:root{--bg:#f5f7fb;--panel:#fff;--text:#172033;--muted:#667085;--line:#e6eaf2;--primary:#1d4ed8;--danger:#dc2626;--ok:#16a34a;--warn:#d97706;--shadow:0 16px 45px rgba(15,23,42,.08);--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card,.install-card{width:min(520px,100%);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.install-card{width:min(860px,100%)}h1,h2,h3{margin:0 0 14px}p{color:var(--muted);line-height:1.5}.field{margin:14px 0}.field label{display:block;font-weight:700;margin-bottom:7px}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;background:#fff}.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;background:var(--primary);color:#fff;padding:11px 15px;text-decoration:none;font-weight:800;cursor:pointer}.btn.secondary{background:#eef2ff;color:#1e3a8a}.btn.danger{background:var(--danger)}.btn.ok{background:var(--ok)}.btn.warn{background:var(--warn)}.layout{display:flex;min-height:100vh}.sidebar{width:280px;background:#0f172a;color:#fff;padding:22px;position:fixed;inset:0 auto 0 0}.brand{font-size:21px;font-weight:900;margin-bottom:24px}.nav a{display:block;color:#cbd5e1;text-decoration:none;padding:11px 12px;border-radius:12px;margin:4px 0;font-weight:700}.nav a.active,.nav a:hover{background:#1e293b;color:#fff}.main{margin-left:280px;width:calc(100% - 280px);padding:28px}.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card strong{display:block;font-size:28px;margin-top:7px}.muted{color:var(--muted)}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden;border:1px solid var(--line)}.table th,.table td{text-align:left;padding:13px;border-bottom:1px solid var(--line);vertical-align:top}.table th{background:#f8fafc;font-size:13px;color:#475569}.badge{display:inline-flex;border-radius:99px;padding:5px 10px;font-weight:800;font-size:12px}.badge.available{background:#eef2ff;color:#1d4ed8}.badge.active{background:#dcfce7;color:#166534}.badge.blocked{background:#fee2e2;color:#991b1b}.actions{display:flex;flex-wrap:wrap;gap:8px}.flash{padding:12px 14px;border-radius:12px;margin:10px 0;font-weight:700}.flash.ok{background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#f8fafc;border:1px solid var(--line);padding:10px;border-radius:10px;word-break:break-all}@media(max-width:900px){.layout{display:block}.sidebar{position:static;width:auto}.main{margin-left:0;width:auto;padding:18px}.cards,.grid2{grid-template-columns:1fr}.top{display:block}.table{display:block;overflow:auto}}