:root {
  --primary-bg: linear-gradient(180deg, #ffffff, #f2f2f2);
  --border-color: #e0e0e0;
  --text-primary: #333;
  --text-hover: #000;
  --hover-bg: #e9e9e9;
  --active-bg: #dcdcdc;
  --dropdown-bg: #f8f8f8;
}

@keyframes subrayarCentro {
  0% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}

.titulo-animado {
  position: relative;
  font-size: 48px;
  font-weight: bold;
  text-align: center;
  letter-spacing: 1px;
  color: var(--text-primary);
  display: block;
}

.titulo-animado::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 4px;
  background: linear-gradient(to right, #D32F2F, #FFFFFF, #0D47A1);
  border-radius: 3px;
  animation: subrayarCentro 1.4s ease-out forwards;
  margin: 0 auto;
}

.titulo-animado.lg {
  font-size: 72px;
}

.titulo-animado.sm {
  font-size: 32px;
}

.navbar-default {
  background: linear-gradient(180deg, #ffffff, #f2f2f2) !important;
  border: none !important;
  border-bottom: 1px solid var(--border-color);
}

.navbar-default .navbar-nav > li > a {
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus {
  color: var(--text-hover);
  background-color: var(--hover-bg);
  border-radius: 4px;
}

.navbar-default .navbar-nav > .open > a,
.navbar-default .navbar-nav > .open > a:hover,
.navbar-default .navbar-nav > .open > a:focus,
.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus {
  background-color: var(--active-bg);
  color: var(--text-hover);
  transition: all 0.3s ease;
  border-radius: 4px;
}

.navbar-default .dropdown-menu {
  background-color: var(--dropdown-bg);
  border: 0.5px solid var(--border-color);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  padding: 8px 0;
  margin-top: 8px;
}

.dropdown-menu > li > a {
  color: var(--text-primary);
  padding: 12px 20px !important;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.dropdown-menu > li > a:hover {
  background-color: var(--hover-bg);
  color: var(--text-hover);
  border-left-color: #D32F2F;
  padding-left: 24px !important;
}

.r-topheader {
  background: linear-gradient(180deg, #ffffff, #f2f2f2);
  border-bottom: 1px solid var(--border-color);
}

.form-control {
  font-size: 25px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  padding: 10px 12px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#recordspp1 {
  font-size: 16px !important;
}

.form-control:focus {
  border-color: #0D47A1;
  box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
  outline: none;
}

.navbar-brand {
  font-weight: 600;
  color: var(--text-primary) !important;
  transition: all 0.3s ease;
}

.navbar-brand:hover {
  color: var(--text-hover) !important;
}

.navbar-toggle {
  border-color: var(--border-color);
}

.navbar-toggle:hover,
.navbar-toggle:focus {
  background-color: var(--hover-bg);
}

.dropdown-menu > .divider {
  background-color: var(--border-color);
}