:root{--bg: #f5f6fa;--surface: #ffffff;--border: #e6e8ef;--primary: #2f6bff;--text: #1a1d29;--muted: #8a90a2;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.layout{min-height:100vh;display:flex;flex-direction:column}.topbar{height:56px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.brand{font-weight:600;font-size:18px}.topbar-right{color:var(--muted);font-size:14px}.body{flex:1;display:flex}.sidebar{width:200px;background:var(--surface);border-right:1px solid var(--border);padding:16px 8px;display:flex;flex-direction:column;gap:4px}.nav-item{text-align:left;background:transparent;border:none;padding:10px 16px;border-radius:8px;font-size:14px;color:var(--text);cursor:pointer}.nav-item:hover{background:var(--bg)}.nav-item.active{background:var(--primary);color:#fff}.content{flex:1;padding:32px}.content h1{margin:0 0 8px;font-size:24px}.placeholder{color:var(--muted);margin-bottom:24px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}.card-title{color:var(--muted);font-size:13px}.card-value{font-size:28px;font-weight:600;margin-top:8px}.content h2{font-size:16px;margin:0 0 12px}.banner{background:#eef3ff;border:1px solid #c9d8ff;color:var(--primary);border-radius:8px;padding:10px 14px;margin-bottom:16px;font-size:14px}.muted{color:var(--muted)}.field-help{margin:4px 0 0;font-size:12px;line-height:1.5}.empty-hint{margin:6px 0 0;padding:4px 8px;font-size:12px;line-height:1.5;background:#fff8e6;border:1px solid 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2px;color:var(--muted)}.ms-chip-x:hover{color:#d9342b}.ms-options{max-height:220px;overflow-y:auto;border:1px solid var(--border);border-radius:8px;padding:4px}.ms-option{display:flex;align-items:center;gap:8px;padding:4px 8px;cursor:pointer;border-radius:6px}.ms-option:hover{background:var(--bg)}.spacer{flex:1}.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}.split{display:grid;grid-template-columns:1fr 1fr .6fr;gap:16px;align-items:start}.btn{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:8px 14px;font-size:14px;color:var(--text);cursor:pointer}.btn:hover{background:var(--bg)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.xs{padding:4px 8px;font-size:12px;margin-right:4px}.btn.danger{color:#d9342b;border-color:#f0bcb8}.btn.primary.danger{color:#fff}.link{background:none;border:none;color:var(--primary);cursor:pointer;font-size:14px;padding:0}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:24px}.auth-card{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px 24px;display:flex;flex-direction:column;gap:14px}.auth-title{font-size:20px;margin:0}.auth-field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.auth-field input{border:1px solid var(--border);border-radius:8px;padding:9px 11px;font-size:14px;color:var(--text);background:var(--surface);font-family:inherit}.op-identity{display:inline-flex;align-items:center;gap:8px;margin-right:12px;color:var(--text);font-size:14px}.role-badge{background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:2px 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