.site_header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--bg);
  padding: 12px 16px 14px;
  display: grid;
  gap: 12px;
}

.site_header_top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
}

.site_brand {
  justify-self: start;
}

.site_header_actions {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-self: end;
}

/* Color scheme overrides (future-ready) */
body[data_color_scheme="light_neutrals"] {
  --bg: #FAFAFA;      /* Snow White */
  --bg_soft: #F2F0EC; /* Soft Linen */
  --border: #E6E4E1;  /* Mist Grey */
  --text: #161616;
  --muted: #595959;
  /* Accent needs enough contrast for UI focus states */
  --accent: #E59A62;      /* intensified warm accent */
  --accent_warm: #D98973; /* intensified coral */
  --accent_dark: #C67F4B;
  --accent_glow: rgba(229, 154, 98, 0.22);
  --accent_outline: rgba(229, 154, 98, 0.68);
  --card_bg: var(--bg_soft);
  --ok: #2d7a56;
  --bad: #b33a3a;
}

/* Light scheme: readable notices, steps, and admin surfaces */
body[data_color_scheme="light_neutrals"] .progress_step {
  background: rgba(0, 0, 0, 0.08);
}

body[data_color_scheme="light_neutrals"] .notice.ok {
  color: #1a5c40;
  border-color: rgba(45, 122, 86, 0.35);
  background: rgba(95, 212, 164, 0.14);
}

body[data_color_scheme="light_neutrals"] .notice.bad {
  color: #8a2424;
  border-color: rgba(179, 58, 58, 0.35);
  background: rgba(255, 138, 138, 0.12);
}

body[data_color_scheme="light_neutrals"] .tag_block {
  color: #8a2424;
}

body[data_color_scheme="light_neutrals"] .match_near_label {
  color: #b34a4a;
}

.site_theme_btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg_soft);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.site_theme_btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.site_theme_icon {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid currentColor;
  position: relative;
  display: block;
}

.site_theme_icon::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 999px;
  background: var(--accent);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.site_user_label {
  display: none;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  color: var(--muted);
}

.site_menu_btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg_soft);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.site_menu_btn:focus-visible,
.site_login_btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.site_menu_icon,
.site_menu_icon::before,
.site_menu_icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
}

.site_menu_icon::before,
.site_menu_icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site_menu_icon::before {
  top: -6px;
}

.site_menu_icon::after {
  top: 6px;
}

.site_menu_btn.is_open .site_menu_icon {
  background: transparent;
}

.site_menu_btn.is_open .site_menu_icon::before {
  top: 0;
  transform: rotate(45deg);
}

.site_menu_btn.is_open .site_menu_icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.site_login_btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg_soft);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.site_login_icon {
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: relative;
  display: block;
}

.site_login_icon::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -9px;
  width: 24px;
  height: 12px;
  margin-left: -12px;
  border: 2px solid currentColor;
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  background: transparent;
}

.site_login_icon_out::before {
  content: "";
  position: absolute;
  right: -7px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg);
}

.site_lang_btn {
  min-width: 44px;
  height: 44px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg_soft);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site_lang_btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.site_lang_icon {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: relative;
  display: block;
  flex-shrink: 0;
}

.site_lang_icon::before,
.site_lang_icon::after {
  content: "";
  position: absolute;
  border: 1px solid currentColor;
  border-radius: 50%;
  box-sizing: border-box;
}

.site_lang_icon::before {
  inset: 2px 1px 2px 1px;
  border-left: none;
  border-right: none;
}

.site_lang_icon::after {
  inset: 1px 2px 1px 2px;
  border-top: none;
  border-bottom: none;
}

.site_lang_code {
  line-height: 1;
}

.site_progress_steps {
  margin-top: -2px;
}

.site_nav_panel {
  position: fixed;
  top: 0;
  left: 0;
  width: min(300px, 86vw);
  height: 100vh;
  background: var(--bg_soft);
  color: var(--text);
  border-right: 1px solid var(--border);
  padding: 72px 18px 24px;
  z-index: 40;
  overflow-y: auto;
  box-shadow: 8px 0 24px rgba(0, 0, 0, 0.15);
}

.site_nav_panel[hidden] {
  display: none;
}

.site_nav_backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 35;
}

.site_nav_backdrop[hidden] {
  display: none;
}

.site_nav_list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.site_nav_list a {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
}

.site_nav_list a:hover,
.site_nav_list a:focus-visible {
  background: var(--bg);
  border-color: var(--border);
}

body.site_nav_open {
  overflow: hidden;
}

.auth_form {
  display: grid;
  gap: 14px;
  margin-top: 8px;
}

.auth_form_row {
  display: grid;
  gap: 6px;
}

.auth_form_row label {
  font-size: 14px;
  color: var(--muted);
}

.auth_form_actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.auth_switch {
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}

.auth_switch a {
  color: var(--accent);
}

@media (min-width: 720px) {
  .site_user_label {
    display: inline-block;
  }
}