/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: linear-gradient(
    165deg,
    var(--color-primary) 0%,
    color-mix(in srgb, var(--color-primary) 82%, var(--color-primary-dark)) 100%
  );
  color: #fff;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--color-primary) 38%, transparent);
}

.btn--primary:hover {
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--color-primary) 94%, #fff) 0%,
    var(--color-primary-dark) 100%
  );
  text-decoration: none;
  color: #fff;
  box-shadow: 0 6px 22px color-mix(in srgb, var(--color-primary) 42%, transparent);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}

.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
}

.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.0625rem;
}

.btn--success {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.btn-group__btn {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.875rem;
}

.btn-group__btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-group__btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-group__btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--color-primary) 22%, var(--color-border));
  box-shadow: 0 14px 36px var(--color-shadow-deep);
}

.card--elevated {
  box-shadow: 0 10px 36px var(--color-shadow-deep);
}

.card--elevated:hover {
  box-shadow: 0 18px 44px var(--color-shadow-deep);
}

.card h3 {
  margin-bottom: var(--space-sm);
}

.card p {
  color: var(--color-text-muted);
}

/* Badge */
.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: color-mix(in srgb, var(--color-primary) 13%, transparent);
  color: var(--color-primary-dark);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: 1px solid color-mix(in srgb, var(--color-primary) 18%, transparent);
}

[data-theme='dark'] .badge {
  background: color-mix(in srgb, var(--color-primary) 16%, transparent);
  color: var(--color-primary);
  border-color: color-mix(in srgb, var(--color-primary) 28%, transparent);
}

/* Form */
.form-row {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.form-error {
  display: block;
  min-height: 1.25rem;
  font-size: 0.8125rem;
  color: #b00020;
  margin-top: var(--space-xs);
}

[data-theme='dark'] .form-error {
  color: #ff8a80;
}

.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
  border-color: #b00020;
}

[data-theme='dark'] .form-group input.invalid,
[data-theme='dark'] .form-group select.invalid,
[data-theme='dark'] .form-group textarea.invalid {
  border-color: #ff8a80;
}

.form-success {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(44, 95, 46, 0.12);
  color: var(--color-primary-dark);
  font-weight: 600;
}

[data-theme='dark'] .form-success {
  background: rgba(76, 175, 80, 0.15);
  color: var(--color-primary);
}

/* Toggle switch */
.toggle-label {
  display: inline-flex !important;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  font-weight: 600 !important;
  margin-bottom: 0 !important;
}

.toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  position: relative;
  flex-shrink: 0;
  width: 3rem;
  height: 1.5rem;
  background: var(--color-border);
  border-radius: var(--radius-pill);
  transition: background-color 0.2s ease;
}

.toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: calc(50% - 4px);
  height: calc(100% - 4px);
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

.toggle-input:checked + .toggle-track {
  background: var(--color-primary);
}

.toggle-input:checked + .toggle-track::after {
  transform: translateX(100%);
}

.toggle-input:focus-visible + .toggle-track {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Count controls */
.count-control {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.count-btn {
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.count-btn:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.count-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  z-index: 1;
}

.count-input {
  width: 3.25rem;
  border: none;
  text-align: center;
  font-weight: 600;
  background: transparent;
  -moz-appearance: textfield;
}

.count-input::-webkit-outer-spin-button,
.count-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-sm);
  background: var(--color-surface);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.faq-item:hover {
  border-color: color-mix(in srgb, var(--color-primary) 15%, var(--color-border));
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  font-family: var(--font-body);
  font-size: 1rem;
  background: transparent;
  color: var(--color-text);
}

.faq-question:hover {
  background: var(--color-surface-alt);
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
  z-index: 1;
}

.faq-question__text {
  flex: 1;
  min-width: 0;
  text-align: inherit;
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-primary);
  transition: transform 0.2s ease;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--space-lg) var(--space-lg);
}

.faq-answer p {
  color: var(--color-text-muted);
}

.faq-answer__richtext p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.faq-answer__richtext p:last-child {
  margin-bottom: 0;
}

.control-label {
  display: block;
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.control-group {
  margin-bottom: var(--space-lg);
}

/* Floating scroll-to-top (created by main.js on all pages) */
.scroll-top-btn {
  position: fixed;
  right: max(var(--space-md), env(safe-area-inset-right));
  bottom: max(var(--space-md), env(safe-area-inset-bottom));
  z-index: 1190;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  background: linear-gradient(
    165deg,
    var(--color-primary) 0%,
    color-mix(in srgb, var(--color-primary) 82%, var(--color-primary-dark)) 100%
  );
  color: #fff;
  box-shadow:
    0 4px 18px color-mix(in srgb, var(--color-primary) 35%, transparent),
    0 0 0 1px color-mix(in srgb, var(--color-primary-dark) 40%, transparent);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 0.28s ease,
    visibility 0.28s ease,
    transform 0.28s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

.scroll-top-btn--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  box-shadow:
    0 6px 22px color-mix(in srgb, var(--color-primary) 42%, transparent),
    0 0 0 1px color-mix(in srgb, var(--color-primary-dark) 55%, transparent);
}

.scroll-top-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.scroll-top-btn:active {
  transform: translateY(2px);
}

.scroll-top-btn--visible:active {
  transform: translateY(2px);
}

.scroll-top-btn__icon {
  display: block;
}