*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--accent: #4fc3f7;--btn-bg: #2a2a4a;--btn-hover: #3a3a6a;--modal-bg: #1e1e3a;--hud-bg: rgba(20, 20, 40, .9);--star-color: #ffd700}html,body{width:100%;height:100vh;height:100dvh;overflow:hidden;overscroll-behavior:none;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);touch-action:none;-webkit-user-select:none;user-select:none}#app{display:flex;flex-direction:column;height:100vh;height:100dvh;width:100%;opacity:0}#app.ready{opacity:1}#hud{display:flex;align-items:center;padding:8px 12px;background:var(--hud-bg);backdrop-filter:blur(8px);z-index:10;flex-shrink:0}.hud-left,.hud-right{display:flex;align-items:center;gap:10px;flex:1}.hud-right{justify-content:flex-end}.hud-center{display:none}#hud-level{font-weight:700;font-size:1.3rem}.hud-btn{background:var(--btn-bg);border:none;color:var(--text-primary);font-size:1.4rem;padding:10px 14px;min-width:44px;min-height:44px;border-radius:10px;cursor:pointer;transition:background .2s;display:inline-flex;align-items:center;justify-content:center}.hud-btn:hover{background:var(--btn-hover)}.hud-btn-text{font-size:.95rem;font-weight:700;letter-spacing:.5px}#game-area{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}#game-canvas{display:block;max-width:100%;max-height:100%}.notification{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--accent);color:#fff;padding:10px 24px;border-radius:20px;font-weight:600;font-size:.95rem;z-index:100;animation:slideUp .3s ease;pointer-events:none;transition:opacity .3s ease}.notification.hidden{opacity:0;pointer-events:none}.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s ease;pointer-events:none}.modal.hidden{display:none}.modal.modal-visible{opacity:1;pointer-events:auto}.modal:not(.hidden):not(.modal-visible){opacity:1;pointer-events:auto}.modal-backdrop{position:absolute;inset:0;background:#0009}.modal-content{position:relative;background:var(--modal-bg);border-radius:16px;padding:32px 28px;min-width:280px;max-width:90vw;max-height:85vh;overflow-y:auto;text-align:center;box-shadow:0 8px 32px #0000004d;transform:translateY(10px);transition:transform .25s ease}.modal.modal-visible .modal-content{transform:translateY(0)}.modal-content h2{margin-bottom:20px;font-size:1.5rem}.menu-buttons{display:flex;flex-direction:column;gap:10px}.btn{background:var(--btn-bg);border:none;color:var(--text-primary);font-size:1rem;padding:12px 24px;border-radius:10px;cursor:pointer;transition:background .2s,transform .1s;font-weight:600}.btn:hover{background:var(--btn-hover)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{filter:brightness(1.1)}.btn-completed{opacity:.7}.stars-display{font-size:2.5rem;margin:12px 0;letter-spacing:8px}.star{display:inline-block;transition:transform .3s ease,opacity .3s ease}.star.earned{color:var(--star-color);animation:starPop .4s ease}.star.empty{color:var(--text-secondary);opacity:.3}.chapter-tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap;justify-content:center}.chapter-tab{background:var(--btn-bg);border:2px solid transparent;color:var(--text-secondary);font-size:.8rem;font-weight:600;padding:6px 12px;border-radius:8px;cursor:pointer;transition:all .2s}.chapter-tab:hover{background:var(--btn-hover)}.chapter-tab.active{border-color:var(--accent);color:var(--accent);background:var(--btn-hover)}.chapter-progress{font-size:.9rem;color:var(--star-color);margin-bottom:12px;font-weight:600}.level-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:16px;max-height:40vh;overflow-y:auto;padding:4px}.level-btn{background:var(--btn-bg);border:2px solid transparent;color:var(--text-primary);font-size:1rem;font-weight:700;width:52px;height:52px;border-radius:10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;transition:background .2s}.level-btn:hover{background:var(--btn-hover)}.level-btn.current{border-color:var(--accent)}.level-btn.locked{opacity:.4;cursor:default}.level-btn .level-stars{font-size:.55rem;letter-spacing:1px}.stats-content{text-align:left;margin-bottom:16px}.stat-row{display:flex;align-items:center;padding:10px 0;border-bottom:1px solid rgba(128,128,128,.15)}.stat-icon{font-size:1.3rem;width:36px;text-align:center;flex-shrink:0}.stat-label{flex:1;font-size:.95rem;color:var(--text-secondary)}.stat-value{font-weight:700;font-size:1.1rem;color:var(--accent);min-width:40px;text-align:right}.modal-tutorial-content{max-width:360px;overflow:hidden;max-height:none}.hud-btn.disabled{opacity:.4;pointer-events:none}.tutorial-steps{text-align:left;margin-bottom:20px}.tutorial-step{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}.tutorial-icon{font-size:1.5rem;width:40px;text-align:center;flex-shrink:0}.tutorial-step:first-child .tutorial-icon{font-size:1.1rem;text-align:left}.tutorial-step p{font-size:.9rem;line-height:1.4;color:var(--text-secondary)}.tutorial-step p strong{color:var(--text-primary)}.modal-levels-content{min-width:320px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translate(-50%) translateY(20px);opacity:0}to{transform:translate(-50%) translateY(0);opacity:1}}@keyframes starPop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.3)}to{transform:scale(1);opacity:1}}@media(max-width:480px){#hud{padding:6px 8px}.hud-center{font-size:1rem;gap:14px}#hud-level{font-size:1.1rem}.hud-btn{padding:8px 10px;font-size:1.2rem;min-width:40px;min-height:40px}.modal-content{padding:24px 20px;min-width:260px}.level-grid{grid-template-columns:repeat(5,1fr)}.level-btn{width:46px;height:46px}.chapter-tab{font-size:.7rem;padding:5px 8px}}@media(min-width:768px)and (max-width:1024px){.modal-content{min-width:340px}}