{flex:1;display:flex;align-items:center;justify-content:center;position:relative;width:100%}@keyframes idle-glow{0%,to{box-shadow:0 0 24px #4a8fd459,0 0 48px #4a8fd426,inset 0 0 24px #00000073}50%{box-shadow:0 0 36px #4a8fd48c,0 0 72px #4a8fd440,inset 0 0 24px #00000073}}@keyframes spin-ring{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.coin-wrapper{position:relative;width:200px;height:200px}.coin-ring{position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;border-radius:50%;background:conic-gradient(from 0deg,transparent 0deg,var(--blue) 80deg,var(--blue-light) 160deg,transparent 200deg,transparent 360deg);animation:spin-ring 5s linear infinite;opacity:.6}.coin-ring-mask{position:absolute;top:4px;right:4px;bottom:4px;left:4px;border-radius:50%;background:var(--bg)}.coin-btn{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:radial-gradient(circle at 38% 35%,#3a6fa8,#1a3a5c 55%,#0d2040);border:2px solid rgba(126,184,247,.4);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;animation:idle-glow 3s ease-in-out infinite;transition:transform var(--tap-transition),filter var(--tap-transition);-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none;outline:none;overflow:hidden}.coin-btn:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;background:radial-gradient(circle at 50% 40%,rgba(255,255,255,.12),transparent 65%);opacity:0;transition:opacity .06s ease}.coin-btn.tapping{transform:scale(.91);filter:brightness(1.3);animation:none;box-shadow:0 0 48px #4a8fd4b3,0 0 90px #4a8fd459,inset 0 0 24px #0006}.coin-btn.tapping:after{opacity:1}.coin-label{font-size:2.8rem;font-weight:700;color:var(--blue-light);text-shadow:0 0 20px rgba(126,184,247,.6);letter-spacing:.04em;line-height:1}.coin-sublabel{font-size:.6rem;letter-spacing:.18em;color:var(--blue-dim);text-transform:uppercase}@keyframes float-up{0%{transform:translate(-50%,-50%);opacity:1}to{transform:translate(-50%,calc(-50% - 80px));opacity:0}}.floating-text{position:absolute;pointer-events:none;color:var(--blue-light);font-weight:700;font-size:1.2rem;text-shadow:0 0 12px rgba(126,184,247,.9);animation:float-up .85s ease-out forwards;white-space:nowrap;z-index:20}.energy-section{width:100%;padding-bottom:8px}.energy-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.energy-label{font-size:.75rem;color:var(--text-muted);letter-spacing:.06em}.energy-value{font-size:.8rem;color:var(--blue-light);font-weight:600}.energy-bar-track{width:100%;height:6px;background:#ffffff12;border-radius:3px;overflow:hidden}.energy-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--blue) 0%,var(--blue-light) 100%);transition:width .4s ease;min-width:0}.energy-bar-fill.low{background:linear-gradient(90deg,var(--amber) 0%,#f8c060 100%)}.energy-bar-fill.empty{background:var(--red)}.energy-stats{display:flex;justify-content:space-between;margin-top:6px}.energy-stat{font-size:.65rem;color:var(--text-muted);letter-spacing:.05em}@keyframes fade-slide-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.passive-toast{background:#4ecb711f;border:1px solid rgba(78,203,113,.3);color:var(--green);border-radius:var(--radius);padding:10px 14px;font-size:.75rem;text-align:center;margin-bottom:12px;animation:fade-slide-in .3s ease}.upgrades-screen{padding:16px 16px 20px}.screen-title{font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;color:var(--text-muted);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.upgrade-list{display:flex;flex-direction:column;gap:10px}.upgrade-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:center}.upgrade-card:hover{border-color:#4a8fd459}.upgrade-info{min-width:0}.upgrade-name{font-size:.85rem;font-weight:600;color:var(--text);margin-bottom:2px}.upgrade-level{font-size:.68rem;color:var(--text-muted);margin-bottom:4px}.upgrade-desc{font-size:.7rem;color:var(--blue-light)}.upgrade-cost{font-size:.65rem;color:var(--text-muted);margin-top:4px}.upgrade-cost.can-afford{color:var(--green)}.upgrade-cost.maxed{color:var(--blue-dim)}.btn-buy{background:linear-gradient(135deg,var(--blue-dim),var(--blue));color:var(--text);border:none;border-radius:8px;padding:8px 14px;font-family:var(--font);font-size:.72rem;font-weight:600;cursor:pointer;letter-spacing:.06em;white-space:nowrap;transition:opacity .15s,transform .1s;touch-action:manipulation}.btn-buy:hover:not(:disabled){opacity:.9}.btn-buy:active:not(:disabled){transform:scale(.96)}.btn-buy:disabled{background:#ffffff0f;color:var(--text-muted);cursor:default}.btn-buy.maxed{background:none;border:1px solid var(--border);color:var(--blue-dim)}.referrals-screen{padding:16px 16px 20px}.referral-hero{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px;text-align:center;margin-bottom:16px}.referral-hero h2{font-size:.85rem;color:var(--text);margin-bottom:4px}.referral-hero p{font-size:.7rem;color:var(--text-muted);line-height:1.5;margin-bottom:14px}.referral-bonuses{display:flex;justify-content:center;gap:20px;margin-bottom:14px}.referral-bonus-item{text-align:center}.referral-bonus-amount{font-size:1rem;font-weight:700;color:var(--blue-light)}.referral-bonus-label{font-size:.62rem;color:var(--text-muted);margin-top:2px}.btn-copy{background:linear-gradient(135deg,#4a8fd433,#4a8fd459);border:1px solid rgba(74,143,212,.5);color:var(--blue-light);border-radius:8px;padding:10px 20px;font-family:var(--font);font-size:.75rem;font-weight:600;cursor:pointer;width:100%;letter-spacing:.06em;transition:background .2s,transform .1s;touch-action:manipulation}.btn-copy:active{transform:scale(.97)}.btn-copy.copied{color:var(--green);border-color:#4ecb7166}.referral-list-header{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px;display:flex;justify-content:space-between}.referral-list{display:flex;flex-direction:column;gap:8px}.referral-item{background:var(--bg-card-2);border:1px solid var(--border);border-radius:8px;padding:10px 14px;display:flex;justify-content:space-between;align-items:center}.referral-item-name{font-size:.8rem;color:var(--text)}.referral-item-balance{font-size:.72rem;color:var(--blue-light)}.referral-empty{text-align:center;color:var(--text-muted);font-size:.75rem;padding:24px 0;line-height:1.7}.tab-nav{display:flex;background:var(--bg-card);border-top:1px solid var(--border);flex-shrink:0}.tab-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:10px 0 max(10px,env(safe-area-inset-bottom));background:none;border:none;cursor:pointer;color:var(--text-muted);font-family:var(--font);font-size:.58rem;letter-spacing:.08em;text-transform:uppercase;transition:color .15s;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.tab-btn.active{color:var(--blue-light)}.tab-icon{font-size:1.35rem;line-height:1}