:root{--bg:#f5f7fb;--panel:#fff;--text:#1f2937;--muted:#6b7280;--primary:#3b82f6;--primary-600:#2563eb;--danger:#ef4444;--border:#e5e7eb;--shadow:0 8px 24px rgba(15,23,42,.08)}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;color:var(--text);background:var(--bg)}.container{padding:24px;display:grid;grid-template-columns:320px 1fr;grid-gap:20px;gap:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}.main,.sidebar{padding:16px}.btn{background:var(--primary);color:#fff;border:none;padding:8px 12px;border-radius:8px;cursor:pointer;font-weight:600}.btn:hover{background:var(--primary-600)}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger)}.input,select,textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;background:#fff}.list-item{border:1px solid var(--border);border-radius:10px;padding:10px;margin-bottom:8px;background:#fff}.list-item.active{border:2px solid var(--primary)}.badge{font-size:12px;color:var(--muted)}.tabs{display:flex;gap:8px;margin-bottom:12px}.tab{padding:6px 10px;border-radius:8px;border:1px solid var(--border);background:#fff;cursor:pointer}.tab.active{border:2px solid var(--primary)}.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.35);display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;padding:16px;border-radius:12px;width:520px;max-width:92%;box-shadow:var(--shadow)}.actions{display:flex;gap:8px;margin-top:6px}.muted{color:var(--muted)}.kv{display:grid;grid-gap:4px;gap:4px}.k{color:var(--muted);font-size:12px}.v{font-weight:600}