:root {
  --fondo: #0f172a;
  --panel: #111c33;
  --panel-2: #16233f;
  --texto: #e5e7eb;
  --muted: #a3afc4;
  --linea: rgba(255,255,255,.1);
  --azul: #38bdf8;
  --verde: #22c55e;
  --amarillo: #f59e0b;
  --rojo: #ef4444;
  --morado: #a78bfa;
  --sombra: 0 20px 50px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top left, #1d4ed8 0, transparent 28%), var(--fondo);
  color: var(--texto);
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 290px;
  padding: 24px;
  background: rgba(9, 14, 27, .86);
  border-right: 1px solid var(--linea);
  backdrop-filter: blur(12px);
}

.brand { display: flex; gap: 14px; align-items: center; margin-bottom: 36px; }
.logo {
  width: 54px; height: 54px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--azul), var(--morado));
  color: #061021; font-weight: 800; border-radius: 16px;
}
.brand h1 { font-size: 18px; margin: 0; }
.brand p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

nav { display: grid; gap: 8px; }
nav a {
  color: var(--muted); text-decoration: none; padding: 12px 14px; border-radius: 12px;
  transition: .2s ease;
}
nav a:hover { background: rgba(56,189,248,.12); color: var(--texto); }

.contenido { margin-left: 290px; padding: 30px; }
.hero {
  min-height: 260px; display: grid; grid-template-columns: 1.7fr .9fr; gap: 24px; align-items: stretch;
  margin-bottom: 24px;
}
.hero > div, .panel, .kpi {
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  border: 1px solid var(--linea); border-radius: 24px; box-shadow: var(--sombra);
}
.hero > div:first-child { padding: 36px; }
.etiqueta { color: var(--azul); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.hero h2 { font-size: clamp(32px, 5vw, 58px); line-height: .98; margin: 14px 0; max-width: 900px; }
.hero p { color: var(--muted); line-height: 1.6; font-size: 17px; max-width: 850px; }
.hero-card { padding: 28px; display: grid; align-content: center; gap: 12px; }
.hero-card strong { font-size: 18px; }

.bloque { margin: 26px 0; scroll-margin-top: 30px; }
.titulo-bloque { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.titulo-bloque h2 { margin: 0 0 6px; font-size: 26px; }
.titulo-bloque p { margin: 0; color: var(--muted); }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi { padding: 20px; }
.kpi span { color: var(--muted); font-size: 14px; }
.kpi strong { display: block; font-size: 30px; margin-top: 8px; }

.grid-dos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.panel { padding: 22px; }
.panel h3 { margin-top: 0; }
.importar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; align-items: center; }
.nota { color: var(--muted); font-size: 14px; }

.btn {
  border: 0; border-radius: 12px; padding: 12px 16px; font-weight: 700; cursor: pointer;
  color: #061021; background: var(--azul); transition: .2s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.08); }
.btn.secundario { background: rgba(255,255,255,.12); color: var(--texto); border: 1px solid var(--linea); }

.formulario { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
label { color: var(--muted); display: grid; gap: 8px; font-size: 14px; }
input, select {
  width: 100%; border: 1px solid var(--linea); border-radius: 12px; padding: 12px;
  background: rgba(0,0,0,.22); color: var(--texto); outline: none;
}
select option { background: #111827; }
.check { display: flex; align-items: center; gap: 10px; align-self: end; }
.check input { width: auto; }

.resultado { margin-top: 16px; }
.oculto { display: none; }
.estado { display: inline-block; padding: 8px 12px; border-radius: 999px; font-weight: 800; }
.estado-bajo { background: rgba(34,197,94,.18); color: #86efac; }
.estado-medio { background: rgba(245,158,11,.18); color: #fcd34d; }
.estado-alto { background: rgba(239,68,68,.18); color: #fca5a5; }
.estado-critico { background: rgba(239,68,68,.28); color: #fecaca; border: 1px solid rgba(239,68,68,.5); }

.barras { display: grid; gap: 12px; }
.barra-item { display: grid; gap: 6px; }
.barra-top { display: flex; justify-content: space-between; gap: 10px; font-size: 14px; color: var(--muted); }
.barra-fondo { height: 12px; background: rgba(255,255,255,.08); border-radius: 999px; overflow: hidden; }
.barra-valor { height: 100%; width: var(--w); background: linear-gradient(90deg, var(--azul), var(--morado)); border-radius: inherit; }

.tabla-contenedor { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { padding: 14px; border-bottom: 1px solid var(--linea); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
td { color: #dbeafe; }
.recomendacion { color: var(--muted); line-height: 1.4; }
.reporte-contenido { line-height: 1.7; }
.reporte-contenido h3 { margin-bottom: 4px; }
.reporte-contenido ul { margin-top: 6px; }

@media (max-width: 1000px) {
  .sidebar { position: static; width: auto; }
  .contenido { margin-left: 0; padding: 18px; }
  .hero, .grid-dos, .kpis { grid-template-columns: 1fr; }
  .formulario { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .formulario { grid-template-columns: 1fr; }
  .titulo-bloque { align-items: start; flex-direction: column; }
}

@media print {
  body { background: white; color: #111827; }
  .sidebar, .hero, #dashboard, #importar, #simulador, #analisis, .titulo-bloque button { display: none !important; }
  .contenido { margin: 0; padding: 0; }
  .panel { box-shadow: none; border: 0; color: #111827; }
  .reporte { display: block !important; }
}

.control-corto { max-width: 180px; }
.filtros { display: grid; grid-template-columns: 2fr 1fr auto; gap: 14px; align-items: end; }
.asistente { display: grid; gap: 14px; }
.chat-box {
  min-height: 190px; max-height: 280px; overflow-y: auto; padding: 14px;
  background: rgba(0,0,0,.18); border: 1px solid var(--linea); border-radius: 16px;
  display: grid; gap: 10px; align-content: start;
}
.mensaje { max-width: 82%; padding: 12px 14px; border-radius: 16px; line-height: 1.45; color: #e5e7eb; }
.mensaje.bot { background: rgba(56,189,248,.13); border: 1px solid rgba(56,189,248,.20); justify-self: start; }
.mensaje.usuario { background: rgba(167,139,250,.16); border: 1px solid rgba(167,139,250,.22); justify-self: end; }
.chat-form { display: grid; grid-template-columns: 1fr auto; gap: 12px; }

@media (max-width: 780px) {
  .filtros, .chat-form { grid-template-columns: 1fr; }
}

.topbar {
  position: sticky; top: 0; z-index: 10; margin: -30px -30px 24px; padding: 14px 30px;
  background: rgba(9, 14, 27, .72); border-bottom: 1px solid var(--linea); backdrop-filter: blur(14px);
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.topbar strong { display: block; }
.topbar span { color: var(--muted); font-size: 13px; }
.top-actions, .hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-actions { margin-top: 18px; }
.hero-actions a { text-decoration: none; display: inline-block; }

.grid-agente { display: grid; grid-template-columns: 1.7fr .85fr; gap: 16px; }
.asistente.pro .chat-box { min-height: 360px; max-height: 500px; }
.agent-card { align-self: stretch; }
.lista-check { padding-left: 0; list-style: none; display: grid; gap: 12px; color: var(--muted); line-height: 1.45; }
.lista-check li { position: relative; padding-left: 28px; }
.lista-check li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--verde); font-weight: 900; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button {
  border: 1px solid var(--linea); color: var(--texto); background: rgba(255,255,255,.08);
  padding: 9px 12px; border-radius: 999px; cursor: pointer; transition: .2s ease;
}
.chips button:hover { background: rgba(56,189,248,.16); transform: translateY(-1px); }
.mensaje strong { color: white; }
.mensaje ol, .mensaje ul { margin: 8px 0 0 20px; padding: 0; }
.mensaje li { margin: 6px 0; }
.mensaje hr { border: 0; border-top: 1px solid var(--linea); margin: 12px 0; }
.mini-barras { display: grid; gap: 8px; margin-top: 10px; }
.mini-barras div { display: grid; grid-template-columns: 120px 54px 1fr; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; }
progress { width: 100%; height: 10px; accent-color: var(--azul); }
.formulario-compacto { grid-template-columns: repeat(3, 1fr); }
.formulario-vision { grid-template-columns: 1fr 2fr auto; align-items: end; }
code { background: rgba(255,255,255,.10); border: 1px solid var(--linea); padding: 3px 7px; border-radius: 8px; color: #bae6fd; }

.modo-claro {
  --fondo: #eef4ff;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --texto: #0f172a;
  --muted: #475569;
  --linea: rgba(15,23,42,.12);
  --sombra: 0 20px 50px rgba(2,6,23,.10);
  background: radial-gradient(circle at top left, #bfdbfe 0, transparent 28%), var(--fondo);
}
.modo-claro .sidebar, .modo-claro .topbar { background: rgba(255,255,255,.86); }
.modo-claro input, .modo-claro select, .modo-claro .chat-box { background: rgba(15,23,42,.04); }
.modo-claro td { color: #0f172a; }
.modo-claro .mensaje strong { color: #0f172a; }
.modo-claro .mensaje.bot { color: #0f172a; background: rgba(14,165,233,.12); }
.modo-claro .mensaje.usuario { color: #0f172a; background: rgba(124,58,237,.12); }

@media (max-width: 1000px) {
  .topbar { position: static; margin: -18px -18px 18px; padding: 14px 18px; }
  .grid-agente, .formulario-compacto, .formulario-vision { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .topbar { align-items: start; flex-direction: column; }
  .mini-barras div { grid-template-columns: 1fr; }
}