@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Light Theme Colors */
  --bg-primary: hsl(210, 20%, 98%);
  --bg-card: hsl(0, 0%, 100%);
  --bg-card-hover: hsl(220, 25%, 97%);
  --primary: hsl(224, 76%, 48%);
  --primary-hover: hsl(224, 76%, 40%);
  --secondary: hsl(262, 80%, 50%);
  --accent-blue: hsl(226, 100%, 97%);
  --accent-purple: hsl(262, 80%, 97%);
  --accent-red: hsl(0, 100%, 97%);
  --text-main: hsl(220, 30%, 15%);
  --text-muted: hsl(220, 10%, 45%);
  --border: hsl(220, 15%, 90%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-title: 'Outfit', sans-serif;
  --transition-speed: 200ms;
}

[data-theme="dark"] {
  /* Dark Theme Colors */
  --bg-primary: hsl(222, 47%, 9%);
  --bg-card: hsl(223, 47%, 14%);
  --bg-card-hover: hsl(223, 45%, 18%);
  --primary: hsl(224, 85%, 55%);
  --primary-hover: hsl(224, 85%, 65%);
  --secondary: hsl(262, 85%, 60%);
  --accent-blue: hsl(224, 40%, 16%);
  --accent-purple: hsl(262, 40%, 18%);
  --accent-red: hsl(0, 50%, 18%);
  --text-main: hsl(210, 20%, 98%);
  --text-muted: hsl(218, 15%, 70%);
  --border: hsl(223, 30%, 22%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

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

html, body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family-sans);
  font-size: 16px;
  line-height: 1.5;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

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

h1, h2, h3, h4, h5 {
  font-family: var(--font-family-title);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

/* Header/Navigation */
header.site-header {
  position: sticky;
  top: 0;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-family-title);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.brand span.flag {
  font-size: 1.5rem;
}

.brand-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.main-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-speed);
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.5rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-speed), color var(--transition-speed);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.theme-toggle-btn svg {
  width: 1.2rem;
  height: 1.2rem;
  fill: currentColor;
}

.theme-toggle-btn .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle-btn .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle-btn .sun-icon {
  display: block;
}

.search-toggle-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
}

.search-toggle-btn svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke: currentColor;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.mobile-menu-toggle svg {
  width: 1.5rem;
  height: 1.5rem;
  stroke: currentColor;
}

/* Hero Section */
.hero-section {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.hero-content {
  flex: 1.2;
}

.hero-visual {
  flex: 0.8;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual svg {
  width: 100%;
  max-width: 420px;
  height: auto;
}

.hero-title {
  font-size: 2.6rem;
  margin-bottom: 1rem;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.hero-title span.highlight {
  color: var(--primary);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 540px;
}

.search-box-container {
  position: relative;
  max-width: 500px;
  box-shadow: var(--shadow-md);
  border-radius: 12px;
}

.search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 1px solid var(--border);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-size: 1rem;
  border-radius: 12px;
  outline: none;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
}

.search-icon-inside {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  width: 1.25rem;
  height: 1.25rem;
}

/* Categories Grid */
.categories-container {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.category-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.category-icon-wrapper {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* Category Colors (Pastel-style backgrounds) */
.cat-familie { background-color: rgba(236, 72, 153, 0.1); color: rgb(236, 72, 153); }
.cat-arbeit { background-color: rgba(139, 92, 246, 0.1); color: rgb(139, 92, 246); }
.cat-steuern { background-color: rgba(59, 130, 246, 0.1); color: rgb(59, 130, 246); }
.cat-sozial { background-color: rgba(16, 185, 129, 0.1); color: rgb(16, 185, 129); }
.cat-wohnen { background-color: rgba(245, 158, 11, 0.1); color: rgb(245, 158, 11); }
.cat-gesundheit { background-color: rgba(239, 68, 68, 0.1); color: rgb(239, 68, 68); }
.cat-auto { background-color: rgba(6, 182, 212, 0.1); color: rgb(6, 182, 212); }
.cat-finanzen { background-color: rgba(20, 184, 166, 0.1); color: rgb(20, 184, 166); }
.cat-alltag { background-color: rgba(107, 114, 128, 0.1); color: rgb(107, 114, 128); }
.cat-bildung { background-color: rgba(79, 70, 229, 0.1); color: rgb(79, 70, 229); }
.cat-selbststaendig { background-color: rgba(219, 39, 119, 0.1); color: rgb(219, 39, 119); }
.cat-versicherungen { background-color: rgba(249, 115, 22, 0.1); color: rgb(249, 115, 22); }
.cat-energie { background-color: rgba(34, 197, 94, 0.1); color: rgb(34, 197, 94); }

.category-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.category-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.rechner-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-speed), padding-left var(--transition-speed);
  display: inline-block;
  cursor: pointer;
}

.rechner-link:hover {
  color: var(--primary);
  padding-left: 4px;
}

/* Trust Banner */
.trust-banner {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.trust-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.trust-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.trust-icon-wrapper {
  background-color: var(--accent-blue);
  color: var(--primary);
  padding: 0.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed);
}

[data-theme="dark"] .trust-icon-wrapper {
  background-color: var(--accent-blue);
}

.trust-icon-wrapper svg {
  width: 1.5rem;
  height: 1.5rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.trust-title {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.trust-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Footer Section */
footer.site-footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

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

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand .brand {
  font-size: 1.5rem;
}

.footer-about {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 380px;
}

.footer-column-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition-speed);
}

.footer-link:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Specific Search No-Results visual */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  background-color: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: 16px;
  color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.category-card {
  animation: fadeIn 350ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Responsive CSS */
@media (max-width: 992px) {
  .hero-section {
    flex-direction: column;
    text-align: center;
    margin: 2rem auto;
  }
  .hero-visual {
    order: -1;
  }
  .hero-description {
    margin: 0 auto 1.5rem;
  }
  .search-box-container {
    margin: 0 auto;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none; /* Mobile menu toggled dynamically */
  }
  .mobile-menu-toggle {
    display: block;
  }
  .trust-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ==========================================================================
   Category Pages Styles
   ========================================================================== */

/* Category Hero */
.category-hero {
  background: linear-gradient(135deg, rgba(26, 86, 219, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
  transition: background var(--transition-speed), border-color var(--transition-speed);
}

[data-theme="dark"] .category-hero {
  background: linear-gradient(135deg, rgba(26, 86, 219, 0.15) 0%, rgba(124, 58, 237, 0.1) 100%);
}

.category-hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 3rem;
}

.category-hero-content {
  flex: 1.2;
}

.category-hero-visual {
  flex: 0.8;
  display: flex;
  justify-content: center;
  align-items: center;
}

.category-hero-visual img, .category-hero-visual svg {
  width: 100%;
  max-width: 380px;
  height: auto;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--accent-blue);
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.category-hero-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.category-hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
}

/* Category Grid Title and Header */
.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.75rem;
  margin-bottom: 2rem;
}

.section-subtitle-italic {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-muted);
}

/* Assistant Cards (Smaller descriptions, centered clickable box) */
.assistant-card {
  display: flex;
  flex-direction: column;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
  text-align: left;
  cursor: pointer;
  height: 100%;
}

.assistant-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.assistant-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.assistant-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.assistant-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Bottom Split Layout */
.category-info-grid {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

/* Guidance Card */
.guidance-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

.guidance-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.guidance-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  list-style: none;
}

.guidance-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.guide-number {
  background-color: var(--primary);
  color: hsl(0, 0%, 100%);
  width: 1.75rem;
  height: 1.75rem;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.guide-text-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.guide-item-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.guide-item-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Right Column Sidebar elements */
.category-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.authorities-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.authorities-title {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
}

.authorities-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.authority-item-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-main);
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border);
  transition: color var(--transition-speed);
}

.authority-item-link:hover {
  color: var(--primary);
}

.authority-item-link svg {
  width: 0.95rem;
  height: 0.95rem;
  stroke: var(--text-muted);
  transition: stroke var(--transition-speed);
}

.authority-item-link:hover svg {
  stroke: var(--primary);
}

/* Callout Box CTA */
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, hsl(224, 76%, 40%) 100%);
  color: hsl(0, 0%, 100%);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  text-align: left;
}

.cta-box h3 {
  color: hsl(0, 0%, 100%);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.cta-box p {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: hsl(0, 0%, 100%);
  color: var(--primary);
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: opacity var(--transition-speed);
}

.cta-button:hover {
  opacity: 0.95;
}

.cta-button svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

/* Category Grid adjustments */
@media (max-width: 992px) {
  .category-hero-container {
    flex-direction: column;
    text-align: center;
  }
  .category-hero-description {
    margin: 0 auto;
  }
  .category-info-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Homepage Category Links Expansion Rules */
.category-links li.hidden-calc {
  display: none;
}

.show-more-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem 0;
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.25rem;
  transition: color var(--transition-speed), transform var(--transition-speed);
  font-family: var(--font-family-sans);
}

.show-more-btn:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.show-more-btn.expanded {
  color: var(--secondary);
}

/* ==========================================================================
   Individual Calculator Page Layout
   ========================================================================== */

/* Breadcrumbs */
.breadcrumbs {
  max-width: 1200px;
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumbs a {
  transition: color var(--transition-speed);
}

.breadcrumbs a:hover {
  color: var(--primary);
}

.breadcrumbs span.separator {
  margin: 0 0.5rem;
  opacity: 0.5;
}

/* Calculator Main Header */
.calculator-header-section {
  max-width: 1200px;
  margin: 1.5rem auto 2rem;
  padding: 0 1.5rem;
}

.calculator-main-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.calculator-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 800px;
}

/* Two-Column Grid */
.calculator-grid {
  max-width: 1200px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

.calculator-left-col {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.calculator-right-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 90px; /* offset header */
}

/* Base Cards */
.calc-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-speed);
}

.calc-card-title {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.input-with-unit {
  position: relative;
  display: inline-flex;
  align-items: center;
  border: 2px solid var(--border);
  border-radius: 8px;
  background-color: var(--bg-card);
  transition: border-color var(--transition-speed);
}

.input-with-unit:focus-within {
  border-color: var(--primary);
}

.input-with-unit input {
  border: none;
  background: none;
  padding: 0.5rem 0.75rem;
  font-size: 1.1rem;
  font-weight: 700;
  text-align: right;
  width: 120px;
  color: var(--text-main);
  outline: none;
}

.input-with-unit .unit {
  padding-right: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.slider-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
}

.slider-input {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: transform var(--transition-speed);
}

.slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Toggle Selector buttons */
.toggle-group {
  display: flex;
  gap: 0.5rem;
  background-color: var(--bg-primary);
  padding: 0.25rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.toggle-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--transition-speed), color var(--transition-speed);
  text-align: center;
}

.toggle-btn.active {
  background-color: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.form-subtext {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* Variant Comparison Table */
.comparison-table-wrapper {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.comparison-table th {
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border);
  font-weight: 700;
  color: var(--text-muted);
}

.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-main);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table td.number-cell, .comparison-table th.number-cell {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.comparison-table td.bold-cell {
  font-weight: 700;
  color: var(--primary);
}

/* Right Column: Premium Result Card */
.results-card-container {
  background: linear-gradient(135deg, hsl(224, 76%, 48%) 0%, hsl(224, 76%, 38%) 100%);
  color: hsl(0, 0%, 100%);
  border-radius: 16px;
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.results-card-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  opacity: 0.8;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.results-main-value {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-family-title);
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.results-sub-value-desc {
  font-size: 0.9rem;
  opacity: 0.85;
  margin-bottom: 1.5rem;
}

.results-divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin: 1.5rem 0;
}

.results-extra-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.results-extra-label {
  font-size: 0.85rem;
  opacity: 0.8;
}

.results-extra-value {
  font-size: 1.35rem;
  font-weight: 700;
}

.results-extra-desc {
  font-size: 0.8rem;
  opacity: 0.75;
}

.pdf-export-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background-color: hsl(0, 0%, 100%);
  color: var(--primary);
  border: none;
  padding: 0.85rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background var(--transition-speed);
}

.pdf-export-btn:hover {
  background-color: hsl(220, 20%, 95%);
}

/* Sidebar Callout Blocks */
.sidebar-callout {
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  gap: 0.75rem;
  font-size: 0.85rem;
  line-height: 1.45;
  border: 1px solid;
}

.sidebar-callout-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.sidebar-callout-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-callout-title {
  font-weight: 700;
}

.sidebar-callout.tip {
  background-color: var(--accent-purple);
  border-color: rgba(139, 92, 246, 0.2);
  color: hsl(262, 80%, 35%);
}
[data-theme="dark"] .sidebar-callout.tip {
  color: hsl(262, 85%, 80%);
}

.sidebar-callout.alert {
  background-color: var(--accent-red);
  border-color: rgba(239, 68, 68, 0.2);
  color: hsl(0, 100%, 35%);
}
[data-theme="dark"] .sidebar-callout.alert {
  color: hsl(0, 100%, 80%);
}

/* Background Cards */
.background-grid-section {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}

.background-section-title {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}

.background-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.bg-info-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bg-info-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-main);
}

.bg-info-icon {
  font-size: 1.2rem;
  color: var(--primary);
}

.bg-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.bg-info-list li {
  position: relative;
  padding-left: 1rem;
}

.bg-info-list li::before {
  content: "•";
  color: var(--primary);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* Praxisbeispiele (Examples) Grid */
.examples-section {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}

.examples-header-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}

.examples-header-title {
  font-size: 1.75rem;
}

.all-examples-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  transition: color var(--transition-speed);
}

.all-examples-link:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.example-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.example-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.example-badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.example-badge.blue { background-color: rgba(59, 130, 246, 0.1); color: rgb(59, 130, 246); }
.example-badge.purple { background-color: rgba(139, 92, 246, 0.1); color: rgb(139, 92, 246); }
.example-badge.green { background-color: rgba(16, 185, 129, 0.1); color: rgb(16, 185, 129); }

.example-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.example-details {
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.example-row {
  display: flex;
  justify-content: space-between;
}

.example-row span.val {
  font-weight: 600;
  color: var(--text-main);
}

.example-total-row {
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
}

/* Detailed SEO content block */
.seo-article-section {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 2.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

.seo-article-content {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.seo-article-content h2 {
  font-size: 1.5rem;
  color: var(--text-main);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.seo-article-content h3 {
  font-size: 1.15rem;
  color: var(--text-main);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.seo-article-content p {
  margin-bottom: 1rem;
}

.seo-article-content ul {
  margin-bottom: 1rem;
  padding-left: 1.25rem;
}

.seo-article-content li {
  margin-bottom: 0.35rem;
}

/* Authority Finder inside SEO */
.authority-finder-card {
  margin-top: 2rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.authority-finder-text h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.authority-finder-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.authority-finder-btn {
  background-color: var(--primary);
  color: hsl(0, 0%, 100%);
  border: none;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-speed);
}

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

/* Responsive Overrides */
@media (max-width: 992px) {
  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .calculator-right-col {
    position: static;
  }
  .background-cards-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .examples-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .authority-finder-card {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  .authority-finder-btn {
    width: 100%;
  }
}

/* ═══════════════════════════════════════════
   RELATED CALCULATORS SECTION
   ═══════════════════════════════════════════ */
.related-calcs {
  margin-top: 3rem;
  padding: 2rem 0 0.5rem;
  border-top: 2px solid var(--border);
}

.related-calcs-title {
  font-family: var(--font-family-title);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.related-calcs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.related-calc-card {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.125rem;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-main);
  transition: border-color 200ms, box-shadow 200ms, transform 200ms;
  cursor: pointer;
}

.related-calc-card:hover {
  border-color: var(--primary);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.12);
  transform: translateY(-3px);
}

.related-calc-icon {
  font-size: 1.75rem;
  line-height: 1;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue);
  border-radius: 10px;
}

.related-calc-info {
  flex: 1;
  min-width: 0;
}

.related-calc-info h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.related-calc-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-calc-arrow {
  font-size: 0.85rem;
  color: var(--primary);
  opacity: 0;
  transition: opacity 150ms, transform 150ms;
  flex-shrink: 0;
  align-self: center;
}

.related-calc-card:hover .related-calc-arrow {
  opacity: 1;
  transform: translateX(3px);
}

@media (max-width: 768px) {
  .related-calcs-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  .related-calcs-grid {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================
   CALCULATOR SPECIFIC STYLES 
   ========================================================== */

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

.breadcrumb {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumb a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.calc-page-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.calc-page-icon {
  font-size: 3.5rem;
  background: var(--accent-blue);
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
}

.calc-page-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.calc-page-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.calc-badges {
  display: flex;
  gap: 0.75rem;
}

.badge {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
}

.badge-updated {
  background: var(--accent-blue);
  color: var(--primary);
}

.badge-official {
  background: var(--accent-purple);
  color: var(--secondary);
}

/* 2-Column Layout */
.calc-layout {
  display: grid;
  grid-template-columns: 60% 35%;
  gap: 5%;
  align-items: start;
}

@media (max-width: 992px) {
  .calc-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.calc-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.calc-section-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.input-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  overflow: hidden;
  transition: border-color var(--transition-speed);
}

.input-wrapper:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--accent-blue);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-main);
  outline: none;
}

select.form-control {
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-primary);
}

.input-suffix {
  padding: 0 1rem;
  color: var(--text-muted);
  font-weight: 500;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
}

.form-hint {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.range-slider {
  width: 100%;
  margin-top: 0.75rem;
}

.calc-btn-primary {
  width: 100%;
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background var(--transition-speed);
  margin-top: 1rem;
}

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

/* Results Panel */
.calc-results-card {
  position: sticky;
  top: 100px;
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--primary);
}

.results-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-main);
  text-align: center;
}

.results-placeholder {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 0;
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* Active Results View */
.result-highlight {
  text-align: center;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--accent-blue);
  border-radius: 0.5rem;
}

.result-main-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.result-main-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
}

.result-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
}

.result-row span:last-child {
  font-weight: 600;
}

.result-divider {
  height: 1px;
  background: var(--border);
  margin: 0.5rem 0;
}

.result-total {
  font-size: 1.15rem;
  font-weight: 700;
}

.positive {
  color: #10b981; /* Green */
}

.negative {
  color: #ef4444; /* Red */
}

.alert-box {
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.alert-info {
  background: var(--accent-blue);
  color: var(--primary);
  border: 1px solid var(--primary);
}

.alert-warn {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #f59e0b;
}

.result-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
  text-align: center;
  font-style: italic;
}

/* Tips Card */
.tip-card {
  margin-top: 2rem;
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: 1rem;
  border-left: 4px solid var(--secondary);
  box-shadow: var(--shadow-sm);
}

.tip-card h3 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.tip-card ul {
  padding-left: 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.tip-card li {
  margin-bottom: 0.5rem;
}

.tip-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

/* ==========================================================
   RESULTS WRAPPER OVERRIDES (For blue card)
   ========================================================== */
.results-card-container .result-highlight {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}
.results-card-container .result-main-value {
  color: white;
}
.results-card-container .result-main-label {
  color: rgba(255, 255, 255, 0.8);
}
.results-card-container .result-row {
  color: rgba(255, 255, 255, 0.9);
}
.results-card-container .result-divider {
  background: rgba(255, 255, 255, 0.2);
}
.results-card-container .result-total {
  color: white;
}
.results-card-container .positive {
  color: #a7f3d0; /* lighter green for dark background */
}
.results-card-container .negative {
  color: #fca5a5; /* lighter red for dark background */
}
.results-card-container .result-note {
  color: rgba(255, 255, 255, 0.7);
}
.results-card-container .alert-info {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}