/* ==========================================================================
   Consent Banner + Preferences Panel
   Loaded on every page via head.njk.
   Tokens from styles.css :root.
   ========================================================================== */

/* ---- Banner (fixed bottom bar) --------------------------------------- */

.consent-banner {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 9999;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 24px rgba(15, 35, 52, 0.12);
  animation: consent-slide-up 0.35s var(--transition-accelerate) both;
}

@media (prefers-reduced-motion: reduce) {
  .consent-banner { animation: none; }
}

@keyframes consent-slide-up {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.consent-banner[hidden] {
  display: none;
}

.consent-banner__inner {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
}

.consent-banner__body {
  flex: 1 1 320px;
  min-width: 0;
}

.consent-banner__title {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-h5);
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: var(--space-2xs);
}

.consent-banner__text {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

.consent-banner__text a {
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

/* ---- Banner buttons -------------------------------------------------- */

.consent-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
}

.consent-btn {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-small);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0.6rem 1.25rem;
  transition: background-color var(--transition-base), color var(--transition-base);
  white-space: nowrap;
}

.consent-btn--primary {
  background: var(--color-primary);
  color: var(--color-text-light);
}

.consent-btn--primary:hover {
  background: var(--color-primary-dark);
}

.consent-btn--secondary {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.consent-btn--secondary:hover {
  background: var(--color-border);
}

.consent-btn--link {
  background: none;
  color: var(--color-primary);
  padding-inline: var(--space-xs);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.consent-btn--link:hover {
  color: var(--color-primary-dark);
}

/* ---- Preferences panel ----------------------------------------------- */

.consent-prefs {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}

.consent-prefs[hidden] {
  display: none;
}

.consent-prefs__inner {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

.consent-prefs__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.consent-prefs__title {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-body);
  font-weight: 600;
  color: var(--color-heading);
  margin-bottom: 0;
}

.consent-prefs__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: var(--space-2xs);
  border-radius: var(--radius-sm);
  transition: color var(--transition-base);
}

.consent-prefs__close:hover {
  color: var(--color-heading);
}

.consent-prefs__close:focus-visible {
  outline: 2px solid var(--color-highlight);
  outline-offset: 2px;
}

/* ---- Category list --------------------------------------------------- */

.consent-prefs__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}

.consent-prefs__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.consent-prefs__item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.consent-prefs__item-label {
  font-weight: 600;
  font-size: var(--font-size-small);
  color: var(--color-heading);
}

.consent-prefs__item-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ---- Toggle switch --------------------------------------------------- */

.consent-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  cursor: pointer;
}

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

.consent-toggle__track {
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--color-neutral-200);
  transition: background-color var(--transition-base);
  display: flex;
  align-items: center;
  padding: 2px;
}

.consent-toggle__thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-accelerate);
}

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

.consent-toggle input:checked + .consent-toggle__track .consent-toggle__thumb {
  transform: translateX(20px);
}

.consent-toggle input:disabled + .consent-toggle__track {
  opacity: 0.6;
  cursor: not-allowed;
}

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

/* ---- Preferences footer ---------------------------------------------- */

.consent-prefs__actions {
  display: flex;
  justify-content: flex-end;
}

/* ---- Screen-reader only ---------------------------------------------- */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Responsive ------------------------------------------------------ */

@media (max-width: 768px) {
  .consent-banner__inner {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
  }

  .consent-banner__actions {
    justify-content: stretch;
  }

  .consent-btn {
    flex: 1 1 auto;
    text-align: center;
  }

  .consent-btn--link {
    flex: 0 0 auto;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .consent-banner__inner {
    padding: var(--space-md) var(--space-sm);
  }

  .consent-prefs__inner {
    padding: var(--space-md) var(--space-sm);
  }

  .consent-prefs__item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }

  .consent-toggle {
    align-self: flex-end;
  }
}