:root {
  --bg: #eef5ff;
  --bg-2: #e3eeff;
  --card: #ffffff;
  --text: #18324d;
  --muted: #6480a0;
  --primary: #2f6efc;
  --primary-hover: #255be0;
  --danger: #d83a4b;
  --border: #d9e6ff;
  --success-bg: #e8f8ef;
  --success-text: #237447;
  --error-bg: #ffecee;
  --error-text: #9b2430;
  --info-bg: #ebf3ff;
  --info-text: #2f5d9a;
  --shadow: 0 10px 30px rgba(44, 93, 170, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, var(--bg-2), var(--bg));
  min-height: 100vh;
}

.container {
  width: min(980px, 92vw);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  background: rgba(238, 245, 255, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.2px;
}

.menu {
  display: flex;
  gap: 12px;
}

.menu a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
  transition: 0.2s ease;
}

.menu a:hover,
.menu a.is-active {
  color: var(--primary);
  background: #edf3ff;
}

.main {
  padding: 28px 0 50px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.hero h1,
.card h2 {
  margin: 0 0 10px;
}

.subtle,
.hero p {
  color: var(--muted);
  margin-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}

input {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 11px 12px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease;
}

input:focus {
  border-color: var(--primary);
}

.password-wrap {
  display: flex;
  gap: 8px;
}

.password-wrap input {
  flex: 1;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  color: #fff;
  background: var(--primary);
  transition: 0.2s ease;
}

.btn:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #e9f0ff;
  color: #2b4f86;
}

.btn-secondary:hover {
  background: #dfe9ff;
}

.btn-danger {
  background: var(--danger);
}

.btn-danger:hover {
  background: #bf2f40;
}

.alert {
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
  border: 1px solid transparent;
}

.alert ul {
  margin: 0;
  padding-left: 18px;
}

.alert-success {
  background: var(--success-bg);
  color: var(--success-text);
  border-color: #c3ebd2;
}

.alert-error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: #f7c4ca;
}

.alert-info {
  background: var(--info-bg);
  color: var(--info-text);
  border-color: #bfd7ff;
}

.status {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 999px;
  background: #f0f5ff;
  color: var(--muted);
  font-weight: 600;
}

.status.ok {
  background: #e8f8ef;
  color: var(--success-text);
}

.status.bad {
  background: #ffecee;
  color: var(--error-text);
}

.kv {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 8px;
}

.kv span {
  color: var(--muted);
}

.json-box {
  margin: 14px 0 0;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f8fbff;
  padding: 12px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
}

.toggle-password,
button[data-loading="true"] {
  min-width: 88px;
}

.toggle-password {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #f5f8ff;
  color: #335b95;
  font-weight: 600;
  cursor: pointer;
  padding: 0 12px;
}

@media (max-width: 640px) {
  .menu {
    gap: 6px;
  }

  .menu a {
    padding: 6px 8px;
    font-size: 14px;
  }

  .card {
    padding: 18px;
  }
}