/*
 * This is a manifest file that'll be compiled into application.css, which will include all the files
 * listed below.
 *
 * Any CSS (and SCSS, if configured) file within this directory, lib/assets/stylesheets, or any plugin's
 * vendor/assets/stylesheets directory can be referenced here using a relative path.
 *
 * You're free to add application-wide styles to this file and they'll appear at the bottom of the
 * compiled file so the styles you add here take precedence over styles defined in any other CSS
 * files in this directory. Styles in this file should be added after the last require_* statement.
 * It is generally better to create a new file per style scope.
 *


 */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors - Gray Scale */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Colors - Blue */
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;

  /* Colors - Green */
  --green-50: #f0fdf4;
  --green-400: #4ade80;
  --green-600: #16a34a;
  --green-700: #15803d;

  /* Colors - Red */
  --red-50: #fef2f2;
  --red-400: #f87171;
  --red-600: #dc2626;
  --red-700: #b91c1c;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;

  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

body {
  background-color: var(--gray-50);
  color: var(--gray-900);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  margin: 0;
  padding: 0;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-4);
}

.page-container {
  max-width: 1152px;
  margin-left: auto;
  margin-right: auto;
}

.page-container-narrow {
  max-width: 896px;
  margin-left: auto;
  margin-right: auto;
}

.page-container-wide {
  max-width: 1536px;
  margin-left: auto;
  margin-right: auto;
}

.main-content {
  padding-top: var(--spacing-8);
  padding-bottom: var(--spacing-8);
}

/* Navigation */
.nav-bar {
  background-color: white;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--gray-200);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
}

.nav-link {
  font-size: var(--font-size-base);
  color: var(--gray-700);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--gray-900);
}

.nav-link-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-900);
  text-decoration: none;
}

.nav-link-small {
  font-size: var(--font-size-sm);
}

.nav-link-primary {
  color: var(--blue-600);
}

.nav-link-primary:hover {
  color: var(--blue-800);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

/* Typography */
.page-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-6);
}

.item-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
}

.body-text {
  font-size: var(--font-size-base);
  color: var(--gray-900);
}

.text-muted {
  color: var(--gray-600);
}

.text-small {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.text-xs {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

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

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.2s;
  line-height: 1.5;
  box-sizing: border-box;
  vertical-align: middle;
}

.btn-primary {
  background-color: var(--blue-600);
  color: white;
}

.btn-primary:hover {
  background-color: var(--blue-700);
}

.btn-secondary {
  background-color: var(--gray-200);
  color: var(--gray-800);
}

.btn-secondary:hover {
  background-color: var(--gray-300);
}

.btn-danger {
  background-color: var(--red-600);
  color: white;
}

.btn-danger:hover {
  background-color: var(--red-700);
}

.btn-success {
  background-color: var(--green-600);
  color: white;
}

.btn-success:hover {
  background-color: var(--green-700);
}

.btn-small {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
}

/* Ensure button_to forms and their submit buttons match link_to button heights */
form.button_to {
  display: inline-block;
  margin: 0;
  padding: 0;
  vertical-align: middle;
  line-height: 0;
}

form.button_to input[type="submit"] {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background-color 0.2s;
  line-height: 1.5;
  box-sizing: border-box;
  vertical-align: middle;
  font-family: inherit;
}

.btn-full-width {
  width: 100%;
}

.btn-equal-width {
  flex: 1 1 0;
  min-width: 0;
  text-align: center;
}

.feed-actions {
  display: flex;
  gap: var(--spacing-2);
  min-width: 0;
  align-items: center;
}

.feed-actions > * {
  flex: 1 1 0;
  min-width: 0;
}

.feed-actions form {
  flex: 1 1 0;
  min-width: 0;
}

.feed-actions form input[type="submit"],
.feed-actions .btn {
  width: 100%;
  text-align: center;
}

/* Cards */
.card {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-md);
}

.card-body {
  padding: var(--spacing-8);
}

.card-divided {
  background-color: white;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-md);
}

.card-divided > * + * {
  border-top: 1px solid var(--gray-200);
}

/* Feed Items */
.feed-item {
  padding: var(--spacing-4);
  cursor: pointer;
  transition: background-color 0.2s;
}

.feed-item:hover {
  background-color: var(--gray-50);
}

.feed-item-hover:hover {
  background-color: var(--gray-50);
}

.feed-item-unread {
  background-color: var(--blue-50);
}

.feed-item-selected {
  background-color: var(--blue-100) !important;
  outline: 2px solid var(--blue-500);
  outline-offset: -2px;
}

.feed-item-selected:hover {
  background-color: var(--blue-100) !important;
}

.feed-item-selected.feed-item-unread {
  background-color: var(--blue-100) !important;
}

.feed-item-content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.feed-item-main {
  flex: 1;
}

.feed-item-actions {
  margin-left: var(--spacing-4);
  display: flex;
  gap: var(--spacing-2);
}

.feed-item-header {
  display: flex;
  align-items: flex-start;
  flex-wrap: nowrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.feed-item[data-preview-open="true"] .feed-item-summary {
  display: none;
}
.feed-item-unread-indicator {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  min-width: 0.5rem;
  background-color: var(--blue-600);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.5rem;
}

.feed-item-header .item-title {
  flex: 1;
  margin: 0;
  min-width: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.feed-item-title-link {
  color: var(--gray-900);
  text-decoration: none;
  transition: color 0.2s;
}

.feed-item-title-link:hover {
  color: var(--blue-600);
}

.feed-item-meta {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  margin-bottom: var(--spacing-2);
}

.feed-item-meta-separator {
  margin-left: var(--spacing-2);
  margin-right: var(--spacing-2);
}

.feed-item-summary {
  color: var(--gray-700);
  font-size: var(--font-size-sm);
}

/* Alerts */
.alert {
  padding: var(--spacing-4);
  border-left: 4px solid;
}

.alert-success {
  background-color: var(--green-50);
  border-color: var(--green-400);
}

.alert-success .alert-text {
  color: var(--green-700);
}

.alert-error {
  background-color: var(--red-50);
  border-color: var(--red-400);
}

.alert-error .alert-text {
  color: var(--red-700);
}

.alert-info {
  background-color: var(--blue-50);
  border-color: var(--blue-400);
}

.alert-info .alert-text {
  color: var(--blue-700);
}

.alert-warning {
  background-color: #fefce8;
  border-color: #facc15;
}

.alert-warning .alert-text {
  color: #a16207;
}

.alert-text {
  margin: 0;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-6);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-2);
}

.form-input {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-base);
  border: 1px solid var(--gray-300);
  border-radius: 0.5rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.form-checkbox {
  height: 1rem;
  width: 1rem;
  color: var(--blue-600);
  border-color: var(--gray-300);
  border-radius: 0.25rem;
}

.form-checkbox:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

/* Utilities */
.flex {
  display: flex;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-start {
  display: flex;
  align-items: flex-start;
}

.flex-1 {
  flex: 1;
}

.space-x-2 > * + * {
  margin-left: var(--spacing-2);
}

.space-x-4 > * + * {
  margin-left: var(--spacing-4);
}

.space-x-6 > * + * {
  margin-left: var(--spacing-6);
}

.space-y-2 > * + * {
  margin-top: var(--spacing-2);
}

.space-y-4 > * + * {
  margin-top: var(--spacing-4);
}

.space-y-6 > * + * {
  margin-top: var(--spacing-6);
}

.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }
.mt-16 { margin-top: var(--spacing-16); }

.ml-2 { margin-left: var(--spacing-2); }
.ml-4 { margin-left: var(--spacing-4); }

.mr-2 { margin-right: var(--spacing-2); }
.mr-4 { margin-right: var(--spacing-4); }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }
.p-12 { padding: var(--spacing-12); }

.pb-4 { padding-bottom: var(--spacing-4); }
.pb-6 { padding-bottom: var(--spacing-6); }

.pt-4 { padding-top: var(--spacing-4); }
.pt-6 { padding-top: var(--spacing-6); }

.py-16 { padding-top: var(--spacing-16); padding-bottom: var(--spacing-16); }

.w-full { width: 100%; }

.h-16 { height: 4rem; }

.cursor-pointer { cursor: pointer; }

.inline-block { display: inline-block; }

.border-t { border-top: 1px solid var(--gray-200); }
.border-b { border-bottom: 1px solid var(--gray-200); }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }

/* Grid */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.gap-8 {
  gap: var(--spacing-8);
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav {
    height: auto;
    flex-wrap: wrap;
    align-items: flex-start;
    padding-top: var(--spacing-3);
    padding-bottom: var(--spacing-3);
    gap: var(--spacing-2);
  }

  .nav-links {
    flex-wrap: wrap;
    gap: var(--spacing-3);
  }

  .nav-link-brand {
    flex-basis: 100%;
    font-size: var(--font-size-lg);
  }

  .nav-actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-3);
  }

  .page-container-wide {
    padding-left: var(--spacing-4);
    padding-right: var(--spacing-4);
  }

  .main-content {
    padding-top: var(--spacing-6);
    padding-bottom: var(--spacing-6);
  }

  .section-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
  }

  .feed-items-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  .feed-items-help {
    max-width: 28ch;
  }

  .feed-items-filters {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: var(--spacing-2);
  }

  .feed-items-divider {
    display: none;
  }

  .feed-items-filters .btn,
  .feed-items-filters form.button_to,
  .feed-items-filters form.button_to input[type="submit"] {
    width: 100%;
  }

  .feed-items-search-row {
    flex-direction: column;
    align-items: stretch;
  }

  .feed-items-search-row .btn,
  .feed-items-search-row .form-input {
    width: 100%;
  }

  .feeds-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  .feeds-header .btn {
    width: 100%;
  }

  .feed-card {
    padding: var(--spacing-4);
  }

  .feed-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  .feed-actions-mobile {
    width: 100%;
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-2);
  }

  .feed-actions-mobile .btn,
  .feed-actions-mobile form.button_to,
  .feed-actions-mobile form.button_to input[type="submit"] {
    width: 100%;
  }

  .saved-items-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  .saved-items-help {
    max-width: 28ch;
  }

  .saved-items-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: var(--spacing-2);
  }

  .saved-items-actions .btn,
  .saved-items-actions form.button_to,
  .saved-items-actions form.button_to input[type="submit"] {
    width: 100%;
  }

  .feed-item {
    padding: var(--spacing-3);
  }

  .feed-item-header {
    gap: var(--spacing-1);
  }

  .feed-item-meta {
    font-size: var(--font-size-xs);
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Line clamp utility */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Prose styling for article content */
.prose {
  color: var(--gray-900);
  max-width: 65ch;
}

.prose p + p {
  margin-top: 1.5rem;
}

.prose p {
  line-height: 1.75;
}

.prose ul, .prose ol {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

.prose li {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.prose blockquote {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  padding-left: 1rem;
  border-left: 4px solid var(--gray-200);
}

.prose h1, .prose h2, .prose h3, .prose h4, .prose h5, .prose h6 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.prose img {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.prose hr {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

/* Enhanced link styling with icons */
.prose a {
  color: var(--blue-600);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--blue-100);
  transition: all 0.2s ease;
}

.prose a:hover {
  color: var(--blue-700);
  border-bottom-color: var(--blue-400);
}

.prose sup {
  font-size: 0.75em;
  vertical-align: super;
  line-height: 1;
}

.prose sup a {
  border-bottom: none;
  padding-left: 0;
  font-weight: 600;
}

.prose a[href^="#fn"],
.prose a[href^="#fnr"] {
  font-size: 0.75em;
  vertical-align: super;
  line-height: 1;
  border-bottom: none;
}

.prose [id^="fn"] {
  font-size: 0.95em;
  line-height: 1.6;
}

.prose [id^="fn"] a[href^="#fnr"] {
  font-size: 0.85em;
  vertical-align: baseline;
  font-weight: 600;
}

.prose [id^="fn"],
.prose [id^="fnr"] {
  scroll-margin-top: 5rem;
}


/* Code block styling */
.prose pre {
  background-color: var(--gray-800);
  color: var(--gray-50);
  padding: 1.25rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.75;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--gray-700);
}

.prose pre code {
  background-color: transparent;
  color: inherit;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
  border: none;
}

/* Inline code styling */
.prose code:not(pre code) {
  background-color: var(--gray-100);
  color: var(--red-600);
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-size: 0.875em;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  border: 1px solid var(--gray-200);
}

.prose-lg {
  font-size: 1.125rem;
}

.prose-lg p {
  font-size: 1.125rem;
}

.prose-lg h1 { font-size: 2.25rem; }
.prose-lg h2 { font-size: 1.875rem; }
.prose-lg h3 { font-size: 1.5rem; }
.prose-lg h4 { font-size: 1.25rem; }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.pagination-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.pagination-page {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  background-color: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
  border-radius: 0.5rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s;
  min-width: 2.5rem;
  text-align: center;
}

.pagination-page:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
  color: var(--gray-900);
}

.pagination-page-current {
  background-color: var(--blue-600);
  color: white;
  border-color: var(--blue-600);
  font-weight: 600;
  cursor: default;
}

.pagination-page-current:hover {
  background-color: var(--blue-600);
  border-color: var(--blue-600);
  color: white;
}

.pagination-nav {
  font-weight: 500;
}

.pagination-gap {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--gray-400);
  min-width: 2.5rem;
  text-align: center;
}