:root{
  --bg:#f6f7fb; --card:#fff; --ink:#0f172a; --muted:#64748b;
  --line:#e6e8ef; --brand:#4f46e5; --brand2:#8b5cf6;
  --ok:#10b981; --warn:#f59e0b; --err:#ef4444;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1000px 600px at 10% -10%, #eef2ff 0%, transparent 60%),
    radial-gradient(800px 500px at 110% 110%, #f5f3ff 0%, transparent 55%),
    var(--bg);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
  color:var(--ink);
  min-height:100vh;
  display:flex; flex-direction:column;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
code{background:#eef2ff;color:#4338ca;padding:1px 6px;border-radius:6px;font-size:.9em}

/* nav */
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav-in{max-width:1040px;margin:0 auto;padding:14px 20px;display:flex;justify-content:space-between;align-items:center}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:600;font-size:16px;letter-spacing:-.01em}
.brand b{font-weight:700}
.nav-r{display:flex;align-items:center;gap:14px}
.nav-mail{color:var(--muted);font-size:13px}

/* container */
.wrap{max-width:1040px;margin:0 auto;padding:32px 20px 60px;width:100%}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
      box-shadow:0 20px 50px -30px rgba(15,23,42,.25),0 4px 12px -6px rgba(15,23,42,.06)}
.card+.card{margin-top:18px}
.narrow{max-width:480px;margin:60px auto 0}
.center{text-align:center}

h1{margin:0 0 6px;font-size:24px;letter-spacing:-.02em}
h2{margin:0 0 14px;font-size:18px;letter-spacing:-.01em}
.sub{margin:0 0 24px;color:var(--muted);font-size:14px}

/* form */
label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px;color:#1e293b}
input[type=text],input[type=email],input[type=password],textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:inherit;
  background:#fbfbfd;color:var(--ink);transition:.15s;font-family:inherit;
}
textarea{min-height:80px;resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(79,70,229,.12)}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
.hint code{background:#eef2ff;color:#4338ca;padding:1px 6px;border-radius:6px}

/* buttons */
.btn{display:inline-block;border:0;border-radius:10px;padding:11px 18px;font:inherit;font-weight:600;
     color:#fff;cursor:pointer;background:linear-gradient(135deg,var(--brand),var(--brand2));
     box-shadow:0 8px 20px -8px rgba(79,70,229,.6);transition:.15s;text-decoration:none}
.btn:hover{transform:translateY(-1px);text-decoration:none;color:#fff}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none;padding:8px 14px;font-size:13px}
.btn.ghost:hover{background:#f8fafc}
.btn.small{padding:8px 14px;font-size:13px}
.btn.full{width:100%;text-align:center}
.btn.gray{background:#0f172a}

/* alerts */
.alert{padding:12px 14px;border-radius:10px;font-size:13.5px;margin-bottom:16px}
.alert.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.alert.ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.alert.info{background:#eef2ff;border:1px solid #c7d2fe;color:#3730a3}

/* dashboard grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:6px}
.tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;transition:.15s;display:block;color:var(--ink)}
.tile:hover{border-color:#c7d2fe;box-shadow:0 10px 24px -16px rgba(79,70,229,.4);text-decoration:none;transform:translateY(-1px)}
.tile .t{font-weight:600;font-size:15px;letter-spacing:-.01em;margin-bottom:4px}
.tile .d{color:var(--muted);font-size:12.5px;margin-bottom:14px;min-height:32px}
.tile .meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}

/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:600}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.ok{background:#ecfdf5;color:#059669}
.badge.pending{background:#fef3c7;color:#b45309}
.badge.err{background:#fef2f2;color:#b91c1c}
.badge.off{background:#f1f5f9;color:#64748b}

/* code block */
.codebox{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  background:#0f172a;color:#e2e8f0;border-radius:12px;
  padding:16px 18px;font-size:14px;letter-spacing:.14em;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.codebox b{color:#a5b4fc;font-weight:700}
.copy{background:rgba(255,255,255,.1);border:0;color:#e2e8f0;padding:6px 10px;border-radius:8px;font-size:12px;cursor:pointer}
.copy:hover{background:rgba(255,255,255,.2)}

/* table */
table{width:100%;border-collapse:collapse;font-size:14px;margin-top:6px}
th,td{text-align:left;padding:11px 8px;border-bottom:1px solid var(--line)}
th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}

.foot{margin-top:auto;padding:24px 20px;color:var(--muted);font-size:12.5px;text-align:center}
.foot a{color:var(--muted)}