/* TASK 11C：活动频道 × 聚合首页 × 详情
 * 仅作用于 #view-activities / #view-activity-detail / .plaza-activity-*
 */

:root {
  --plaza-activity-radius: 14px;
}

body:has(:is(#view-activities.active, #view-activity-detail.active)),
body:has(:is(#view-activities.active, #view-activity-detail.active)) #app {
  background: #fff !important;
}

body:has(:is(#view-activities.active, #view-activity-detail.active)) #app {
  gap: 0 !important;
  padding: 0 0 64px !important;
}

body:has(:is(#view-activities.active, #view-activity-detail.active)) #app > .bg {
  display: none !important;
}

/* 顶栏几何由 plaza-task12a.css 统一锁定；此处不再覆盖 gap / display:none CTA */

#view-activities.plaza-activities,
#view-activity-detail.plaza-activity-detail {
  width: 100%;
  color: var(--plaza-ink, #1a2030);
  font-family: var(--plaza-font, Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif);
}

#view-activities .plaza-activities-shell,
#view-activity-detail .plaza-activity-detail-shell {
  width: min(calc(100% - var(--plaza-shell-gutter, 48px)), var(--plaza-shell-max, 1480px));
  margin-inline: auto;
  padding: 12px 0 48px;
}

/* Hero */
#view-activities .plaza-activity-hero {
  position: relative;
  margin: 8px 0 28px;
}

#view-activities .plaza-activity-hero-stage {
  position: relative;
  min-height: 420px;
  border: 1px solid var(--plaza-line-strong, #dce1e9);
  border-radius: 18px;
  overflow: hidden;
  background: #f7f8fc;
}

#view-activities .plaza-activity-hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  opacity: 0;
  pointer-events: none;
  transition: opacity 320ms ease;
}

#view-activities .plaza-activity-hero-slide.is-on {
  opacity: 1;
  pointer-events: auto;
}

#view-activities .plaza-activity-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px 28px 34px 36px;
  z-index: 1;
}

#view-activities .plaza-activity-hero-time {
  margin: 0 0 10px;
  color: #5b64d8;
  font-size: 13px;
  font-weight: 680;
}

#view-activities .plaza-activity-hero-status {
  display: inline-flex;
  align-self: flex-start;
  margin: 0 0 14px;
  padding: 4px 8px;
  border-radius: 999px;
  color: #565fe1;
  background: #eef0ff;
  font-size: 12px;
  font-weight: 720;
}

#view-activities .plaza-activity-hero-copy h2 {
  margin: 0;
  font-size: clamp(28px, 2.8vw, 40px);
  font-weight: 760;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

#view-activities .plaza-activity-hero-copy p {
  max-width: 28em;
  margin: 14px 0 0;
  color: #556074;
  font-size: 15px;
  line-height: 1.7;
}

#view-activities .plaza-activity-hero-cta {
  align-self: flex-start;
  margin-top: 22px;
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 10px;
  color: #fff;
  background: #565fe1;
  font: inherit;
  font-size: 14px;
  font-weight: 680;
  cursor: pointer;
}

#view-activities .plaza-activity-hero-art {
  position: relative;
  margin: 18px 18px 18px 0;
  border-radius: 16px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.08)),
    radial-gradient(circle at 20% 20%, rgba(120, 130, 255, 0.22), transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(240, 170, 210, 0.2), transparent 50%),
    linear-gradient(135deg, #eef1ff, #f8f4fb);
}

#view-activities .plaza-activity-hero-art::before {
  position: absolute;
  top: 18%;
  right: 14%;
  width: 46%;
  height: 54%;
  border: 1px solid rgba(86, 95, 225, 0.22);
  border-radius: 22px;
  transform: rotate(14deg);
  content: '';
}

#view-activities .plaza-activity-hero-art[data-tone="violet"] {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.5), transparent),
    linear-gradient(135deg, #f1ecff, #f8f5ff);
}
#view-activities .plaza-activity-hero-art[data-tone="cyan"] {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.5), transparent),
    linear-gradient(135deg, #eaf8ff, #f4fbff);
}
#view-activities .plaza-activity-hero-art[data-tone="rose"] {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.5), transparent),
    linear-gradient(135deg, #fff0f5, #fff8fb);
}

#view-activities .plaza-activity-hero-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 12px;
}

#view-activities .plaza-activity-hero-nav {
  width: 34px;
  height: 34px;
  border: 1px solid var(--plaza-line-strong, #dce1e9);
  border-radius: 50%;
  color: #4f586c;
  background: #fff;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

#view-activities .plaza-activity-hero-dots {
  display: flex;
  gap: 8px;
}

#view-activities .plaza-activity-hero-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #d5dae6;
  cursor: pointer;
}

#view-activities .plaza-activity-hero-dot.is-on {
  background: #565fe1;
}

/* Discover */
#view-activities .plaza-activity-discover {
  padding: 8px 0 6px;
  border-bottom: 1px solid var(--plaza-line, #e2e6ee);
}

#view-activities .plaza-activity-discover-head h1 {
  margin: 0;
  font-size: clamp(26px, 2.2vw, 32px);
  font-weight: 760;
}

#view-activities .plaza-activity-discover-head p {
  margin: 8px 0 0;
  color: var(--plaza-muted, #6b7385);
  font-size: 14px;
}

#view-activities .plaza-activity-search-row {
  margin: 18px 0 14px;
}

#view-activities #activity-search {
  width: min(100%, 520px);
  height: 42px;
  padding: 0 14px;
  border: 1px solid var(--plaza-line-strong, #dce1e9);
  border-radius: 10px;
  background: #fff;
  font: inherit;
  font-size: 14px;
}

#view-activities .plaza-activity-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
}

#view-activities .plaza-activity-cat {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: #667085;
  background: #f4f6fa;
  font: inherit;
  font-size: 13px;
  font-weight: 620;
  cursor: pointer;
}

#view-activities .plaza-activity-cat.is-on {
  color: #565fe1;
  border-color: #d9ddff;
  background: #eef0ff;
}

/* Sections / cards */
#view-activities .plaza-activity-section {
  padding: 28px 0 8px;
}

#view-activities .plaza-activity-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 16px;
}

#view-activities .plaza-activity-section-head h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 740;
}

#view-activities .plaza-activity-section-head p {
  margin: 0;
  color: var(--plaza-muted, #6b7385);
  font-size: 13px;
}

#view-activities .plaza-activity-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

#view-activities .plaza-activity-card-grid--all {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

#view-activities .plaza-activity-card {
  display: grid;
  grid-template-rows: 140px auto;
  border: 1px solid var(--plaza-line, #e2e6ee);
  border-radius: var(--plaza-activity-radius);
  background: #fff;
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease;
}

#view-activities .plaza-activity-card:hover {
  border-color: #cfd5e4;
  background: #fbfcfe;
}

#view-activities .plaza-activity-card-cover {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.4), transparent),
    linear-gradient(135deg, #eef1ff, #f7f4fb);
}

#view-activities .plaza-activity-card-cover[data-tone="violet"] {
  background: linear-gradient(135deg, #f1ecff, #faf7ff);
}
#view-activities .plaza-activity-card-cover[data-tone="cyan"] {
  background: linear-gradient(135deg, #eaf8ff, #f5fcff);
}
#view-activities .plaza-activity-card-cover[data-tone="rose"] {
  background: linear-gradient(135deg, #fff0f5, #fff9fb);
}
#view-activities .plaza-activity-card-cover[data-tone="mint"] {
  background: linear-gradient(135deg, #eafaf3, #f5fffa);
}

#view-activities .plaza-activity-card-body {
  display: grid;
  gap: 8px;
  padding: 14px 14px 16px;
}

#view-activities .plaza-activity-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

#view-activities .plaza-activity-card-tags span {
  color: #667085;
  font-size: 11px;
  font-weight: 650;
}

#view-activities .plaza-activity-card-tags .is-status {
  color: #565fe1;
}

#view-activities .plaza-activity-card-body h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 740;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

#view-activities .plaza-activity-card-body p {
  margin: 0;
  color: #5a6478;
  font-size: 13px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

#view-activities .plaza-activity-card-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 4px;
  color: #8a92a3;
  font-size: 12px;
}

#view-activities .plaza-activity-card-foot em {
  color: #5a63c8;
  font-style: normal;
  font-weight: 650;
}

/* Collab rows */
#view-activities .plaza-activity-collab-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--plaza-line-strong, #dce1e9);
}

#view-activities .plaza-activity-collab-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  width: 100%;
  padding: 16px 0;
  border: 0;
  border-bottom: 1px solid var(--plaza-line, #e2e6ee);
  background: transparent;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

#view-activities .plaza-activity-collab-item:hover b {
  color: #565fe1;
}

#view-activities .plaza-activity-collab-item .kind {
  color: #565fe1;
  font-size: 12px;
  font-weight: 720;
}

#view-activities .plaza-activity-collab-item b {
  display: block;
  color: #1f2738;
  font-size: 15px;
  font-weight: 720;
}

#view-activities .plaza-activity-collab-item span {
  display: block;
  margin-top: 4px;
  color: #667085;
  font-size: 13px;
  line-height: 1.5;
}

#view-activities .plaza-activity-collab-item em {
  color: #5a63c8;
  font-style: normal;
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}

/* Upcoming */
#view-activities .plaza-activity-upcoming-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--plaza-line-strong, #dce1e9);
}

#view-activities .plaza-activity-upcoming-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  width: 100%;
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid var(--plaza-line, #e2e6ee);
  background: transparent;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

#view-activities .plaza-activity-upcoming-item .date {
  color: #565fe1;
  font-size: 13px;
  font-weight: 740;
}

#view-activities .plaza-activity-upcoming-item b {
  display: block;
  font-size: 14px;
  font-weight: 700;
}

#view-activities .plaza-activity-upcoming-item span {
  color: #8a92a3;
  font-size: 12px;
}

#view-activities .plaza-activity-empty {
  margin: 18px 0 0;
  color: #8a92a3;
  font-size: 13px;
}

/* Detail */
#view-activity-detail .plaza-activity-detail-back {
  margin: 8px 0 18px;
}

#view-activity-detail .plaza-activity-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 10px;
  color: #667085;
  font-size: 13px;
  font-weight: 650;
}

#view-activity-detail .plaza-activity-detail-meta #ad-status {
  color: #565fe1;
}

#view-activity-detail #ad-title {
  margin: 0;
  font-size: clamp(28px, 2.6vw, 36px);
  font-weight: 760;
  line-height: 1.2;
}

#view-activity-detail .plaza-activity-detail-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 14px 0 22px;
  color: #667085;
  font-size: 14px;
}

#view-activity-detail .plaza-activity-detail-cover {
  min-height: 220px;
  margin-bottom: 28px;
  border: 1px solid var(--plaza-line, #e2e6ee);
  border-radius: 16px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.45), transparent),
    linear-gradient(135deg, #eef1ff, #f8f4fb);
}

#view-activity-detail .plaza-activity-detail-block {
  padding: 0 0 22px;
  border-bottom: 1px solid var(--plaza-line, #e2e6ee);
  margin-bottom: 22px;
}

#view-activity-detail .plaza-activity-detail-block h2 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 740;
}

#view-activity-detail .plaza-activity-detail-block p,
#view-activity-detail .plaza-activity-detail-block li {
  color: #4f586a;
  font-size: 14px;
  line-height: 1.75;
}

#view-activity-detail .plaza-activity-detail-block ul {
  margin: 0;
  padding-left: 1.2em;
}

#view-activity-detail .plaza-activity-detail-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

#view-activity-detail .plaza-activity-detail-cta,
.plaza-activity-modal-card .plaza-activity-detail-cta {
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 10px;
  color: #fff;
  background: #565fe1;
  font: inherit;
  font-size: 14px;
  font-weight: 680;
  cursor: pointer;
}

#view-activity-detail .plaza-activity-detail-secondary {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--plaza-line-strong, #dce1e9);
  border-radius: 10px;
  color: #3f4860;
  background: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}

.plaza-activity-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: rgba(20, 26, 40, 0.28);
}

.plaza-activity-modal[hidden] {
  display: none !important;
}

.plaza-activity-modal-card {
  width: min(420px, calc(100% - 32px));
  padding: 22px 20px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(30, 40, 70, 0.16);
}

.plaza-activity-modal-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.plaza-activity-modal-card p {
  margin: 0 0 18px;
  color: #556074;
  font-size: 14px;
  line-height: 1.65;
}

@media (max-width: 1650px) {
  #view-activities .plaza-activity-hero-stage {
    min-height: 400px;
  }

  #view-activities .plaza-activity-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1366px) {
  #view-activities .plaza-activity-hero-stage {
    min-height: 360px;
  }

  #view-activities .plaza-activity-hero-slide {
    grid-template-columns: 1fr;
  }

  #view-activities .plaza-activity-hero-art {
    min-height: 160px;
    margin: 0 18px 18px;
  }

  #view-activities .plaza-activity-card-grid,
  #view-activities .plaza-activity-card-grid--all {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body:has(:is(#view-activities.active, #view-activity-detail.active)) #main-topbar.plaza-redesign-topbar .account-copy {
    display: none;
  }
}

@media (max-width: 720px) {
  #view-activities .plaza-activity-card-grid,
  #view-activities .plaza-activity-card-grid--all {
    grid-template-columns: 1fr;
  }

  #view-activities .plaza-activity-collab-item,
  #view-activities .plaza-activity-upcoming-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}