/* Public welcome and account settings share the original warm-paper tokens. */
.companion-loading{min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;font-size:12px;color:var(--on-var);animation:companion-loading-appear .15s .3s both}
.companion-loading-stage{position:relative;display:block;width:84px;height:84px}.companion-loading-stage img{position:relative;z-index:1;width:72px;height:72px;object-fit:contain;animation:companion-loading-breathe 1.8s ease-in-out infinite}.companion-loading-shadow{position:absolute;bottom:3px;left:14px;width:48px;height:5px;border-radius:50%;background:color-mix(in srgb,var(--on) 10%,transparent);filter:blur(2px)}
.companion-loading.is-compact{min-height:72px;flex-direction:row;justify-content:flex-start;gap:10px}.companion-loading.is-compact .companion-loading-stage{width:52px;height:56px}.companion-loading.is-compact img{width:48px;height:48px}.companion-loading.is-compact .companion-loading-shadow{width:32px;left:8px;bottom:4px}
@keyframes companion-loading-appear{from{opacity:0}to{opacity:1}}@keyframes companion-loading-breathe{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-5px) rotate(2deg)}}
@media(prefers-reduced-motion:reduce){.companion-loading,.companion-loading-stage img{animation:none}}
html[data-motion=off] .companion-loading-stage img,html[data-motion=gentle] .companion-loading-stage img{animation:none}
.public-header { gap: 24px; box-shadow: 0 1px 0 var(--outline-var), 0 12px 32px -32px var(--on); }
.public-header > nav { flex: 1; justify-content: center; }
.welcome-page { max-width: 1280px; margin: 0 auto; }
.welcome-hero { position: relative; isolation: isolate; min-height: 580px; display: flex; align-items: center; padding: 76px 40px; overflow: hidden; border-bottom: 1px solid var(--outline-var); }
.welcome-copy { position: relative; z-index: 2; width: min(650px, 70%); }
.welcome-eyebrow { font-size: 12px; letter-spacing: .12em; color: var(--on-var); margin-bottom: 20px; }
.welcome-copy h1 { font-family: 'Songti SC', 'Noto Serif SC', serif; font-size: clamp(34px, 4.2vw, 60px); font-weight: 600; letter-spacing: -.04em; line-height: 1.55; }
.welcome-copy h1 span { color: var(--brand-text); }
.welcome-intro { max-width: 38ch; font-size: 16px; color: var(--on-var); line-height: 2; margin: 24px 0 30px; }
.welcome-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.welcome-actions .btn { padding: 12px 24px; min-height: 48px; }
.welcome-footnote { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; font-size: 12px; color: var(--on-var); }
.welcome-guide-link { color: var(--on); border-radius: 5px; padding: 2px 5px; margin-left: -5px; }
.welcome-art { position: relative; z-index: 1; flex: 1; display: grid; justify-items: center; gap: 14px; color: var(--on-var); font-size: 12px; padding-top: 60px; }
.welcome-art img { width: clamp(120px, 15vw, 190px); height: auto; object-fit: contain; filter: drop-shadow(0 18px 16px color-mix(in srgb, var(--on-var) 10%, transparent)); }
.public-network { position: absolute; z-index: 0; pointer-events: none; inset: 0 -4% 0 35%; opacity: .6; mask-image: linear-gradient(to right, transparent, #000 28%); background: radial-gradient(ellipse at 75% 55%, color-mix(in srgb, var(--accent-container) 40%, transparent), transparent 65%); }
.public-network::before { content: ''; position: absolute; inset: 16% 0; background: repeating-linear-gradient(24deg, transparent 0 30px, color-mix(in srgb, var(--accent) 8%, transparent) 31px, transparent 32px), repeating-linear-gradient(-24deg, transparent 0 30px, color-mix(in srgb, var(--wing-5) 8%, transparent) 31px, transparent 32px); mask-image: radial-gradient(ellipse, #000, transparent 70%); }
.public-network[data-state="off"] { display: none; }
.public-network[data-state="live"]::before { display: none; }
.public-network > .web-threads-container { width: 100%; height: 100%; }
.welcome-paths { padding: 70px 40px; }
.welcome-section-head { margin-bottom: 34px; }
.welcome-section-head h2, .welcome-companion h2, .welcome-mobile h2 { font-family: 'Songti SC', 'Noto Serif SC', serif; font-size: clamp(23px, 2.5vw, 32px); font-weight: 600; line-height: 1.6; }
.welcome-path-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.welcome-path { padding: 4px 30px 8px; border-left: 1px solid var(--outline-var); }
.welcome-path:first-child { border-left: none; padding-left: 0; }
.welcome-index { display: block; color: var(--on-var); font: italic 28px Georgia, serif; margin-bottom: 24px; }
.welcome-path h3 { font-size: 19px; margin-bottom: 12px; }
.welcome-path p { color: var(--on-var); line-height: 1.9; font-size: 14px; min-height: 54px; margin-bottom: 20px; }
.welcome-path-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--brand-text); font-size: 14px; gap: 10px; }
.welcome-companion { display: flex; align-items: center; gap: 48px; padding: 44px 64px; margin: 0 40px; border-block: 1px solid var(--outline-var); background: linear-gradient(100deg, var(--sc-low), transparent); }
.welcome-companion img { object-fit: contain; flex: none; }
.welcome-companion p:not(.welcome-eyebrow) { color: var(--on-var); line-height: 2; max-width: 60ch; margin: 12px 0; }
.welcome-mobile { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 68px 40px; }
.welcome-mobile p:not(.welcome-eyebrow) { color: var(--on-var); margin-top: 12px; line-height: 1.9; }
.public-guide { max-width: 1000px; margin: 36px auto 70px; padding: 20px; }
.public-guide > header { margin-bottom: 28px; }
.public-guide h1 { font-family: 'Songti SC', serif; font-size: 36px; margin-bottom: 18px; }
.guide-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-bottom: 1px solid var(--outline-var); }
.guide-steps a { display: grid; gap: 10px; padding: 16px 10px; color: var(--on-var); font-size: 13px; border-bottom: 2px solid transparent; }
.guide-steps a span { font: italic 22px Georgia, serif; }
.guide-steps a[aria-current="step"] { border-bottom-color: var(--brand); color: var(--brand-text); }
.guide-panel { display: flex; align-items: center; gap: 50px; min-height: 310px; padding: 40px; background: var(--sc-low); border-radius: 4px 4px 20px 20px; }
.guide-panel img { object-fit: contain; flex: none; }
.guide-panel h2 { font-size: 25px; margin-bottom: 18px; }
.guide-panel p:not(.welcome-eyebrow) { color: var(--on-var); line-height: 2; margin-bottom: 24px; }
.guide-controls { display: flex; justify-content: space-between; margin-top: 24px; }
.auth-public-link { display: inline-flex; margin-top: 20px; color: var(--on-var); min-height: 44px; align-items: center; }
.settings-page { max-width: 1280px; margin: auto; }
.settings-layout { display: grid; grid-template-columns: 232px minmax(0, 1fr); gap: 42px; align-items: start; }
.settings-sidebar { position: sticky; top: calc(var(--bar-h) + 24px); background: var(--sc-low); border: 1px solid var(--outline-var); border-radius: 14px; padding: 18px 12px; }
.settings-identity { display: flex; gap: 12px; align-items: center; padding: 0 4px 18px; }
.settings-identity strong { font-size: 14px; overflow-wrap: anywhere; }
.settings-identity p { font-size: 11px; margin-top: 4px; }
.settings-avatar { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--sc-high); flex: none; }
.settings-sidebar > input { width: 100%; min-height: 42px; font-size: 13px; background: var(--surface); border-radius: 8px; }
.settings-nav section { padding-top: 22px; }
.settings-nav section > h2 { font-size: 11px; color: var(--on-var); font-weight: 500; padding: 0 10px 8px; }
.settings-nav a { display: flex; align-items: center; padding: 9px 10px; min-height: 42px; font-size: 13px; color: var(--on-var); border-radius: 7px; }
.settings-nav a[hidden], .settings-nav section[hidden] { display: none; }
.settings-nav a[aria-current="page"] { font-weight: 600; color: var(--on); }
.settings-nav .selection-marker { background: var(--surface); }
.settings-content { min-width: 0; padding-top: 8px; }
.settings-content .page-head { margin-bottom: 24px; }
.settings-content .stu-page { max-width: none; padding: 0; }
.settings-content .section { border-bottom: 1px solid var(--outline-var); padding-bottom: 24px; }
.settings-assignments { list-style: none; display: grid; gap: 18px; }
.settings-content .page-actions { flex-wrap: wrap; }
.library-search { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 10px; margin: 24px 0; }
.library-search input, .library-search select { min-width: 0; }
.library-entries { display: grid; gap: 22px; }
.library-note { border: 1px solid var(--outline-var); border-radius: 6px 14px 14px 6px; border-left: 3px solid var(--accent); padding: 24px; background: var(--surface); box-shadow: 0 3px 0 -1px var(--sc-low), 0 4px 0 -1px var(--outline-var); }
.library-meta { color: var(--on-var); font-size: 12px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.library-note h2 { font-family: 'Songti SC', serif; font-size: 21px; font-weight: 600; }
.library-body { white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.9; margin: 16px 0; }
.library-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.library-tags span { font-size: 11px; border: 1px solid var(--outline-var); padding: 3px 9px; border-radius: 6px; color: var(--on-var); }
.companion-history-search { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px; }
.companion-history-search input { min-width: 0; width: 100%; font-size: 12px; border-radius: 8px; }
.companion-retention { font-size: 11px; line-height: 1.8; }
.companion-web-mode { margin-bottom: 8px; }
.companion-sources { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.companion-sources a { border: 1px solid var(--outline-var); padding: 8px 12px; font-size: 12px; border-radius: 8px; overflow-wrap: anywhere; }
.companion-source-number { display:inline-grid;place-items:center;min-width:20px;height:20px;margin-right:8px;background:var(--accent-container);color:var(--on-accent-container);border-radius:50%;font-size:10px;font-weight:650; }
.companion-intro { display: grid; justify-items: center; text-align: center; padding: 36px 20px; color: var(--on-var); }
.companion-intro .companion-figure { width: 132px; height: 144px; }
.companion-intro h2 { font-family: 'Songti SC', serif; font-size: 26px; color: var(--on); margin: 18px 0 12px; }
.companion-intro p { max-width: 40ch; font-size: 14px; line-height: 1.9; }
@media (hover: hover) and (pointer: fine) {
  .settings-nav a:hover { background: color-mix(in srgb, var(--sc-high) 55%, transparent); color: var(--on); }
  .welcome-path-link:hover, .welcome-guide-link:hover { color: var(--on); text-decoration: none; }
}
@media (max-width: 899px) {
  .welcome-hero { padding: 54px 20px; min-height: 510px; }
  .settings-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 24px; }
  .welcome-companion { padding: 32px; margin-inline: 20px; gap: 28px; }
  .welcome-paths, .welcome-mobile { padding: 44px 20px; }
}
@media (max-width: 699px) {
  .public-header { flex-wrap: wrap; gap: 12px; }
  .public-header > nav { order: 3; flex-basis: 100%; justify-content: start; overflow-x: auto; flex-wrap: nowrap; }
  .public-header > a:last-child { margin-left: auto; }
  .welcome-hero { min-height: 560px; align-items: start; flex-direction: column; padding: 42px 12px 26px; }
  .welcome-copy { width: 100%; }
  .welcome-copy h1 { font-size: clamp(28px, 6.8vw, 40px); }
  .welcome-intro { font-size: 14px; }
  .welcome-art { align-self: end; padding-top: 22px; display: flex; align-items: center; flex-direction: row-reverse; }
  .welcome-art img { width: 90px; height: 100px; }
  .public-network { inset: 16% -40% 0 25%; opacity: .45; }
  .welcome-path-grid { grid-template-columns: 1fr; }
  .welcome-path, .welcome-path:first-child { border-left: 0; border-top: 1px solid var(--outline-var); padding: 26px 0; }
  .welcome-index { margin-bottom: 16px; }
  .welcome-path p { min-height: 0; margin-bottom: 8px; }
  .welcome-companion { margin: 0; padding: 26px 16px; gap: 18px; }
  .welcome-companion img { width: 70px; height: 90px; }
  .welcome-mobile { align-items: start; flex-direction: column; padding-inline: 12px; }
  .welcome-paths { padding-inline: 12px; }
  .settings-layout { grid-template-columns: 1fr; gap: 26px; }
  .library-search { grid-template-columns: minmax(0, 1fr) auto; }
  .library-search > input { grid-column: 1 / -1; }
  .library-note { padding: 18px; }
  .settings-sidebar { position: static; }
  .settings-nav { display: flex; gap: 18px; overflow-x: auto; padding-bottom: 4px; }
  .settings-nav section { flex: none; padding-top: 16px; }
  .settings-nav a { min-height: 44px; }
  .settings-identity { padding-bottom: 12px; }
  .guide-panel { flex-direction: column; gap: 20px; padding: 26px 20px; align-items: start; }
  .guide-panel img { width: 70px; height: 86px; align-self: end; }
  .public-guide { padding: 8px; margin-top: 24px; }
  .public-guide h1 { font-size: 28px; }
  .guide-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (forced-colors: active) { .public-network { display: none; } .settings-nav a[aria-current="page"] { outline: 2px solid Highlight; } }

/* GreatUI circular theme reveal: CSP-safe static selectors, native animation only. */
:root[data-theme-reveal="true"]::view-transition-old(root),
:root[data-theme-reveal="true"]::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
:root[data-theme-reveal="true"]::view-transition-old(root) { z-index: 1; }
:root[data-theme-reveal="true"]::view-transition-new(root) { z-index: 2; }
.welcome-guide-link:hover { background: var(--sc-high); }
/* Adapted from Uiverse.io / adamgiebl / curly-lizard-40. Native input semantics remain. */
.companion-web-mode input { appearance: none; width: 20px; height: 20px; flex: none; border: 1.5px solid var(--outline); border-radius: 5px; display: inline-grid; place-content: center; cursor: pointer; background: transparent; }
.companion-web-mode input::before { content: ''; width: 10px; height: 10px; border-radius: 2px; background: var(--accent); transform: scale(0); transition: transform 180ms ease; }
.companion-web-mode input:checked::before { transform: scale(1); }
.companion-web-mode input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.companion-web-mode input:disabled { opacity: .45; cursor: not-allowed; }
@media (prefers-reduced-motion: reduce), (forced-colors: active) { .companion-web-mode input { appearance: auto; } .companion-web-mode input::before { display: none; } }
:root[data-motion="off"] .companion-web-mode input::before,
:root[data-motion="gentle"] .companion-web-mode input::before { transition: none; }