/* ============================================================
   XinYuan Platform - Mobile Layout Styles
   Reusable in Vue/Vite production builds.
   ============================================================ */

/* ── Mobile Container ── */
.m-app {
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-bg-page);
  min-height: 100vh;
  padding-bottom: calc(var(--mobile-tabbar-height) + var(--mobile-safe-bottom));
  position: relative;
}

/* ── Mobile Header / Search Bar ── */
.m-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-primary);
  padding: var(--space-2) var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.m-header__city {
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 2px;
}
.m-header__search {
  flex: 1;
  height: 36px;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.9);
  border-radius: var(--radius-full);
  padding: 0 var(--space-3);
  gap: var(--space-2);
}
.m-header__search input {
  flex: 1;
  height: 100%;
  font-size: var(--font-size-sm);
  background: transparent;
}
.m-header__search-icon {
  color: var(--color-text-tertiary);
  font-size: var(--font-size-md);
}
.m-header__action {
  color: #fff;
  font-size: var(--font-size-sm);
  white-space: nowrap;
  cursor: pointer;
}

/* ── Banner / Carousel ── */
.m-banner {
  margin: var(--space-3);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-white);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-sm);
}

/* ── Category Grid (Mobile) ── */
.m-categories {
  background: var(--color-bg-white);
  margin: var(--space-3);
  border-radius: var(--radius-md);
  padding: var(--space-2) 0 var(--space-2) var(--space-2);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: stretch;
}
.m-categories__scroll {
  display: flex;
  overflow-x: auto;
  flex: 1;
  min-width: 0;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.m-categories__scroll::-webkit-scrollbar { display: none; }
.m-categories .xy-cat-item {
  flex: 1 0 0;
  min-width: 0;
  padding: var(--space-2) var(--space-1);
  gap: 2px;
}
.m-categories .xy-cat-item__icon {
  width: 34px;
  height: 34px;
  font-size: 18px;
  border-radius: var(--radius-md);
}
.m-categories .xy-cat-item__name {
  font-size: 11px;
  white-space: nowrap;
}
.m-categories__sticky {
  flex-shrink: 0;
  display: flex;
  align-items: stretch;
  background: var(--color-bg-white);
  padding-right: var(--space-2);
  box-shadow: -6px 0 6px -3px rgba(0,0,0,.05);
}
.m-categories__sticky .pc-cat-more { position: relative; display: flex; align-items: stretch; }
.m-categories__sticky .pc-cat-more__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: var(--space-2) var(--space-2);
  cursor: pointer;
  border-radius: var(--radius-md);
  border: none;
  background: none;
}
.m-categories__sticky .pc-cat-more__icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  background: #f5f5f5;
  color: #999;
}
.m-categories__sticky .pc-cat-more__label {
  font-size: 11px;
  color: var(--color-text-secondary);
}
.m-categories__sticky .pc-cat-more__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  z-index: 100;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 24px rgba(0,0,0,.15);
  padding: 8px;
  min-width: 280px;
}
.m-categories__sticky .pc-cat-more__dropdown.open {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.m-categories__sticky .pc-cat-more__dropdown .xy-cat-item { padding: var(--space-2); gap: 2px; }
.m-categories__sticky .pc-cat-more__dropdown .xy-cat-item__icon { width: 30px; height: 30px; font-size: 16px; }
.m-categories__sticky .pc-cat-more__dropdown .xy-cat-item__name { font-size: 10px; }

/* ── Quick City Links (Mobile) ── */
.m-cities {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-3);
  margin-bottom: var(--space-3);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.m-cities::-webkit-scrollbar { display: none; }
.m-cities__item {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-white);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.m-cities__item:hover, .m-cities__item.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ── Section Title ── */
.m-section {
  padding: 0 var(--space-3);
  margin-bottom: var(--space-3);
}
.m-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}
.m-section__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.m-section__more {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

/* ── Mobile Listing Card ── */
.m-listing {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--color-bg-white);
  margin: 0 var(--space-3) var(--space-2);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.m-listing__img {
  width: 110px;
  height: 82px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg-page);
  flex-shrink: 0;
}
.m-listing__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.m-listing__title {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.3;
}
.m-listing__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}
.m-listing__price {
  font-size: var(--font-size-md);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

/* ── Bottom Tab Bar ── */
.m-tabbar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  height: var(--mobile-tabbar-height);
  background: var(--color-bg-white);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  z-index: var(--z-fixed);
  padding-bottom: var(--mobile-safe-bottom);
}
.m-tabbar__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-1) 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
  text-decoration: none;
}
.m-tabbar__item:hover, .m-tabbar__item.active {
  color: var(--color-primary);
}
.m-tabbar__icon {
  font-size: 22px;
  line-height: 1;
}
.m-tabbar__label {
  font-size: 10px;
}
.m-tabbar__item--publish {
  position: relative;
}
.m-tabbar__publish-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-top: -16px;
  box-shadow: 0 2px 8px rgba(255, 85, 46, 0.3);
}

/* ── Page-level styles ── */
.m-page-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--mobile-header-height);
  background: var(--color-bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}
.m-page-header__back {
  position: absolute;
  left: var(--space-3);
  font-size: 20px;
  color: var(--color-text-primary);
  cursor: pointer;
}
.m-page-header__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}
.m-page-header__action {
  position: absolute;
  right: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-link);
  cursor: pointer;
}

/* ── Form page mobile ── */
.m-form {
  padding: var(--space-4) var(--space-3);
}
.m-form .xy-input, .m-form .xy-textarea {
  border-radius: var(--radius-md);
}
.m-form .xy-btn--block {
  height: 48px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
}