/* ============================================================
   感情の星座 — 投稿一覧ページ (posts.css)
   ============================================================ */

/* --- Page layout ------------------------------------------- */
#posts-main {
  position: relative;
  z-index: 20;
  min-height: 100vh;
  padding: 120px 40px 80px;
  max-width: 1400px;
  margin: 0 auto;
}

/* --- Page hero --------------------------------------------- */
.posts-hero {
  text-align: center;
  margin-bottom: 56px;
}

.posts-hero-title {
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.posts-hero-title em {
  font-style: normal;
  color: var(--accent-pink);
  text-shadow: 0 0 20px rgba(246, 217, 225, 0.4);
}

.posts-hero-sub {
  font-size: 0.78rem;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  line-height: 2;
}

/* --- Controls bar (filter + sort) -------------------------- */
.controls-bar {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

/* --- Filter bar -------------------------------------------- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  flex: 1;
  justify-content: center;
}

/* --- Sort control ------------------------------------------ */
.sort-control {
  position: relative;
  flex-shrink: 0;
  align-self: flex-start;
}

.sort-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: rgba(246, 217, 225, 0.07);
  border: none;
  color: var(--text-muted);
  font-family: var(--font-base);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}

.sort-btn:hover,
.sort-btn.open {
  background: rgba(246, 217, 225, 0.13);
  color: var(--text-primary);
}

.sort-btn-arrow {
  font-size: 0.9rem;
  line-height: 1;
  transition: transform 0.2s ease;
  display: inline-block;
}

.sort-btn.open .sort-btn-arrow {
  transform: rotate(180deg);
}

.sort-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 130px;
  background: rgba(11, 16, 30, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 6px;
  list-style: none;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  z-index: 60;
  animation: dropdown-in 0.18s ease;
}

.sort-dropdown[hidden] {
  display: none;
}

@keyframes dropdown-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sort-option {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.sort-option:hover {
  background: rgba(246, 217, 225, 0.08);
  color: var(--text-primary);
}

.sort-option.active {
  color: var(--accent-pink);
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  background: rgba(246, 217, 225, 0.07);
  border: none;
  color: var(--text-muted);
  font-family: var(--font-base);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}

.filter-chip:hover {
  background: rgba(246, 217, 225, 0.13);
  color: var(--text-primary);
}

.filter-chip.active {
  background: rgba(246, 217, 225, 0.16);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(246, 217, 225, 0.12);
}

/* --- Cards grid -------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

/* --- Post card --------------------------------------------- */
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: 24px 24px 20px;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  animation: card-fade-up 0.5s ease both;
  min-height: 200px;
  outline: 1px solid transparent;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(224, 195, 139, 0.15);
}

@keyframes card-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Stagger animation delay for cards */
.post-card:nth-child(1)  { animation-delay: 0.02s; }
.post-card:nth-child(2)  { animation-delay: 0.06s; }
.post-card:nth-child(3)  { animation-delay: 0.10s; }
.post-card:nth-child(4)  { animation-delay: 0.14s; }
.post-card:nth-child(5)  { animation-delay: 0.18s; }
.post-card:nth-child(6)  { animation-delay: 0.22s; }
.post-card:nth-child(7)  { animation-delay: 0.26s; }
.post-card:nth-child(8)  { animation-delay: 0.30s; }
.post-card:nth-child(9)  { animation-delay: 0.34s; }
.post-card:nth-child(10) { animation-delay: 0.36s; }

/* --- Card: category chip ----------------------------------- */
.card-category-chip {
  display: inline-block;
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(246, 217, 225, 0.1);
  margin-bottom: 12px;
  align-self: flex-start;
}

/* --- Card: title ------------------------------------------- */
.card-title {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.55;
  letter-spacing: 0.03em;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* --- Card: body text --------------------------------------- */
.card-text {
  font-size: 0.82rem;
  font-weight: 300;
  color: rgba(241, 241, 242, 0.72);
  line-height: 1.75;
  letter-spacing: 0.02em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
  margin-bottom: 20px;
}

/* --- Card: footer row -------------------------------------- */
.card-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: none;
}

.card-username {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-star-key {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: rgba(252, 221, 163, 0.6);
  flex-shrink: 0;
  white-space: nowrap;
}

.card-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.card-stat {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.card-stat-icon {
  font-size: 0.68rem;
  opacity: 0.7;
}

.card-detail-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(246, 217, 225, 0.08);
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  flex-shrink: 0;
  text-decoration: none;
  line-height: 1;
}

.card-detail-btn:hover {
  background: rgba(246, 217, 225, 0.18);
  color: var(--accent-pink);
}

/* --- Empty state ------------------------------------------- */
.posts-empty {
  text-align: center;
  padding: 80px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 2.2;
  grid-column: 1 / -1;
}

/* ============================================================
   Posts Detail Modal
   ============================================================ */
#posts-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

#posts-modal.open {
  opacity: 1;
  pointer-events: all;
}

.posts-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 18, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.posts-modal-card {
  position: relative;
  z-index: 1;
  background: rgba(11, 16, 30, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 36px 36px 28px;
  max-width: 520px;
  width: 92vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.65);
  transform: scale(0.94) translateY(12px);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  scrollbar-width: thin;
  scrollbar-color: rgba(246, 217, 225, 0.15) transparent;
}

#posts-modal.open .posts-modal-card {
  transform: scale(1) translateY(0);
}

.posts-modal-card::-webkit-scrollbar {
  width: 4px;
}
.posts-modal-card::-webkit-scrollbar-track {
  background: transparent;
}
.posts-modal-card::-webkit-scrollbar-thumb {
  background: rgba(246, 217, 225, 0.15);
  border-radius: 4px;
}

/* --- Modal: close button ----------------------------------- */
.posts-modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: color 0.15s;
  line-height: 1;
}

.posts-modal-close:hover {
  color: var(--text-primary);
}

/* --- Modal: star key --------------------------------------- */
.modal-star-key {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.star-key-label {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.star-key-value {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--accent-yellow);
  text-shadow: 0 0 12px rgba(252, 221, 163, 0.4);
  font-variant-numeric: tabular-nums;
}

/* --- Modal: category chip ---------------------------------- */
.modal-cat-chip {
  display: inline-block;
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(246, 217, 225, 0.1);
  margin-bottom: 14px;
}

/* --- Modal: username --------------------------------------- */
.modal-username {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

/* --- Modal: title ------------------------------------------ */
.modal-post-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.6;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

/* --- Modal: full text -------------------------------------- */
.modal-post-text {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(241, 241, 242, 0.85);
  line-height: 1.85;
  letter-spacing: 0.03em;
  word-break: break-all;
  display: -webkit-box;
  -webkit-line-clamp: 10;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 28px;
}

/* --- Modal: actions row ------------------------------------ */
.modal-actions-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid rgba(246, 217, 225, 0.06);
}

.modal-views {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  flex: 1;
}

.modal-views svg {
  width: 14px;
  height: 14px;
  opacity: 0.55;
  flex-shrink: 0;
}

.pm-btn-resonate {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-family: var(--font-base);
  font-size: 0.78rem;
  font-weight: 400;
  padding: 7px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.04em;
}

.pm-btn-resonate:hover {
  background: rgba(220, 238, 248, 0.1);
  color: var(--accent-blue);
}

.pm-btn-resonate.active {
  background: rgba(220, 238, 248, 0.15);
  color: var(--accent-blue);
  border-color: rgba(220, 238, 248, 0.3);
}

@keyframes pm-pulse {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.pm-btn-resonate.pulse {
  animation: pm-pulse 0.35s ease;
}

/* --- Modal: detail link ------------------------------------ */
.modal-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(241, 241, 242, 0.12);
  transition: color 0.2s ease, border-color 0.2s ease;
  margin-left: auto;
}

.modal-detail-link:hover {
  color: var(--text-primary);
  border-color: rgba(241, 241, 242, 0.3);
}

/* ============================================================
   Mobile (< 600px)
   ============================================================ */
@media (max-width: 600px) {
  #posts-main {
    padding: 100px 16px 60px;
  }

  .posts-hero-title {
    font-size: 1.2rem;
  }

  .controls-bar {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
  }

  .filter-chip {
    font-size: 0.72rem;
    padding: 6px 14px;
  }

  .sort-control {
    align-self: center;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .posts-modal-card {
    padding: 28px 22px 22px;
    max-height: 90vh;
  }
}

/* ============================================================
   Posts Search Widget (bottom-right, keyword search)
   ============================================================ */
#posts-search {
  position: fixed;
  bottom: 36px;
  right: 36px;
  z-index: var(--z-search);
}

.psearch-inner {
  display: flex;
  align-items: center;
  flex-direction: row-reverse;
  gap: 0;
}

#posts-search-trigger {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  transition: box-shadow 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}

#posts-search-trigger svg {
  width: 18px;
  height: 18px;
}

#posts-search-trigger:hover,
#posts-search-trigger.active {
  box-shadow: 0 0 22px rgba(220, 238, 248, 0.3);
  color: var(--accent-pink);
}

#posts-search-input {
  width: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--text-primary);
  font-family: var(--font-base);
  font-size: 0.82rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  outline: none;
  transition: width 0.38s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.28s ease,
              padding 0.28s ease,
              border-color 0.28s ease,
              margin-right 0.28s ease;
}

#posts-search-input::placeholder {
  color: var(--text-muted);
}

#posts-search-input.expanded {
  width: 220px;
  opacity: 1;
  padding: 12px 20px;
  border-color: var(--glass-border);
  margin-right: 10px;
}

/* not-found tooltip (appears above the search widget) */
.psearch-notfound {
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid rgba(246, 217, 225, 0.25);
  border-radius: var(--radius-pill);
  padding: 7px 16px;
  font-size: 0.73rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--accent-pink);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.psearch-notfound.visible {
  opacity: 1;
  transform: translateY(0);
}