:root{--bg: #f5f6f8;--card: #ffffff;--ink: #1a1f36;--muted: #6b7280;--accent: #e2001a;--border: #e5e7eb}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink)}button{background:var(--accent);color:#fff;border:none;padding:.55rem 1rem;border-radius:8px;font-size:.95rem;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.secondary{background:#e5e7eb;color:var(--ink)}.centered{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.card{background:var(--card);padding:2rem;border-radius:14px;box-shadow:0 6px 24px #00000012;width:320px;display:flex;flex-direction:column;gap:.9rem}.card h1{margin:0 0 .5rem;font-size:1.4rem}label{display:flex;flex-direction:column;gap:.3rem;font-size:.85rem;color:var(--muted)}input,textarea{padding:.55rem .7rem;border:1px solid var(--border);border-radius:8px;font-size:.95rem;font-family:inherit}textarea{min-height:70px;resize:vertical}.error{color:var(--accent);font-size:.85rem;margin:0}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--card);border-right:1px solid var(--border);padding:1.2rem;display:flex;flex-direction:column;gap:.4rem}.brand{font-weight:700;font-size:1.15rem;margin-bottom:1rem}.sidebar nav{display:flex;flex-direction:column;gap:.25rem;flex:1}.sidebar nav button{background:transparent;color:var(--ink);text-align:left;padding:.5rem .7rem}.sidebar nav button.active{background:#fdeaec;color:var(--accent);font-weight:600}.logout{background:transparent;color:var(--muted);text-align:left;padding:.5rem .7rem}.content{flex:1;padding:2rem}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.2rem}.toolbar h2{margin:0}table{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden;box-shadow:0 2px 10px #0000000a}th,td{text-align:left;padding:.75rem 1rem;border-bottom:1px solid var(--border);font-size:.92rem}th{background:#fafafa;color:var(--muted);font-weight:600}td.empty{color:var(--muted);text-align:center;padding:2rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center}.modal{width:380px}.modal-actions{display:flex;justify-content:flex-end;gap:.6rem;margin-top:.4rem}select{padding:.55rem .7rem;border:1px solid var(--border);border-radius:8px;font-size:.95rem;font-family:inherit;background:#fff}.hint{font-size:.82rem;color:var(--muted);margin:0}code{background:#f1f2f4;padding:.1rem .35rem;border-radius:5px;font-size:.85em}a{color:var(--accent)}