:root{--bg: #f4f5f9;--surface: #fff;--primary: #0f766e;--primary-light: #e7f6f4;--text: #1a1a2e;--text-muted: #5a5f7a;--border: #dfe1ea;--purple: #7c3aed;--green: #16a34a;--amber: #d97706;--danger: #dc2626;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .05), 0 4px 14px rgba(0, 0, 0, .04);--layout-max-width: 2000px}*{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}a:hover{text-decoration:underline}.back-link-row{margin:-14px 0 0}.back-link-row a{color:#475569;font-weight:600}.app-shell{max-width:var(--layout-max-width);margin:0 auto;padding:12px 36px 64px}.topbar{display:grid;grid-template-columns:minmax(220px,1fr) minmax(0,2fr) minmax(220px,1fr);align-items:start;gap:16px;margin-bottom:0}.topbar-title{display:inline-flex;align-items:center;gap:12px;min-width:0}.app-logo{width:26px;height:26px;flex:0 0 auto;border-radius:7px;box-shadow:0 5px 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