/*
 * TPC Curiosity Stream frontend
 * Version 1.7.0
 * Quiet social-feed presentation with stable-renderer compatibility.
 */

.tpcs-page-intro,
.tpcs-stream,
.tpcs-latest {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.tpcs-page-intro {
  width: 100%;
  max-width: none;
  margin: 0 0 1.1rem;
  padding: 0 0 0.9rem;
  border: 0;
  border-bottom: 1px solid rgba(68, 75, 82, 0.12);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.tpcs-page-intro .tpcs-kicker {
  margin: 0 0 0.28rem;
  color: #343a40;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.38;
}

.tpcs-page-intro p:not(.tpcs-kicker) {
  width: 100%;
  max-width: none;
  margin: 0;
  color: #596168;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.55;
}

.tpcs-stream,
.tpcs-latest {
  --tpcs-card: #fff;
  --tpcs-border: rgba(58, 65, 72, 0.13);
  --tpcs-soft: #6d747b;
  color: var(--tpcs-ink, #263746);
}

.tpcs-stream-list {
  display: grid;
  gap: 0.92rem;
  width: 100%;
  max-width: 790px;
  margin: 0 auto;
}

.tpcs-card {
  position: relative;
  overflow: visible;
  padding: 1rem 1.06rem 0.92rem;
  border: 1px solid var(--tpcs-border);
  border-top: 2px solid var(--tpcs-source-color, var(--tpcs-brand, #eb9a63));
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(20, 24, 28, 0.035), 0 8px 24px rgba(20, 24, 28, 0.035);
}

.tpcs-card.is-compact {
  padding: 0.76rem 0.82rem 0.72rem;
}

.tpcs-card-head {
  display: flex;
  align-items: center;
  gap: 0.58rem;
  margin: 0 0 0.56rem;
}

.tpcs-brand-mark {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  overflow: hidden;
  border: 1px solid rgba(67, 74, 80, 0.12);
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(22, 27, 31, 0.06);
  color: #76513b;
  font-size: 0.76rem;
  line-height: 1;
}

.tpcs-brand-mark > .tpcs-brand-mark-fallback {
  position: relative;
  z-index: 1;
}

.tpcs-brand-mark > img {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  padding: 1px;
  border-radius: inherit;
  background: #fff;
  object-fit: contain;
}

.tpcs-brand-mark.tpcs-brand-mark-fallback {
  width: 32px;
  height: 32px;
}

.tpcs-card-identity {
  min-width: 0;
}

.tpcs-brand-name,
.tpcs-card-head > div > strong {
  display: block;
  color: #28333c;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.28;
}

.tpcs-meta {
  margin-top: 0.08rem;
  color: var(--tpcs-soft);
  font-size: 0.7rem;
  font-weight: 400;
  line-height: 1.32;
}

.tpcs-kind {
  color: var(--tpcs-source-ink, #4f5e68);
  font-weight: 600;
}

.tpcs-note-text {
  margin: 0;
  color: #20262b;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.002em;
  line-height: 1.56;
  white-space: normal;
  overflow-wrap: anywhere;
}

.tpcs-card-media {
  margin: 0.68rem 0 0;
}

.tpcs-card-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 620px;
  object-fit: contain;
  border: 1px solid rgba(58, 65, 72, 0.08);
  border-radius: 10px;
  background: #fafbfb;
}

/* Kept only for the recovery renderer. The launch renderer no longer emits a source preview. */
.tpcs-source-preview {
  display: none;
}

.tpcs-topic-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.26rem;
  margin-top: 0.52rem;
}

.tpcs-topic-pills a {
  display: inline-flex;
  align-items: center;
  min-height: 21px;
  padding: 0.18rem 0.42rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: #f4f6f7;
  color: #647078;
  font-size: 0.65rem;
  font-weight: 500;
  line-height: 1.15;
  text-decoration: none;
}

.tpcs-topic-pills a:hover,
.tpcs-topic-pills a:focus-visible {
  border-color: var(--tpcs-source-color);
  background: #fff;
  color: #34434d;
  outline: 0;
}

.tpcs-card-actions {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.32rem;
  margin-top: 0.58rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(58, 65, 72, 0.085);
}

.tpcs-action-link,
.tpcs-card-actions > button {
  box-sizing: border-box;
  min-height: 29px;
  padding: 0.32rem 0.58rem;
  border: 1px solid rgba(58, 65, 72, 0.13);
  border-radius: 999px;
  background: #fff;
  color: #56626a;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.15;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 140ms ease, background-color 140ms ease, transform 140ms ease;
}

.tpcs-action-link:hover,
.tpcs-action-link:focus-visible,
.tpcs-card-actions > button:hover,
.tpcs-card-actions > button:focus-visible {
  border-color: var(--tpcs-source-color);
  background: #fafcfc;
  transform: translateY(-1px);
  outline: 0;
}

.tpcs-read-full {
  border-color: var(--tpcs-source-color);
  background: var(--tpcs-source-soft, #f7f8f8);
  color: var(--tpcs-source-ink, #344752);
  font-weight: 600;
}

.tpcs-subscribe {
  background: #fafafa;
}

.tpcs-share-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.24rem;
  border-color: rgba(56, 105, 165, 0.19) !important;
  background: #f6f9fc !important;
  color: #466989 !important;
  box-shadow: none;
}

.tpcs-share-toggle::after {
  content: none;
}

.tpcs-share-emoji {
  font-size: 0.76rem;
  line-height: 1;
}

.tpcs-copy-post {
  color: #687178 !important;
}

.tpcs-share-menu {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.26rem;
  flex-basis: 100%;
  margin-top: 0.12rem;
  padding: 0.4rem 0.44rem;
  border: 1px solid rgba(58, 65, 72, 0.1);
  border-radius: 12px;
  background: rgba(252, 252, 251, 0.98);
  box-shadow: 0 3px 10px rgba(20, 24, 28, 0.045);
}

.tpcs-share-menu[hidden] {
  display: none;
}

.tpcs-share-menu button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 27px;
  height: 27px;
  min-width: 27px;
  min-height: 27px;
  padding: 0;
  border: 1px solid rgba(58, 65, 72, 0.07);
  border-radius: 999px;
  background: #f3f4f4;
  color: #45515a;
  font-family: inherit;
  font-size: 0.65rem;
  font-weight: 650;
  line-height: 1;
  cursor: pointer;
}

.tpcs-share-menu button:hover,
.tpcs-share-menu button:focus-visible {
  border-color: var(--tpcs-source-color);
  background: #fff;
  transform: translateY(-1px);
  outline: 0;
}

.tpcs-share-menu button[data-network="facebook"] { background: #eef4ff; color: #1877f2; }
.tpcs-share-menu button[data-network="x"] { background: #f1f1f1; color: #111; }
.tpcs-share-menu button[data-network="bluesky"] { background: #edf6ff; color: #117bd4; }
.tpcs-share-menu button[data-network="threads"] { background: #f2f2f2; color: #111; }
.tpcs-share-menu button[data-network="mastodon"] { background: #f1efff; color: #5b5bd6; }
.tpcs-share-menu button[data-network="pinterest"] { background: #ffeff2; color: #d6001c; }
.tpcs-share-menu button[data-network="linkedin"] { background: #edf5ff; color: #0a66c2; }
.tpcs-share-menu button[data-network="email"] { background: #f1f1f1; color: #62676d; }

.tpcs-share-status {
  color: #437055;
  font-size: 0.66rem;
}

.tpcs-short-link {
  overflow-wrap: anywhere;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.14em;
}

.tpcs-quoted-note {
  margin: 0.62rem 0 0;
  padding: 0.6rem 0.68rem;
  border: 0;
  border-left: 2px solid var(--tpcs-source-color);
  border-radius: 0 8px 8px 0;
  background: #f7f8f8;
  color: #4d5961;
  font-size: 0.8rem;
  line-height: 1.46;
}

.tpcs-quoted-note span {
  display: block;
  margin-bottom: 0.22rem;
  color: #7a8288;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.tpcs-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  width: 100%;
  max-width: 790px;
  margin: 0 auto 0.68rem;
}

.tpcs-filters a {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  min-height: 25px;
  padding: 0.22rem 0.48rem;
  border: 1px solid rgba(58, 65, 72, 0.11);
  border-radius: 999px;
  background: #fff;
  color: #657078;
  font-size: 0.66rem;
  font-weight: 500;
  line-height: 1.15;
  text-decoration: none;
}

.tpcs-filters a span {
  color: #8a9298;
  font-size: 0.59rem;
}

.tpcs-filters a.current {
  border-color: var(--tpcs-filter-color, var(--tpcs-brand, #eb9a63));
  background: var(--tpcs-filter-soft, #fff6ef);
  color: var(--tpcs-filter-ink, #704d37);
  font-weight: 600;
}

.tpcs-pagination {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.48rem;
  max-width: 790px;
  margin: 0.92rem auto 0;
}

.tpcs-page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 31px;
  padding: 0.36rem 0.68rem;
  border: 1px solid rgba(58, 65, 72, 0.12);
  border-radius: 999px;
  background: #fff;
  color: #59656d;
  font-size: 0.71rem;
  font-weight: 550;
  text-decoration: none;
}

.tpcs-page-link:hover,
.tpcs-page-link:focus-visible {
  border-color: var(--tpcs-brand, #eb9a63);
  outline: 0;
}

.tpcs-load-more {
  border-color: rgba(235, 154, 99, 0.3);
  background: rgba(235, 154, 99, 0.055);
  color: #785137;
}

.tpcs-latest {
  max-width: 790px;
  margin: 1.25rem auto;
}

.tpcs-latest-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.48rem;
}

.tpcs-latest-heading a {
  font-size: 0.74rem;
}

.tpcs-empty {
  max-width: 790px;
  margin: 0.9rem auto;
  padding: 0.84rem;
  border: 1px dashed rgba(58, 65, 72, 0.18);
  border-radius: 10px;
  color: #69737a;
  font-size: 0.82rem;
  text-align: center;
}

.tpcs-card-stable .tpcs-note-text {
  line-height: 1.5;
}

@media (max-width: 600px) {
  .tpcs-page-intro {
    margin-bottom: 0.92rem;
    padding-bottom: 0.78rem;
  }

  .tpcs-card {
    padding: 0.84rem 0.82rem 0.78rem;
    border-radius: 11px;
  }

  .tpcs-brand-mark {
    width: 34px;
    height: 34px;
  }

  .tpcs-note-text {
    font-size: 0.9375rem;
    line-height: 1.55;
  }

  .tpcs-latest-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tpcs-card *,
  .tpcs-action-link,
  .tpcs-card-actions button {
    transition: none !important;
  }
}

/* Social-feed structure: compact avatar column with content in one reading flow. */
.tpcs-card-calm {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  column-gap: 0.62rem;
  align-items: start;
}

.tpcs-card-calm .tpcs-card-avatar {
  grid-column: 1;
  min-width: 0;
}

.tpcs-card-calm .tpcs-card-main {
  grid-column: 2;
  min-width: 0;
}

.tpcs-card-calm .tpcs-card-head {
  margin-bottom: 0.4rem;
}

@media (max-width: 600px) {
  .tpcs-card-calm {
    grid-template-columns: 34px minmax(0, 1fr);
    column-gap: 0.52rem;
  }
}


/* v1.4.2 linked brand identity and Stay in touch destination. */
a.tpcs-brand-name {
  color: #28333c;
  text-decoration: none;
}

a.tpcs-brand-name:hover,
a.tpcs-brand-name:focus-visible {
  color: var(--tpcs-source-ink, #4f5e68);
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
  outline: 0;
}

#stay-in-touch {
  scroll-margin-top: clamp(88px, 12vh, 132px);
}

.tpcs-stay-in-touch-highlight {
  border-radius: 12px;
  box-shadow: 0 0 0 3px rgba(235, 154, 99, 0.2), 0 8px 22px rgba(38, 55, 70, 0.08);
  transition: box-shadow 420ms ease, background-color 420ms ease;
  background-color: rgba(235, 154, 99, 0.055);
}

@media (prefers-reduced-motion: reduce) {
  .tpcs-stay-in-touch-highlight {
    transition: none;
  }
}

/* v1.7.0 source bridge and responsive discovery rail */
.tpcs-stream-layout {
  display: grid;
  grid-template-columns: minmax(150px, 185px) minmax(0, 790px);
  justify-content: center;
  align-items: start;
  gap: clamp(1rem, 2.4vw, 2rem);
  width: 100%;
}

.tpcs-stream-content,
.tpcs-stream-list { min-width: 0; }

.tpcs-discovery-rail {
  position: sticky;
  top: 8.2rem;
  align-self: start;
  color: #69737a;
  font-size: 0.72rem;
}

.tpcs-rail-disclosure,
.tpcs-rail-disclosure[open] {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.tpcs-rail-disclosure > summary {
  margin: 0 0 0.58rem;
  color: #46535c;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  list-style: none;
  cursor: default;
}
.tpcs-rail-disclosure > summary::-webkit-details-marker { display: none; }

.tpcs-rail-inner { display: grid; gap: 0.72rem; }
.tpcs-rail-all,
.tpcs-rail-group a {
  display: grid;
  grid-template-columns: auto minmax(0,1fr) auto;
  align-items: center;
  gap: 0.38rem;
  min-height: 26px;
  padding: 0.18rem 0.2rem;
  border-radius: 6px;
  color: #667078;
  text-decoration: none;
}
.tpcs-rail-all { grid-template-columns: minmax(0,1fr); font-weight: 600; }
.tpcs-rail-group { display: grid; gap: 0.08rem; }
.tpcs-rail-group h3 {
  margin: 0 0 0.18rem;
  color: #8a9297;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tpcs-rail-group i {
  width: 5px;
  height: 16px;
  border-radius: 999px;
  background: var(--tpcs-filter-color, #d7dadd);
  opacity: 0.72;
}
.tpcs-rail-group small { color: #9aa1a6; font-size: 0.62rem; }
.tpcs-rail-all:hover,
.tpcs-rail-all:focus-visible,
.tpcs-rail-group a:hover,
.tpcs-rail-group a:focus-visible,
.tpcs-rail-all.current,
.tpcs-rail-group a.current {
  background: rgba(77, 89, 97, 0.055);
  color: #34434d;
  outline: 0;
}
.tpcs-rail-group a.current { font-weight: 650; }

.tpcs-source-bridge {
  display: grid;
  gap: 0.12rem;
  margin-top: 0.64rem;
  padding: 0.6rem 0.68rem;
  border-left: 2px solid var(--tpcs-source-color);
  border-radius: 0 8px 8px 0;
  background: linear-gradient(90deg, var(--tpcs-source-soft, #f7f8f8), rgba(255,255,255,0.4));
}
.tpcs-source-bridge > span {
  color: #788188;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.025em;
}
.tpcs-source-bridge > a {
  color: var(--tpcs-source-ink, #344752);
  font-size: 0.76rem;
  font-weight: 650;
  line-height: 1.35;
  text-decoration: none;
}
.tpcs-source-bridge > a:hover,
.tpcs-source-bridge > a:focus-visible {
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.14em;
  outline: 0;
}
.tpcs-content-type { color: #7a8389; }

@media (max-width: 860px) {
  .tpcs-stream-layout { display: block; }
  .tpcs-discovery-rail { position: static; margin: 0 auto 0.9rem; max-width: 790px; }
  .tpcs-rail-disclosure {
    border: 1px solid rgba(58,65,72,0.1);
    border-radius: 10px;
    background: #fff;
  }
  .tpcs-rail-disclosure > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0;
    padding: 0.62rem 0.72rem;
    cursor: pointer;
  }
  .tpcs-rail-disclosure > summary::after { content: "⌄"; color: #8b9297; }
  .tpcs-rail-disclosure[open] > summary::after { content: "⌃"; }
  .tpcs-rail-inner { padding: 0 0.7rem 0.72rem; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tpcs-rail-all { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .tpcs-rail-inner { grid-template-columns: 1fr; }
}