/* Asistente PDG - coordinator's desk. ESAN tokens measured from ue.edu.pe. */
:root {
  --red: #E3173E;
  --red-dark: #CA062C;
  --black: #000000;
  --ink: #141414;
  --bg: #F5F5F5;
  --white: #FFFFFF;
  --text: #222121;
  --text-2: #333333;
  --muted: #565656;
  --line: #E2E0DD;
  --line-strong: #B9B6B2;

  --prog-PADE: #2E2B70;
  --prog-PAE: #B11943;
  --prog-Diploma: #097D88;
  --prog-PEE: #0570B1;
  --prog-CIE: #981D7D;

  /* highlighter yellow: reserved for quoted text */
  --hl: rgba(255, 228, 92, .55);
  --hl-strong: rgba(255, 228, 92, .85);

  --green: #1E7B4F;
  --green-ink: #14603E;
  --green-bg: #E8F5EE;
  --amber: #B7791F;
  --amber-ink: #7A4B00;
  --amber-bg: #FFF3D6;
  --maroon: #75092E;
  --maroon-bg: #FBE9EE;

  --radius: 6px;
  --radius-sm: 4px;
  --shadow: 0 1px 2px rgba(49, 41, 41, .06);

  --f-head: "Raleway", "Hind Siliguri", sans-serif;
  --f-ui: "Hind Siliguri", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  --accent: var(--prog-PADE);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--text); font: 400 16px/1.5 var(--f-ui);
}
h1, h2, h3, h4, p { margin: 0; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
a { color: inherit; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { padding: 0; }

:focus-visible { outline: 3px solid var(--black); outline-offset: 2px; }
/* Columns receive programmatic focus (tabindex=-1) so screen readers announce results; no visible ring needed. */
.col[tabindex="-1"]:focus, .col[tabindex="-1"]:focus-visible { outline: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--black); color: #fff; padding: 8px 14px; z-index: 50; }
.skip:focus { left: 0; }

/* ---------- header ---------- */
.site-header { background: var(--white); border-bottom: 2px solid var(--red); }
.site-header__inner {
  max-width: 1680px; margin: 0 auto; padding: 10px 24px; min-height: 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand__logo { height: 36px; width: auto; display: block; }
.brand__wordmark { font: 800 34px/1 var(--f-head); color: var(--red-dark); text-transform: lowercase; letter-spacing: -.01em; }
.brand__divider { width: 1px; height: 28px; background: var(--line-strong); flex: none; }
.brand__name { font: 500 17px/1.2 var(--f-ui); color: var(--text-2); }
.portal-link {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font: 600 15px/1.2 var(--f-ui); color: var(--ink);
  padding: 8px 4px; border-bottom: 2px solid transparent;
}
.portal-link:hover { color: var(--red-dark); border-bottom-color: var(--red-dark); }
.portal-link i { font-size: 13px; }

/* ---------- title block ---------- */
.titlebar { max-width: 1680px; width: 100%; margin: 0 auto; padding: 28px 24px 4px; }
.titlebar__inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.page-title { font: 700 34px/1.1 var(--f-head); color: var(--ink); }
.page-sub { font: 400 17px/1.4 var(--f-ui); color: var(--muted); margin-top: 6px; }
.page-reg { font: 400 13px/1.4 var(--f-ui); color: var(--muted); margin-top: 2px; }

/* ---------- desk layout ---------- */
.desk {
  flex: 1; width: 100%; max-width: 1680px; margin: 0 auto; padding: 20px 24px 24px;
  display: grid; grid-template-columns: 26fr 40fr 34fr; gap: 20px; align-items: start;
}
.col { min-width: 0; }
.col--case { display: flex; flex-direction: column; gap: 20px; }
.panel { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
/* column 02 holds what goes to the student: a desaturated rose tint; the draft inside stays white (the text to copy) */
.col--answer.panel { background: #EDCED5; border-color: #D9A9B5; }
.col--source { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow: auto; }

.panel__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 12px; margin-bottom: 18px; }
.panel__head--split { justify-content: space-between; align-items: flex-start; gap: 8px 12px; }
.panel__head--split .panel__head-main { display: flex; flex-direction: column; flex: 1 1 auto; min-width: 0; }
.panel__head:not(.panel__head--split) { flex-direction: column; align-items: flex-start; gap: 0; }
.step__num { font: 700 14px/1 var(--f-head); color: var(--red-dark); letter-spacing: .08em; }
.step__dash { display: block; width: 24px; height: 3px; background: var(--red); margin: 8px 0 8px; border-radius: 2px; }
.step__title { font: 700 22px/1.2 var(--f-head); color: var(--ink); }

@media (max-width: 1099px) {
  .desk { grid-template-columns: 1fr; padding: 16px; }
  .titlebar { padding: 20px 16px 0; }
  .site-header__inner { padding: 10px 16px; }
  .col--source { position: static; max-height: none; overflow: visible; }
}
@media (max-width: 520px) {
  .page-title { font-size: 28px; }
  .brand__name { font-size: 15px; }
  .panel { padding: 16px; }
}

/* ---------- buttons ---------- */
.btn {
  border: 1px solid transparent; padding: 13px 20px; font-weight: 600; font-size: 15px; line-height: 1.2; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; transition: background-color .15s, border-color .15s;
}
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover:not(:disabled) { background: var(--red-dark); }
.btn--primary:disabled { background: #6f6f6f; cursor: not-allowed; }
.btn--block { width: 100%; }
.btn--sm { padding: 9px 16px; font-size: 14px; }
.btn--outline { background: #fff; color: var(--ink); border-color: var(--ink); }
.btn--outline:hover { background: #EFEFEF; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { background: #F0F0F0; border-color: var(--ink); }

/* ---------- case column ---------- */
.col--case[data-program="PADE"] { --accent: var(--prog-PADE); }
.col--case[data-program="PAE"] { --accent: var(--prog-PAE); }
.col--case[data-program="Diploma"] { --accent: var(--prog-Diploma); }
.col--case[data-program="PEE"] { --accent: var(--prog-PEE); }
.col--case[data-program="CIE"] { --accent: var(--prog-CIE); }

.case-form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 4px; position: relative; }
.field__label { font-weight: 600; font-size: 14px; color: var(--text); margin-bottom: 2px; }
.opt { font-weight: 400; color: var(--muted); }
textarea {
  width: 100%; resize: vertical; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 10px 12px; background: #fff;
  line-height: 1.45; min-height: 64px;
}
textarea:focus { outline: 3px solid var(--black); outline-offset: 0; border-color: var(--black); }
.field__hint { align-self: flex-end; font: 400 13px var(--f-ui); font-variant-numeric: tabular-nums; color: var(--muted); }
.form-error { color: var(--maroon); font-weight: 500; font-size: 14px; }
.form-error::before { content: "\f071"; font-family: "Font Awesome 6 Free"; font-weight: 900; margin-right: 6px; }
.kbd-hint { font-size: 12px; color: var(--muted); text-align: center; margin-top: -8px; }

/* segmented control (programs) */
.seg { display: flex; flex-wrap: wrap; }
.seg__btn {
  flex: 1 1 0; min-width: 56px; background: #fff; color: var(--ink); border: 1px solid var(--line-strong); margin-left: -1px;
  padding: 10px 8px; font-weight: 600; font-size: 15px; border-radius: 0;
}
.seg__btn:first-child { margin-left: 0; border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.seg__btn:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.seg__btn:hover:not([aria-checked="true"]) { background: #F0F0F0; }
.seg__btn:focus-visible { position: relative; z-index: 2; }
.seg__btn[aria-checked="true"] { background: var(--red); border-color: var(--red); color: #fff; position: relative; z-index: 1; }

/* model selector (radio group, only when LLM_MODEL_CHOICES has 2+ choices) */
.model-opts { display: flex; flex-direction: column; gap: 6px; }
.model-opt {
  display: grid; grid-template-columns: auto 1fr; column-gap: 10px; align-items: start; cursor: pointer;
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: #fff; padding: 8px 12px;
}
.model-opt:hover { background: #F7F7F7; }
.model-opt input { margin-top: 3px; accent-color: var(--red); }
.model-opt:has(input:checked) { border-color: var(--red); box-shadow: inset 3px 0 0 var(--red); }
.model-opt:has(input:focus-visible) { outline: 3px solid var(--black); }
.model-opt:has(input:disabled) { cursor: not-allowed; opacity: .6; }
.model-opt__label { font-weight: 600; font-size: 14px; color: var(--ink); }
.model-opt__desc { grid-column: 2; font-size: 13px; color: var(--muted); }
.progress__note { margin-top: 10px; font-size: 14px; color: var(--muted); }
.model-note { margin: 8px 0 0; font-size: 13px; color: var(--muted); }
.hist-item__model { flex: none; max-width: 38%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 400 11px var(--f-ui); color: var(--muted); }

/* history */
.history__title { font: 600 15px var(--f-ui); color: var(--text); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.history__title i { color: var(--muted); }
.history__note { font-size: 13px; color: var(--muted); margin: -2px 0 8px; }
.paper__save { font-size: 12px; color: var(--muted); margin-right: auto; }
.history__empty { font-size: 14px; color: var(--muted); }
.history__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.hist-item {
  width: 100%; text-align: left; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 8px 10px; display: flex; align-items: center; gap: 8px;
}
.hist-item:hover { border-color: var(--ink); }
.hist-item[aria-current="true"] { border-color: var(--red); box-shadow: inset 3px 0 0 var(--red); }
.chip { color: #fff; font: 500 11px/1 var(--f-ui); padding: 4px 7px; border-radius: 10px; flex: none; background: var(--c, var(--muted)); }
.chip[data-program="PADE"] { --c: var(--prog-PADE); }
.chip[data-program="PAE"] { --c: var(--prog-PAE); }
.chip[data-program="Diploma"] { --c: var(--prog-Diploma); }
.chip[data-program="PEE"] { --c: var(--prog-PEE); }
.chip[data-program="CIE"] { --c: var(--prog-CIE); }
.hist-item__text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.hist-item__time { font: 400 11px var(--f-ui); color: var(--muted); flex: none; }

/* ---------- status pill ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 8px; background: var(--green-bg); color: var(--green-ink); border: 1px solid #BFE0CE;
  border-radius: 999px; padding: 5px 12px; font: 600 13px/1.2 var(--f-ui); white-space: nowrap;
}
.pill__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); }

/* ---------- empty / progress / error ---------- */
.empty { background: #FAFAFA; border: 1px dashed var(--line-strong); border-radius: var(--radius); padding: 28px 22px; color: var(--muted); text-align: center; }
.empty__icon { font-size: 30px; color: var(--line-strong); margin-bottom: 10px; }
.empty__title { font-weight: 600; color: var(--text); margin-bottom: 4px; }

.progress { background: #FAFAFA; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.progress__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.progress__list li { display: flex; gap: 12px; align-items: center; color: var(--muted); }
.progress__list li i { width: 20px; text-align: center; }
.progress__list li.is-active { color: var(--text); font-weight: 600; }
.progress__list li.is-active i { color: var(--red-dark); }
.progress__list li.is-done { color: var(--text); }
.progress__list li.is-done i { color: var(--green); }
.progress__elapsed { margin-top: 14px; font: 400 14px var(--f-ui); font-variant-numeric: tabular-nums; color: var(--muted); }

.error-box { display: flex; gap: 14px; background: var(--maroon-bg); border-left: 6px solid var(--maroon); border-radius: var(--radius-sm); padding: 20px; }
.error-box > i { color: var(--maroon); font-size: 22px; margin-top: 3px; }
.error-box__title { font-weight: 600; margin-bottom: 4px; }
.error-box .btn { margin-top: 12px; }

/* ---------- answer ---------- */
#answer { display: flex; flex-direction: column; gap: 16px; }
.status {
  display: flex; gap: 14px; align-items: flex-start; background: #fff; border-radius: var(--radius-sm);
  border: 1px solid var(--line); border-left: 8px solid var(--s); padding: 14px 18px;
}
.status[data-level="green"] { --s: var(--green); }
.status[data-level="amber"] { --s: var(--amber); }
.status[data-level="maroon"] { --s: var(--maroon); }
.status__icon { color: var(--s); font-size: 24px; margin-top: 2px; width: 28px; text-align: center; }
.status__label { font-weight: 600; font-size: 17px; line-height: 1.3; }
.status__reason { font-size: 14px; color: var(--muted); margin-top: 2px; }

/* the draft is what goes to the student: white paper inside the tinted column; the reasoning sits back in gray */
.paper { background: var(--white); border: 1px solid #D9A9B5; border-radius: var(--radius); padding: 18px 22px 20px; box-shadow: 0 2px 8px rgba(49, 41, 41, .08); }
.paper__bar { display: flex; align-items: center; justify-content: space-between; gap: 8px 12px; flex-wrap: wrap; margin-bottom: 12px; }
.paper__title { font: 700 15px var(--f-ui); color: var(--red-dark); display: flex; align-items: center; gap: 8px; }
.paper__text { font-size: 17px; line-height: 1.75; color: var(--text); overflow-wrap: anywhere; }
.paper__edit { font-size: 17px; line-height: 1.6; min-height: 220px; background: #fff; }
.paper__edited { font-size: 13px; color: var(--amber-ink); margin-top: 12px; }
.paper__legend { font-size: 13px; color: var(--muted); margin-top: 14px; }
.paper .btn--primary { margin-top: 16px; }

.hl {
  background: var(--hl); color: inherit; padding: 1px 2px; border-radius: 3px; cursor: pointer;
  -webkit-box-decoration-break: clone; box-decoration-break: clone; transition: background-color .15s;
}
.hl:hover, .hl.is-focus { background: var(--hl-strong); }
.hl--legend { cursor: default; padding: 0 3px; }
/* v4 claim guard: red wavy underline = no source behind a figure / other-program rule (yellow stays for cited text) */
.unsupported, .hl.is-unsupported {
  text-decoration: underline wavy var(--red-dark); text-decoration-thickness: 1.5px; text-underline-offset: 4px;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.unsupported--legend { cursor: default; }
.flag { position: relative; display: inline-block; margin-left: 4px; vertical-align: baseline; white-space: nowrap; }
.flag__tag {
  display: inline-flex; align-items: center; gap: 4px; font: 600 12px/1.4 var(--f-ui); color: var(--red-dark);
  background: var(--maroon-bg); border: 1px solid var(--red-dark); border-radius: 999px; padding: 0 8px; cursor: help;
}
.flag__tag i { font-size: 11px; }
.flag__tip {
  display: none; position: absolute; z-index: 20; left: 0; top: calc(100% + 6px); width: min(300px, 80vw); white-space: normal;
  background: var(--ink); color: #fff; font: 400 13px/1.45 var(--f-ui); padding: 8px 10px; border-radius: var(--radius-sm); box-shadow: 0 4px 14px rgba(0, 0, 0, .25);
}
.flag:hover .flag__tip, .flag__tag:focus + .flag__tip, .flag__tag:focus-visible + .flag__tip, .flag.is-open .flag__tip { display: block; }
.claim-banner {
  display: flex; align-items: flex-start; gap: 8px; margin: 0 0 12px; padding: 8px 12px; font-size: 15px; font-weight: 600; line-height: 1.4;
  color: var(--maroon); background: var(--maroon-bg); border: 1px solid var(--red-dark); border-left-width: 6px; border-radius: var(--radius-sm);
}
.claim-banner i { margin-top: 3px; color: var(--red-dark); }
.mk { color: var(--text); font-weight: 600; margin-left: 1px; }
.mk button {
  background: none; border: 0; padding: 0 1px; color: var(--red-dark); font-weight: 700; font-size: inherit; line-height: 1; text-decoration: underline;
}
.mk button:hover { color: var(--black); }

/* actions for the coordinator */
.actions { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.actions__title { font: 700 17px/1.3 var(--f-head); color: var(--ink); display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.actions__title i { color: var(--red-dark); font-size: 15px; }
.actions__empty { font-size: 15px; color: var(--muted); }
.actions__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.action { display: flex; gap: 10px; align-items: flex-start; font-size: 16px; line-height: 1.5; }
.action__box { flex: none; width: 18px; height: 18px; margin-top: 3px; border: 2px solid var(--line-strong); border-radius: 4px; }
.action__warn { font-size: 13px; color: var(--maroon); margin-left: 6px; white-space: nowrap; }

.note { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); }
.note summary { padding: 13px 18px; font-weight: 600; color: var(--muted); cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.note summary::-webkit-details-marker { display: none; }
.note summary::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 12px; color: var(--muted); transition: transform .15s; margin-left: auto; }
.note[open] summary::after { transform: rotate(180deg); }
.note__flag { font: 600 12px/1 var(--f-ui); color: var(--amber-ink); background: var(--amber-bg); border-radius: 10px; padding: 4px 8px; }
.note__body { padding: 0 18px 16px; display: flex; flex-direction: column; gap: 12px; font-size: 15px; }
.note__body h4 { font: 600 14px var(--f-ui); color: var(--muted); margin-bottom: 2px; }
.note__body ul { margin: 0; padding-left: 20px; }

.conflict { background: #FFF8E1; border: 1px solid var(--amber); border-radius: var(--radius-sm); padding: 12px 14px; }
.note__body .conflict__title { font: 600 15px var(--f-ui); color: var(--text); margin: 0; }
.conflict__title i { color: var(--amber); }
.conflict__title span { font-weight: 400; color: var(--muted); font-size: 14px; }
.conflict p#conflict-text { margin-top: 6px; }
.conflict__foot { font-size: 13px; color: var(--muted); margin-top: 8px; }

/* v5 reasoning blocks */
.rs p { margin: 0; line-height: 1.5; }
.rs + .rs { margin-top: 12px; }
.note__body .rs h4 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rs .action__warn { white-space: normal; }

/* structured source conflicts */
.conflicts { background: #FFF8E1; border: 1px solid var(--amber); border-radius: var(--radius-sm); padding: 12px 14px; }
.note__body .conflicts__title { font: 600 15px var(--f-ui); color: var(--text); margin: 0 0 8px; }
.conflicts__title i { color: var(--amber); }
.conflicts__list { display: flex; flex-direction: column; gap: 10px; }
.cf { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; }
.cf__topic { font-weight: 600; margin: 0 0 8px; }
.cf__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 640px) { .cf__cols { grid-template-columns: 1fr; } }
.cf__side { min-width: 0; }
.cf__label { font: 600 12px var(--f-ui); color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 2px; }
.cf__doc { font-size: 14px; font-weight: 600; margin: 0 0 4px; }
.cf__quote { margin: 0; padding: 6px 10px; border-left: 3px solid var(--amber); background: #FFFCF3; font-size: 14px; overflow-wrap: anywhere; }
.cf__applied { font-size: 14px; margin: 8px 0 0; }


.dispatch { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.dispatch h3 { font: 600 14px var(--f-ui); margin-bottom: 10px; }
.segmented { display: flex; flex-wrap: wrap; }
.verdict {
  flex: 1 1 0; min-width: 150px; background: #fff; color: var(--ink); border: 1px solid var(--ink); border-radius: 0;
  margin-left: -1px; padding: 12px 10px; font-weight: 600; font-size: 15px;
}
.verdict:first-child { margin-left: 0; border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.verdict:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.verdict:hover:not(:disabled):not([aria-pressed="true"]) { background: #EFEFEF; }
.verdict:focus-visible { position: relative; z-index: 2; }
.verdict[aria-pressed="true"] { background: var(--red); border-color: var(--red); color: #fff; position: relative; z-index: 1; }
.verdict:disabled { cursor: default; }
.verdict:disabled[aria-pressed="false"] { color: var(--muted); border-color: var(--line-strong); }
.dispatch__comment { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.dispatch__comment label { font-weight: 600; font-size: 14px; }
.dispatch__comment .btn { align-self: flex-start; }
.dispatch__thanks { margin-top: 12px; }
.dispatch__thanks i { color: var(--green); }

/* ---------- sources ---------- */
.sources { display: flex; flex-direction: column; gap: 14px; }
.src {
  background: #FFFEFB; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 16px 14px;
  scroll-margin-top: 8px; transition: box-shadow .2s, border-color .2s;
}
.src.is-focus { border-color: var(--ink); box-shadow: 0 0 0 3px var(--hl-strong); }
.src__head { display: flex; gap: 12px; align-items: flex-start; }
.src__nums { display: flex; flex-direction: row; flex-wrap: wrap; gap: 6px; flex: none; max-width: 110px; }
.src__num {
  flex: none; min-width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--red); color: var(--red-dark); background: #fff;
  font: 700 13px/22px var(--f-ui); text-align: center; padding: 0 4px;
}
.src__num--action { border-style: dashed; }
.src__num--reason { border-style: dotted; }
.src__num--conflict { border-color: var(--amber); }
.src__meta { min-width: 0; flex: 1; }
.src__doc { font-weight: 600; line-height: 1.3; }
.src__ref { font: 400 14px/1.4 var(--f-ui); color: var(--muted); margin-top: 2px; }
.src__tags { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; margin-top: 8px; }
.aud { font: 600 12px/1 var(--f-ui); padding: 5px 9px; border-radius: 10px; white-space: nowrap; border: 1px solid transparent; }
.aud--student { background: var(--green-bg); color: var(--green-ink); border-color: #BFE0CE; }
.aud--internal { background: var(--maroon-bg); color: var(--maroon); border-color: #EBC3CF; }
.aud--mixed { background: var(--amber-bg); color: var(--amber-ink); border-color: #EBD49A; }
.src__uses { font: 400 13px/1.4 var(--f-ui); color: var(--muted); }
.src__excerpt {
  font: 400 16px/1.7 var(--f-serif); color: var(--text-2); margin: 14px 0; padding-left: 14px; border-left: 3px solid var(--line); white-space: pre-wrap;
}
.src__excerpt .ell { color: var(--muted); }
.src__excerpt mark { background: var(--hl); color: inherit; padding: 1px 2px; border-radius: 3px; -webkit-box-decoration-break: clone; box-decoration-break: clone; scroll-margin: 80px; }
.src__excerpt mark.is-hover { background: var(--hl-strong); }
.src__excerpt mark.pulse { animation: pulse 1.1s ease-in-out 2; outline: 2px solid var(--black); outline-offset: 1px; }
@keyframes pulse { 0%, 100% { background: var(--hl); } 50% { background: rgba(255, 228, 92, 1); } }
.src__sup { font: 700 11px var(--f-ui); color: var(--red-dark); margin: 0 3px 0 1px; vertical-align: super; line-height: 0; }
.src__unverified { font: italic 400 15px/1.6 var(--f-serif); color: var(--muted); margin: 14px 0; padding-left: 14px; border-left: 3px solid var(--maroon); }
.src__status { list-style: none; margin: 0 0 10px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.src__status li { display: flex; align-items: center; gap: 6px; }
.src__sn { font: 700 11px/16px var(--f-ui); min-width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid var(--red); color: var(--red-dark); text-align: center; }
.badge { font-size: 13px; font-weight: 600; padding: 2px 9px; border-radius: 12px; border: 1.5px solid currentColor; white-space: nowrap; }
.badge--ok { color: var(--green-ink); }
.badge--fix { color: var(--amber-ink); }
.badge--bad { color: var(--maroon); }
.src__note { font-size: 13px; color: var(--muted); margin: 0 0 8px; }
.src__file { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 4px; }
.src__file > i { font-size: 22px; color: var(--muted); flex: none; width: 24px; text-align: center; }
.src__file-meta { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.src__file-name { font: 500 14px/1.3 var(--f-ui); overflow-wrap: anywhere; }
.src__file-sub { font: 400 13px/1.3 var(--f-ui); color: var(--muted); }
.src__file-link { flex: none; font: 600 14px/1.2 var(--f-ui); color: var(--red-dark); text-decoration: none; border-bottom: 2px solid transparent; padding: 4px 0; }
.src__file-link:hover { border-bottom-color: var(--red-dark); }
.src__file-link > i { margin-right: 2px; }
.src-table td .src__file-link { display: inline-block; }

.linked { margin-top: 16px; border-top: 1px solid var(--line); padding-top: 12px; }
.linked summary { cursor: pointer; list-style: none; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 8px; }
.linked summary::-webkit-details-marker { display: none; }
.linked summary::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: 12px; color: var(--muted); grid-column: 2; grid-row: 1; transition: transform .15s; }
.linked[open] summary::after { transform: rotate(180deg); }
.linked__head { font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.linked__sum { grid-column: 1 / -1; font-size: 14px; color: var(--muted); line-height: 1.4; }
.linked__count { font: 600 12px/1 var(--f-ui); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 3px 8px; color: var(--muted); }
.linked__list { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.linked__item { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px 10px; font-size: 14px; padding: 6px 0; border-top: 1px solid var(--line); }
.linked__item:first-child { border-top: 0; }
.linked__item--cited .linked__title { font-weight: 700; color: var(--ink); }
.linked__item--rest { color: var(--muted); flex-wrap: wrap; }
.linked__item--rest .linked__title { flex: 1 1 60%; min-width: 0; }
.linked__item--rest .linked__nums { font-style: italic; font-size: 13px; }
.linked__item .aud { flex: none; }
.linked__btn { flex: 1 1 auto; min-width: 0; text-align: left; background: none; border: 0; padding: 2px 0; display: flex; flex-direction: column; gap: 2px; cursor: pointer; }
.linked__btn:hover .linked__title { color: var(--red-dark); text-decoration: underline; }
.linked__item--cited .linked__nums { font-size: 13px; color: var(--muted); font-weight: 400; }
.linked__foot { font-size: 13px; color: var(--amber-ink); margin-top: 8px; }
.linked__more { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; font: 600 14px var(--f-ui); color: var(--red-dark); text-decoration: none; border-bottom: 2px solid transparent; padding: 4px 0; }
.linked__more:hover { border-bottom-color: var(--red-dark); }

/* ---------- draft layout (paragraphs and lists) ---------- */
.draft__p { margin: 0 0 .9em; }
.draft__list { margin: 0 0 .9em; padding-left: 1.5em; }
.draft__list li { margin: 0 0 .3em; padding-left: .2em; }
.paper__text > :last-child { margin-bottom: 0; }

/* ---------- copy buttons ---------- */
.copy-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.copy-row .btn { margin-top: 0; }
.copy-warn { margin-top: 10px; font-size: 14px; color: var(--amber-ink); background: var(--amber-bg); border: 1px solid #EBD49A; border-radius: var(--radius-sm); padding: 8px 12px; }
.copy-warn i { margin-right: 6px; }

/* ---------- header nav ---------- */
.site-nav { display: flex; align-items: center; gap: 4px 20px; flex-wrap: wrap; }

/* ---------- history: in-flight / failed items ---------- */
.hist-item__ic { flex: none; color: var(--red-dark); font-size: 13px; }
.hist-item--pending { border-color: var(--red); background: #FFF8F9; }
.hist-item--error .hist-item__ic { color: var(--maroon); }
.hist-item--error .hist-item__text { color: var(--muted); }

/* ---------- toast ---------- */
.toast-region { position: fixed; right: 16px; bottom: 16px; z-index: 60; max-width: min(440px, calc(100vw - 32px)); }
.toast { display: flex; align-items: center; gap: 12px; background: var(--ink); color: #fff; border-radius: var(--radius); padding: 12px 12px 12px 16px; box-shadow: 0 6px 24px rgba(0, 0, 0, .28); }
.toast__text { flex: 1; font-size: 15px; line-height: 1.35; }
.toast .btn { flex: none; }
.toast__close { flex: none; background: none; border: 0; color: #fff; width: 32px; height: 32px; border-radius: 50%; }
.toast__close:hover { background: rgba(255, 255, 255, .16); }
.toast :focus-visible { outline-color: #fff; }
@media (max-width: 520px) { .toast-region { left: 16px; right: 16px; max-width: none; } }

/* ---------- sources catalog (/fuentes) ---------- */
.sources-page { max-width: 1100px; }
.src-meta { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.src-meta code { font-family: var(--f-mono); font-size: 13px; }
.src-group { margin-bottom: 28px; }
.src-group h2 { font: 700 20px/1.2 var(--f-head); color: var(--ink); display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.src-table-wrap { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow-x: auto; }
.src-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.src-table th, .src-table td { text-align: left; padding: 11px 14px; vertical-align: top; border-top: 1px solid var(--line); }
.src-table thead th { border-top: 0; font: 600 13px var(--f-ui); color: var(--muted); background: #FAFAFA; white-space: nowrap; }
.src-table tbody th { font-weight: 500; color: var(--ink); min-width: 220px; }
.src-muted { color: var(--muted); }
.dir-entry { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 12px; }
.dir-entry h3 { font: 600 17px/1.3 var(--f-ui); display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.dir-entry dl { margin: 0; display: grid; gap: 4px; }
.dir-entry dl > div { display: grid; grid-template-columns: 160px 1fr; gap: 8px; }
.dir-entry dt { color: var(--muted); font-size: 14px; }
.dir-entry dd { margin: 0; overflow-wrap: anywhere; }
.case-page > h2 { font: 700 20px/1.2 var(--f-head); color: var(--ink); margin: 22px 0 10px; }
.dir-note { margin-top: 12px; }
/* 860px: below this the 6-column catalog table no longer fits (measured ~17px overflow at 800px) -> stacked cards */
@media (max-width: 860px) {
  .src-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .src-table, .src-table tbody, .src-table tr, .src-table th, .src-table td { display: block; }
  .src-table tr { border-top: 1px solid var(--line); padding: 8px 0; }
  .src-table tr:first-child { border-top: 0; }
  .src-table th, .src-table td { border: 0; padding: 4px 14px; min-width: 0 !important; }
  .src-table td::before { content: attr(data-label) ": "; color: var(--muted); font-size: 13px; }
  .dir-entry dl > div { grid-template-columns: 1fr; gap: 0; }
}

footer.foot {
  max-width: 1680px; width: 100%; margin: 0 auto; padding: 14px 24px 24px; display: flex; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap;
  font: 400 13px var(--f-ui); color: var(--muted);
}

/* ---------- read-only pages (/fuentes, /base) ---------- */
.case-page { max-width: 880px; width: 100%; margin: 0 auto; padding: 24px; flex: 1; }
.case-page__back { display: inline-flex; align-items: center; gap: 8px; font: 600 15px var(--f-ui); color: var(--red-dark); text-decoration: none; margin-bottom: 14px; }
.case-page__back:hover { text-decoration: underline; }
.case-page h1 { font: 700 30px/1.15 var(--f-head); color: var(--ink); margin-bottom: 4px; }
.case-page__sub { color: var(--muted); margin-bottom: 16px; }
.case-banner { display: flex; gap: 12px; align-items: flex-start; background: var(--amber-bg); border: 1px solid #EBD49A; border-left: 6px solid var(--amber); border-radius: var(--radius-sm); padding: 12px 16px; color: var(--amber-ink); font-weight: 600; margin-bottom: 18px; }

/* ---------- base de conocimiento (/base) ---------- */
.kb-page { max-width: 1100px; }
.kb-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 28px; }
.kb-card h2 { font: 700 20px/1.2 var(--f-head); color: var(--ink); margin-bottom: 10px; }
.kb-version { font: 600 17px/1.4 var(--f-ui); color: var(--ink); margin-bottom: 14px; overflow-wrap: anywhere; }
.kb-card .case-banner { margin-bottom: 14px; }
.kb-actions { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 20px; }
.kb-actions__btns { display: flex; flex-wrap: wrap; gap: 10px; }
.kb-actions .btn:disabled { cursor: not-allowed; }
.btn--outline:disabled { color: var(--muted); border-color: var(--line-strong); background: #F5F5F5; }
.kb-field { display: flex; flex-direction: column; gap: 4px; margin: 0 0 14px; }
.kb-actions .kb-field { margin: 0; flex: 1 1 240px; max-width: 360px; }
.kb-field label, .kb-field legend { font-weight: 600; font-size: 14px; color: var(--text); }
.kb-field input[type="text"], .kb-field select {
  width: 100%; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 10px 12px; background: #fff; min-height: 44px;
}
.kb-field input[type="file"] { width: 100%; padding: 8px 0; }
.kb-field input:focus, .kb-field select:focus { outline: 3px solid var(--black); outline-offset: 0; border-color: var(--black); }
.kb-busy { margin-top: 14px; font-weight: 600; color: var(--text); display: flex; gap: 8px; align-items: center; }
.kb-busy i { color: var(--red-dark); }
.kb-progress { margin-top: 14px; }
.progress__list li.is-error { color: var(--maroon); font-weight: 600; }
.progress__list li.is-error i { color: var(--maroon); }
.kb-card .error-box { margin-top: 14px; }
.kb-notice { margin-top: 14px; padding: 12px 16px; border: 1px solid #EBD49A; border-left: 6px solid var(--amber); background: var(--amber-bg); color: var(--amber-ink); border-radius: var(--radius-sm); font-weight: 600; }
.kb-notice--ok { border-color: #BFE0CE; border-left-color: var(--green); background: var(--green-bg); color: var(--green-ink); }
.kb-notice--warn { border-color: #EBD49A; border-left-color: var(--amber); background: var(--amber-bg); color: var(--amber-ink); }
.kb-last { margin: 0; display: grid; gap: 6px; }
.kb-last > div { display: grid; grid-template-columns: 140px 1fr; gap: 8px; }
.kb-last dt { color: var(--muted); font-size: 14px; }
.kb-last dd { margin: 0; overflow-wrap: anywhere; }
.kb-ok { color: var(--green-ink); font-weight: 600; }
.kb-bad { color: var(--maroon); font-weight: 600; }
.kb-warn { color: var(--amber-ink); font-weight: 600; }
.kb-omitted { margin: 0; padding-left: 18px; }
.kb-omitted li + li { margin-top: 4px; }
.progress__list li.is-warn { color: var(--amber-ink); }
.kb-ruta { overflow-wrap: anywhere; font-size: 14px; color: var(--text-2); }
.kb-unused { list-style: none; margin: 0; padding: 0; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.kb-unused:empty { display: none; }
.kb-unused li { padding: 12px 16px; border-top: 1px solid var(--line); }
.kb-unused li:first-child { border-top: 0; }
.kb-unused__group { background: #FAFAFA; display: flex; flex-wrap: wrap; gap: 2px 12px; align-items: baseline; }
.kb-unused__group span { color: var(--muted); font-size: 14px; }
.kb-unused__item { border-left: 4px solid var(--line-strong); }
.kb-unused__item--pendiente { border-left-color: var(--amber); }
.kb-unused__item--error { border-left-color: var(--maroon); }
.kb-unused__item--omitido { border-left-color: var(--amber); background: var(--amber-bg); }
.kb-unused__group--omitido { background: var(--amber-bg); color: var(--amber-ink); }
.kb-unused__group--omitido span { color: var(--amber-ink); }
.kb-unused__date { font-weight: 600; }
.kb-unused__top { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.kb-unused__title { font-weight: 600; overflow-wrap: anywhere; }
.kb-unused__id { font: 400 12px var(--f-mono); color: var(--muted); }
.kb-unused__reason { margin-top: 2px; font-size: 15px; overflow-wrap: anywhere; }
.kb-unused__ruta { margin-top: 2px; font-size: 13px; color: var(--muted); overflow-wrap: anywhere; }
.kb-unused__empty { color: var(--muted); }
.kb-dialog { border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 24px; width: min(640px, calc(100vw - 24px)); max-height: calc(100vh - 24px); overflow: auto; color: var(--text); }
.kb-dialog::backdrop { background: rgba(20, 20, 20, .55); }
.kb-dialog h2 { font: 700 22px/1.2 var(--f-head); color: var(--ink); margin-bottom: 6px; }
.kb-dialog__lead { color: var(--muted); font-size: 15px; margin-bottom: 16px; }
.kb-dialog__btns { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.kb-field--radios { gap: 8px; }
.kb-radio { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); cursor: pointer; font-weight: 400; }
.kb-radio:has(input:checked) { border-color: var(--red); background: #FFF8F9; }
.kb-radio input { margin-top: 5px; flex: none; }
.kb-radio strong { display: block; }
.kb-radio__help { display: block; font-size: 14px; color: var(--muted); font-weight: 400; }
.kb-chip { flex-wrap: wrap; }
.kb-chip__ver { font: 400 12px/1 var(--f-ui); color: var(--muted); }
.kb-chip__ver:not(:empty)::before { content: "· "; }
@media (max-width: 520px) {
  .kb-card { padding: 16px; }
  .kb-actions__btns, .kb-actions__btns .btn { width: 100%; }
  .kb-actions .kb-field { max-width: none; }
  .kb-last > div { grid-template-columns: 1fr; gap: 0; }
  .kb-dialog { padding: 16px; }
  .kb-dialog__btns .btn { flex: 1 1 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .fa-spin { animation: none !important; }
}

/* ---------- header: sign out ---------- */
.logout-form { margin: 0; display: inline-flex; }
.logout-btn { background: none; border: 0; border-bottom: 2px solid transparent; cursor: pointer; }

/* ---------- login page ---------- */
.login-body { background: var(--bg); }
.login-bar { background: var(--red); display: flex; justify-content: center; align-items: center; padding: 22px 16px; }
.login-bar__logo { height: 44px; width: auto; display: block; }
.login-rule { height: 4px; background: var(--white); border-bottom: 1px solid var(--red-dark); }
.login-main { flex: 1; width: 100%; max-width: 520px; margin: 0 auto; padding: 40px 16px 48px; text-align: center; }
.login-title { font: 700 32px/1.15 var(--f-head); color: var(--ink); }
.login-sub { font: 400 17px/1.4 var(--f-ui); color: var(--muted); margin: 10px auto 28px; max-width: 440px; }
.login-card { background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--red); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px 24px 24px; text-align: left; }
.login-card__title { font: 700 20px/1.2 var(--f-head); color: var(--ink); margin-bottom: 16px; }
.login-live:empty { display: none; }
.login-error { font-size: 15px; color: var(--maroon); background: var(--maroon-bg); border: 1px solid #E8B4C2; border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 16px; }
.login-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.login-field label { font: 600 15px/1.2 var(--f-ui); color: var(--ink); }
.login-field input {
  width: 100%; box-sizing: border-box; padding: 11px 12px; font-size: 16px; line-height: 1.3; background: #fff;
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
}
.login-field input:focus-visible { outline: 3px solid var(--black); outline-offset: 1px; border-color: var(--ink); }
.login-pass { position: relative; display: flex; }
.login-pass input { padding-right: 92px; }
.login-toggle {
  position: absolute; top: 4px; right: 4px; bottom: 4px; padding: 0 12px; background: #fff; color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm); font: 600 14px/1 var(--f-ui);
}
.login-toggle:hover { background: #EFEFEF; border-color: var(--ink); }
.login-toggle:focus-visible { outline: 3px solid var(--black); outline-offset: 1px; }
.login-submit { margin-top: 8px; padding: 14px 20px; font-size: 16px; }
.login-foot { background: var(--ink); color: #fff; text-align: center; padding: 18px 16px; font: 400 14px/1.4 var(--f-ui); }
@media (max-width: 520px) {
  .login-title { font-size: 26px; }
  .login-main { padding-top: 28px; }
  .login-card { padding: 22px 16px 18px; }
}

/* ---------- cost / model footer under the answer (SHOW_COST_FOOTER) ---------- */
.cost-footer { margin-top: 18px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 13px; line-height: 1.5; color: var(--muted); }
.cost-footer__wrap { position: relative; display: inline-block; }
.cost-footer__cost { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: help; text-decoration: underline dotted; text-underline-offset: 3px; }
.cost-footer__cost:hover, .cost-footer__cost:focus-visible { color: var(--ink); }
.cost-footer__cost:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 2px; }
.cost-footer__tip { display: none; position: absolute; left: 0; bottom: calc(100% + 6px); z-index: 20; width: min(340px, 80vw); padding: 10px 12px; background: var(--white); color: var(--text); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); box-shadow: 0 4px 14px rgba(0, 0, 0, .15); font-size: 13px; text-align: left; }
.cost-footer__tip-line { display: block; }
.cost-footer__tip-line + .cost-footer__tip-line { margin-top: 4px; }
.cost-footer__wrap:hover .cost-footer__tip, .cost-footer__wrap:focus-within .cost-footer__tip, .cost-footer__wrap.is-open .cost-footer__tip { display: block; }
@media print { .cost-footer { display: none !important; } }

/* ---------- /consumo ---------- */
.src-muted { color: var(--muted); }
.consumo-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 6px 0 18px; }
.consumo-filter label { font: 600 15px var(--f-ui); color: var(--ink); }
.consumo-filter select { font: 15px var(--f-ui); padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--white); color: var(--text); min-height: 38px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin: 10px 0 24px; }
.stat { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 16px; }
.stat dt { font: 600 13px var(--f-ui); color: var(--muted); }
.stat dd { margin: 4px 0 0; font: 700 26px/1.15 var(--f-head); color: var(--ink); overflow-wrap: anywhere; }
@media (max-width: 480px) { .stats { grid-template-columns: 1fr 1fr; } .stat dd { font-size: 21px; } }