*{box-sizing:border-box;margin:0;padding:0}:root{--bg-dark: #0f0f1a;--bg-panel: #1a1a2e;--bg-input: #252542;--bg-card: #1e1e36;--accent: #6366f1;--accent-hover: #818cf8;--accent-glow: rgba(99, 102, 241, .3);--success: #10b981;--text: #f1f5f9;--text-muted: #94a3b8;--border: #334155;--border-light: #475569;--radius: 12px;--radius-sm: 8px}body{font-family:Inter,SF Pro Display,system-ui,-apple-system,sans-serif;background:var(--bg-dark);color:var(--text);min-height:100vh;line-height:1.5}#root{min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh}.header{background:var(--bg-panel);padding:12px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}.header h1{font-size:1.1rem;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:10px}.header h1 span{font-size:1.3rem}.resort-selector{display:flex;flex-direction:column;gap:8px}.resort-selector select{width:100%;padding:10px 14px;font-size:.95rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);cursor:pointer}.resort-selector select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.resort-stats{display:flex;flex-wrap:wrap;gap:8px;font-size:.75rem;color:var(--text-muted)}.resort-stats span{display:flex;align-items:center;gap:4px;background:var(--bg-input);padding:4px 8px;border-radius:6px}.reset-bounds-btn{padding:6px 12px;font-size:.75rem;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--text-muted);cursor:pointer;transition:all .2s}.reset-bounds-btn:hover{border-color:var(--accent);color:var(--accent)}.main-content{flex:1;display:flex;flex-direction:column}.map-container{height:35vh;min-height:200px;position:relative;border-bottom:1px solid var(--border)}.map-container .leaflet-container{height:100%;width:100%;background:var(--bg-dark)}.preview-container{height:35vh;min-height:200px;position:relative;background:var(--bg-dark)}.preview-canvas{width:100%;height:100%}.sidebar{background:var(--bg-panel);padding:20px 16px;overflow-y:auto;border-top:1px solid var(--border)}@media(min-width:768px){.app{display:grid;grid-template-columns:320px 1fr;grid-template-rows:auto 1fr;height:100vh;overflow:hidden}.header{grid-column:1 / -1;padding:12px 24px}.header h1{font-size:1.25rem;margin-bottom:0}.resort-selector{flex-direction:row;align-items:center;gap:16px}.resort-selector select{width:auto;min-width:200px}.sidebar{grid-row:2;grid-column:1;border-top:none;border-right:1px solid var(--border);overflow-y:auto;padding:20px}.main-content{grid-row:2;grid-column:2;display:grid;grid-template-rows:1fr 1fr;overflow:hidden}.map-container,.preview-container{height:auto;min-height:0}}@media(min-width:1200px){.app{grid-template-columns:360px 1fr}.header{padding:14px 32px}.resort-selector select{min-width:240px}}.control-section{margin-bottom:24px}.control-section h3{font-size:.7rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border);font-weight:600}.control-group{margin-bottom:16px}.control-group label{display:block;font-size:.85rem;margin-bottom:6px;color:var(--text);font-weight:500}.control-group small{display:block;font-size:.75rem;color:var(--text-muted);margin-top:2px;margin-bottom:6px}.control-group input[type=number],.control-group input[type=text],.control-group select{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-size:.95rem;transition:all .2s}.control-group input:focus,.control-group select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.control-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.control-group input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);cursor:pointer}.checkbox-label{display:flex;align-items:flex-start;gap:10px;cursor:pointer}.checkbox-label input{margin-top:2px}.unit-toggle{display:flex;background:var(--bg-input);border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border)}.unit-toggle button{flex:1;padding:10px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;font-size:.85rem;font-weight:500;transition:all .2s}.unit-toggle button.active{background:var(--accent);color:#fff}.template-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.template-btn{aspect-ratio:1;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:all .2s;padding:8px}.template-btn:hover{border-color:var(--accent);transform:translateY(-2px)}.template-btn.active{border-color:var(--accent);background:var(--accent-glow);box-shadow:0 0 20px var(--accent-glow)}.template-btn span:first-child{font-size:1.5rem}.template-btn span:last-child{font-size:.65rem;color:var(--text-muted)}.slider-container{display:flex;align-items:center;gap:12px}.slider-container input[type=range]{flex:1;-webkit-appearance:none;height:6px;background:var(--bg-input);border-radius:3px;outline:none}.slider-container input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;background:var(--accent);border-radius:50%;cursor:pointer;box-shadow:0 2px 6px #0000004d;transition:transform .2s}.slider-container input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1)}.slider-container .value{min-width:50px;text-align:right;font-size:.85rem;color:var(--text-muted);font-weight:500}.btn{width:100%;padding:14px 16px;border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px var(--accent-glow)}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px var(--accent-glow)}.btn-primary:disabled{background:var(--border);box-shadow:none;cursor:not-allowed;transform:none}.btn-secondary,.export-btn{width:100%;padding:12px 16px;background:var(--bg-input);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px}.export-btn:hover{border-color:var(--accent);background:var(--bg-card)}.export-btn:disabled{opacity:.5;cursor:not-allowed}.export-btn.secondary{font-size:.85rem;padding:10px 14px}.trail-info{background:var(--success);color:#fff;padding:8px 12px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;margin-bottom:12px}.loading-overlay{position:absolute;inset:0;background:#0f0f1ae6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:1000}.spinner{width:44px;height:44px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.coordinates{position:absolute;top:10px;right:10px;background:#0f0f1ae6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:10px 14px;border-radius:var(--radius-sm);font-size:.7rem;color:var(--text-muted);z-index:500;font-family:SF Mono,Fira Code,monospace;border:1px solid var(--border)}.info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:16px}.info-card h4{font-size:.9rem;margin-bottom:8px;color:var(--accent)}.info-card p{font-size:.8rem;color:var(--text-muted);line-height:1.5}input[type=color]{width:100%;height:40px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);cursor:pointer;padding:4px}input[type=color]::-webkit-color-swatch-wrapper{padding:2px}input[type=color]::-webkit-color-swatch{border-radius:4px;border:none}.leaflet-control-zoom a{background:var(--bg-panel)!important;color:var(--text)!important;border-color:var(--border)!important}.leaflet-control-zoom a:hover{background:var(--bg-input)!important}.leaflet-draw-toolbar a{background-color:var(--bg-panel)!important}.leaflet-bar a{color:var(--text)!important}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}*{-webkit-tap-highlight-color:transparent}button,a,input,select{touch-action:manipulation}