:root {
  --text: #222;
  --muted: #555;
  --line: #ddd;
  --bg: #fff;
  --head: #f5f5f5;
  --link: #0b57d0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  font-family: "Segoe UI", "Yu Gothic UI", "Meiryo", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

.mast, main, footer {
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.mast { padding-top: 24px; padding-bottom: 8px; }

h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
}

.lede {
  margin: 6px 0 0;
  color: var(--muted);
}

main { padding-bottom: 32px; }

.search-panel { margin-top: 16px; }

.mode { display: flex; gap: 6px; margin-bottom: 12px; }
.mode[hidden] { display: none; }

.mode button.is-on {
  background: #222;
  color: #fff;
  border-color: #222;
}

.search-label {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
}

.search-row {
  display: flex;
  gap: 8px;
}

input[type="search"],
input[type="password"] {
  border: 1px solid #bbb;
  background: #fff;
  font: inherit;
  color: var(--text);
  padding: 8px 10px;
}

input[type="search"] { flex: 1; }

.key-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 4px;
}

.key-row input[type="password"] {
  flex: 1;
  width: auto;
  min-width: 0;
  margin-top: 0;
}

#ai-setup[hidden],
#ai-connected[hidden],
#notion-setup[hidden],
#notion-on[hidden] {
  display: none;
}

.thumb {
  display: block;
  margin-top: 6px;
  padding: 0;
  border: 1px solid #ccc;
  background: #fff;
  cursor: zoom-in;
}

.thumb img {
  display: block;
  width: 112px;
  height: 72px;
  object-fit: contain;
  background: #fafafa;
}

#preview {
  border: 1px solid #ccc;
  padding: 12px;
  max-width: 94vw;
}

#preview img {
  display: block;
  max-width: 90vw;
  max-height: 82vh;
}

#preview-close { margin-bottom: 8px; }

#preview::backdrop { background: rgba(0, 0, 0, 0.45); }

.connected-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0 0;
  font-size: 13px;
}

#search {
  border: 1px solid #222;
  background: #222;
  color: #fff;
  font: inherit;
  padding: 0 16px;
  cursor: pointer;
}

.key-label,
.hint {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.hint a { color: var(--link); }

input[type="search"]:focus {
  outline: 2px solid #8ab4f8;
  outline-offset: 1px;
}

#clear,
#ai-check,
#ai-disconnect,
#notion-save,
#notion-clear,
#preview-close,
.examples button,
.kind button,
.mode button,
select,
.actions button {
  border: 1px solid #bbb;
  background: #fff;
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

#clear,
#ai-check,
#ai-disconnect,
#notion-save,
#notion-clear,
#preview-close { padding: 8px 12px; }

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.examples button,
.kind button,
.mode button {
  padding: 4px 10px;
  font-size: 13px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  margin-top: 12px;
}

.kind { display: flex; gap: 6px; }

.kind button.is-on {
  background: #222;
  color: #fff;
  border-color: #222;
}

.chapter-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

select { padding: 4px 6px; }

.status {
  margin: 14px 0 8px;
  color: var(--muted);
  font-size: 13px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  background: var(--head);
  font-size: 13px;
  font-weight: 700;
}

tr:last-child td { border-bottom: none; }

.num { white-space: nowrap; font-weight: 700; }

.snippet {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.page-cell { white-space: nowrap; }

.actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  white-space: nowrap;
}

.actions a,
.actions button {
  display: inline-block;
  text-align: center;
  padding: 4px 8px;
  font-size: 13px;
}

.actions a { color: var(--link); }

.actions button.is-copied { color: #0b7a2a; }

mark { background: #fff3a0; }

.empty h2 {
  margin: 8px 0 4px;
  font-size: 16px;
  font-weight: 700;
}

.empty p { margin: 0; color: var(--muted); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

footer {
  padding-bottom: 24px;
  color: var(--muted);
  font-size: 12px;
}