/* Bracket maker — king-of-the-hill album gauntlet ("擂台赛").
   Magazine system: paper surfaces, ink rules, condensed display type,
   pill buttons. Art tiles are deterministic cover-style cards, not monograms. */

.bk-tool { margin-top: 26px; }
.bk-tool .watch-kicker { color: var(--site-accent); font: 800 11px/1.2 "Arial Narrow", sans-serif; letter-spacing: .16em; text-transform: uppercase; margin: 0 0 6px; }
.bk-hero { border-top: 3px solid var(--ink); border-bottom: 1px solid var(--line); padding: 26px 0 24px; }
.bk-hero h1 { margin: 4px 0 12px; font: 800 clamp(34px, 5.4vw, 62px)/1 "Arial Narrow", "Noto Sans SC", sans-serif; letter-spacing: -.02em; }
.bk-hero p { max-width: 62ch; font-size: 15px; line-height: 1.9; color: var(--muted); margin: 0; }

/* ---------- cover-style art tiles ---------- */

[class*="bk-"][class*="-art"] {
  display: grid; place-items: center; align-content: center; gap: .15em;
  background: linear-gradient(135deg, hsl(var(--a1, 220) 52% 30%), hsl(var(--a2, 260) 58% 44%));
  overflow: hidden; text-align: center;
}
[class*="-art-img"] { width: 100%; height: 100%; object-fit: cover; display: block; }
[class*="-art-album"] {
  color: #fff; font-weight: 800; font-size: 1em; line-height: 1.25; padding: 0 .5em;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  overflow-wrap: anywhere; text-shadow: 0 1px 8px rgba(0,0,0,.28);
}
[class*="-art-artist"] { color: rgba(255,255,255,.74); font-weight: 600; font-size: .52em; letter-spacing: .06em; padding: 0 .6em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 92%; }

/* ---------- candidate library ---------- */

.bk-cover-note { font-size: 12.5px; line-height: 1.9; color: var(--muted); margin: 16px 0 0; max-width: 62ch; }

.bk-pool { margin-top: 26px; border-top: 3px solid var(--ink); padding-top: 22px; }
.bk-pool-head h2 { margin: 0 0 8px; font: 800 clamp(24px, 3.6vw, 38px)/1 "Arial Narrow", "Noto Sans SC", sans-serif; letter-spacing: -.01em; }
.bk-pool-lead { font-size: 13.5px; line-height: 1.9; color: var(--muted); margin: 0; max-width: 62ch; }
.bk-pool-custom { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 18px; }
.bk-pool-custom input[type="text"] {
  flex: 1 1 240px; min-width: 0; padding: 11px 14px; border: 1px solid var(--line);
  border-radius: 999px; background: var(--surface); color: var(--ink); font: 13.5px/1.4 inherit;
}
.bk-pool-custom input[type="text"]:focus { outline: 2px solid var(--site-accent); outline-offset: -1px; border-color: var(--site-accent); }
.bk-pool-custom button {
  border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--surface);
  font: 800 12px/1.2 inherit; padding: 11px 18px; cursor: pointer; min-height: 42px;
}
.bk-pool-custom button:hover { background: var(--site-accent); border-color: var(--site-accent); }
.bk-pool-custom .bk-ghost { background: transparent; color: var(--ink); }
.bk-pool-custom .bk-ghost:hover { border-color: var(--site-accent); color: var(--site-accent); background: transparent; }
.bk-pool-imgstate { font: 700 11px var(--mono, monospace); color: var(--site-accent); letter-spacing: .04em; }
.bk-pool-note { font-size: 12px; line-height: 1.8; color: var(--muted); margin: 10px 0 0; }
.bk-pool-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 18px; }
.bk-pool-count { font: 800 12px var(--mono, monospace); letter-spacing: .06em; color: var(--ink); }
.bk-pool-sel { font: 800 12px var(--mono, monospace); letter-spacing: .06em; color: var(--site-accent); }
.bk-pool-meta input[type="search"] {
  flex: 1 1 170px; min-width: 130px; padding: 9px 14px; border: 1px solid var(--line);
  border-radius: 999px; background: var(--surface); color: var(--ink); font: 13px/1.4 inherit;
}
.bk-pool-meta input[type="search"]:focus { outline: 2px solid var(--site-accent); outline-offset: -1px; border-color: var(--site-accent); }
.bk-mini { border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); font: 700 11px/1.4 inherit; padding: 8px 12px; cursor: pointer; min-height: 34px; }
.bk-mini:hover { border-color: var(--ink); color: var(--ink); }
.bk-pool-msg { margin: 10px 0 0; font-size: 12.5px; color: #b3541e; }

.bk-pool-grid { margin-top: 16px; display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; max-height: 500px; overflow-y: auto; scrollbar-width: thin; padding-right: 2px; }
.bk-pool-card { position: relative; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); overflow: hidden; }
.bk-pool-card.is-on { border-color: var(--site-accent); box-shadow: 0 0 0 1px var(--site-accent); }
.bk-pool-pick { display: flex; flex-direction: column; gap: 7px; padding: 8px; cursor: pointer; min-height: 0; }
.bk-pool-pick input { position: absolute; top: 12px; left: 12px; width: 17px; height: 17px; accent-color: var(--site-accent); cursor: pointer; z-index: 2; }
.bk-pool-art { width: 100%; aspect-ratio: 1 / 1; font-size: 12px; border-radius: var(--radius-sm); }
.bk-pool-name { font-size: 12px; font-weight: 600; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.bk-pool-tag { position: absolute; top: 12px; right: 12px; border-radius: 999px; background: var(--ink); color: var(--surface); font: 800 9px/1.8 var(--mono, monospace); letter-spacing: .08em; padding: 0 8px; }
.bk-pool-del {
  position: absolute; bottom: 8px; right: 8px; width: 24px; height: 24px; border: 1px solid var(--line);
  border-radius: 999px; background: var(--surface); color: var(--muted); font: 700 14px/1 inherit; cursor: pointer;
}
.bk-pool-del:hover { border-color: #b3541e; color: #b3541e; }

.bk-pool-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.bk-pool-actions button {
  border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--surface);
  font: 800 13px/1.2 inherit; padding: 13px 24px; cursor: pointer; min-height: 46px;
}
.bk-pool-actions button:hover:not(:disabled) { background: var(--site-accent); border-color: var(--site-accent); }
.bk-pool-actions button:disabled { opacity: .45; cursor: not-allowed; }
.bk-pool-actions .bk-ghost { background: transparent; color: var(--ink); }
.bk-pool-actions .bk-ghost:hover:not(:disabled) { border-color: var(--site-accent); color: var(--site-accent); background: transparent; }

/* ---------- play ---------- */

.bk-play { margin-top: 26px; }
.bk-resumed { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); padding: 10px 16px; font-size: 13px; color: var(--muted); margin: 0 0 16px; }
.bk-play-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 20px; border-bottom: 2px solid var(--ink); padding-bottom: 14px; }
.bk-play-head h2 { font: 800 clamp(26px, 4vw, 42px)/1 "Arial Narrow", "Noto Sans SC", sans-serif; letter-spacing: -.01em; margin: 0; }
.bk-progress { margin-left: auto; font: 800 12px var(--mono, monospace); letter-spacing: .06em; color: var(--site-accent); }
.bk-inround { font: 11px var(--mono, monospace); color: var(--muted); width: 100%; }
.bk-bar { display: block; width: 100%; height: 5px; margin-top: 12px; appearance: none; }
.bk-bar::-webkit-progress-bar { background: var(--line); border-radius: 99px; }
.bk-bar::-webkit-progress-value { background: var(--site-accent); border-radius: 99px; }
.bk-bar::-moz-progress-bar { background: var(--site-accent); border-radius: 99px; }

.bk-matchup { display: grid; grid-template-columns: 1fr auto 1fr; gap: 16px; align-items: stretch; margin-top: 24px; }
.bk-vs { align-self: center; font: 800 22px "Arial Narrow", sans-serif; color: var(--site-accent); letter-spacing: .08em; }
.bk-card {
  display: flex; flex-direction: column; align-items: stretch;
  border: 2px solid var(--line); border-radius: var(--radius-md); background: var(--surface); cursor: pointer;
  padding: 0; text-align: left; color: var(--ink); min-height: 0; overflow: hidden;
}
.bk-card:hover:not(:disabled) { border-color: var(--site-accent); }
.bk-card:focus-visible { outline: 3px solid var(--site-accent); outline-offset: 2px; }
.bk-card-art { aspect-ratio: 1 / 1; font-size: clamp(22px, 3vw, 34px); }
.bk-card-badge {
  align-self: flex-start; margin: 14px 18px 0; padding: 4px 10px;
  border-radius: 999px; background: var(--ink); color: var(--surface);
  font: 800 10px/1.6 var(--mono, monospace); letter-spacing: .16em;
}
.bk-card[data-side="b"] .bk-card-badge { background: var(--site-accent); }
.bk-card-name { display: block; padding: 8px 18px 2px; font-size: 17px; font-weight: 750; line-height: 1.45; }
.bk-card-sub { display: block; padding: 0 18px 16px; font: 600 12px/1.5 inherit; color: var(--muted); }
.bk-matchup.is-locked .bk-card { opacity: .5; }
.bk-matchup.is-locked .bk-card.is-picked { opacity: 1; border-color: var(--site-accent); }
.bk-card:disabled { cursor: default; }

.bk-play-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.bk-play-actions button {
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink);
  font: 750 12px/1.2 inherit; padding: 11px 18px; cursor: pointer; min-height: 42px;
}
.bk-play-actions button:hover:not(:disabled) { border-color: var(--ink); }
.bk-play-actions button:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- queue (候补名单) ---------- */

.bk-queue-wrap { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 16px; }
.bk-queue-h { margin: 0 0 12px; font: 800 12px var(--mono, monospace); letter-spacing: .12em; color: var(--site-accent); }
.bk-queue { list-style: none; margin: 0; padding: 0 0 10px; display: flex; gap: 10px; overflow-x: auto; scrollbar-width: thin; }
.bk-queue-item {
  flex: 0 0 108px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface);
  padding: 8px; position: relative; display: flex; flex-direction: column; gap: 6px; opacity: .82;
}
.bk-queue-item.is-next { border-color: var(--site-accent); opacity: 1; box-shadow: 0 0 0 1px var(--site-accent); }
.bk-queue-num { position: absolute; top: 6px; left: 6px; z-index: 1; background: rgba(255,255,255,.92); border-radius: 99px; padding: 1px 7px; font: 800 10px/1.7 var(--mono, monospace); color: var(--ink); }
.bk-queue-art { width: 100%; aspect-ratio: 1/1; font-size: 11px; border-radius: var(--radius-sm); }
.bk-queue-name { font-size: 11.5px; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.bk-queue-next { font: 800 9px/1.6 var(--mono, monospace); letter-spacing: .1em; color: var(--site-accent); text-transform: uppercase; }
.bk-queue-empty { margin: 0; font-size: 13px; color: var(--muted); }

/* ---------- run log (战况) ---------- */

.bk-log { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 16px; }
.bk-log h3 { margin: 0 0 12px; font: 800 12px var(--mono, monospace); letter-spacing: .12em; color: var(--muted); }
.bk-log ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto; }
.bk-log-row { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: 6px 10px; }
.bk-log-n { flex: 0 0 auto; font: 800 11px var(--mono, monospace); color: var(--site-accent); min-width: 18px; }
.bk-log-art { flex: 0 0 30px; width: 30px; height: 30px; font-size: 7px; border-radius: var(--radius-sm); }
.bk-log-txt { font-size: 13px; line-height: 1.5; color: var(--muted); }
.bk-log-txt b, .bk-log-row .bk-log-txt strong { color: var(--ink); }

/* ---------- result ---------- */

.bk-result { margin-top: 26px; }
.bk-champion { border: 2px solid var(--ink); border-radius: var(--radius-md); background: var(--surface-strong); padding: 30px 24px; text-align: center; }
.bk-champion .bk-champ-art { display: inline-grid; width: 132px; height: 132px; font-size: 20px; border-radius: var(--radius-sm); margin-bottom: 16px; }
.bk-champ-tag { margin: 0; font: 800 11px var(--mono, monospace); letter-spacing: .34em; color: var(--site-accent); }
.bk-champion h3 { margin: 8px 0 6px; font: 800 clamp(30px, 4.6vw, 48px)/1.05 "Arial Narrow", "Noto Sans SC", sans-serif; letter-spacing: -.01em; }
.bk-runner { margin: 0; font-size: 14px; color: var(--muted); }
.bk-path { margin-top: 28px; }
.bk-path h4 { margin: 0 0 10px; font: 800 12px var(--mono, monospace); letter-spacing: .12em; color: var(--site-accent); }
.bk-journey { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.bk-jr { display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: 8px 12px; }
.bk-jr-n { flex: 0 0 auto; font: 800 12px var(--mono, monospace); color: var(--site-accent); min-width: 22px; }
.bk-jr-art { flex: 0 0 40px; width: 40px; height: 40px; font-size: 9px; border-radius: var(--radius-sm); }
.bk-jr-txt { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; }
.bk-jr-txt b { font-size: 14px; font-weight: 700; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bk-jr-txt i { font-style: normal; font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bk-jr-tag { flex: 0 0 auto; font: 800 9px/1.6 var(--mono, monospace); letter-spacing: .08em; color: var(--site-accent); }
.bk-result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0 10px; }
.bk-result-actions button {
  border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--surface);
  font: 800 12px/1.2 inherit; padding: 12px 20px; cursor: pointer; min-height: 44px;
}
.bk-result-actions button:hover:not(:disabled) { background: var(--site-accent); border-color: var(--site-accent); }
.bk-result-actions button:disabled { opacity: .45; cursor: not-allowed; }
.bk-result-actions .bk-ghost { background: transparent; color: var(--ink); }
.bk-result-actions .bk-ghost:hover:not(:disabled) { border-color: var(--site-accent); color: var(--site-accent); background: transparent; }

.bk-share { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 18px; align-items: start; margin: 20px 0 8px; }
.bk-share-card { width: 100%; height: auto; border: 1px solid var(--line); display: block; }
.bk-share-kicker { font: 800 10px/1.6 inherit; letter-spacing: .14em; text-transform: uppercase; color: var(--site-accent); margin: 2px 0 8px; }
.bk-share-body { width: 100%; box-sizing: border-box; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: 12.5px/1.7 inherit; padding: 10px 12px; resize: vertical; margin: 0; }
.bk-share-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.bk-share-actions button {
  border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--surface);
  font: 800 11px/1.2 inherit; padding: 10px 16px; cursor: pointer; min-height: 40px;
}
.bk-share-actions button:hover:not(:disabled) { background: var(--site-accent); border-color: var(--site-accent); }
.bk-share-actions .bk-ghost { background: transparent; color: var(--ink); }
.bk-share-actions .bk-ghost:hover:not(:disabled) { border-color: var(--site-accent); color: var(--site-accent); background: transparent; }
.bk-share-msg { font-size: 12px; color: var(--site-accent); min-height: 1.4em; margin: 8px 0 0; }

.bk-seo { margin-top: 40px; border-top: 1px solid var(--line); padding-top: 26px; max-width: 62ch; }
.bk-seo h2 { font-size: 19px; margin: 24px 0 8px; font-weight: 800; }
.bk-seo p, .bk-seo li { font-size: 13.5px; line-height: 2; color: var(--muted); }
.bk-seo details { margin: 10px 0; }
.bk-seo summary { cursor: pointer; font-size: 13.5px; font-weight: 650; color: var(--ink); }
.bk-seo .bk-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13.5px; }
.bk-seo .bk-links a { color: var(--site-accent); }

@media (max-width: 720px) {
  .bk-share { grid-template-columns: 1fr; }
  .bk-matchup { grid-template-columns: 1fr; gap: 12px; }
  .bk-vs { justify-self: center; }
  .bk-card { flex-direction: row; align-items: center; flex-wrap: wrap; }
  .bk-card-art { aspect-ratio: auto; width: 96px; align-self: stretch; min-height: 96px; font-size: 13px; }
  .bk-card-badge { margin: 12px 4px 0 12px; }
  .bk-card-name { flex: 1 1 100%; padding: 10px 14px 0; }
  .bk-card-sub { padding: 0 14px 14px; }
  .bk-pool-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); max-height: 440px; }
  .bk-pool-custom input[type="text"] { flex-basis: 100%; }
  .bk-queue-item { flex-basis: 96px; }
}
@media (prefers-reduced-motion: no-preference) {
  .bk-card { transition: border-color .15s var(--ease), opacity .15s var(--ease); }
}