/* ============================================
   RESPONSIVE STYLESHEET FOR KOOR WEBSITE
   Mobile-first approach
   ============================================ */

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

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
  padding: 1rem;
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  background-color: white;
  border-bottom: 2px solid #ddd;
  padding: 1rem;
  margin-bottom: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.site-header-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.header-logo {
  height: 2.5rem;
  width: auto;
  flex-shrink: 0;
}

.header-title {
  font-size: 1.75rem;
  font-weight: bold;
  color: #222;
  margin: 0;
  line-height: 1;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  line-height: 1.2;
  color: #222;
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

h4 {
  font-size: 1.1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

strong {
  font-weight: 600;
}

/* ============================================
   CONTAINER & MAIN LAYOUT
   ============================================ */

main, .main-content {
  max-width: 900px;
  margin: 0 auto;
  background-color: white;
  padding: 1.5rem;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* ============================================
   DETAILS / SUMMARY ELEMENTS
   ============================================ */

details {
  margin-bottom: 1.5rem;
  border: 1px solid #ddd;
  padding: 0.5rem;
  border-radius: 4px;
  background-color: #fafafa;
}

details + details {
  margin-top: 0.5rem;
}

summary {
  cursor: pointer;
  user-select: none;
  padding: 0.1rem 0.5rem;
  margin: -0.25rem -0.5rem;
  display: flex;
  align-items: center;
}

summary:hover {
  background-color: #f0f0f0;
  border-radius: 4px;
}

details[open] {
  background-color: #fff;
}

details[open] > summary {
  margin-bottom: 0.5rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid #eee;
}

/* ============================================
   IMAGES
   ============================================ */

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1rem 0;
  border-radius: 4px;
}

figure {
  margin: 1.5rem 0;
  text-align: center;
}

figcaption {
  font-size: 0.9rem;
  color: #666;
  margin-top: 0.5rem;
}

/* ============================================
   MEDIA / IFRAMES
   ============================================ */

iframe, video {
  max-width: 100%;
  height: auto;
  margin: 1rem 0;
  border-radius: 4px;
  aspect-ratio: 16 / 9;
}

/* PDF viewer specific */
iframe[src*="pdfjs"],
iframe[src*="pdf"] {
  min-height: 600px;
}

@media (max-width: 640px) {
  iframe[src*="pdfjs"],
  iframe[src*="pdf"] {
    min-height: 400px;
  }
}

/* ============================================
   AUDIO CONTROLS
   ============================================ */

audio {
  display: block;
  width: 100%;
  margin: 0.5rem 0;
  margin-bottom: 1rem;
  border-radius: 4px;
}

button {
  background-color: #0066cc;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #0052a3;
}

button:active {
  transform: scale(0.98);
}

/* ============================================
   LISTS
   ============================================ */

ul, ol {
  margin: 1rem 0 1rem 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* ============================================
   TABLES
   ============================================ */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

thead {
  background-color: #f5f5f5;
}

th {
  padding: 0.75rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid #ddd;
}

td {
  padding: 0.75rem;
  border-bottom: 1px solid #ddd;
}

tbody tr:hover {
  background-color: #f9f9f9;
}

/* ============================================
   CODE BLOCKS
   ============================================ */

code {
  background-color: #f5f5f5;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
}

pre {
  background-color: #f5f5f5;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1rem 0;
  border-left: 4px solid #0066cc;
}

pre code {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
}

/* ============================================
   BLOCKQUOTES
   ============================================ */

blockquote {
  border-left: 4px solid #0066cc;
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: #666;
  font-style: italic;
}

/* ============================================
   FORMS & INPUTS
   ============================================ */

input, textarea, select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  margin-bottom: 1rem;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #0066cc;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

/* ============================================
   NAVIGATION
   ============================================ */

nav {
  margin-bottom: 2rem;
  background-color: white;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

nav a {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: #f0f0f0;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

nav a:hover {
  background-color: #0066cc;
  color: white;
  text-decoration: none;
}

/* ============================================
   RESPONSIVE GRID/FLEXBOX CONTAINERS
   ============================================ */

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.flex-item {
  flex: 1;
  min-width: 250px;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  html {
    font-size: 16px;
  }

  body {
    padding: 1.5rem;
  }

  .site-header {
    padding: 1.25rem;
    margin-bottom: 2.5rem;
  }

  .header-logo {
    height: 3rem;
  }

  .header-title {
    font-size: 2rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  main, .main-content {
    padding: 2rem;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  html {
    font-size: 17px;
  }

  body {
    padding: 2rem;
  }

  .site-header {
    padding: 1.5rem;
    margin-bottom: 3rem;
  }

  .header-logo {
    height: 3.5rem;
  }

  .header-title {
    font-size: 2.25rem;
  }

  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.875rem;
  }

  .grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  }

  main, .main-content {
    padding: 2.5rem;
  }

  nav ul {
    flex-wrap: nowrap;
    justify-content: flex-start;
  }

  .flex-item {
    min-width: 300px;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  html {
    font-size: 18px;
  }

  body {
    padding: 2rem;
  }

  .site-header {
    padding: 2rem;
    margin-bottom: 3rem;
  }

  .header-logo {
    height: 4rem;
  }

  .header-title {
    font-size: 2.5rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  .grid {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  }

  main, .main-content {
    padding: 3rem;
  }

  .flex-item {
    min-width: 350px;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  html {
    font-size: 18px;
  }

  body {
    padding: 3rem;
  }

  .site-header {
    padding: 2rem;
    margin-bottom: 4rem;
  }

  .header-logo {
    height: 4.5rem;
  }

  .header-title {
    font-size: 2.75rem;
  }

  h1 {
    font-size: 2.75rem;
  }

  .grid {
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  }

  main, .main-content {
    padding: 3rem;
  }
}

/* ============================================
   SITE-SPECIFIC STYLES
   ============================================ */

/* Page layout */
.page-header {
  margin-bottom: 2rem;
  border-bottom: 2px solid #0066cc;
  padding-bottom: 1rem;
}

.page-content {
  line-height: 1.8;
}

.page-article {
  background-color: white;
  border-radius: 4px;
}

/* Pages list grid */
.pages-list {
  margin-top: 2rem;
}

.pages-list ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.grid-item {
  margin-bottom: 0;
}

.page-link {
  display: block;
  padding: 1rem;
  background-color: #f5f5f5;
  border-radius: 4px;
  transition: all 0.2s ease;
  border-left: 4px solid transparent;
}

.page-link:hover {
  background-color: #e8f2ff;
  border-left-color: #0066cc;
  text-decoration: none;
}

/* Koor group and item */
.koor-group {
  margin-bottom: 0.5rem;
}

.koor-group details {
  margin-bottom: 0;
  background-color: #fafafa;
}

.koor-group summary:hover {
  background-color: #e8f2ff;
}

.koor-group-content {
  margin-top: 0.5rem;
}

.koor-item {
  margin-bottom: 0.5rem;
  border: 1px solid #e0e0e0;
}

.koor-item-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.koor-item-image {
  margin: 0;
}

.koor-item-image img {
  margin: 0;
  width: 100%;
  height: auto;
}

.koor-item-external-link {
  padding: 0.5rem;
  background-color: #f0f7ff;
  border-left: 4px solid #0066cc;
  border-radius: 4px;
}

.koor-item-external-link a {
  font-weight: 500;
  display: inline-block;
}

.koor-item-pdf {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
}

.koor-item-pdf iframe {
  margin: 0;
  border-radius: 0;
  width: 100%;
  height: 800px;
}

.koor-item-audio {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.audio-selector p {
  margin: 0 0 0.5rem 0;
  font-weight: 500;
  font-size: 0.95rem;
}

.audio-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  justify-content: center;
  max-width: 100%;
}

.audio-select-btn {
  background-color: #f0f0f0;
  color: #333;
  border: 2px solid #ddd;
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 55px;
  text-align: center;
}

.audio-select-btn:hover {
  background-color: #e0e0e0;
  border-color: #bbb;
}

.audio-select-btn.active {
  background-color: #0066cc;
  color: white;
  border-color: #0052a3;
}

.audio-player {
  background-color: #f9f9f9;
  padding: 0.6rem;
  border-radius: 4px;
  border-left: 3px solid #0066cc;
}

.audio-player audio {
  width: 100%;
  margin: 0;
}

.site-footer {
  margin-top: 2rem;
  padding: 1.5rem 1.5rem 1rem;
  background-color: #f4f6fb;
  border-top: 1px solid #dde2ec;
}

.site-footer-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: #5a6170;
  font-size: 0.95rem;
}

.footer-main {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.site-footer-updated {
  color: #414b62;
  font-weight: 500;
  margin: 0;
  white-space: nowrap;
}

.pdf-viewer {
  width: 100%;
  overflow: hidden;
  border-radius: 4px;
}

.pdf-viewer iframe {
  border-radius: 0;
}

/* Shortcode specific styles */
.shortcode-img {
  margin: 1.5rem 0;
  text-align: center;
}

.shortcode-img img {
  max-width: 100%;
  height: auto;
  display: inline-block;
  margin: 0;
}

.shortcode-img figcaption {
  font-size: 0.9rem;
  color: #666;
  margin-top: 0.5rem;
}

.included-markdown {
  margin-bottom: 1rem;
}

.included-markdown p {
  margin-bottom: 1rem;
}

/* ============================================
   RESPONSIVE IMPROVEMENTS FOR SPECIFIC ELEMENTS
   ============================================ */

/* Mobile-first: smaller font and spacing */
@media (max-width: 575px) {
  body {
    font-size: 14px;
    line-height: 1.5;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  main, .main-content {
    padding: 1rem;
    margin: 0;
  }

  button {
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
  }

  .audio-controls button {
    min-width: 100px;
  }

  details {
    padding: 0.375rem;
  }

  .koor-item-pdf iframe {
    min-height: 300px;
    width: 100%;
  }

  table {
    font-size: 0.85rem;
  }

  th, td {
    padding: 0.5rem;
  }

  nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }

  nav a {
    display: block;
    width: 100%;
  }

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

  .flex {
    flex-direction: column;
  }

  .flex-item {
    min-width: 100%;
  }

  .page-link {
    padding: 0.75rem;
  }

  .footer-main {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .site-footer-updated {
    font-size: 0.9rem;
  }

  .audio-buttons {
    gap: 0.375rem;
    justify-content: center;
  }

  .audio-select-btn {
    padding: 0.5rem 0.625rem;
    font-size: 0.85rem;
    min-width: 50px;
    text-align: center;
  }
}

/* Tablet improvements (576px - 991px) */
@media (min-width: 576px) {
  .koor-item-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .koor-item-image {
    grid-column: 1 / -1;
  }

  .audio-controls button {
    flex: 1;
    min-width: auto;
  }
}

@media (min-width: 768px) {
  /* Two column layout for larger screens */
  .koor-item-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .koor-item-image {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .koor-item-pdf {
    grid-column: 1 / -1;
  }

  .koor-item-audio {
    grid-column: 1 / -1;
  }

  .audio-buttons {
    gap: 0.75rem;
    justify-content: center;
  }

  .audio-select-btn {
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    text-align: center;
  }

  .koor-item-pdf iframe {
    min-height: 700px;
    width: 100%;
  }

  .page-link {
    padding: 1rem 1.5rem;
  }
}

@media (min-width: 992px) {
  body {
    font-size: 16px;
  }

  main, .main-content {
    padding: 3rem;
  }

  .koor-item-content {
    grid-template-columns: 1fr 1.5fr;
    gap: 2.5rem;
  }

  .koor-item-image {
    grid-column: 1 / -1;
    grid-row: 1 / 3;
  }

  .koor-item-external-link {
    grid-column: 1;
  }

  .koor-item-pdf {
    grid-column: 2;
    grid-row: 1;
  }

  .koor-item-audio {
    grid-column: 1 / -1;
  }

  .audio-buttons {
    gap: 0.75rem;
    justify-content: center;
  }

  .audio-select-btn {
    padding: 0.6rem 1rem;
    min-width: 65px;
    text-align: center;
  }

  .koor-item-pdf iframe {
    min-height: 800px;
    width: 100%;
  }
}

@media (min-width: 1200px) {
  main, .main-content {
    padding: 3rem;
  }

  .koor-item-content {
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
  }

  .audio-buttons {
    gap: 1rem;
    justify-content: center;
  }

  .koor-item-pdf iframe {
    min-height: 900px;
    width: 100%;
  }
}

/* ============================================
   TOUCH-FRIENDLY ADJUSTMENTS
   ============================================ */

/* Increase touch targets on mobile */
@media (hover: none) and (pointer: coarse) {
  button,
  a,
  summary {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  button {
    padding: 0.75rem 1rem;
  }

  .page-link {
    padding: 1rem;
  }
}

/* Reduce animations on reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #1a1a1a;
    color: #e0e0e0;
  }

  main, .main-content {
    background-color: #2a2a2a;
    color: #e0e0e0;
  }

  h1, h2, h3, h4, h5, h6 {
    color: #f0f0f0;
  }

  details {
    background-color: #333;
    border-color: #444;
  }

  details[open] {
    background-color: #2a2a2a;
  }

  summary:hover {
    background-color: #3a3a3a;
  }

  input, textarea, select {
    background-color: #333;
    border-color: #444;
    color: #e0e0e0;
  }

  code {
    background-color: #333;
    color: #e0e0e0;
  }

  pre {
    background-color: #333;
    border-left-color: #0099ff;
  }

  blockquote {
    border-left-color: #0099ff;
    color: #b0b0b0;
  }

  .koor-group details {
    background-color: #333;
  }

  .koor-item {
    border-color: #444;
  }

  .koor-item-external-link {
    background-color: #2d3d4d;
    border-left-color: #0099ff;
  }

  .audio-group {
    background-color: #333;
    border-left-color: #0099ff;
  }

  .page-link {
    background-color: #333;
  }

  .page-link:hover {
    background-color: #0052a3;
  }

  a {
    color: #66b3ff;
  }

  a:hover {
    color: #99ccff;
  }

  nav a {
    background-color: #333;
  }

  nav a:hover {
    background-color: #0099ff;
  }

  .page-header {
    border-bottom-color: #0099ff;
  }
}