*,*:before,*:after{box-sizing:border-box}:root{--green: #008060;--green-hover: #006b52;--green-light: #dffcf0;--text: #202223;--text-secondary: #6d7175;--border: #e1e3e5;--border-light: #f1f2f3;--surface: #f6f6f7;--white: #ffffff;--warning: #ffc453;--warning-light: #fff5ea;--error: #d72c0d;--error-light: #fff4f4;--purple-light: #f4f0ff;--radius: 8px;--radius-sm: 4px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1)}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;color:var(--text);background:var(--surface);line-height:1.5}.key-gate{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.key-gate-card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:40px;max-width:440px;width:100%;box-shadow:var(--shadow-md);text-align:center}.key-gate-card .logo{font-size:36px;color:var(--green);margin-bottom:16px}.key-gate-card h1{font-size:22px;font-weight:700;margin:0 0 8px}.key-gate-card>p{color:var(--text-secondary);margin:0 0 28px;line-height:1.6}.key-form{display:flex;flex-direction:column;gap:10px;text-align:left}.key-form label{font-weight:500;font-size:13px}.key-form input{border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;font-family:inherit;outline:none;transition:border-color .15s}.key-form input:focus{border-color:var(--green)}.key-error{color:var(--error);font-size:13px}.key-note{font-size:12px;color:var(--text-secondary);text-align:center;margin:4px 0 0}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--white);border-bottom:1px solid var(--border);padding:0 24px;position:sticky;top:0;z-index:10;box-shadow:var(--shadow-sm)}.header-content{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px}.header-left{display:flex;align-items:center;gap:12px}.logo-mark{font-size:24px;color:var(--green);line-height:1}.header-left h1{font-size:16px;font-weight:700;margin:0}.header-left p{font-size:12px;color:var(--text-secondary);margin:0}.change-key{background:none;border:none;font-size:13px;color:var(--text-secondary);cursor:pointer;padding:6px 10px;border-radius:var(--radius-sm)}.change-key:hover{color:var(--text);background:var(--surface)}.app-main{max-width:960px;width:100%;margin:0 auto;padding:32px 24px;display:flex;flex-direction:column;gap:24px}.input-panel{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:28px}.input-panel h2{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--text-secondary);margin:0 0 12px}.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.persona-btn{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:14px 12px;cursor:pointer;text-align:left;transition:border-color .15s,background .15s;display:flex;flex-direction:column;gap:4px}.persona-btn:hover,.persona-btn.active{border-color:var(--green);background:var(--green-light)}.persona-label{font-weight:600;font-size:14px;display:block;color:var(--text)}.persona-desc{font-size:12px;color:var(--text-secondary);display:block}.persona-note{font-size:12px;color:var(--green);margin:8px 0 0}.scenario-input{width:100%;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:12px;font-size:14px;font-family:inherit;resize:vertical;outline:none;transition:border-color .15s;line-height:1.6;color:var(--text)}.scenario-input:focus{border-color:var(--green)}.scenario-input:disabled{opacity:.6}.examples{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:10px}.examples-label{font-size:12px;color:var(--text-secondary);font-weight:500}.example-chip{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:4px 10px;font-size:12px;cursor:pointer;color:var(--text-secondary);font-family:inherit;transition:border-color .15s,color .15s;text-align:left}.example-chip:hover{border-color:var(--green);color:var(--green)}.submit-btn{margin-top:14px;width:100%}.btn-primary{background:var(--green);color:#fff;border:none;border-radius:var(--radius-sm);padding:10px 20px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s;display:flex;align-items:center;justify-content:center;gap:8px}.btn-primary:hover:not(:disabled){background:var(--green-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{background:var(--error-light);border:1px solid #ffd2cc;border-radius:var(--radius);padding:14px 16px;color:var(--error);font-size:13px}.results-panel{display:flex;flex-direction:column;gap:0}.recommendation{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}.rec-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:24px 24px 0}.persona-tag{display:inline-block;background:var(--green-light);color:var(--green);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;padding:2px 8px;border-radius:20px;margin-bottom:8px}.rec-summary{font-size:15px;line-height:1.6;color:var(--text);margin:0;max-width:680px}.copy-btn{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 14px;font-size:13px;font-weight:500;font-family:inherit;cursor:pointer;color:var(--text-secondary);white-space:nowrap;flex-shrink:0;transition:background .15s}.copy-btn:hover{background:var(--border-light)}.section{padding:20px 24px;border-top:1px solid var(--border)}.section-title{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--text-secondary);margin:0 0 14px;display:flex;align-items:center;gap:6px}.section-icon{font-size:13px}.warnings-section{background:var(--warning-light);border-top:2px solid var(--warning)}.warnings-list{display:flex;flex-direction:column;gap:12px}.warning-item{background:#fff;border:1px solid #ffc453;border-radius:var(--radius-sm);padding:12px 14px;display:flex;flex-direction:column;gap:4px}.warning-trigger{font-size:11px;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.4px}.warning-text{font-size:13px;color:var(--text)}.warning-suggestion{font-size:13px;color:var(--green);font-weight:500}.components-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}.component-card{border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;background:var(--surface);display:flex;flex-direction:column;gap:8px}.component-header{display:flex;align-items:center;justify-content:space-between}.component-name{font-weight:600;font-size:14px;color:var(--text)}.doc-link{font-size:12px;color:var(--green);text-decoration:none;font-weight:500}.doc-link:hover{text-decoration:underline}.component-rationale{font-size:13px;color:var(--text-secondary);margin:0;line-height:1.5}.variants{display:flex;flex-wrap:wrap;gap:4px}.variant-chip{background:var(--green-light);color:var(--green);font-size:11px;font-weight:500;padding:2px 8px;border-radius:20px;font-family:JetBrains Mono,monospace}.component-snippet{margin:4px 0 0;padding:12px 14px;background:#1b1f2e;border-radius:var(--radius-sm);overflow-x:auto;font-family:JetBrains Mono,Fira Code,Consolas,monospace;font-size:12px;line-height:1.65;color:#c9d1e0;white-space:pre}.components-grid--snippets{grid-template-columns:1fr}.component-preview{background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:12px;margin-bottom:4px;min-height:80px;overflow:hidden}.layout-description{font-size:13px;color:var(--text-secondary);margin:0 0 14px;line-height:1.5}.wireframe-container{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;display:flex}.guidance-list{display:flex;flex-direction:column;gap:12px}.guidance-item{display:flex;flex-direction:column;gap:4px}.guidance-component{font-weight:600;font-size:13px;color:var(--text)}.guidance-do{font-size:13px;color:#1a7340;padding-left:4px}.guidance-avoid{font-size:13px;color:var(--error);padding-left:4px}.refine-section{background:var(--white);border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius) var(--radius);padding:20px 24px;border-top:1px solid var(--border-light)}.refine-section h3{font-size:13px;font-weight:600;color:var(--text-secondary);margin:0 0 12px;text-transform:uppercase;letter-spacing:.5px}.refine-row{display:flex;gap:10px}.refine-input{flex:1;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;font-size:14px;font-family:inherit;outline:none;transition:border-color .15s}.refine-input:focus{border-color:var(--green)}.refine-input:disabled{opacity:.6}@media (max-width: 600px){.persona-grid,.components-grid{grid-template-columns:1fr}.refine-row{flex-direction:column}}