:root{--bg: #f5f7fb;--panel: #ffffff;--text: #15202b;--muted: #6b7689;--accent: #1f6feb;--accent-hover: #1a5fcf;--danger: #d33a3a;--warn: #b27800;--ok: #1c8a4f;--border: #e3e8ef}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:12px;padding:10px 18px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar img{height:32px;width:32px;border-radius:6px}.topbar .brand{font-weight:700}.topbar nav{display:flex;gap:16px;margin-left:24px}.topbar nav a{color:var(--muted);font-weight:500}.topbar nav a.active{color:var(--text)}.topbar .spacer{flex:1}.topbar .user{color:var(--muted);font-size:14px}.container{padding:24px;max-width:1200px;width:100%;margin:0 auto}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:16px}.card h2{margin-top:0}input,select,textarea,button{font:inherit;padding:8px 10px;border-radius:6px;border:1px solid var(--border);background:#fff}button{background:var(--accent);color:#fff;border:none;cursor:pointer;font-weight:500}button:hover{background:var(--accent-hover)}button.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}button.danger{background:var(--danger)}label{display:block;margin:8px 0 4px;color:var(--muted);font-size:13px}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:180px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:13px}tr:hover td{background:#fafbfc}.badge{display:inline-block;padding:2px 8px;font-size:12px;border-radius:999px;background:#eef3fb;color:var(--accent)}.badge.warn{background:#fff4dc;color:var(--warn)}.badge.ok{background:#e3f7ec;color:var(--ok)}.badge.danger{background:#fde0e0;color:var(--danger)}.badge.muted{background:#eef0f3;color:var(--muted)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{width:100%;max-width:360px;padding:28px}.login-card .logo{display:flex;gap:10px;align-items:center;margin-bottom:12px}.login-card img{height:36px}.error{color:var(--danger);font-size:14px}.muted{color:var(--muted);font-size:13px}