/* Header styles */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-50);
  background-color: rgba(11, 11, 15, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-4) 0;
}

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

/* Logo styles */
.logo-container {
  flex-shrink: 0;
}

.logo {
  font-size: var(--font-xl);
  font-weight: 700;
  color: var(--primary-500);
  position: relative;
  padding-left: var(--space-10);
}

.logo::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  background-color: var(--primary-500);
  border-radius: var(--radius-sm);
  background-image: linear-gradient(135deg, var(--primary-400), var(--primary-600));
}

/* Search styles */
.search-container {
  display: none;
}

@media (min-width: 768px) {
  .search-container {
    display: block;
    margin: 0 var(--space-6);
    flex-grow: 1;
    max-width: 400px;
  }
}

.search-form {
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--space-3) var(--space-5);
  padding-right: var(--space-12);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: white;
  transition: background-color var(--transition-normal);
}

.search-input:focus {
  background-color: rgba(255, 255, 255, 0.15);
}

.search-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.search-button {
  position: absolute;
  top: 50%;
  right: var(--space-3);
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  color: white;
  opacity: 0.7;
  transition: opacity var(--transition-normal);
}

.search-button:hover {
  opacity: 1;
}

.search-button::before {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 2px solid white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
}

.search-button::after {
  content: "";
  position: absolute;
  width: 2px;
  height: 7px;
  background-color: white;
  bottom: 3px;
  right: 6px;
  transform: rotate(45deg);
}

/* Navigation styles */
.main-nav {
  display: none;
}

@media (min-width: 1024px) {
  .main-nav {
    display: block;
  }
}

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

.nav-item {
  margin: 0 var(--space-3);
}

.nav-link {
  font-size: var(--font-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-normal);
}

.nav-link:hover {
  color: white;
}

/* User actions styles */
.user-actions {
  display: none;
}

@media (min-width: 1024px) {
  .user-actions {
    display: flex;
    align-items: center;
  }
}

.login-btn, .vip-btn, .download-btn {
  font-size: var(--font-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

.login-btn {
  color: rgba(255, 255, 255, 0.8);
}

.login-btn:hover {
  color: white;
}

.vip-btn {
  background-color: var(--accent-500);
  color: white;
  margin-left: var(--space-3);
  margin-right: var(--space-3);
}

.vip-btn:hover {
  background-color: var(--accent-600);
}

.download-btn {
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
}

.download-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.bar {
  width: 100%;
  height: 2px;
  background-color: white;
  transition: all var(--transition-normal);
}