.uds-er-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.uds-er-header__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 64px;
  padding: 10px 14px;
}

.uds-er-header__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #0f172a;
  margin-right: auto;
  min-width: 0;
}

.uds-er-header__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #dbeafe;
  color: #2563eb;
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
}

.uds-er-header__brand-text {
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.uds-er-header__icon-btn,
.uds-er-header__book-btn,
.uds-er-header__menu-btn {
  flex: 0 0 auto;
}

.uds-er-header__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid #dbe3ea;
  border-radius: 999px;
  text-decoration: none;
  background: #ffffff;
  font-size: 18px;
}

.uds-er-header__book-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: #2563eb;
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.uds-er-header__menu-btn {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 42px;
  height: 42px;
  border: 1px solid #dbe3ea;
  border-radius: 10px;
  background: #ffffff;
  padding: 0 10px;
}

.uds-er-header__menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: #0f172a;
  border-radius: 2px;
}

.uds-er-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  z-index: 9998;
}

.uds-er-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(88vw, 360px);
  height: 100dvh;
  background: #ffffff;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  border-left: 1px solid #e5e7eb;
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
}

.uds-er-drawer.is-open {
  transform: translateX(0);
}

.uds-er-drawer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 14px 16px;
  border-bottom: 1px solid #e5e7eb;
  font-size: 18px;
  font-weight: 700;
}

.uds-er-drawer__close {
  border: 0;
  background: none;
  font-size: 28px;
  line-height: 1;
}

.uds-er-drawer__nav {
  padding: 10px 0;
  overflow-y: auto;
}

.uds-er-drawer__menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.uds-er-drawer__menu li {
  margin: 0;
  padding: 0;
}

.uds-er-drawer__menu a {
  display: block;
  padding: 14px 16px;
  border-bottom: 1px solid #eef2f7;
  text-decoration: none;
  color: #0f172a;
  font-size: 17px;
  font-weight: 500;
}

.uds-er-drawer__cta {
  margin-top: auto;
  padding: 16px;
  display: grid;
  gap: 12px;
  border-top: 1px solid #e5e7eb;
}

.uds-er-drawer__call,
.uds-er-drawer__book {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.uds-er-drawer__call {
  background: #eff6ff;
  color: #1d4ed8;
}

.uds-er-drawer__book {
  background: #2563eb;
  color: #ffffff;
}

body.uds-er-drawer-open {
  overflow: hidden;
}

@media (min-width: 1024px) {
  .uds-er-header__inner {
    max-width: 1440px;
    margin: 0 auto;
  }
}