:root {
  --azul: #2563EB;
  --azul-600: #1D4ED8;
  --morado: #7C3AED;
  --grad: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  --tinta: #0F172A;
  --gris-700: #334155;
  --gris-600: #475569;
  --gris-400: #94A3B8;
  --gris-200: #E2E8F0;
  --gris-100: #F1F5F9;
  --gris-50: #F8FAFC;
  --blanco: #fff;
  --rojo: #DC2626;
  --verde: #059669;
  --radio: 14px;
  --sombra: 0 2px 8px rgba(15, 23, 42, .06);
  --sombra-md: 0 8px 24px rgba(15, 23, 42, .08);
  --barra-ancho: 250px;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--gris-50);
  color: var(--gris-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--tinta); line-height: 1.25; letter-spacing: -.02em; }
a { color: inherit; }
img { display: block; max-width: 100%; }

:focus-visible { outline: 3px solid var(--azul); outline-offset: 2px; border-radius: 6px; }

/* ===== Barra lateral ===== */
.barra {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--barra-ancho);
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 22px 18px;
  background: var(--blanco);
  border-right: 1px solid var(--gris-200);
  overflow-y: auto;
}

.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--tinta);
  text-decoration: none;
  letter-spacing: -.02em;
}
.marca b { font-weight: 800; color: var(--azul); }

.menu { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.menu-titulo {
  margin: 16px 0 4px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--gris-400);
}
.menu a {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: .93rem;
  font-weight: 500;
  color: var(--gris-600);
  text-decoration: none;
  transition: background-color .2s, color .2s;
}
.menu a:hover { background: var(--gris-100); color: var(--tinta); }
.menu a.activo { background: #EFF6FF; color: var(--azul-600); font-weight: 600; }

.salir {
  padding: 10px 12px;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--gris-600);
  text-decoration: none;
  border: 1px solid var(--gris-200);
  text-align: center;
  transition: background-color .2s, color .2s;
}
.salir:hover { background: var(--gris-100); color: var(--tinta); }

/* ===== Contenido ===== */
.contenido {
  margin-left: var(--barra-ancho);
  padding: 34px clamp(20px, 4vw, 44px) 70px;
  max-width: 1100px;
}

.encabezado {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}
.encabezado h1 { font-size: 1.7rem; font-weight: 800; }
.encabezado p { font-size: .95rem; color: var(--gris-600); }
.acciones-encabezado { display: flex; gap: 10px; flex-wrap: wrap; }

.panel-caja {
  background: var(--blanco);
  border: 1px solid var(--gris-200);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 24px;
  margin-bottom: 18px;
}
.panel-caja h2 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 18px;
}
.ayuda-seccion {
  font-size: .85rem;
  color: var(--gris-600);
  margin: -10px 0 18px;
}

.plegable { display: none; }
.plegable.abierto { display: block; }

/* ===== Métricas ===== */
.tarjetas-metricas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}
.metrica {
  background: var(--blanco);
  border: 1px solid var(--gris-200);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 22px;
}
.metrica-valor {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--tinta);
  letter-spacing: -.03em;
  line-height: 1.1;
}
.metrica-etiqueta {
  font-size: .87rem;
  color: var(--gris-600);
}

/* ===== Formularios ===== */
.campo { margin-bottom: 16px; flex: 1; min-width: 0; }
.campo-corto { max-width: 130px; flex: 0 0 130px; }
.fila { display: flex; gap: 14px; flex-wrap: wrap; }

label {
  display: block;
  margin-bottom: 6px;
  font-size: .87rem;
  font-weight: 600;
  color: var(--gris-700);
}

input[type="text"], input[type="email"], input[type="number"],
input[type="password"], input[type="search"], select, textarea {
  width: 100%;
  padding: 11px 14px;
  font: inherit;
  font-size: .93rem;
  color: var(--tinta);
  background: var(--blanco);
  border: 1px solid var(--gris-200);
  border-radius: 10px;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--azul);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .14);
}
textarea { resize: vertical; line-height: 1.55; }

.campo small {
  display: block;
  margin-top: 5px;
  font-size: .82rem;
  color: var(--gris-600);
}

.casilla {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-weight: 500;
  cursor: pointer;
}
.casilla input { width: 17px; height: 17px; accent-color: var(--azul); cursor: pointer; }

.barra-acciones { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 20px;
  font: inherit;
  font-size: .92rem;
  font-weight: 600;
  color: var(--tinta);
  background: var(--blanco);
  border: 1px solid var(--gris-200);
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .2s, border-color .2s, color .2s, box-shadow .2s;
}
.boton:hover { background: var(--gris-100); border-color: var(--gris-400); }

.boton-primario {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, .22);
}
.boton-primario:hover {
  background: var(--grad);
  border-color: transparent;
  box-shadow: 0 12px 26px rgba(109, 40, 217, .3);
}

.boton-peligro {
  margin-top: 12px;
  background: var(--blanco);
  color: var(--rojo);
  border-color: #FECACA;
}
.boton-peligro:hover { background: #FEF2F2; border-color: var(--rojo); }

/* ===== Filtros ===== */
.filtros {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.filtros input[type="search"] { flex: 1; min-width: 220px; }
.filtros select { max-width: 200px; }

/* ===== Tabla ===== */
.tabla { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tabla th {
  text-align: left;
  padding: 10px 12px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gris-600);
  border-bottom: 1px solid var(--gris-200);
}
.tabla td { padding: 13px 12px; border-bottom: 1px solid var(--gris-100); }
.tabla tr:last-child td { border-bottom: 0; }

/* ===== Clientes ===== */
.cliente-cabecera,
.resena-cabecera {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.resena-estrellas {
  flex-shrink: 0;
  font-size: 1.15rem;
  letter-spacing: 2px;
  color: #F59E0B;
  white-space: nowrap;
}

.resena-fotos {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}
.resena-fotos img {
  width: 84px;
  height: 84px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--gris-200);
}
.cliente-cabecera h2 { margin-bottom: 4px; }
.empresa { font-weight: 500; color: var(--gris-600); }
.cliente-meta { font-size: .87rem; color: var(--gris-600); }
.cliente-meta a { color: var(--azul-600); }

.mensaje-cliente {
  margin-bottom: 18px;
  padding: 14px 16px;
  background: var(--gris-50);
  border: 1px solid var(--gris-200);
  border-radius: 8px;
  font-size: .92rem;
  font-style: italic;
  color: var(--gris-700);
}

.pastilla {
  display: inline-block;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  white-space: nowrap;
  background: var(--gris-100);
  color: var(--gris-700);
}
.pastilla-nuevo { background: #DBEAFE; color: #1E40AF; }
.pastilla-en-conversacion { background: #FEF3C7; color: #92400E; }
.pastilla-cotizado { background: #EDE9FE; color: #5B21B6; }
.pastilla-cerrado { background: #D1FAE5; color: #065F46; }
.pastilla-entregado { background: #CFFAFE; color: #155E75; }
.pastilla-perdido { background: #FEE2E2; color: #991B1B; }

.vacio { color: var(--gris-600); font-size: .95rem; }

/* ===== Avisos ===== */
.aviso {
  padding: 13px 18px;
  border-radius: 10px;
  margin-bottom: 18px;
  font-size: .92rem;
  font-weight: 500;
}
.aviso-ok { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.aviso-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }

/* ===== Login ===== */
.pantalla-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(124, 58, 237, .13), transparent 70%),
    var(--gris-50);
}
.tarjeta-login {
  width: 100%;
  max-width: 400px;
  padding: 40px 34px;
  background: var(--blanco);
  border: 1px solid var(--gris-200);
  border-radius: 22px;
  box-shadow: var(--sombra-md);
  text-align: center;
}
.tarjeta-login img { margin: 0 auto 20px; }
.tarjeta-login h1 { font-size: 1.35rem; font-weight: 800; margin-bottom: 8px; }
.tarjeta-login p { font-size: .93rem; color: var(--gris-600); margin-bottom: 24px; }
.tarjeta-login label { text-align: left; }
.tarjeta-login .boton { width: 100%; margin-top: 18px; }

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .barra {
    position: static;
    width: auto;
    border-right: 0;
    border-bottom: 1px solid var(--gris-200);
  }
  .menu { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .menu-titulo { width: 100%; margin: 10px 0 2px; }
  .contenido { margin-left: 0; padding: 24px 18px 60px; }
  .campo-corto { max-width: none; flex: 1; }
  .cliente-cabecera { flex-direction: column; }
}