:root {
  --dt-blue-900: #0b1f3a;
  --dt-blue-800: #102a4c;
  --dt-cyan-500: #21b8c7;
  --dt-cyan-600: #1496a6;
  --dt-yellow-400: #f2c94c;
  --dt-bg: #f4f7fb;
  --dt-card: #ffffff;
  --dt-text: #172033;
  --dt-muted: #667085;
  --dt-border: #d0d5dd;
  --dt-danger: #b42318;
  --dt-danger-bg: #fef3f2;
  --dt-danger-border: #fecdca;
  --dt-shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(33, 184, 199, 0.18), transparent 28rem),
    linear-gradient(180deg, #f8fbff 0%, var(--dt-bg) 100%);
  color: var(--dt-text);
}

.topbar {
  width: 100%;
  background: var(--dt-blue-900);
  color: #ffffff;
  border-bottom: 4px solid var(--dt-yellow-400);
}

.topbar-inner {
  max-width: 1180px;
  height: 68px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--dt-cyan-500);
  color: var(--dt-blue-900);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-text {
  font-size: 18px;
  letter-spacing: 0.01em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 10px;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.12);
}

.page {
  min-height: calc(100vh - 72px);
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.card {
  width: 100%;
  max-width: 760px;
  background: var(--dt-card);
  border: 1px solid rgba(208, 213, 221, 0.85);
  border-top: 6px solid var(--dt-cyan-500);
  border-radius: 18px;
  padding: 32px;
  box-shadow: var(--dt-shadow);
}

.card.wide {
  max-width: 960px;
}

h1 {
  margin: 0 0 12px;
  color: var(--dt-blue-900);
  font-size: 30px;
  line-height: 1.15;
}

p {
  margin-top: 0;
  line-height: 1.55;
}

.muted {
  color: var(--dt-muted);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.actions a,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  background: var(--dt-blue-900);
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
}

.actions a:hover,
button:hover {
  background: var(--dt-blue-800);
}

form {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 700;
  color: var(--dt-blue-900);
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--dt-border);
  border-radius: 12px;
  background: #ffffff;
  color: var(--dt-text);
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(33, 184, 199, 0.20);
  border-color: var(--dt-cyan-600);
}

textarea {
  min-height: 100px;
  resize: vertical;
}

.summary {
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: 10px 16px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--dt-border);
}

.summary dt {
  font-weight: 800;
  color: var(--dt-blue-900);
}

.summary dd {
  margin: 0;
  color: var(--dt-text);
  overflow-wrap: anywhere;
}

.error {
  color: var(--dt-danger);
  background: var(--dt-danger-bg);
  border: 1px solid var(--dt-danger-border);
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 700;
}

@media (max-width: 720px) {
  .topbar-inner {
    height: auto;
    padding: 16px;
    align-items: flex-start;
    flex-direction: column;
  }

  .page {
    padding: 28px 16px;
  }

  .card {
    padding: 24px;
  }

  .summary {
    grid-template-columns: 1fr;
  }
}

.success-box {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid rgba(33, 184, 199, 0.35);
  border-radius: 16px;
  background: rgba(33, 184, 199, 0.06);
}

.secret-box {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid rgba(180, 35, 24, 0.25);
  border-radius: 16px;
  background: #fff8f6;
}

.secret-box h2,
.success-box h2 {
  margin-top: 0;
  color: var(--dt-blue-900);
}

.temporary-password {
  display: block;
  width: 100%;
  margin: 12px 0;
  padding: 16px;
  border-radius: 12px;
  background: #111827;
  color: #ffffff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.06em;
  overflow-wrap: anywhere;
}