@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--font-sans:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", monospace;--bg-darker:#05060b;--bg-dark:#0b0c14;--bg-card:#141626b3;--border-color:#ffffff14;--border-color-hover:#ffffff26;--primary:#10b981;--primary-hover:#059669;--primary-glow:#10b98133;--secondary:#6366f1;--secondary-glow:#6366f133;--text-main:#f3f4f6;--text-muted:#9ca3af;--text-dim:#6b7280;--sidebar-width:380px}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;margin:0;padding:0}body{background-color:var(--bg-darker);color:var(--text-main);font-family:var(--font-sans);height:100vh;overflow:hidden}#app{width:100vw;height:100vh;display:flex;overflow:hidden}body.auth-pending #app{visibility:hidden}.auth-screen{z-index:10000;background:radial-gradient(circle at 30% 20%,#10b98129,#0000 34%),linear-gradient(135deg,#05060b 0%,#101322 56%,#07120d 100%);place-items:center;padding:24px;display:grid;position:fixed;inset:0}.auth-screen[hidden]{display:none}.auth-panel{border:1px solid var(--border-color);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#0f111ceb;border-radius:12px;width:min(100%,360px);padding:24px;box-shadow:0 24px 60px #0000008c}.auth-brand{align-items:center;gap:12px;margin-bottom:24px;display:flex}.auth-title{color:var(--text-main);font-size:20px;font-weight:700}.auth-subtitle{color:var(--text-muted);margin-top:2px;font-size:13px;line-height:1.4}.auth-label{color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase;margin-bottom:8px;font-size:12px;font-weight:700;display:block}.auth-input{border:1px solid var(--border-color);width:100%;height:44px;color:var(--text-main);font-family:var(--font-sans);background:#ffffff0f;border-radius:8px;padding:0 12px;font-size:16px}.auth-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);outline:none}.auth-input:disabled{color:var(--text-dim);cursor:not-allowed}.auth-button{background:var(--primary);color:#fff;cursor:pointer;width:100%;height:44px;font-family:var(--font-sans);border:0;border-radius:8px;margin-top:14px;font-size:14px;font-weight:700}.auth-button:hover:not(:disabled){background:var(--primary-hover)}.auth-button:disabled{opacity:.65;cursor:not-allowed}.auth-error{color:#fca5a5;min-height:18px;margin-top:12px;font-size:13px;line-height:1.4}.sidebar{width:var(--sidebar-width);background-color:var(--bg-dark);border-right:1px solid var(--border-color);z-index:10;flex-direction:column;height:100%;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.sidebar-header{border-bottom:1px solid var(--border-color);padding:24px}.logo-container{align-items:center;gap:12px;margin-bottom:16px;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary), var(--secondary));color:#fff;width:32px;height:32px;box-shadow:0 0 15px var(--primary-glow);border-radius:8px;justify-content:center;align-items:center;font-size:18px;font-weight:700;display:flex}.logo-text{letter-spacing:-.5px;background:linear-gradient(to right, #fff, var(--primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:20px;font-weight:700}.search-filter-container{flex-direction:column;gap:10px;display:flex}.search-input{border:1px solid var(--border-color);width:100%;color:var(--text-main);font-family:var(--font-sans);background:#ffffff0d;border-radius:8px;padding:12px 16px;font-size:14px;transition:all .2s}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);background:#ffffff14;outline:none}.filters{gap:8px;display:flex}.filter-select{border:1px solid var(--border-color);color:var(--text-muted);font-family:var(--font-sans);cursor:pointer;background:#ffffff0d;border-radius:6px;outline:none;flex:1;padding:8px 12px;font-size:12px}.filter-select:focus{border-color:var(--primary);color:var(--text-main)}.course-list{flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow-y:auto}.course-list::-webkit-scrollbar{width:6px}.course-list::-webkit-scrollbar-track{background:0 0}.course-list::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}.course-list::-webkit-scrollbar-thumb:hover{background:#fff3}.course-card{background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:12px;padding:16px;transition:all .2s cubic-bezier(.4,0,.2,1)}.course-card:hover{border-color:var(--border-color-hover);transform:translateY(-2px);box-shadow:0 4px 15px #0000004d}.course-card.active{border-color:var(--primary);box-shadow:0 0 15px var(--primary-glow);background:#10b9810d}.course-card-name{color:var(--text-main);margin-bottom:4px;font-size:15px;font-weight:600}.course-card-city{color:var(--text-muted);align-items:center;gap:4px;margin-bottom:8px;font-size:12px;display:flex}.course-card-city svg{fill:currentColor;width:12px;height:12px}.course-tags{flex-wrap:wrap;gap:6px;display:flex}.tag{text-transform:uppercase;letter-spacing:.5px;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:500}.tag-source{color:#a5b4fc;background:#6366f126;border:1px solid #6366f14d}.tag-membership{color:#a7f3d0;background:#10b98126;border:1px solid #10b9814d}.map-container{flex-direction:column;flex:1;display:flex;position:relative}#map-viewport{width:100%;height:100%;position:absolute;top:0;left:0}.map-controls{z-index:100;flex-direction:column;gap:12px;display:flex;position:absolute;top:24px;right:24px}.control-group{border:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#0f111cd9;border-radius:12px;padding:6px;display:flex;box-shadow:0 10px 25px -5px #00000080}.btn-toggle{color:var(--text-muted);font-family:var(--font-sans);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;transition:all .2s;display:flex}.btn-toggle.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px var(--primary-glow)}.btn-toggle:hover:not(.active){color:var(--text-main);background:#ffffff0d}.band-select-container{display:flex}.detail-overlay{border:1px solid var(--border-color);z-index:100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);opacity:0;pointer-events:none;background:#0f111ce6;border-radius:16px;width:420px;padding:24px;transition:all .3s cubic-bezier(.4,0,.2,1);position:absolute;bottom:24px;left:24px;transform:translateY(20px);box-shadow:0 20px 40px -10px #0009}.detail-overlay.visible{opacity:1;pointer-events:auto;transform:translateY(0)}.detail-header{justify-content:space-between;align-items:flex-start;margin-bottom:12px;display:flex}.detail-name{letter-spacing:-.5px;font-size:20px;font-weight:700;line-height:1.2}.btn-close-detail{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px;transition:all .2s}.btn-close-detail:hover{color:var(--text-main);background:#ffffff0d}.detail-meta-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;font-size:13px;display:grid}.detail-meta-item{flex-direction:column;gap:2px;display:flex}.detail-meta-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.detail-meta-val{color:var(--text-main)}.detail-meta-val a{color:var(--primary);text-decoration:none}.detail-meta-val a:hover{text-decoration:underline}.detail-stats{border-top:1px solid var(--border-color);margin-top:16px;padding-top:16px}.chart-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;justify-content:space-between;margin-bottom:12px;font-size:12px;font-weight:600;display:flex}.chart-container{align-items:flex-end;gap:6px;width:100%;height:80px;padding-top:10px;display:flex;position:relative}.chart-bar{background:linear-gradient(to top, var(--primary-glow), var(--primary));border-radius:4px 4px 0 0;flex:1;transition:all .3s;position:relative}.chart-bar:hover{background:linear-gradient(to top, var(--secondary-glow), var(--secondary))}.chart-bar:after{content:attr(data-val);font-size:9px;font-family:var(--font-mono);color:var(--text-muted);opacity:0;transition:opacity .2s;position:absolute;top:-18px;left:50%;transform:translate(-50%)}.chart-bar:hover:after{opacity:1}.chart-labels{color:var(--text-dim);font-size:10px;font-family:var(--font-mono);justify-content:space-between;margin-top:6px;display:flex}.custom-colorbar{border:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;pointer-events:none;opacity:0;background:#0f111cd9;border-radius:12px;flex-direction:column;gap:6px;padding:12px 16px;transition:opacity .3s;display:flex;position:absolute;bottom:24px;right:24px;box-shadow:0 10px 25px -5px #00000080}.custom-colorbar.visible{opacity:1;pointer-events:auto}.cbar-canvas-container{flex-direction:column;align-items:center;gap:4px;display:flex}.cbar-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.cbar-canvas{border:1px solid #ffffff26;border-radius:3px;width:220px;height:12px}.cbar-ticks{width:220px;color:var(--text-muted);font-size:10px;font-family:var(--font-mono);justify-content:space-between;display:flex}.map-loader{border:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:200;opacity:0;pointer-events:none;background:#0f111cd9;border-radius:12px;align-items:center;gap:12px;padding:16px 24px;transition:opacity .2s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 10px 30px #00000080}.map-loader.visible{opacity:1}.spinner{border:2px solid #ffffff1a;border-top-color:var(--primary);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.map-loader-text{color:var(--text-main);font-size:13px;font-weight:500}.mode-select-container{margin-bottom:8px;display:flex}.docs-viewport{background:radial-gradient(circle at top left, var(--bg-dark), var(--bg-darker));width:100%;height:100%;color:var(--text-main);z-index:90;box-sizing:border-box;padding:60px 40px;position:absolute;top:0;left:0;overflow-y:auto}.docs-header{border-bottom:1px solid var(--border-color);margin-bottom:40px;padding-bottom:24px}.docs-title{background:linear-gradient(to right, #fff, var(--primary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:8px;font-size:28px;font-weight:700}.docs-subtitle{color:var(--text-muted);font-size:14px}.docs-grid{grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px;margin-bottom:40px;display:grid}.docs-card{border:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#1416268c;border-radius:16px;flex-direction:column;justify-content:space-between;padding:24px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.docs-card:hover{border-color:var(--border-color-hover);transform:translateY(-2px);box-shadow:0 8px 30px #0006}.docs-card-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.docs-card-title{color:#fff;font-size:18px;font-weight:600}.docs-source-badge{text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;border-radius:6px;padding:3px 8px;font-size:10px;font-weight:600}.docs-source-sat{color:#a5b4fc;background:#6366f126;border:1px solid #6366f14d}.docs-source-aerial{color:#a7f3d0;background:#10b98126;border:1px solid #10b9814d}.docs-source-osm{color:#fde68a;background:#f59e0b26;border:1px solid #f59e0b4d}.docs-formula-box{font-family:var(--font-mono);text-align:center;color:var(--primary);background:#05060b99;border:1px solid #ffffff0d;border-radius:8px;justify-content:center;align-items:center;margin:12px 0;padding:12px;font-size:12px;font-weight:500;display:flex}.docs-card-text{color:var(--text-muted);font-size:13px;line-height:1.6}