:root{--color-cyan: #74f2ff;--color-cyan-dim: rgba(116, 242, 255, .18);--color-cyan-soft: rgba(116, 242, 255, .08);--color-blue: #4a86ff;--color-blue-dim: rgba(74, 134, 255, .18);--color-red: #ff667d;--color-red-dim: rgba(255, 102, 125, .26);--color-green: #4caf50;--color-green-dark: #2e7d32;--color-amber: #ffaa00;--color-white: #ffffff;--color-gray-100: rgba(255, 255, 255, .08);--color-gray-200: rgba(255, 255, 255, .05);--color-gray-300: rgba(255, 255, 255, .035);--color-black: #000000;--color-bg-dark: #040912;--color-bg-darker: #010612;--color-bg-overlay: rgba(4, 9, 18, .56);--color-bg-card: rgba(7, 14, 26, .92);--accent-cyan: var(--color-cyan);--accent-blue: var(--color-blue);--accent-amber: var(--color-amber);--accent-green: var(--color-green);--accent-red: var(--color-red);--text-main: var(--color-white);--text-soft: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--panel-border: rgba(116, 242, 255, .18);--panel-highlight: rgba(255, 255, 255, .08);--shadow-panel: 0 14px 32px rgba(1, 6, 18, .28);--shadow-panel-hover: 0 20px 40px rgba(1, 6, 18, .38);--shadow-overlay: 0 34px 80px rgba(1, 6, 18, .55);--bg-1: var(--color-bg-dark);--bg-2: var(--color-bg-darker);--bg-gradient: linear-gradient(180deg, var(--color-gray-200), transparent 100%);--bg-card-gradient: linear-gradient(180deg, var(--panel-highlight), transparent 100%);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--radius-full: 9999px;--font-xs: clamp(10px, .8vw, 11px);--font-sm: clamp(12px, 1vw, 14px);--font-md: clamp(14px, 1.2vw, 16px);--font-lg: clamp(16px, 1.4vw, 18px);--font-xl: clamp(20px, 2vw, 24px);--font-2xl: clamp(28px, 3vw, 36px);--font-3xl: clamp(36px, 4vw, 48px);--z-base: 1;--z-hud: 100;--z-hud-panel: 120;--z-crosshair: 150;--z-overlay: 190;--z-modal: 200;--z-banner: 210;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--container-narrow: 320px;--container-medium: 360px;--container-wide: 440px;--container-max: 620px;--container-full: 980px}*,*:before,*:after{box-sizing:border-box}body{margin:0;overflow:hidden;font-family:Orbitron,Noto Sans SC,Arial,sans-serif;background-color:var(--color-black);color:var(--text-main);cursor:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;inset:0;background:radial-gradient(1px 1px at 10% 10%,var(--color-gray-300) 0,transparent 0),radial-gradient(1px 1px at 20% 20%,var(--color-gray-300) 0,transparent 0),radial-gradient(1px 1px at 30% 30%,var(--color-gray-300) 0,transparent 0),radial-gradient(1px 1px at 40% 40%,var(--color-gray-300) 0,transparent 0),radial-gradient(1px 1px at 50% 50%,var(--color-gray-300) 0,transparent 0),radial-gradient(1px 1px at 60% 60%,var(--color-gray-300) 0,transparent 0),radial-gradient(1px 1px at 70% 70%,var(--color-gray-300) 0,transparent 0),radial-gradient(1px 1px at 80% 80%,var(--color-gray-300) 0,transparent 0),radial-gradient(1px 1px at 90% 90%,var(--color-gray-300) 0,transparent 0);background-size:200% 200%;animation:starfield 100s linear infinite;pointer-events:none;z-index:var(--z-base)}body:after{content:"";position:fixed;inset:0;background:radial-gradient(circle at center,transparent 55%,rgba(1,6,16,.52) 100%);pointer-events:none;z-index:var(--z-base)}body.in-flight{cursor:none}@keyframes starfield{0%{background-position:0 0}to{background-position:100% 100%}}.hud-panel{position:absolute;z-index:var(--z-hud-panel);background:var(--bg-gradient),var(--bg-1);border:1px solid var(--panel-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-panel);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:var(--spacing-lg) var(--spacing-xl);overflow:hidden;will-change:transform}.hud-panel:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--panel-highlight),transparent 55%);pointer-events:none}.hud-panel>*{position:relative;z-index:var(--z-base)}.panel-kicker,.overlay-kicker,#banner-kicker{display:inline-flex;align-items:center;gap:var(--spacing-sm);font-family:Orbitron,sans-serif;font-size:var(--font-xs);letter-spacing:.28em;text-transform:uppercase;color:var(--accent-cyan)}.panel-kicker:before,.overlay-kicker:before,#banner-kicker:before{content:"";width:28px;height:1px;background:currentColor;opacity:.8}button,.hud-panel button,.overlay-card button,.power-button{border:1px solid var(--panel-border);border-radius:var(--radius-md);background:var(--bg-card-gradient),var(--bg-2);color:var(--text-main);font-family:Noto Sans SC,sans-serif;font-size:var(--font-md);cursor:pointer;transition:transform var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base),background var(--transition-base);box-shadow:var(--shadow-panel);padding:var(--spacing-md) var(--spacing-lg);min-width:120px}button:hover,button:focus-visible,.hud-panel button:hover,.hud-panel button:focus-visible,.overlay-card button:hover,.overlay-card button:focus-visible,.power-button:hover,.power-button:focus-visible{transform:translateY(-2px);border-color:#74f2ff6b;box-shadow:var(--shadow-panel-hover);outline:2px solid var(--accent-cyan);outline-offset:2px}button:active,.power-button:active{transform:translateY(0)}.overlay-card button,.power-button{min-width:160px;margin:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg)}#settings-button{width:100%;margin-top:var(--spacing-lg)}#info{top:var(--spacing-lg);left:var(--spacing-lg);width:min(360px,calc(100vw - 48px));max-width:calc(100vw - 48px)}#level-indicator{top:var(--spacing-lg);left:50%;right:auto;transform:translate(-50%);width:min(var(--container-wide),calc(100vw - 48px));padding:var(--spacing-lg) var(--spacing-xl);border-radius:var(--radius-lg);background:var(--bg-gradient),var(--bg-1);border:1px solid var(--panel-border);box-shadow:var(--shadow-panel);font-size:var(--font-md);color:var(--text-main);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}#target-panel{top:var(--spacing-lg);right:var(--spacing-lg);width:min(var(--container-narrow),calc(100vw - 48px))}#combo-panel{left:50%;bottom:var(--spacing-lg);transform:translate(-50%);width:min(var(--container-medium),calc(100vw - 48px))}#hud{right:var(--spacing-lg);bottom:var(--spacing-lg);width:min(var(--container-narrow),calc(100vw - 48px))}#instructions{left:var(--spacing-lg);bottom:calc(var(--spacing-lg) + 220px);width:min(380px,calc(100vw - 48px));max-width:calc(100vw - 48px)}#minimap-container{bottom:var(--spacing-lg);left:var(--spacing-lg);width:min(220px,calc(100vw - 48px));padding:var(--spacing-lg);overflow:visible;z-index:var(--z-hud-panel);display:flex;flex-direction:column;gap:var(--spacing-sm);background:var(--bg-gradient),var(--bg-1);border:1px solid var(--panel-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-panel);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.minimap-summary{display:grid;gap:4px}#minimap-status{font-family:Orbitron,sans-serif;font-size:var(--font-md);letter-spacing:.04em;color:var(--text-main)}#minimap-status[data-state=clear]{color:var(--accent-green)}#minimap-status[data-state=hostile]{color:#ff9ba1}#minimap-status[data-state=locked]{color:var(--accent-amber)}#minimap-detail,#minimap-hint,.minimap-legend span,.minimap-label,.minimap-ring-text{color:var(--text-soft);font-size:var(--font-xs);letter-spacing:.08em;text-transform:uppercase}#minimap{width:184px;height:184px;margin:0 auto;border-radius:50%;background:radial-gradient(circle at center,rgba(116,242,255,.14),transparent 48%),radial-gradient(circle at center,rgba(255,255,255,.04),transparent 70%),#060e1bd9;border:1px solid rgba(116,242,255,.18);box-shadow:inset 0 0 35px #030a12e6;position:relative;overflow:hidden}#minimap:before{content:"";position:absolute;inset:12px;border-radius:50%;border:1px dashed rgba(116,242,255,.1)}#minimap-markers{position:absolute;inset:0}.minimap-axis{position:absolute;background:#74f2ff14;z-index:var(--z-base)}.minimap-axis.horizontal{left:50%;top:50%;width:100%;height:1px;transform:translate(-50%,-50%)}.minimap-axis.vertical{left:50%;top:50%;width:1px;height:100%;transform:translate(-50%,-50%)}.minimap-player,.minimap-enemy,.minimap-powerup{position:absolute;transform:translate(-50%,-50%);will-change:left,top}.minimap-player{width:10px;height:10px}.minimap-player:before{content:"";position:absolute;inset:0;background:var(--accent-cyan);border-radius:50%;box-shadow:0 0 8px var(--accent-cyan)}.minimap-player:after{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-bottom:8px solid var(--accent-cyan);transform:translate(-50%,-100%)}.minimap-enemy{width:8px;height:8px;background:var(--accent-red);border-radius:50%;box-shadow:0 0 6px var(--accent-red)}.minimap-enemy.scout{width:6px;height:6px;background:#0ff}.minimap-enemy.elite{width:10px;height:10px;background:red;box-shadow:0 0 8px red}.minimap-enemy.bomber{width:12px;height:12px;background:var(--color-amber);clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%)}.minimap-enemy.edge{opacity:.6}.minimap-enemy.target{border:2px solid var(--color-amber);box-shadow:0 0 10px var(--color-amber)}.minimap-powerup{width:10px;height:10px;background:#0f0;clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%);box-shadow:0 0 8px #0f0}.minimap-ring{position:absolute;border:1px solid rgba(116,242,255,.15);border-radius:50%;pointer-events:none}.minimap-ring{top:50%;left:50%;transform:translate(-50%,-50%)}.minimap-label,.minimap-ring-text{position:absolute;font-size:var(--font-xs);text-align:center;pointer-events:none}.minimap-label-top{top:8px;left:50%;transform:translate(-50%)}.minimap-label-right{right:8px;top:50%;transform:translateY(-50%)}.minimap-label-bottom{bottom:8px;left:50%;transform:translate(-50%)}.minimap-label-left{left:8px;top:50%;transform:translateY(-50%)}.minimap-ring-text-inner{bottom:28%;left:50%;transform:translate(-50%)}.minimap-ring-text-outer{bottom:12%;left:50%;transform:translate(-50%)}.minimap-legend{display:flex;justify-content:center;gap:var(--spacing-lg);padding-top:var(--spacing-xs)}.minimap-legend span{display:inline-flex;align-items:center;gap:6px}.legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%}.legend-dot.enemy{background:var(--accent-red)}.legend-dot.target{background:var(--color-amber);border:2px solid var(--color-amber)}.legend-dot.powerup{background:#0f0}#crosshair{position:absolute;top:50%;left:50%;width:20px;height:20px;transform:translate(-50%,-50%);z-index:var(--z-crosshair);display:none;pointer-events:none}#crosshair:before,#crosshair:after{content:"";position:absolute;background-color:#0ffc}#crosshair:before{width:2px;height:100%;left:50%;transform:translate(-50%)}#crosshair:after{width:100%;height:2px;top:50%;transform:translateY(-50%)}#crosshair.locked:before,#crosshair.locked:after{background-color:var(--color-amber);box-shadow:0 0 8px var(--color-amber)}#health-bar-container,#boost-bar-container,.meter-track{width:100%;height:16px;background-color:#333c;border-radius:var(--radius-sm);overflow:hidden;border:1px solid rgba(102,102,102,.5);margin-top:var(--spacing-xs)}#health-bar,#boost-bar,.meter-fill{height:100%;transition:width var(--transition-slow)}#health-bar{background:linear-gradient(to right,red,#0f0)}#boost-bar{background:linear-gradient(to right,#06f,#0ff)}#pause-screen,#power-up,#game-over,#settings,#difficulty-select{position:fixed;inset:0;z-index:var(--z-overlay);display:none;align-items:center;justify-content:center;background:var(--bg-overlay);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:var(--spacing-xl);cursor:default}#difficulty-select{display:flex;z-index:var(--z-modal);background:radial-gradient(circle at top,rgba(74,134,255,.18),transparent 42%),#040912bd}.overlay-card{width:min(var(--container-max),calc(100vw - 48px));padding:var(--spacing-2xl);border-radius:var(--radius-xl);background:var(--bg-card-gradient),var(--bg-card);border:1px solid var(--panel-border);box-shadow:var(--shadow-overlay);text-align:center;max-height:90vh;overflow-y:auto}.overlay-card.danger{border-color:var(--color-red-dim)}.overlay-card h1,.overlay-card h2{margin-bottom:var(--spacing-md);font-size:var(--font-2xl)}.overlay-card h1{font-size:var(--font-3xl)}.overlay-card p{margin-bottom:var(--spacing-lg);color:var(--text-soft);line-height:1.7}#power-up .overlay-card{width:min(520px,calc(100vw - 48px))}#settings .overlay-card{width:min(560px,calc(100vw - 48px))}#difficulty-select .overlay-card{width:min(var(--container-full),calc(100vw - 48px));text-align:left;padding:var(--spacing-2xl) calc(var(--spacing-2xl) + 6px) var(--spacing-xl)}.difficulty-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--spacing-md);margin:var(--spacing-lg) 0}#difficulty-select .difficulty-buttons button{padding:var(--spacing-lg) var(--spacing-md);text-align:left;min-height:160px;display:flex;flex-direction:column;justify-content:space-between;gap:var(--spacing-md)}.difficulty-label{font-family:Orbitron,sans-serif;font-size:var(--font-lg);color:var(--text-main)}.launch-copy,.launch-tip{max-width:680px;color:var(--text-soft);line-height:1.7}.launch-screen h2{text-align:left}.settings-row{margin:var(--spacing-md) 0;display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-md)}.settings-row label{font-size:var(--font-sm);color:var(--text-main);flex-shrink:0}.slider-container{width:min(240px,48vw);display:flex;align-items:center}.slider{-webkit-appearance:none;appearance:none;width:100%;height:10px;border-radius:var(--radius-full);background:var(--color-gray-100);outline:none;transition:background var(--transition-base)}.slider:hover{background:#ffffff1f}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent-cyan);cursor:pointer;box-shadow:0 0 10px #74f2ff66;transition:transform var(--transition-base)}.slider::-webkit-slider-thumb:hover{transform:scale(1.1)}.slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--accent-cyan);cursor:pointer;border:none;box-shadow:0 0 10px #74f2ff66}#particle-quality,#sound-toggle{accent-color:var(--accent-cyan)}.settings-buttons{margin-top:var(--spacing-lg);display:flex;justify-content:center;gap:var(--spacing-md)}.power-button{width:100%;margin:var(--spacing-xs) 0;text-align:left;padding:var(--spacing-lg) var(--spacing-xl)}#banner{position:fixed;top:var(--spacing-2xl);left:50%;transform:translate(-50%) translateY(-100%);z-index:var(--z-banner);background:var(--bg-card-gradient),var(--bg-card);border:1px solid var(--panel-border);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-xl);text-align:center;opacity:0;transition:transform var(--transition-slow),opacity var(--transition-slow);box-shadow:var(--shadow-overlay);max-width:calc(100vw - 48px);width:min(480px,calc(100vw - 48px))}#banner.visible{transform:translate(-50%) translateY(0);opacity:1}#banner-title{font-size:var(--font-lg);margin:var(--spacing-xs) 0;color:var(--text-main)}#banner-subtitle{font-size:var(--font-sm);color:var(--text-soft);margin:0}@media(max-width:960px){:root{--font-xs: 10px;--font-sm: 12px;--font-md: 14px;--font-lg: 16px;--font-xl: 20px;--font-2xl: 28px;--font-3xl: 36px}#info,#level-indicator,#target-panel,#instructions,#hud,#combo-panel,#minimap-container{width:calc(100vw - 32px);left:16px;right:16px;transform:none}#info{top:16px}#level-indicator{top:140px}#target-panel{top:264px}#instructions{top:420px;bottom:auto}#minimap-container{left:16px;bottom:188px;width:220px;right:auto}#combo-panel,#hud{bottom:16px}.difficulty-buttons{grid-template-columns:1fr}}@media(max-width:768px){:root{--font-xs: 9px;--font-sm: 11px;--font-md: 13px;--font-lg: 15px;--font-xl: 18px;--font-2xl: 24px;--font-3xl: 32px;--spacing-lg: 16px;--spacing-xl: 20px;--spacing-2xl: 28px}body{cursor:auto}.hud-panel{padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md)}#info{top:8px;left:8px;right:8px;width:auto}#level-indicator{top:120px}#target-panel{top:220px}#instructions{top:380px;font-size:var(--font-sm)}#minimap-container{left:8px;bottom:160px;width:180px;padding:var(--spacing-md)}#minimap{width:144px;height:144px}#combo-panel{bottom:8px;left:8px;right:8px;transform:none}#hud{right:8px;bottom:8px}.overlay-card{padding:var(--spacing-lg);margin:var(--spacing-md)}.overlay-card h1{font-size:var(--font-2xl)}.overlay-card h2{font-size:var(--font-xl)}.difficulty-buttons{gap:var(--spacing-sm)}#difficulty-select .difficulty-buttons button{min-height:120px;padding:var(--spacing-md)}button,.power-button{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-sm);min-width:100px}.settings-row{flex-direction:column;align-items:flex-start}.slider-container{width:100%}}@media(max-width:480px){:root{--font-xs: 8px;--font-sm: 10px;--font-md: 12px;--font-lg: 14px;--font-xl: 16px;--font-2xl: 20px;--font-3xl: 28px}#info,#target-panel,#hud{font-size:var(--font-sm)}#minimap-container{width:150px}#minimap{width:114px;height:114px}.minimap-legend{flex-direction:column;gap:var(--spacing-xs)}#difficulty-select .difficulty-buttons{grid-template-columns:1fr}}@media(prefers-contrast:high){:root{--panel-border: rgba(255, 255, 255, .4);--text-soft: var(--text-main)}.hud-panel,.overlay-card{border-width:2px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}body:before{animation:none}}.launch-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,#141e32f2,#050a14fa);transition:opacity .4s ease,visibility .4s ease}.launch-overlay.hidden{opacity:0;visibility:hidden;pointer-events:none}.loading-content{text-align:center;padding:var(--spacing-2xl)}.loading-title{font-family:Orbitron,sans-serif;font-size:clamp(32px,5vw,48px);color:var(--accent-cyan);text-shadow:0 0 20px rgba(116,242,255,.5);margin-bottom:var(--spacing-xs)}.loading-subtitle{font-size:var(--font-lg);color:var(--text-soft);margin-bottom:var(--spacing-lg)}.loading-progress{width:300px;height:4px;background:#ffffff1a;border-radius:var(--radius-full);overflow:hidden;margin:var(--spacing-lg) auto}.loading-bar{height:100%;width:0;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-blue));border-radius:var(--radius-full);transition:width .3s ease;box-shadow:0 0 10px #74f2ff80}.loading-tip{font-size:var(--font-sm);color:var(--text-muted)}.loading-spinner{width:60px;height:60px;border:3px solid rgba(116,242,255,.2);border-top-color:var(--accent-cyan);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto var(--spacing-lg)}@keyframes spin{to{transform:rotate(360deg)}}.start-content{text-align:center;padding:var(--spacing-2xl);max-width:600px}.game-title{font-family:Orbitron,sans-serif;font-size:clamp(40px,6vw,64px);background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-xs)}.game-subtitle{font-size:var(--font-lg);color:var(--text-soft);margin-bottom:var(--spacing-2xl)}.start-buttons{display:flex;flex-direction:column;gap:var(--spacing-md);margin-bottom:var(--spacing-2xl)}.btn-primary,.btn-secondary{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-lg) var(--spacing-xl);font-size:var(--font-lg);font-family:Noto Sans SC,sans-serif;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);border:none}.btn-primary{background:linear-gradient(135deg,var(--accent-cyan),var(--accent-blue));color:var(--color-bg-dark);font-weight:600}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px #74f2ff66}.btn-secondary{background:#ffffff1a;color:var(--text-main);border:1px solid var(--panel-border)}.btn-secondary:hover{background:#ffffff26}.btn-icon{font-size:1.2em}.game-features{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg);margin-top:var(--spacing-xl)}.feature{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-md);background:#ffffff0d;border-radius:var(--radius-md)}.feature-icon{font-size:32px}.feature-text{font-size:var(--font-sm);color:var(--text-soft)}.difficulty-content{padding:var(--spacing-2xl);max-width:1200px;width:100%}.back-btn{background:transparent;border:none;color:var(--text-soft);font-size:var(--font-md);cursor:pointer;padding:var(--spacing-sm) var(--spacing-md);margin-bottom:var(--spacing-lg);transition:color var(--transition-base)}.back-btn:hover{color:var(--accent-cyan)}.difficulty-title{font-family:Orbitron,sans-serif;font-size:clamp(28px,4vw,36px);color:var(--text-main);margin-bottom:var(--spacing-xs)}.difficulty-subtitle{color:var(--text-soft);margin-bottom:var(--spacing-2xl)}.difficulty-cards{display:grid;grid-template-columns:repeat(3,minmax(280px,1fr));gap:var(--spacing-lg)}.difficulty-card{background:#ffffff0d;border:1px solid var(--panel-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);cursor:pointer;transition:all var(--transition-base);text-align:left}.difficulty-card:hover{transform:translateY(-4px);border-color:var(--accent-cyan);box-shadow:0 10px 40px #74f2ff33}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md)}.card-icon{font-size:32px}.card-badge{padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);font-size:var(--font-xs);font-weight:600;text-transform:uppercase}.card-badge.recommended{background:#4caf5033;color:var(--accent-green)}.card-badge.challenge{background:#ff575733;color:var(--accent-red)}.card-title{font-family:Orbitron,sans-serif;font-size:var(--font-lg);color:var(--text-main);margin-bottom:var(--spacing-xs)}.card-desc{font-size:var(--font-sm);color:var(--text-soft);margin-bottom:var(--spacing-md);line-height:1.6}.card-features{list-style:none;padding:0;margin:0}.card-features li{font-size:var(--font-xs);color:var(--text-muted);padding:var(--spacing-xs) 0}@media(max-width:960px){.difficulty-cards,.game-features{grid-template-columns:1fr}}@media print{body{background:#fff;color:#000}.hud-panel,#crosshair,#pause-screen,#power-up,#game-over,#settings,#difficulty-select,#banner{display:none!important}}