/* Page container, grid, and responsive breakpoints — values ported from
   docs/mockup_html/styles.css, kept under the app's existing class names. */
:root {
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

.page-container {
  width: min(calc(100% - 48px), var(--content-max-width));
  margin-inline: auto;
}

@media (max-width: 820px) {
  .page-container {
    width: min(calc(100% - 28px), var(--content-max-width));
  }
}

@media (max-width: 520px) {
  .page-container {
    width: min(calc(100% - 20px), var(--content-max-width));
  }
}

.readable {
  max-width: var(--content-readable-width);
}

.section {
  margin-top: 28px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 2px 13px;
  gap: var(--space-4);
}

.section-head h2 {
  font-size: 20px;
  margin: 0;
}

.section-head a {
  color: var(--color-accent-strong);
  font-weight: 650;
  font-size: 14px;
}

/* Header — a floating surface card, per docs/mockup_html's
   `<header class="header container surface">` combination */
.site-header {
  position: sticky;
  top: 10px;
  z-index: 50;
  margin: 12px auto 30px;
  min-height: 68px;
  padding: 10px 16px;
  width: min(calc(100% - 48px), var(--content-max-width));
  background: rgba(247, 249, 255, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-lg);
  box-shadow:
    10px 10px 26px var(--shadow-dark-soft),
    -10px -10px 24px var(--shadow-light);
}

@media (max-width: 820px) {
  .site-header {
    top: 5px;
    margin-top: 8px;
    width: min(calc(100% - 28px), var(--content-max-width));
  }
}

.site-header .page-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-size: 26px;
  font-weight: 750;
  letter-spacing: -0.04em;
  color: var(--color-text);
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex: 1;
}

.main-nav a {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 11px;
  border-radius: 12px;
  color: #17233a;
  text-decoration: none;
  font-weight: 550;
  font-size: 15px;
}

.nav-icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
}

@media (max-width: 1150px) {
  .main-nav a span {
    display: none;
  }
}

.main-nav a:hover,
.main-nav a[aria-current='page'] {
  background: rgba(228, 240, 250, 0.78);
  color: var(--color-accent-strong);
  box-shadow:
    inset 2px 2px 6px rgba(88, 111, 138, 0.08),
    inset -2px -2px 6px #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.language-dropdown {
  position: relative;
}

.language-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-accent-strong);
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.language-dropdown-toggle:hover {
  background: var(--color-info-soft);
}

.language-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 140px;
  padding: 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface-strong);
  box-shadow:
    4px 6px 16px var(--shadow-dark),
    -2px -2px 10px var(--shadow-light);
  z-index: 20;
}

.language-dropdown-menu a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.language-dropdown-menu a:hover {
  background: var(--color-info-soft);
  color: var(--color-accent-strong);
}

.language-dropdown-menu a[aria-current='true'] {
  color: var(--color-accent-strong);
  background: var(--color-info-soft);
}

.mobile-menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
}

.hamburger {
  width: 22px;
  height: 16px;
  position: relative;
  display: block;
}

.hamburger::before,
.hamburger::after,
.hamburger span {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent-strong);
  border-radius: 4px;
}

.hamburger::before {
  top: 0;
}

.hamburger span {
  top: 7px;
}

.hamburger::after {
  bottom: 0;
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }

  .header-actions a.button,
  .header-actions .language-dropdown {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }
}

.mobile-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav .page-container {
  display: flex;
  flex-direction: column;
  padding-block: var(--space-3);
}

.mobile-nav a {
  padding: var(--space-3) 0;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
}

.mobile-nav a:last-child {
  border-bottom: none;
}

/* Grids */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

@media (max-width: 1150px) {
  .tool-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 820px) {
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 640px) {
  .category-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .tool-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 5px 2px 15px;
  }

  .tool-grid .tool-card {
    min-width: 205px;
    scroll-snap-align: start;
    flex-shrink: 0;
  }

  .category-card {
    grid-template-columns: 60px 1fr 36px;
  }
}

/* All-tools directory page (docs/mockup_html #page-all-tools) */
.directory-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
}

.filter-panel {
  padding: 18px;
  height: max-content;
}

.filter-panel h3 {
  font-size: 15px;
  margin: 0 0 10px;
}

.filter-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}

.filter-list li {
  padding: 9px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 10px;
  color: var(--color-text-muted);
  cursor: pointer;
}

.filter-list li.active {
  background: var(--color-info-soft);
  color: var(--color-accent-strong);
  font-weight: 650;
}

.filter-list .count {
  font-size: 11px;
  background: var(--color-info-soft);
  color: var(--color-accent-strong);
  padding: 1px 7px;
  border-radius: 999px;
}

.filter-tabs {
  display: none;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.tab-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  box-shadow:
    3px 4px 9px var(--shadow-dark-soft),
    -3px -3px 8px var(--shadow-light);
}

.tab-btn.active {
  color: var(--color-accent-strong);
  background: var(--color-info-soft);
  border-color: var(--color-accent);
}

/* Deliberately its own grid rather than a .tool-grid modifier: the
   directory needs to show all ~20 tools as a normal browsable list, not
   the homepage's 6-item "popular strip" that switches to horizontal
   scroll-snap on narrow screens. */
.directory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 1150px) {
  .directory-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 820px) {
  .directory-layout {
    grid-template-columns: 1fr;
  }

  .filter-panel {
    display: none;
  }

  .filter-tabs {
    display: flex;
  }

  .directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .directory-grid {
    grid-template-columns: 1fr;
  }
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

@media (max-width: 900px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
}

.home-lower {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 16px 18px;
  gap: 18px;
}

.step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 10px;
  align-items: start;
}

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--color-accent-strong);
  font-weight: 750;
  background: #e4f0fa;
  box-shadow:
    3px 3px 9px var(--shadow-dark-soft),
    -3px -3px 8px var(--shadow-light);
}

.step h3 {
  font-size: 14px;
  margin: 2px 0 3px;
}

.step p {
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.35;
  margin: 0;
}

.trust-panel {
  padding: 18px 22px;
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 16px;
  align-items: center;
}

.trust-panel img {
  width: 70px;
}

.trust-panel h3 {
  font-size: 17px;
  margin-bottom: 7px;
}

@media (max-width: 820px) {
  .home-lower {
    grid-template-columns: 1fr;
  }

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

.page-head {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 35px;
  align-items: center;
  margin-bottom: 20px;
}

.page-head h1 {
  font-size: 44px;
  margin-bottom: 10px;
}

.page-head p {
  color: var(--color-text-muted);
  font-size: 18px;
  max-width: 650px;
}

.compact-privacy {
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: center;
  gap: 15px;
}

.compact-privacy img {
  width: 90px;
}

.compact-privacy h3 {
  font-size: 17px;
  margin: 0 0 4px;
}

.compact-privacy p {
  font-size: 13px;
  margin: 0;
  color: var(--color-text-muted);
}

@media (max-width: 820px) {
  .page-head {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .page-head h1 {
    font-size: 37px;
  }
}

.tool-intro {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 20px;
}

/* Tools whose intro is text-only (no workspace merged in) span both
   columns instead of being squeezed into the narrower one. */
.tool-intro-text-only {
  grid-column: 1 / -1;
  /* Grid items default to min-width:auto, which caps shrinking at the
     content's intrinsic width — without this, longer German copy (e.g.
     the privacy badge) can hold the whole grid track open past the
     viewport width on narrow screens. */
  min-width: 0;
}

.tool-intro h1 {
  font-size: 45px;
  margin-bottom: 12px;
  /* German titles are sometimes one long unbroken compound word (or a
     hyphen/slash the browser doesn't treat as a break opportunity at
     this font size) — without this, the 45px heading can hold the page
     open past the viewport width on narrow screens. */
  overflow-wrap: break-word;
}

.tool-intro p {
  font-size: 18px;
  color: var(--color-text-muted);
}

@media (max-width: 820px) {
  .tool-intro {
    grid-template-columns: 1fr;
  }

  .tool-intro h1 {
    font-size: 37px;
  }
}

/* Format comparison (image-converter's "Understanding image formats") */
.format-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: var(--space-4);
}

.format-card {
  padding: 15px;
}

.format-card h3 {
  font-size: 15px;
  margin-bottom: 8px;
}

@media (max-width: 640px) {
  .format-columns {
    grid-template-columns: 1fr;
  }
}

/* Below-the-fold info sections (how it works / formats / FAQ / related) */
.below-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.below-grid .info-card {
  padding: 17px;
}

.below-grid .info-card h3 {
  font-size: 15px;
  margin-bottom: 10px;
}

.below-grid .info-card p,
.below-grid .info-card li {
  font-size: 12px;
  color: var(--color-text-muted);
}

@media (max-width: 1150px) {
  .below-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .below-grid {
    grid-template-columns: 1fr;
  }
}

/* Supported-formats list — no bullets, name + note stacked */
.format-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.format-list li {
  margin-bottom: 8px;
}

.format-list strong {
  color: var(--color-text);
}

/* Tool page two-column layout (default: controls left, result right) */
.tool-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }
}

/* Per-tool column overrides for tools using the side-by-side .tool-layout
   split (controls | result), each with its own column ratio. The
   compressor and metadata-remover don't use .tool-layout at all — their
   #tool-root wraps the merged tool-intro grid instead (see tool.ejs). */
#tool-root.tool-image-resizer,
#tool-root.tool-crop-image {
  grid-template-columns: 390px 1fr;
}

#tool-root.tool-image-converter,
#tool-root.tool-heic-to-jpg,
#tool-root.tool-svg-to-png,
#tool-root.tool-add-watermark,
#tool-root.tool-add-page-numbers {
  grid-template-columns: 420px 1fr;
}

#tool-root.tool-qr-code-generator {
  grid-template-columns: 1.05fr 0.95fr;
}

#tool-root.tool-favicon-generator,
#tool-root.tool-social-media-image-sizes {
  grid-template-columns: 360px 1fr;
}

@media (max-width: 900px) {
  #tool-root.tool-image-resizer,
  #tool-root.tool-crop-image,
  #tool-root.tool-image-converter,
  #tool-root.tool-heic-to-jpg,
  #tool-root.tool-svg-to-png,
  #tool-root.tool-add-watermark,
  #tool-root.tool-add-page-numbers,
  #tool-root.tool-qr-code-generator,
  #tool-root.tool-favicon-generator,
  #tool-root.tool-social-media-image-sizes {
    grid-template-columns: 1fr;
  }
}

/* Compressor workspace: dropzone / selected-file / settings, 3 columns */
.compress-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr 1.55fr;
  gap: 18px;
  align-items: stretch;
}

@media (max-width: 1150px) {
  .compress-workspace {
    grid-template-columns: 1fr 1fr;
  }

  .compress-workspace > .compress-settings {
    grid-column: span 2;
  }
}

@media (max-width: 820px) {
  .compress-workspace {
    grid-template-columns: 1fr;
  }

  .compress-workspace > .compress-settings {
    grid-column: auto;
  }
}

/* Before/after comparison (converter/HEIC-to-JPEG result rendering) */
.before-after {
  display: grid;
  grid-template-columns: 1fr 50px 1fr;
  align-items: center;
  gap: 10px;
}

@media (max-width: 640px) {
  .before-after {
    grid-template-columns: 1fr;
  }

  .arrow-bubble {
    transform: rotate(90deg);
    margin: auto;
  }
}

.preview-col h3 {
  font-size: 15px;
}

.preview-col img {
  aspect-ratio: 1.75 / 1;
  object-fit: cover;
  border-radius: 12px;
}

.arrow-bubble {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 24px;
  color: var(--color-accent-strong);
}

.file-stats {
  padding: 10px 12px;
  margin-top: 9px;
  font-size: 12px;
}

.file-stats div {
  display: flex;
  justify-content: space-between;
}

.success-strip {
  margin-top: 14px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-success);
  font-size: 13px;
  font-weight: 650;
}

/* Result comparison grid (compressor/metadata-remover result rendering) */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 260px;
  gap: 16px;
}

@media (max-width: 1150px) {
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }

  .compare-grid > .result-summary {
    grid-column: span 2;
  }
}

@media (max-width: 820px) {
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .compare-grid > .result-summary {
    grid-column: auto;
  }
}

.compare-card {
  padding: 10px;
}

.compare-card h3 {
  font-size: 13px;
  margin: 0 0 7px;
  color: var(--color-text-muted);
}

.compare-card img {
  width: 100%;
  aspect-ratio: 2.35 / 1;
  object-fit: cover;
  border-radius: 10px;
}

.result-summary {
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.donut {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 15px;
  display: grid;
  place-items: center;
  position: relative;
}

.donut::after {
  content: '';
  position: absolute;
  inset: 10px;
  background: var(--color-surface);
  border-radius: 50%;
}

.donut-value {
  z-index: 1;
  text-align: center;
  color: var(--color-success);
  font-size: 21px;
  font-weight: 750;
}

.donut-value small {
  display: block;
  font-size: 11px;
  color: var(--color-text-muted);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
  padding: 12px 50px 30px;
}

@media (max-width: 1150px) {
  .hero {
    gap: 30px;
    padding-inline: 20px;
  }
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    padding-inline: 0;
    gap: 22px;
  }
}

/* Footer */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: 30px;
  padding: 20px 26px 12px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(6, 1fr);
  gap: 30px;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand .brand {
  font-size: 22px;
}

.footer-brand .brand img {
  width: 36px;
  height: 36px;
}

.site-footer p {
  font-size: 12px;
  color: var(--color-text-muted);
}

.site-footer h3 {
  font-size: 13px;
  color: var(--color-accent-strong);
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 12px;
}

.copyright {
  text-align: center;
  margin-top: 15px;
  padding-top: 12px;
  border-top: 1px solid rgba(215, 226, 240, 0.7);
  font-size: 12px;
  color: var(--color-text-subtle);
}

.privacy-page-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 28px;
}

@media (max-width: 900px) {
  .privacy-page-grid {
    grid-template-columns: 1fr;
  }
}

.privacy-art {
  padding: 30px;
  position: sticky;
  top: 110px;
  height: max-content;
  text-align: center;
}

@media (max-width: 900px) {
  .privacy-art {
    position: static;
  }
}

.privacy-art img {
  width: 220px;
  margin-inline: auto;
}

.privacy-content {
  padding: 30px;
}

.privacy-content h2 {
  font-size: 27px;
  margin-top: 26px;
}

.privacy-content h2:first-child {
  margin-top: 0;
}

.privacy-content p,
.privacy-content li {
  color: var(--color-text-muted);
}

.privacy-content code {
  background: #e4f0fa;
  padding: 2px 6px;
  border-radius: 5px;
  color: var(--color-accent-strong);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent-strong);
  margin-bottom: 17px;
}

.breadcrumb span {
  color: var(--color-text-subtle);
}

@media (max-width: 520px) {
  /* German category/tool names run longer than English and can push the
     breadcrumb past the viewport width without wrapping (e.g. "Startseite
     › Text- & Daten-Tools › Groß-/Kleinschreibung" on a 390px screen). */
  .breadcrumb {
    flex-wrap: wrap;
    row-gap: 4px;
  }
}