/**
 * Vue Privacy - Vanilla Modal Styles
 * @structured-world/vue-privacy
 *
 * Light/dark theme support via CSS variables and data attributes.
 * Mobile-first responsive design. WCAG 2.1 AA accessible.
 *
 * Customization via CSS variables:
 *   --consent-modal-bg, --consent-modal-text, --consent-modal-text-secondary,
 *   --consent-modal-border, --consent-link, --consent-btn-accept-bg,
 *   --consent-btn-accept-text, --consent-toggle-bg-on, --consent-toggle-bg-off,
 *   --consent-font
 */

/* Light theme (default) */
:root,
[data-consent-theme="light"] {
  --consent-modal-bg: #ffffff;
  --consent-modal-text: #1a1a1a;
  --consent-modal-text-secondary: #666666;
  --consent-modal-border: #e0e0e0;
  --consent-link: #0066cc;
  --consent-btn-accept-bg: #0066cc;
  --consent-btn-accept-text: #ffffff;
  --consent-toggle-bg-on: #0066cc;
  --consent-toggle-bg-off: #cccccc;
  --consent-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Dark theme */
[data-consent-theme="dark"] {
  --consent-modal-bg: #1a1a1a;
  --consent-modal-text: #ffffff;
  --consent-modal-text-secondary: #a0a0a0;
  --consent-modal-border: #333333;
  --consent-toggle-bg-off: #444444;
}

/* Auto theme: follow system preference */
@media (prefers-color-scheme: dark) {
  [data-consent-theme="auto"] {
    --consent-modal-bg: #1a1a1a;
    --consent-modal-text: #ffffff;
    --consent-modal-text-secondary: #a0a0a0;
    --consent-modal-border: #333333;
    --consent-toggle-bg-off: #444444;
  }
}

/* Overlay */
.consent-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  box-sizing: border-box;
}

.consent-modal-overlay *,
.consent-modal-overlay *::before,
.consent-modal-overlay *::after {
  box-sizing: border-box;
}

/* Visibility states */
.consent-modal-overlay--hidden {
  display: none;
}

/* Modal container */
.consent-modal {
  position: relative;
  background: var(--consent-modal-bg, #ffffff);
  color: var(--consent-modal-text, #1a1a1a);
  border-radius: 8px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  font-family: var(
    --consent-font,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif
  );
}

/* Header */
.consent-modal__header {
  padding: 1.5rem 3rem 1.5rem 1.5rem;
  border-bottom: 1px solid var(--consent-modal-border, #e0e0e0);
}

.consent-modal__title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--consent-modal-text, #1a1a1a);
}

.consent-modal__description {
  margin: 0;
  font-size: 0.875rem;
  color: var(--consent-modal-text-secondary, #666666);
  line-height: 1.5;
}

/* Close button */
.consent-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--consent-modal-text-secondary, #666666);
  cursor: pointer;
  padding: 0.25rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  line-height: 1;
  font-family: inherit;
}

.consent-modal__close:hover {
  background: var(--consent-modal-border, #e0e0e0);
}

.consent-modal__close:focus-visible {
  outline: 2px solid var(--consent-link, #0066cc);
  outline-offset: 2px;
}

/* Body with categories */
.consent-modal__body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.consent-modal__category {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--consent-modal-border, #e0e0e0);
}

.consent-modal__category:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.consent-modal__category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.consent-modal__category-name {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--consent-modal-text, #1a1a1a);
}

.consent-modal__category-description {
  margin: 0;
  font-size: 0.875rem;
  color: var(--consent-modal-text-secondary, #666666);
  line-height: 1.5;
}

/* Toggle switch */
.consent-toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
  flex-shrink: 0;
}

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

.consent-toggle__slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--consent-toggle-bg-off, #cccccc);
  border-radius: 24px;
  transition: background-color 0.3s;
}

.consent-toggle__slider::before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  border-radius: 50%;
  transition: transform 0.3s;
}

.consent-toggle__input:checked + .consent-toggle__slider {
  background-color: var(--consent-toggle-bg-on, #0066cc);
}

.consent-toggle__input:checked + .consent-toggle__slider::before {
  transform: translateX(24px);
}

.consent-toggle__input:disabled + .consent-toggle__slider {
  opacity: 0.5;
  cursor: not-allowed;
}

.consent-toggle__input:focus-visible + .consent-toggle__slider {
  outline: 2px solid var(--consent-link, #0066cc);
  outline-offset: 2px;
}

/* Footer */
.consent-modal__footer {
  padding: 1.5rem;
  border-top: 1px solid var(--consent-modal-border, #e0e0e0);
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.consent-modal__btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: inherit;
}

.consent-modal__btn:hover {
  opacity: 0.9;
}

.consent-modal__btn:focus-visible {
  outline: 2px solid var(--consent-link, #0066cc);
  outline-offset: 2px;
}

.consent-modal__btn--save {
  background: var(--consent-btn-accept-bg, #0066cc);
  color: var(--consent-btn-accept-text, #ffffff);
}

.consent-modal__btn--accept-all {
  background: transparent;
  color: var(--consent-link, #0066cc);
  border: 1px solid currentColor;
}

/* Animations - CSS hooks for custom animation implementations.
   These classes are provided for users who want to add enter/exit animations
   via JavaScript by toggling these classes. Not used by default modal.ts. */
.consent-modal-overlay--animating {
  transition: opacity 0.3s ease;
}

.consent-modal-overlay--animating .consent-modal {
  transition: transform 0.3s ease;
}

.consent-modal-overlay--entering {
  opacity: 0;
}

.consent-modal-overlay--entering .consent-modal {
  transform: scale(0.95);
}

/* Mobile responsiveness */
@media (max-width: 640px) {
  .consent-modal {
    max-width: 100%;
    max-height: 100vh;
    border-radius: 0;
  }

  .consent-modal__footer {
    flex-direction: column;
  }

  .consent-modal__btn {
    width: 100%;
    text-align: center;
  }
}