/* Base16 Tomorrow Colors */
:root {
  --base00: #ffffff;
  --base01: #e0e0e0;
  --base02: #d6d6d6;
  --base03: #8e908c;
  --base04: #969896;
  --base05: #4d4d4c;
  --base06: #282a2e;
  --base07: #1d1f21;
  --base08: #c82829;
  --base0B: #718c00;
  --base0D: #4271ae;

  --font-body: "Merriweather", Georgia, "Times New Roman", serif;
  --font-ui: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --base00: #1d1f21;
  --base01: #282a2e;
  --base02: #373b41;
  --base03: #969896;
  --base04: #b4b7b4;
  --base05: #c5c8c6;
  --base06: #e0e0e0;
  --base07: #ffffff;
}

/* Base styles */
body {
  font-family: var(--font-ui);
  background-color: var(--base00);
  color: var(--base05);
  line-height: 1.6;
  transition: background-color 200ms, color 200ms;
}

/* Custom utility classes for Base16 colors */
.bg-base-00 { background-color: var(--base00); }
.bg-base-01 { background-color: var(--base01); }
.text-base-03 { color: var(--base03); }
.text-base-05 { color: var(--base05); }
.text-base-07 { color: var(--base07); }
.text-success { color: var(--base0B); }
.border-base-01 { border-color: var(--base01); }

/* Screen reader only */
.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;
}

/* Story Card */
.story-card {
  padding: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--base01);
  cursor: pointer;
  transition: background-color 200ms ease-in-out;
  border-radius: 4px;
}

.story-card:hover {
  background-color: var(--base01);
}

.story-card:focus-visible {
  outline: 2px solid var(--base0D);
  outline-offset: 2px;
}

@media (min-width: 1024px) {
  .story-card { padding: 1.25rem; }
}

.story-title {
  font-family: var(--font-ui);
  font-weight: 500;
  color: var(--base07);
  line-height: 1.3;
}

[data-theme="dark"] .story-title {
  color: var(--base05);
}

.story-preview {
  font-family: var(--font-body);
  color: var(--base05);
  line-height: 1.625;
}

[data-theme="dark"] .story-preview {
  color: var(--base04);
}

[data-theme="dark"] .story-card:hover {
  background-color: rgba(40, 42, 46, 0.5);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--base01);
  border-top-color: var(--base0D);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Theme Toggle */
.theme-toggle {
  display: block;
  width: 48px;
  height: 24px;
  position: relative;
}

.toggle-track {
  width: 100%;
  height: 100%;
  background-color: var(--base01);
  border-radius: 12px;
  position: relative;
  transition: background-color 200ms;
  display: flex;
  align-items: center;
  padding: 0 4px;
  cursor: pointer;
}

.toggle-icon {
  flex-shrink: 0;
  color: var(--base05);
  transition: opacity 200ms, transform 200ms;
}

.toggle-icon.sun {
  position: absolute;
  left: 4px;
  opacity: 1;
}

.toggle-icon.moon {
  position: absolute;
  right: 4px;
  opacity: 0;
  pointer-events: none;
}

#theme-toggle-input:checked + .toggle-track {
  background-color: var(--base02);
}

#theme-toggle-input:checked + .toggle-track .toggle-icon.sun {
  opacity: 0;
  pointer-events: none;
}

#theme-toggle-input:checked + .toggle-track .toggle-icon.moon {
  opacity: 1;
  pointer-events: auto;
}

#theme-toggle-input:focus-visible + .toggle-track {
  outline: 2px solid var(--base0D);
  outline-offset: 2px;
}

/* Retry Button */
.retry-btn {
  font-family: var(--font-ui);
  padding: 0.5rem 1.5rem;
  background-color: var(--base01);
  color: var(--base05);
  border: 1px solid var(--base02);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 200ms;
}

.retry-btn:hover {
  background-color: var(--base02);
}

.retry-btn:focus-visible {
  outline: 2px solid var(--base0D);
  outline-offset: 2px;
}

/* Stats Page */
.stat-card {
  padding: 1.25rem;
  background-color: var(--base01);
  border-radius: 8px;
}

[data-theme="dark"] .stat-card {
  background-color: rgba(40, 42, 46, 0.5);
}

/* Embed Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  backdrop-filter: blur(4px);
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background-color: var(--base00);
  border: 1px solid var(--base01);
  border-radius: 12px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--base01);
}

.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--base03);
  cursor: pointer;
  border-radius: 6px;
  transition: background-color 200ms, color 200ms;
}

.modal-close:hover {
  background-color: var(--base01);
  color: var(--base05);
}

.modal-body {
  padding: 1.5rem;
}

.embed-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.embed-option {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.embed-option:last-child {
  grid-column: 1 / -1;
}

.embed-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--base05);
}

.embed-input-group {
  display: flex;
  gap: 0.5rem;
}

.embed-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  background-color: var(--base00);
  border: 1px solid var(--base01);
  border-radius: 6px;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--base05);
  transition: border-color 200ms;
}

.embed-input:focus {
  outline: none;
  border-color: var(--base0D);
}

.embed-select {
  padding: 0.5rem 0.75rem;
  background-color: var(--base00);
  border: 1px solid var(--base01);
  border-radius: 6px;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--base05);
  cursor: pointer;
  transition: border-color 200ms;
}

.embed-select:focus {
  outline: none;
  border-color: var(--base0D);
}

.embed-select-full {
  width: 100%;
}

.embed-preview-section {
  margin-bottom: 1.5rem;
}

.embed-preview {
  margin-top: 0.5rem;
  border: 1px solid var(--base01);
  overflow: hidden;
  background-color: var(--base01);
  height: 200px;
}

.embed-preview iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.embed-code-section {
  margin-bottom: 0;
}

.embed-code-wrapper {
  margin-top: 0.5rem;
  position: relative;
  background-color: var(--base01);
  border-radius: 8px;
  padding: 1rem;
  padding-right: 5rem;
}

.embed-code {
  display: block;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 0.75rem;
  color: var(--base05);
  word-break: break-all;
  white-space: pre-wrap;
  line-height: 1.5;
}

.embed-copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background-color: var(--base00);
  border: 1px solid var(--base02);
  border-radius: 6px;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--base05);
  cursor: pointer;
  transition: background-color 200ms, border-color 200ms;
}

.embed-copy-btn:hover {
  background-color: var(--base02);
}

.embed-copy-btn.copied {
  color: var(--base0B);
  border-color: var(--base0B);
}

.embed-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--base05);
  cursor: pointer;
  user-select: none;
}

.embed-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--base0D);
}

.embed-checkbox:focus {
  outline: 2px solid var(--base0D);
  outline-offset: 2px;
}

/* Dark mode modal adjustments */
[data-theme="dark"] .modal-content {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .embed-input,
[data-theme="dark"] .embed-select {
  background-color: var(--base01);
}

[data-theme="dark"] .embed-code-wrapper {
  background-color: rgba(40, 42, 46, 0.8);
}

[data-theme="dark"] .embed-preview {
  background-color: rgba(40, 42, 46, 0.5);
}

/* Hamburger Menu Toggle */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  color: var(--base03);
  cursor: pointer;
  border-radius: 8px;
  transition: background-color 200ms, color 200ms;
}

.menu-toggle:hover {
  background-color: var(--base01);
  color: var(--base05);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--base0D);
  outline-offset: 2px;
}

/* Menu Overlay */
.menu-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 1;
  transition: opacity 200ms ease-out;
  backdrop-filter: blur(2px);
}

.menu-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Menu Panel */
.menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  max-width: 85vw;
  height: 100vh;
  background-color: var(--base00);
  border-left: 1px solid var(--base01);
  z-index: 999;
  transform: translateX(100%);
  transition: transform 250ms ease-out;
  display: flex;
  flex-direction: column;
}

.menu-panel.open {
  transform: translateX(0);
}

.menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--base01);
}

.menu-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--base03);
  cursor: pointer;
  border-radius: 6px;
  transition: background-color 200ms, color 200ms;
}

.menu-close:hover {
  background-color: var(--base01);
  color: var(--base05);
}

.menu-close:focus-visible {
  outline: 2px solid var(--base0D);
  outline-offset: 2px;
}

.menu-items {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  color: var(--base05);
  text-decoration: none;
  border: none;
  background: none;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 200ms, color 200ms;
  width: 100%;
  text-align: left;
}

.menu-item:hover {
  background-color: var(--base01);
}

.menu-item:focus-visible {
  outline: 2px solid var(--base0D);
  outline-offset: -2px;
}

.menu-item svg {
  color: var(--base03);
  flex-shrink: 0;
}

.menu-item:hover svg {
  color: var(--base05);
}

.menu-theme-item {
  justify-content: space-between;
  cursor: default;
}

.menu-theme-item:hover {
  background-color: transparent;
}

.menu-theme-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-theme-label svg {
  color: var(--base03);
}

[data-theme="dark"] .menu-panel {
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.3);
}

/* Get Data Modal */
.data-intro p {
  line-height: 1.6;
}

.data-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.data-link-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background-color: var(--base01);
  border-radius: 8px;
  text-decoration: none;
  color: var(--base05);
  transition: background-color 200ms, transform 100ms;
}

.data-link-item:hover {
  background-color: var(--base02);
  transform: translateX(2px);
}

.data-link-item:focus-visible {
  outline: 2px solid var(--base0D);
  outline-offset: 2px;
}

.data-link-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--base00);
  border-radius: 8px;
  flex-shrink: 0;
}

.data-link-icon svg {
  color: var(--base0D);
}

.data-link-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.data-link-title {
  font-weight: 500;
  color: var(--base05);
}

.data-link-url {
  font-size: 0.75rem;
  color: var(--base03);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-link-arrow {
  flex-shrink: 0;
  color: var(--base03);
  transition: color 200ms, transform 200ms;
}

.data-link-item:hover .data-link-arrow {
  color: var(--base05);
  transform: translate(2px, -2px);
}

[data-theme="dark"] .data-link-item {
  background-color: rgba(40, 42, 46, 0.5);
}

[data-theme="dark"] .data-link-item:hover {
  background-color: rgba(55, 59, 65, 0.8);
}

[data-theme="dark"] .data-link-icon {
  background-color: var(--base01);
}
/* About Modal - larger size */
.modal-content-large {
  max-width: 640px;
}

/* About content prose styles */
.about-content {
  font-family: var(--font-body);
  line-height: 1.7;
}

.about-content h2 {
  font-family: var(--font-ui);
  font-size: 1.5rem;
  font-weight: 500;
  margin: 0 0 1rem 0;
  color: var(--base07);
}

[data-theme="dark"] .about-content h2 {
  color: var(--base05);
}

.about-content h3 {
  font-family: var(--font-ui);
  font-size: 1.125rem;
  font-weight: 500;
  margin: 1.5rem 0 0.75rem 0;
  color: var(--base07);
}

[data-theme="dark"] .about-content h3 {
  color: var(--base05);
}

.about-content h4 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 500;
  margin: 1.25rem 0 0.5rem 0;
  color: var(--base07);
}

[data-theme="dark"] .about-content h4 {
  color: var(--base05);
}

.about-content p {
  margin: 0 0 1rem 0;
  color: var(--base05);
}

[data-theme="dark"] .about-content p {
  color: var(--base04);
}

.about-content ul {
  margin: 0 0 1rem 0;
  padding-left: 1.25rem;
  list-style: none;
}

.about-content li {
  position: relative;
  margin-bottom: 0.5rem;
  color: var(--base05);
}

[data-theme="dark"] .about-content li {
  color: var(--base04);
}

.about-content li::before {
  content: '△';
  position: absolute;
  left: -1.25rem;
  color: var(--base0B);
  font-size: 0.75rem;
}

.about-content strong {
  font-weight: 600;
  color: var(--base07);
}

[data-theme="dark"] .about-content strong {
  color: var(--base05);
}

.about-content em {
  font-style: italic;
}

.about-content a {
  color: var(--base0D);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.about-content a:hover {
  color: var(--base0B);
}

.about-content hr {
  border: none;
  border-top: 1px solid var(--base01);
  margin: 1.5rem 0;
}