:root {
  --background: #f5f6fa;
  --card-background: #ffffff;
  --accent: #1d4ed8;
  --accent-muted: #94a3b8;
  --text: #1f2933;
  --text-muted: #475569;
  --border: #e2e8f0;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.site-header {
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  color: #fff;
  box-shadow: var(--shadow);
}

.site-header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  letter-spacing: 0.02em;
}

.subtitle {
  margin: 0.5rem 0 0;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
}

.site-footer {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.75);
  text-align: center;
  font-size: 0.9rem;
}

.language-header {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.language-header--dual {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.language-header--single {
  justify-content: center;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, max-content);
  gap: 1rem;
}

.language-column {
  display: flex;
  justify-content: flex-start;
}

.language-column.lang-de {
  justify-content: flex-end;
}

.language-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card-background);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.language-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
  border-color: var(--accent);
}

.language-button img {
  width: 32px;
  height: 24px;
  border-radius: 4px;
  object-fit: cover;
}

.language-button.is-muted img {
  filter: grayscale(1);
  opacity: 0.5;
}

.language-button.is-muted {
  border-color: var(--border);
  box-shadow: none;
}

.content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.paragraph-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem;
  padding: 1.5rem;
  background: var(--card-background);
  border-radius: 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.paragraph-pair[data-type="section"],
.paragraph-pair[data-type="subsection"] {
  align-items: baseline;
}

.language-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  line-height: 1.6;
  font-size: 1rem;
  color: var(--text);
}

.language-text h2,
.language-text h3 {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.01em;
}

.language-text h2 {
  font-size: 1.35rem;
}

.language-text h3 {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.language-text p {
  margin: 0;
  text-align: justify;
}

.textcolor-blue {
  color: #2563eb;
}

.textcolor-orange {
  color: #d97706;
}

.textcolor-red {
  color: #dc2626;
  font-weight: 600;
}

.alt-term {
  font-style: italic;
  color: var(--text-muted);
}

#content[data-mode="da"] .paragraph-pair,
#content[data-mode="de"] .paragraph-pair {
  grid-template-columns: 1fr;
}

#content[data-mode="da"] .lang-de,
#content[data-mode="de"] .lang-da {
  display: none;
}

@media (max-width: 900px) {
  .language-header--dual {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .language-column.lang-de {
    justify-content: center;
  }

  .paragraph-pair {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .language-button {
    width: 100%;
    justify-content: center;
  }

  .language-button img {
    width: 28px;
    height: 20px;
  }
}