*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #060d18;--bg-secondary: #0a1628;--bg-card: rgba(12, 25, 48, .85);--bg-glass: rgba(15, 30, 55, .7);--border-glow: rgba(0, 255, 136, .2);--border-subtle: rgba(255, 255, 255, .06);--text-primary: #e8f0f8;--text-secondary: #8aa0b8;--text-muted: #5a7088;--accent: #00ff88;--accent-dim: rgba(0, 255, 136, .15);--danger: #ff4444;--warning: #ffcc44;--success: #00ff88;--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-glow: 0 0 30px rgba(0, 255, 136, .08);--shadow-card: 0 8px 32px rgba(0, 0, 0, .4);--transition: .25s cubic-bezier(.4, 0, .2, 1)}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.header-brand{display:flex;align-items:center;gap:12px}.header-icon{font-size:28px;filter:drop-shadow(0 0 8px rgba(0,255,136,.4))}.app-header h1{font-family:var(--font-display);font-size:1.4rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,var(--accent) 0%,#44ffaa 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-badge{display:flex;align-items:center;gap:8px;padding:6px 14px;background:var(--accent-dim);border:1px solid var(--border-glow);border-radius:20px;font-size:.8rem;font-weight:500;color:var(--accent)}.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse-dot 1.5s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}.app-main{flex:1;padding:24px 32px;position:relative}.game-area{display:flex;gap:24px;max-width:1400px;margin:0 auto}.map-section{flex:1;position:relative}.hud-section{width:280px;flex-shrink:0}.notification{position:absolute;top:16px;left:50%;transform:translate(-50%);padding:10px 20px;border-radius:var(--radius-md);font-size:.85rem;font-weight:500;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:20;animation:notification-in .3s ease-out,notification-out .3s ease-in 1.7s;pointer-events:none}.notification-success{background:#00ff8826;border:1px solid var(--border-glow);color:var(--accent)}.notification-error{background:#ff444426;border:1px solid rgba(255,68,68,.3);color:var(--danger)}@keyframes notification-in{0%{opacity:0;transform:translate(-50%) translateY(-10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes notification-out{0%{opacity:1}to{opacity:0}}.instructions-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:200;background:#060d18eb;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);animation:fade-in .5s ease-out}.instructions-card{text-align:center;max-width:520px;padding:48px 40px;background:var(--bg-card);border:1px solid var(--border-glow);border-radius:var(--radius-xl);box-shadow:var(--shadow-card),var(--shadow-glow);animation:slide-up .6s ease-out}.instructions-icon{font-size:64px;margin-bottom:16px;filter:drop-shadow(0 0 20px rgba(0,255,136,.3))}.instructions-card h1{font-family:var(--font-display);font-size:2.2rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,var(--accent) 0%,#88ffcc 50%,#44aaff 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:4px}.instructions-subtitle{color:var(--text-secondary);font-size:1.1rem;font-weight:300;letter-spacing:.05em;margin-bottom:32px}.instructions-body{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.instruction-step{display:flex;align-items:center;gap:16px;text-align:left;padding:12px 16px;background:#00ff880a;border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.step-num{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--accent-dim);border:1px solid var(--border-glow);border-radius:50%;font-family:var(--font-display);font-weight:700;font-size:.9rem;color:var(--accent);flex-shrink:0}.instruction-step p{color:var(--text-secondary);font-size:.9rem}.instruction-step strong{color:var(--text-primary)}.instructions-tips{margin-bottom:32px}.instructions-tips p{font-size:.8rem;color:var(--text-muted);margin-bottom:6px}.start-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;background:linear-gradient(135deg,var(--accent),#44ddaa);color:#060d18;border:none;border-radius:var(--radius-md);font-family:var(--font-display);font-size:1rem;font-weight:700;cursor:pointer;transition:var(--transition);letter-spacing:.01em}.start-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px #00ff884d}.start-btn:active{transform:translateY(0)}.btn-arrow{font-size:1.2rem;transition:transform var(--transition)}.start-btn:hover .btn-arrow{transform:translate(4px)}.hud{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:20px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:16px;position:sticky;top:80px}.hud-row{display:flex;gap:16px}.hud-stat{flex:1;display:flex;align-items:flex-start;gap:10px}.hud-icon{font-size:1.3rem;line-height:1;margin-top:2px}.hud-label{display:block;font-size:.7rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:2px}.hud-value{display:block;font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:var(--text-primary)}.hud-value small{font-size:.65rem;font-weight:400;color:var(--text-muted)}.hud-value.emission{color:#f84}.hud-value.offset{color:var(--accent)}.hud-divider{height:1px;background:var(--border-subtle)}.hud-net{padding:14px;background:#0003;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.hud-net-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}.hud-net-value{font-family:var(--font-display);font-size:1.8rem;font-weight:800;display:block;margin-bottom:8px;transition:color var(--transition)}.hud-net-value small{font-size:.7rem;font-weight:400;opacity:.6}.hud-progress-bar{height:6px;background:#ffffff0f;border-radius:3px;overflow:hidden}.hud-progress-fill{height:100%;border-radius:3px;transition:width .3s ease}.hud-speed{display:flex;align-items:center;justify-content:space-between}.speed-buttons{display:flex;gap:6px}.speed-btn{padding:6px 12px;background:#ffffff0a;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:var(--font-display);font-size:.75rem;font-weight:600;cursor:pointer;transition:var(--transition)}.speed-btn:hover{background:#00ff8814;border-color:var(--border-glow);color:var(--text-primary)}.speed-btn.active{background:var(--accent-dim);border-color:var(--border-glow);color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:300;background:#060d18e0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);animation:fade-in .4s ease-out}.modal-card{text-align:center;max-width:480px;padding:40px;border-radius:var(--radius-xl);box-shadow:var(--shadow-card);animation:slide-up .5s ease-out}.modal-win{background:var(--bg-card);border:1px solid var(--border-glow)}.modal-lose{background:var(--bg-card);border:1px solid rgba(255,68,68,.3)}.modal-icon{font-size:56px;margin-bottom:12px}.modal-card h2{font-family:var(--font-display);font-size:1.8rem;font-weight:800;margin-bottom:8px}.modal-win h2{color:var(--accent)}.modal-lose h2{color:var(--danger)}.modal-subtitle{color:var(--text-secondary);font-size:.95rem;margin-bottom:24px}.modal-stats{display:flex;gap:16px;margin-bottom:24px}.modal-stat{flex:1;padding:12px;background:#0003;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.modal-stat-label{display:block;font-size:.65rem;font-weight:500;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:4px}.modal-stat-value{display:block;font-family:var(--font-display);font-size:1.4rem;font-weight:700;color:var(--text-primary)}.modal-fact{font-size:.82rem;color:var(--text-muted);padding:12px 16px;background:var(--accent-dim);border-radius:var(--radius-md);border:1px solid var(--border-glow);margin-bottom:24px;text-align:left}.game-footer{margin-top:auto;background:var(--bg-secondary);border-top:1px solid var(--border-subtle);padding-top:40px}.footer-content{max-width:1200px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}.footer-section h4{font-family:var(--font-display);font-size:.85rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;letter-spacing:.01em}.footer-section p{font-size:.8rem;color:var(--text-muted);line-height:1.6}.footer-section ul{list-style:none}.footer-section li{font-size:.8rem;color:var(--text-muted);margin-bottom:6px}.footer-section a{color:var(--accent);text-decoration:none;transition:color var(--transition)}.footer-section a:hover{color:#8fc;text-decoration:underline}.footer-links{margin-top:8px}.footer-sep{margin:0 8px;color:var(--text-muted)}.footer-bottom{text-align:center;padding:20px 32px;margin-top:32px;border-top:1px solid var(--border-subtle)}.footer-bottom p{font-size:.72rem;color:var(--text-muted)}.emissions-chart{margin-top:16px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:16px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow-card)}.chart-title{font-family:var(--font-display);font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:12px;letter-spacing:.01em}.chart-placeholder{font-size:.75rem;color:var(--text-muted);text-align:center;padding:30px 0}.biome-legend{margin-top:12px;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.legend-title{font-family:var(--font-display);font-size:.75rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.legend-items{display:flex;flex-wrap:wrap;gap:6px 12px}.legend-item{display:flex;align-items:center;gap:6px}.legend-swatch{width:12px;height:12px;border-radius:3px;border:1px solid rgba(255,255,255,.1);flex-shrink:0}.legend-label{font-size:.65rem;color:var(--text-muted);white-space:nowrap}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:900px){.game-area{flex-direction:column}.hud-section{width:100%}.app-header{padding:12px 16px}.app-main{padding:16px}.instructions-card{padding:32px 24px;margin:16px}.instructions-card h1{font-size:1.6rem}.footer-content{grid-template-columns:1fr 1fr}}@media(max-width:600px){.footer-content{grid-template-columns:1fr}.hud-row{flex-direction:column;gap:12px}.modal-stats{flex-direction:column}}