:root {
  --paper: #F2E8E0;
  --blue: #2F4BD0;
  --mute: #6E655E;
  --ink: #23201D;
  --white: #FFFFFF;
  --warn: #E2552D;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Songti SC", "Noto Serif SC", "STSong", "Source Han Serif SC", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
}
a { color: var(--blue); text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 80px; }
header.top {
  padding: 28px 0;
  border-bottom: 1px solid rgba(110,101,94,0.35);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.logo { font-size: 18px; font-weight: 500; letter-spacing: 0.12em; color: var(--blue); }
nav { display: flex; gap: 12px; font-size: 14px; letter-spacing: 0.08em; align-items: center; }
nav a {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 42px; padding: 0 18px; border-radius: 16px;
  background: var(--paper); color: var(--mute);
  box-shadow: -6px -6px 14px #FFFFFF, 6px 6px 14px #D6C8BD;
}
nav a.current {
  transform: translateY(2px);
  box-shadow: inset 4px 4px 10px #D6C8BD, inset -4px -4px 10px #FFFFFF;
  color: var(--blue); pointer-events: none;
}
.page-head { padding: 48px 0 28px; }
.page-head h1 { font-size: 28px; font-weight: 500; color: var(--blue); letter-spacing: 0.06em; }
.page-head p { margin-top: 8px; color: var(--mute); font-size: 15px; }
.crumb { font-size: 13px; color: var(--mute); margin-bottom: 12px; }
.crumb a { color: var(--mute); }

.tl-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 80px;
}
.tl-hub-card {
  position: relative; display: block; aspect-ratio: 3/4;
  border-radius: 12px; overflow: hidden;
  box-shadow: -6px -6px 14px #FFFFFF, 6px 6px 14px #D6C8BD;
}
.tl-hub-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tl-hub-grad {
  position: absolute; left: 0; right: 0; bottom: 0; height: 42%;
  background: linear-gradient(transparent, rgba(35,32,29,0.72));
}
.tl-hub-name {
  position: absolute; left: 16px; right: 16px; bottom: 16px;
  color: #F2E8E0; font-size: 20px; letter-spacing: 0.08em; font-weight: 500;
}

.tl-sess-list { display: flex; flex-direction: column; gap: 12px; padding-bottom: 64px; }
.tl-sess-card {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 16px 18px; border-radius: 14px; background: var(--paper);
  box-shadow: -6px -6px 14px #FFFFFF, 6px 6px 14px #D6C8BD;
  color: inherit;
}
.tl-dot {
  width: 8px; height: 8px; border-radius: 50%; margin-top: 8px; flex-shrink: 0;
}
.tl-dot.on { background: var(--blue); box-shadow: 0 0 0 2px rgba(47,75,208,0.25); }
.tl-dot.off { background: var(--mute); }
.tl-sess-body { flex: 1; min-width: 0; }
.tl-sess-title { font-size: 16px; color: var(--ink); }
.tl-sess-meta { font-size: 13px; color: var(--mute); margin-top: 4px; }
.tl-pill {
  font-size: 12px; letter-spacing: 0.06em; padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--mute); color: var(--mute); white-space: nowrap; align-self: center;
}
.tl-pill.on { border-color: var(--blue); color: var(--blue); }
.tl-pill.reserve { border-color: var(--blue); color: var(--blue); opacity: 0.75; }

.tl-detail { padding-bottom: 80px; }
.tl-hero { border-radius: 14px; overflow: hidden; aspect-ratio: 16/9; background: #d6c8bd;
  box-shadow: -6px -6px 14px #FFFFFF, 6px 6px 14px #D6C8BD; }
.tl-hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tl-meta { margin-top: 28px; }
.tl-meta h1 { font-size: 26px; color: var(--blue); font-weight: 500; }
.tl-sub { margin-top: 8px; color: var(--mute); font-size: 15px; }
.tl-note { margin-top: 10px; color: var(--mute); font-size: 14px; }
.tl-locked { margin-top: 10px; color: var(--blue); font-size: 14px; }
.tl-cta { margin-top: 28px; }
.tl-join { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.tl-join input {
  min-height: 44px; padding: 0 14px; border: none; border-radius: 12px;
  background: var(--paper); color: var(--ink); font: inherit;
  box-shadow: inset 4px 4px 10px #D6C8BD, inset -4px -4px 10px #FFFFFF;
}
.tl-btn-primary {
  min-height: 44px; padding: 0 22px; border: none; border-radius: 12px;
  background: var(--blue); color: var(--paper); font: inherit; letter-spacing: 0.06em;
  cursor: pointer;
}
.tl-btn-text {
  min-height: 44px; padding: 0 8px; border: none; background: transparent;
  color: var(--blue); font: inherit; cursor: pointer; letter-spacing: 0.04em;
}
.tl-btn-disabled {
  min-height: 44px; padding: 0 22px; border: none; border-radius: 12px;
  background: rgba(110,101,94,0.25); color: var(--mute); font: inherit;
}
.tl-gap { margin-top: 12px; display: inline-flex; }
.tl-hint { margin-top: 8px; font-size: 13px; color: var(--mute); }
.tl-people { margin-top: 36px; }
.tl-people h2 { font-size: 16px; color: var(--ink); margin-bottom: 10px; font-weight: 500; }
.tl-people ul { list-style: none; color: var(--mute); font-size: 15px; }
.tl-people li + li { margin-top: 4px; }
.tl-people .mute { color: var(--mute); opacity: 0.7; }
.tl-back { margin-top: 28px; display: inline-block; color: var(--mute); font-size: 14px; }
.tl-empty { color: var(--mute); padding: 24px 0 64px; }

footer { background: var(--blue); color: var(--white); padding: 36px 0; margin-top: 24px; }
footer .name { font-size: 14px; letter-spacing: 0.06em; }
footer .hint { margin-top: 8px; font-size: 13px; color: rgba(242,232,224,0.72); }
footer a { color: rgba(242,232,224,0.72); }

@media (max-width: 800px) {
  .wrap { padding: 0 24px; }
  .tl-hub-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .page-head h1 { font-size: 24px; }
}
@media (max-width: 480px) {
  .tl-hub-grid { grid-template-columns: 1fr 1fr; }
}

.site-icp-bar {
  background: var(--paper);
  padding: 14px 0 18px;
  text-align: center;
}
.site-icp-bar .site-icp {
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #6E655E;
}
.site-icp-bar .site-icp a {
  color: #6E655E;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.site-icp-bar .site-icp a:hover { opacity: 0.72; color: #6E655E; }

.tl-btn-invite {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 18px; border: none; border-radius: 12px;
  background: #F2E8E0; color: #2F4BD0; font-size: 15px; font-weight: 500;
  cursor: pointer;
  box-shadow: -6px -6px 14px #FFFFFF, 6px 6px 14px #D6C8BD;
}
.tl-btn-invite:active {
  box-shadow: inset 4px 4px 10px #D6C8BD, inset -4px -4px 10px #FFFFFF;
}
.tl-btn-invite:disabled { opacity: 0.85; cursor: default; }
.tl-gap { margin-top: 10px; }