:root{--bg: #f5f7fb;--card: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #2563eb;--danger: #ef4444;--ok: #16a34a;--warn: #d97706}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.container{max-width:960px;margin:0 auto;padding:24px 16px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.topbar h1{font-size:20px;margin:0}.topbar .who{font-size:13px;color:var(--muted)}.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px}button{font:inherit;cursor:pointer;border-radius:8px;border:1px solid var(--border);background:#fff;padding:8px 14px;color:var(--text)}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.danger{background:var(--danger);border-color:var(--danger);color:#fff}button.ghost{background:transparent;border-color:transparent;color:var(--primary);padding:4px 8px}button:disabled{opacity:.5;cursor:not-allowed}input,select{font:inherit;width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text)}label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.field{margin-bottom:14px}.row{display:flex;gap:12px}.row>*{flex:1}.searchbar{margin-bottom:16px}table{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}tr:hover td{background:#f8fafc;cursor:pointer}.badge{font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}.badge.active{background:#dcfce7;color:var(--ok)}.badge.expiring{background:#fef3c7;color:var(--warn)}.badge.expired{background:#fee2e2;color:var(--danger)}.badge.none{background:#e2e8f0;color:var(--muted)}.badge.tier-paid{background:#dbeafe;color:var(--primary)}.badge.tier-free{background:#f1f5f9;color:var(--muted)}.quickadd{display:flex;gap:8px;margin-top:8px}.quickadd button{padding:4px 10px;font-size:13px}.device-row{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--border);border-radius:8px;margin-bottom:8px}.device-row .meta{font-size:12px;color:var(--muted)}.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);margin:20px 0 8px}.actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.error{color:var(--danger);font-size:13px;margin-top:8px}.muted{color:var(--muted);font-size:13px}.back{margin-bottom:12px}