:root{--ink:#15171a;--muted:#687079;--line:#dfe4e8;--paper:#fff;--bg:#f3f5f7;--accent:#16d8cb;--danger:#b42318;--success:#067647}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 Inter,system-ui,sans-serif}a{color:inherit}.shell{min-height:100vh;display:grid;grid-template-columns:230px 1fr}.sidebar{padding:24px 16px;background:#090a0b;color:#fff}.brand{display:block;margin:0 8px 26px;font-size:1.25rem;font-weight:900;text-decoration:none}.nav{display:grid;gap:5px}.nav a{padding:10px 12px;border-radius:9px;color:#dce0e3;text-decoration:none}.nav a:hover,.nav a.active{background:#ffffff18;color:#fff}.main{min-width:0}.top{display:flex;justify-content:space-between;align-items:center;gap:15px;min-height:68px;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}.content{padding:26px}.card,.table-wrap{background:#fff;border:1px solid var(--line);border-radius:14px}.card{padding:20px}.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 14px;border:0;border-radius:9px;background:#111;color:#fff;text-decoration:none;font-weight:800;cursor:pointer}.btn.accent{background:var(--accent);color:#041313}.btn.outline{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--danger)}.table-wrap{overflow:auto}table{width:100%;min-width:900px;border-collapse:collapse}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#fafbfb;color:var(--muted);font-size:.78rem;text-transform:uppercase}.badge{display:inline-flex;padding:4px 8px;border-radius:999px;background:#edf0f2;font-size:.8rem;font-weight:800}.badge.active{background:#dcfae6;color:var(--success)}.badge.grace{background:#fff3d6;color:#875b00}.badge.suspended,.badge.cancelled{background:#fee4e2;color:var(--danger)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.full{grid-column:1/-1}.field{display:grid;gap:5px}.field span{color:var(--muted);font-size:.82rem;font-weight:800}.field input,.field select,.field textarea{width:100%;min-height:42px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;font:inherit}.field textarea{min-height:100px}.flash{padding:12px 14px;margin-bottom:18px;border-radius:9px;background:#dcfae6;color:var(--success)}.flash.error{background:#fee4e2;color:var(--danger)}.key-box{padding:15px;border:2px solid var(--accent);border-radius:10px;background:#edfffd;word-break:break-all;font:700 1rem ui-monospace,monospace}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:#090a0b}.login-card{width:min(430px,100%);padding:28px;background:#fff;border-radius:16px}.login-card .field{margin-bottom:14px}@media(max-width:760px){.shell{grid-template-columns:1fr}.sidebar{padding:12px}.nav{display:flex;overflow:auto}.nav a{white-space:nowrap}.content{padding:16px}.grid{grid-template-columns:1fr}.full{grid-column:1}.top{padding:12px 16px}}