.theme-toggle {
  display: inline-flex;
  width: 40px;
  min-width: 40px;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  gap: 0;
  overflow: hidden;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg-card);
  color: var(--ink);
  font: 600 12px/1 var(--font);
  white-space: nowrap;
  cursor: pointer;
  flex-shrink: 0;
  transition:
    width var(--duration) var(--ease-in-out),
    background-color var(--duration) var(--ease-in-out),
    border-color var(--duration) var(--ease-in-out),
    color var(--duration) var(--ease-in-out);
}

.theme-toggle-label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    max-width var(--duration) var(--ease-in-out),
    opacity var(--duration) var(--ease-in-out);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  width: 76px;
  gap: 6px;
  padding-inline: 10px;
}

.theme-toggle:hover .theme-toggle-label,
.theme-toggle:focus-visible .theme-toggle-label {
  max-width: 36px;
  opacity: 1;
}

.site-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--orange);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.theme-toggle-sun,
.theme-toggle.is-dark .theme-toggle-moon {
  display: none;
}

.theme-toggle.is-dark .theme-toggle-sun {
  display: block;
}

.theme-toggle-floating {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1200;
  box-shadow: var(--shadow-md);
}

[data-theme="dark"] body {
  background-color: var(--bg);
  color: var(--ink);
}

[data-theme="dark"] :is(
  .contact-card,
  .contact-form,
  .consultant-form,
  .form-section,
  .faq-item,
  .faq-answer
) {
  border-color: var(--line);
  background-color: var(--bg-card);
  color: var(--ink);
}

[data-theme="dark"] :is(input, textarea, select) {
  border-color: var(--line);
  background-color: var(--bg-2);
  color: var(--ink);
  color-scheme: dark;
}

[data-theme="dark"] :is(input, textarea, select)::placeholder {
  color: var(--mute);
}

[data-theme="dark"] .progress-container {
  border-color: var(--line);
  background: var(--bg-card);
  color: var(--ink);
}

[data-theme="dark"] .progress-bar {
  background: var(--bg-2);
}

[data-theme="dark"] .site-header .header-menu-toggle {
  border-color: var(--line);
  background: var(--bg-card);
  color: var(--ink);
}

@media (max-width: 850px) {
  [data-theme="dark"] .site-header .header-nav {
    background-color: var(--bg-card);
  }

  .site-header .site-header-actions {
    order: 2;
    margin-left: auto;
  }

  .site-header .header-menu-toggle {
    order: 3;
    margin-left: 12px;
  }

  .site-header .theme-toggle {
    width: 40px;
    min-height: 40px;
  }

  .site-header .theme-toggle:hover,
  .site-header .theme-toggle:focus-visible {
    width: 40px;
    gap: 0;
    padding: 8px;
  }

  .site-header .theme-toggle-label {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .theme-toggle {
    transition: none;
  }
}