/* --- Purple theme, modern, responsive, and dark mode styles --- */

:root {
  --accent: #a78bfa;
  --accent-dark: #7c3aed;
}

body {
  background: #f7f3ff;
  color: #3a225a;
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.main-content {
  max-width: 1100px;
  margin: 0.9em auto 2.5em auto;
  background: none;
  box-shadow: none;
  padding: 0 1.2rem;
}

.section-block {
  border-radius: 10px;
  box-shadow: none;
  margin-bottom: 1.5em;
  padding: 1.6em 4vw 1.2em 4vw;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(.4,0,.2,1), transform 0.7s cubic-bezier(.4,0,.2,1);
  box-sizing: border-box;
}
.section-block.visible {
  opacity: 1;
  transform: none;
}
.section-block:nth-of-type(odd) {
  background: #f3e8ff;
}
.section-block:nth-of-type(even) {
  background: #ede9fe;
}

h1, h2, h3 {
  color: #7c3aed;
  margin-top: 1.5em;
}
h1 {
  text-align: center;
  margin-bottom: 0.2em;
}

a {
  color: #7c3aed;
}
a:hover, a:focus {
  color: #5b21b6;
}

blockquote {
  color: #7c3aed;
  background: #f3e8ff;
  border-left: 4px solid #a78bfa;
  font-size: 1.1em;
  padding: 1em 1.5em;
  margin: 2em 0;
  border-radius: 8px;
}

ul, ol {
  font-size: 1.05em;
  margin-bottom: 1.5em;
}

code, pre {
  background: #ede9fe;
  color: #7c3aed;
  border-radius: 4px;
  padding: 0.2em 0.4em;
}

img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(124, 58, 237, 0.10);
  margin-bottom: 1.5em;
}

footer {
  margin-top: 2em;
  font-size: 0.9em;
  color: #a89cc8;
  text-align: center;
  border-top: 1px solid #a78bfa;
}

::selection {
  background: #e9d5ff;
  color: #3a225a;
}

@media (max-width: 800px) {
  .main-content {
    max-width: 100vw;
    padding: 0;
  }
  .section-block {
    max-width: 98vw;
    padding: 1.2em 2vw 1.2em 2vw;
  }
}

/* --- Dark mode --- */
.dark-mode body {
  background: #140c1c;
  color: #e3d8fa;
}
.dark-mode .main-content {
  color: inherit;
  background: transparent;
}
.dark-mode .section-block {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
.dark-mode .section-block:nth-of-type(odd) {
  background: rgba(255,255,255,0.02);
}
.dark-mode .section-block:nth-of-type(even) {
  background: rgba(255,255,255,0.01);
}
.dark-mode h1, .dark-mode h2, .dark-mode h3 {
  color: #c3a6fa;
}
.dark-mode a {
  color: #d8b4fe;
}
.dark-mode a:hover, .dark-mode a:focus {
  color: #fff;
}
.dark-mode blockquote {
  color: #c3a6fa;
  background: #1e1330;
  border-left: 4px solid #a78bfa;
}
.dark-mode code, .dark-mode pre {
  background: #23143a;
  color: #c3a6fa;
}
.dark-mode img {
  box-shadow: 0 4px 18px rgba(0,0,0,0.5);
}
.dark-mode footer {
  color: #a48fd6;
  border-top: 1px solid #7c3aed;
}
.dark-mode ::selection {
  background: #5b21b6;
  color: #e3d8fa;
}

/* Dark-mode refinements for banner and controls */
.dark-mode .banner-intro {
  color: #e7d9ff;
}
.dark-mode .banner-title {
  color: #f3e8ff;
}
.dark-mode .banner-lang-current {
  color: #fff;
}
.dark-mode .banner-lang-link {
  color: #d8b4fe;
}
.dark-mode .banner-lang-link:hover, .dark-mode .banner-lang-link:focus {
  color: #fff;
}
.dark-mode .download-button {
  background: #5a189a;
}
.dark-mode .download-button:hover, .dark-mode .download-button:focus, .dark-mode .download-button:active {
  background: #43106f;
  color: #fff;
}
.dark-mode .banner-image {
  box-shadow: 0 6px 28px rgba(0,0,0,0.6);
}

.banner-intro {
  color: var(--banner-intro-color, #4b1979);
}
.dark-mode .banner-intro {
  --banner-intro-color: #e0c8ff;
  color: var(--banner-intro-color, #e0c8ff);
}

/* Language selector placed in the banner */
.banner-lang {
  font-size: 0.95rem;
  color: inherit;
}

.banner-lang-current {
  font-weight: 600;
}
.banner-lang-link {
  text-decoration: none;
  color: inherit;
}
.banner-lang-link:hover, .banner-lang-link:focus {
  text-decoration: underline;
}

/* Banner layout classes */
.banner-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.banner-left {
  flex: 2;
  min-width: 180px;
}
.banner-right {
  flex: 1;
  min-width: 140px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
}
.banner-lang-wrapper {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.4rem;
}
.banner-title {
  margin-bottom: 0.05em;
  margin-top: 0;
}
.banner-cta {
  margin-top: 0.6rem;
}
.banner-image {
  width: 192px;
  height: 192px;
  border-radius: 20%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  margin-top: 18px;
}

@media (max-width: 383px) {
  .banner-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .banner-right {
    margin-top: 0.7em;
    width: 100%;
    display: flex;
    justify-content: flex-start;
  }
}

/* Download redirect page */
.download-page {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  background: #f5f5f7;
}
.download-page .message {
  text-align: center;
  padding: 2rem;
}
.download-page .message h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}
.download-page .message a {
  color: #6b21a8;
  text-decoration: none;
  font-weight: 600;
}

/* Download button styles */
.download-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent, #6b21a8);
  color: #fff;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}
.download-button img,
.download-button svg {
  width: 18px;
  height: 18px;
  display: block;
  margin: 0;
  border-radius: 0;
  box-shadow: none;
  object-fit: contain;
  align-self: center;
  vertical-align: middle;
  line-height: 0;
}
.download-button:hover {
  background: var(--accent-dark, #7c3aed);
}
.download-button:hover, .download-button:focus, .download-button:active {
  color: #fff;
}
.download-button:focus {
  outline: 3px solid rgba(123, 47, 224, 0.18);
  outline-offset: 2px;
}
@media (max-width: 480px) {
  .download-button {
    padding: 0.45rem 0.7rem;
    gap: 0.4rem;
    font-size: 0.95rem;
  }
}
/* Dark-mode variant for icon coloring (recolors white icon to purple-ish) */
.dark-mode .download-button img {
  filter: invert(1) sepia(0.6) saturate(4) hue-rotate(250deg) brightness(0.95);
}