/* Asset page: resource details, PDF viewer and "Ask about this resource" panel */

:root {
  --tdc-ap-ink: #0f1424;
  --tdc-ap-muted: #6b7280;
  --tdc-ap-line: #e5e7eb;
  --tdc-ap-panel: #ffffff;
  --tdc-ap-bg: #f5f6fa;
  --tdc-ap-red: #e53935;
  --tdc-ap-red-soft: #fdecec;
  --tdc-ap-purple: #6d3bd6;
  --tdc-ap-purple-soft: #efe9fd;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --tdc-ap-ink: #f3f4f8;
    --tdc-ap-muted: #9aa3b5;
    --tdc-ap-line: #2c3345;
    --tdc-ap-panel: #161b29;
    --tdc-ap-bg: #0d1120;
    --tdc-ap-red-soft: #3a1d1f;
    --tdc-ap-purple-soft: #261d42;
  }
}

:root[data-theme="dark"] {
  --tdc-ap-ink: #f3f4f8;
  --tdc-ap-muted: #9aa3b5;
  --tdc-ap-line: #2c3345;
  --tdc-ap-panel: #161b29;
  --tdc-ap-bg: #0d1120;
  --tdc-ap-red-soft: #3a1d1f;
  --tdc-ap-purple-soft: #261d42;
}

.tdc-ai-asset-viewer {
  box-sizing: border-box;
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 24px 48px;
  color: var(--tdc-ap-ink);
  background: var(--tdc-ap-bg);
  font-size: 15px;
  line-height: 1.5;
}
.tdc-ai-asset-viewer *,
.tdc-ai-asset-viewer *::before,
.tdc-ai-asset-viewer *::after { box-sizing: border-box; }

/* Breadcrumb */
.tdc-ap-crumbs {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-size: 13px; color: var(--tdc-ap-muted);
  margin-bottom: 14px;
}
.tdc-ap-sep { opacity: .6; }

/* Three columns: details | PDF | chat */
.tdc-ap-grid {
  display: grid;
  grid-template-columns: minmax(230px, 270px) minmax(0, 1fr) minmax(300px, 360px);
  gap: 20px;
  align-items: start;
}

/* Left column */
.tdc-ap-info {
  background: var(--tdc-ap-panel);
  border: 1px solid var(--tdc-ap-line);
  border-radius: 12px;
  padding: 18px;
  position: sticky; top: 16px;
}
.tdc-ap-cover {
  border-radius: 8px; overflow: hidden;
  background: linear-gradient(135deg, #2f6bff, #7b2ff7 55%, #14b8a6);
  aspect-ratio: 3 / 4;
  display: flex; align-items: center; justify-content: center;
}
.tdc-ap-cover canvas { width: 100%; height: 100%; object-fit: cover; display: block; }
.tdc-ap-title {
  font-size: 20px; font-weight: 800; line-height: 1.25;
  margin: 0 0 14px; color: var(--tdc-ap-ink);
}
.tdc-ap-head {
  display: grid; grid-template-columns: minmax(0, 44%) minmax(0, 1fr);
  gap: 16px; align-items: start; margin-bottom: 18px;
}
.tdc-ap-head-text { min-width: 0; }
.tdc-ap-meta { margin: 0; display: grid; gap: 14px; }
.tdc-ap-meta > div { display: grid; grid-template-columns: 26px 1fr; column-gap: 10px; align-items: center; }
.tdc-ap-ico { color: var(--tdc-ap-ink); display: inline-flex; }
.tdc-ap-meta dt { font-size: 13px; color: var(--tdc-ap-muted); }
.tdc-ap-meta dd { font-size: 14px; }
.tdc-ap-meta dt { font-size: 12px; color: var(--tdc-ap-muted); }
.tdc-ap-meta dd { margin: 0; font-weight: 600; font-size: 14px; }
.tdc-ap-download {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  text-align: center; text-decoration: none;
  background: var(--tdc-ap-red); color: #fff; font-weight: 700; font-size: 15px;
  padding: 14px 16px; border-radius: 8px; margin-bottom: 20px;
}
.tdc-ap-download:hover { filter: brightness(.95); color: #fff; }
.tdc-ap-sub { font-size: 14px; font-weight: 700; margin: 0 0 10px; padding-top: 14px; border-top: 1px solid var(--tdc-ap-line); }
.tdc-ap-thumbs {
  display: grid; gap: 10px;
  max-height: 520px; overflow-y: auto; padding-right: 4px;
}
.tdc-ap-thumb {
  display: grid; grid-template-columns: 56px 1fr; gap: 10px; align-items: center;
  background: none; border: 1px solid transparent; border-radius: 8px;
  padding: 6px; cursor: pointer; text-align: left; color: var(--tdc-ap-ink); font: inherit;
}
.tdc-ap-thumb canvas { width: 56px; height: auto; border: 1px solid var(--tdc-ap-line); border-radius: 3px; background: #fff; display: block; }
.tdc-ap-thumb:hover { background: var(--tdc-ap-bg); }
.tdc-ap-thumb.is-current { border-color: var(--tdc-ap-red); background: var(--tdc-ap-red-soft); }

/* Centre column: PDF */
.tdc-ap-viewer {
  background: var(--tdc-ap-panel);
  border: 1px solid var(--tdc-ap-line);
  border-radius: 12px;
  overflow: hidden;
  min-width: 0;
}
.tdc-ap-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 8px 12px; background: #1f2433; color: #e5e7eb;
}
.tdc-ap-tool {
  background: transparent; color: inherit; border: 0; border-radius: 6px;
  min-width: 32px; height: 32px; padding: 0 8px; cursor: pointer;
  font: inherit; font-size: 15px; line-height: 1; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
}
.tdc-ap-tool:hover { background: rgba(255,255,255,.12); color: #fff; }
.tdc-ap-tool:disabled { opacity: .4; cursor: default; }
.tdc-ap-tool-text { font-size: 13px; }
.tdc-ap-page { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; }
.tdc-ap-page input {
  width: 52px; height: 30px; text-align: center; border-radius: 6px;
  border: 1px solid #3b4358; background: #161b29; color: #fff; font: inherit;
}
.tdc-ap-zoom { font-size: 13px; min-width: 48px; text-align: center; }
.tdc-ap-divider { width: 1px; height: 20px; background: #3b4358; margin: 0 4px; }
.tdc-ap-spacer { flex: 1; }
.tdc-ap-canvas-box {
  background: #3a3f4f; min-height: 640px; height: 760px;
  overflow: auto; padding: 20px; display: flex; justify-content: center; align-items: flex-start;
}
.tdc-ap-canvas-box canvas { background: #fff; box-shadow: 0 6px 22px rgba(0,0,0,.35); max-width: none; }
.tdc-ap-pdf-error { color: #fff; margin: 40px; text-align: center; }

/* Right column: chat */
.tdc-ap-chat {
  background: var(--tdc-ap-panel);
  border: 1px solid var(--tdc-ap-line);
  border-radius: 12px;
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
  height: 860px; min-width: 0;
  position: sticky; top: 16px;
}
.tdc-ap-chat-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tdc-ap-chat-head h2 { font-size: 18px; font-weight: 800; margin: 0; color: var(--tdc-ap-ink); }
.tdc-ap-spark { color: var(--tdc-ap-purple); font-size: 18px; }
.tdc-ap-beta {
  font-size: 11px; font-weight: 800; letter-spacing: .04em;
  background: var(--tdc-ap-purple-soft); color: var(--tdc-ap-purple);
  padding: 3px 9px; border-radius: 999px;
}
.tdc-ap-lede { margin: 0; font-size: 13px; color: var(--tdc-ap-muted); }

.tdc-ap-suggest { background: var(--tdc-ap-red-soft); border-radius: 10px; padding: 12px; }
.tdc-ap-suggest-title { margin: 0 0 8px; font-size: 13px; font-weight: 700; color: var(--tdc-ap-ink); }
.tdc-ap-suggest-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tdc-ap-card {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: var(--tdc-ap-panel); color: var(--tdc-ap-ink);
  border: 1px solid var(--tdc-ap-line); border-radius: 8px;
  padding: 10px; font: inherit; font-size: 13px; text-align: left; cursor: pointer;
}
.tdc-ap-card:hover { border-color: var(--tdc-ap-red); }

/* Answers */
.tdc-ap-log {
  flex: 1; min-height: 0; overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px; padding-right: 4px;
}
.tdc-ap-q {
  align-self: flex-end; max-width: 85%;
  background: var(--tdc-ap-red-soft); color: var(--tdc-ap-ink);
  padding: 8px 12px; border-radius: 12px 12px 2px 12px; font-size: 14px;
}
.tdc-ap-a { display: flex; gap: 8px; align-items: flex-start; }
.tdc-ap-a-icon { color: var(--tdc-ap-purple); font-size: 16px; margin-top: 2px; }
.tdc-ap-a-body { flex: 1; min-width: 0; font-size: 14px; }
.tdc-ap-a-body p { margin: 0 0 8px; }
.tdc-ap-item { display: grid; grid-template-columns: 28px 1fr; gap: 10px; margin: 0 0 12px; }
.tdc-ap-num {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--tdc-ap-red-soft); color: var(--tdc-ap-red);
  font-weight: 800; font-size: 13px; display: flex; align-items: center; justify-content: center;
}
.tdc-ap-item-title { font-weight: 700; margin: 2px 0 2px; }
.tdc-ap-item-text { margin: 0; color: var(--tdc-ap-muted); font-size: 13px; }
.tdc-ap-a-tools { display: flex; justify-content: flex-end; gap: 6px; margin-top: 6px; }
.tdc-ap-a-tools button {
  background: none; border: 1px solid var(--tdc-ap-line); border-radius: 6px;
  color: var(--tdc-ap-muted); padding: 4px 8px; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; font: inherit; font-size: 12px;
}
.tdc-ap-a-tools button:hover { color: var(--tdc-ap-ink); }
.tdc-ap-wait, .tdc-ap-error-note { font-size: 13px; color: var(--tdc-ap-muted); margin: 0; }
.tdc-ap-error-note { color: var(--tdc-ap-red); }

/* Question box */
.tdc-ap-form {
  display: flex; align-items: center; gap: 8px;
  background: var(--tdc-ap-bg); border: 1px solid var(--tdc-ap-line); border-radius: 12px;
  padding: 6px 6px 6px 14px;
}
.tdc-ap-input {
  flex: 1; min-width: 0; border: 0; background: transparent;
  color: var(--tdc-ap-ink); font: inherit; font-size: 14px; padding: 8px 0; outline: none;
}
.tdc-ap-send {
  width: 40px; height: 40px; border: 0; border-radius: 50%;
  background: var(--tdc-ap-purple); color: #fff; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.tdc-ap-send:disabled { opacity: .5; cursor: default; }
.tdc-ap-note { margin: 0; font-size: 11px; color: var(--tdc-ap-muted); display: flex; gap: 6px; align-items: flex-start; }
.tdc-ap-info-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; height: 14px; border-radius: 50%; border: 1px solid currentColor;
  font-size: 9px; flex: 0 0 auto; margin-top: 1px;
}

/* Narrower screens: the PDF goes first, the details and chat follow */
@media (max-width: 1180px) {
  .tdc-ap-grid { grid-template-columns: minmax(220px, 250px) minmax(0, 1fr); }
  .tdc-ap-chat { grid-column: 1 / -1; height: auto; min-height: 520px; position: static; }
  .tdc-ap-log { max-height: 420px; }
}
@media (max-width: 820px) {
  .tdc-ai-asset-viewer { padding: 12px 16px 32px; }
  .tdc-ap-grid { grid-template-columns: 1fr; }
  .tdc-ap-info { position: static; }
  .tdc-ap-thumbs { grid-column: 1 / -1; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); max-height: none; }
  .tdc-ap-canvas-box { min-height: 420px; height: 560px; padding: 12px; }
  .tdc-ap-suggest-cards { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .tdc-ap-head { grid-template-columns: 1fr; }
  .tdc-ap-cover { max-width: 220px; }
  .tdc-ap-toolbar { gap: 4px; padding: 6px; }
  .tdc-ap-tool-text { display: none; }
}

/* ---- Theme overrides: the theme styles headings, links, buttons and inputs on every page ---- */

.tdc-ai-asset-viewer,
.tdc-ai-asset-viewer h1,
.tdc-ai-asset-viewer h2,
.tdc-ai-asset-viewer p,
.tdc-ai-asset-viewer dt,
.tdc-ai-asset-viewer dd,
.tdc-ai-asset-viewer label,
.tdc-ai-asset-viewer button,
.tdc-ai-asset-viewer input,
.tdc-ai-asset-viewer a,
.tdc-ai-asset-viewer span {
  font-family: inherit;
  text-transform: none;
  letter-spacing: normal;
}

/* Left column: plain, like the design (no card around it) */
.tdc-ai-asset-viewer .tdc-ap-info {
  background: transparent;
  border: 0;
  padding: 0;
  border-radius: 0;
}
.tdc-ai-asset-viewer .tdc-ap-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--tdc-ap-ink);
  margin: 0 0 14px;
}
.tdc-ai-asset-viewer .tdc-ap-sub {
  font-size: 15px;
  font-weight: 700;
  color: var(--tdc-ap-ink);
  margin: 0 0 10px;
}
.tdc-ai-asset-viewer .tdc-ap-meta dt,
.tdc-ai-asset-viewer .tdc-ap-meta dd {
  margin: 0;
}

/* Download button: white text on the red button, whatever the theme sets for links */
.tdc-ai-asset-viewer a.tdc-ap-download,
.tdc-ai-asset-viewer a.tdc-ap-download:hover,
.tdc-ai-asset-viewer a.tdc-ap-download:focus,
.tdc-ai-asset-viewer a.tdc-ap-download:visited {
  color: #fff;
  text-decoration: none;
  background: var(--tdc-ap-red);
}

/* Toolbar: stop the theme from enlarging the page box, and keep "/ 11" on one line */
.tdc-ai-asset-viewer .tdc-ap-page {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  margin: 0;
  color: #e5e7eb;
}
.tdc-ai-asset-viewer .tdc-ap-page input {
  width: 56px;
  height: 30px;
  min-height: 0;
  margin: 0;
  padding: 0 6px;
  line-height: 28px;
  border-radius: 6px;
  border: 1px solid #3b4358;
  background: #161b29;
  color: #fff;
  text-align: center;
  -moz-appearance: textfield;
}
.tdc-ai-asset-viewer .tdc-ap-page span {
  white-space: nowrap;
  color: #e5e7eb;
}
.tdc-ai-asset-viewer .tdc-ap-toolbar .tdc-ap-tool,
.tdc-ai-asset-viewer .tdc-ap-toolbar a.tdc-ap-tool {
  color: #e5e7eb;
  background: transparent;
  border: 0;
  margin: 0;
  height: 32px;
  line-height: 1;
  text-decoration: none;
  box-shadow: none;
}
.tdc-ai-asset-viewer .tdc-ap-toolbar .tdc-ap-tool:hover,
.tdc-ai-asset-viewer .tdc-ap-toolbar a.tdc-ap-tool:hover {
  color: #fff;
  background: rgba(255, 255, 255, .12);
}
.tdc-ai-asset-viewer .tdc-ap-zoom { color: #e5e7eb; white-space: nowrap; }
.tdc-ai-asset-viewer .tdc-ap-toolbar .tdc-ap-tool-text[data-role="download-toolbar"] { color: #ff6b6b; }

/* Chat: the theme sets the same heading and button styles */
.tdc-ai-asset-viewer .tdc-ap-chat-head h2 { font-size: 18px; font-weight: 800; margin: 0; }
.tdc-ai-asset-viewer .tdc-ap-card,
.tdc-ai-asset-viewer .tdc-ap-a-tools button { line-height: 1.35; margin: 0; }
.tdc-ai-asset-viewer .tdc-ap-input { height: auto; min-height: 0; margin: 0; }