:root{color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,sans-serif;--bg: #f4f6f5;--surface: #ffffff;--border: #d7deda;--text: #16211c;--muted: #6b7a72;--accent: #1f7a5c;--error: #b23b2e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:32px;width:320px;display:flex;flex-direction:column;gap:14px}.login-card h1{font-size:20px;margin:0 0 8px}label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}input,select,textarea,button{font:inherit}input,select,textarea{padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text)}button{padding:8px 14px;border:none;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:default}.link-button{background:none;color:var(--accent);padding:2px 6px;text-decoration:underline}.error{color:var(--error);font-size:13px}.notice{color:var(--accent);font-size:13px}.muted{color:var(--muted);font-size:12px}.app-shell{max-width:1100px;margin:0 auto;padding:16px}.app-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--border)}.app-title{font-weight:600}.app-user{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}.tab-bar{display:flex;gap:8px;margin:16px 0}.tab-bar button{background:var(--surface);color:var(--text);border:1px solid var(--border)}.tab-bar button.active{background:var(--accent);color:#fff;border-color:var(--accent)}.tab-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:20px}@media(max-width:720px){.tab-grid{grid-template-columns:1fr}}.panel{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px}.inline-form{display:flex;gap:8px;margin-bottom:12px}.inline-form input{flex:1}.result-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}.result-list li{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--border)}.stacked-form{display:flex;flex-direction:column;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.checkbox-label{flex-direction:row;align-items:center;gap:6px}.usage-table{width:100%;font-size:13px;margin:10px 0}.usage-table td{padding:4px 0}.test-output{white-space:pre-wrap;background:#101815;color:#dceae2;padding:12px;border-radius:8px;font-size:12px;max-height:300px;overflow:auto}