:root{--bg: #f0f4f8;--surface: #ffffff;--sidebar: #0c2d3a;--sidebar-text: #e8eef2;--sidebar-muted: #9eb3c0;--primary: #27b7a8;--primary-hover: #1f9a8d;--primary-soft: #e8f5f3;--text: #1c2a33;--muted: #7a8a93;--border: #e2e8f0;--error: #e53935;--success: #43a047;--warning: #fb8c00;--shadow: 0 4px 24px rgba(12, 45, 58, .08);--radius: 12px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}.app-layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);color:var(--sidebar-text);padding:1.5rem 1rem;display:flex;flex-direction:column;gap:1.25rem;box-shadow:var(--shadow)}.brand{padding:0 .5rem 1rem;border-bottom:1px solid rgba(255,255,255,.1)}.brand-domain{font-size:.75rem;color:var(--sidebar-muted);letter-spacing:.02em;margin:0 0 .25rem}.brand 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h2{margin:0;font-size:1.15rem}.check-row{display:flex;align-items:center;gap:.65rem;margin-bottom:.85rem;font-size:.95rem;cursor:pointer}.hint{color:var(--muted);font-size:.88rem;line-height:1.45}.workflow-list{margin:1rem 0;padding-left:1.25rem;color:var(--muted);font-size:.9rem}.meta-dl{display:grid;grid-template-columns:140px 1fr;gap:.5rem 1rem;font-size:.95rem}.meta-dl dt{color:var(--muted);margin:0}.meta-dl dd{margin:0;font-weight:500}.save-msg{color:var(--success);margin-top:1rem;font-weight:600}.settings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.settings-section h2{margin:0 0 1rem;font-size:1.1rem}.settings-nav{display:flex;flex-direction:column;gap:.35rem}.settings-nav button{text-align:left;padding:.6rem .85rem;border:none;background:transparent;border-radius:8px;cursor:pointer;font:inherit;color:var(--text)}.settings-nav 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