:root{--bg:#f5f6f8;--surface:#fff;--text:#111827;--text-secondary:#374151;--muted:#6b7280;--primary:#0b4f3f;--primary-light:#e6f0ed;--primary-border:#c8ddd6;--accent:#1d6fb3;--accent-light:#e8f1fa;--border:#e5e7eb;--border-strong:#d1d5db;--danger:#dc2626;--success:#16a34a;--warning:#f59e0b;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 24px #0000001f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg,#e8f1ee 0%,var(--bg)50%,#eef1f5 100%);color:var(--text);min-height:100vh;font-family:Pretendard,SUIT,Noto Sans KR,-apple-system,sans-serif;line-height:1.6}.container{max-width:1040px;margin:0 auto;padding:0 20px 60px}.hero{text-align:center;padding:48px 0 32px}.hero-logo{color:var(--primary);letter-spacing:-.5px;font-size:28px;font-weight:800}.hero-logo span{color:var(--accent)}.hero-sub{color:var(--muted);margin-top:6px;font-size:15px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:16px;padding:24px;transition:box-shadow .2s}.card:hover{box-shadow:var(--shadow-md)}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card-title{color:var(--text);font-size:18px;font-weight:700}.prompt-presets{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.preset-btn{background:var(--primary-light);width:auto;color:var(--primary);border:1px solid var(--primary-border);border-radius:var(--radius-sm);cursor:pointer;padding:8px 16px;font-size:13px;font-weight:600;transition:all .15s}.preset-btn:hover{background:var(--primary);color:#fff}.preset-btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:16px}.form-label{color:var(--muted);text-transform:uppercase;letter-spacing:.3px;margin-bottom:6px;font-size:13px;font-weight:600;display:block}input,textarea,select{border-radius:var(--radius-sm);border:1px solid var(--border-strong);width:100%;color:var(--text);background:var(--surface);padding:10px 14px;font-family:inherit;font-size:14px;transition:border-color .15s,box-shadow .15s}input:focus,textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #0b4f3f1a}textarea{resize:vertical;min-height:80px}button{cursor:pointer;border:none;font-family:inherit;font-weight:600;transition:all .15s}.btn-primary{border-radius:var(--radius-sm);background:var(--primary);color:#fff;width:100%;padding:12px 20px;font-size:15px}.btn-primary:hover:not(:disabled){box-shadow:var(--shadow-md);background:#083d30}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{border-radius:var(--radius-sm);background:var(--surface);width:100%;color:var(--text);border:1px solid var(--border-strong);padding:10px 16px;font-size:14px}.btn-secondary:hover:not(:disabled){background:var(--bg)}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.btn-sm{width:auto;padding:4px 12px;font-size:12px}.btn-accent{border-radius:var(--radius-sm);background:var(--accent);color:#fff;align-items:center;gap:4px;width:auto;padding:6px 12px;font-size:12px;font-weight:600;text-decoration:none;display:inline-flex}.btn-accent:hover{background:#155a94}.row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.row-3{grid-template-columns:1fr 1fr 1fr;gap:12px;display:grid}.budget-group{flex-direction:column;gap:8px;display:flex}.budget-input-row{align-items:center;gap:8px;display:flex}.budget-input{color:var(--primary);text-align:center;border:2px solid var(--border);background:var(--bg);-moz-appearance:textfield;border-radius:8px;outline:none;flex:1;padding:8px 12px;font-size:24px;font-weight:800;transition:border-color .2s}.budget-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.budget-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.budget-input:focus{border-color:var(--primary)}.budget-unit{color:var(--muted);white-space:nowrap;font-size:18px;font-weight:600}input[type=range]{-webkit-appearance:none;background:var(--border);border:none;border-radius:3px;outline:none;width:100%;height:6px;padding:0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);cursor:pointer;width:20px;height:20px;box-shadow:var(--shadow-sm);border-radius:50%}.loading-overlay{flex-direction:column;justify-content:center;align-items:center;padding:40px 20px;display:flex}.loading-spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;margin-bottom:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-steps{gap:8px;margin-top:12px;display:flex}.loading-step{background:var(--bg);color:var(--muted);border-radius:20px;padding:6px 14px;font-size:12px;font-weight:600;transition:all .3s}.loading-step.active{background:var(--primary);color:#fff;box-shadow:0 0 12px #0b4f3f4d}.loading-step.done{background:var(--primary-light);color:var(--primary)}.result-user-input{color:var(--text);margin-bottom:10px;font-size:16px;font-weight:600;line-height:1.5}.result-meta{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:4px;display:flex}.meta-badge{border-radius:20px;align-items:center;gap:4px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.meta-badge.use-case{background:var(--primary-light);color:var(--primary)}.meta-badge.resolver{background:var(--accent-light);color:var(--accent)}.recommendation-card{border-left:4px solid var(--primary);margin-bottom:16px}.recommendation-card .card-title{color:var(--text);margin-bottom:12px;font-size:17px;font-weight:700}.llm-summary{color:var(--text-secondary);background:var(--primary-light);border-radius:var(--radius-sm);border:1px solid var(--primary-border);margin-bottom:14px;padding:14px 16px;font-size:14px;line-height:1.7}.summary-loading{background:var(--primary-light);border-radius:var(--radius-sm);align-items:center;gap:10px;margin-bottom:14px;padding:12px 16px;display:flex}.loading-spinner-sm{border:2px solid var(--primary-border);border-top-color:var(--primary);border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}.streaming-cursor{background:var(--primary);vertical-align:text-bottom;width:2px;height:1em;margin-left:2px;animation:.7s step-end infinite blink;display:inline-block}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.reason-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.reason-item{color:var(--text-secondary);background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border);padding:8px 12px;font-size:13px;line-height:1.6}.comparison{grid-template-columns:1fr 1fr;gap:16px;display:grid}.track-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.track-card.minimum{border-top:3px solid var(--primary)}.track-card.comfortable{border-top:3px solid var(--accent)}.track-header{padding:20px 20px 12px}.track-label{text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:13px;font-weight:700}.track-card.minimum .track-label{color:var(--primary)}.track-card.comfortable .track-label{color:var(--accent)}.track-price{color:var(--text);font-size:28px;font-weight:800}.track-price span{color:var(--muted);font-size:16px;font-weight:500}.parts-list{padding:0 20px 20px}.part-item{border-bottom:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:8px;padding:12px 0;display:flex}.part-item:last-child{border-bottom:none}.part-info{flex:1;min-width:0}.part-category{text-transform:uppercase;letter-spacing:.3px;color:var(--muted);margin-bottom:2px;font-size:11px;font-weight:700}.part-name{color:var(--text);word-break:break-word;font-size:14px;font-weight:600}.part-tier{text-transform:uppercase;border-radius:4px;margin-top:4px;padding:2px 6px;font-size:10px;font-weight:700;display:inline-block}.tier-budget{color:#6b7280;background:#f3f4f6}.tier-mid{color:#1d4ed8;background:#dbeafe}.tier-high{color:#d97706;background:#fef3c7}.tier-enthusiast{color:#be185d;background:#fce7f3}.part-right{text-align:right;flex-shrink:0}.part-price{color:var(--text);white-space:nowrap;font-size:14px;font-weight:700}.part-source{color:var(--muted);margin-top:2px;font-size:11px}.part-links{flex-direction:column;gap:5px;margin-top:6px;display:flex}.part-link{color:#fff;white-space:nowrap;letter-spacing:.2px;border-radius:6px;justify-content:center;align-items:center;gap:4px;padding:5px 10px;font-size:11px;font-weight:700;text-decoration:none;transition:all .15s;display:inline-flex}.part-link.naver{background:#03c75a;box-shadow:0 1px 3px #03c75a4d}.part-link.naver:hover{background:#02b350;transform:translateY(-1px);box-shadow:0 2px 6px #03c75a66}.part-link.coupang{background:linear-gradient(135deg,#7b3514 0%,sienna 60%,#c87137 100%);box-shadow:0 1px 3px #7b351440}.part-link.coupang:hover{background:linear-gradient(135deg,#6b2d10 0%,#8b4726 60%,#b86530 100%);transform:translateY(-1px);box-shadow:0 2px 8px #7b351466}.auth-toggle{width:auto;color:var(--muted);border:1px solid var(--border);border-radius:var(--radius-sm);background:0 0;padding:6px 12px;font-size:13px}.auth-toggle:hover{color:var(--text);border-color:var(--border-strong)}.auth-section{transition:max-height .3s;overflow:hidden}.auth-section.collapsed{max-height:0;padding:0}.message-toast{border-radius:var(--radius-sm);background:var(--primary-light);color:var(--primary);border:1px solid var(--primary-border);margin-bottom:16px;padding:12px 16px;font-size:14px;font-weight:500}.message-toast.error{color:var(--danger);background:#fef2f2;border-color:#fecaca}.muted{color:var(--muted);font-size:13px}.action-bar{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.action-bar button,.action-bar .btn-accent{flex:1;min-width:140px}.coupang-disclosure{color:#6b5a4e;text-align:center;background:#f9f5f0;border-radius:6px;margin-top:12px;padding:8px 12px;font-size:12px;line-height:1.5}.my-estimates-list{flex-direction:column;gap:8px;display:flex}.my-estimate-item{background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:10px 14px;display:flex}.my-estimate-info{align-items:center;gap:10px;display:flex}.my-estimate-usecase{color:var(--text);font-size:13px;font-weight:600}.my-estimate-date{color:var(--muted);font-size:11px}.my-estimate-prices{color:var(--text-secondary);align-items:center;gap:12px;font-size:12px;display:flex}.my-estimate-price{color:var(--primary);font-weight:600}.my-estimate-price.comfortable{color:var(--accent)}.nudge-card{background:linear-gradient(135deg,#fff7ed 0%,#fef3c7 100%);border:1px solid #f59e0b;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.nudge-content{align-items:center;gap:12px;display:flex}.nudge-icon{font-size:28px}.nudge-title{color:var(--text);margin-bottom:2px;font-size:15px;font-weight:700}.nudge-desc{color:var(--text-secondary);font-size:13px}.feedback-section{margin-top:8px}.feedback-list{flex-direction:column;gap:8px;max-height:320px;margin-bottom:16px;display:flex;overflow-y:auto}.feedback-item{background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border);padding:10px 14px}.feedback-header{align-items:center;gap:8px;margin-bottom:4px;display:flex}.feedback-nickname{color:var(--text);font-size:13px;font-weight:700}.feedback-stars{color:#f59e0b;letter-spacing:1px;font-size:13px}.feedback-date{color:var(--muted);margin-left:auto;font-size:11px}.feedback-comment{color:var(--text-secondary);font-size:13px;line-height:1.5}.feedback-form{flex-direction:column;gap:8px;display:flex}.feedback-form-row{align-items:center;gap:8px;display:flex}.feedback-input{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);flex:1;padding:8px 12px;font-size:13px}.feedback-input.nickname{max-width:140px}.feedback-input.comment{flex:1}.rating-picker{gap:2px;display:flex}.star-btn{cursor:pointer;color:var(--border-strong);background:0 0;border:none;padding:0 2px;font-size:20px;transition:color .15s}.star-btn.active{color:#f59e0b}.star-btn:hover{color:#d97706}.feedback-submit{white-space:nowrap;padding:8px 20px}.footer{text-align:center;color:var(--muted);padding:32px 0 16px;font-size:12px}.footer a{color:var(--primary);text-decoration:none}.footer-links{margin-top:6px}.footer-link{color:var(--muted);cursor:pointer;background:0 0;border:none;padding:0;font-size:12px;text-decoration:underline}.footer-link:hover{color:var(--primary)}.footer-sep{color:var(--border);margin:0 6px}.legal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.legal-modal{background:var(--card);border-radius:var(--radius);flex-direction:column;width:100%;max-width:600px;max-height:80vh;display:flex;box-shadow:0 20px 60px #0000004d}.legal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.legal-header h2{margin:0;font-size:18px;font-weight:700}.legal-close{cursor:pointer;color:var(--muted);background:0 0;border:none;padding:0 4px;font-size:24px;line-height:1}.legal-close:hover{color:var(--text)}.legal-body{color:var(--text);padding:24px;font-size:13px;line-height:1.7;overflow-y:auto}.legal-body h3{margin:16px 0 6px;font-size:14px;font-weight:700}.legal-body h3:first-child{margin-top:0}.legal-body p{color:var(--muted);margin:0 0 12px}.pdf-hiding{display:none!important}@media (max-width:860px){.hero{padding:32px 0 24px}.hero-logo{font-size:22px}.comparison,.row,.row-3{grid-template-columns:1fr}.track-price{font-size:22px}.action-bar{flex-direction:column}}