/* kafka — clean, minimal search engine CSS */

:root {
  --color-base: #f5f5f5;
  --color-base-font: #444;
  --color-base-background: #fff;
  --color-header-background: #f7f7f7;
  --color-header-border: #ddd;
  --color-search-border: #bbb;
  --color-search-focus: #3498db;
  --color-result-url: #1a0dab;
  --color-result-url-visited: #609;
  --color-result-content: #545454;
  --color-result-title: #1a0dab;
  --color-result-title-visited: #609;
  --color-result-engine: #666;
  --color-result-border: #eee;
  --color-link: #3498db;
  --color-link-visited: #609;
  --color-sidebar-background: #f7f7f7;
  --color-sidebar-border: #ddd;
  --color-infobox-background: #f9f9f9;
  --color-infobox-border: #ddd;
  --color-pagination-current: #3498db;
  --color-pagination-border: #ddd;
  --color-error: #c0392b;
  --color-error-background: #fdecea;
  --color-suggestion: #666;
  --color-footer: #888;
  --color-btn-background: #fff;
  --color-btn-border: #ddd;
  --color-btn-hover: #eee;
  --radius: 4px;
  --max-width: 800px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-base: #222;
    --color-base-font: #dcdcdc;
    --color-base-background: #2b2b2b;
    --color-header-background: #333;
    --color-header-border: #444;
    --color-search-border: #555;
    --color-search-focus: #5dade2;
    --color-result-url: #8ab4f8;
    --color-result-url-visited: #b39ddb;
    --color-result-content: #b0b0b0;
    --color-result-title: #8ab4f8;
    --color-result-title-visited: #b39ddb;
    --color-result-engine: #999;
    --color-result-border: #3a3a3a;
    --color-link: #5dade2;
    --color-link-visited: #b39ddb;
    --color-sidebar-background: #333;
    --color-sidebar-border: #444;
    --color-infobox-background: #333;
    --color-infobox-border: #444;
    --color-pagination-current: #5dade2;
    --color-pagination-border: #444;
    --color-error: #e74c3c;
    --color-error-background: #3b1a1a;
    --color-suggestion: #999;
    --color-footer: #666;
    --color-btn-background: #333;
    --color-btn-border: #555;
    --color-btn-hover: #444;
  }
}

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

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-base-font);
  background: var(--color-base);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 1rem;
}

footer {
  text-align: center;
  padding: 1.5rem;
  color: var(--color-footer);
  font-size: 0.85rem;
}

footer a {
  color: var(--color-link);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Index / Homepage */
.index {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
}

.index .title h1 {
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

/* Search form */
#search {
  width: 100%;
  max-width: 600px;
  margin-bottom: 2rem;
}

#search form {
  display: flex;
  gap: 0.5rem;
}

#search input[type="text"],
#q {
  flex: 1;
  padding: 0.7rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-search-border);
  border-radius: var(--radius);
  background: var(--color-base-background);
  color: var(--color-base-font);
  outline: none;
  transition: border-color 0.2s;
}

#search input[type="text"]:focus,
#q:focus {
  border-color: var(--color-search-focus);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.15);
}

#search button[type="submit"] {
  padding: 0.7rem 1.2rem;
  font-size: 1rem;
  border: 1px solid var(--color-search-border);
  border-radius: var(--radius);
  background: var(--color-btn-background);
  color: var(--color-base-font);
  cursor: pointer;
  transition: background 0.2s;
}

#search button[type="submit"]:hover {
  background: var(--color-btn-hover);
}

/* Results page search bar (compact) */
.search_on_results #search {
  max-width: 100%;
  margin-bottom: 1rem;
}

/* Results area */
#results {
  display: flex;
  gap: 1.5rem;
}

#sidebar {
  flex: 0 0 200px;
  font-size: 0.85rem;
}

#sidebar p {
  margin-bottom: 0.5rem;
}

#urls {
  flex: 1;
  min-width: 0;
}

/* Result count */
#result_count {
  margin-bottom: 1rem;
}

/* Individual result */
.result {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--color-result-border);
  word-wrap: break-word;
}

.result:last-child {
  border-bottom: none;
}

.result_header {
  margin-bottom: 0.2rem;
}

.result_header a {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-result-title);
  text-decoration: none;
}

.result_header a:visited {
  color: var(--color-result-title-visited);
}

.result_header a:hover {
  text-decoration: underline;
}

.result_url {
  font-size: 0.85rem;
  color: var(--color-result-url);
  margin-bottom: 0.2rem;
}

.result_url a {
  color: var(--color-result-url);
  text-decoration: none;
}

.result_url a:visited {
  color: var(--color-result-url-visited);
}

.result_content {
  font-size: 0.9rem;
  color: var(--color-result-content);
  max-width: 600px;
}

.result_content p {
  margin: 0;
}

.result_engine {
  font-size: 0.75rem;
  color: var(--color-result-engine);
  margin-top: 0.3rem;
}

.engine {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  background: var(--color-sidebar-background);
  border: 1px solid var(--color-sidebar-border);
  border-radius: 2px;
  font-size: 0.7rem;
  color: var(--color-result-engine);
}

/* No results */
.no_results {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-suggestion);
}

/* Suggestions */
#suggestions {
  margin-bottom: 1rem;
}

.suggestion {
  display: inline-block;
  margin: 0.2rem;
}

.suggestion a {
  display: inline-block;
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
  border: 1px solid var(--color-pagination-border);
  border-radius: var(--radius);
  color: var(--color-link);
  text-decoration: none;
  background: var(--color-btn-background);
  transition: background 0.2s;
}

.suggestion a:hover {
  background: var(--color-btn-hover);
}

/* Infoboxes */
#infoboxes {
  margin-bottom: 1rem;
}

.infobox {
  background: var(--color-infobox-background);
  border: 1px solid var(--color-infobox-border);
  border-radius: var(--radius);
  padding: 0.8rem;
  margin-bottom: 0.5rem;
}

.infobox .title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Errors */
.dialog-error {
  background: var(--color-error-background);
  color: var(--color-error);
  border: 1px solid var(--color-error);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  margin-bottom: 1rem;
}

/* Unresponsive engines */
.unresponsive_engines {
  font-size: 0.8rem;
  color: var(--color-suggestion);
  margin-top: 0.5rem;
}

.unresponsive_engines li {
  margin: 0.1rem 0;
}

/* Corrections */
.correction {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

/* Pagination */
#pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 1.5rem 0;
  flex-wrap: wrap;
}

#pagination button,
#pagination .page_number,
#pagination .page_number_current {
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  border: 1px solid var(--color-pagination-border);
  border-radius: var(--radius);
  background: var(--color-btn-background);
  color: var(--color-base-font);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

#pagination button:hover,
#pagination .page_number:hover {
  background: var(--color-btn-hover);
}

#pagination .page_number_current {
  background: var(--color-pagination-current);
  color: #fff;
  border-color: var(--color-pagination-current);
  cursor: default;
}

.previous_page, .next_page {
  font-weight: 500;
}

/* Back to top */
#backToTop {
  text-align: center;
  margin: 1rem 0;
}

#backToTop a {
  color: var(--color-link);
  text-decoration: none;
  font-size: 0.85rem;
}

/* HTMX loading indicator */
.htmx-indicator {
  display: none;
  text-align: center;
  padding: 2rem;
  color: var(--color-suggestion);
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: block;
}

/* Autocomplete dropdown */
#search {
  position: relative;
}

#autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-base-background);
  border: 1px solid var(--color-search-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: 100;
  max-height: 320px;
  overflow-y: auto;
  display: none;
}

#autocomplete-dropdown.open {
  display: block;
}

.autocomplete-suggestion {
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--color-base-font);
  border-bottom: 1px solid var(--color-result-border);
  transition: background 0.15s;
}

.autocomplete-suggestion:last-child {
  border-bottom: none;
}

.autocomplete-suggestion:hover,
.autocomplete-suggestion.active {
  background: var(--color-header-background);
}

.autocomplete-suggestion mark {
  background: none;
  color: var(--color-link);
  font-weight: 600;
}

.autocomplete-footer {
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  color: var(--color-suggestion);
  border-top: 1px solid var(--color-result-border);
  background: var(--color-header-background);
}

/* Responsive */
@media (max-width: 768px) {
  #results {
    flex-direction: column-reverse;
  }

  #sidebar {
    flex: none;
    border-top: 1px solid var(--color-sidebar-border);
    padding-top: 0.5rem;
  }

  .index .title h1 {
    font-size: 1.5rem;
  }

  main {
    padding: 0.5rem;
  }
}

/* Print */
@media print {
  footer, #pagination, #search button, #backToTop, .htmx-indicator {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .result a {
    color: #000;
  }
}

/* ============================================
   Settings Panel
   ============================================ */

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: var(--color-header-background);
  border-bottom: 1px solid var(--color-header-border);
}
.site-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-base-font);
}

/* Gear trigger button */
.settings-trigger {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius);
  color: var(--color-base-font);
  opacity: 0.7;
  transition: opacity 0.2s, background 0.2s;
  line-height: 1;
}
.settings-trigger:hover,
.settings-trigger[aria-expanded="true"] {
  opacity: 1;
  background: var(--color-sidebar-background);
}

/* Popover panel */
.settings-popover {
  position: absolute;
  top: 100%;
  right: 0;
  width: 280px;
  max-height: 420px;
  overflow-y: auto;
  background: var(--color-base-background);
  border: 1px solid var(--color-sidebar-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 200;
  display: none;
  flex-direction: column;
}
.settings-popover[data-open="true"] {
  display: flex;
  animation: settings-slide-in 0.2s ease;
}
@keyframes settings-slide-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.settings-popover-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-sidebar-border);
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.settings-popover-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--color-base-font);
  opacity: 0.6;
  padding: 0 0.25rem;
  line-height: 1;
}
.settings-popover-close:hover { opacity: 1; }

.settings-popover-body {
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.settings-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-suggestion);
  margin-bottom: 0.5rem;
}

/* Theme buttons */
.theme-buttons {
  display: flex;
  gap: 0.4rem;
}
.theme-btn {
  flex: 1;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--color-sidebar-border);
  border-radius: var(--radius);
  background: var(--color-btn-background);
  color: var(--color-base-font);
  cursor: pointer;
  font-size: 0.75rem;
  text-align: center;
  transition: background 0.15s, border-color 0.15s;
}
.theme-btn:hover { background: var(--color-btn-hover); }
.theme-btn.active {
  background: var(--color-link);
  color: #fff;
  border-color: var(--color-link);
}

/* Engine toggles — 2-column grid */
.engine-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
}
.engine-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius);
  background: var(--color-sidebar-background);
  font-size: 0.78rem;
  cursor: pointer;
}
.engine-toggle input[type="checkbox"] {
  width: 15px;
  height: 15px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--color-link);
}
.engine-toggle span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Search defaults */
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.4rem;
}
.setting-row label {
  font-size: 0.85rem;
  flex: 1;
}
.setting-row select {
  width: 110px;
  padding: 0.3rem 0.4rem;
  font-size: 0.8rem;
  border: 1px solid var(--color-sidebar-border);
  border-radius: var(--radius);
  background: var(--color-base-background);
  color: var(--color-base-font);
  cursor: pointer;
}

/* Mid-search notice */
.settings-notice {
  font-size: 0.72rem;
  color: var(--color-suggestion);
  margin-top: 0.3rem;
  font-style: italic;
}

/* Dark theme via data-theme attribute */
html[data-theme="dark"] {
  --color-base: #222;
  --color-base-font: #dcdcdc;
  --color-base-background: #2b2b2b;
  --color-header-background: #333;
  --color-header-border: #444;
  --color-search-border: #555;
  --color-search-focus: #5dade2;
  --color-result-url: #8ab4f8;
  --color-result-url-visited: #b39ddb;
  --color-result-content: #b0b0b0;
  --color-result-title: #8ab4f8;
  --color-result-title-visited: #b39ddb;
  --color-result-engine: #999;
  --color-result-border: #3a3a3a;
  --color-link: #5dade2;
  --color-link-visited: #b39ddb;
  --color-sidebar-background: #333;
  --color-sidebar-border: #444;
  --color-infobox-background: #333;
  --color-infobox-border: #444;
  --color-pagination-current: #5dade2;
  --color-pagination-border: #444;
  --color-error: #e74c3c;
  --color-error-background: #3b1a1a;
  --color-suggestion: #999;
  --color-footer: #666;
  --color-btn-background: #333;
  --color-btn-border: #555;
  --color-btn-hover: #444;
}

/* Light theme via data-theme attribute - explicit reset */
html[data-theme="light"] {
  --color-base: #f5f5f5;
  --color-base-font: #444;
  --color-base-background: #fff;
  --color-header-background: #f7f7f7;
  --color-header-border: #ddd;
  --color-search-border: #bbb;
  --color-search-focus: #3498db;
  --color-result-url: #1a0dab;
  --color-result-url-visited: #609;
  --color-result-content: #545454;
  --color-result-title: #1a0dab;
  --color-result-title-visited: #609;
  --color-result-engine: #666;
  --color-result-border: #eee;
  --color-link: #3498db;
  --color-link-visited: #609;
  --color-sidebar-background: #f7f7f7;
  --color-sidebar-border: #ddd;
  --color-infobox-background: #f9f9f9;
  --color-infobox-border: #ddd;
  --color-pagination-current: #3498db;
  --color-pagination-border: #ddd;
  --color-error: #c0392b;
  --color-error-background: #fdecea;
  --color-suggestion: #666;
  --color-footer: #888;
  --color-btn-background: #fff;
  --color-btn-border: #ddd;
  --color-btn-hover: #eee;
}

/* Mobile: Bottom sheet + FAB trigger */
@media (max-width: 768px) {
  /* Hide desktop trigger, show FAB */
  .settings-trigger-desktop {
    display: none;
  }
  .settings-trigger-mobile {
    display: block;
  }
  .settings-popover {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 70vh;
    border-radius: var(--radius) var(--radius) 0 0;
    border-bottom: none;
  }
  /* FAB: fixed bottom-right button visible only on mobile */
  .settings-trigger-mobile {
    display: block;
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-link);
    color: #fff;
    border: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    font-size: 1.2rem;
    z-index: 199;
    opacity: 1;
  }
}

/* Video result cards */
.video-result {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.video-result .result_thumbnail {
  flex-shrink: 0;
  width: 180px;
}

.video-result .result_thumbnail img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.video-result .result_content_wrapper {
  flex: 1;
  min-width: 0;
}