:root{--bg-void: #020504;--bg-primary: #050a05;--bg-secondary: #0a150a;--bg-panel: #081208;--bg-input: #0a1a0a;--bg-surface: #0d1f0d;--green-glow: #00ff41;--green-bright: #39ff14;--green-mid: #1aff5c;--green-dim: #0a5a1a;--green-faint: #0a3a0a;--green-dark: #062a06;--amber: #ff9f1c;--amber-dim: #a86800;--red-alert: #ff3333;--red-dim: #8b1a1a;--cyan: #00d4ff;--cyan-dim: #006a80;--blue-night: #0a1628;--text-primary: #00ff41;--text-dim: #0a8a2a;--text-muted: #0a5a1a;--text-amber: #ff9f1c;--font-mono: "Share Tech Mono", "Courier New", monospace;--font-display: "Orbitron", sans-serif;--border-green: 1px solid #0a5a1a;--border-glow: 1px solid #00ff4144;--glow-green: 0 0 10px #00ff4133, 0 0 20px #00ff4111;--glow-text: 0 0 8px #00ff4188, 0 0 2px #00ff41cc;--glow-amber: 0 0 8px #ff9f1c88, 0 0 2px #ff9f1ccc;--glow-red: 0 0 8px #ff333388, 0 0 2px #ff3333cc;--header-height: 56px;--footer-height: 32px;--sidebar-width: 240px;--cipher-height: 280px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:var(--bg-void);color:var(--text-primary);font-family:var(--font-mono);font-size:13px;line-height:1.4;-webkit-font-smoothing:antialiased}::selection{background:var(--green-dim);color:var(--green-glow)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--green-dim);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--green-glow)}#game-container{width:100%;height:100vh;display:flex;flex-direction:column;overflow:hidden}#hud-header{height:var(--header-height);background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);border-bottom:var(--border-green);display:flex;align-items:center;justify-content:space-between;padding:0 20px;flex-shrink:0;position:relative;z-index:10}#hud-header:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,var(--green-glow) 20%,var(--green-glow) 80%,transparent 100%);opacity:.3}.hud-left,.hud-center,.hud-right{display:flex;align-items:center;gap:16px}.hud-left{flex:1}.hud-right{flex:1;justify-content:flex-end}.game-title{font-family:var(--font-display);font-size:16px;font-weight:900;letter-spacing:3px;color:var(--green-glow);text-shadow:var(--glow-text);white-space:nowrap}.classification{font-size:10px;color:var(--red-alert);text-shadow:var(--glow-red);letter-spacing:2px;padding:2px 8px;border:1px solid var(--red-dim);border-radius:2px;animation:pulse-red 2s infinite}@keyframes pulse-red{0%,to{opacity:1}50%{opacity:.5}}.time-display{display:flex;flex-direction:column;align-items:center;gap:2px}.time-label{font-size:9px;color:var(--text-dim);letter-spacing:3px}#time-value{font-family:var(--font-display);font-size:24px;font-weight:700;color:var(--green-glow);text-shadow:var(--glow-text);letter-spacing:4px}.solstice-indicator{display:flex;flex-direction:column;align-items:center;gap:4px}.solstice-label{font-size:8px;color:var(--amber);text-shadow:var(--glow-amber);letter-spacing:2px}.solstice-bar{width:120px;height:4px;background:var(--bg-input);border-radius:2px;position:relative;border:1px solid var(--green-faint)}.solstice-sun{width:10px;height:10px;background:var(--amber);border-radius:50%;position:absolute;top:50%;left:0;transform:translate(-50%,-50%);box-shadow:0 0 8px var(--amber),0 0 16px #ff9f1c66;transition:left .1s linear}.speed-controls{display:flex;gap:4px}.speed-btn{background:var(--bg-input);border:1px solid var(--green-faint);color:var(--text-dim);font-family:var(--font-mono);font-size:12px;padding:4px 10px;cursor:pointer;border-radius:3px;transition:all .2s ease}.speed-btn:hover{border-color:var(--green-glow);color:var(--green-glow);box-shadow:var(--glow-green)}.speed-btn.active{background:var(--green-dim);border-color:var(--green-glow);color:var(--green-glow);text-shadow:var(--glow-text)}.score-display{display:flex;flex-direction:column;align-items:center;gap:2px}.score-label{font-size:9px;color:var(--text-dim);letter-spacing:2px}#score-value{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--amber);text-shadow:var(--glow-amber);letter-spacing:3px}#radar-section{flex:1;display:flex;overflow:hidden;min-height:0}#radar-wrapper{flex:1;position:relative;display:flex;align-items:center;justify-content:center;background:var(--bg-void);min-width:0}#radar-container{position:relative;width:100%;height:100%}#radar-canvas{display:block;width:100%;height:100%}.crt-overlay{pointer-events:none;position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.08) 2px,rgba(0,0,0,.08) 4px);z-index:2}.hemisphere-label{position:absolute;left:50%;transform:translate(-50%);font-size:10px;letter-spacing:4px;color:var(--text-muted);pointer-events:none;z-index:3;opacity:.6}.north-label{top:12px}.south-label{bottom:12px}#intel-sidebar{width:var(--sidebar-width);background:var(--bg-primary);border-left:var(--border-green);display:flex;flex-direction:column;overflow-y:auto;flex-shrink:0}.sidebar-section{padding:12px 14px;border-bottom:var(--border-green)}.sidebar-title{font-size:11px;color:var(--green-glow);text-shadow:var(--glow-text);letter-spacing:2px;margin-bottom:10px;font-weight:400}.hemisphere-indicator{display:flex;align-items:center;gap:8px;margin-bottom:8px}.hem-label{font-size:10px;color:var(--text-dim);letter-spacing:1px;width:48px;flex-shrink:0}.light-bar{flex:1;height:8px;background:var(--bg-input);border-radius:4px;border:1px solid var(--green-faint);overflow:hidden}.light-fill{height:100%;width:50%;background:linear-gradient(90deg,var(--green-dim),var(--green-glow));border-radius:4px;transition:width .3s ease;box-shadow:0 0 6px var(--green-glow)}.light-fill.south-fill{background:linear-gradient(90deg,var(--cyan-dim),var(--cyan));box-shadow:0 0 6px var(--cyan)}.hem-status{font-size:9px;letter-spacing:1px;width:64px;text-align:right;flex-shrink:0}.sub-tracker-list{display:flex;flex-direction:column;gap:4px;max-height:200px;overflow-y:auto}.sub-entry{display:flex;align-items:center;gap:6px;padding:4px 6px;background:var(--bg-input);border-radius:3px;border:1px solid transparent;font-size:10px;transition:all .3s ease}.sub-entry:hover{border-color:var(--green-faint)}.sub-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}.sub-dot.friendly{background:var(--cyan);box-shadow:0 0 4px var(--cyan)}.sub-dot.enemy{background:var(--red-alert);box-shadow:0 0 4px var(--red-alert)}.sub-dot.unknown{background:var(--amber);box-shadow:0 0 4px var(--amber)}.sub-name{flex:1;color:var(--text-dim);letter-spacing:1px}.sub-visibility{font-size:9px;color:var(--text-muted)}.legend-items{display:flex;flex-direction:column;gap:6px}.legend-item{display:flex;align-items:center;gap:8px;font-size:10px;color:var(--text-dim);letter-spacing:1px}.legend-dot{width:8px;height:8px;border-radius:50%}.legend-dot.friendly{background:var(--cyan);box-shadow:0 0 4px var(--cyan)}.legend-dot.enemy{background:var(--red-alert);box-shadow:0 0 4px var(--red-alert)}.legend-dot.unknown{background:var(--amber);box-shadow:0 0 4px var(--amber)}.turing-tribute{margin-top:auto;border-bottom:none}.tribute-text{font-size:11px;color:var(--text-dim);font-style:italic;line-height:1.6;opacity:.7}.tribute-attribution{font-size:10px;color:var(--amber-dim);margin-top:6px;text-align:right}#cipher-panel{height:var(--cipher-height);background:var(--bg-primary);border-top:var(--border-green);display:flex;flex-direction:column;flex-shrink:0;position:relative}#cipher-panel:before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent 0%,var(--green-glow) 20%,var(--green-glow) 80%,transparent 100%);opacity:.4}.cipher-header{display:flex;align-items:center;justify-content:space-between;padding:8px 20px;background:var(--bg-secondary);border-bottom:var(--border-green)}.cipher-title{font-family:var(--font-display);font-size:14px;font-weight:700;color:var(--green-glow);text-shadow:var(--glow-text);letter-spacing:3px}.cipher-icon{color:var(--amber);text-shadow:var(--glow-amber)}.cipher-meta{display:flex;gap:20px}.key-status{font-size:10px;color:var(--text-dim);letter-spacing:1px;display:flex;gap:6px}.status-value{color:var(--amber);text-shadow:var(--glow-amber)}.status-active{color:var(--green-glow);text-shadow:var(--glow-text);animation:pulse-green 1.5s infinite}@keyframes pulse-green{0%,to{opacity:1}50%{opacity:.6}}.cipher-content{flex:1;display:flex;gap:0;overflow:hidden}.cipher-column{padding:10px 16px;display:flex;flex-direction:column;gap:8px}.intercepted-col{flex:1.2;border-right:var(--border-green)}.controls-col{flex:1;border-right:var(--border-green);align-items:center}.log-col{flex:.8;overflow:hidden}.message-block{flex:1;display:flex;flex-direction:column;gap:4px;min-height:0}.message-label{font-size:10px;color:var(--green-glow);text-shadow:var(--glow-text);letter-spacing:2px;flex-shrink:0}.message-text{flex:1;padding:8px 12px;background:var(--bg-input);border:1px solid var(--green-faint);border-radius:4px;font-family:var(--font-mono);font-size:12px;line-height:1.6;overflow-y:auto;word-break:break-all;letter-spacing:2px}.message-text.encrypted{color:var(--red-alert);text-shadow:0 0 4px #ff333344}.message-text.decoded{color:var(--cyan);text-shadow:0 0 4px #00d4ff44}.offset-control{width:100%;display:flex;flex-direction:column;align-items:center;gap:6px}.offset-label{font-size:10px;color:var(--green-glow);text-shadow:var(--glow-text);letter-spacing:3px}.offset-input-group{display:flex;align-items:center;gap:4px}.offset-btn{background:var(--bg-input);border:1px solid var(--green-faint);color:var(--green-glow);font-family:var(--font-mono);font-size:16px;width:32px;height:32px;cursor:pointer;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.offset-btn:hover{background:var(--green-dim);border-color:var(--green-glow);box-shadow:var(--glow-green)}.offset-btn:active{transform:scale(.95)}#offset-input{width:64px;height:32px;text-align:center;background:var(--bg-input);border:1px solid var(--green-dim);color:var(--green-glow);font-family:var(--font-display);font-size:20px;font-weight:700;border-radius:4px;outline:none;text-shadow:var(--glow-text)}#offset-input:focus{border-color:var(--green-glow);box-shadow:var(--glow-green)}#offset-input::-webkit-inner-spin-button,#offset-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}#offset-input{-moz-appearance:textfield}#offset-slider{width:100%;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--bg-input);border-radius:3px;border:1px solid var(--green-faint);outline:none}#offset-slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;background:var(--green-glow);border-radius:50%;cursor:pointer;box-shadow:0 0 8px var(--green-glow),0 0 16px #00ff4144;transition:transform .1s ease}#offset-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}#offset-slider::-moz-range-thumb{width:16px;height:16px;background:var(--green-glow);border-radius:50%;cursor:pointer;border:none;box-shadow:0 0 8px var(--green-glow),0 0 16px #00ff4144}.offset-alphabet{width:100%;display:flex;flex-direction:column;gap:2px;padding:4px 0}.alphabet-row{display:flex;align-items:center;gap:4px;font-size:9px;letter-spacing:1px}.alpha-label{width:28px;color:var(--text-muted);flex-shrink:0}.alpha-chars{color:var(--text-dim);font-size:9px;letter-spacing:2px;white-space:nowrap;overflow:hidden}#alpha-output{color:var(--amber)}.action-btn{width:100%;padding:10px 20px;background:linear-gradient(180deg,var(--green-dim) 0%,var(--green-dark) 100%);border:1px solid var(--green-glow);color:var(--green-glow);font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:3px;cursor:pointer;border-radius:4px;text-shadow:var(--glow-text);box-shadow:var(--glow-green);transition:all .2s ease}.action-btn:hover{background:linear-gradient(180deg,var(--green-glow) 0%,var(--green-dim) 100%);color:var(--bg-void);text-shadow:none;transform:translateY(-1px);box-shadow:0 0 20px #00ff4144,0 0 40px #00ff4122}.action-btn:active{transform:translateY(0)}.hint-btn{width:100%;padding:6px 12px;background:var(--bg-input);border:1px solid var(--amber-dim);color:var(--amber);font-family:var(--font-mono);font-size:11px;letter-spacing:2px;cursor:pointer;border-radius:4px;transition:all .2s ease}.hint-btn:hover{border-color:var(--amber);box-shadow:0 0 10px #ff9f1c33;text-shadow:var(--glow-amber)}.feedback{font-size:11px;letter-spacing:2px;text-align:center;min-height:18px;transition:all .3s ease}.feedback.success{color:var(--green-glow);text-shadow:var(--glow-text);animation:flash-success .5s ease}.feedback.error{color:var(--red-alert);text-shadow:var(--glow-red);animation:shake .4s ease}.feedback.info{color:var(--amber);text-shadow:var(--glow-amber)}@keyframes flash-success{0%{background:#00ff4133}to{background:transparent}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.log-content{flex:1;padding:8px 10px;background:var(--bg-input);border:1px solid var(--green-faint);border-radius:4px;overflow-y:auto;font-size:10px;line-height:1.6}.log-entry{padding:2px 0;border-bottom:1px solid #0a1a0a}.log-entry.system{color:var(--text-dim)}.log-entry.success{color:var(--green-glow)}.log-entry.warning{color:var(--amber)}.log-entry.alert{color:var(--red-alert);text-shadow:var(--glow-red);animation:pulse-red 1s 3}#game-footer{height:var(--footer-height);background:var(--bg-secondary);border-top:var(--border-green);display:flex;align-items:center;justify-content:center;gap:12px;font-size:10px;color:var(--text-muted);letter-spacing:2px;flex-shrink:0}.footer-separator{color:var(--green-faint)}.midnight-flash{position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at center,#ff333322 0%,transparent 70%);z-index:100;pointer-events:none;animation:midnight-pulse 2s ease-out forwards}@keyframes midnight-pulse{0%{opacity:0}15%{opacity:1}to{opacity:0}}.key-rotation-banner{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-void);border:2px solid var(--red-alert);padding:20px 40px;z-index:101;text-align:center;font-family:var(--font-display);box-shadow:0 0 40px #f334,0 0 80px #f332;animation:banner-appear .3s ease,banner-disappear .5s ease 2.5s forwards}.key-rotation-banner h3{color:var(--red-alert);text-shadow:var(--glow-red);font-size:18px;letter-spacing:4px;margin-bottom:8px}.key-rotation-banner p{color:var(--amber);font-family:var(--font-mono);font-size:12px;letter-spacing:2px}@keyframes banner-appear{0%{opacity:0;transform:translate(-50%,-50%) scale(.8)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@keyframes banner-disappear{0%{opacity:1}to{opacity:0;pointer-events:none}}@media(max-width:1200px){:root{--sidebar-width: 200px}.game-title{font-size:13px;letter-spacing:2px}.classification{display:none}}@media(max-width:900px){:root{--sidebar-width: 0px;--cipher-height: 320px}#intel-sidebar{display:none}.cipher-content{flex-direction:column;overflow-y:auto}.cipher-column{border-right:none!important;border-bottom:var(--border-green)}.hud-left{display:none}}@media(max-width:600px){:root{--header-height: 44px}#time-value{font-size:18px}.solstice-indicator{display:none}.speed-controls{gap:2px}.speed-btn{padding:3px 7px;font-size:10px}}.help-btn{background:var(--bg-input);border:1px solid var(--amber-dim);color:var(--amber);font-family:var(--font-display);font-size:14px;font-weight:700;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;flex-shrink:0}.help-btn:hover{border-color:var(--amber);box-shadow:0 0 12px #ff9f1c44,0 0 24px #ff9f1c22;text-shadow:var(--glow-amber);transform:scale(1.1)}.help-btn:active{transform:scale(.95)}.tour-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9998}.tour-spotlight{position:fixed;z-index:9999;border-radius:8px;box-shadow:0 0 0 9999px #020504e0,0 0 30px 4px #00ff411f;transition:all .45s cubic-bezier(.4,0,.2,1);pointer-events:none}.tour-tooltip{position:fixed;z-index:10000;width:400px;max-width:calc(100vw - 32px);background:linear-gradient(170deg,#0d1f0d,#060e06 40%,#050a05);border:1px solid var(--green-glow);border-radius:12px;padding:24px;box-shadow:0 0 40px #00ff411f,0 0 80px #00ff410d,inset 0 1px #00ff4126,0 20px 60px #0009;font-family:var(--font-mono);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.tour-enter{animation:tour-slide-in .35s cubic-bezier(.22,1,.36,1)}@keyframes tour-slide-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.tour-step-counter{font-size:10px;color:var(--text-muted);letter-spacing:3px;margin-bottom:6px}.tour-icon{font-size:32px;margin-bottom:6px;line-height:1}.tour-title{font-family:var(--font-display);font-size:17px;font-weight:700;color:var(--green-glow);text-shadow:var(--glow-text);letter-spacing:3px;margin-bottom:14px;line-height:1.3}.tour-body{font-size:12.5px;color:#2aaa4a;line-height:1.85;margin-bottom:18px}.tour-body strong{color:var(--green-glow);font-weight:400}.tour-body em{color:var(--amber);font-style:italic}.tour-progress{width:100%;height:3px;background:var(--bg-input);border-radius:2px;margin-bottom:16px;overflow:hidden}.tour-progress-fill{height:100%;background:linear-gradient(90deg,var(--green-dim),var(--green-glow),var(--green-bright));border-radius:2px;transition:width .4s ease;box-shadow:0 0 8px var(--green-glow)}.tour-actions{display:flex;gap:8px}.tour-btn{flex:1;padding:9px 14px;background:var(--bg-input);border:1px solid var(--green-faint);color:var(--text-dim);font-family:var(--font-mono);font-size:11px;letter-spacing:2px;cursor:pointer;border-radius:6px;transition:all .2s ease;text-align:center}.tour-btn:hover{color:var(--green-glow);border-color:var(--green-glow);background:var(--green-dark);box-shadow:0 0 12px #00ff4122;text-shadow:var(--glow-text)}.tour-btn:active{transform:scale(.97)}.tour-btn-next{background:linear-gradient(180deg,var(--green-dim) 0%,var(--green-dark) 100%);border-color:var(--green-glow);color:var(--green-glow);font-weight:700;text-shadow:var(--glow-text)}.tour-btn-next:hover{background:linear-gradient(180deg,var(--green-glow) 0%,var(--green-dim) 100%);color:var(--bg-void);text-shadow:none;box-shadow:0 0 20px #00ff4133}.tour-btn-skip{color:var(--amber-dim);border-color:#320}.tour-btn-skip:hover{color:var(--amber);border-color:var(--amber-dim);background:#1a1000;box-shadow:0 0 12px #ff9f1c11;text-shadow:var(--glow-amber)}.tour-tooltip:after{content:"ARROW KEYS · ENTER · ESC";display:block;text-align:center;font-size:9px;color:var(--text-muted);letter-spacing:2px;margin-top:12px;opacity:.5}@media(max-width:600px){.tour-tooltip{width:calc(100vw - 32px);padding:16px}.tour-title{font-size:14px}.tour-body{font-size:11px}}