:root {
  --bg: #f8f6f1;
  --bg-card: #ffffff;
  --fg: #222;
  --fg-muted: #666;
  --accent: #8b2e2e;
  --border: #d8d4ca;
  --highlight: #fff2a8;
  font-family: Georgia, "Times New Roman", serif;
}

body.dark {
  --bg: #1a1715;
  --bg-card: #2a2522;
  --fg: #e3dfd7;
  --fg-muted: #999088;
  --accent: #e08585;
  --border: #3d3530;
  --highlight: #5a4818;
}
body.dark #histogram-bars .bar-track { background: #1f1c19; }
body.dark .pub-masthead { background: #f5e8d8; }
body.dark #preview-text { background: #2f2925; }
body.dark .chip, body.dark .decade-btn { background: #2f2925; }
body.dark #preview-toolbar { background: #25201d; }
body.dark #help-panel { background: #2c2620; }

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

#theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 2.4rem;
  height: 2.4rem;
  font-size: 1.1rem;
  cursor: pointer;
  flex-shrink: 0;
  font-family: inherit;
  color: var(--fg);
}
#theme-toggle:hover { border-color: var(--accent); }

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1rem;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

header, footer {
  max-width: 900px;
  margin: 1rem auto;
  padding: 0;
}

header h1 {
  font-size: 1.6rem;
  margin: 0 0 .25rem;
}

header h1 a {
  color: var(--accent);
  text-decoration: none;
}
header h1 a:hover { text-decoration: underline; }

#reset-btn {
  padding: .5rem 1rem;
  background: white;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: .95rem;
}
#reset-btn:hover { background: var(--bg); }
body.dark #reset-btn { background: #2a2522; }

.subtitle {
  color: var(--fg-muted);
  margin: 0;
  font-style: italic;
}

#pubs-banner {
  max-width: 900px;
  margin: 1rem auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: .75rem;
}

.pub-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.pub-masthead {
  background: #fff;
  border-bottom: 1px solid var(--border);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .35rem;
}

.pub-masthead img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.pub-masthead.empty {
  background: var(--bg);
  color: var(--fg-muted);
  font-style: italic;
  font-size: .85rem;
}

.pub-info {
  display: flex;
  flex-direction: column;
  font-size: .85rem;
  color: var(--fg-muted);
  padding: .55rem .75rem .65rem;
}
.pub-info strong { color: var(--accent); font-size: 1rem; margin-bottom: .15rem; }
.pub-info .years { font-style: italic; }
.pub-info .counts { font-size: .8rem; }

#browse-form {
  max-width: 900px;
  margin: 1rem auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 1rem;
}

#browse-form summary {
  padding: .65rem 0;
  cursor: pointer;
  color: var(--accent);
  font-size: .95rem;
  list-style: none;
}
#browse-form summary::-webkit-details-marker { display: none; }
#browse-form summary::before { content: "▸ "; }
#browse-form[open] summary::before { content: "▾ "; }

#browse-form .filters { padding-bottom: 1rem; }
#browse-form #b-submit {
  padding: .35rem 1rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: .9rem;
  align-self: flex-end;
  margin-bottom: .15rem;
}

#browse-results {
  padding: 0 0 1rem;
}

.browse-row {
  display: grid;
  grid-template-columns: 7rem 1fr auto;
  gap: .75rem;
  padding: .35rem .25rem;
  border-bottom: 1px dashed var(--border);
  font-size: .9rem;
  align-items: center;
}
.browse-row:last-child { border-bottom: none; }
.browse-row.clickable { cursor: pointer; }
.browse-row.clickable:hover { background: var(--bg); }
.browse-row .b-fecha { color: var(--fg-muted); font-variant-numeric: tabular-nums; }
.browse-row .b-meta { color: var(--accent); }
.browse-row .b-actions { display: flex; gap: .35rem; }
.browse-row .b-actions a {
  color: var(--accent);
  text-decoration: none;
  padding: .1rem .45rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg);
  font-size: .8rem;
}
.browse-row .b-actions a:hover { background: var(--accent); color: white; border-color: var(--accent); }

#search-form {
  max-width: 900px;
  margin: 1rem auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
}

.row {
  display: flex;
  gap: .5rem;
  align-items: center;
  flex-wrap: wrap;
}

.row + .row { margin-top: .75rem; }

.search-wrap {
  flex: 1 1 300px;
  position: relative;
  display: flex;
}

#q {
  flex: 1;
  font-size: 1.1rem;
  padding: .5rem 2.2rem .5rem .75rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: inherit;
  background: white;
  color: var(--fg);
}

body.dark #q { background: #2a2522; }

#clear-q {
  position: absolute;
  right: .35rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--fg-muted);
  font-size: 1.2rem;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
}
#clear-q:hover { background: var(--bg); color: var(--accent); }

button[type=submit] {
  padding: .5rem 1.2rem;
  font-size: 1rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
}

button[disabled] { opacity: .5; cursor: wait; }

#help-btn {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: white;
  color: var(--accent);
  font-weight: bold;
  cursor: pointer;
  font-family: inherit;
}

#help-panel {
  margin-top: 1rem;
  padding: .75rem 1rem;
  background: #fdf8e8;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: .9rem;
}

#help-panel h4 { margin: 0 0 .5rem; font-size: 1rem; }
#help-panel ul { margin: 0; padding-left: 1.2rem; }
#help-panel code {
  background: rgba(139, 46, 46, .08);
  padding: 0 .3em;
  border-radius: 2px;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.decades {
  gap: .25rem !important;
}

.decade-btn {
  padding: .25rem .55rem;
  font-size: .8rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  color: var(--fg-muted);
}

.decade-btn:hover { border-color: var(--accent); color: var(--accent); }
.decade-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.decade-btn.empty { opacity: .35; cursor: default; }
.decade-btn.empty:hover { border-color: var(--border); color: var(--fg-muted); }

.chips { gap: .35rem !important; flex-wrap: wrap; padding-top: .25rem; }
.chip-label { font-size: .85rem; color: var(--fg-muted); margin-right: .15rem; align-self: center; }
.chip {
  border: 1px solid var(--border);
  background: white;
  color: var(--accent);
  padding: .2rem .65rem;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  font-size: .85rem;
}
.chip:hover { background: var(--bg); border-color: var(--accent); }
.chip.random-chip { background: var(--accent); color: white; border-color: var(--accent); margin-left: .5rem; }
.chip.random-chip:hover { opacity: .85; }

#today-history, #suggest-panel {
  max-width: 900px;
  margin: 1rem auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .75rem 1rem 1rem;
}
#today-history h3 { margin: 0 0 .25rem; font-size: 1rem; color: var(--accent); }
#today-history .meta { margin: 0 0 .5rem; }
#today-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: .35rem;
}
.today-item {
  padding: .35rem .5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  text-decoration: none;
  color: var(--fg);
  font-size: .85rem;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.today-item:hover { border-color: var(--accent); background: var(--bg-card); }
.today-item strong { color: var(--accent); margin-right: .35rem; }

#suggest-chips { display: flex; gap: .35rem; flex-wrap: wrap; }

.filters label {
  display: flex;
  flex-direction: column;
  font-size: .85rem;
  color: var(--fg-muted);
}

.filters select, .filters input {
  font-family: inherit;
  padding: .35rem .5rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: white;
  font-size: .95rem;
}

.filters input[type=number] { width: 6rem; }

#status {
  max-width: 900px;
  margin: 1rem auto;
}

#status-msg {
  color: var(--fg-muted);
  font-style: italic;
  margin: 0;
}

#histogram {
  max-width: 900px;
  margin: 1rem auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .75rem 1rem;
}

#histogram h4 { margin: 0 0 .5rem; font-size: .85rem; color: var(--fg-muted); font-weight: normal; }

#histogram-bars {
  display: grid;
  grid-template-columns: 4rem 1fr 3rem;
  gap: .15rem .5rem;
  align-items: center;
}

.bar-row { display: contents; cursor: pointer; }
.bar-row.empty { opacity: .35; cursor: default; }
.bar-row:not(.empty):hover .bar-track { background: rgba(139, 46, 46, .15); }
.bar-year { font-size: .8rem; color: var(--fg-muted); text-align: right; }
.bar-track { background: var(--bg); height: 1.1rem; border-radius: 2px; position: relative; }
.bar-fill { background: var(--accent); height: 100%; border-radius: 2px; }
.bar-count { font-size: .8rem; color: var(--fg-muted); }

.pagination {
  max-width: 900px;
  margin: .5rem auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .9rem;
  color: var(--fg-muted);
  gap: .5rem;
  flex-wrap: wrap;
}

.pagination button {
  padding: .3rem .8rem;
  background: white;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: .9rem;
  color: var(--accent);
}

.pagination button[disabled] {
  color: var(--fg-muted);
  cursor: not-allowed;
  opacity: .5;
}

#results {
  max-width: 900px;
  margin: 0 auto 3rem;
}

.result {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .75rem 1rem;
  margin-bottom: .75rem;
}

.result h3 {
  font-size: 1rem;
  margin: 0 0 .25rem;
}

.result h3 a {
  color: var(--accent);
  text-decoration: none;
}

.result h3 a:hover { text-decoration: underline; }

.result .meta {
  font-size: .85rem;
  color: var(--fg-muted);
  margin-bottom: .35rem;
}

.result .pub-tag {
  display: inline-block;
  padding: .05rem .4rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  margin-right: .35rem;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.result .snippet {
  margin: 0;
  font-size: .95rem;
}

.result mark {
  background: var(--highlight);
  padding: 0 .1em;
}

.result.clickable { cursor: pointer; }
.result.clickable:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.result-actions {
  margin-top: .5rem;
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  font-size: .85rem;
}

.result-actions a {
  color: var(--accent);
  text-decoration: none;
  padding: .15rem .5rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: white;
}

.result-actions a:hover { background: var(--bg); border-color: var(--accent); }

#preview-dialog {
  max-width: 760px;
  width: calc(100% - 2rem);
  max-height: 90vh;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0;
  background: var(--bg-card);
  font-family: inherit;
}

#preview-dialog::backdrop {
  background: rgba(0, 0, 0, .45);
  backdrop-filter: blur(2px);
}

#preview-dialog header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .75rem 1rem;
  background: var(--accent);
  color: white;
  border-bottom: 1px solid var(--border);
}

#preview-dialog h3 {
  margin: 0;
  font-size: 1rem;
  flex: 1;
}

#preview-close {
  background: transparent;
  color: white;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 .25rem;
}

#preview-meta {
  padding: .5rem 1rem;
  border-bottom: 1px dashed var(--border);
}

#preview-toolbar {
  display: flex;
  gap: 1rem;
  padding: .35rem 1rem;
  background: #f5f0e2;
  border-bottom: 1px solid var(--border);
  font-size: .85rem;
  color: var(--fg-muted);
}

#preview-toolbar label { display: inline-flex; align-items: center; gap: .25rem; cursor: pointer; }

#preview-text {
  margin: 0;
  padding: 1rem;
  max-height: calc(90vh - 12rem);
  overflow: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: Georgia, "Times New Roman", serif;
  font-size: .95rem;
  line-height: 1.55;
  background: #fdfcf7;
}

#preview-text mark {
  background: var(--highlight);
  padding: 0 .1em;
}

#preview-actions {
  padding: .5rem 1rem;
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  font-size: .9rem;
}

#preview-actions a {
  color: var(--accent);
  text-decoration: none;
  padding: .25rem .6rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg);
}

#preview-actions a:hover, #preview-actions button:hover { background: var(--accent); color: white; border-color: var(--accent); }

#preview-actions button {
  color: var(--accent);
  padding: .25rem .6rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg);
  cursor: pointer;
  font-family: inherit;
  font-size: .9rem;
}

.share-btn {
  color: var(--accent);
  padding: .15rem .5rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: white;
  cursor: pointer;
  font-family: inherit;
  font-size: .85rem;
}

.share-btn:hover { background: var(--bg); border-color: var(--accent); }
.share-btn.copied { background: #d8f5d8; border-color: #4a8a4a; color: #2a5a2a; }

footer {
  font-size: .85rem;
  color: var(--fg-muted);
}

footer a { color: inherit; }

footer details {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 1rem;
  margin-bottom: 1rem;
}

footer summary {
  padding: .65rem 0;
  cursor: pointer;
  color: var(--accent);
  font-weight: bold;
  list-style: none;
}
footer summary::-webkit-details-marker { display: none; }
footer summary::before { content: "▸ "; }
footer details[open] summary::before { content: "▾ "; }

footer details p, footer details ul { margin: .5rem 0; }
footer details ul { padding-left: 1.2rem; }
footer details strong { color: var(--fg); }

footer .copyline {
  text-align: center;
  font-size: .8rem;
  margin: 0 0 1rem;
}