@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url("fonts/inter-latin-400-normal.woff2") format("woff2");}
@font-face{font-family:Inter;font-weight:500;font-display:swap;src:url("fonts/inter-latin-500-normal.woff2") format("woff2");}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url("fonts/inter-latin-600-normal.woff2") format("woff2");}
@font-face{font-family:Inter;font-weight:700;font-display:swap;src:url("fonts/inter-latin-700-normal.woff2") format("woff2");}
@font-face{font-family:Inter;font-weight:800;font-display:swap;src:url("fonts/inter-latin-800-normal.woff2") format("woff2");}
@font-face{font-family:"Space Grotesk";font-weight:500;font-display:swap;src:url("fonts/space-grotesk-latin-500-normal.woff2") format("woff2");}
@font-face{font-family:"Space Grotesk";font-weight:700;font-display:swap;src:url("fonts/space-grotesk-latin-700-normal.woff2") format("woff2");}

:root{
  --usach-purple:#8C4799;
  --usach-purple-dark:#66356F;
  --usach-purple-soft:#EFE3F2;
  --usach-orange:#EA7600;
  --usach-teal:#00A499;
  --usach-blue:#002F6C;
  --usach-gray:#394049;

  --bg:#F6F3F8;
  --surface:#FFFFFF;
  --surface-soft:#FBF9FC;
  --surface-purple:#F4EAF6;
  --surface-orange:#FFF1E4;
  --ink:#202733;
  --ink-soft:#394049;
  --muted:#6C6573;
  --faint:#A59AAD;
  --line:#E4DAEA;
  --line-soft:#F0EAF3;
  --accent:var(--usach-purple);
  --accent-2:var(--usach-purple-dark);
  --amber:var(--usach-orange);
  --teal:var(--usach-teal);
  --radius:10px;
  --radius-sm:8px;
  --shadow-xs:0 1px 2px rgba(45,35,55,.05);
  --shadow-sm:0 8px 22px rgba(45,35,55,.07);
  --shadow-md:0 18px 42px rgba(45,35,55,.12);
}

*{box-sizing:border-box;}
html,body{margin:0;min-height:100%;overflow-x:hidden;}
body{
  color:var(--ink);
  background:linear-gradient(180deg,#fff 0,#fff 216px,var(--bg) 216px,var(--bg) 100%);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
body::selection{background:#E7D1EC;}
img{max-width:100%;height:auto;}
h1,h2,h3,h4,h5{
  margin:0;
  color:var(--ink);
  font-family:"Space Grotesk",Inter,sans-serif;
  font-weight:700;
  line-height:1.12;
}
a{color:var(--accent-2);font-weight:700;text-decoration:none;}
a:hover{text-decoration:underline;}

.wrap{
  max-width:1240px;
  margin:0 auto;
  padding:30px 28px 64px;
}

.masthead{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.985);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(45,35,55,.04);
  backdrop-filter:saturate(135%) blur(10px);
}
.masthead-inner{
  max-width:1240px;
  margin:0 auto;
  padding:18px 28px 0;
}
.brand-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
}
.brand-left{
  display:flex;
  align-items:center;
  gap:16px;
  min-width:0;
}
.brand-logo{width:auto;height:50px;flex:0 0 auto;}
.brand-rule{
  width:1px;
  height:50px;
  background:linear-gradient(180deg,var(--accent),var(--amber));
}
.brand-titles{min-width:0;}
.brand-kicker{
  color:var(--accent-2);
  font-size:10px;
  font-weight:800;
  letter-spacing:.22em;
  text-transform:uppercase;
}
.brand-title{
  margin-top:2px;
  color:var(--ink);
  font-size:1.62rem;
  font-weight:800;
}
.brand-sub{
  margin-top:2px;
  color:var(--muted);
  font-size:.84rem;
}
.brand-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.brand-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 12px;
  border:1px solid #D9C1E0;
  border-radius:999px;
  color:var(--accent-2);
  background:var(--surface-purple);
  font-size:.75rem;
  font-weight:800;
  white-space:nowrap;
}
.selector-back{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:36px;
  padding:8px 13px;
  border:1px solid #D9C1E0;
  border-radius:999px;
  color:var(--accent-2);
  background:#fff;
  box-shadow:var(--shadow-xs);
  text-decoration:none;
  font-size:.78rem;
  font-weight:900;
  white-space:nowrap;
}
.selector-back:hover{
  color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 18px rgba(111,61,200,.18);
}

.filters{
  display:grid;
  grid-template-columns:minmax(210px,1fr) minmax(230px,1.2fr) minmax(300px,1.25fr);
  gap:18px;
  align-items:end;
  padding:18px 0 14px;
}
.field label,
.control label{
  display:block;
  margin:0 0 6px;
  color:var(--muted);
  font-size:.68rem;
  font-weight:800;
  letter-spacing:.11em;
  text-transform:uppercase;
}
.sel{position:relative;width:100%;}
.sel select,
input[type=search]{
  width:100%;
  min-height:42px;
  padding:10px 36px 10px 12px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
  color:var(--ink);
  font:inherit;
  font-weight:500;
  box-shadow:var(--shadow-xs);
}
.sel select{appearance:none;cursor:pointer;}
.sel::after{
  content:"";
  position:absolute;
  right:13px;
  top:50%;
  width:7px;
  height:7px;
  border-right:2px solid var(--faint);
  border-bottom:2px solid var(--faint);
  transform:translateY(-65%) rotate(45deg);
  pointer-events:none;
}
.ywrap{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:12px;
  align-items:center;
  min-height:42px;
  padding:0 2px;
}
.ychip{
  min-width:54px;
  padding:7px 10px;
  border:1px solid #D9C1E0;
  border-radius:999px;
  color:var(--accent-2);
  background:var(--surface-purple);
  font-size:.78rem;
  font-weight:800;
  text-align:center;
}
.range-stack{
  position:relative;
  height:38px;
}
.range-track,
.range-fill{
  position:absolute;
  left:0;
  right:0;
  top:18px;
  height:6px;
  border-radius:999px;
}
.range-track{background:#E8DFED;}
.range-fill{background:linear-gradient(90deg,var(--accent),var(--amber));}
.range-stack input[type=range]{
  position:absolute;
  inset:0;
  width:100%;
  height:38px;
  margin:0;
  background:transparent;
  pointer-events:none;
  appearance:none;
}
.range-stack input[type=range]::-webkit-slider-thumb{
  width:18px;
  height:18px;
  border:3px solid #fff;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 2px 8px rgba(102,53,111,.28);
  pointer-events:auto;
  appearance:none;
}
.range-stack input[type=range]::-moz-range-thumb{
  width:18px;
  height:18px;
  border:3px solid #fff;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 2px 8px rgba(102,53,111,.28);
  pointer-events:auto;
}

.tabs{
  display:flex;
  align-items:flex-end;
  gap:6px;
  overflow-x:auto;
  padding:0 0 0;
}
.tabs button{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:0;
  border-bottom:3px solid transparent;
  padding:13px 14px 12px;
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  font:inherit;
  font-size:.87rem;
  font-weight:800;
  white-space:nowrap;
}
.tabs button:hover{color:var(--accent-2);background:var(--surface-soft);}
.tabs button.active{
  color:var(--accent-2);
  border-bottom-color:var(--accent);
}
.tabs .ti{color:var(--accent);}

.panel{display:none;}
.panel.active{display:block;}
.panel-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  margin-bottom:22px;
}
.panel-kicker{
  color:var(--accent-2);
  font-size:.74rem;
  font-weight:900;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.panel-title{
  margin-top:3px;
  font-size:2rem;
  letter-spacing:-.02em;
}
.panel-desc{
  max-width:740px;
  margin:8px 0 0;
  color:var(--muted);
}
.export-group{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:40px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 14px;
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  font:inherit;
  font-size:.82rem;
  font-weight:800;
  box-shadow:var(--shadow-xs);
}
.btn-primary{
  border-color:var(--accent);
  background:var(--accent);
  color:#fff;
}

.student-hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(260px,430px);
  gap:22px;
  align-items:center;
  margin-bottom:22px;
  padding:22px 24px;
  border:1px solid #E6D8EA;
  border-radius:var(--radius);
  background:linear-gradient(135deg,#fff 0,#fff 54%,#F8F1FA 100%);
  box-shadow:var(--shadow-sm);
}
.student-hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-bottom:10px;
  color:var(--accent-2);
  font-size:.78rem;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.student-hero h3{
  font-size:1.7rem;
  color:var(--accent-2);
}
.student-hero p{
  max-width:620px;
  margin:10px 0 0;
  color:var(--ink-soft);
}
.student-hero img{
  width:100%;
  max-height:230px;
  object-fit:contain;
}

.summary-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-bottom:22px;
}
.metric{
  position:relative;
  min-height:150px;
  padding:18px 18px 16px;
  border:1px solid var(--line);
  border-left:5px solid var(--accent);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.metric.orange{border-left-color:var(--amber);}
.metric.teal{border-left-color:var(--teal);}
.metric .m-icon{
  position:absolute;
  right:15px;
  top:15px;
  width:54px;
  height:54px;
  border-radius:16px;
  display:grid;
  place-items:center;
  color:var(--accent);
  background:var(--surface-purple);
  font-size:1.4rem;
}
.metric.orange .m-icon{color:var(--amber);background:var(--surface-orange);}
.metric.teal .m-icon{color:var(--teal);background:#E6F7F5;}
.metric .m-k{
  max-width:calc(100% - 70px);
  color:var(--muted);
  font-size:.72rem;
  font-weight:900;
  letter-spacing:.11em;
  text-transform:uppercase;
}
.metric .m-v{
  margin-top:10px;
  color:var(--accent-2);
  font-family:"Space Grotesk",Inter,sans-serif;
  font-size:2.25rem;
  font-weight:800;
  line-height:1;
}
.metric .m-s{
  margin-top:10px;
  color:var(--ink-soft);
  font-size:.91rem;
}

.viz-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
  margin-bottom:18px;
}
.viz,
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.viz{padding:16px;}
.viz-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  margin-bottom:8px;
}
.viz-head h4{
  color:var(--accent-2);
  font-size:1.05rem;
}
.hint{
  color:var(--faint);
  font-size:.76rem;
  font-weight:700;
  text-align:right;
}
.plot{height:340px;}
.plot.tall{height:390px;}
.plot.sankey{height:520px;}
.plot.domain{height:560px;}
.network{
  height:460px;
  border:1px solid var(--line-soft);
  border-radius:var(--radius-sm);
  background:linear-gradient(180deg,#fff,#FBF8FC);
}

.assist-box{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin:0 0 18px;
  padding:13px 15px;
  border:1px solid #D9C1E0;
  border-radius:var(--radius);
  color:var(--ink-soft);
  background:var(--surface-purple);
}
.assist-box i{margin-top:2px;color:var(--accent);}
.controls{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:flex-end;
  margin-bottom:18px;
}
.control{min-width:230px;}
.seg{
  display:inline-flex;
  gap:4px;
  padding:4px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  box-shadow:var(--shadow-xs);
}
.seg button{
  border:0;
  border-radius:999px;
  padding:9px 14px;
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  font:inherit;
  font-size:.82rem;
  font-weight:800;
}
.seg button.on{
  background:var(--accent);
  color:#fff;
}
.table-card{
  padding:14px;
  overflow:hidden;
}

.profile-hero{
  display:grid;
  grid-template-columns:minmax(260px,360px) minmax(0,1fr);
  gap:18px;
  align-items:stretch;
  margin-bottom:18px;
}
.profile-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  padding:20px;
  box-shadow:var(--shadow-sm);
}
.profile-avatar{
  width:110px;
  height:110px;
  border-radius:50%;
  object-fit:cover;
  border:4px solid var(--surface-purple);
  box-shadow:var(--shadow-sm);
}
.profile-name{
  margin-top:14px;
  color:var(--accent-2);
  font-family:"Space Grotesk",Inter,sans-serif;
  font-size:1.25rem;
  font-weight:800;
}
.profile-mail{
  margin-top:3px;
  color:var(--muted);
  word-break:break-word;
}
.profile-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-top:16px;
}
.profile-stat{
  padding:12px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--surface-soft);
}
.profile-stat b{
  display:block;
  color:var(--accent-2);
  font-size:1.35rem;
}
.profile-stat span{
  color:var(--muted);
  font-size:.75rem;
  font-weight:800;
  text-transform:uppercase;
}
.keyword-cloud{
  min-height:460px;
  padding:12px;
}
.kw{
  display:inline-flex;
  margin:6px;
  padding:6px 10px;
  border-radius:999px;
  color:var(--accent-2);
  background:var(--surface-purple);
  font-weight:800;
}

table.dataTable thead th{
  background:var(--accent-2);
  color:#fff;
  border-bottom:0;
}
table.dataTable tbody tr:hover{background:#FAF4FC;}
.dataTables_wrapper .dataTables_filter input{
  margin-left:8px;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover{
  border-color:var(--accent);
  background:var(--surface-purple);
  color:var(--accent-2)!important;
}

.overlay{
  position:fixed;
  inset:0;
  z-index:3000;
  display:grid;
  place-items:center;
  background:rgba(246,243,248,.92);
}
.overlay.hide{display:none;}
.ov-card{
  width:min(360px,calc(100vw - 40px));
  padding:24px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:var(--shadow-md);
  text-align:center;
}
.ov-card-wide{
  width:min(560px,calc(100vw - 40px));
}
.ov-spin{
  width:42px;
  height:42px;
  margin:0 auto 14px;
  border:4px solid #E7D1EC;
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin .8s linear infinite;
}
.ov-t{font-weight:900;color:var(--accent-2);}
.ov-s{margin-top:4px;color:var(--muted);font-size:.9rem;}
.csv-loader{
  display:grid;
  gap:12px;
  margin-top:18px;
  text-align:left;
}
.csv-loader label{
  display:grid;
  gap:6px;
  color:var(--muted);
  font-size:.78rem;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.csv-loader input[type=file]{
  width:100%;
  padding:10px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
  color:var(--ink);
  font:inherit;
  letter-spacing:0;
  text-transform:none;
}
.csv-loader .btn{
  width:100%;
  margin-top:4px;
}
.manual-error{
  min-height:20px;
  color:#9B1C1C;
  font-size:.9rem;
  font-weight:700;
  text-align:center;
}
@keyframes spin{to{transform:rotate(360deg);}}

@media (max-width: 920px){
  body{background:var(--bg);}
  .masthead{position:relative;}
  .masthead-inner{padding-top:14px;}
  .brand-row{
    flex-direction:column;
    align-items:stretch;
    gap:12px;
  }
  .brand-left{
    width:100%;
    display:grid;
    grid-template-columns:minmax(150px,220px) 3px minmax(0,1fr);
    align-items:center;
    gap:14px;
  }
  .brand-logo{
    width:100%;
    max-width:220px;
    height:auto;
  }
  .brand-rule{
    width:3px;
    height:64px;
    border-radius:999px;
  }
  .brand-titles{
    min-width:0;
  }
  .brand-sub{
    max-width:42rem;
  }
  .brand-actions{
    width:100%;
    display:grid;
    grid-template-columns:1fr auto auto;
    align-items:center;
    gap:10px;
  }
  .selector-back{
    justify-content:center;
  }
  .filters{grid-template-columns:1fr;}
  .student-hero{grid-template-columns:1fr;}
  .summary-grid{grid-template-columns:1fr 1fr;}
  .viz-grid{grid-template-columns:1fr;}
  .profile-hero{grid-template-columns:1fr;}
}
@media (max-width: 620px){
  .wrap,.masthead-inner{padding-left:16px;padding-right:16px;}
  .brand-left{
    grid-template-columns:1fr;
    justify-items:center;
    text-align:center;
    gap:8px;
  }
  .brand-logo{
    width:min(300px,84vw);
    max-width:none;
  }
  .brand-rule{display:none;}
  .brand-kicker{
    letter-spacing:.12em;
  }
  .brand-title{
    font-size:1.55rem;
    line-height:1.08;
  }
  .brand-sub{
    max-width:30rem;
    margin-left:auto;
    margin-right:auto;
    font-size:.9rem;
    line-height:1.45;
  }
  .brand-actions{
    grid-template-columns:1fr;
    justify-items:stretch;
  }
  .selector-back,
  .lang-switch,
  .brand-badge{
    width:100%;
    justify-content:center;
  }
  .brand-actions .lang-switch{
    display:grid;
    grid-template-columns:repeat(3,1fr);
  }
  .lang-switch button{
    justify-content:center;
  }
  .summary-grid{grid-template-columns:1fr;}
  .panel-head{display:block;}
  .panel-title{font-size:1.55rem;}
  .tabs button{padding-left:10px;padding-right:10px;}
  .plot{height:310px;}
  .plot.sankey,.plot.domain,.network{height:420px;}
}

/* ============================================================
   v2 · Nube de palabras, comparador, analítica y asistente
   ============================================================ */

/* --- Botón fantasma --- */
.btn-ghost{background:#fff;color:var(--ink-soft);border-color:var(--line);}
.btn-ghost:hover{background:var(--surface-soft);}

/* --- Nube de palabras real --- */
.keyword-cloud.wc-canvas{
  position:relative;overflow:hidden;
  border:1px solid var(--line-soft);border-radius:var(--radius-sm);
  background:radial-gradient(120% 120% at 50% 0,#fff 0,#FBF8FC 100%);
}
.wc-word{
  position:absolute;white-space:nowrap;line-height:1;letter-spacing:-.01em;
  font-family:"Space Grotesk",Inter,sans-serif;font-weight:800;cursor:default;
  transition:transform .12s ease,opacity .12s ease;
}
.wc-word:hover{transform:scale(1.07);opacity:.82;}
.wc-word.wc-v{transform:rotate(-90deg);transform-origin:center;}
.wc-word.wc-v:hover{transform:rotate(-90deg) scale(1.07);}

/* --- Bloques compartidos comparador / analítica --- */
.compare-block{margin-top:16px;}
.compare-summary{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 4px;}
.mini-stat{
  flex:1 1 160px;min-width:150px;padding:12px 14px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-soft);
}
.mini-stat b{display:block;color:var(--ink);font-weight:800;font-family:"Space Grotesk",Inter,sans-serif;font-size:1.02rem;}
.mini-stat span{display:block;margin-top:2px;color:var(--muted);font-size:.8rem;}
.cmp-empty,.chat-empty{
  padding:16px;border:1px dashed var(--line);border-radius:var(--radius-sm);
  color:var(--muted);background:var(--surface-soft);font-size:.9rem;
}
.ana-legend{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:10px 0 6px;color:var(--muted);font-size:.82rem;font-weight:700;}
.ana-legend span{display:inline-flex;align-items:center;gap:7px;}
.ana-legend i{width:14px;height:14px;border-radius:4px;display:inline-block;}
.ana-legend em{font-style:normal;color:var(--faint);font-weight:600;}

/* --- Hallazgos automáticos --- */
.insight-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;}
.insight-item{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;}
.insight-item>i{margin-top:2px;width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:9px;color:var(--accent);background:var(--surface-purple);}
.insight-item b{display:block;color:var(--ink);font-weight:800;}
.insight-item span{display:block;margin-top:3px;color:var(--muted);font-size:.86rem;line-height:1.45;}

/* --- Oportunidades de colaboración --- */
.opportunity-list{display:grid;gap:10px;}
.opp-item{padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-soft);}
.opp-item>div{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap;}
.opp-item b{color:var(--ink);}
.opp-item>div span{color:var(--teal);font-weight:800;font-size:.82rem;}
.opp-item p{margin:6px 0 0;color:var(--muted);font-size:.84rem;}

/* --- Alerta de continuidad --- */
.continuity-alert,.continuity-ok{margin:16px 0;border-radius:var(--radius);padding:14px 16px;}
.continuity-ok{display:flex;gap:10px;align-items:center;border:1px solid #BFE3DF;background:#EAF7F5;color:var(--ink-soft);}
.continuity-ok i{color:var(--teal);}
.continuity-alert{border:1px solid #F3D2A8;background:#FFF6EC;}
.continuity-head{display:flex;gap:12px;align-items:flex-start;}
.continuity-head>i{margin-top:2px;color:var(--amber);font-size:1.1rem;}
.continuity-head b{display:block;color:var(--ink);}
.continuity-head span{display:block;margin-top:2px;color:var(--muted);font-size:.86rem;}
.continuity-authors{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.continuity-chip{padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;}
.continuity-chip b{display:block;font-size:.88rem;color:var(--ink);}
.continuity-chip span{display:block;margin-top:2px;color:var(--muted);font-size:.76rem;}

/* --- Buscador global --- */
.ana-search{display:flex;gap:8px;margin-bottom:12px;}
.ana-search input{flex:1;min-height:40px;border:1px solid var(--line);border-radius:999px;padding:0 16px;font:inherit;font-size:.9rem;color:var(--ink);background:#fff;box-shadow:var(--shadow-xs);}
.ana-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(140,71,153,.14);}
.ana-results{display:grid;gap:8px;max-height:360px;overflow:auto;}
.ana-hit{padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;}
.ana-hit b{display:block;color:var(--ink);font-size:.92rem;}
.ana-hit b a{color:var(--accent-2);}
.ana-hit span{display:block;margin-top:3px;color:var(--muted);font-size:.8rem;}

/* --- Asistente local --- */
.chat-shell{display:grid;grid-template-columns:300px minmax(0,1fr);gap:16px;align-items:start;}
.chat-side{display:flex;flex-direction:column;gap:12px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);}
.chat-illo{display:flex;gap:12px;align-items:center;}
.chat-illo img{width:64px;height:64px;border-radius:14px;object-fit:cover;border:1px solid var(--line);background:var(--surface-purple);}
.chat-illo b{display:block;color:var(--ink);font-family:"Space Grotesk",Inter,sans-serif;}
.chat-illo span{display:block;margin-top:2px;color:var(--muted);font-size:.78rem;line-height:1.35;}
.chat-side-block{margin-top:2px;}
.chat-label{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:8px;}
.chat-context{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.chat-kpi{padding:10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-soft);}
.chat-kpi.wide{grid-column:1/-1;}
.chat-kpi b{display:block;color:var(--ink);font-weight:800;font-family:"Space Grotesk",Inter,sans-serif;font-size:1.02rem;}
.chat-kpi span{display:block;margin-top:2px;color:var(--muted);font-size:.74rem;}
.prompt-list{display:flex;flex-wrap:wrap;gap:6px;}
.prompt-chip{border:1px solid var(--line);border-radius:999px;padding:6px 11px;background:#fff;color:var(--accent-2);font:inherit;font-size:.76rem;font-weight:700;cursor:pointer;text-align:left;}
.prompt-chip:hover{background:var(--surface-purple);}
.chat-clear{align-self:flex-start;}
.chat-main{display:flex;flex-direction:column;height:600px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);overflow:hidden;}
.chat-messages{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,#fff,#FBF8FC);}
.chat-msg{display:flex;}
.chat-msg.user{justify-content:flex-end;}
.chat-bubble{max-width:82%;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink-soft);font-size:.9rem;line-height:1.5;box-shadow:var(--shadow-xs);}
.chat-bubble p{margin:0 0 8px;}
.chat-bubble p:last-child{margin-bottom:0;}
.chat-bubble b{color:var(--ink);}
.chat-bubble.user{background:var(--accent);color:#fff;border-color:var(--accent);}
.chat-bubble.user b{color:#fff;}
.chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);background:#fff;}
.chat-form input{flex:1;min-height:42px;border:1px solid var(--line);border-radius:999px;padding:0 16px;font:inherit;font-size:.9rem;color:var(--ink);}
.chat-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(140,71,153,.14);}
.chat-pubs{display:grid;gap:8px;margin-top:8px;}
.chat-pub{padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-soft);}
.chat-pub-title{font-weight:800;color:var(--ink);font-size:.9rem;}
.chat-pub-title a{color:var(--accent-2);}
.chat-pub-meta{margin-top:3px;color:var(--muted);font-size:.78rem;}
.chat-pub-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px;}
.chat-pub-tags span{padding:2px 8px;border-radius:999px;background:var(--surface-purple);color:var(--accent-2);font-size:.72rem;font-weight:700;}
.chat-more{color:var(--muted);font-size:.8rem;padding:4px 2px;}
.chat-hint{color:var(--faint)!important;font-size:.8rem;}
.chat-empty{margin-top:6px;}
.chat-bars{margin:8px 0;display:grid;gap:6px;}
.chat-bars>b{color:var(--ink);font-size:.84rem;}
.chat-bar{display:grid;grid-template-columns:minmax(0,1fr) 90px 34px;align-items:center;gap:8px;font-size:.8rem;}
.chat-bar-l{color:var(--ink-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.chat-bar-track{height:8px;border-radius:999px;background:var(--surface-purple);overflow:hidden;}
.chat-bar-track i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--amber));border-radius:999px;}
.chat-bar-v{text-align:right;color:var(--muted);font-weight:700;}
.chat-cmp{display:flex;gap:10px;margin:8px 0;}
.chat-cmp>div{flex:1;padding:10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-soft);text-align:center;}
.chat-cmp b{display:block;color:var(--ink);font-size:.88rem;}
.chat-cmp span{display:block;margin-top:2px;color:var(--teal);font-weight:800;font-size:.8rem;}

@media (max-width:900px){
  .chat-shell{grid-template-columns:1fr;}
  .chat-main{height:520px;}
  .chat-context{grid-template-columns:1fr 1fr;}
}

/* --- Footer con descarga y créditos --- */
.foot{
  max-width:1240px;
  margin:36px auto 0;
  padding:22px 34px 30px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:.86rem;
}
.foot>div{margin-bottom:8px;}
.foot>div:last-child{margin-bottom:0;}
.dl-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--teal);font-weight:800;cursor:pointer;
  padding:8px 12px;border:1px solid #BFE3DF;border-radius:999px;background:#EAF7F5;
}
.dl-link:hover{background:#DDF1EE;}
.foot-meta{color:var(--muted);}
.foot-ref{color:var(--ink-soft);font-weight:700;max-width:960px;line-height:1.55;}
@media (max-width:620px){ .foot{padding-left:16px;padding-right:16px;} }

/* --- Tooltip de nube de palabras --- */
.wc-tip{
  position:fixed;z-index:3000;pointer-events:none;
  background:#2A2340;color:#fff;border-radius:10px;
  padding:7px 11px;box-shadow:0 10px 30px rgba(30,20,45,.28);
  font-size:.82rem;line-height:1.25;max-width:260px;
}
.wc-tip b{display:block;font-size:.9rem;margin-bottom:1px;}
.wc-tip span{color:#D9C7E4;font-size:.76rem;}

/* --- Herramientas de red (buscador en el grafo) --- */
.network-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px;}
.network-search{
  display:flex;align-items:center;gap:8px;min-width:280px;
  padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;
}
.network-search i{color:var(--teal);}
.network-search select{flex:1;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;}
.network-status{color:var(--muted);font-size:.85rem;font-weight:700;}

/* --- Selector de idioma + banderas --- */
.lang-switch{display:inline-flex;gap:4px;padding:4px;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:var(--shadow-xs);}
.lang-switch button{display:inline-flex;align-items:center;gap:7px;border:0;border-radius:999px;padding:7px 11px;background:transparent;color:var(--muted);cursor:pointer;font:inherit;font-size:.76rem;font-weight:800;}
.lang-switch button.on{background:var(--usach-purple);color:#fff;}
.flag{width:20px;height:14px;border-radius:3px;display:inline-block;box-shadow:0 0 0 1px rgba(33,38,43,.12) inset;overflow:hidden;}
.flag-cl{background:linear-gradient(90deg,#0039A6 0 34%,#fff 34% 100%);position:relative;}
.flag-cl::after{content:"";position:absolute;left:0;right:0;bottom:0;height:50%;background:#D52B1E;}
.flag-br{background:linear-gradient(135deg,#2E9E44,#65C466);position:relative;}
.flag-br::after{content:"";position:absolute;inset:3px 5px;background:#F7D116;clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);}
.flag-en{background:linear-gradient(#012169,#012169);position:relative;}
.flag-en::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 42%,#fff 42% 58%,transparent 58%),linear-gradient(transparent 34%,#fff 34% 66%,transparent 66%);}
.flag-en::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 46%,#C8102E 46% 54%,transparent 54%),linear-gradient(transparent 40%,#C8102E 40% 60%,transparent 60%);}

/* --- Modal de ayuda + tooltips clicables --- */
.help-modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:2500;padding:20px;background:rgba(42,35,64,.34);backdrop-filter:blur(5px);}
.help-modal.show{display:flex;}
.help-card{width:min(520px,100%);padding:22px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 24px 70px rgba(42,35,64,.28);}
.help-close{float:right;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--muted);cursor:pointer;}
.help-close:hover{background:var(--surface-soft);}
.help-kicker{display:flex;align-items:center;gap:8px;color:var(--usach-purple);font-size:.75rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase;}
.help-card h3{margin:10px 0 0;font-size:1.25rem;color:var(--ink);}
.help-card p{margin:10px 0 0;color:var(--ink-soft);line-height:1.55;}
.help-card a{color:var(--usach-purple);font-weight:800;}
.has-help{cursor:help;}
th.has-help,.has-help{position:relative;}

.assist-box a{color:var(--usach-purple);font-weight:700;text-decoration:underline;cursor:pointer;}

/* Tablas DataTables: encabezado alineado con el cuerpo y ancho completo */
.dataTables_wrapper{overflow-x:auto;}
table.dataTable{width:100%!important;border-collapse:collapse;}
table.dataTable thead th{white-space:nowrap;vertical-align:middle;}
table.dataTable tbody td{white-space:normal;}
table.dataTable td:first-child, table.dataTable th:first-child{white-space:nowrap;}

/* ---------- Correccion v2.1: cabecera movil compacta como app de articulos ---------- */
@media (max-width:760px){
  body{
    background:
      radial-gradient(circle at 10% 6%,rgba(140,71,153,.10),transparent 18rem),
      linear-gradient(180deg,#fff 0,#FBF9FC 190px,var(--bg) 190px,var(--bg) 100%);
  }
  .masthead{
    position:static;
    top:auto;
  }
  .wrap,
  .masthead-inner{
    padding-left:12px;
    padding-right:12px;
  }
  .masthead-inner{
    padding-top:10px;
  }
  .brand-row{
    display:grid;
    grid-template-columns:1fr;
    gap:8px;
  }
  .brand-left{
    display:grid;
    grid-template-columns:86px minmax(0,1fr);
    align-items:center;
    gap:10px;
    width:100%;
    min-width:0;
    text-align:left;
  }
  .brand-logo{
    width:86px;
    height:auto;
    max-height:42px;
    object-fit:contain;
    object-position:left center;
  }
  .brand-rule{
    display:none;
  }
  .brand-titles{
    min-width:0;
    overflow:hidden;
  }
  .brand-kicker{
    display:none;
  }
  .brand-title{
    margin:0;
    font-size:1.18rem;
    line-height:1.05;
    letter-spacing:0;
  }
  .brand-sub{
    margin-top:3px;
    font-size:.72rem;
    line-height:1.22;
    max-width:100%;
  }
  .brand-actions{
    width:100%;
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    align-items:center;
    gap:8px;
  }
  .selector-back{
    grid-column:1/-1;
    width:100%;
    justify-content:center;
    min-height:34px;
    padding:7px 10px;
  }
  .lang-switch{
    width:max-content;
    padding:3px;
  }
  .lang-switch button{
    min-height:30px;
    padding:6px 9px;
  }
  .lang-switch button span:last-child{
    display:none;
  }
  .brand-badge{
    width:auto;
    min-height:30px;
    padding:6px 9px;
    font-size:.68rem;
  }
  .filters{
    padding:8px 0 10px;
    gap:10px;
  }
  .field label,
  .control label,
  .chat-label{
    margin-bottom:4px;
    font-size:.62rem;
    letter-spacing:.09em;
  }
  .sel select,
  .global-search input,
  .chat-form input,
  input[type=search]{
    min-height:38px;
    padding-top:8px;
    padding-bottom:8px;
    border-radius:12px;
    font-size:.88rem;
  }
  .year-field .ywrap{
    gap:8px;
    min-height:38px;
  }
  .ychip{
    min-width:48px;
    padding:6px 8px;
    font-size:.82rem;
  }
  .range-stack{
    height:24px;
  }
  .tabs{
    gap:8px;
    margin-left:-12px;
    margin-right:-12px;
    padding:6px 12px 8px;
    border-top:1px solid var(--line-soft);
  }
  .tabs button{
    min-height:40px;
    padding:6px 10px;
    font-size:.82rem;
  }
  .tabs .ti{
    width:27px;
    height:27px;
    border-radius:10px;
  }
  .wrap{
    padding-top:16px;
    padding-bottom:54px;
  }
  .panel-head{
    padding:16px;
  }
  .panel-title{
    font-size:1.38rem;
  }
  .panel-desc{
    font-size:.86rem;
  }
}

@media (max-width:380px){
  .wrap,
  .masthead-inner{
    padding-left:10px;
    padding-right:10px;
  }
  .brand-left{
    grid-template-columns:72px minmax(0,1fr);
    gap:8px;
  }
  .brand-logo{
    width:72px;
    max-height:38px;
  }
  .brand-title{
    font-size:1.08rem;
  }
  .brand-sub{
    font-size:.68rem;
  }
  .brand-badge{
    font-size:.64rem;
    padding-left:7px;
    padding-right:7px;
  }
  .lang-switch button{
    padding-left:7px;
    padding-right:7px;
  }
}

/* Indicador de escritura del chat (tipo GPT) */
.chat-typing{display:inline-flex;gap:5px;align-items:center;padding:3px 2px}
.chat-typing i{width:7px;height:7px;border-radius:50%;background:#00A499;opacity:.35;animation:chatBlink 1.2s infinite ease-in-out}
.chat-typing i:nth-child(2){animation-delay:.18s}
.chat-typing i:nth-child(3){animation-delay:.36s}
@keyframes chatBlink{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}

/* ===== Chat: preguntas ordenadas + scroll asegurado ===== */
.chat-messages{ min-height:0; scroll-behavior:smooth; }
.prompt-list{ flex-direction:column; flex-wrap:nowrap; gap:8px; }
.prompt-chip{
  width:100%;
  text-align:left;
  white-space:normal;
  line-height:1.35;
  padding:10px 12px;
  border-radius:12px;
  font-size:.8rem;
}
@media (max-width: 1080px){
  .chat-main{ height:min(68vh, 560px); }
}