/* ==========================================================================
   SEÑAL · investigaciones: encabezado tipo "ficha", figuras editoriales,
   galería en mosaico, visor ampliado, mapa, fuentes numeradas y certeza.
   ========================================================================== */

/* --- Ficha de investigación ------------------------------------------------ */
.research-header { position: relative; display: grid; gap: 10px; margin: 0 0 22px; padding: 14px 16px 14px 18px; border: 1px solid var(--line); border-radius: var(--r-lg); background: linear-gradient(120deg, var(--accent-soft), transparent 60%), var(--panel); overflow: hidden; }
.research-header::before { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 2.5px; border-radius: 0 3px 3px 0; background: var(--accent); }
.research-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.research-chip { display: inline-flex; align-items: center; height: 24px; padding: 0 9px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel-2); color: var(--muted); font: 500 11px var(--font-mono); letter-spacing: .02em; white-space: nowrap; }
.research-chip.strong { border-color: var(--accent-line); background: var(--accent-soft); color: var(--accent); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.research-chip[title] { cursor: help; text-decoration: underline dotted; text-underline-offset: 3px; }
.research-subtitle { margin: 0; font: italic 400 19px/1.35 var(--font-display); color: var(--text); }

/* --- Figuras dentro del texto ------------------------------------------- */
.message-content.has-research-media { display: flow-root; }
.message-content .research-figure.inline { width: 100%; margin: .4em 0 1.6em; }
.research-figure { position: relative; margin: 0; min-width: 0; }
.research-figure-media { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--panel-2); cursor: zoom-in; line-height: 0; transition: border-color .15s; }
.research-figure-media:hover { border-color: var(--line-strong); }
.research-figure.inline .research-figure-media img { display: block; width: 100%; height: auto; max-height: 520px; object-fit: cover; background: var(--panel-3); transition: transform .5s var(--ease-out), opacity .3s; }
.research-figure.inline.portrait .research-figure-media img { max-height: 560px; object-fit: contain; }
.research-figure-media:hover img { transform: scale(1.02); }
.research-figure figcaption { display: grid; gap: 3px; padding: 9px 2px 0; line-height: 1.45; }
.research-caption { font-size: 13px; color: var(--text-soft); }
.research-credit { width: fit-content; font: 11px var(--font-mono); color: var(--muted-2); text-decoration: none; }
.research-credit:hover { color: var(--accent); }
.research-badge { position: absolute; top: 9px; left: 9px; padding: 3px 7px; border-radius: 6px; background: #000000b0; color: #fff; font: 600 9.5px var(--font-mono); letter-spacing: .08em; line-height: 1.4; backdrop-filter: blur(6px); }
.research-figure.image-failed { display: none; }

@media (min-width: 980px) {
  .message-content .research-figure.inline.portrait { width: min(42%, 320px); margin-top: .3em; margin-bottom: 1.2em; }
  .message-content .research-figure.inline.portrait.align-right { float: right; margin-left: 26px; }
  .message-content .research-figure.inline.portrait.align-left { float: left; margin-right: 26px; }
  .message-content h1, .message-content h2, .message-content h3, .message-content .research-gallery, .message-content .table-scroll, .message-content .code-frame { clear: both; }
}

/* --- Galería en mosaico --------------------------------------------------- */
.research-gallery { clear: both; margin: 2em 0 .4em; }
.research-gallery-header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.message-content .research-gallery-header h3 { margin: 0; font: 400 24px/1.1 var(--font-display); letter-spacing: -.01em; }
.research-gallery-header span { font: 11px var(--font-mono); letter-spacing: .04em; color: var(--muted-2); }
.research-gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); grid-auto-flow: dense; gap: 6px; }
.research-gallery-grid.featured > .research-figure:first-child { grid-column: span 2; grid-row: span 2; }
.research-figure.tile .research-figure-media { aspect-ratio: 1; border-radius: var(--r-sm); }
.research-figure.tile .research-figure-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease-out), opacity .3s; }
.research-figure.tile .research-figure-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, #0000008c); opacity: 0; transition: opacity .2s; }
.research-figure.tile .research-figure-media:hover::after { opacity: 1; }
.research-figure.tile .research-figure-media:hover img { transform: scale(1.05); }
@media (max-width: 600px) {
  .research-gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; }
  .research-figure.tile .research-figure-media { border-radius: 6px; }
}

/* --- Visor ampliado ----------------------------------------------------- */
.lightbox { width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: transparent; color: #eef1f4; overflow: hidden; }
.lightbox::backdrop { background: #050505f2; backdrop-filter: blur(10px); }
.lightbox[open] { display: grid; grid-template-rows: minmax(0, 1fr) auto; animation: lb-in .22s var(--ease-out); }
@keyframes lb-in { from { opacity: 0; } }
.lightbox-stage { display: grid; place-items: center; min-height: 0; overflow: hidden; padding: 60px 84px 12px; }
.lightbox-image { max-width: 100%; max-height: calc(100dvh - 180px); object-fit: contain; border-radius: 8px; box-shadow: 0 30px 100px #000c; animation: lb-zoom .3s var(--ease-out); }
@keyframes lb-zoom { from { transform: scale(.97); opacity: .4; } }
.lightbox-image.failed { width: 320px; height: 200px; background: #1b1b1b; }
.lightbox-nav, .lightbox-close { position: fixed; display: grid; place-items: center; width: 46px; height: 46px; padding: 0 0 3px; border: 1px solid #ffffff24; border-radius: 50%; background: #16161699; color: #fff; font-size: 28px; line-height: 1; cursor: pointer; backdrop-filter: blur(8px); transition: background .15s, border-color .15s; }
.lightbox-nav:hover, .lightbox-close:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.lightbox-nav.prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lightbox-nav.next { right: 18px; top: 50%; transform: translateY(-50%); }
.lightbox-close { top: 16px; right: 18px; font-size: 26px; }
.lightbox-info { display: grid; gap: 8px; width: 100%; max-width: 900px; margin: 0 auto; padding: 12px 24px 26px; text-align: center; }
.lightbox-caption { margin: 0; font: italic 400 19px/1.4 var(--font-display); color: #eef1f4; }
.lightbox-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; font: 11.5px var(--font-mono); color: #9aa2ac; }
.lightbox-counter { color: var(--accent); }
.lightbox-source { color: #8ccfff; text-decoration: none; }
.lightbox-source:hover { text-decoration: underline; }
@media (max-width: 600px) {
  .lightbox-stage { padding: 62px 8px 6px; }
  .lightbox-image { max-height: calc(100dvh - 230px); }
  .lightbox-nav.prev, .lightbox-nav.next { top: auto; bottom: 20px; transform: none; width: 42px; height: 42px; }
  .lightbox-nav.prev { left: 12px; } .lightbox-nav.next { right: 12px; }
  .lightbox-info { padding: 8px 64px 22px; }
  .lightbox-caption { font-size: 16px; }
}

/* --- Mapa ---------------------------------------------------------------- */
.research-map { margin: 1.4em 0 .4em; }
.research-map-frame { position: relative; display: block; width: 100%; aspect-ratio: 3 / 2; overflow: hidden; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--panel-2); }
.research-map-tile { position: absolute; width: calc(100% / 3 + 1px); height: calc(50% + 1px); object-fit: cover; filter: saturate(.85); }
html:not([data-theme^="light"]) .research-map-tile { filter: invert(.92) hue-rotate(180deg) saturate(.6) brightness(.95); }
.research-map-fallback { position: absolute; inset: 0; display: none; place-items: center; padding: 20px; text-align: center; font-size: 13px; color: var(--muted); background: repeating-linear-gradient(45deg, var(--panel-2) 0 12px, var(--panel) 12px 24px); }
.research-map-frame.unavailable { aspect-ratio: auto; height: 76px; }
.research-map-frame.unavailable .research-map-fallback { display: grid; }
.research-map-frame.unavailable .research-map-pin { display: none; }
.research-map-pin { position: absolute; width: 20px; height: 20px; margin: -20px 0 0 -10px; border-radius: 50% 50% 50% 0; background: var(--accent); border: 2.5px solid #fff; transform: rotate(-45deg); box-shadow: 0 4px 12px #0008; }
.research-map-pin::after { content: ""; position: absolute; left: 50%; top: 50%; width: 46px; height: 46px; margin: -23px; border-radius: 50%; border: 2px solid var(--accent); opacity: 0; animation: ping 2.2s ease-out infinite; }
@keyframes ping { 0% { transform: scale(.3); opacity: .8; } 100% { transform: scale(1.2); opacity: 0; } }
.research-map figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 9px 2px 0; font-size: 13px; color: var(--text-soft); }
.research-map figcaption small { font: 11px var(--font-mono); color: var(--muted-2); }

/* --- Fuentes --------------------------------------------------------------- */
.research-sources { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); }
.research-sources-header { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; }
.research-sources-header h3 { margin: 0; font: 600 11px var(--font-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.research-sources-header span { display: inline-grid; place-items: center; min-width: 20px; height: 18px; padding: 0 5px; border-radius: 999px; background: var(--panel-2); font: 600 10.5px var(--font-mono); color: var(--text-soft); }
.research-source-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.research-source-list > li { margin: 0; padding: 0; }
.research-source-list > li.collapsed { display: none; }
.research-sources.expanded .research-source-list > li.collapsed { display: block; animation: rise .25s var(--ease-out) both; }
.research-source { display: flex; align-items: flex-start; gap: 10px; height: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--panel); color: var(--text); text-decoration: none; transition: border-color .15s, background .15s, transform .2s var(--ease); }
.research-source:hover { border-color: color-mix(in srgb, var(--cool) 40%, var(--line)); background: var(--panel-2); transform: translateY(-1px); }
.research-source-number { display: grid; place-items: center; flex: none; min-width: 22px; height: 22px; padding: 0 5px; border-radius: 6px; background: var(--cool-soft); color: var(--cool); font: 600 10.5px var(--font-mono); }
.research-source-text { display: grid; gap: 3px; min-width: 0; }
.research-source-text strong { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; font-size: 13px; font-weight: 560; line-height: 1.38; }
.research-source-text small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 11px var(--font-mono); color: var(--muted-2); }
.research-sources-more { margin-top: 10px; height: 32px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: none; color: var(--muted); font-size: 12.5px; }
.research-sources-more:hover { border-color: var(--line-strong); color: var(--text); }

/* --- Certeza --------------------------------------------------------------- */
.message-content .certainty-list { display: grid; gap: 2px; padding: 6px; list-style: none; border: 1px solid var(--line); border-radius: var(--r-md); background: var(--panel); }
.message-content .certainty-list > li { position: relative; margin: 0; padding: 8px 12px 8px 38px; border-radius: var(--r-sm); }
.message-content .certainty-list > li::before { content: "•"; position: absolute; left: 10px; top: 9px; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; font: 700 11px/1 var(--font-mono); color: var(--muted); background: var(--panel-2); }
.message-content .certainty-list > li[data-certainty="verified"]::before { content: "✓"; color: var(--positive); background: color-mix(in srgb, var(--positive) 15%, transparent); }
.message-content .certainty-list > li[data-certainty="uncertain"]::before { content: "?"; color: var(--warning); background: color-mix(in srgb, var(--warning) 15%, transparent); }
.message-content .certainty-list > li[data-certainty="missing"]::before { content: "–"; color: var(--danger); background: color-mix(in srgb, var(--danger) 15%, transparent); }
.uncertain-tag { display: inline-block; margin: 0 2px; padding: 0 6px; border: 1px solid color-mix(in srgb, var(--warning) 45%, var(--line)); border-radius: 5px; color: var(--warning); font: 500 .74em/1.7 var(--font-mono); vertical-align: 1px; }

@media (prefers-reduced-motion: reduce) {
  .research-figure-media img, .lightbox[open], .lightbox-image, .research-map-pin::after { transition: none !important; animation: none !important; }
}