@import url('https://fonts.googleapis.com/css2?family=Lora:wght@400..700&display=swap');

:root {
  /* Palette and fonts inspired by author site */
  --background-color: #fbfbfb;
  --card-background: #ffffff;
  --text-color: #444444;
  --text-color-light: #777777;
  --link-color: #341C1C;
  --link-hover-bg: #ADFCF9;
  --button-color: #616467;
  --border-color: #dddddd;

  --border-radius-main: 8px;
  --border-radius-icon: 22px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: 'Lora', serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: #212121;
    --card-background: #2c2c2c;
    --text-color: #e0e0e0;
    --text-color-light: #999999;
    --link-color: #e8e8e8;
    --link-hover-bg: rgba(173, 252, 249, 0.2);
    --button-color: #a0a3a6;
    --border-color: #444444;
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-serif);
  margin: 0;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

header .site-name {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-color);
  z-index: 1001;
}

/* --- Mobile Navigation (Default) --- */
.nav-toggle {
  display: block;
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  z-index: 1001;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-color);
  position: relative;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.nav-toggle span::before { top: -8px; }
.nav-toggle span::after { top: 6px; }

.nav-toggle.is-active span { background-color: transparent; }
.nav-toggle.is-active span::before { transform: translateY(8px) rotate(45deg); }
.nav-toggle.is-active span::after { transform: translateY(-6px) rotate(-45deg); }

header nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--background-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 0.3s ease, visibility 0s 0.3s;
}

body.is-resizing header nav {
  transition: none;
}

header nav.is-active {
  transform: translateX(0);
  visibility: visible;
  transition: transform 0.3s ease;
}

header nav ul {
  display: flex;
  flex-direction: column;
  text-align: center;
  list-style: none;
  padding: 0;
  margin: 0;
}

header nav ul li {
  margin: 2rem 0;
}

header nav a {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-color-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

header nav a:hover,
header nav a.active {
  color: var(--text-color);
}

/* --- Desktop Navigation (Overrides) --- */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  header nav,
  header nav.is-active {
    position: static;
    transform: none;
    visibility: visible;
    width: auto;
    height: auto;
    background-color: transparent;
    z-index: auto;
  }

  header nav ul {
    flex-direction: row;
    gap: 1.5rem;
  }

  header nav ul li {
    margin: 0;
  }

  header nav a {
    font-size: 1rem;
  }
}

h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  margin: 0 0 1rem 0;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.5rem; margin-top: 3rem; }
h3 { font-size: 1.25rem; }

p {
  margin: 0 0 1rem 0;
  color: var(--text-color-light);
}

a {
  color: var(--link-color);
  text-decoration: underline;
  text-decoration-color: var(--link-hover-bg);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  transition: background-color 0.2s ease;
}

a:hover {
  background-color: var(--link-hover-bg);
  text-decoration-color: transparent;
}

/* Exclude specific components from general link hover */
.site-name:hover,
header nav a:hover,
.app-card:hover,
.download-button:hover,
.app-store-badge:hover,
.github-download-badge:hover {
  background-color: transparent;
}


/* Home Page: Filter & Grid */
.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.filter-controls button {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  background-color: transparent;
  color: var(--button-color);
  border-radius: 500px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: inset 0 0 0 2px var(--button-color);
}

.filter-controls button:hover {
  background-color: var(--button-color);
  color: var(--background-color);
}

.filter-controls button.active {
  background-color: var(--button-color);
  color: var(--background-color);
  box-shadow: none;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.app-card {
  display: flex;
  flex-direction: column;
  background-color: var(--card-background);
  border-radius: var(--border-radius-main);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--text-color);
  border: 1px solid var(--border-color);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
}

.app-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(74, 66, 59, 0.08);
  text-decoration: none;
}

@media (prefers-color-scheme: dark) {
  .app-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  }
}

.app-card-header {
  margin-bottom: 0.75rem;
}

.app-card-header img {
  width: 100px;
  height: 100px;
  border-radius: var(--border-radius-icon);
  margin: 0 auto 1rem auto;
  display: block;
}

.app-card-header h3 {
  margin: 0;
  color: var(--text-color);
}

.app-card p {
  font-size: 1rem;
  color: var(--text-color-light);
  margin-bottom: 1rem;
}

.app-card .tags {
  margin-top: auto;
}

.app-card .tags span {
  font-family: var(--font-sans);
  display: inline-block;
  background-color: var(--background-color);
  color: var(--text-color-light);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  margin-right: 0.25rem;
  margin-bottom: 0.25rem;
}

/* App Page */
.app-header {
  display: block;
  text-align: center;
  margin-bottom: 3rem;
}

.app-header .app-icon {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  margin-bottom: 1.5rem;
}

.app-header h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.app-header .tagline {
  font-size: 1.5rem;
  color: var(--text-color-light);
  margin-bottom: 2rem;
}

.download-button {
  display: inline-block;
  background-color: var(--button-color);
  color: var(--background-color);
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius-main);
  font-weight: bold;
  text-decoration: none;
  margin-bottom: 2rem;
  border: none;
  font-size: 1rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.download-button:hover {
  text-decoration: none;
  opacity: 0.8;
}

.button-group {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.app-store-badge {
  display: inline-block;
  margin-bottom: 2rem;
  transition: opacity 0.2s ease;
  text-decoration: none;
}

.app-store-badge:hover {
  text-decoration: none;
  opacity: 0.8;
}

.app-store-badge img {
  height: 56px;
  width: auto;
}

.github-download-badge {
  display: inline-flex;
  align-items: center;
  background-color: #24292e; /* GitHub brand color */
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--border-radius-main);
  text-decoration: none;
  font-family: var(--font-sans);
  transition: background-color 0.2s ease-in-out;
  margin-top: 1rem;
}
.github-download-badge:hover {
  background-color: #3f4448;
  text-decoration: none;
}
.github-download-badge svg {
  width: 32px;
  height: 32px;
  margin-right: 12px;
  fill: currentColor;
}
.github-download-badge .badge-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}
.github-download-badge .main-text {
  font-size: 1rem;
  font-weight: 600;
}
.github-download-badge .sub-text {
  font-size: 0.8rem;
  opacity: 0.8;
}

.light-badge { display: block; }
.dark-badge { display: none; }

@media (prefers-color-scheme: dark) {
  .light-badge { display: none; }
  .dark-badge { display: block; }
}

.toc {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-main);
  margin-bottom: 2rem;
}

.toc ul { list-style: none; padding: 0; margin: 0; }
.toc ul li { padding: 0.25rem 0; }

.screenshot-gallery {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  -webkit-overflow-scrolling: touch;
}

.screenshot-gallery img {
  max-height: 400px;
  border-radius: var(--border-radius-main);
  border: 1px solid var(--border-color);
}

ul.features-list {
  padding-left: 1.5rem;
}

.faq-section dt {
  font-family: var(--font-sans);
  font-weight: bold;
}

.faq-section dd {
  color: var(--text-color-light);
  margin-left: 0;
  margin-bottom: 1.5rem;
  padding-top: 0.25rem;
}

.faq-section dd:last-of-type {
  margin-bottom: 0;
}

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

.form-group label {
  display: block;
  font-family: var(--font-sans);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-color);
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-main);
  box-sizing: border-box;
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

footer {
  text-align: center;
  margin-top: 4rem;
  padding: 2rem 1rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-color-light);
  font-size: 0.9rem;
}