/* Header base styles */
.header {
  background: linear-gradient(90deg, #700707 0%, #0C1433 14.13%, #0C1433 50%, #711307 100%);
  padding: 0px 128px;
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  flex-shrink: 0;
}

.header-logo a {
  display: inline-block;
}

.header-logo img {
  height: 96px;
  width: auto;
  display: block;
}

.header-nav {
    display: flex;
    align-items: center;
}

.header-nav ul {
    list-style: none;
}

.user-nav {
    display: flex;
    align-items: center;
    margin-bottom: 0px;
}

.main-nav {
  display: flex;
  gap: 40px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin: 0px;
}

.main-nav a {
  color: #fff;
  text-decoration: none;
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: #f5a623;
}

.mobile-menu-close {
  display: none;
}

/* Tablet: giảm khoảng cách */
@media (max-width: 992px) {
  .header {
    padding: 0px 32px;
  }
  .header-nav { gap: 28px !important; }
}

/* Mobile */
@media (max-width: 768px) {
  .header { padding: 10px 16px !important; position: relative !important; }
  .header-wrap { position: static !important; }
  .header-logo img { height: 44px !important; }

  /* hiện nút hamburger, ẩn menu ngang */
  .header-toggle {
    display: block !important;
    background: none;
    border: none;
    padding: 0;
  }
  .header-nav {
    position: fixed !important;
    top: 0;
    left: -100%;
    width: 80%;
    height: 100vh;
    z-index: 1000;
    background: linear-gradient(90deg, #700707 0%, #0C1433 14.13%, #0C1433 50%, #711307 100%);
    backdrop-filter: blur(2px);
    padding: 80px 0 20px 0 !important;
    transition: left 0.3s ease-in-out;
    box-shadow: 2px 0 10px rgba(0,0,0,0.3);
  }
  .mobile-menu-close {
    display: flex;
    justify-content: flex-end;
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .close-btn {
    font-size: 32px;
    color: #fff;
    cursor: pointer;
    line-height: 1;
    user-select: none;
    transition: color 0.2s ease;
    background: none;
    border: none;
    padding: 0;
  }

  .close-btn:hover {
    color: #f5a623;
  }

  .header-nav {
    display: block;
  }

  .main-nav {
    flex-direction: column !important;
    gap: 0 !important;
  }

  .main-nav a {
    display: block !important;
    padding: 16px 24px !important;
    text-align: left !important;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 16px !important;
  }

  .main-nav .profile {
    display: flex !important;
    align-items: center;
  }

  .main-nav .dropdown-item {
    color: #000;
    padding: 8px 24px !important;
  }

  /* Bootstrap collapse show state - slide from left */
  .header-nav.show {
    left: 0 !important;
  }
}

/* Icon hamburger */
.hambar {
  width: 24px; height: 2px;
  background: #ffffff; display: block; margin: 5px 0;
  transition: all 0.3s ease;
}
.header-toggle { display: none; cursor: pointer; }

/* Hamburger animation when active */
.header-toggle.active .hambar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.header-toggle.active .hambar:nth-child(2) {
  opacity: 0;
}
.header-toggle.active .hambar:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}