:root {
  --color-bg: #f9fafb;
  --color-primary: #1b3c73;
  --color-accent: #4e9f3d;
  --color-text: #111827;
  --color-muted: #6b7280;
  --radius-lg: 16px;
  --shadow-soft: 0 14px 30px rgba(15, 23, 42, 0.12);
  --card-max-width: 720px;
  --card-padding: 32px 20px 24px;
  --card-padding-lg: 40px 40px 28px;
  --page-bottom-padding: 0px;
  --logo-size: 32px;
  --logo-row-gap: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top left, #e5f0ff, #f9fafb 55%);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: var(--page-bottom-padding);
}

a {
  text-decoration: none;
  color: inherit;
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 16px 40px;
}

.card {
  width: 100%;
  max-width: var(--card-max-width);
  background: #ffffff;
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  padding: var(--card-padding);
  position: relative;
  overflow: hidden;
}

@media (min-width: 640px) {
  .card {
    padding: var(--card-padding-lg);
  }
}

.logo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: var(--logo-row-gap);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  width: var(--logo-size);
  height: var(--logo-size);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.35);
  overflow: hidden;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.logo-text {
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--color-primary);
}

h1 {
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: #0f172a;
}

@media (min-width: 640px) {
  h1 {
    font-size: 32px;
  }
}

footer {
  width: 100%;
  max-width: var(--card-max-width);
  margin-top: 14px;
  font-size: 11px;
  color: var(--color-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.footer-right {
  text-align: right;
}

@media (max-width: 480px) {
  footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-right {
    text-align: left;
  }
}

.updates-empty {
  font-size: 13px;
  color: var(--color-muted);
  border: 1px dashed rgba(148, 163, 184, 0.5);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
  background: rgba(27, 60, 115, 0.03);
}