/* ==========================================================================
   Component Styles — Buttons, Cards, Badges, Forms, Navigation, Footer
   ========================================================================== */

/* --------------------------------------------------------------------------
   Button
   -------------------------------------------------------------------------- */
.massajio-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 40px;
  padding: 0 var(--space-4);
  font-size: var(--text-body);
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}

.massajio-button--primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.massajio-button--primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-text-inverse);
}

.massajio-button--secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.massajio-button--secondary:hover {
  background-color: var(--color-accent-light);
}

.massajio-button--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.massajio-button--ghost:hover {
  color: var(--color-text);
}

.massajio-button--sm {
  height: 32px;
  padding: 0 var(--space-3);
  font-size: var(--text-badge);
}

.massajio-button--lg {
  height: 48px;
  padding: 0 var(--space-6);
}

.massajio-button--full {
  width: 100%;
}

.massajio-button:disabled,
.massajio-button[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Badge / Pill
   -------------------------------------------------------------------------- */
.massajio-badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 var(--space-2);
  font-size: var(--text-badge);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.massajio-badge--default {
  background-color: var(--color-surface-raised);
  color: var(--color-text-secondary);
}

.massajio-badge--accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.massajio-badge--warm {
  background-color: var(--color-warm-light);
  color: var(--color-warm);
}

.massajio-badge--cool {
  background-color: var(--color-cool-light);
  color: var(--color-cool);
}

.massajio-badge--md {
  height: 32px;
  padding: 0 var(--space-3);
  font-size: var(--text-caption);
}

/* --------------------------------------------------------------------------
   Card
   -------------------------------------------------------------------------- */
.massajio-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.massajio-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.massajio-card__image {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
}

.massajio-card__body {
  padding: var(--space-4);
}

.massajio-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.massajio-card__title {
  font-size: var(--text-h3);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: var(--space-2);
}

.massajio-card__title a {
  color: var(--color-text);
  text-decoration: none;
}

.massajio-card__title a:hover {
  color: var(--color-text-link);
}

.massajio-card__excerpt {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.massajio-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-caption);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Card — Hero Variant
   -------------------------------------------------------------------------- */
.massajio-card--hero {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.massajio-card--hero .massajio-card__image {
  aspect-ratio: 16 / 7;
}

.massajio-card--hero .massajio-card__body {
  padding: var(--space-5) var(--space-6);
}

.massajio-card--hero .massajio-card__title {
  font-size: var(--text-h2);
  font-family: var(--font-serif);
  line-height: 1.3;
}

.massajio-card--hero .massajio-card__excerpt {
  -webkit-line-clamp: 3;
  font-size: var(--text-body-lg);
}

@media (min-width: 640px) {
  .massajio-card--hero .massajio-card__body {
    padding: var(--space-6) var(--space-8);
  }
}

/* Hero card — no-image placeholder */
.massajio-card__image-placeholder {
  aspect-ratio: 16 / 7;
  width: 100%;
  background: linear-gradient(
    135deg,
    var(--color-accent-light) 0%,
    var(--color-accent) 50%,
    var(--color-accent-light) 100%
  );
  display: block;
}

/* --------------------------------------------------------------------------
   Input
   -------------------------------------------------------------------------- */
.massajio-input {
  width: 100%;
  height: 44px;
  padding: 0 var(--space-3);
  font-size: var(--text-body);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.massajio-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-light);
}

.massajio-input::placeholder {
  color: var(--color-text-muted);
}

.massajio-input--compact {
  height: 36px;
  font-size: var(--text-caption);
}

/* --------------------------------------------------------------------------
   Navigation (Header)
   -------------------------------------------------------------------------- */
.massajio-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-normal);
}

.massajio-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.massajio-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--width-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
}

.massajio-header__logo {
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  font-family: var(--font-sans);
}

.massajio-header__logo:hover {
  color: var(--color-text-link);
}

.massajio-header__nav {
  display: none;
}

@media (min-width: 1024px) {
  .massajio-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
  }
}

.massajio-header__nav-link {
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.massajio-header__nav-link:hover,
.massajio-header__nav-link[aria-current="page"] {
  color: var(--color-accent);
}

.massajio-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.massajio-header__search-toggle,
.massajio-header__dark-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.massajio-header__search-toggle:hover,
.massajio-header__dark-toggle:hover {
  color: var(--color-text);
  background-color: var(--color-surface-raised);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.massajio-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-4);
  margin-top: var(--space-12);
}

.massajio-footer__inner {
  max-width: var(--width-content);
  margin: 0 auto;
}

.massajio-footer__logo {
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.massajio-footer__tagline {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.massajio-footer__columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 640px) {
  .massajio-footer__columns {
    grid-template-columns: repeat(3, 1fr);
  }
}

.massajio-footer__column-title {
  font-size: var(--text-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.massajio-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.massajio-footer__link {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.massajio-footer__link:hover {
  color: var(--color-text-link);
}

.massajio-footer__copyright {
  font-size: var(--text-caption);
  color: var(--color-text-muted);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   Category Pill (horizontal scroll on mobile)
   -------------------------------------------------------------------------- */
.massajio-category-pills {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: var(--space-2) 0;
  scrollbar-width: none;
}

.massajio-category-pills::-webkit-scrollbar {
  display: none;
}

.massajio-category-pill {
  scroll-snap-align: start;
  flex-shrink: 0;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.massajio-category-pill:hover:not(.massajio-category-pill--active) {
  background-color: var(--color-surface-raised);
  color: var(--color-text);
}

.massajio-category-pill--active {
  cursor: default;
}

/* --------------------------------------------------------------------------
   Newsletter Form
   -------------------------------------------------------------------------- */
.massajio-newsletter {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: center;
}

.massajio-newsletter__title {
  font-size: var(--text-h3);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.massajio-newsletter__description {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.massajio-newsletter__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 400px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .massajio-newsletter__form {
    flex-direction: row;
  }
}

.massajio-newsletter__form .massajio-input {
  flex: 1;
}

/* --------------------------------------------------------------------------
   Callout Box
   -------------------------------------------------------------------------- */
.massajio-callout {
  border-left: 3px solid var(--color-border-strong);
  background-color: var(--color-surface-raised);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-6) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.massajio-callout--takeaway {
  border-left-color: var(--color-accent);
  background-color: var(--color-accent-light);
}

.massajio-callout--warning {
  border-left-color: var(--color-warm);
  background-color: var(--color-warm-light);
}

.massajio-callout--citation {
  border-left-color: var(--color-cool);
  background-color: var(--color-cool-light);
}

.massajio-callout__icon {
  margin-bottom: var(--space-2);
}

.massajio-callout__title {
  font-size: var(--text-body);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   Search Bar
   -------------------------------------------------------------------------- */
.massajio-search {
  position: relative;
}

.massajio-search__input {
  padding-left: var(--space-10);
}

.massajio-search__icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.massajio-search__clear {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  padding: var(--space-1);
}

.massajio-search__clear:hover {
  color: var(--color-text);
}

/* --------------------------------------------------------------------------
   Table of Contents (Desktop Sidebar)
   -------------------------------------------------------------------------- */
.massajio-toc {
  display: none;
}

@media (min-width: 1024px) {
  .massajio-toc {
    display: block;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-surface);
  }
}

.massajio-toc__title {
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.massajio-toc__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.massajio-toc__link {
  display: block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.massajio-toc__link:hover {
  color: var(--color-text);
}

.massajio-toc__link.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.massajio-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.massajio-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-2);
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.massajio-pagination .page-numbers:hover {
  background-color: var(--color-surface-raised);
  color: var(--color-text);
}

.massajio-pagination .page-numbers.current {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.massajio-pagination .prev,
.massajio-pagination .next {
  font-weight: 600;
}