.loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);z-index:10000;transition:opacity .5s ease-out}.loading-screen-complete{opacity:0;pointer-events:none}.loading-content{display:flex;flex-direction:column;align-items:center;gap:32px;max-width:600px;padding:48px;text-align:center}.loading-logo h1{margin:0;font-size:64px;font-weight:700;color:#fff;text-shadow:0 4px 16px rgba(0,0,0,.3);animation:pulse 2s ease-in-out infinite}.loading-tagline{margin:8px 0 0;font-size:20px;color:#ffffffe6;font-weight:500}.loading-progress{width:100%;display:flex;flex-direction:column;gap:12px}.loading-progress-bar{width:100%;height:12px;background:#0000004d;border-radius:12px;overflow:hidden;box-shadow:inset 0 2px 4px #0003}.loading-progress-fill{height:100%;background:linear-gradient(90deg,#4caf50,#8bc34a);border-radius:12px;transition:width .3s ease-out;box-shadow:0 0 16px #4caf5099;animation:shimmer 2s linear infinite}@keyframes shimmer{0%{background-position:-100% 0}to{background-position:100% 0}}.loading-progress-text{font-size:24px;font-weight:700;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.3)}.loading-asset{font-size:16px;color:#fffc;min-height:24px;font-style:italic}.loading-count{font-size:14px;color:#ffffffb3;font-family:Courier New,monospace}.loading-tips{margin-top:32px;padding:16px 24px;background:#ffffff1a;border-radius:12px;border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px)}.loading-tip{margin:0;font-size:14px;color:#ffffffe6;line-height:1.6}.loading-tip strong{color:#fff}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.loading-content{animation:fadeIn .5s ease-out}@media (max-width: 768px){.loading-content{padding:32px 24px;gap:24px}.loading-logo h1{font-size:48px}.loading-tagline{font-size:16px}.loading-progress-text{font-size:20px}.loading-asset{font-size:14px}.loading-count{font-size:12px}.loading-tips{margin-top:24px;padding:12px 16px}.loading-tip{font-size:13px}}@media (min-width: 769px) and (max-width: 1024px){.loading-logo h1{font-size:56px}}@media print{.loading-screen{display:none}}.hud{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1000;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.hud>*{pointer-events:auto}.hud-top{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:linear-gradient(to bottom,#000c,#0000)}.hud-resources{display:flex;gap:24px;align-items:center}.hud-resource{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#000000b3;border-radius:24px;border:2px solid rgba(255,255,255,.2);transition:all .2s ease}.hud-resource:hover{background:#000000d9;border-color:#fff6;transform:translateY(-2px)}.hud-resource-icon{font-size:24px;line-height:1}.hud-resource-value{font-size:18px;font-weight:700;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.5);min-width:60px;text-align:right}.hud-controls{display:flex;gap:12px}.hud-button{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:#000000b3;border:2px solid rgba(255,255,255,.2);border-radius:12px;font-size:24px;cursor:pointer;transition:all .2s ease}.hud-button:hover{background:#000000d9;border-color:#fff6;transform:translateY(-2px)}.hud-button:active{transform:translateY(0)}.hud-bottom{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:center;padding:24px;background:linear-gradient(to top,#000c,#0000)}.hud-building-toolbar{display:flex;gap:12px;padding:12px;background:#000000b3;border-radius:16px;border:2px solid rgba(255,255,255,.2)}.hud-building-button{position:relative;width:80px;height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:#ffffff1a;border:2px solid rgba(255,255,255,.2);border-radius:12px;font-size:32px;cursor:pointer;transition:all .2s ease}.hud-building-button:hover{background:#fff3;border-color:#fff6;transform:translateY(-4px)}.hud-building-button.active{background:#4caf504d;border-color:#4caf50cc;box-shadow:0 0 16px #4caf5080}.hud-building-label{font-size:12px;font-weight:700;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.5)}.hud-building-cost{position:absolute;bottom:4px;right:4px;padding:2px 6px;background:#ffc107e6;border-radius:8px;font-size:10px;font-weight:700;color:#000}.hud-building-cost:before{content:"🪙 "}.hud-debug{position:absolute;top:16px;right:16px;padding:8px 12px;background:#000000d9;border-radius:8px;border:1px solid rgba(255,255,255,.2);pointer-events:none}.hud-fps{font-size:14px;font-weight:700;color:#4caf50;font-family:Courier New,monospace}.hud-pause-overlay{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#000c;backdrop-filter:blur(8px);z-index:2000}.hud-pause-content{display:flex;flex-direction:column;align-items:center;gap:24px;padding:48px;background:#000000e6;border-radius:16px;border:2px solid rgba(255,255,255,.2)}.hud-pause-content h2{margin:0;font-size:48px;font-weight:700;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.5)}.hud-button-large{min-width:200px;padding:16px 32px;font-size:18px;font-weight:700;color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:12px;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #667eea66}.hud-button-large:hover{transform:translateY(-2px);box-shadow:0 6px 16px #667eea99}.hud-button-large:active{transform:translateY(0)}@media (max-width: 768px){.hud-top{padding:12px 16px}.hud-resources{gap:12px}.hud-resource{padding:6px 12px}.hud-resource-icon{font-size:20px}.hud-resource-value{font-size:14px;min-width:40px}.hud-button{width:40px;height:40px;font-size:20px}.hud-building-toolbar{gap:8px;padding:8px}.hud-building-button{width:64px;height:64px;font-size:24px}.hud-building-label{font-size:10px}.hud-pause-content{padding:32px}.hud-pause-content h2{font-size:32px}.hud-button-large{min-width:160px;padding:12px 24px;font-size:16px}}@media (min-width: 769px) and (max-width: 1024px){.hud-building-toolbar{gap:10px}.hud-building-button{width:72px;height:72px;font-size:28px}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.hud-resource.updating{animation:pulse .3s ease-in-out}.hud-button:focus,.hud-building-button:focus,.hud-button-large:focus{outline:3px solid rgba(255,255,255,.6);outline-offset:2px}@media print{.hud{display:none}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden}.app{position:relative;width:100%;height:100%;background:#000}.game-bootstrap{position:absolute;top:0;left:0;width:100%;height:100%}.game-canvas{display:block;width:100%;height:100%;outline:none;cursor:default}.app-loading{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);z-index:9999}.app-loading-spinner{width:80px;height:80px;border:8px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}.app-loading-text{margin-top:24px;font-size:24px;font-weight:700;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.3)}@keyframes spin{to{transform:rotate(360deg)}}.app-error{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#f5576c,#f093fb);z-index:9999}.app-error-icon{font-size:64px;margin-bottom:24px}.app-error-title{font-size:32px;font-weight:700;color:#fff;margin-bottom:16px;text-shadow:0 2px 8px rgba(0,0,0,.3)}.app-error-message{font-size:18px;color:#ffffffe6;text-align:center;max-width:600px;margin-bottom:32px}.app-error-button{padding:16px 32px;font-size:18px;font-weight:700;color:#f5576c;background:#fff;border:none;border-radius:12px;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #0003}.app-error-button:hover{transform:translateY(-2px);box-shadow:0 6px 16px #0000004d}.app-performance-warning{position:fixed;bottom:24px;right:24px;padding:16px 24px;background:#ff9800f2;border-radius:12px;border:2px solid rgba(255,255,255,.3);color:#fff;font-weight:700;box-shadow:0 4px 12px #0000004d;z-index:9000;animation:slideInUp .3s ease-out}@keyframes slideInUp{0%{transform:translateY(100px);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width: 768px){.app-loading-spinner{width:60px;height:60px;border-width:6px}.app-loading-text{font-size:18px}.app-error-icon{font-size:48px}.app-error-title{font-size:24px}.app-error-message{font-size:16px}.app-error-button{padding:12px 24px;font-size:16px}.app-performance-warning{bottom:16px;right:16px;left:16px;padding:12px 16px;font-size:14px}}.game-bootstrap,.game-canvas{user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none}body{overscroll-behavior-y:contain}.game-canvas{-webkit-touch-callout:none}.modal-loading{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);padding:16px 24px;background:#000c;border-radius:8px;color:#fff;font-size:16px;font-weight:600;z-index:10000;animation:fadeIn .2s ease-in}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}:root{--color-primary: #667eea;--color-secondary: #764ba2;--color-success: #4caf50;--color-warning: #ff9800;--color-error: #f5576c;--color-info: #2196f3;--font-primary: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;--font-mono: "Courier New", monospace;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .15);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .2);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-game: 1;--z-hud: 1000;--z-modal: 2000;--z-toast: 3000;--z-loading: 9999}*,*:before,*:after{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{margin:0;padding:0;font-family:var(--font-primary);font-size:16px;line-height:1.5;color:#fff;background:#000;overflow:hidden;width:100vw;height:100vh;position:fixed}h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.2}h1{font-size:48px}h2{font-size:36px}h3{font-size:28px}h4{font-size:24px}h5{font-size:20px}h6{font-size:18px}p{margin:0}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-base)}a:hover{color:var(--color-secondary)}button{font-family:var(--font-primary);cursor:pointer;border:none;outline:none}button:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{font-family:var(--font-primary);font-size:16px;border:none;outline:none}::-webkit-scrollbar{width:12px;height:12px}::-webkit-scrollbar-track{background:#0003;border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb{background:#ffffff4d;border-radius:var(--radius-sm);transition:background var(--transition-base)}::-webkit-scrollbar-thumb:hover{background:#ffffff80}::selection{background:var(--color-primary);color:#fff}:focus-visible{outline:3px solid rgba(102,126,234,.6);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.pointer-events-none{pointer-events:none}.pointer-events-auto{pointer-events:auto}@media (max-width: 768px){:root{font-size:14px}h1{font-size:32px}h2{font-size:28px}h3{font-size:24px}h4{font-size:20px}h5{font-size:18px}h6{font-size:16px}}@media (-webkit-min-device-pixel-ratio: 2),(min-resolution: 192dpi){body{-webkit-font-smoothing:subpixel-antialiased}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media print{body{background:#fff;color:#000}}@supports (padding: env(safe-area-inset-top)){body{padding-top:env(safe-area-inset-top);padding-right:env(safe-area-inset-right);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left)}}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOutRight{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}@keyframes shrink{0%{width:100%}to{width:0%}}.toast-enter{animation:slideInRight .3s ease-out}.toast-exit{animation:slideOutRight .3s ease-in}.progress-bar{animation:shrink linear;animation-fill-mode:forwards}