:root {
  --primary-color: #4db7cd;
  --primary-dark: #3a9bb0;
  /* Bootstrap color tokens mapped to project palette */
  --bs-primary: var(--primary-color);
  --bs-secondary: var(--primary-dark);
  /* RGB forms used by some Bootstrap utilities (format: R, G, B) */
  --bs-primary-rgb: 77, 183, 205; /* #4db7cd */
  --bs-secondary-rgb: 58, 155, 176; /* #3a9bb0 */
  --background-color: #ffffff;
  --text-color: #333;
  --text-muted: #666;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --primary-light: rgba(77, 183, 205, 0.15);
  --primary-shadow: rgba(77, 183, 205, 0.3);
  --hover-background: #f0f9fb;
}

body {
  background: var(--background-color);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

#LogoAcsi {
  height: 100%;
  width: 100%;
}
#background-login {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}
.login-container {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow-color);
  max-width: 900px;
  width: 100%;
}

.logo-section {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  min-height: 580px;
}
logo-placeholder {
  width: 300px;
  height: 300px;
}
.form-section {
  padding: 50px 40px;
}
.form-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 10px;
}
.form-subtitle {
  color: var(--text-muted);
  margin-bottom: 30px;
}
.form-control {
  padding: 12px 15px;
  border-radius: 10px;
  border: 2px solid var(--border-color);
  transition: all 0.3s;
}
.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem var(--primary-light);
}
.input-group-text {
  background: transparent;
  border: 2px solid var(--border-color);
  border-left: none;
  border-radius: 0 10px 10px 0;
}
.input-group .form-control {
  border-right: none;
  border-radius: 10px 0 0 10px;
}
.btn-login {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  border: none;
  padding: 12px;
  font-weight: 600;
  border-radius: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px var(--primary-shadow);
}
.toggle-password {
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.2s;
}
.toggle-password:hover {
  color: var(--primary-color);
}
.version-badge {
  position: absolute;
  bottom: 15px;
  right: 15px;
  background: rgba(0, 0, 0, 0.05);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-muted);
}

.empresas-container {
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px var(--shadow-color);
  max-width: 1000px;
  width: 100%;
  padding: 40px;
}

.header-section {
  text-align: center;
  margin-bottom: 40px;
}

.header-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: white;
  margin-bottom: 20px;
  box-shadow: 0 10px 30px var(--shadow-hover);
}

.main-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 10px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 16px;
}

.search-box {
  margin-bottom: 30px;
}

.search-input {
  padding: 12px 20px 12px 45px;
  border-radius: 12px;
  border: 2px solid var(--border-color);
  width: 100%;
  transition: all 0.3s;
}

.search-input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem var(--primary-light);
  outline: none;
}

.search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 18px;
}

.empresas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.empresa-card {
  background: var(--card-background);
  border: 2px solid var(--border-color);
  border-radius: 15px;
  padding: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.empresa-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.empresa-card:hover {
  background: var(--hover-background);
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px var(--shadow-hover);
}

.empresa-card:hover::before {
  transform: scaleX(1);
}

.empresa-card.selected {
  background: var(--hover-background);
  border-color: var(--primary-color);
  border-width: 3px;
}

.empresa-card.selected::before {
  transform: scaleX(1);
}

.empresa-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  margin-bottom: 15px;
}

.empresas-icon img {
  width: 50px;
  height: 50px;
}

.empresa-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 8px;
}

.empresa-info {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.empresa-status {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  margin-top: 10px;
}

.status-activo {
  background: #d4edda;
  color: #155724;
}

.status-prueba {
  background: #fff3cd;
  color: #856404;
}

.check-icon {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 28px;
  height: 28px;
  background: var(--primary-color);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
}

.empresa-card.selected .check-icon {
  display: flex;
}

.action-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-continuar {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  border: none;
  padding: 12px 40px;
  font-weight: 600;
  border-radius: 10px;
  color: white;
  transition: all 0.3s;
  min-width: 200px;
}

.btn-continuar:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px var(--shadow-hover);
  color: white;
}

.btn-continuar:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-cancelar {
  background: transparent;
  border: 2px solid var(--border-color);
  padding: 12px 40px;
  font-weight: 600;
  border-radius: 10px;
  color: var(--text-color);
  transition: all 0.3s;
  min-width: 200px;
}

.btn-cancelar:hover {
  border-color: var(--text-color);
  background: var(--card-background);
}

/* .version-badge {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
} */

.no-results {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  display: none;
}

.no-results i {
  font-size: 48px;
  margin-bottom: 15px;
  opacity: 0.5;
}

@media (max-width: 768px) {
  .empresas-container {
    padding: 25px;
  }

  .main-title {
    font-size: 24px;
  }

  .empresas-grid {
    grid-template-columns: 1fr;
  }

  .action-buttons {
    flex-direction: column;
  }

  .btn-continuar,
  .btn-cancelar {
    width: 100%;
  }

  /* 
@media (max-width: 768px) { */
  .logo-section {
    min-height: 250px;
    padding: 30px;
  }
  .logo-placeholder {
    width: 120px;
    height: 120px;
    font-size: 32px;
  }
  .form-section {
    padding: 30px 25px;
  }
}

/* ===== SeleccionEmpresaPeriodo (mismos estilos del login) ===== */
.form-section .form-label {
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 6px;
}

.form-section .form-label i {
  color: var(--primary-color);
}

/* Selects estilizados con el mismo lenguaje visual que los inputs del login */
.form-section .form-select {
  padding: 8px 36px 8px 12px;
  height: 40px;
  line-height: 1.2;
  border-radius: 8px;
  border: 1.5px solid var(--border-color);
  transition: all 0.18s;
  background-color: #fff;
  color: var(--text-color);
  font-size: 0.92rem;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' fill='%234db7cd' viewBox='0 0 16 16'%3e%3cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 14px;
}

.form-section .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem var(--primary-light);
  outline: none;
}

.form-section .form-select:disabled {
  background-color: #f7f8fa;
  color: var(--text-muted);
  cursor: not-allowed;
  opacity: 0.85;
}

/* Botón Cancelar dentro de SeleccionEmpresaPeriodo */
.btn-cancel-seleccion {
  border-radius: 10px;
  padding: 12px 20px;
  font-weight: 600;
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  background: transparent;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-cancel-seleccion:hover {
  color: var(--text-color);
  border-color: var(--text-color);
  background: #f7f8fa;
}

/* Botones más pequeños para SeleccionEmpresaPeriodo */
.btn-small-seleccion {
  padding: 8px 14px;
  font-size: 0.92rem;
  border-radius: 8px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-small-seleccion i {
  font-size: 1rem;
}