body {
    font-family: 'Roboto', sans-serif;
    background-color: #ebf0f7;
    margin: 0;
}

.container-fluid.px-4 {
  background-color: #ebf0f7;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    background: white;
    border-radius: 10px;
}

.container-custom {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}

.main-content-wrapper {
  background-color: #ebf0f7;
  padding-top: 40px;
  padding-bottom: 40px;
}

h1, h2, h3 {
    color: #007bff;
}

input[type="text"], textarea {
    width: 100%;
    margin: 8px 0;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 6px;
    margin-top: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

table, th, td {
    border: 1px solid #ccc;
}

th, td {
    padding: 8px;
    text-align: center;
}

canvas {
    margin-top: 20px;
    max-width: 100%;
}


.bg-primary {
  background-color: #fff;
}
.bg-white {
  background-color: #fff;
}
header .nav-center a {
  font-weight: 500;
  font-size: 16px;
  transition: color 0.2s;
}

header .nav-center a:hover {
  color: #ffc107;
}

.logo-left img,
.logo-right img {
  display: block;
}

footer h6 {
  font-size: 16px;
  margin-bottom: 15px;
}

footer a:hover {
  color: #007bff;
  text-decoration: underline;
}
.mau-footer {
    background-color: #2575e6 !important;
    color: white;
}

/* Fix logo mobile bị che */
#mobile-menu-btn {
  font-size: 24px;
  padding: 5px 10px;
  background: none;
  border: none;
  z-index: 1051;
}

/* Căn giữa logo và đẩy nút qua bên trái */
.logo-wrapper {
  flex: 1;
}


#mobile-menu {
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.05);
  padding-left: 10px;
}

@media (max-width: 768px) {
  .logo-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  /* Đặt nút sang bên trái thay vì phải */
  #mobile-menu-btn {
    position: static !important;
    margin-right: auto;
  }
}
.spinner {
  position: relative;
  width: 80px;
  height: 80px;
  margin: auto;
}

.blob {
  position: absolute;
  width: 35px;
  height: 35px;
  background: #0d6efd;
  border-radius: 50%;
  opacity: 0.7;
  animation: blob-anim 2s infinite ease-in-out;
}

.blob.top {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

.blob.bottom {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 0.4s;
}

.blob.left {
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  animation-delay: 0.8s;
}

.blob.move-blob {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #ffc107;
  animation-delay: 1.2s;
}

@keyframes blob-anim {
  0%, 100% { transform: scale(1) translate(-50%, -50%); }
  50% { transform: scale(1.5) translate(-50%, -50%); }
}