/* ==========================================================================
   Dawn of Titans Codex - Community Tier List (Grid, Detail & Comments)
   Token layers: primitives (index.css) -> semantic -> component
   ========================================================================== */

#TIER_VIEW {
  /* semantic */
  --vote-up: var(--gold-primary, #e5b869);
  --vote-down: var(--accent-red, #e5566b);
  --rank-1: var(--gold-light, #fbe2a7);
  --rank-2: var(--text-secondary, #94a3b8);
  --rank-3: var(--gold-dark, #b8860b);
  --surface-card: var(--bg-surface, #0e1422);
  --surface-card-hover: var(--bg-surface-hover, #1c2840);
  /* component */
  --tier-card-min: 168px;
  --tier-gap: 16px;
  --tier-card-radius: var(--radius-md, 10px);

  padding: 24px 20px 56px;
}

#TIER_ROOT { max-width: 1280px; margin: 0 auto; }

/* ---------- header ---------- */
.tier_header { text-align: center; margin: 0 auto 24px; }
.tier_title {
  font-family: var(--font-display, 'Cinzel', serif);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--gold-light, #fbe2a7);
  margin: 0 0 6px;
}
.tier_title_left { text-align: left; margin: 0; }
.tier_subtitle { color: var(--text-secondary, #94a3b8); font-size: 14px; margin: 0; }

/* ---------- toolbar ---------- */
.tier_toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.tier_tabs {
  display: inline-flex; padding: 4px; gap: 4px;
  background: var(--bg-surface-elevated, #151e30);
  border: 1px solid var(--border-subtle, #1e2b42);
  border-radius: 999px;
}
.tier_tab {
  font: 600 13px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  padding: 8px 20px; border-radius: 999px; border: 0; cursor: pointer;
  background: transparent; color: var(--text-secondary, #94a3b8);
  transition: background .2s, color .2s;
}
.tier_tab:hover { color: var(--text-primary, #f8fafc); }
.tier_tab.active {
  background: linear-gradient(135deg, var(--gold-light, #fbe2a7), var(--gold-dark, #b8860b));
  color: var(--bg-core, #070a10);
  box-shadow: 0 2px 8px rgba(229, 184, 105, 0.25);
}
.tier_search, .tier_select {
  font: 500 13px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  padding: 9px 14px; border-radius: var(--radius-sm, 8px);
  background: var(--bg-surface-elevated, #151e30); color: var(--text-primary, #f8fafc);
  border: 1px solid var(--border-subtle, #1e2b42);
}
.tier_search { flex: 1 1 200px; min-width: 160px; }
.tier_search:focus, .tier_select:focus { outline: none; border-color: var(--border-gold, #e5b869); }

.tier_chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tier_chip {
  font: 600 12px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  padding: 6px 14px; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--text-secondary, #94a3b8);
  border: 1px solid var(--border-subtle, #1e2b42);
  transition: border-color .2s, color .2s, background .2s;
}
.tier_chip:hover { border-color: var(--border-gold, #e5b869); color: var(--text-primary, #f8fafc); }
.tier_chip[aria-pressed="true"] {
  background: var(--gold-primary, #e5b869); color: var(--bg-core, #070a10); border-color: var(--gold-primary, #e5b869);
  font-weight: 700;
}
.tier_status { color: var(--text-muted, #64748b); font-size: 12.5px; margin: 0 0 14px; min-height: 18px; }

/* ---------- grid ---------- */
.tier_grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: var(--tier-gap);
  grid-template-columns: repeat(auto-fill, minmax(var(--tier-card-min), 1fr));
}
.tier_grid_relic { --tier-card-min: 150px; }

.tier_card {
  position: relative;
  display: flex; flex-direction: column; gap: 8px;
  padding: 10px 10px 12px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle, #1e2b42);
  border-radius: var(--tier-card-radius);
  content-visibility: auto;
  contain-intrinsic-size: 220px 260px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.tier_card:hover {
  transform: translateY(-3px);
  background: var(--surface-card-hover);
  border-color: var(--border-gold, #e5b869);
}
.tier_card_link {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  text-decoration: none; color: inherit; border-radius: var(--radius-sm, 8px);
}
.tier_card_link:focus-visible, .tier_vote:focus-visible, .tier_chip:focus-visible,
.tier_tab:focus-visible, .tier_more:focus-visible, .tier_back:focus-visible,
.tier_open:focus-visible, .tier_comment_submit:focus-visible, .tier_trans_btn:focus-visible {
  outline: 2px solid var(--gold-light, #fbe2a7); outline-offset: 2px;
}

.tier_art {
  position: relative; width: 100%; aspect-ratio: 1 / 1;
  display: grid; place-items: center; overflow: hidden;
  border-radius: var(--radius-sm, 8px);
  background: radial-gradient(circle at 50% 35%, var(--bg-surface-hover, #1c2840), var(--bg-core, #070a10));
}
.tier_card_relic .tier_art, .tier_hero_relic .tier_art { aspect-ratio: 3 / 4; }
.tier_img { width: 100%; height: 100%; object-fit: contain; }
.tier_name {
  font: 700 13.5px var(--font-body, 'Plus Jakarta Sans', sans-serif); color: var(--text-primary, #f8fafc);
  text-align: center; line-height: 1.25;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.5em;
}
.tier_stars { height: 14px; width: auto; max-width: 100%; }

.tier_rank {
  position: absolute; top: 6px; left: 6px;
  font: 800 12px var(--font-display, 'Cinzel', serif); padding: 3px 9px; border-radius: 999px;
  background: var(--bg-core, #070a10); border: 1px solid currentColor;
}
.tier_rank_1 { color: var(--rank-1); box-shadow: 0 0 14px var(--rank-1); }
.tier_rank_2 { color: var(--rank-2); }
.tier_rank_3 { color: var(--rank-3); }
.tier_rank_n { color: var(--text-muted, #64748b); }

/* ---------- votes ---------- */
.tier_votes { display: flex; align-items: center; justify-content: center; gap: 8px; }
.tier_vote {
  padding: 5px 12px; min-width: 52px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer;
  background: transparent; color: var(--text-muted, #64748b);
  border: 1px solid var(--border-subtle, #1e2b42); border-radius: var(--radius-sm, 8px);
  transition: color .15s, border-color .15s, background .15s, transform .15s;
}
.tier_vote svg { width: 15px; height: 15px; fill: currentColor; flex-shrink: 0; }
.tier_vote_down svg { transform: rotate(180deg); }
.tier_vote:hover { transform: scale(1.05); color: var(--text-primary, #f8fafc); border-color: var(--border-gold, #e5b869); }
.tier_vote_up[aria-pressed="true"] { color: var(--vote-up); border-color: var(--vote-up); background: var(--bg-surface-elevated, #151e30); font-weight: 700; }
.tier_vote_down[aria-pressed="true"] { color: var(--vote-down); border-color: var(--vote-down); background: var(--bg-surface-elevated, #151e30); font-weight: 700; }

.tier_vote_count {
  font: 700 12px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.tier_hero_stats_pill {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 12px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--gold-light, #fbe2a7);
  background: rgba(229, 184, 105, 0.1);
  border: 1px solid rgba(229, 184, 105, 0.3);
  padding: 4px 12px; border-radius: 999px;
  margin-top: 2px;
}

/* ---------- skeleton ---------- */
.tier_skeleton { min-height: 250px; border-color: transparent; position: relative; }
.tier_skeleton::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(100deg, transparent 20%, var(--bg-surface-hover, #1c2840) 50%, transparent 80%);
  background-size: 200% 100%; animation: tier_shimmer 1.4s infinite linear;
}
@keyframes tier_shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

.tier_more {
  display: block; margin: 28px auto 0; padding: 11px 32px; cursor: pointer;
  font: 700 13px var(--font-body, 'Plus Jakarta Sans', sans-serif); color: var(--gold-light, #fbe2a7);
  background: transparent; border: 1px solid var(--border-gold, #e5b869); border-radius: 999px;
  transition: background .2s;
}
.tier_more:hover { background: var(--bg-surface-elevated, #151e30); }

/* ---------- detail view ---------- */
.tier_back {
  display: inline-block; margin-bottom: 18px; color: var(--text-secondary, #94a3b8);
  text-decoration: none; font: 600 13px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  transition: color .2s;
}
.tier_back:hover { color: var(--gold-light, #fbe2a7); }

.tier_hero {
  display: flex; flex-wrap: wrap; gap: 28px; align-items: center;
  padding: 24px; margin-bottom: 28px;
  background: var(--surface-card); border: 1px solid var(--border-gold, #e5b869);
  border-radius: var(--radius-lg, 14px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}
.tier_art_large { width: 220px; flex: 0 0 auto; }
.tier_hero_info { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; flex: 1 1 240px; }
.tier_hero_info .tier_votes { justify-content: flex-start; }
.tier_open {
  font: 700 13px var(--font-body, 'Plus Jakarta Sans', sans-serif); padding: 10px 22px; cursor: pointer; border: 0;
  border-radius: 999px; color: var(--bg-core, #070a10);
  background: linear-gradient(135deg, var(--gold-light, #fbe2a7), var(--gold-dark, #b8860b));
  transition: opacity .2s, transform .2s;
}
.tier_open:hover { opacity: 0.92; transform: translateY(-1px); }

/* ---------- comments section ---------- */
.tier_comments {
  margin-top: 32px;
  padding: 24px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle, #1e2b42);
  border-radius: var(--radius-lg, 14px);
}
.tier_comments_header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle, #1e2b42);
  padding-bottom: 12px;
}
.tier_section_title {
  font: 700 20px var(--font-display, 'Cinzel', serif);
  color: var(--gold-light, #fbe2a7);
  margin: 0;
  letter-spacing: 0.5px;
}
.tier_comments_count {
  font: 600 14px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--gold-primary, #e5b869);
}

/* Comment Form & Login CTA */
.tier_comments_login_prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 24px 20px;
  background: var(--bg-surface-elevated, #151e30);
  border: 1px dashed var(--border-gold, #e5b869);
  border-radius: var(--radius-md, 10px);
  text-align: center;
}
.tier_login_prompt_title {
  font: 700 15px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--gold-light, #fbe2a7);
  margin: 0;
}
.tier_login_prompt_desc {
  font: 400 13px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--text-secondary, #94a3b8);
  margin: 0;
  max-width: 480px;
}
.tier_login_prompt_btn {
  font: 700 13px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  padding: 9px 22px;
  border-radius: var(--radius-sm, 6px);
  border: 0;
  cursor: pointer;
  color: var(--bg-core, #070a10);
  background: linear-gradient(135deg, var(--gold-light, #fbe2a7), var(--gold-primary, #e5b869));
  box-shadow: 0 2px 10px rgba(229, 184, 105, 0.25);
  transition: all .15s ease;
}
.tier_login_prompt_btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.tier_comment_form {
  display: flex; flex-direction: column; gap: 10px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--bg-surface-elevated, #151e30);
  border: 1px solid var(--border-subtle, #1e2b42);
  border-radius: var(--radius-md, 10px);
}
.tier_comment_user_header {
  display: flex; align-items: center; gap: 10px; margin-bottom: 4px;
}
.tier_comment_user_avatar {
  width: 28px; height: 28px; border-radius: 50%; object-fit: cover;
  border: 1px solid var(--gold-primary, #e5b869);
}
.tier_comment_user_name {
  font: 700 13px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--gold-light, #fbe2a7);
}
.tier_comment_user_tag {
  font: 500 10.5px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--text-muted, #64748b);
  background: rgba(0, 0, 0, 0.4);
  padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border-subtle, #1e2b42);
}
.tier_comment_textarea {
  width: 100%;
  box-sizing: border-box;
  font: 400 13.5px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  padding: 10px 14px;
  background: var(--bg-core, #070a10);
  color: var(--text-primary, #f8fafc);
  border: 1px solid var(--border-subtle, #1e2b42);
  border-radius: var(--radius-sm, 6px);
  resize: vertical;
  min-height: 70px;
}
.tier_honeypot {
  position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0;
}
.tier_comment_footer {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px; margin-top: 4px;
}
.tier_char_count {
  font: 500 11.5px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--text-muted, #64748b);
}
.tier_comment_submit {
  font: 700 12.5px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  padding: 8px 20px;
  border: 0; cursor: pointer;
  border-radius: var(--radius-sm, 6px);
  color: var(--bg-core, #070a10);
  background: linear-gradient(135deg, var(--gold-light, #fbe2a7), var(--gold-primary, #e5b869));
  transition: opacity .2s, transform .15s;
}
.tier_comment_submit:hover:not(:disabled) {
  opacity: 0.9; transform: translateY(-1px);
}
.tier_comment_submit:disabled {
  opacity: 0.5; cursor: not-allowed;
}
.tier_form_notice {
  font: 600 12px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  padding: 8px 12px; border-radius: var(--radius-sm, 6px);
}
.tier_notice_ok {
  background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3);
}
.tier_notice_err {
  background: rgba(229, 86, 107, 0.15); color: #f87171; border: 1px solid rgba(229, 86, 107, 0.3);
}

/* Comments Feed */
.tier_comments_list {
  display: flex; flex-direction: column; gap: 14px;
}
.tier_comment_card {
  padding: 14px 16px;
  background: var(--bg-surface-elevated, #151e30);
  border: 1px solid var(--border-subtle, #1e2b42);
  border-radius: var(--radius-md, 10px);
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color .2s;
}
.tier_comment_card:hover {
  border-color: rgba(229, 184, 105, 0.3);
}
.tier_comment_card_header {
  display: flex; align-items: center; gap: 10px;
}
.tier_comment_avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(229, 184, 105, 0.2), rgba(21, 30, 48, 0.8));
  border: 1px solid var(--border-gold, #e5b869);
  color: var(--gold-light, #fbe2a7);
  font: 700 13px var(--font-display, 'Cinzel', serif);
}
.tier_comment_meta {
  display: flex; flex-direction: column; gap: 1px;
}
.tier_comment_name {
  font: 700 13px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--text-primary, #f8fafc);
}
.tier_comment_time {
  font: 400 11px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: var(--text-muted, #64748b);
}
.tier_comment_body {
  margin: 0;
  font: 400 13.5px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: #cbd5e1;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.tier_comment_body.translated {
  color: var(--gold-light, #fbe2a7);
  background: rgba(229, 184, 105, 0.05);
  padding: 6px 10px;
  border-radius: var(--radius-sm, 6px);
  border-left: 2px solid var(--gold-primary, #e5b869);
}

.tier_comment_actions {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 8px; margin-top: 4px;
}
.tier_trans_btn {
  font: 600 11.5px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  padding: 4px 10px;
  background: transparent;
  color: var(--text-muted, #64748b);
  border: 1px solid var(--border-subtle, #1e2b42);
  border-radius: 999px;
  cursor: pointer;
  transition: all .15s ease;
}
.tier_trans_btn:hover:not(:disabled) {
  color: var(--gold-light, #fbe2a7);
  border-color: var(--border-gold, #e5b869);
  background: rgba(229, 184, 105, 0.08);
}
.tier_trans_btn:disabled {
  opacity: 0.6; cursor: wait;
}

.tier_offline_pill {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 11.5px var(--font-body, 'Plus Jakarta Sans', sans-serif);
  color: #fbbf24; background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 3px 10px; border-radius: 999px;
  align-self: flex-start; margin-bottom: 8px;
}
.tier_skeleton_comment {
  height: 85px; min-height: 85px; border-radius: var(--radius-md, 10px);
}

.tier_empty_state {
  padding: 24px; text-align: center; color: var(--text-muted, #64748b); font-size: 13.5px;
  border: 1px dashed var(--border-subtle, #1e2b42); border-radius: var(--radius-md, 10px);
}

/* ---------- responsive & a11y ---------- */
@media (max-width: 640px) {
  #TIER_VIEW { padding: 16px 12px 44px; --tier-card-min: 140px; --tier-gap: 10px; }
  .tier_grid_relic { --tier-card-min: 130px; }
  .tier_tabs { width: 100%; }
  .tier_tab { flex: 1; text-align: center; }
  .tier_art_large { width: 100%; max-width: 200px; margin: 0 auto; }
  .tier_hero { padding: 16px; gap: 18px; }
  .tier_comments { padding: 16px; }
  .tier_comment_author { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .tier_card, .tier_vote, .tier_open, .tier_comment_submit { transition: none; }
  .tier_skeleton::after { animation: none; }
}