:root{--bg:#f5f7fb;--card:#fff;--text:#16202a;--muted:#6d7782;--line:#e4e8ee;--accent:#2d6cdf;--accent2:#173f91;--danger:#c83b47;--success:#168653;--shadow:0 12px 30px rgba(20,35,55,.07)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:#101725;color:#fff;padding:24px 18px;position:fixed;inset:0 auto 0 0}.brand{font-size:20px;font-weight:800;padding:4px 10px 28px}.brand span{font-weight:500;color:#8fb2ff}.sidebar nav{display:grid;gap:7px}.sidebar nav a{color:#c7d0dd;padding:11px 12px;border-radius:10px;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:#1c2a40;color:#fff;text-decoration:none}.sidebar-foot{position:absolute;bottom:20px;left:28px;right:20px;color:#778497;font-size:12px;line-height:1.5}.main{margin-left:240px;flex:1;padding:28px;max-width:1500px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.topbar h1{margin:0;font-size:26px}.topbar-link{font-size:14px}.flash{padding:12px 15px;border-radius:10px;margin-bottom:18px;background:#eaf8f0;color:#0f6841}.flash.error{background:#fdecee;color:#9b1f2c}.grid{display:grid;gap:18px}.grid.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}.metric-label{color:var(--muted);font-size:13px}.metric{font-size:30px;font-weight:800;margin-top:8px}.section-head{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:14px}.section-head h2{font-size:17px;margin:0}.btn{display:inline-block;border:0;border-radius:10px;padding:10px 14px;font-weight:650;font-size:13px;background:var(--accent);color:#fff;cursor:pointer}.btn:hover{background:var(--accent2);text-decoration:none}.btn.secondary{background:#edf2f8;color:#334155}.btn.danger{background:#fcecee;color:#9e2631}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}label{font-size:13px;font-weight:650}input,select,textarea{width:100%;border:1px solid #d8dee7;border-radius:10px;padding:10px 11px;background:#fff;color:var(--text);font:inherit}textarea{min-height:90px;resize:vertical}.actions{display:flex;gap:9px;align-items:center;margin-top:4px}.help{font-size:12px;color:var(--muted);line-height:1.5}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:12px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.status{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:700}.status.on{background:#e6f7ef;color:#117047}.status.off{background:#f1f3f6;color:#67717c}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f3f5f8;border:1px solid var(--line);border-radius:9px;padding:9px;display:block;overflow:auto;font-size:12px}.bar-list{display:grid;gap:11px}.bar-row{display:grid;grid-template-columns:150px 1fr 70px;align-items:center;gap:10px;font-size:13px}.bar-track{height:10px;border-radius:999px;background:#edf0f4;overflow:hidden}.bar-fill{height:100%;background:#6a8edc}.empty{padding:24px;text-align:center;color:var(--muted)}.small{font-size:12px;color:var(--muted)}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:end}.toolbar .field{min-width:150px}.pagination{margin-top:15px;font-size:13px}.link-break{word-break:break-all}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(460px,100%);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:28px}.login-card h1{margin:0 0 6px}.login-card .sub{color:var(--muted);font-size:14px;margin-bottom:20px}@media(max-width:1000px){.grid.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.two{grid-template-columns:1fr}}@media(max-width:720px){.sidebar{position:static;width:100%;padding:16px}.app-shell{display:block}.sidebar-foot{display:none}.sidebar nav{display:flex;overflow:auto}.main{margin-left:0;padding:18px}.form-grid{grid-template-columns:1fr}.grid.stats{grid-template-columns:1fr 1fr}.bar-row{grid-template-columns:100px 1fr 55px}}