:root {
  --bg: #f3f6fb;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #dbe4f0;
  --primary: #2563eb;
  --primary-2: #1d4ed8;
  --secondary: #475569;
  --ok: #15803d;
  --danger: #dc2626;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(1200px 500px at 5% -10%, #dbeafe 0%, transparent 60%),
    radial-gradient(900px 500px at 95% 110%, #e2e8f0 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", sans-serif;
}

.card {
  width: min(460px, 92vw);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  display: grid;
  gap: 9px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

h1 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
}

.muted {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

label {
  font-weight: 600;
  font-size: 0.92rem;
}

input {
  border: 1px solid var(--line);
  background: #f8fafc;
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 0.95rem;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

button {
  margin-top: 8px;
  border: none;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  padding: 11px 14px;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  background: var(--primary-2);
}

.actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

#status {
  min-height: 20px;
  margin: 6px 0 0;
  color: var(--ok);
  font-size: 0.9rem;
}