/* TASK 2: 社区帖子详情与发帖闭环。所有规则只命中两个社区 View。 */

body:has(:is(#view-forum-post.active, #view-forum-compose.active)),
body:has(:is(#view-forum-post.active, #view-forum-compose.active)) #app { background: #fff; }
body:has(:is(#view-forum-post.active, #view-forum-compose.active)) #app > .bg { display: none; }
body:has(:is(#view-forum-post.active, #view-forum-compose.active)) #main-topbar .plaza-top-publish[hidden] { display: none; }

/* Compose is still a community state: retain the compact common header rather
   than falling back to the older multi-row plaza navigation treatment. */
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar {
  display: block;
  width: 100vw;
  max-width: none;
  min-height: 68px;
  margin: 0 0 0 calc(50% - 50vw);
  padding: 0;
  border: 0;
  border-bottom: 1px solid #e6e8ee;
  border-radius: 0;
  background: #fff;
  box-shadow: none;
  backdrop-filter: none;
}
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .plaza-redesign-topbar-inner {
  display: flex;
  align-items: center;
  width: min(calc(100% - 48px), 1520px);
  min-height: 68px;
  margin: 0 auto;
  gap: 20px;
}
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .plaza-channels-list {
  height: 68px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .plaza-channel {
  min-height: 68px;
  padding-inline: 12px;
  border-radius: 0;
  color: #596376;
  background: transparent;
  box-shadow: none;
  font-weight: 620;
}
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .plaza-channel.active { color: #5158df; }
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .plaza-channel.active::after { display: block; }
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .plaza-channel-icon,
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .plaza-channel-count { display: none; }
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .role-switch-btn,
body:has(#view-forum-compose.active) #main-topbar.plaza-redesign-topbar .account-btn {
  border: 0;
  border-radius: 8px;
  color: #485266;
  background: transparent;
}

/* Post detail: reuse community three-column shell (boards + reading + rail). */
#view-forum-post {
  width: min(100%, 1520px);
  margin: 0 auto;
  padding: 26px clamp(16px, 1.8vw, 28px) 48px;
  color: #172033;
}
#view-forum-post.active { display: block; }
#view-forum-post .plaza-forum-post-layout {
  display: grid;
  grid-template-columns: 196px minmax(0, 1fr) 280px;
  column-gap: 36px;
  align-items: start;
  width: 100%;
}
#view-forum-post .plaza-forum-sidebar,
#view-forum-post .plaza-forum-post-center,
#view-forum-post .plaza-forum-rail {
  min-width: 0;
}
#view-forum-post .plaza-forum-sidebar {
  position: sticky;
  top: 88px;
  margin: 0;
  padding: 4px 0 12px;
  border: 0;
  border-right: 1px solid #e8ebf2;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
#view-forum-post .plaza-forum-sidebar-title {
  margin: 0 0 12px;
  color: #1f2937;
  font-size: 16px;
  font-weight: 740;
  letter-spacing: -0.02em;
}
#view-forum-post .plaza-forum-sidebar .board-list {
  display: grid;
  gap: 3px;
}
#view-forum-post .plaza-forum-sidebar .board-item {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 38px;
  padding: 0 10px 0 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}
#view-forum-post .plaza-forum-sidebar .board-item b {
  margin: 0;
  color: #667085;
  font-size: 14px;
  font-weight: 600;
}
#view-forum-post .plaza-forum-sidebar .board-item:hover { background: #f8f9fc; }
#view-forum-post .plaza-forum-sidebar .board-item.active { background: transparent; }
#view-forum-post .plaza-forum-sidebar .board-item.active::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 3px;
  border-radius: 2px;
  background: #5158dd;
  content: '';
}
#view-forum-post .plaza-forum-sidebar .board-item.active b {
  color: #1f2937;
  font-weight: 700;
}
#view-forum-post .plaza-forum-post-center {
  padding: 0;
  min-width: 0;
}
#view-forum-post .plaza-forum-post-page {
  width: 100%;
  max-width: 840px;
  margin: 0;
}
#view-forum-post .plaza-forum-rail {
  position: sticky;
  top: 88px;
  padding: 0 0 0 22px;
  border-left: 1px solid #e8ebf2;
}
#view-forum-post .plaza-forum-rail-section { padding: 0; }
#view-forum-post .plaza-forum-rail-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0 0 10px;
}
#view-forum-post .plaza-forum-rail-heading h2 {
  margin: 0;
  color: #253048;
  font-size: 15px;
  font-weight: 750;
}
#view-forum-post .plaza-forum-rail-heading span {
  color: #9ca5b5;
  font-size: 11px;
}
#view-forum-post .plaza-forum-rail-promo {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid #eef0f4;
}
#view-forum-post .plaza-forum-promo-card {
  position: relative;
  overflow: hidden;
  padding: 14px 0 10px;
}
#view-forum-post .plaza-forum-promo-visual {
  position: absolute;
  right: 10px;
  top: 14px;
  width: 64px;
  height: 64px;
  opacity: 0.85;
}
#view-forum-post .plaza-forum-promo-status {
  margin: 0 0 6px;
  color: #5158df;
  font-size: 11px;
  font-weight: 720;
}
#view-forum-post .plaza-forum-promo-card h3 {
  margin: 0;
  color: #1a2332;
  font-size: 15px;
  font-weight: 740;
}
#view-forum-post .plaza-forum-promo-card p {
  margin: 8px 0 0;
  color: #556074;
  font-size: 13px;
  line-height: 1.55;
}
#view-forum-post .plaza-forum-promo-card small {
  display: block;
  margin-top: 10px;
  color: #98a1b1;
  font-size: 11px;
}
#view-forum-post .plaza-forum-promo-card .plaza-community-hero-feature-link {
  display: inline-flex;
  margin-top: 12px;
  padding: 0;
  border: 0;
  color: #5a63dc;
  background: transparent;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}
#view-forum-post .plaza-forum-promo-flash .flash-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 10px;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 10px 0;
  border: 0;
  border-top: 1px solid #eef0f4;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font: inherit;
}
#view-forum-post .plaza-forum-promo-flash .flash-item b {
  grid-column: 1;
  color: #1a2332;
  font-size: 13px;
}
#view-forum-post .plaza-forum-promo-flash .flash-item span {
  grid-column: 1;
  color: #8a93a2;
  font-size: 11px;
}
#view-forum-post .plaza-forum-promo-flash .flash-item em {
  grid-column: 2;
  grid-row: 1 / span 2;
  color: #5a63dc;
  font-size: 12px;
  font-style: normal;
  font-weight: 650;
}
#view-forum-post .plaza-forum-hot-list { display: grid; }
#view-forum-post .plaza-forum-hot-item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 7px;
  min-height: 43px;
  padding: 8px 0;
  border: 0;
  border-bottom: 1px solid #eceef4;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font: inherit;
}
#view-forum-post .plaza-forum-hot-item > span {
  color: #828cea;
  font-size: 12px;
  font-weight: 750;
}
#view-forum-post .plaza-forum-hot-item b {
  overflow: hidden;
  color: #59647a;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#view-forum-post .plaza-forum-hot-item small {
  color: #a1a8b6;
  font-size: 10px;
}
#view-forum-post .plaza-forum-hot-item:hover b { color: #525bdd; }
#view-forum-post .plaza-forum-post-back {
  min-height: 32px;
  margin: 0 0 20px;
  padding: 0;
  border: 0;
  color: #5a63dc;
  background: transparent;
  font-size: 13px;
  font-weight: 650;
}
#view-forum-post .plaza-forum-post-reading,
#view-forum-post .plaza-forum-post-replies {
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
#view-forum-post .plaza-forum-post-author {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
}
#view-forum-post #fp-author-avatar-slot { display: inline-flex; }
#view-forum-post .plaza-forum-post-avatar,
#view-forum-post .plaza-forum-post-author .p-avatar { width: 40px; height: 40px; font-size: 15px; }
#view-forum-post .plaza-forum-post-author > div:not(.plaza-forum-post-kind) { min-width: 0; }
#view-forum-post .plaza-forum-post-author b { display: block; color: #20293a; font-size: 15px; font-weight: 650; }
#view-forum-post .plaza-forum-post-author small { display: block; margin-top: 2px; color: #8a93a2; font-size: 12px; }
#view-forum-post .plaza-forum-post-kind { display: flex; gap: 6px; margin-left: auto; color: #6b7280; font-size: 12px; }
#view-forum-post .plaza-forum-post-kind #fp-hot { color: #7767e9; }
#view-forum-post .plaza-forum-post-reading h1 {
  max-width: 32ch;
  margin: 0 0 18px;
  color: #172033;
  font-family: var(--font) !important;
  font-size: clamp(20px, 1.7vw, 25px);
  font-weight: 720;
  line-height: 1.45;
  letter-spacing: 0;
}
#view-forum-post .plaza-forum-post-body {
  max-width: 800px;
  margin: 0;
  color: #202938;
  font-family: "Songti SC", "STSong", "SimSun", serif !important;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.9;
}
#view-forum-post .plaza-forum-post-body p { margin: 0 0 16px; }
#view-forum-post .plaza-forum-post-media { display: flex; margin: 5px 0 18px; }
#view-forum-post .plaza-forum-post-media[hidden] { display: none; }
#view-forum-post .plaza-forum-post-media img {
  display: block;
  width: auto;
  max-width: min(100%, 760px);
  max-height: 560px;
  border-radius: 9px;
  object-fit: contain;
}
#view-forum-post .plaza-forum-post-media img[data-orientation="portrait"] { max-width: min(55%, 360px); }
#view-forum-post .plaza-forum-post-bind {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  width: min(100%, 620px);
  min-height: 52px;
  margin: 4px 0 16px;
  padding: 9px 12px;
  border: 1px solid #e2e5ed;
  border-radius: 9px;
  color: #303a50;
  background: #fafbff;
  box-shadow: none;
  text-align: left;
}
#view-forum-post .plaza-forum-post-bind .post-project-bind-label { color: #6975d7; font-size: 12px; }
#view-forum-post .plaza-forum-post-bind strong { overflow: hidden; color: #263148; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
#view-forum-post .plaza-forum-post-bind .post-project-bind-go { color: #6570db; font-size: 12px; }
#view-forum-post .plaza-forum-post-to-idea {
  display: inline-flex;
  width: auto;
  min-height: 28px;
  margin: 0 0 16px;
  padding: 0;
  border: 0;
  color: #626be0;
  background: transparent;
  font-size: 13px;
  font-weight: 650;
}
#view-forum-post #fp-tags,
#view-forum-post #fp-go-project,
#view-forum-post #fp-to-idea { display: none !important; }
#view-forum-post .plaza-forum-post-actions {
  display: flex;
  align-items: center;
  gap: 8px 22px;
  margin: 26px 0 0;
  padding: 14px 0;
  border-top: 1px solid #e8eaf0;
  border-bottom: 1px solid #e8eaf0;
}
#view-forum-post .plaza-forum-post-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0;
  border: 0;
  color: #4d5869;
  background: transparent;
  font-size: 13px;
  font-weight: 500;
}
#view-forum-post .plaza-forum-post-action svg { width: 18px; height: 18px; }
#view-forum-post .plaza-forum-post-action b { color: #303a4b; font-size: 13px; font-weight: 650; }
#view-forum-post .plaza-forum-post-action:hover,
#view-forum-post .plaza-forum-post-action:hover b { color: #5963dc; }
#view-forum-post .plaza-forum-post-actions small { margin-left: auto; color: #9299a7; font-size: 12px; }
#view-forum-post .plaza-forum-post-replies {
  margin-top: 30px;
  padding-top: 2px;
  border-top: 1px solid #e8eaf0;
}
#view-forum-post .plaza-forum-replies-heading h2 {
  margin: 0 0 16px;
  color: #1f2937;
  font-family: var(--font) !important;
  font-size: 17px;
  font-weight: 700;
}
#view-forum-post .plaza-forum-replies-heading span { color: #8d96a6; font-size: 14px; font-weight: 500; }
#view-forum-post .plaza-forum-reply-compose {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: end;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0 0 20px;
  border-bottom: 1px solid #e8eaf0;
}
#view-forum-post .plaza-forum-reply-avatar { width: 36px; height: 36px; font-size: 12px; }
#view-forum-post .plaza-forum-reply-compose textarea {
  min-height: 48px;
  padding: 12px;
  border: 1px solid #dfe3eb;
  border-radius: 9px;
  color: #273145;
  background: #fff;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.55;
  resize: vertical;
  box-shadow: none;
}
#view-forum-post .plaza-forum-reply-compose textarea:focus { border-color: #737bea; outline: 0; box-shadow: 0 0 0 3px rgba(94, 103, 228, .1); }
#view-forum-post .plaza-forum-reply-compose button {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 9px;
  color: #fff;
  background: #5f68e8;
  font-size: 13px;
  font-weight: 650;
}
#view-forum-post .reply-list { display: block; }
#view-forum-post .reply-item {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 10px;
  padding: 20px 0;
  border: 0;
  border-bottom: 1px solid #e8eaf0;
  border-radius: 0;
  background: transparent;
}
#view-forum-post .reply-item .p-avatar { width: 36px; height: 36px; font-size: 12px; }
#view-forum-post .reply-item header { display: flex; align-items: baseline; gap: 8px; }
#view-forum-post .reply-item header b { color: #2b3547; font-size: 14px; font-weight: 650; }
#view-forum-post .reply-item header small { color: #959dab; font-size: 12px; }
#view-forum-post .reply-item p { margin: 6px 0 0; color: #303a4a; font-family: "Songti SC", "STSong", "SimSun", serif; font-size: 15px; line-height: 1.75; }

/* Compose: task-oriented writing canvas, not stacked form cards. */
#view-forum-compose {
  /* 发帖编辑页使用更宽的写作画布，但仍保留可读性，不直接撑满 1480px。 */
  width: min(calc(100% - var(--plaza-shell-gutter, 48px)), 1240px);
  margin: 0 auto;
  padding: 26px 0 72px;
}
#view-forum-compose.active { display: block; }
#view-forum-compose .plaza-forum-compose-page { width: 100%; }
#view-forum-compose .plaza-forum-compose-head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 16px;
  padding: 0 0 20px;
  border-bottom: 1px solid #e6e9ef;
}
#view-forum-compose .plaza-forum-compose-back { justify-self: start; min-height: 28px; padding: 0; border: 0; color: #5c66db; background: transparent; font-size: 13px; font-weight: 650; }
#view-forum-compose .plaza-forum-compose-head h1 { margin: 0; color: #1c2637; font-family: var(--font) !important; font-size: 21px; font-weight: 720; }
#view-forum-compose .plaza-forum-compose-submit { grid-row: 1 / span 2; grid-column: 2; min-height: 38px; padding: 0 16px; border-radius: 9px; color: #fff; background: #5f68e8; font-size: 13px; font-weight: 700; }
#view-forum-compose .plaza-forum-compose-submit:disabled { opacity: .65; cursor: wait; }
#view-forum-compose .plaza-forum-compose-section { padding: 20px 0 22px; border-bottom: 1px solid #e6e9ef; }
#view-forum-compose .plaza-forum-compose-section h2 { margin: 0 0 18px; color: #263043; font-family: var(--font) !important; font-size: 16px; font-weight: 700; }
#view-forum-compose .plaza-forum-compose-section h2 span { margin-left: 5px; color: #939baa; font-size: 12px; font-weight: 500; }
#view-forum-compose .plaza-forum-compose-section label { display: block; margin: 0 0 16px; color: #364153; font-size: 14px; font-weight: 650; }
#view-forum-compose .plaza-forum-compose-section label:last-child { margin-bottom: 0; }
#view-forum-compose .plaza-forum-compose-section :is(input, textarea, select) {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 10px 12px;
  border: 1px solid #dfe3ea;
  border-radius: 9px;
  color: #293347;
  background: #fff;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
  box-shadow: none;
}
#view-forum-compose .plaza-forum-compose-section textarea { min-height: 140px; resize: vertical; }
#view-forum-compose .plaza-forum-compose-section :is(input, textarea, select):focus { border-color: #737bea; outline: 0; box-shadow: 0 0 0 3px rgba(94, 103, 228, .1); }
#view-forum-compose .plaza-forum-compose-section .field-hint { margin: -7px 0 16px; color: #858e9c; font-size: 12px; font-weight: 500; line-height: 1.55; }
#view-forum-compose .plaza-forum-compose-section .chip-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
#view-forum-compose .plaza-forum-compose-section .filter-chip { min-height: 30px; padding: 0 10px; border: 1px solid #e2e5ed; border-radius: 8px; color: #61708a; background: #fff; font-size: 12px; font-weight: 600; box-shadow: none; }
#view-forum-compose .plaza-forum-compose-section .filter-chip.active { border-color: #bfc5fb; color: #5963dc; background: #f4f5ff; }

@media (max-width: 1180px) {
  #view-forum-post .plaza-forum-post-layout {
    grid-template-columns: 180px minmax(0, 1fr) 250px;
    column-gap: 28px;
  }
  #view-forum-post .plaza-forum-rail { padding-left: 18px; }
}
@media (max-width: 940px) {
  #view-forum-post .plaza-forum-post-layout {
    grid-template-columns: 168px minmax(0, 1fr);
  }
  #view-forum-post .plaza-forum-rail { display: none; }
}
@media (max-width: 720px) {
  #view-forum-post {
    width: calc(100% - 28px);
    padding: 18px 0 48px;
  }
  #view-forum-post .plaza-forum-post-layout { display: block; }
  #view-forum-post .plaza-forum-sidebar {
    position: static;
    margin: 0 0 14px;
    padding: 0 0 14px;
    border: 0;
  }
  #view-forum-post .plaza-forum-sidebar-title { display: none; }
  #view-forum-post .plaza-forum-sidebar .board-list {
    display: flex;
    overflow-x: auto;
    gap: 5px;
  }
  #view-forum-post .plaza-forum-sidebar .board-item {
    flex: 0 0 auto;
    border: 1px solid #e8ebf2;
  }
  #view-forum-post .plaza-forum-sidebar .board-item.active::before { display: none; }
  #view-forum-post .plaza-forum-post-actions { gap: 10px 15px; }
  #view-forum-post .plaza-forum-post-actions small { width: 100%; margin-left: 0; }
  #view-forum-post .plaza-forum-reply-compose { grid-template-columns: 32px minmax(0, 1fr); }
  #view-forum-post .plaza-forum-reply-compose button { grid-column: 2; justify-self: end; }
}
@media (max-width: 620px) {
  #view-forum-compose { width: calc(100% - 28px); padding-top: 18px; }
}