/* Shared open layouts for Chamlet, Scalism and Chutijia. */
[hidden] { display: none !important; }
:root {
  --page-gutter: clamp(24px, 5.5vw, 112px);
  --site-accent: #aeb4ff;
  --layout-line: rgba(180, 187, 220, .14);
  --sidebar-width: 256px;
  --sidebar-rail: 60px;
  --workspace-header-height: 76px;
}

body:has(.landing-main) {
  background: radial-gradient(ellipse at 85% 0%, #19203b 0, transparent 48%), #0b0e18;
}
body:has(#scalism-site-header) {
  --site-accent: #a6c7eb;
  background: radial-gradient(ellipse at 90% 0%, #1c2e40 0, transparent 48%), #0c1118;
}
body:has(#chutijia-site-header) {
  --site-accent: #9cebd2;
  background: radial-gradient(ellipse at 90% 0%, #153c35 0, transparent 48%), #091412;
}

.landing-header {
  width: 100%;
  padding: 26px var(--page-gutter);
  gap: 24px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--layout-line);
}
.landing-logo { color: #f4f6ff; font-size: 20px; font-weight: 700; letter-spacing: .06em; }
.landing-nav { gap: clamp(16px, 2vw, 32px); flex-wrap: wrap; }
.landing-nav a:hover, .landing-link:hover { color: var(--site-accent); }
.landing-nav-more:focus-within .landing-nav-more-menu { display: block; }
.landing-nav-more-menu { border: 1px solid var(--layout-line); border-radius: 4px; }

main.landing-main {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 var(--page-gutter) clamp(64px, 9vw, 144px);
  gap: 0;
}
.landing-hero {
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  min-height: min(760px, 78vh);
  padding: clamp(56px, 8vw, 128px) 0;
  gap: clamp(40px, 7vw, 140px);
}
.landing-hero-text h1 {
  max-width: 16ch;
  margin: 0 0 30px;
  font-size: clamp(40px, 4.8vw, 84px);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -.035em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
.landing-hero-text p {
  max-width: 62ch;
  margin-bottom: 28px;
  font-size: clamp(16px, 1.25vw, 20px);
  line-height: 1.85;
  color: #b5bfce;
}
.landing-hero-text .landing-hero-note { font-size: 13px; margin: 22px 0 0; }
.landing-hero-text .scalism-kicker,
.landing-hero-text .chutijia-kicker { font-size: 12px; letter-spacing: .16em; color: var(--site-accent); }
.landing-hero-cta { gap: 16px; margin-top: 32px; }
.landing-btn { min-height: 48px; padding: 12px 24px; border-radius: 6px; font-size: 15px; }
.landing-main .card {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  padding: 28px 0;
  border-top: 1px solid var(--layout-line);
  min-width: 0;
}
.landing-hero-preview .card {
  min-height: 0;
  padding: 12px 0 12px clamp(24px, 3vw, 56px);
  border-top: 0;
  border-left: 1px solid var(--layout-line);
}
.landing-hero-preview h3 { font-size: clamp(20px, 1.8vw, 28px); font-weight: 500; margin: 0 0 24px; }
.landing-hero-preview p, .landing-hero-preview li { line-height: 1.9; color: #b5bfce; font-size: 15px; }
.landing-hero-preview li { margin-bottom: 12px; }
.landing-hero:has(.landing-hero-text:only-child) { grid-template-columns: minmax(0, 1fr); min-height: 0; }
.landing-hero-text:only-child h1 { max-width: 24ch; }
.landing-section { margin: 0; padding: clamp(40px, 5vw, 80px) 0; border-top: 1px solid var(--layout-line); }
.landing-section h2 { margin: 0 0 32px; font-size: clamp(26px, 2.8vw, 44px); font-weight: 500; letter-spacing: -.025em; line-height: 1.25; }
.landing-section h3 { font-size: 21px; font-weight: 500; line-height: 1.4; margin: 0 0 16px; }
.landing-section p, .landing-section li { font-size: 16px; line-height: 1.85; max-width: 76ch; color: #b5bfce; }
.landing-section > .card { border-top: 0; }
.landing-section .card h2:not(:first-child) { margin-top: 64px; }
.landing-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: clamp(24px, 4vw, 64px); }
.landing-grid > a.card { transition: border-color .18s ease, color .18s ease; }
.landing-grid > a.card:hover { border-color: var(--site-accent); }
.landing-main a:not(.landing-btn) { color: var(--site-accent); }
.landing-footer { margin: 0; padding: 56px var(--page-gutter) 28px; border-color: var(--layout-line); background: transparent; }
.landing-footer-columns, .landing-footer-bottom { max-width: none; }
.landing-footer-columns { gap: 32px; margin-bottom: 48px; }
.landing-footer-col h4 { font-size: 14px; margin-bottom: 18px; }
.landing-footer-col a { font-size: 14px; margin: 10px 0; }

/* Workspaces share an edge-aligned rail. The content gets the remaining width. */
body.workspace-page { background: #0c0f19; }
.workspace-page > header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 76px;
  margin: 0;
  padding: 18px 28px;
  background: #0d111d;
  border-bottom: 1px solid var(--layout-line);
  flex-wrap: wrap;
}
.workspace-page > header h1 { font-size: 18px; font-weight: 500; margin: 0; }
body.workspace-page.with-tabs > main {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  align-items: start;
  width: 100%;
  max-width: none;
  min-height: calc(100dvh - var(--workspace-header-height));
  margin: 0;
  padding: 0;
  gap: 0;
}
body.workspace-page.with-tabs.sidebar-collapsed > main { grid-template-columns: var(--sidebar-rail) minmax(0, 1fr); }
body.workspace-page [data-workspace-sidebar] {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: sticky;
  top: var(--workspace-header-height);
  width: 100%;
  height: calc(100dvh - var(--workspace-header-height));
  min-height: 0;
  margin: 0;
  padding: 14px 14px 24px;
  grid-column: 1;
  grid-row: 1;
  border: 0;
  border-right: 1px solid var(--layout-line);
  border-radius: 0;
  background: #101522;
  box-shadow: none;
  overflow: auto;
  scrollbar-width: thin;
}
.workspace-page .tabs button, .workspace-page .tabs .tab-link { margin: 0; padding: 12px; border-radius: 6px; line-height: 1.5; }
.workspace-page .tabs .spacer { display: block; min-height: 24px; }
.workspace-page.with-tabs main > .tab {
  grid-column: 2;
  grid-row: 1;
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: clamp(24px, 3.5vw, 64px);
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  overflow-wrap: anywhere;
}
.workspace-page .tab > h2 { font-size: clamp(26px, 2.6vw, 38px); font-weight: 500; margin: 0 0 24px; }
.workspace-page .tab > p { line-height: 1.8; }
.workspace-page .plaza-room-layout { grid-template-columns: minmax(0, 1fr) 240px; gap: 32px; }
.workspace-page .plaza-message-list { height: 54vh; border-radius: 0; border: 0; background: transparent; padding: 16px 0; }
.workspace-page .plaza-room-heading { padding-bottom: 24px; border-bottom: 1px solid var(--layout-line); }
.workspace-page .plaza-members-panel { border-color: var(--layout-line); }
.workspace-page #loginCard, .workspace-page #admin-login-card { width: min(100%, 460px); margin: 48px auto; }

.workspace-sidebar-toolbar { display: flex; align-items: center; justify-content: flex-end; flex: 0 0 auto; position: sticky; top: 0; z-index: 1; margin-bottom: 12px; background: #101522; }
.workspace-page button.workspace-sidebar-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin: 0;
  padding: 8px;
  flex: 0 0 36px;
  border: 1px solid var(--layout-line);
  border-radius: 6px;
  background: transparent;
  color: #c7d0e5;
  cursor: pointer;
}
.workspace-sidebar-toggle svg { width: 20px; height: 20px; }
.workspace-sidebar-toggle:hover { background: #252d43 !important; color: white; }
.workspace-sidebar-toggle:focus-visible { outline: 2px solid var(--site-accent); outline-offset: 3px; }
.workspace-page.sidebar-collapsed [data-workspace-sidebar] { padding: 14px 12px; overflow: hidden; }
.workspace-page.sidebar-collapsed [data-workspace-sidebar] > :not(.workspace-sidebar-toolbar) { display: none !important; }
.sidebar-collapsed .workspace-sidebar-toolbar { justify-content: center; }
.sidebar-collapsed .workspace-sidebar-toggle svg { transform: scaleX(-1); }
.workspace-sidebar-backdrop { display: none; }

/* Chat keeps its conversation and Agent panes, without the boxed outer shell. */
.workspace-page .chat-app {
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr) minmax(280px, 24%);
  grid-template-rows: minmax(0, 1fr);
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  gap: 0;
  height: calc(100dvh - var(--workspace-header-height));
}
.workspace-page.sidebar-collapsed .chat-app { grid-template-columns: var(--sidebar-rail) minmax(0, 1fr) minmax(280px, 24%); }
.workspace-page .chat-main, .workspace-page .chat-agent { min-width: 0; height: 100%; padding: 24px; border-radius: 0; box-shadow: none; background: transparent; }
.workspace-page .chat-main { grid-column: 2; }
.workspace-page .chat-agent { grid-column: 3; border-left: 1px solid var(--layout-line); }
.workspace-page .message-list, .workspace-page .agent-log { background: transparent; border: 0; border-radius: 0; padding: 20px 0; }
.workspace-page .chat-main-head { padding-bottom: 16px; border-bottom: 1px solid var(--layout-line); }
.workspace-page .chat-sidebar .inline-form { flex-wrap: wrap; }
.workspace-page .chat-sidebar .inline-form input { flex-basis: 100%; min-width: 0; }
.workspace-page .chat-sidebar .friend-list { min-height: 100px; }
.workspace-page .chat-header-meta { overflow-wrap: anywhere; min-width: 0; }

@media (max-width: 1100px) {
  .workspace-page .plaza-room-layout { grid-template-columns: minmax(0, 1fr); }
  .workspace-page .plaza-members-panel { border-left: 0; padding: 24px 0 0; border-top: 1px solid var(--layout-line); }
  .workspace-page .chat-app, .workspace-page.sidebar-collapsed .chat-app { grid-template-columns: var(--sidebar-width) minmax(0, 1fr); grid-template-rows: auto auto; height: auto; }
  .workspace-page.sidebar-collapsed .chat-app { grid-template-columns: var(--sidebar-rail) minmax(0, 1fr); }
  body.workspace-page .chat-sidebar { grid-row: 1 / 3; }
  .workspace-page .chat-main { grid-column: 2; grid-row: 1; height: max(480px, calc(100dvh - var(--workspace-header-height))); }
  .workspace-page .chat-agent { grid-column: 2; grid-row: 2; height: 480px; border-left: 0; border-top: 1px solid var(--layout-line); }
}
@media (max-width: 760px) {
  :root { --page-gutter: 24px; --sidebar-rail: 56px; }
  .landing-header { padding: 22px var(--page-gutter); gap: 20px; }
  .landing-hero { grid-template-columns: 1fr; min-height: 0; padding: 56px 0; gap: 40px; }
  .landing-hero-preview .card { padding: 24px 0 0; border-left: 0; border-top: 1px solid var(--layout-line); }
  .landing-hero-text h1 { font-size: clamp(36px, 8vw, 56px); }
  .workspace-page > header { padding: 14px 18px; gap: 12px; }
  body.workspace-page.with-tabs > main,
  body.workspace-page .chat-app { grid-template-columns: var(--sidebar-rail) minmax(0, 1fr); }
  .workspace-page.with-tabs main > .tab { padding: 24px 16px; }
  .workspace-page .chat-main, .workspace-page .chat-agent { padding: 16px; }
  .workspace-page.sidebar-collapsed [data-workspace-sidebar] { padding: 14px 10px; }
  .workspace-page.sidebar-mobile-open { overflow: hidden; }
  .workspace-page.sidebar-mobile-open [data-workspace-sidebar] {
    position: fixed;
    z-index: 50;
    inset: var(--workspace-header-height) auto 0 0;
    width: min(300px, 85vw);
    height: auto;
    box-shadow: 20px 0 60px rgba(0, 0, 0, .35);
  }
  .workspace-sidebar-backdrop:not([hidden]) {
    display: block;
    position: fixed;
    inset: var(--workspace-header-height) 0 0;
    z-index: 40;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: rgba(0, 0, 0, .5);
  }
}
@media (prefers-reduced-motion: reduce) {
  .landing-grid > a.card { transition: none; }
}