.app{min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;padding:3rem 2rem 2rem;background:linear-gradient(180deg,rgba(99,102,241,.1) 0%,transparent 100%)}.header-logo{max-width:200px;height:auto;margin-bottom:1rem}.header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,#818cf8,#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.header p{color:#a1a1aa;font-size:1.1rem}.main{flex:1;padding:0 1rem 2rem}.container{max-width:1200px;margin:0 auto}.section{margin-bottom:2rem}.section h2{font-size:1.25rem;font-weight:600;color:#e4e4e7;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.selected-count{font-size:.875rem;color:#818cf8;font-weight:500}.url-section{background:#1e1e2d99;border-radius:16px;padding:1.5rem;border:1px solid rgba(255,255,255,.05)}.url-input-group{display:flex;gap:1rem}.url-input{flex:1;padding:1rem 1.25rem;background:#0f0f19cc;border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#e4e4e7;font-size:1rem;transition:all .2s ease}.url-input:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px #818cf833}.url-input::placeholder{color:#52525b}.preview-btn{padding:1rem 2rem;background:linear-gradient(135deg,#4f46e5,#7c3aed);border:none;border-radius:12px;color:#fff;font-weight:600;cursor:pointer;transition:all .2s ease}.preview-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 20px #4f46e566}.preview-btn:disabled{opacity:.5;cursor:not-allowed}.preview-section{background:#1e1e2d99;border-radius:16px;padding:1.5rem;border:1px solid rgba(255,255,255,.05)}.image-preview{border-radius:12px;overflow:hidden;background:#0f0f19cc}.image-preview img{width:100%;max-height:400px;object-fit:contain;display:block}.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.category-card{background:#1e1e2d99;border-radius:16px;padding:1.5rem;border:1px solid rgba(255,255,255,.05);transition:all .2s ease}.category-card:hover{border-color:#818cf84d;transform:translateY(-2px)}.category-title{font-size:1rem;font-weight:600;color:#e4e4e7;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}.category-icon{font-size:1.25rem}.options-list{display:flex;flex-direction:column;gap:.75rem}.checkbox-label{display:flex;align-items:center;gap:.75rem;cursor:pointer;padding:.5rem;border-radius:8px;transition:background .2s ease}.checkbox-label:hover{background:#ffffff0d}.checkbox-input{display:none}.checkbox-custom{width:20px;height:20px;border:2px solid rgba(255,255,255,.2);border-radius:6px;position:relative;transition:all .2s ease;flex-shrink:0}.checkbox-input:checked+.checkbox-custom{background:linear-gradient(135deg,#818cf8,#c084fc);border-color:transparent}.checkbox-input:checked+.checkbox-custom:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:12px;font-weight:700}.checkbox-text{color:#a1a1aa;font-size:.9375rem;transition:color .2s ease}.checkbox-input:checked~.checkbox-text{color:#e4e4e7}.prompt-section{background:#1e1e2d99;border-radius:16px;padding:1.5rem;border:1px solid rgba(255,255,255,.05)}.prompt-preview{background:#0f0f19cc;border-radius:12px;padding:1.25rem;border:1px solid rgba(129,140,248,.2)}.prompt-preview p{color:#c4b5fd;font-family:Monaco,Menlo,monospace;font-size:.875rem;line-height:1.7;word-break:break-word}.generate-section{text-align:center}.generate-btn{padding:1.25rem 3rem;background:linear-gradient(135deg,#10b981,#059669);border:none;border-radius:14px;color:#fff;font-size:1.125rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:.75rem;min-width:320px;justify-content:center}.generate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 30px #10b98166}.generate-btn:disabled{opacity:.6;cursor:not-allowed}.spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-section{background:#1e1e2d99;border-radius:16px;padding:3rem;border:1px solid rgba(255,255,255,.05)}.loading-container{text-align:center}.loading-spinner-large{width:60px;height:60px;border:4px solid rgba(129,140,248,.2);border-top-color:#818cf8;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1.5rem}.loading-text{font-size:1.25rem;font-weight:600;color:#e4e4e7;margin-bottom:.5rem}.loading-subtext{color:#71717a;font-size:.9375rem;margin-bottom:1.5rem}.progress-bar{width:100%;max-width:300px;height:6px;background:#ffffff1a;border-radius:3px;margin:0 auto;overflow:hidden}.progress-bar-fill{height:100%;width:100%;background:linear-gradient(90deg,#818cf8,#c084fc,#818cf8);background-size:200% 100%;animation:shimmer 2s linear infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:12px;padding:1rem 1.25rem;color:#fca5a5;display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem}.error-icon{font-size:1.25rem}.comparison-section{background:#1e1e2d99;border-radius:16px;padding:1.5rem;border:1px solid rgba(16,185,129,.3)}.comparison-container{display:grid;grid-template-columns:1fr auto 1fr;gap:1.5rem;align-items:center}.comparison-image{text-align:center}.comparison-image h3{font-size:1rem;font-weight:600;color:#a1a1aa;margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.05em}.image-wrapper{border-radius:12px;overflow:hidden;background:#0f0f19cc;border:1px solid rgba(255,255,255,.1)}.image-wrapper img{width:100%;height:300px;object-fit:contain;display:block}.comparison-arrow{font-size:2rem;color:#818cf8;font-weight:700}.download-section{text-align:center;margin-top:1.5rem}.download-btn{display:inline-block;padding:.875rem 2rem;background:linear-gradient(135deg,#818cf8,#c084fc);border-radius:10px;color:#fff;font-weight:600;text-decoration:none;transition:all .2s ease}.download-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #818cf866}.toggle-section{background:#1e1e2d99;border-radius:16px;padding:1.5rem;border:1px solid rgba(255,255,255,.05)}.toggle-container{display:flex;flex-direction:column;gap:.5rem}.toggle-label{display:flex;align-items:center;justify-content:space-between;cursor:pointer}.toggle-text{font-size:1.125rem;font-weight:600;color:#e4e4e7}.toggle-switch{position:relative;width:56px;height:28px;background:#3f3f46;border-radius:14px;transition:all .3s ease}.toggle-switch.active{background:linear-gradient(135deg,#10b981,#059669)}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:2px;left:2px;width:24px;height:24px;background:#fff;border-radius:50%;transition:all .3s ease;box-shadow:0 2px 4px #0003}.toggle-switch.active .toggle-slider{left:30px}.toggle-description{color:#71717a;font-size:.875rem;margin:0}.concept-card-section{background:linear-gradient(135deg,#6366f11a,#8b5cf61a);border-radius:16px;padding:1.5rem;border:2px solid rgba(139,92,246,.3)}.concept-card-inputs h2{color:#c4b5fd;margin-bottom:1.5rem}.input-group{margin-bottom:1.25rem}.input-group:last-child{margin-bottom:0}.input-label{display:block;font-size:.9375rem;font-weight:500;color:#a1a1aa;margin-bottom:.5rem}.text-input{width:100%;padding:1rem 1.25rem;background:#0f0f19cc;border:1px solid rgba(255,255,255,.1);border-radius:12px;color:#e4e4e7;font-size:1rem;transition:all .2s ease}.text-input:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px #818cf833}.text-input::placeholder{color:#52525b}.floor-plan-preview{margin-top:1rem;margin-bottom:1rem;border-radius:12px;overflow:hidden;background:#0f0f19cc;border:1px solid rgba(255,255,255,.1)}.floor-plan-preview img{width:100%;max-height:300px;object-fit:contain;display:block}.validation-errors{margin-bottom:1.5rem}.validation-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:.75rem 1rem;color:#fca5a5;display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;font-size:.9375rem}.validation-error:last-child{margin-bottom:0}.generate-btn.concept-card-btn{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}.generate-btn.concept-card-btn:hover:not(:disabled){box-shadow:0 12px 30px #8b5cf666}.concept-card-result-section{background:linear-gradient(135deg,#8b5cf61a,#6366f11a);border-radius:16px;padding:1.5rem;border:2px solid rgba(139,92,246,.3)}.concept-card-result-section h2{color:#c4b5fd;text-align:center;margin-bottom:1.5rem}.concept-card-result{border-radius:12px;overflow:hidden;background:#0f0f19cc;border:1px solid rgba(255,255,255,.1)}.concept-card-result img{width:100%;display:block}.download-section{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}.download-btn{display:inline-flex;align-items:center;justify-content:center;padding:.875rem 2rem;border-radius:10px;font-weight:600;text-decoration:none;transition:all .2s ease;cursor:pointer;border:none;font-size:1rem}.download-btn.primary{background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff}.download-btn.primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #8b5cf666}.download-btn.secondary{background:#ffffff1a;color:#e4e4e7;border:1px solid rgba(255,255,255,.2)}.download-btn.secondary:hover{background:#ffffff26;transform:translateY(-2px)}.footer{text-align:center;padding:2rem;color:#52525b;font-size:.875rem}@media(max-width:768px){.header h1{font-size:1.875rem}.url-input-group{flex-direction:column}.categories-grid{grid-template-columns:1fr}.comparison-container{grid-template-columns:1fr;gap:1rem}.comparison-arrow{transform:rotate(90deg)}.generate-btn{width:100%;min-width:unset}.toggle-label{flex-direction:column;align-items:flex-start;gap:1rem}.download-section{flex-direction:column}.download-btn{width:100%}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:linear-gradient(135deg,#0f0f1a,#1a1a2e,#16213e);min-height:100vh;color:#e4e4e7;line-height:1.6}#root{min-height:100vh}