/* ============================================
   Chatki Bet — Header Styles
   ============================================ */

/* --- Top Header Bar --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  height: var(--header-height);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 16px;
  gap: 12px;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}
.logo .logo-accent { color: var(--color-primary); }
.logo svg { flex-shrink: 0; }

/* Search Bar */
.header-search {
  position: relative;
  flex: 1;
  max-width: 400px;
  display: none;
}
.header-search input {
  width: 100%;
  height: 38px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 0 16px 0 38px;
  color: var(--color-text);
  font-size: 13px;
  transition: border-color var(--transition-fast);
}
.header-search input:focus {
  border-color: var(--color-primary);
}
.header-search input::placeholder {
  color: var(--color-muted);
}
.header-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.header-right .btn-register {
  background: var(--color-primary);
  color: #000;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.header-right .btn-register:hover {
  background: #ffc933;
  color: #000;
}
.header-right .btn-login {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
}
.header-right .btn-login:hover {
  background: var(--color-primary);
  color: #000;
}
.header-right .btn-download-header {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--color-accent);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
}
.header-right .btn-download-header:hover {
  background: #ff4d5a;
  color: #fff;
}
.lang-toggle {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-normal);
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Navigation Tabs --- */
.nav-tabs {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
  z-index: 999;
  height: var(--nav-height);
}
.nav-tabs-inner {
  display: flex;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 16px;
  height: var(--nav-height);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  gap: 4px;
}
.nav-tabs-inner::-webkit-scrollbar { display: none; }
.nav-tab {
  padding: 8px 16px;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: all var(--transition-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
}
.nav-tab:hover {
  color: var(--color-text);
}
.nav-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.nav-tab .live-dot {
  width: 6px;
  height: 6px;
  background: var(--color-live);
  border-radius: 50%;
  margin-left: 4px;
  animation: pulse-live 1.5s infinite;
}
@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Mobile Menu Overlay --- */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.7);
  z-index: 998;
}
.mobile-menu-overlay.active { display: block; }
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  right: -100%;
  width: 280px;
  max-width: 85vw;
  height: calc(100vh - var(--header-height));
  background: var(--color-dark);
  border-left: 1px solid var(--color-border);
  z-index: 999;
  overflow-y: auto;
  transition: right var(--transition-normal);
  padding: 16px;
}
.mobile-menu.active { right: 0; }
.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 12px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}
.mobile-menu a:hover { background: var(--color-surface); }
.mobile-menu a.active { color: var(--color-primary); }
.mobile-menu .mobile-cta {
  display: flex;
  gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--color-border);
  margin-top: 8px;
}

/* --- Responsive --- */
@media (min-width: 1025px) {
  .header-search { display: block; }
  .hamburger { display: none; }
}
@media (max-width: 1024px) {
  .hamburger { display: flex; }
  .header-search { display: none; }
  .header-right .btn-login,
  .header-right .btn-register { display: none; }
}
@media (max-width: 600px) {
  .header-right .btn-download-header span { display: none; }
  .header-right .lang-toggle { display: none; }
  .logo { font-size: 16px; }
}