:root{color:#17211f;background:#f6f7f4;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea{font:inherit}button{border:0}.loading-screen,.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,rgba(31,93,87,.08),transparent 42%),#f6f7f4}.login-panel{width:min(420px,100%);display:grid;gap:18px;padding:28px;border:1px solid #d8ded6;border-radius:8px;background:#fff;box-shadow:0 18px 50px #161f1d1a}.brand-mark{width:42px;height:42px;display:grid;place-items:center;color:#fff;background:#1f5d57;border-radius:8px}.login-panel h1,.topbar h1{margin:0;letter-spacing:0}.login-panel label,.editor-pane label{display:grid;gap:7px;color:#4b5754;font-size:13px;font-weight:650}input,textarea{width:100%;border:1px solid #cfd7d1;border-radius:6px;color:#17211f;background:#fff;outline:none}input{height:42px;padding:0 12px}textarea{min-height:240px;padding:12px;line-height:1.6;resize:vertical}input:focus,textarea:focus{border-color:#1f7a70;box-shadow:0 0 0 3px #1f7a7024}.primary-button,.secondary-button,.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;border-radius:6px;cursor:pointer;white-space:nowrap}.primary-button{padding:0 16px;color:#fff;background:#1f5d57}.primary-button:hover:not(:disabled){background:#164c47}.secondary-button{padding:0 14px;color:#1d4f4a;background:#e7efec}.secondary-button:hover:not(:disabled){background:#d9e8e3}.primary-button:disabled,.secondary-button:disabled{cursor:not-allowed;opacity:.55}.icon-button{width:40px;color:#394743;background:#e8ece6}.icon-button:hover{background:#d9dfd7}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-line{color:#b42318;font-size:13px}.app-shell{min-height:100vh;padding:22px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;max-width:1560px;margin:0 auto 18px}.eyebrow{margin:0 0 2px;color:#66726f;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0}.top-actions,.action-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.quota-pill{height:40px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;color:#554414;background:#fff2c4;border:1px solid #efd786;border-radius:6px;font-size:14px;font-weight:700}.workspace{max-width:1560px;margin:0 auto;display:grid;grid-template-columns:minmax(420px,.95fr) minmax(460px,1.05fr);gap:18px;align-items:start}.editor-pane,.result-pane{border:1px solid #d9dfd7;border-radius:8px;background:#fff}.editor-pane{display:grid;gap:16px;padding:16px}.result-pane{min-height:720px;padding:16px}.result-toolbar{position:sticky;top:12px;z-index:2;display:flex;justify-content:flex-end;gap:8px;margin:-4px 0 14px;padding-bottom:10px;background:linear-gradient(180deg,#fff 76%,#fff0)}.compact-button{height:34px;padding:0 10px;font-size:13px}.input-grid,.textarea-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.fact-textarea{min-height:92px}.error-box{display:flex;align-items:center;gap:8px;color:#9f2d1d;background:#fff0ed;border:1px solid #ffc8bc;border-radius:6px;padding:10px 12px}.streaming-banner{display:inline-flex;align-items:center;gap:8px;min-height:34px;padding:0 10px;color:#1d4f4a;background:#e7efec;border:1px solid #cde0da;border-radius:6px;font-size:13px;font-weight:700}.empty-state{min-height:620px;display:grid;place-items:center;color:#66726f;text-align:center}.score-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.score-item{min-height:78px;padding:12px;border:1px solid #d9dfd7;border-radius:8px;background:#f8faf7}.score-item span{display:block;color:#65716e;font-size:13px}.score-item strong{display:block;margin-top:6px;color:#1f5d57;font-size:28px;line-height:1}.section-block{margin-top:18px}.section-block h2{margin:0 0 10px;color:#23302d;font-size:16px;letter-spacing:0}.compact-list{margin:0;padding-left:20px;color:#303c39}.compact-list li+li{margin-top:7px}.article-preview,.curl-preview{max-height:500px;overflow:auto;margin:0;padding:14px;border:1px solid #d9dfd7;border-radius:8px;background:#f8faf7;color:#22302c;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,ui-monospace,monospace;font-size:13px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.curl-preview{max-height:260px;color:#194d46}.live-preview{border-color:#b8d8cf;background:#f5fbf9}.faq-list{display:grid;gap:10px}.faq-item{border:1px solid #d9dfd7;border-radius:8px;padding:12px;background:#fff}.faq-item strong{display:block;margin-bottom:5px}.faq-item p,.showcase-card p{margin:0;color:#44514e}.showcase-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.showcase-card{padding:12px;border:1px solid #d9dfd7;border-radius:8px;background:#fbfcfb}.showcase-card h3{margin:0 0 8px;font-size:15px;letter-spacing:0}.showcase-card .scenario{margin-bottom:8px;color:#1f5d57;font-weight:700}.showcase-card small{display:block;margin-top:10px;color:#887124}.warning-list{color:#6f3f00}.model-line{margin-top:18px;color:#68736f;font-size:12px}@media(max-width:1120px){.workspace{grid-template-columns:1fr}}@media(max-width:720px){.app-shell{padding:14px}.topbar,.top-actions{align-items:flex-start;flex-direction:column}.input-grid,.textarea-grid,.score-row,.showcase-grid{grid-template-columns:1fr}.action-row{align-items:stretch;flex-direction:column}.primary-button,.secondary-button{width:100%}.result-toolbar{position:static;justify-content:stretch}.compact-button{flex:1}}