/* ==========================================================================
   Powerline Radio - Navbar Styles
   ========================================================================== */

/* -----------------------------
   Header/Navbar
   ----------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(var(--color-bg-rgb, 255, 255, 255), 0.9);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
}

.site-header.scrolled {
  background-color: var(--color-bg);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 99999;
  height: var(--header-height);
}

.logo h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin: 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
}

.main-nav {
  display: none;
}

.main-nav ul {
  display: flex;
  gap: 3rem;
}

.main-nav li a {
  color: var(--color-text);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

.main-nav li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-fast);
}

.main-nav li a:hover::after,
.main-nav li.active a::after {
  width: 100%;
}

.main-nav li.active a {
  color: var(--color-primary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.theme-toggle, 
.search-toggle,
.menu-toggle {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.theme-toggle:hover, 
.search-toggle:hover,
.menu-toggle:hover {
  background-color: rgba(var(--color-text-rgb, 0, 0, 0), 0.05);
}

.theme-toggle .light-icon {
  display: block;
}

.theme-toggle .dark-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .light-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .dark-icon {
  display: block;
}

.menu-toggle {
  cursor: pointer;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--color-bg);
  z-index: 999;
  padding: 4rem 0;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu nav ul {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mobile-menu nav li a {
  display: block;
  font-size: 2.4rem;
  font-weight: 600;
  padding: 1rem 0;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.mobile-menu nav li.active a {
  color: var(--color-primary);
}

.mobile-menu nav li a:hover {
  color: var(--color-primary);
}

.mobile-menu .social-links {
  margin-top: 4rem;
  display: flex;
  gap: 2rem;
}

.mobile-menu .social-links a {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  font-size: 1.8rem;
  transition: all var(--transition-fast);
}

.mobile-menu .social-links a:hover {
  background-color: var(--color-primary);
  color: white;
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg);
  z-index: 101;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.close-search {
  position: absolute;
  top: 3rem;
  right: 3rem;
  font-size: 2.4rem;
  color: var(--color-text);
}

.search-content {
  width: 100%;
  max-width: 700px;
  padding: 0 2rem;
}

.search-form {
  position: relative;
  margin-bottom: 4rem;
}

.search-form input {
  width: 100%;
  padding: 1.5rem 2rem;
  border: none;
  border-bottom: 2px solid var(--color-border);
  background-color: transparent;
  color: var(--color-text);
  font-size: 2rem;
}

.search-form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-form button {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: var(--color-text);
}

.quick-links h3 {
  margin-bottom: 2rem;
  font-size: 1.8rem;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1.5rem;
}

.quick-link {
  display: block;
  padding: 1rem 1.5rem;
  background-color: var(--color-bg-alt);
  border-radius: var(--border-radius-md);
  color: var(--color-text);
  transition: all var(--transition-fast);
  font-size: 1.4rem;
  text-align: center;
}

.quick-link:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* Responsive adjustments */
@media (min-width: 992px) {
  .main-nav {
    display: block;
  }
  
  .menu-toggle {
    display: none;
  }
}