:root{--primary-green: #2ecc71;--primary-green-dark: #27ae60;--enemy-red: #e74c3c;--gate-cyan: #00d2ff;--gold: #f1c40f;--gold-dark: #d4ac0d;--dark-bg: #2c1e19;--panel-bg: rgba(26, 18, 15, .88)}*{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none;touch-action:none}html,body{width:100%;height:100%;overflow:hidden;background-color:var(--dark-bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:#fff}#game-container{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden}#canvas-holder{width:100%;height:100%;position:absolute;top:0;left:0}#ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:12px 16px;z-index:10}#ui-overlay button,#ui-overlay .icon-btn,#ui-overlay .shop-btn,#ui-overlay .champion-btn{pointer-events:auto;cursor:pointer}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;pointer-events:auto}.level-badge{background:linear-gradient(135deg,#34495e,#1a252f);border:2px solid #5dade2;border-radius:20px;padding:6px 14px;font-weight:800;font-size:15px;letter-spacing:.5px;box-shadow:0 4px 10px #0006}.tower-hp-container{flex:1;max-width:260px;background:#0009;border:2px solid var(--enemy-red);border-radius:16px;padding:4px 10px;position:relative;text-align:center;box-shadow:0 4px 12px #e74c3c4d}.tower-hp-bar{position:absolute;top:0;left:0;height:100%;background:linear-gradient(90deg,#c0392b,#e74c3c);border-radius:14px;width:100%;transition:width .15s ease-out;z-index:1}.tower-hp-text{position:relative;z-index:2;font-weight:900;font-size:14px;text-shadow:0 2px 4px rgba(0,0,0,.8)}.top-right{display:flex;align-items:center;gap:8px}.coin-badge{background:#0009;border:2px solid var(--gold);border-radius:20px;padding:5px 12px;font-weight:800;font-size:15px;color:var(--gold);display:flex;align-items:center;gap:6px}.icon-btn{background:#0009;border:2px solid #7f8c8d;color:#fff;border-radius:50%;width:38px;height:38px;font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .1s,border-color .2s}.icon-btn:active{transform:scale(.92)}.bottom-bar{display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:auto;margin-bottom:8px}.tip-text{font-size:13px;font-weight:600;color:#ffffffbf;text-shadow:0 2px 4px rgba(0,0,0,.8);animation:pulseOpacity 1.6s infinite ease-in-out}@keyframes pulseOpacity{0%,to{opacity:.5}50%{opacity:.95}}.action-row{display:flex;align-items:center;justify-content:center;gap:16px;width:100%;max-width:400px}.champion-btn{background:linear-gradient(135deg,#7f8c8d,#34495e);border:3px solid #95a5a6;border-radius:30px;padding:10px 24px;font-size:15px;font-weight:900;color:#bdc3c7;cursor:not-allowed;display:flex;align-items:center;gap:8px;box-shadow:0 4px 12px #00000080;transition:all .2s}.champion-btn.ready{background:linear-gradient(135deg,#f39c12,#e67e22);border-color:#f1c40f;color:#fff;cursor:pointer;box-shadow:0 0 20px #f1c40fcc;animation:glowPulse 1.2s infinite alternate}@keyframes glowPulse{0%{transform:scale(1);filter:brightness(1)}to{transform:scale(1.05);filter:brightness(1.2)}}.shop-btn{background:linear-gradient(135deg,#2980b9,#3498db);border:2px solid #5dade2;border-radius:24px;padding:9px 18px;font-size:14px;font-weight:800;color:#fff;cursor:pointer;box-shadow:0 4px 10px #0006}.shop-btn:active{transform:scale(.94)}.modal-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000bf;backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:100;pointer-events:none}.modal-overlay.active{display:flex;pointer-events:auto}.modal-card{background:var(--panel-bg);border:3px solid #7f8c8d;border-radius:24px;padding:24px 28px;width:90%;max-width:360px;text-align:center;box-shadow:0 12px 32px #000c;transform:translateY(20px);transition:transform .25s cubic-bezier(.175,.885,.32,1.275)}.modal-overlay.active .modal-card{transform:translateY(0)}.modal-title{font-size:26px;font-weight:900;margin-bottom:8px}.modal-title.victory{color:var(--gold);text-shadow:0 0 16px rgba(241,196,15,.6)}.modal-title.defeat{color:var(--enemy-red)}.modal-desc{font-size:15px;color:#ffffffd9;margin-bottom:20px}.modal-btn{width:100%;padding:13px;border:none;border-radius:16px;font-size:17px;font-weight:900;cursor:pointer;margin-top:10px;transition:transform .1s}.modal-btn:active{transform:scale(.96)}.modal-btn.primary{background:linear-gradient(135deg,var(--primary-green),var(--primary-green-dark));color:#fff;box-shadow:0 6px 16px #2ecc7166}.modal-btn.secondary{background:#ffffff1f;border:1px solid rgba(255,255,255,.3);color:#fff}.shop-list{display:flex;flex-direction:column;gap:12px;margin:16px 0;text-align:left}.shop-item{display:flex;align-items:center;justify-content:space-between;background:#ffffff0f;border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:10px 14px}.shop-info-title{font-size:14px;font-weight:800}.shop-info-lvl{font-size:12px;color:var(--gold)}.shop-buy-btn{background:linear-gradient(135deg,var(--gold),var(--gold-dark));border:none;border-radius:12px;padding:8px 14px;font-weight:900;font-size:13px;color:#2c1e19;cursor:pointer}.shop-buy-btn:disabled{background:#7f8c8d;color:#bdc3c7;cursor:not-allowed}.start-prompt{position:absolute;top:55%;left:50%;transform:translate(-50%,-50%);background:#000000b3;border:2px solid var(--gate-cyan);border-radius:24px;padding:14px 28px;font-weight:800;font-size:16px;text-align:center;pointer-events:none;box-shadow:0 0 20px #00d2ff66;animation:promptBob 1.5s infinite ease-in-out}@keyframes promptBob{0%,to{transform:translate(-50%,-50%) scale(1)}50%{transform:translate(-50%,-54%) scale(1.04)}}