:root{--bg-base: #0a0a14;--bg-surface: #12121e;--bg-elevated: #1a1a2e;--bg-card: #16162a;--bg-input: #0e0e1a;--border: #2a2a44;--border-focus: #5865f2;--text-primary: #e4e4ef;--text-secondary: #8888a8;--text-muted: #5c5c78;--accent: #5865f2;--accent-hover: #6d78f7;--accent-glow: rgba(88, 101, 242, .25);--success: #43b581;--warning: #faa61a;--danger: #f04747;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--shadow-glow: 0 0 30px var(--accent-glow);--font: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--transition: .2s cubic-bezier(.4, 0, .2, 1);--nav-h: 56px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:var(--font);font-size:14px;color:var(--text-primary);background:var(--bg-base);overflow:hidden;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}#app{display:flex;flex-direction:column;height:100vh;height:100dvh}#nav{display:flex;align-items:center;height:var(--nav-h);padding:0 16px;background:var(--bg-surface);border-bottom:1px solid var(--border);gap:16px;z-index:100;flex-shrink:0}.nav-brand{display:flex;align-items:center;gap:10px;color:var(--text-primary);flex-shrink:0}.nav-logo{color:var(--accent)}.nav-title{font-size:16px;font-weight:700;letter-spacing:-.3px}.nav-tabs{display:flex;gap:4px;flex:1;justify-content:center}.nav-tab{padding:8px 18px;border:none;background:transparent;color:var(--text-secondary);font-family:var(--font);font-size:13px;font-weight:500;border-radius:var(--radius);cursor:pointer;transition:all 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var(--border)}.btn-secondary:hover{border-color:var(--accent)}.btn-full{width:100%}.btn-sm{padding:8px 14px;font-size:12px}.divider{height:1px;background:var(--border);margin:4px 0}.info-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;font-size:12px;line-height:1.8}.info-panel .info-row{display:flex;justify-content:space-between}.info-panel .info-label{color:var(--text-secondary)}.info-panel .info-value{color:var(--text-primary);font-family:var(--font-mono);font-size:11px}.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;border:2px dashed var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition);text-align:center;min-height:200px}.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent);background:#5865f20d}.upload-zone.dragover 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b{color:var(--text-primary);font-weight:600}.viewer-info .accent{color:var(--accent)}.viewer-tools{display:flex;gap:4px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.viewer-tools::-webkit-scrollbar{display:none}.tool-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:transparent;color:var(--text-secondary);border-radius:var(--radius);cursor:pointer;transition:all var(--transition)}.tool-btn:hover{color:var(--text-primary);background:var(--bg-elevated)}.tool-btn.active{color:var(--accent);background:#5865f21a}.close-btn:hover{color:var(--danger);background:#f047471a}.tool-btn-labeled{width:auto;gap:5px;padding:0 10px}.tool-label{font-size:11px;font-weight:600;font-family:var(--font-mono);letter-spacing:.3px}.viewer-canvas{flex:1;position:relative;overflow:hidden}.viewer-canvas canvas{display:block}.cutaway-panel{position:fixed;right:20px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;z-index:11}.cutaway-slider{writing-mode:vertical-lr;direction:rtl;width:28px;height:200px;accent-color:var(--accent)}.cutaway-label{color:var(--text-muted);font-size:11px;font-family:var(--font-mono)}.viewer-hint{position:fixed;bottom:12px;left:50%;transform:translate(-50%);color:var(--text-muted);font-size:11px;background:#0009;padding:6px 14px;border-radius:var(--radius);backdrop-filter:blur(8px);pointer-events:none;z-index:11}.loading-overlay{position:fixed;inset:0;z-index:300;display:none;flex-direction:column;align-items:center;justify-content:center;background:#0a0a14d9;backdrop-filter:blur(8px);gap:16px;color:var(--text-secondary)}.loading-overlay:not([hidden]){display:flex}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn:focus-visible,.tool-btn:focus-visible,.nav-tab:focus-visible,.style-chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 4px var(--accent-glow)}*{scrollbar-width:thin;scrollbar-color:var(--border) transparent}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media(max-width:768px){.nav-tabs{gap:2px}.nav-tab{padding:6px 12px;font-size:12px}.nav-title{display:none}.panel-layout{flex-direction:column}.control-panel{width:100%;border-right:none;border-bottom:1px solid var(--border);max-height:50vh;overflow-y:auto;flex-shrink:1}.viewer-panel{flex:1;min-height:0}.gallery-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));padding:12px;gap:12px}.viewer-toolbar{padding:6px 10px}.viewer-tools{gap:2px}.tool-btn{width:32px;height:32px}.cutaway-panel{right:10px}.cutaway-slider{height:140px}.inline-cutaway-slider{width:70px}}@media(max-width:480px){.gallery-grid{grid-template-columns:1fr}}.inline-viewer{position:relative;overflow:hidden}.inline-viewer canvas{width:100%!important;height:100%!important;display:block}.inline-viewer-controls{position:absolute;bottom:12px;right:12px;display:flex;align-items:center;gap:6px;z-index:5}.inline-cutaway-group{display:flex;align-items:center;gap:6px;background:#0a0a1499;backdrop-filter:blur(8px);padding:4px 10px;border-radius:var(--radius)}.inline-cutaway-slider{width:100px;height:4px;accent-color:var(--accent);cursor:pointer}.inline-cutaway-label{font-family:var(--font-mono);font-size:10px;color:var(--text-muted);min-width:28px;text-align:right}.viewer-fallback{padding:1em;color:var(--text-muted);text-align:center;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.section-title{font-size:14px;font-weight:600;color:var(--text-primary);padding-bottom:8px;border-bottom:1px solid var(--border)}.gen-options-header{display:flex;align-items:center;justify-content:space-between}.gen-collapse-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;background:transparent;color:var(--text-secondary);border-radius:var(--radius);cursor:pointer;transition:all var(--transition)}.gen-collapse-btn:hover{color:var(--text-primary);background:var(--bg-elevated)}.gen-collapse-btn svg{transition:transform var(--transition)}.gen-collapse-btn.collapsed svg{transform:rotate(-90deg)}.gen-options-body{display:flex;flex-direction:column;gap:16px}.gen-options-body.collapsed{display:none}.gen-actions{display:flex;flex-direction:column;gap:10px;flex-shrink:0}.customize-section{border:1px solid var(--border);border-radius:8px;padding:0;margin-top:4px}.customize-summary{padding:8px 12px;cursor:pointer;color:var(--text-secondary);font-size:13px;font-family:var(--font);user-select:none;list-style:none}.customize-summary:before{content:"▶";display:inline-block;margin-right:6px;font-size:10px;transition:transform .15s}.customize-section[open] .customize-summary:before{transform:rotate(90deg)}.customize-summary::-webkit-details-marker{display:none}.customize-body{padding:8px 12px 12px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--border)}.import-address-row{display:flex;gap:8px}.import-address-row .form-input{flex:1;min-width:0}.import-status{font-size:11px;margin-top:4px;padding:4px 8px;border-radius:4px;line-height:1.4}.import-status-success{color:var(--success);background:#43b5811a}.import-status-error{color:var(--danger);background:#f047471a}.import-status-loading{color:var(--text-secondary);background:var(--bg-elevated)}.import-floorplan-drop{display:flex;align-items:center;justify-content:center;padding:20px;border:2px dashed var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);text-align:center;min-height:60px}.import-floorplan-drop:hover,.import-floorplan-drop.dragover{border-color:var(--accent);background:#5865f20d}.import-satellite-wrapper{width:100%;height:100%;position:relative;display:flex;align-items:center;justify-content:center;background:var(--bg-base)}.import-satellite-overlay{position:absolute;bottom:12px;left:12px;font-size:11px;font-family:var(--font-mono);color:#fff;background:#0009;backdrop-filter:blur(8px);padding:4px 10px;border-radius:var(--radius)}.import-api-list{display:flex;flex-direction:column;gap:10px}.import-api-row{display:flex;flex-direction:column;gap:3px;padding-bottom:10px;border-bottom:1px solid var(--border)}.import-api-row:last-child{border-bottom:none;padding-bottom:0}.import-api-label{display:flex;align-items:baseline;gap:8px;font-size:12px}.import-api-label strong{color:var(--text);white-space:nowrap}.import-api-desc{font-size:11px;color:var(--text-muted)}.import-api-input-row{display:flex;gap:6px;align-items:center}.import-api-key-input{flex:1;min-width:0;font-size:12px}.import-api-link{font-size:11px;color:var(--accent);white-space:nowrap;text-decoration:none;opacity:.8}.import-api-link:hover{opacity:1;text-decoration:underline}.import-api-status{font-size:11px;color:var(--text-muted)}.import-api-badge{font-size:10px;color:var(--text-muted);background:var(--bg-light);border-radius:8px;padding:1px 6px;margin-left:6px}.import-api-hint{font-size:11px;color:var(--text-muted);line-height:1.5;margin-bottom:4px}.import-color-swatch{display:inline-block;width:12px;height:12px;border-radius:3px;border:1px solid rgba(255,255,255,.25);vertical-align:middle;margin:0 2px}.import-api-grid{display:flex;flex-direction:column;gap:12px}.import-api-entry{display:flex;flex-direction:column;gap:4px}.import-streetview-container{position:relative;width:100%;max-height:300px;overflow:hidden;background:var(--bg-base);border-top:1px solid var(--border)}.import-streetview-img{width:100%;height:auto;max-height:280px;object-fit:cover;display:block;border-radius:0 0 var(--radius) var(--radius)}.import-footprint-overlay{position:absolute;inset:0;pointer-events:none}.import-field-filled{animation:importFieldPulse 1.5s ease-out}@keyframes importFieldPulse{0%{border-color:var(--success);box-shadow:0 0 8px #43b5814d}to{border-color:var(--border);box-shadow:none}}.style-chip{padding:6px 14px;border:1px solid var(--border);border-radius:6px;background:var(--bg-input);color:var(--text-secondary);font-family:var(--font);font-size:12px;font-weight:500;cursor:pointer;transition:all var(--transition)}.style-chip:hover{border-color:var(--chip-color);color:var(--chip-color)}.style-chip.active{border-color:var(--chip-color);color:var(--chip-color);background:color-mix(in srgb,var(--chip-color) 10%,var(--bg-input));box-shadow:0 0 8px color-mix(in srgb,var(--chip-color) 25%,transparent)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes slideInOverlay{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}.viewer-overlay:not([hidden]){animation:slideInOverlay .25s cubic-bezier(.2,0,0,1) both}.gallery-card{animation:fadeInUp .4s cubic-bezier(.2,0,0,1) both}.gallery-preview.loading{background:linear-gradient(90deg,var(--bg-base) 0%,var(--bg-elevated) 40%,var(--bg-base) 80%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite}.info-panel:not([hidden]){animation:fadeInUp .3s cubic-bezier(.2,0,0,1) both}.btn:active:not(:disabled){transform:scale(.97)}.inline-viewer{animation:fadeIn .3s ease both}.loading-overlay:not([hidden]){animation:fadeIn .2s ease both}