:root{--bg:#0d1117;--panel:#161b22;--panel-2:#1c2330;--border:#2a3340;--text:#e6edf3;--muted:#8b949e;--green:#3fb950;--red:#f85149;--accent:#2f81f7}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--accent);text-decoration:none}.nav{display:flex;align-items:center;gap:20px;padding:14px 24px;background:var(--panel);border-bottom:1px solid var(--border)}.nav .brand{font-weight:700}.nav .spacer{flex:1 1}.container{max-width:1200px;margin:0 auto;padding:24px}.grid{display:grid;grid-gap:16px;gap:16px}.grid.kpis{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.grid.cols-2{grid-template-columns:1fr 1fr}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px}.card h3{margin:0 0 12px;font-size:14px;color:var(--muted);font-weight:600}.kpi .label{font-size:12px;color:var(--muted)}.kpi .value{font-size:24px;font-weight:700;margin-top:6px}.pos{color:var(--green)}.neg{color:var(--red)}table{width:100%;border-collapse:collapse;font-size:13px}td,th{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600}.btn{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:14px;cursor:pointer}.btn.secondary{background:var(--panel-2);border:1px solid var(--border)}.btn.danger{background:var(--red)}.btn:disabled{opacity:.5;cursor:not-allowed}input,select{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:14px;width:100%}label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.field{margin-bottom:14px}.switch{display:inline-flex;align-items:center;gap:10px}.badge{padding:2px 8px;border-radius:12px;font-size:12px}.badge.on{background:rgba(63,185,80,.15);color:var(--green)}.badge.off{background:rgba(248,81,73,.15);color:var(--red)}.center{min-height:60vh;display:flex;align-items:center;justify-content:center}.login-box{width:340px}