/* GitHub Primer CSS - Custom Implementation */

:root {
  --color-canvas-default: #ffffff;
  --color-canvas-subtle: #f6f8fa;
  --color-border-default: #d0d7de;
  --color-border-muted: #d8dee4;
  --color-fg-default: #1f2328;
  --color-fg-muted: #656d76;
  --color-fg-subtle: #6e7781;
  --color-accent-fg: #0969da;
  --color-accent-emphasis: #0969da;
  --color-success-emphasis: #1a7f37;
  --color-danger-emphasis: #d1242f;
  --color-attention-emphasis: #9a6700;
  --color-btn-bg: #f6f8fa;
  --color-btn-border: rgba(31, 35, 40, 0.15);
  --color-btn-hover-bg: #f3f4f6;
  --color-btn-hover-border: rgba(31, 35, 40, 0.15);
}

[data-color-mode="dark"] {
  --color-canvas-default: #0d1117;
  --color-canvas-subtle: #161b22;
  --color-border-default: #30363d;
  --color-border-muted: #21262d;
  --color-fg-default: #e6edf3;
  --color-fg-muted: #8d96a0;
  --color-fg-subtle: #6e7681;
  --color-accent-fg: #4493f8;
  --color-accent-emphasis: #4493f8;
  --color-success-emphasis: #3fb950;
  --color-danger-emphasis: #f85149;
  --color-attention-emphasis: #d29922;
  --color-btn-bg: #21262d;
  --color-btn-border: rgba(240, 246, 252, 0.1);
  --color-btn-hover-bg: #30363d;
  --color-btn-hover-border: rgba(240, 246, 252, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-fg-default);
  background-color: var(--color-canvas-default);
  margin: 0;
  padding: 0;
}

.page-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.Header {
  display: flex;
  padding: 16px;
  background-color: var(--color-canvas-subtle);
  border-bottom: 1px solid var(--color-border-default);
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .Header {
    padding: 12px 8px;
    gap: 8px;
  }
}

.Header-item {
  display: flex;
  align-items: center;
}

.Header-item--full {
  flex: 1;
}

.Header-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-fg-default);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
}

.Header-link:hover {
  color: var(--color-accent-fg);
}

.Header-title {
  font-size: 20px;
}

@media (max-width: 768px) {
  .Header-title {
    font-size: 16px;
  }
}

.header-search {
  max-width: 500px;
  width: 100%;
}

@media (max-width: 768px) {
  .header-search {
    order: 3;
    flex-basis: 100%;
    max-width: 100%;
  }
}

/* Main Content */
.main-content {
  flex: 1;
  padding-bottom: 40px;
}

/* Container */
.container-lg {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
}

/* Mobile-only no horizontal padding variant (desktop ignores) */
.container-lg--no-pad-x {
  padding-left: 16px;
  padding-right: 16px;
}

@media (max-width: 768px) {
  .container-lg {
    padding-left: 8px;
    padding-right: 8px;
  }
  .container-lg--no-pad-x {
    padding-left: 0;
    padding-right: 0;
  }
}

/* Utility Classes */
.p-4 { padding: 24px !important; }
.mb-3 { margin-bottom: 16px !important; }
.mt-2 { margin-top: 8px !important; }
.my-3 { margin-top: 16px !important; margin-bottom: 16px !important; }
.mr-2 { margin-right: 8px !important; }
.d-flex { display: flex !important; }
.flex-items-center { align-items: center !important; }
.flex-justify-between { justify-content: space-between !important; }
.text-small { font-size: 12px !important; }
.text-secondary { color: var(--color-fg-muted) !important; }
.lead { font-size: 16px; font-weight: 400; margin-bottom: 16px; }

@media (max-width: 768px) {
  .p-4 { padding: 12px !important; }
  .mb-3 { margin-bottom: 12px !important; }
}

/* Box Component */
.Box {
  background-color: var(--color-canvas-default);
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
}

@media (max-width: 768px) {
  .Box {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}

.Box-header {
  padding: 16px;
  background-color: var(--color-canvas-subtle);
  border-bottom: 1px solid var(--color-border-default);
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
}

@media (max-width: 768px) {
  .Box-header {
    padding: 12px;
    border-radius: 0;
  }
}

.Box-header--blue {
  background-color: #0969da;
  color: #ffffff;
  border-bottom-color: #0969da;
}

[data-color-mode="dark"] .Box-header--blue {
  background-color: #1f6feb;
  border-bottom-color: #1f6feb;
}

.Box-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}

.Box-body {
  padding: 16px;
}

@media (max-width: 768px) {
  .Box-body {
    padding: 12px;
  }
}

/* Counter */
.Counter {
  display: inline-block;
  padding: 2px 6px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  color: var(--color-fg-default);
  background-color: var(--color-canvas-subtle);
  border: 1px solid var(--color-border-default);
  border-radius: 20px;
  margin-left: 8px;
}

/* Form Controls */
.form-control {
  width: 100%;
  padding: 5px 12px;
  font-size: 14px;
  line-height: 20px;
  color: var(--color-fg-default);
  background-color: var(--color-canvas-default);
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--color-accent-emphasis);
  box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.3);
}

[data-color-mode="dark"] .form-control:focus {
  box-shadow: 0 0 0 3px rgba(68, 147, 248, 0.3);
}

.form-select {
  padding: 5px 32px 5px 12px;
  font-size: 14px;
  line-height: 20px;
  color: var(--color-fg-default);
  background-color: var(--color-canvas-default);
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  outline: none;
  cursor: pointer;
}

/* Buttons */
.btn,
.btn-sm {
  position: relative;
  display: inline-block;
  padding: 5px 16px;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid;
  border-radius: 6px;
  appearance: none;
  text-decoration: none;
  text-align: center;
  color: var(--color-fg-default);
  background-color: var(--color-btn-bg);
  border-color: var(--color-btn-border);
  transition: 0.2s cubic-bezier(0.3, 0, 0.5, 1);
}

.btn:hover,
.btn-sm:hover {
  background-color: var(--color-btn-hover-bg);
  border-color: var(--color-btn-hover-border);
}

.btn-sm {
  padding: 3px 12px;
  font-size: 12px;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-icon {
  padding: 8px;
  background: transparent;
  border: none;
  color: var(--color-fg-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}

.btn-icon:hover {
  background-color: var(--color-btn-hover-bg);
  color: var(--color-fg-default);
}

.btn-primary {
  color: #ffffff;
  background-color: var(--color-accent-emphasis);
  border-color: transparent;
}

.btn-primary:hover {
  background-color: var(--color-accent-fg);
  border-color: transparent;
}

.btn-primary .octicon {
  margin-right: 6px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-fg-default);
}

.form-select {
  width: 100%;
  padding: 5px 12px;
  font-size: 14px;
  line-height: 20px;
  color: var(--color-fg-default);
  vertical-align: middle;
  background-color: var(--color-canvas-default);
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px 16px;
  border: 1px solid var(--color-border-default);
  border-radius: 6px;
  outline: none;
  box-shadow: var(--color-shadow-inset);
  appearance: none;
  background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="%23586069"><path d="M4.427 7.427l3.396 3.396a.25.25 0 00.354 0l3.396-3.396A.25.25 0 0011.396 7H4.604a.25.25 0 00-.177.427z"/></svg>');
  padding-right: 32px;
}

.form-select:focus {
  border-color: var(--color-accent-emphasis);
  outline: none;
  box-shadow: 0 0 0 3px rgba(3, 102, 214, 0.3);
}

[data-color-mode="dark"] .form-select {
  background-image: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" fill="%238b949e"><path d="M4.427 7.427l3.396 3.396a.25.25 0 00.354 0l3.396-3.396A.25.25 0 0011.396 7H4.604a.25.25 0 00-.177.427z"/></svg>');
}

/* README Toggle */
.readme-content {
  max-height: 600px;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  position: relative;
}

.readme-content.collapsed {
  max-height: 300px;
}

.readme-content.collapsed::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--color-canvas-default));
  pointer-events: none;
}

.readme-content.expanded {
  max-height: none;
}

#readmeToggle .chevron-icon {
  transition: transform 0.3s ease;
}

#readmeToggle[aria-expanded="false"] .chevron-icon {
  transform: rotate(-90deg);
}

/* Generic toggle button (used for releases too) */
.toggle-button .chevron-icon {
  transition: transform 0.3s ease;
}

.toggle-button[aria-expanded="false"] .chevron-icon {
  transform: rotate(-90deg);
}

/* Labels */
.Label {
  display: inline-block;
  padding: 0 7px;
  font-size: 12px;
  font-weight: 500;
  line-height: 18px;
  border: 1px solid transparent;
  border-radius: 20px;
  white-space: nowrap;
}

.Label--secondary {
  color: var(--color-fg-default);
  background-color: var(--color-canvas-subtle);
  border-color: var(--color-border-default);
}

.Label--success {
  color: var(--color-success-emphasis);
  border-color: var(--color-success-emphasis);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.breadcrumb ol {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  white-space: nowrap;
}

.breadcrumb-item {
  display: inline-block;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .breadcrumb-item {
    font-size: 12px;
  }
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  padding: 0 8px;
  color: var(--color-fg-muted);
}

.breadcrumb-item a {
  color: var(--color-accent-fg);
  text-decoration: none;
}

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

.breadcrumb-item-selected {
  color: var(--color-fg-default);
  font-weight: 600;
}

/* Layout */
.Layout {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.Layout-main {
  flex: 1 1 0%;
  min-width: 0;
}

.Layout-sidebar {
  width: 296px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .Layout {
    gap: 16px;
  }
  
  .Layout-sidebar {
    width: 100%;
    margin-left: 0;
  }
}

/* Module List */
.module-list {
  display: flex;
  flex-direction: column;
}

.module-item {
  display: flex;
  padding: 16px;
  border-bottom: 1px solid var(--color-border-muted);
  text-decoration: none;
  color: var(--color-fg-default);
  transition: background-color 0.2s;
  align-items: flex-start;
}

@media (max-width: 768px) {
  .module-item {
    padding: 12px 8px;
  }
}

.module-item:last-child {
  border-bottom: none;
}

.module-item:hover {
  background-color: var(--color-canvas-subtle);
}

.module-item-icon {
  margin-right: 16px;
  color: var(--color-fg-muted);
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .module-item-icon {
    margin-right: 12px;
    width: 36px;
    height: 36px;
  }
}

.module-list-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--color-border-default);
}

@media (max-width: 768px) {
  .module-list-icon {
    width: 36px;
    height: 36px;
    border-radius: 6px;
  }
}

.module-item-content {
  flex: 1;
  min-width: 0;
}

.module-item-title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 4px 0;
  color: var(--color-accent-fg);
  word-break: break-word;
}

@media (max-width: 768px) {
  .module-item-title {
    font-size: 14px;
  }
}

.module-item-description {
  font-size: 12px;
  color: var(--color-fg-muted);
  margin: 0 0 8px 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 768px) {
  .module-item-description {
    font-size: 11px;
    -webkit-line-clamp: 3;
    line-clamp: 3;
  }
}

.module-item-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* Module Metadata */
.module-metadata {
  margin: 0;
  font-size: 12px;
}

.module-metadata dt {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  margin-top: 12px;
  margin-bottom: 4px;
}

.module-metadata dt:first-child {
  margin-top: 0;
}

.module-metadata dd {
  margin: 0 0 8px 0;
}

/* Flash Messages */
.flash {
  padding: 16px;
  margin-bottom: 16px;
  border: 1px solid;
  border-radius: 6px;
}

.flash-warn {
  color: var(--color-attention-emphasis);
  background-color: rgba(154, 103, 0, 0.1);
  border-color: var(--color-attention-emphasis);
}

.flash strong {
  display: block;
  margin-bottom: 4px;
}

.flash p {
  margin: 0;
  font-size: 12px;
}

/* Octicon */
.octicon {
  display: inline-block;
  overflow: visible;
  vertical-align: text-bottom;
  fill: currentColor;
}

/* Footer */
.footer {
  padding: 24px 0;
  margin-top: 40px;
  border-top: 1px solid var(--color-border-default);
  color: var(--color-fg-muted);
  font-size: 12px;
  text-align: center;
}

/* Markdown Body - GitHub Style */
.markdown-body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

@media (max-width: 768px) {
  .markdown-body {
    font-size: 14px;
  }
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin-top: 24px;
  margin-bottom: 16px;
  font-weight: 600;
  line-height: 1.25;
}

.markdown-body h1 {
  font-size: 2em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--color-border-muted);
}

@media (max-width: 768px) {
  .markdown-body h1 {
    font-size: 1.5em;
  }
}

.markdown-body h2 {
  font-size: 1.5em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--color-border-muted);
}

@media (max-width: 768px) {
  .markdown-body h2 {
    font-size: 1.25em;
  }
}

.markdown-body h3 { font-size: 1.25em; }
.markdown-body h4 { font-size: 1em; }
.markdown-body h5 { font-size: 0.875em; }
.markdown-body h6 { font-size: 0.85em; color: var(--color-fg-muted); }

.markdown-body p {
  margin-top: 0;
  margin-bottom: 16px;
}

.markdown-body ul,
.markdown-body ol {
  margin-top: 0;
  margin-bottom: 16px;
  padding-left: 2em;
}

.markdown-body li {
  margin-bottom: 4px;
}

.markdown-body code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  background-color: var(--color-canvas-subtle);
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

.markdown-body pre {
  padding: 16px;
  overflow: auto;
  font-size: 85%;
  line-height: 1.45;
  background-color: var(--color-canvas-subtle);
  border-radius: 6px;
  margin-bottom: 16px;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .markdown-body pre {
    padding: 12px;
    font-size: 80%;
  }
}

.markdown-body pre code {
  display: inline;
  padding: 0;
  margin: 0;
  overflow: visible;
  line-height: inherit;
  word-wrap: normal;
  background-color: transparent;
  border: 0;
}

.markdown-body blockquote {
  margin: 0 0 16px 0;
  padding: 0 1em;
  color: var(--color-fg-muted);
  border-left: 0.25em solid var(--color-border-default);
}

.markdown-body table {
  border-spacing: 0;
  border-collapse: collapse;
  margin-bottom: 16px;
  width: 100%;
  overflow: auto;
  display: block;
}

@media (max-width: 768px) {
  .markdown-body table {
    font-size: 12px;
  }
}

.markdown-body table th,
.markdown-body table td {
  padding: 6px 13px;
  border: 1px solid var(--color-border-default);
}

@media (max-width: 768px) {
  .markdown-body table th,
  .markdown-body table td {
    padding: 4px 8px;
  }
}

.markdown-body table th {
  font-weight: 600;
  background-color: var(--color-canvas-subtle);
}

.markdown-body table tr {
  background-color: var(--color-canvas-default);
  border-top: 1px solid var(--color-border-default);
}

.markdown-body a {
  color: var(--color-accent-fg);
  text-decoration: none;
}

.markdown-body a:hover {
  text-decoration: underline;
}

.markdown-body img {
  max-width: 100%;
  height: auto;
}

.markdown-body hr {
  height: 0.25em;
  padding: 0;
  margin: 24px 0;
  background-color: var(--color-border-default);
  border: 0;
}

/* App Store Style Header */
.app-header-container {
  background-color: var(--color-canvas-default);
  border: 1px solid var(--color-border-default);
  border-radius: 12px;
  overflow: hidden;
}

.app-cover {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-accent-emphasis) 0%, var(--color-accent-fg) 100%);
}

.app-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-info {
  padding: 20px;
}

.app-info-main {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.app-icon {
  width: 100px;
  height: 100px;
  border-radius: 22px;
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--color-accent-emphasis) 0%, var(--color-accent-fg) 100%);
  border: 1px solid var(--color-border-default);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

[data-color-mode="dark"] .app-icon {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.app-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-icon-default {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.app-icon-default svg {
  width: 50px;
  height: 50px;
}

.app-info-text {
  flex: 1;
  min-width: 0;
}

.app-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 6px 0;
  color: var(--color-fg-default);
  line-height: 1.2;
}

.app-author {
  font-size: 14px;
  color: var(--color-accent-fg);
  margin: 0 0 12px 0;
  font-weight: 500;
}

.app-description {
  font-size: 14px;
  color: var(--color-fg-muted);
  margin: 0;
  line-height: 1.5;
}

.app-info-meta {
  display: flex;
  gap: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-muted);
  flex-wrap: wrap;
}

.app-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.app-meta-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-fg-muted);
  font-weight: 600;
}

.app-meta-value {
  font-size: 14px;
  color: var(--color-fg-default);
  font-weight: 500;
}

@media (max-width: 768px) {
  .app-header-container {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
  
  .app-cover {
    height: 150px;
  }
  
  .app-icon {
    width: 80px;
    height: 80px;
    border-radius: 18px;
  }
  
  .app-title {
    font-size: 22px;
  }
  
  .app-info-main {
    gap: 12px;
  }
  
  .app-info {
    padding: 16px 12px;
  }
  
  .app-description {
    font-size: 13px;
  }
  
  .app-info-meta {
    gap: 16px;
    padding-top: 12px;
  }
  
  .app-meta-label {
    font-size: 9px;
  }
  
  .app-meta-value {
    font-size: 13px;
  }
  
  .btn-primary {
    font-size: 14px;
    padding: 8px 16px;
  }
  
  .form-label {
    font-size: 13px;
  }
  
  .form-select {
    font-size: 13px;
  }
  
  .readme-content.collapsed {
    max-height: 200px;
  }
  
  .readme-content.collapsed::after {
    height: 80px;
  }
}