/* ═══════════════════════════════════════════════════════════════
   Header Styles — Melbet Ethiopia
   Top bar (dark) + Main nav (yellow)
   ═══════════════════════════════════════════════════════════════ */

/* --- Top Bar (Dark) --- */
.top-bar {
  background: var(--color-dark);
  padding: .4rem 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 100;
}
.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}
.top-bar-left {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.top-bar-left .platform-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .25rem .55rem;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: .75rem;
  font-weight: 600;
  transition: background var(--transition);
}
.top-bar-left .platform-btn:hover {
  background: var(--color-surface-light);
}
.top-bar-left .platform-btn svg { width: 16px; height: 16px; }
.top-bar-center {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.top-bar-center .balance-widget {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .82rem;
  color: var(--color-text);
}
.top-bar-center .balance-widget .bal-label { color: var(--color-muted); font-size: .72rem; }
.top-bar-center .balance-widget .bal-amount { font-weight: 700; color: var(--color-primary); }
.top-bar-right {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.top-bar-right .lang-select {
  padding: .25rem .5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: .75rem;
}
.top-bar-right .btn-reg {
  background: var(--color-primary);
  color: var(--color-dark);
  font-weight: 700;
  font-size: .78rem;
  padding: .35rem .9rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: .03em;
  transition: background var(--transition);
}
.top-bar-right .btn-reg:hover { background: var(--color-accent); }
.top-bar-right .btn-login {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
  font-size: .78rem;
  padding: .35rem .9rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: .03em;
  transition: all var(--transition);
}
.top-bar-right .btn-login:hover { background: var(--color-primary); color: var(--color-dark); }

/* --- Main Header (Logo bar) --- */
.site-header {
  background: var(--color-dark);
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: var(--shadow-md);
}
.header-main {
  padding: .5rem 0;
}
.header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}
.site-logo .melbet-logo { height: 28px; width: auto; }
.site-logo .tagline {
  font-size: .65rem;
  color: var(--color-muted);
  display: none;
}

/* --- Hamburger (Mobile) --- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  cursor: pointer;
  z-index: 110;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Search (Desktop) --- */
.header-search {
  flex: 1;
  max-width: 320px;
  position: relative;
}
.header-search input {
  width: 100%;
  padding: .5rem .9rem .5rem 2.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: .85rem;
  outline: none;
  transition: border-color var(--transition);
}
.header-search input::placeholder { color: var(--color-muted); }
.header-search input:focus { border-color: var(--color-primary); }
.header-search .search-icon {
  position: absolute;
  left: .65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  font-size: .9rem;
  pointer-events: none;
}

/* --- Yellow Navigation Bar --- */
.main-nav {
  background: var(--color-primary);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.main-nav::-webkit-scrollbar { display: none; }
.main-nav .container {
  display: flex;
  align-items: stretch;
  padding: 0;
  max-width: 100%;
}
.main-nav ul {
  display: flex;
  align-items: stretch;
  gap: 0;
  min-width: max-content;
}
.main-nav li { display: flex; }
.main-nav a {
  display: flex;
  align-items: center;
  gap: .3rem;
  padding: .65rem .9rem;
  color: var(--color-dark);
  font-weight: 700;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .02em;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
  border-bottom: 3px solid transparent;
}
.main-nav a:hover,
.main-nav a.active {
  background: rgba(13,14,18,.12);
  border-bottom-color: var(--color-dark);
}
.main-nav a .live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-live);
  display: inline-block;
}
.main-nav a svg { width: 16px; height: 16px; }

/* --- Mobile Overlay Nav --- */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,14,18,.85);
  z-index: 105;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.mobile-nav-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--color-dark);
  z-index: 106;
  transform: translateX(-100%);
  transition: transform .35s ease;
  overflow-y: auto;
  padding: 1rem;
}
.mobile-nav-overlay.open .mobile-nav-panel { transform: translateX(0); }
.mobile-nav-panel .mobile-nav-close {
  display: flex;
  justify-content: flex-end;
  margin-bottom: .5rem;
}
.mobile-nav-panel .mobile-nav-close button {
  color: var(--color-text);
  font-size: 1.5rem;
  padding: .25rem;
}
.mobile-nav-panel .mobile-nav-section-title {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-muted);
  letter-spacing: .06em;
  margin-top: 1rem;
  margin-bottom: .4rem;
}
.mobile-nav-panel .mobile-nav-links a {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem .5rem;
  color: var(--color-text);
  font-size: .9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.mobile-nav-panel .mobile-nav-links a:hover { background: var(--color-surface); }
.mobile-nav-panel .mobile-nav-links a.active { color: var(--color-primary); font-weight: 700; }
.mobile-nav-panel .mobile-nav-auth {
  display: flex;
  gap: .5rem;
  margin-top: 1.5rem;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 600px) {
  .top-bar-center { display: none; }
  .top-bar-right .lang-select { display: none; }
  .hamburger { display: flex; }
  .header-search { display: none; }
  .main-nav { display: none; }
  .site-header { padding-bottom: 0; }
}
@media (min-width: 601px) and (max-width: 1024px) {
  .top-bar-center { display: none; }
  .hamburger { display: flex; }
  .main-nav a { padding: .55rem .7rem; font-size: .78rem; }
}
@media (min-width: 1025px) {
  .site-logo .tagline { display: block; }
  .mobile-nav-overlay { display: none; }
}


/* --- Responsive header refinements --- */
@media (max-width: 600px) {
  .top-bar { padding: .3rem 0; }
  .top-bar .container { gap: .35rem; }
  .top-bar-left { gap: .35rem; flex: 1; min-width: 0; }
  .top-bar-left .platform-btn { padding: .25rem .4rem; font-size: .68rem; }
  .top-bar-left .platform-btn svg { width: 14px; height: 14px; }
  .top-bar-left .balance-widget { display: none; }
  .top-bar-right { gap: .3rem; flex-shrink: 0; }
  .top-bar-right .btn-reg, .top-bar-right .btn-login { padding: .35rem .5rem; font-size: .66rem; }
  .header-main { padding: .45rem 0; }
  .header-main .container { gap: .55rem; }
  .site-logo { max-width: calc(100% - 36px); }
  .site-logo .melbet-logo { height: 25px; max-width: 170px; }
  .mobile-nav-panel { padding-top: max(1rem, env(safe-area-inset-top)); padding-bottom: env(safe-area-inset-bottom); }
  .mobile-nav-panel .mobile-nav-auth { flex-direction: column; }
  .mobile-bottom-bar { height: calc(var(--bottom-bar-h) + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); }
}
@media (max-width: 380px) {
  .top-bar-left .platform-btn { font-size: 0; }
  .top-bar-left .platform-btn svg { margin: 0; }
  .top-bar-right .btn-reg, .top-bar-right .btn-login { font-size: .6rem; padding-left: .4rem; padding-right: .4rem; }
}