/* =========================================================
   Comparador de documentos (solo se carga en su página)
   Todo va dentro de .cmp (y del diálogo .pk) para no chocar con los estilos generales.
   ========================================================= */

.cmp, .pk {
  --del-bg: #fde3e1; --del-ink: #a11a1a; --del-line: #f0b4b0;
  --ins-bg: #d9f3e1; --ins-ink: #11632b; --ins-line: #9fd8b1;
  --paper: #ffffff; --paper-ink: #2a3247;
}
:root[data-theme="dark"] .cmp, :root[data-theme="dark"] .pk {
  --del-bg: #45191b; --del-ink: #ffb0aa; --del-line: #7a2c2c;
  --ins-bg: #123a22; --ins-ink: #8fe3ad; --ins-line: #26663e;
}
.cmp [hidden], .pk [hidden] { display: none !important; }
.cmp :focus-visible, .pk :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cmp { display: flex; flex-direction: column; gap: 20px; }

/* Aviso de privacidad */
.cmp .privacy { display: flex; gap: 14px; align-items: flex-start; background: var(--ok-bg); border-radius: var(--radius-sm); padding: 16px 20px; color: var(--ok-fg); }
.cmp .privacy svg { flex: none; width: 26px; height: 26px; margin-top: 2px; }
.cmp .privacy strong { display: block; font-family: var(--font-head); font-weight: 600; }
.cmp .privacy p { margin: 2px 0 0; max-width: 80ch; font-size: .95rem; color: var(--text); }

/* Selección de archivos */
.cmp .files { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 14px; align-items: stretch; }
.cmp .drop {
  position: relative; display: flex; flex-direction: column; justify-content: center; min-height: 150px; padding: 20px 22px;
  border: 2px dashed var(--line); border-radius: var(--radius); background: var(--bg-soft); cursor: pointer; transition: border-color .15s, background .15s;
}
.cmp .drop:hover, .cmp .drop:focus-within { border-color: var(--accent); }
.cmp .drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, var(--bg-soft)); }
.cmp .drop.loaded { border-style: solid; border-width: 1px; background: var(--surface); box-shadow: var(--shadow); cursor: default; }
.cmp .drop.error { border-style: solid; border-color: color-mix(in srgb, var(--bad-fg) 35%, transparent); background: var(--bad-bg); }
.cmp .drop input[type=file] { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.cmp .drop .tag { font-family: var(--font-head); font-size: .74rem; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 10px; }
.cmp .drop .tag b { display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 4px; border-radius: 6px; background: var(--accent); color: var(--accent-ink); letter-spacing: 0; }
.cmp .drop .empty { color: var(--muted); font-size: .95rem; }
.cmp .drop .empty strong { display: block; color: var(--ink); font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; }
.cmp .drop .fname { font-family: var(--font-head); font-weight: 600; color: var(--ink); word-break: break-word; padding-right: 30px; }
.cmp .drop .cmp-meta { color: var(--muted); font-size: .9rem; margin-top: 2px; }
.cmp .drop.error .cmp-meta { color: var(--bad-fg); }
.cmp .drop .note { font-size: .88rem; margin-top: 10px; color: var(--warn-fg); background: var(--warn-bg); padding: 8px 10px; border-radius: 8px; }
.cmp .drop .cmp-info { font-size: .88rem; margin-top: 10px; color: var(--muted); }
.cmp .drop .clear { position: absolute; top: 12px; right: 12px; width: 30px; height: 30px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-size: 20px; line-height: 1; cursor: pointer; }
.cmp .drop .clear:hover { background: var(--bg-soft); color: var(--ink); }
.cmp .range { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); font-size: .92rem; color: var(--muted); }
.cmp .range .cmp-lbl { color: var(--ink); font-weight: 600; margin-right: 2px; }
.cmp .range input, .pk .pk-range input {
  width: 64px; padding: 6px; border: 1px solid var(--line); border-radius: 8px; font: inherit; color: var(--ink);
  text-align: center; font-variant-numeric: tabular-nums; background: var(--bg);
}
.cmp .range input:focus, .pk .pk-range input:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.cmp .range .all, .pk .pk-all { border: 0; background: none; color: var(--accent); font: inherit; font-size: .88rem; font-weight: 600; cursor: pointer; padding: 4px 8px; border-radius: 6px; }
.cmp .range .all:hover, .pk .pk-all:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.cmp .range .pick { margin-left: auto; padding: 8px 14px; font-size: .88rem; }
.cmp .range .pick svg { width: 16px; height: 16px; }
.cmp .swap { align-self: center; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--muted); cursor: pointer; font-size: 18px; box-shadow: var(--shadow); }
.cmp .swap:hover { color: var(--accent); border-color: var(--accent); }

/* Opciones */
.cmp .controls { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; }
.cmp .cmp-seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: var(--surface); }
.cmp .cmp-seg label { position: relative; }
.cmp .cmp-seg input { position: absolute; opacity: 0; }
.cmp .cmp-seg span { display: block; padding: 8px 16px; font-size: .92rem; font-weight: 500; cursor: pointer; color: var(--muted); }
.cmp .cmp-seg input:checked + span { background: var(--accent); color: var(--accent-ink); }
.cmp .cmp-seg input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: -3px; }
.cmp .cmp-check { display: inline-flex; align-items: center; gap: 8px; font-size: .92rem; color: var(--ink); cursor: pointer; }
.cmp .cmp-check input { width: 17px; height: 17px; accent-color: var(--accent); margin: 0; }
.cmp .spacer { flex: 1; }
.cmp .btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }

/* Resultado */
.cmp #result { scroll-margin-top: 96px; }
.cmp .cmp-verdict { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border-radius: var(--radius-sm); }
.cmp .cmp-verdict.ok { background: var(--ok-bg); color: var(--ok-fg); }
.cmp .cmp-verdict.diff { background: var(--warn-bg); color: var(--warn-fg); }
.cmp .cmp-verdict.err { background: var(--bad-bg); color: var(--bad-fg); }
.cmp .cmp-verdict svg { flex: none; margin-top: 2px; }
.cmp .cmp-verdict h2 { margin: 0; font-size: 1.15rem; color: inherit; }
.cmp .cmp-verdict p { margin: 2px 0 0; font-size: .95rem; }
.cmp .cmp-verdict .scope { margin-top: 4px; opacity: .9; }
.cmp .cmp-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.cmp .cmp-stat { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; background: var(--surface); }
.cmp .cmp-stat .v { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.cmp .cmp-stat .l { font-size: .84rem; color: var(--muted); }
.cmp .cmp-stat.del .v { color: var(--del-ink); }
.cmp .cmp-stat.ins .v { color: var(--ins-ink); }

.cmp .cmp-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin: 18px 0 10px; font-size: .9rem; }
.cmp .legend { display: inline-flex; flex-wrap: wrap; gap: 14px; color: var(--muted); }
.cmp .legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-right: 6px; }
.cmp .legend .d { background: var(--del-bg); border: 1px solid var(--del-line); }
.cmp .legend .a { background: var(--ins-bg); border: 1px solid var(--ins-line); }
.cmp .cmp-nav { display: inline-flex; align-items: center; gap: 6px; }
.cmp .cmp-nav button { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); cursor: pointer; font-size: 16px; }
.cmp .cmp-nav button:disabled { opacity: .4; cursor: default; }
.cmp .cmp-nav button:not(:disabled):hover { border-color: var(--accent); color: var(--accent); }
.cmp .cmp-nav .pos { min-width: 64px; text-align: center; color: var(--muted); font-variant-numeric: tabular-nums; }

.cmp .view { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 22px 24px; max-height: 68vh; overflow: auto; font-size: 1rem; line-height: 1.7; background: var(--surface); color: var(--text); }
.cmp .view p { margin: 0 0 12px; }
.cmp .view del { background: var(--del-bg); color: var(--del-ink); text-decoration: line-through; text-decoration-thickness: 1px; border-radius: 3px; padding: 0 2px; }
.cmp .view ins { background: var(--ins-bg); color: var(--ins-ink); text-decoration: none; border-radius: 3px; padding: 0 2px; }
.cmp .view .collapsed { display: none; text-align: center; color: var(--muted); font-size: .84rem; margin: 0 0 12px; padding: 4px; border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line); }
.cmp .view.only-changes .eqgroup { display: none; }
.cmp .view.only-changes .collapsed { display: block; }
.cmp .view .current { outline: 2px solid var(--accent); outline-offset: 2px; }
.cmp .pchange { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; margin: 0 0 14px; }
.cmp .pchange .side { border-radius: 10px; padding: 12px 14px; border: 1px solid var(--line); }
.cmp .pchange .side.a { background: color-mix(in srgb, var(--del-bg) 35%, var(--surface)); border-color: var(--del-line); }
.cmp .pchange .side.b { background: color-mix(in srgb, var(--ins-bg) 35%, var(--surface)); border-color: var(--ins-line); }
.cmp .pchange .side h3 { margin: 0 0 6px; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.cmp .pchange .side p:last-child { margin-bottom: 0; }
.cmp .pchange .none { color: var(--muted); font-style: italic; font-size: .92rem; }

.cmp .cmp-busy, .pk .cmp-busy { display: flex; align-items: center; gap: 10px; color: var(--muted); padding: 14px 0; }
.cmp .cmp-spin, .pk .cmp-spin { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--accent); animation: cmp-r .8s linear infinite; }
@keyframes cmp-r { to { transform: rotate(360deg); } }
.cmp .foot { margin: 0; font-size: .88rem; color: var(--muted); }

/* ---------- Selector de páginas (miniaturas) ---------- */
html.pk-lock { overflow: hidden; }
.pk {
  width: min(1100px, calc(100vw - 32px)); height: min(860px, calc(100vh - 32px)); max-width: none; max-height: none; margin: auto; padding: 0;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); color: var(--text); box-shadow: var(--shadow-lg);
  flex-direction: column; overflow: hidden;
}
.pk[open] { display: flex; }
.pk::backdrop { background: rgba(0, 17, 60, .55); backdrop-filter: blur(2px); }
.pk .pk-head { display: flex; align-items: flex-start; gap: 16px; padding: 20px 24px 14px; border-bottom: 1px solid var(--line); }
.pk .pk-head > div { flex: 1; min-width: 0; }
.pk .pk-head h2 { margin: 0; font-size: 1.2rem; }
.pk .pk-head .pk-name { margin: 2px 0 0; color: var(--muted); font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pk .pk-x { flex: none; width: 36px; height: 36px; border: 0; border-radius: 10px; background: transparent; color: var(--muted); font-size: 24px; line-height: 1; cursor: pointer; }
.pk .pk-x:hover { background: var(--bg-soft); color: var(--ink); }
.pk .pk-hint { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; padding: 10px 24px; background: var(--info-bg); color: var(--info-fg); font-size: .9rem; }
.pk .pk-hint .pk-wnote { opacity: .85; }
.pk .pk-grid {
  flex: 1; min-height: 0; overflow: auto; padding: 22px 24px; background: var(--bg-soft);
  display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 22px 18px; align-content: start;
}
.pk .pk-page { position: relative; display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 8px; border: 0; border-radius: 12px; background: transparent; cursor: pointer; font: inherit; color: var(--muted); }
.pk .pk-page:hover { background: color-mix(in srgb, var(--accent) 7%, transparent); }
.pk .pk-sheet {
  position: relative; display: grid; place-items: center; width: 100%; aspect-ratio: 210 / 297; overflow: hidden;
  background: var(--paper); border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 2px 8px -3px rgba(0, 17, 60, .25);
  transition: opacity .15s, outline-color .15s; outline: 3px solid transparent; outline-offset: 2px;
}
.pk .pk-sheet canvas { width: 100%; height: 100%; object-fit: contain; display: block; }
.pk .pk-word { display: block; padding: 10% 9%; text-align: justify; font: 4.2px/1.45 var(--font-body); color: var(--paper-ink); }
.pk .pk-word span { display: block; margin-bottom: 2.5px; }
.pk .pk-word em { display: block; margin-top: 50%; text-align: center; font-size: 9px; color: #8a93a8; }
.pk .pk-num { font-size: .86rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.pk .pk-tick { position: absolute; top: 2px; right: 2px; display: none; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); box-shadow: 0 2px 6px rgba(0, 0, 0, .25); }
.pk .pk-tick svg { width: 14px; height: 14px; }
.pk .pk-grid:has(.pk-page.on) .pk-page:not(.on) .pk-sheet { opacity: .45; }
.pk .pk-page.on .pk-sheet { outline-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.pk .pk-page.on .pk-num { color: var(--accent); }
.pk .pk-page.on .pk-tick { display: grid; }
.pk .pk-page.edge .pk-sheet { outline-color: var(--accent); }
.pk .pk-page.anchor .pk-sheet { outline-color: var(--orange); }
.pk .pk-page.anchor .pk-tick { background: var(--orange); }
.pk .pk-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; padding: 14px 24px; border-top: 1px solid var(--line); background: var(--surface); }
.pk .pk-range { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; color: var(--muted); font-size: .92rem; }
.pk .pk-range b { color: var(--ink); }
.pk .pk-count { color: var(--ink); font-weight: 600; font-size: .92rem; }
.pk .pk-foot .spacer { flex: 1; }
.pk .pk-foot .btn { padding: 10px 20px; }

@media (max-width: 760px) {
  .cmp .files { grid-template-columns: minmax(0, 1fr); }
  .cmp .swap { justify-self: center; transform: rotate(90deg); }
  .cmp .cmp-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cmp .pchange { grid-template-columns: minmax(0, 1fr); }
  .cmp .view { padding: 16px; }
  .cmp .spacer { display: none; }
  .cmp .controls .btn { width: 100%; justify-content: center; }
  .cmp .range .pick { margin-left: 0; }
  .pk { width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0; border: 0; }
  .pk .pk-head, .pk .pk-hint, .pk .pk-foot { padding-left: 16px; padding-right: 16px; }
  .pk .pk-grid { padding: 16px; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 14px 10px; }
  .pk .pk-foot .spacer { display: none; }
  .pk .pk-foot .btn { flex: 1; justify-content: center; }
}