/* ============================================
   HEADER CSS — Melbet Cameroun
   ============================================ */

/* --- Top Header Bar --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--color-header);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
  gap: var(--space-md);
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.header-logo:hover {
  text-decoration: none;
}

.header-logo img {
  height: 48px;
  width: auto;
  display: block;
}

/* Search bar */
.header-search {
  flex: 1;
  max-width: 400px;
  position: relative;
  display: none;
}

.header-search input {
  width: 100%;
  height: 40px;
  padding: 0 var(--space-md) 0 2.5rem;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.header-search input::placeholder {
  color: var(--color-muted);
}

.header-search input:focus {
  border-color: var(--color-primary);
  background: var(--color-surface);
}

.header-search .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.header-actions .btn {
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
}

.header-actions .btn-register {
  background: var(--color-primary);
  color: var(--color-text);
  font-weight: 700;
}

.header-actions .btn-login {
  border: 1.5px solid var(--color-primary);
  color: var(--color-text);
  font-weight: 600;
  background: transparent;
}

/* Burger menu */
.burger-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  cursor: pointer;
  background: none;
  border: none;
}

.burger-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.burger-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.burger-btn.active span:nth-child(2) {
  opacity: 0;
}

.burger-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Navigation Bar --- */
.nav-bar {
  background: var(--color-header);
  border-bottom: 1px solid var(--color-border);
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 899;
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: var(--nav-height);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 var(--space-md);
  gap: 0;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0 var(--space-md);
  height: 100%;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
  white-space: nowrap;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.nav-link:hover {
  color: var(--color-text);
  text-decoration: none;
  background: var(--color-surface-alt);
}

.nav-link.active {
  color: var(--color-text);
  border-bottom-color: var(--color-primary);
}

.nav-link .live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-live);
  animation: pulse-live 1.5s infinite;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Mobile Menu Overlay --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 950;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu.open {
  pointer-events: auto;
  opacity: 1;
}

.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: var(--color-surface);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.mobile-menu.open .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  color: var(--color-muted);
}

.mobile-menu-close:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.mobile-menu-nav {
  padding: var(--space-md) 0;
}

.mobile-menu-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-left: 3px solid transparent;
}

.mobile-menu-nav a:hover,
.mobile-menu-nav a.active {
  background: var(--color-surface-alt);
  border-left-color: var(--color-primary);
  text-decoration: none;
}

.mobile-menu-actions {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

/* --- Responsive --- */
@media (min-width: 768px) {
  .header-search {
    display: block;
  }
}

@media (min-width: 1025px) {
  .burger-btn {
    display: none;
  }
  .header-search {
    display: block;
  }
}

@media (max-width: 1024px) {
  .header-actions .btn-register,
  .header-actions .btn-login {
    display: none;
  }
}

@media (max-width: 600px) {
  .header-top {
    padding: 0 var(--space-sm);
    gap: var(--space-sm);
  }
  .header-logo img {
    height: 39px;
  }
  .nav-inner {
    padding: 0 var(--space-sm);
  }
  .nav-link {
    padding: 0 var(--space-sm);
    font-size: 0.75rem;
  }
}