:root {
  --fondo: #0a0c11;
  --fondo-2: #0e1118;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-fuerte: rgba(255, 255, 255, 0.07);
  --borde: rgba(255, 255, 255, 0.09);
  --borde-claro: rgba(255, 255, 255, 0.14);
  --texto: #eef1f7;
  --texto-suave: #98a0b0;
  --texto-tenue: #626a7a;
  --azul: #5b8cff;
  --violeta: #9b6bff;
  --cyan: #2dd4bf;
  --rosa: #ff6ba8;
  --ambar: #fbbf24;
  --verde: #34d399;
  --rojo: #f87171;
  --grad: linear-gradient(135deg, #5b8cff 0%, #9b6bff 55%, #c66bff 100%);
  --grad-cyan: linear-gradient(135deg, #2dd4bf, #5b8cff);
  --sombra: 0 18px 50px -18px rgba(0, 0, 0, 0.7);
  --radio: 16px;
  --radio-sm: 11px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  letter-spacing: 0.1px;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(91, 140, 255, 0.16), transparent 60%),
    radial-gradient(800px 600px at 100% 0%, rgba(155, 107, 255, 0.13), transparent 55%),
    radial-gradient(700px 700px at 50% 120%, rgba(45, 212, 191, 0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select {
  font-family: inherit;
  color: var(--texto);
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  padding: 11px 13px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
  width: 100%;
}
input:focus, textarea:focus, select:focus {
  border-color: rgba(91, 140, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.13);
}
input::placeholder, textarea::placeholder { color: var(--texto-tenue); }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.18); }

.oculto { display: none !important; }

/* ====================== LOGIN ====================== */
#login {
  position: relative;
  z-index: 2;
  height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}
.login-marca {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 64px;
  overflow: hidden;
}
.login-marca::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 400px at 20% 30%, rgba(91, 140, 255, 0.22), transparent 60%),
    radial-gradient(500px 500px at 80% 80%, rgba(155, 107, 255, 0.18), transparent 60%);
  z-index: -1;
}
.login-logo { display: flex; align-items: center; gap: 14px; margin-bottom: 38px; }
.login-logo .glifo {
  width: 52px; height: 52px; border-radius: 15px;
  background: var(--grad);
  display: grid; place-items: center;
  font-weight: 800; font-size: 22px;
  box-shadow: 0 10px 30px -8px rgba(91, 140, 255, 0.6);
}
.login-logo b { font-size: 20px; font-weight: 700; letter-spacing: 0.2px; }
.login-marca h1 {
  font-size: 52px; line-height: 1.05; font-weight: 800;
  letter-spacing: -1.4px; max-width: 12ch;
}
.login-marca h1 span {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.login-marca p { color: var(--texto-suave); font-size: 17px; margin-top: 20px; max-width: 42ch; line-height: 1.6; }
.login-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 34px; }
.chip {
  font-size: 12.5px; color: var(--texto-suave);
  background: var(--panel); border: 1px solid var(--borde);
  padding: 7px 13px; border-radius: 999px;
}
.login-form-wrap {
  display: flex; align-items: center; justify-content: center;
  padding: 40px; background: rgba(0, 0, 0, 0.2);
  border-left: 1px solid var(--borde);
  backdrop-filter: blur(8px);
}
.login-card { width: 100%; max-width: 380px; }
.login-card h2 { font-size: 26px; font-weight: 700; }
.login-card > p { color: var(--texto-suave); margin: 8px 0 28px; font-size: 14.5px; }
.campo { margin-bottom: 16px; }
.campo label { display: block; font-size: 12.5px; color: var(--texto-suave); margin-bottom: 7px; font-weight: 500; }
.btn-primario {
  width: 100%; padding: 13px; border-radius: var(--radio-sm);
  background: var(--grad); color: white; font-weight: 650; font-size: 15px;
  box-shadow: 0 12px 28px -10px rgba(91, 140, 255, 0.6);
  transition: transform 0.12s, box-shadow 0.2s, filter 0.2s;
}
.btn-primario:hover { transform: translateY(-1px); filter: brightness(1.07); }
.btn-primario:active { transform: translateY(0); }
.login-pista {
  margin-top: 22px; padding: 13px 15px; border-radius: var(--radio-sm);
  background: var(--panel); border: 1px solid var(--borde);
  font-size: 12.5px; color: var(--texto-suave); line-height: 1.6;
}
.login-pista b { color: var(--texto); }
.login-error {
  color: var(--rojo); font-size: 13px; margin-top: 12px; min-height: 18px;
}
.login-firma { position: absolute; bottom: 28px; left: 64px; font-size: 12.5px; color: var(--texto-tenue); }

/* ====================== APP SHELL ====================== */
#app { position: relative; z-index: 2; height: 100vh; display: grid; grid-template-columns: 252px 1fr; }

.barra {
  display: flex; flex-direction: column;
  background: rgba(10, 12, 17, 0.7);
  border-right: 1px solid var(--borde);
  backdrop-filter: blur(14px);
  padding: 20px 14px;
}
.barra-logo { display: flex; align-items: center; gap: 11px; padding: 6px 8px 22px; }
.barra-logo .glifo {
  width: 38px; height: 38px; border-radius: 11px; background: var(--grad);
  display: grid; place-items: center; font-weight: 800; font-size: 16px;
  box-shadow: 0 8px 20px -8px rgba(91, 140, 255, 0.6);
}
.barra-logo b { font-size: 15px; font-weight: 700; }
.barra-logo small { display: block; color: var(--texto-tenue); font-size: 11px; font-weight: 500; }
.nav-grupo { font-size: 10.5px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--texto-tenue); padding: 16px 12px 8px; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radio-sm);
  color: var(--texto-suave); font-size: 14px; font-weight: 500;
  transition: background 0.16s, color 0.16s;
  width: 100%; text-align: left; position: relative;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.85; }
.nav-item:hover { background: var(--panel); color: var(--texto); }
.nav-item.activo { background: var(--panel-fuerte); color: var(--texto); }
.nav-item.activo::before {
  content: ''; position: absolute; left: -14px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 20px; border-radius: 3px; background: var(--grad);
}
.nav-item .punto { margin-left: auto; background: var(--rojo); color: white; font-size: 10px; font-weight: 700; padding: 1px 7px; border-radius: 999px; }
.barra-pie { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--borde); }
.barra-user { display: flex; align-items: center; gap: 11px; padding: 8px; border-radius: var(--radio-sm); }
.avatar {
  width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
  display: grid; place-items: center; font-weight: 700; font-size: 13px; color: white;
  background: var(--grad-cyan);
}
.barra-user .info { overflow: hidden; }
.barra-user .info b { font-size: 13px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.barra-user .info small { font-size: 11.5px; color: var(--texto-tenue); }
.btn-salir { margin-left: auto; color: var(--texto-tenue); padding: 6px; border-radius: 8px; }
.btn-salir:hover { color: var(--rojo); background: var(--panel); }

/* ====================== CONTENIDO ====================== */
.contenido { overflow-y: auto; padding: 26px 32px 40px; }
.cabecera-vista { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 24px; gap: 18px; flex-wrap: wrap; }
.cabecera-vista h2 { font-size: 25px; font-weight: 750; letter-spacing: -0.5px; }
.cabecera-vista p { color: var(--texto-suave); font-size: 14px; margin-top: 5px; }
.acciones { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.btn {
  padding: 9px 15px; border-radius: var(--radio-sm); font-size: 13.5px; font-weight: 600;
  background: var(--panel); border: 1px solid var(--borde); color: var(--texto);
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn:hover { background: var(--panel-fuerte); border-color: var(--borde-claro); }
.btn:active { transform: scale(0.98); }
.btn.acento { background: var(--grad); border: none; color: white; box-shadow: 0 10px 24px -12px rgba(91, 140, 255, 0.7); }
.btn.acento:hover { filter: brightness(1.08); }
.btn svg { width: 16px; height: 16px; }

.tarjeta {
  background: var(--panel); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 20px;
  box-shadow: var(--sombra);
  backdrop-filter: blur(10px);
}
.tarjeta h3 { font-size: 15px; font-weight: 650; margin-bottom: 4px; }
.tarjeta .sub { color: var(--texto-tenue); font-size: 12.5px; margin-bottom: 16px; }

.grid-kpi { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin-bottom: 22px; }
.kpi { position: relative; overflow: hidden; }
.kpi .icono {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; margin-bottom: 14px;
  background: rgba(91, 140, 255, 0.13); color: var(--azul);
}
.kpi .icono svg { width: 20px; height: 20px; }
.kpi .valor { font-size: 32px; font-weight: 780; letter-spacing: -1px; line-height: 1; }
.kpi .etiqueta { color: var(--texto-suave); font-size: 13px; margin-top: 7px; }
.kpi .delta { font-size: 12px; margin-top: 8px; color: var(--verde); }

.fila { display: grid; gap: 16px; }
.fila.dos { grid-template-columns: 1.4fr 1fr; }
.fila.tres { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1100px) { .fila.dos, .fila.tres { grid-template-columns: 1fr; } }

/* listas / rankings */
.lista-rank { display: flex; flex-direction: column; gap: 3px; }
.rank-item { display: flex; align-items: center; gap: 12px; padding: 9px 8px; border-radius: 10px; transition: background 0.15s; }
.rank-item:hover { background: var(--panel); }
.rank-pos { width: 22px; height: 22px; border-radius: 7px; background: var(--panel-fuerte); display: grid; place-items: center; font-size: 12px; font-weight: 700; color: var(--texto-suave); }
.rank-item:first-child .rank-pos { background: var(--grad); color: white; }
.rank-nombre { font-size: 13.5px; font-weight: 550; flex: 1; }
.rank-barra { height: 6px; border-radius: 4px; background: var(--grad); min-width: 6px; }
.rank-valor { font-size: 12.5px; color: var(--texto-suave); font-variant-numeric: tabular-nums; width: 56px; text-align: right; }

/* tabla */
.tabla-wrap { overflow-x: auto; border-radius: var(--radio-sm); }
table.datos { width: 100%; border-collapse: collapse; font-size: 13px; }
table.datos th {
  text-align: left; color: var(--texto-tenue); font-weight: 600; font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 0.5px; padding: 11px 12px; border-bottom: 1px solid var(--borde);
  position: sticky; top: 0; background: var(--fondo-2); cursor: pointer; white-space: nowrap;
}
table.datos th:hover { color: var(--texto-suave); }
table.datos td { padding: 11px 12px; border-bottom: 1px solid rgba(255, 255, 255, 0.05); white-space: nowrap; }
table.datos tr:hover td { background: rgba(255, 255, 255, 0.022); }
.num { font-variant-numeric: tabular-nums; text-align: right; }

.pastilla { font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 999px; display: inline-block; }
.pastilla.azul { background: rgba(91, 140, 255, 0.15); color: #9db8ff; }
.pastilla.verde { background: rgba(52, 211, 153, 0.14); color: #6ee7b7; }
.pastilla.ambar { background: rgba(251, 191, 36, 0.14); color: #fcd34d; }
.pastilla.rosa { background: rgba(255, 107, 168, 0.14); color: #f9a8d4; }
.pastilla.gris { background: var(--panel-fuerte); color: var(--texto-suave); }
.pastilla.violeta { background: rgba(155, 107, 255, 0.16); color: #c4b0ff; }

/* ====================== GRAFO ====================== */
.grafo-zona { display: grid; grid-template-columns: 1fr 320px; gap: 16px; height: calc(100vh - 150px); min-height: 520px; }
#cy { width: 100%; height: 100%; border-radius: var(--radio); border: 1px solid var(--borde); background:
  radial-gradient(circle at 50% 40%, rgba(91,140,255,0.05), transparent 70%), rgba(0,0,0,0.22); }
.grafo-lateral { display: flex; flex-direction: column; gap: 14px; overflow-y: auto; }
.grafo-controles { display: flex; flex-direction: column; gap: 13px; }
.control-bloque label { font-size: 12px; color: var(--texto-suave); display: block; margin-bottom: 7px; font-weight: 500; }
.segmento { display: flex; background: rgba(0,0,0,0.3); border: 1px solid var(--borde); border-radius: 10px; padding: 3px; gap: 3px; }
.segmento button { flex: 1; padding: 7px 6px; border-radius: 7px; font-size: 12px; color: var(--texto-suave); font-weight: 550; transition: all 0.15s; }
.segmento button.activo { background: var(--panel-fuerte); color: var(--texto); }
.nodo-detalle { display: flex; flex-direction: column; gap: 10px; }
.nodo-detalle .titulo { display: flex; align-items: center; gap: 11px; }
.metricas-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.metrica-mini { background: rgba(0,0,0,0.25); border: 1px solid var(--borde); border-radius: 10px; padding: 10px 11px; }
.metrica-mini b { font-size: 18px; font-weight: 720; display: block; font-variant-numeric: tabular-nums; }
.metrica-mini small { font-size: 11px; color: var(--texto-tenue); }
.leyenda { display: flex; flex-wrap: wrap; gap: 7px 13px; }
.leyenda span { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--texto-suave); }
.leyenda i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }

/* matriz */
.matriz-wrap { overflow: auto; max-height: 460px; border-radius: var(--radio-sm); border: 1px solid var(--borde); }
table.matriz { border-collapse: collapse; font-size: 11px; }
table.matriz th, table.matriz td { padding: 0; text-align: center; }
table.matriz th { position: sticky; background: var(--fondo-2); color: var(--texto-tenue); font-weight: 600; padding: 5px 7px; z-index: 1; }
table.matriz thead th { top: 0; }
table.matriz .celda { width: 26px; height: 26px; }
table.matriz .rotulo { text-align: right; padding-right: 9px; color: var(--texto-suave); white-space: nowrap; position: sticky; left: 0; background: var(--fondo-2); }

/* ====================== CHAT ====================== */
.chat-zona { display: grid; grid-template-columns: 280px 1fr; gap: 16px; height: calc(100vh - 150px); min-height: 480px; }
.chat-lista { display: flex; flex-direction: column; gap: 4px; overflow-y: auto; padding-right: 4px; }
.chat-contacto { display: flex; align-items: center; gap: 11px; padding: 10px; border-radius: 11px; transition: background 0.15s; text-align: left; width: 100%; }
.chat-contacto:hover { background: var(--panel); }
.chat-contacto.activo { background: var(--panel-fuerte); }
.chat-contacto .info { overflow: hidden; flex: 1; }
.chat-contacto .info b { font-size: 13.5px; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-contacto .info small { font-size: 11.5px; color: var(--texto-tenue); }
.chat-panel { display: flex; flex-direction: column; background: rgba(0,0,0,0.2); border: 1px solid var(--borde); border-radius: var(--radio); overflow: hidden; }
.chat-cabecera { padding: 15px 18px; border-bottom: 1px solid var(--borde); display: flex; align-items: center; gap: 12px; }
.chat-mensajes { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 11px; }
.burbuja { max-width: 70%; padding: 10px 14px; border-radius: 15px; font-size: 13.5px; line-height: 1.5; }
.burbuja .meta { font-size: 11px; color: var(--texto-tenue); margin-bottom: 3px; }
.burbuja.propia { align-self: flex-end; background: var(--grad); color: white; border-bottom-right-radius: 5px; }
.burbuja.propia .meta { color: rgba(255,255,255,0.75); }
.burbuja.ajena { align-self: flex-start; background: var(--panel-fuerte); border: 1px solid var(--borde); border-bottom-left-radius: 5px; }
.chat-envio { padding: 14px; border-top: 1px solid var(--borde); display: flex; gap: 10px; }
.chat-envio input { flex: 1; }

/* ====================== MODAL ====================== */
.modal-fondo { position: fixed; inset: 0; background: rgba(0,0,0,0.55); backdrop-filter: blur(4px); z-index: 50; display: grid; place-items: center; padding: 20px; }
.modal { width: 100%; max-width: 460px; background: var(--fondo-2); border: 1px solid var(--borde-claro); border-radius: var(--radio); box-shadow: 0 30px 80px -20px black; overflow: hidden; }
.modal-cab { padding: 18px 22px; border-bottom: 1px solid var(--borde); display: flex; align-items: center; justify-content: space-between; }
.modal-cab h3 { font-size: 17px; font-weight: 680; }
.modal-cuerpo { padding: 22px; max-height: 70vh; overflow-y: auto; }
.modal-cuerpo .campo { margin-bottom: 14px; }
.modal-pie { padding: 16px 22px; border-top: 1px solid var(--borde); display: flex; gap: 10px; justify-content: flex-end; }
.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.cargando { display: grid; place-items: center; height: 200px; color: var(--texto-tenue); font-size: 14px; }
.vacio { text-align: center; padding: 50px 20px; color: var(--texto-tenue); }
.vacio svg { width: 42px; height: 42px; opacity: 0.4; margin-bottom: 12px; }

.toast-zona { position: fixed; bottom: 24px; right: 24px; z-index: 100; display: flex; flex-direction: column; gap: 10px; }
.toast { background: var(--fondo-2); border: 1px solid var(--borde-claro); border-left: 3px solid var(--azul); border-radius: 12px; padding: 13px 18px; font-size: 13.5px; box-shadow: var(--sombra); min-width: 240px; }
.toast.ok { border-left-color: var(--verde); }
.toast.error { border-left-color: var(--rojo); }

.barras-mini { display: flex; gap: 6px; align-items: flex-end; height: 90px; }
.barras-mini .col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.barras-mini .col .b { width: 100%; border-radius: 6px 6px 0 0; background: var(--grad); min-height: 4px; transition: height 0.6s cubic-bezier(.2,.8,.2,1); }
.barras-mini .col small { font-size: 11px; color: var(--texto-tenue); }
.barras-mini .col .n { font-size: 12px; font-weight: 600; }