/* Header component styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: 64px;
  padding-block: var(--space-2);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  min-width: 0;
}

.site-header__logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-1);
  background-color: var(--bg-base);
  flex-shrink: 0;
}

.site-header__logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  display: block;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  white-space: nowrap;
}

.site-header__nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-item {
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: var(--space-2) var(--space-1);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  border-bottom: 1px solid transparent;
}

.site-header__nav-link:hover {
  color: var(--text-primary);
  border-bottom-color: var(--text-secondary);
}

.site-header__nav-link:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  margin-left: auto;
}

.site-header__live {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  white-space: nowrap;
}

.site-header__live-text {
  display: inline;
}

.site-header__cta {
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  font-size: 14px;
  white-space: nowrap;
}

.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-1);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.site-header__toggle:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
}

.site-header__toggle:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

.site-header__toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1023px) {
  .site-header__inner {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  .site-header__brand {
    flex: 1 1 auto;
  }

  .site-header__actions {
    margin-left: 0;
  }

  .site-header__toggle {
    display: flex;
  }

  .site-header__nav {
    flex-basis: 100%;
    order: 3;
    display: none;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-default);
    padding: var(--space-4) 0;
  }

  .site-header__nav.is-open {
    display: block;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-header__nav-item {
    border-bottom: 1px solid var(--border-default);
  }

  .site-header__nav-item:last-child {
    border-bottom: none;
  }

  .site-header__nav-link {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border-bottom: none;
    text-align: left;
  }

  .site-header__nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-bottom: none;
  }
}

@media (max-width: 767px) {
  .site-header__inner {
    min-height: 56px;
    padding-block: var(--space-1);
  }

  .site-header__logo-wrap {
    width: 40px;
    height: 40px;
  }

  .site-header__logo {
    width: 28px;
    height: 28px;
  }

  .site-header__brand-text {
    font-size: 14px;
  }

  .site-header__live {
    display: none;
  }

  .site-header__cta {
    padding: var(--space-2) var(--space-3);
    font-size: 13px;
  }
}