.home-shell{min-height:100vh;display:flex;flex-direction:column;background:var(--navy)}.home-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#0006;border-bottom:2px solid var(--navy3)}.home-player{display:flex;align-items:center;gap:10px}.switch-player-btn{padding:4px 10px;font-size:11px;background:transparent;border:1px solid #555;border-radius:5px;color:#888;cursor:pointer}.switch-player-btn:hover{border-color:#00d4ff;color:#00d4ff}.home-name{color:#fff;font-family:Fredoka One,cursive;font-size:16px}.home-lvl{font-family:Fredoka One,cursive;font-size:12px;padding:2px 10px;border-radius:10px;background:linear-gradient(135deg,#a855f7,#7c3aed);color:#fff}.home-xp{display:flex;align-items:center;gap:8px}.xp-bar-bg{width:120px;height:10px;background:#ffffff1a;border-radius:5px;overflow:hidden}.xp-bar-fill{height:100%;border-radius:5px;background:linear-gradient(90deg,#00e5c8,#00b8a0);transition:width .4s ease}.xp-label{font-size:11px;color:#ffffff80}.home-stats{display:flex;align-items:center;gap:14px;font-size:13px;color:#ffffffb3}.home-content{display:flex;flex-direction:row;flex:1;padding:20px;gap:20px;align-items:stretch;min-height:0}.castle-panel{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:0}.castle-label{text-transform:uppercase;letter-spacing:3px;font-size:11px;color:#ffffff59;margin-bottom:10px}.stars-display{display:flex;gap:4px;background:#ffffff0f;padding:6px 12px;border-radius:12px;margin-bottom:14px}.star-item{font-size:18px;filter:drop-shadow(0 0 4px rgba(255,208,0,.6))}.star-item.empty{filter:none;opacity:.2}.castle-wrap{width:260px;display:flex;justify-content:center}.castle-ground{width:280px;height:20px;background:linear-gradient(180deg,#2d6b3f,#1a4a2a);border-radius:0 0 14px 14px;margin-top:-2px}.home-right{width:280px;min-width:280px;display:flex;flex-direction:column;gap:10px}.mode-toggle{display:flex;gap:0;border-radius:10px;overflow:hidden;border:2px solid var(--navy3);margin-bottom:12px}.mode-toggle-btn{flex:1;padding:10px 16px;font-size:14px;font-weight:700;border:none;cursor:pointer;background:var(--navy2);color:#888;transition:background .2s,color .2s}.mode-toggle-btn.active{background:linear-gradient(135deg,#00e5c8,#00b89c);color:#fff}.mode-toggle-btn:not(.active):hover{background:var(--navy3);color:#ccc}.play-btn{font-family:Fredoka One,cursive;font-size:22px;color:#fff;border:none;padding:14px 0;border-radius:14px;cursor:pointer;background:linear-gradient(135deg,#00e5c8,#00b89c);box-shadow:0 0 18px #00e5c866;animation:pulse-glow 2s infinite;transition:transform .15s}.play-btn:hover{transform:scale(1.04)}@keyframes pulse-glow{0%,to{box-shadow:0 0 18px #00e5c866}50%{box-shadow:0 0 30px #00e5c8b3}}.panel-card{background:var(--navy2);border:1px solid var(--navy3);border-radius:12px;padding:12px}.panel-title{font-family:Fredoka One,cursive;font-size:13px;color:var(--teal);margin-bottom:8px}.wave-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.wave-dot{height:20px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;background:#ffffff0f;color:#ffffff40}.wave-dot.done{background:var(--teal);color:#0f1923}.wave-dot.boss{background:var(--orange);color:#0f1923}.wave-dot.next{background:#00e5c84d;color:#fff;animation:dot-pulse 1.5s infinite}@keyframes dot-pulse{0%,to{opacity:.6}50%{opacity:1}}.wave-dot.todo{background:#ffffff0f;color:#fff3}.unlock-list{display:flex;flex-direction:column}.unlock-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid rgba(255,255,255,.06);cursor:default}.unlock-item:last-child{border-bottom:none}.unlock-item.clickable{cursor:pointer}.unlock-item.clickable:hover{background:#00e5c80f;border-radius:6px}.unlock-icon{font-size:16px;width:22px;text-align:center}.unlock-name{flex:1;font-size:11px;color:#ffffffb3}.unlock-cost{font-size:11px;font-weight:700}.unlock-cost.done{color:var(--green)}.unlock-cost.available{color:var(--yellow)}.unlock-cost.locked{color:#ffffff40}.game-shell{width:100vw;height:100vh;display:flex;flex-direction:column;background:#2dca6f}.hud{display:flex;align-items:center;justify-content:space-between;padding:6px 16px;background:#2dca6f;min-height:44px;gap:16px;z-index:10}.hud-section{display:flex;align-items:center;gap:14px}.hud-stat{display:flex;align-items:center;gap:4px;font-size:1.05rem;font-weight:700}.hud-coins{color:var(--yellow)}.hud-lives{color:var(--red)}.hud-badge{background:var(--navy2);border:1px solid var(--teal);border-radius:8px;padding:3px 14px;font-size:.95rem;color:var(--teal);font-weight:700}.hud-enemies{color:var(--orange);font-size:.95rem}.speed-btn{background:var(--navy2);border:1px solid var(--teal);border-radius:6px;color:var(--teal);padding:3px 10px;font-size:.9rem;font-weight:700;cursor:pointer;transition:background .15s}.speed-btn:hover{background:var(--navy3)}.game-area{flex:1;position:relative;overflow:hidden;min-height:0}.shop-grass{position:relative;background:linear-gradient(180deg,#34b46a,#237a49);border-top:3px solid #1d6b3f;min-height:100px}.bottom-bar{position:relative;display:flex;align-items:center;padding:6px 12px;background:transparent;gap:8px;z-index:10;min-height:80px;flex-wrap:wrap;justify-content:center}.tower-btn{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#00000080;border:2px solid rgba(255,255,255,.15);border-radius:10px;padding:6px 10px;cursor:pointer;transition:border-color .15s,background .15s;min-width:80px;gap:2px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.tower-btn:hover{background:#000000a6;border-color:var(--teal)}.tower-btn.selected{border-color:var(--teal);background:#00e5c81f;box-shadow:0 0 10px #00e5c859}.tower-btn.locked{opacity:.4;cursor:not-allowed}.tower-btn.locked:hover{transform:none;border-color:var(--navy3);background:var(--navy2)}.tower-btn-sprites{position:relative;width:44px;height:44px;margin-bottom:2px}.tower-btn-base{position:absolute;top:2px;left:0}.tower-btn-weapon{position:absolute;top:-4px;left:4px}.tower-btn-name{font-size:.85rem;font-weight:700;color:#fff}.tower-btn-cost{font-size:.85rem;color:var(--yellow)}.tower-btn-tooltip{display:none;position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%);background:#000000d9;border:2px solid var(--teal);border-radius:10px;padding:10px 14px;min-width:160px;text-align:center;z-index:100;pointer-events:none}.tower-btn-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:6px solid transparent;border-top-color:var(--teal)}.tower-btn:hover .tower-btn-tooltip{display:block}.tooltip-header{font-size:1rem;font-weight:700;color:#fff;margin-bottom:4px}.tooltip-desc{font-size:.8rem;color:#ccc;margin-bottom:6px;line-height:1.3}.tooltip-stats{display:flex;justify-content:center;gap:8px;font-size:.8rem;color:#aaa;margin-bottom:4px}.tooltip-dps{font-size:.9rem;color:var(--teal);font-weight:700}.tooltip-lock{font-size:.75rem;color:gold;background:#ffd7001a;border-radius:4px;padding:4px 8px;margin-bottom:4px}.tower-btn-lock-info{font-size:.6rem;color:gold}.bar-sep{width:1px;height:50px;background:#0003;margin:0 6px}.earn-btn{background:linear-gradient(135deg,#ffd000,#ff8c00);border:none;border-radius:10px;color:#1a1a2e;font-weight:800;font-size:.85rem;padding:10px 16px;cursor:pointer;animation:earn-pulse 1.8s ease-in-out infinite;white-space:nowrap}.earn-btn:hover{filter:brightness(1.1)}@keyframes earn-pulse{0%,to{box-shadow:0 0 8px #ffd00066}50%{box-shadow:0 0 20px #ffd000b3}}.wave-btn{background:linear-gradient(135deg,#22c55e,#16a34a);border:none;border-radius:10px;color:#fff;font-weight:800;font-size:.85rem;padding:10px 16px;cursor:pointer;white-space:nowrap;transition:filter .15s}.wave-btn:hover{filter:brightness(1.1)}.wave-btn:disabled{opacity:.4;cursor:not-allowed;filter:none}.wave-gate{display:block;font-size:.75rem;letter-spacing:2px;margin-top:2px}.challenge-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100}.challenge-modal{background:var(--navy2);border:2px solid var(--teal);border-radius:16px;padding:28px 32px;min-width:min(340px,92vw);max-width:min(420px,94vw);box-sizing:border-box;display:flex;flex-direction:column;align-items:center;gap:16px}.challenge-title{font-size:1.2rem;color:var(--teal);font-weight:700}.challenge-img{width:200px;height:200px;border-radius:12px;object-fit:contain;background:#fff;border:2px solid var(--navy3)}.challenge-emoji{display:flex;align-items:center;justify-content:center;font-size:120px;line-height:1}.challenge-choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}.choice-btn{background:var(--navy3);border:2px solid var(--navy3);border-radius:10px;color:#fff;font-size:1rem;font-weight:600;padding:10px;cursor:pointer;transition:border-color .15s,background .15s}.choice-btn:hover{border-color:var(--teal);background:#00e5c81a}.mode-choice-btns{display:flex;gap:12px}.mode-choice-btn{background:var(--navy3);border:2px solid var(--navy3);border-radius:10px;color:#fff;font-size:.95rem;font-weight:700;padding:12px 20px;cursor:pointer;transition:border-color .15s,background .15s}.mode-choice-btn:hover{border-color:var(--teal);background:#00e5c81a}.spell-input{background:var(--navy3);border:2px solid var(--navy3);border-radius:10px;color:#fff;font-size:1.1rem;padding:10px 16px;text-align:center;width:100%;outline:none;transition:border-color .15s}.spell-input:focus{border-color:var(--teal)}.spell-submit{background:var(--teal);border:none;border-radius:10px;color:var(--navy);font-weight:800;font-size:.95rem;padding:10px 24px;cursor:pointer}.spell-blanks{--cell: 32px;display:flex;flex-wrap:wrap;gap:10px 18px;justify-content:center;margin-bottom:4px;max-width:100%}.spell-word{display:flex;gap:4px;flex-wrap:nowrap}.spell-blank{width:var(--cell);height:calc(var(--cell) * 1.25);flex-shrink:0;background:var(--navy3);border-bottom:3px solid var(--teal);border-radius:4px 4px 0 0;display:flex;align-items:center;justify-content:center;font-size:calc(var(--cell) * .65);font-weight:700;color:#fff;text-transform:lowercase}.spell-blank.filled{border-bottom-color:#4ade80}.spell-blank.active{border-bottom-color:gold}.sound-btn{background:var(--navy3);border:2px solid var(--navy3);border-radius:50%;width:44px;height:44px;font-size:1.3rem;cursor:pointer;transition:border-color .15s;display:flex;align-items:center;justify-content:center}.sound-btn:hover{border-color:var(--teal)}.sound-btn.loading{opacity:.5;cursor:wait}.math-problem{font-size:2.5rem;color:#fff;text-shadow:0 0 10px rgba(0,212,255,.5)}.math-reward{font-size:.75rem;color:#888;margin-top:4px}.challenge-feedback{font-size:1.3rem;font-weight:800;text-align:center}.challenge-feedback.correct{color:var(--green)}.challenge-feedback.wrong{color:var(--red)}.tower-popup{position:absolute;background:var(--navy2);border:2px solid rgba(0,229,200,.4);border-radius:12px;padding:14px 16px;z-index:30;min-width:240px}.popup-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.popup-title{font-size:1.1rem;font-weight:700}.popup-close{background:none;border:none;color:#ffffff80;cursor:pointer;font-size:1.1rem}.popup-stats{font-size:.9rem;color:#ffffffb3;margin-bottom:10px}.popup-upgrade-label{font-size:.8rem;color:#ffffff80;margin-bottom:6px}.popup-upg-btn{display:block;width:100%;text-align:left;padding:8px 10px;margin-bottom:5px;background:#00e5c814;border:1px solid rgba(0,229,200,.3);border-radius:8px;color:#fff;cursor:pointer;font-size:.85rem}.popup-upg-btn:disabled{opacity:.4;cursor:not-allowed}.popup-upg-btn:hover:not(:disabled){border-color:var(--teal);background:#00e5c826}.upg-desc{display:block;font-size:.75rem;color:#ffffff80;margin-top:3px}.upg-cost{font-size:.8rem;color:var(--yellow)}.popup-sell-btn{width:100%;margin-top:8px;padding:7px;background:#f8717126;border:1px solid rgba(248,113,113,.4);border-radius:8px;color:var(--red);cursor:pointer;font-size:.85rem;font-weight:700}.wave-announce-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:50;pointer-events:none;background:#0000004d}.wave-announce-box{display:flex;flex-direction:column;align-items:center;gap:6px;animation:bannerShow 4.5s ease-out forwards}.wave-announce-text{font-size:2.2rem;color:var(--yellow);text-shadow:0 0 20px rgba(255,208,0,.8)}.wave-announce-sub{font-size:.9rem;color:#ffffff80}.wave-announce-boost{font-size:1rem;color:#ff8c00;background:#ff8c0026;border:1px solid rgba(255,140,0,.4);border-radius:8px;padding:6px 16px;margin-top:4px}.wave-announce-countdown{font-size:3rem;color:#fff;text-shadow:0 0 30px rgba(255,255,255,.6);margin-top:4px}@keyframes bannerShow{0%{opacity:0;transform:scale(.7)}15%{opacity:1;transform:scale(1.05)}85%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1)}}.wave-complete-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:45;pointer-events:none}.wave-complete-text{font-size:2rem;color:var(--green);text-shadow:0 0 20px rgba(74,222,128,.8);animation:waveComplete 2s ease-out forwards}.star-earned-text{font-size:2.2rem;color:gold;text-shadow:0 0 30px rgba(255,215,0,.8);animation:starEarned 3s ease-out forwards}@keyframes starEarned{0%{opacity:0;transform:scale(.3)}15%{opacity:1;transform:scale(1.2)}25%{transform:scale(1)}75%{opacity:1}to{opacity:0;transform:scale(1) translateY(-20px)}}@keyframes waveComplete{0%{opacity:0;transform:scale(.5) translateY(20px)}20%{opacity:1;transform:scale(1.1) translateY(0)}70%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1) translateY(-30px)}}.loading-3d{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.4rem;background:#9fd8ff}:root{--navy: #0f1923;--navy2: #16263a;--navy3: #1e3450;--teal: #00e5c8;--yellow: #ffd000;--pink: #ff4d8d;--green: #4ade80;--purple: #a855f7;--orange: #fb923c;--red: #f87171}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Nunito,sans-serif;background-color:var(--navy);color:#fff;overflow:hidden;min-height:100vh}h1,h2,h3,.fredoka{font-family:Fredoka One,cursive}#root{width:100vw;height:100vh}.login-shell{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;width:100%;gap:16px}.login-title{font-size:3rem;color:var(--teal);text-shadow:0 0 30px rgba(0,229,200,.4)}.login-subtitle{font-size:1.05rem;color:#fff9;text-align:center;max-width:360px}.login-form{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:12px}.login-input{width:280px;padding:12px 16px;border-radius:10px;border:2px solid var(--navy3);background:var(--navy2);color:#fff;font-size:1.1rem;text-align:center;outline:none;transition:border-color .2s}.login-input:focus{border-color:var(--teal)}.login-input::placeholder{color:#ffffff4d}.login-error{color:var(--red);font-size:.85rem}.login-btn{background:linear-gradient(135deg,var(--teal),#00b8a3);border:none;border-radius:10px;color:var(--navy);font-weight:800;font-size:1.1rem;padding:12px 40px;cursor:pointer;transition:filter .15s,transform .1s}.login-btn:hover:not(:disabled){filter:brightness(1.1);transform:translateY(-1px)}.login-btn:disabled{opacity:.5;cursor:not-allowed}.login-btn.create-btn{background:var(--navy2);border:2px dashed #555;color:#aaa;font-size:.95rem;margin-top:8px}.login-btn.create-btn:hover{border-color:var(--teal);color:var(--teal)}.login-btn.cancel-btn{background:var(--navy2);border:1px solid #555;color:#888;font-size:.9rem;padding:10px 20px}.player-dropdown{position:relative;width:300px;margin-top:8px}.player-dropdown-list{position:absolute;top:100%;left:0;right:0;max-height:240px;overflow-y:auto;background:var(--navy2);border:2px solid var(--teal);border-top:none;border-radius:0 0 10px 10px;z-index:10}.player-dropdown-item{display:flex;justify-content:space-between;align-items:center;width:100%;padding:10px 16px;background:none;border:none;border-bottom:1px solid rgba(255,255,255,.05);color:#fff;font-size:1rem;cursor:pointer;text-align:left}.player-dropdown-item:hover{background:#00e5c81a}.player-dropdown-item:last-child{border-bottom:none}.player-dropdown-lvl{font-size:.75rem;color:var(--teal)}.end-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000c;display:flex;align-items:center;justify-content:center;z-index:200}.end-modal{background:var(--navy2);border:2px solid var(--yellow);border-radius:20px;padding:32px 40px;display:flex;flex-direction:column;align-items:center;gap:18px;min-width:340px;max-width:440px}.end-result{font-size:2rem}.end-result.win{color:var(--yellow);text-shadow:0 0 20px rgba(255,208,0,.5)}.end-result.lose{color:var(--red);text-shadow:0 0 20px rgba(248,113,113,.5)}.end-stars{display:flex;gap:8px;font-size:2.4rem}.end-star.filled{filter:drop-shadow(0 0 6px rgba(255,208,0,.6))}.end-star.empty{opacity:.3}.end-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;width:100%}.end-stat{display:flex;flex-direction:column;align-items:center;gap:2px}.end-stat-label{font-size:.8rem;color:#ffffff80;text-transform:uppercase;letter-spacing:1px}.end-stat-value{font-size:1.4rem;font-weight:800;color:var(--teal)}.end-buttons{display:flex;gap:12px;margin-top:6px}.end-btn{border:none;border-radius:10px;font-weight:800;font-size:.95rem;padding:12px 24px;cursor:pointer;transition:filter .15s,transform .1s}.end-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}.end-btn.orange{background:linear-gradient(135deg,var(--orange),#f97316);color:var(--navy)}.end-btn.teal{background:linear-gradient(135deg,var(--teal),#00b8a3);color:var(--navy)}.parent-link{margin-top:28px;background:none;border:none;color:#ffffff73;font-size:.85rem;cursor:pointer;text-decoration:underline}.parent-link:hover{color:#fffc}