/* ============================================================
   GLASSGRID — LAYOUT SYSTEM
   Structural layout only. Zero color/visual values here.
   All visual styling references tokens via component classes.
   ============================================================ */

/* ── Page Shell ── */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ── Content Area ── */
.content-area {
  flex: 1;
  padding-top: var(--navbar-height);
  padding-bottom: var(--bottombar-height);
  overflow-y: auto;
  overflow-x: hidden;
}

/* ── Page Container ── */
.page-container {
  max-width: var(--page-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

/* ── Feed Layout ── */
.feed-layout {
  display: flex;
  flex-direction: column;
  gap: var(--content-gap);
  padding: var(--space-4) 0;
}

/* ── Explore Grid ── */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.explore-grid-item {
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
}

/* ── Story Reel ── */
.story-reel-wrapper {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: var(--space-4) var(--page-padding);
}

.story-reel-wrapper::-webkit-scrollbar {
  display: none;
}

.story-reel {
  display: flex;
  gap: var(--space-3);
  width: max-content;
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  padding: 0 var(--page-padding);
}

.navbar-inner {
  max-width: var(--page-max-width);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* ── Bottom Navigation ── */
.bottombar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottombar-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 var(--space-2);
  padding-bottom: env(safe-area-inset-bottom);
}

.bottombar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  flex: 1;
  padding: var(--space-2);
  min-height: 44px;
}

/* ── Post Card ── */
.post-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--post-radius);
}

.post-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
}

.post-card__media {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
}

.post-card__media--landscape { aspect-ratio: 16/9; }
.post-card__media--portrait  { aspect-ratio: 4/5; }
.post-card__media--square    { aspect-ratio: 1; }

.post-card__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
}

.post-card__caption {
  padding: 0 var(--space-4) var(--space-3);
}

.post-card__comments-preview {
  padding: 0 var(--space-4) var(--space-4);
}

/* ── Profile Header ── */
.profile-header {
  padding: var(--space-6) var(--page-padding);
}

.profile-header__identity {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.profile-header__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
  padding: var(--space-5) 0;
}

.profile-header__bio {
  padding: 0 0 var(--space-5);
}

/* ── Comment Box ── */
.comment-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.comment-box__item {
  display: flex;
  gap: var(--space-3);
}

.comment-box__input-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--page-padding);
}

/* ── Avatar ── */
.avatar {
  flex-shrink: 0;
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.avatar--xs  { width: 24px;  height: 24px; }
.avatar--sm  { width: 32px;  height: 32px; }
.avatar--md  { width: 40px;  height: 40px; }
.avatar--lg  { width: 56px;  height: 56px; }
.avatar--xl  { width: 80px;  height: 80px; }
.avatar--2xl { width: 96px;  height: 96px; }

/* ── Story Item ── */
.story-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.story-item__ring {
  border-radius: var(--radius-full);
  padding: 2px;
  position: relative;
}

/* ── Action Button ── */
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  min-width: 44px;
  border-radius: var(--button-radius);
  padding: var(--space-2) var(--space-5);
  position: relative;
  transition:
    transform var(--duration-fast) var(--ease-spring),
    background var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

/* ── Modal / Sheet ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-end;
}

.modal-sheet {
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  padding: var(--space-6) var(--page-padding);
  max-height: 90vh;
  overflow-y: auto;
}

/* ── Admin Panel Layout ── */
.admin-panel {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-sidebar {
  display: none;
}

.admin-content {
  flex: 1;
  padding: var(--space-4);
  padding-top: calc(var(--navbar-height) + var(--space-4));
}

.admin-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.admin-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.admin-token-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: calc(var(--bottombar-height) + var(--space-4));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-2);
  align-items: center;
  pointer-events: none;
  width: calc(100% - var(--space-8));
  max-width: var(--page-max-width);
}

.toast {
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  pointer-events: auto;
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--badge-radius);
  font: var(--text-micro);
}

/* ── Tablet+ adjustments ── */
@media (min-width: 640px) {
  .explore-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
  }

  .admin-sidebar {
    display: flex;
    flex-direction: column;
    width: 240px;
    min-height: 100vh;
    padding: var(--space-6) var(--space-4);
    position: fixed;
    top: 0;
    left: 0;
  }

  .admin-content {
    margin-left: 240px;
    padding: var(--space-8) var(--space-6);
    padding-top: var(--space-8);
  }

  .admin-panel {
    flex-direction: row;
  }
}

@media (min-width: 768px) {
  .modal-overlay {
    align-items: center;
  }

  .modal-sheet {
    border-radius: var(--radius-2xl);
    max-height: 80vh;
  }
}