/* Task 02A: scoped additions; the site's shared stylesheet stays unchanged. */
.lantern-main { max-width: 800px; margin: 0 auto; padding-bottom: 86px; }
.masthead nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: .4em; }
/* This file is loaded only by Lantern Room; other pages keep their mastheads. */
.page > .masthead { min-height: 74px; padding-top: 8px; padding-bottom: 8px; }
.lantern-intro { text-align: center; padding: 12px 0; }
.lantern-compass { display: block; width: 108px; height: 74px; margin: 0 auto 8px; filter: grayscale(1); mix-blend-mode: multiply; }
.lantern-intro h1 { font: 400 clamp(1.8rem, 3.2vw, 2.7rem)/1.12 var(--serif); letter-spacing: -.035em; text-wrap: balance; }
.lantern-subtitle { font: italic 1.35rem/1.3 var(--serif); margin-top: 4px; }
.lantern-opening { font: italic .98rem/1.5 var(--serif); color: var(--muted); margin-top: 8px; }
.lantern-context { font-size: .72rem; color: var(--muted); margin-top: 4px; }
.lantern-context cite { font-style: normal; }
.lantern-section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap; }
.lantern-section-heading h2 { font: 400 1.6rem/1.3 var(--serif); letter-spacing: -.02em; }
.lantern-latest { display: inline-flex; align-items: center; gap: 13px; min-height: 44px; color: var(--muted); font-size: .78rem; text-decoration: none; }
.lantern-latest:hover { text-decoration: underline; }
.lantern-demo-note { font-size: .76rem; line-height: 1.65; color: var(--muted); }
.lantern-archive-section > .lantern-demo-note { margin-top: 8px; max-width: 650px; }
.lantern-search { display: flex; align-items: center; gap: 20px; margin: 16px 0 12px; }
.lantern-search label, .lantern-field label { font-size: .8rem; }
.lantern-search-input { display: flex; width: min(330px, 100%); gap: 10px; }
.lantern-search input, .lantern-field input, .lantern-field textarea { min-width: 0; width: 100%; border: 1px solid var(--rule); border-radius: 0; background: rgba(255,255,255,.25); padding: 12px 14px; color: var(--ink); font: 16px/1.5 var(--sans); }
.lantern-search input { font-size: .85rem; min-height: 44px; }
.lantern-search input::placeholder { color: var(--muted); opacity: 1; }
.lantern-search button, #ask-another { padding: 0 2px; background: none; border: 0; color: var(--muted); font: .8rem/1.5 var(--sans); text-decoration: underline; text-underline-offset: .3em; cursor: pointer; min-height: 44px; }
.lantern-archive { position: relative; height: 680px; height: clamp(650px, 68svh, 700px); overflow-y: auto; overflow-x: hidden; scrollbar-gutter: stable; scrollbar-width: thin; scrollbar-color: #a6a6a0 var(--subtle-bg); border: 1px solid var(--rule); background: rgba(255,255,255,.16); padding: 0 38px; scroll-behavior: auto; overflow-wrap: anywhere; }
.lantern-archive:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.lantern-conversation { padding: 23px 0 25px; }
.lantern-conversation + .lantern-conversation { border-top: 1px solid var(--rule); }
.lantern-speaker { font: 600 .73rem/1.5 var(--sans); letter-spacing: .075em; margin-bottom: 10px; }
.lantern-question, .lantern-reply { font: 1.025rem/1.7 var(--serif); }
.lantern-question p + p, .lantern-reply p + p { margin-top: 12px; }
.lantern-reply { border-left: 1px solid #9c9c95; margin-top: 20px; padding-left: 22px; }
.lantern-placeholder-label { font: italic .95rem/1.6 var(--serif); color: var(--muted); }
.lantern-archive-help { color: var(--muted); font-size: .72rem; margin-top: 12px; }
.lantern-empty { padding: 36px 0; font: 1.08rem/1.75 var(--serif); color: var(--muted); }
#archive-end { scroll-margin: 16px; }
.lantern-question-section { padding-top: 44px; margin-top: 39px; border-top: 1px solid var(--rule); }
.lantern-eyebrow { font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.lantern-question-section h2 { font: 400 clamp(1.9rem, 3vw, 2.5rem)/1.2 var(--serif); letter-spacing: -.025em; }
.lantern-question-intro { font: 1.08rem/1.7 var(--serif); margin-top: 14px; }
.lantern-question-section > .lantern-demo-note { margin-top: 10px; max-width: 570px; }
#question-form { margin-top: 27px; }
.lantern-field { display: grid; gap: 9px; margin-bottom: 22px; }
.lantern-field:first-child { max-width: 360px; }
.lantern-field textarea { resize: vertical; min-height: 150px; font: 1.08rem/1.7 var(--serif); }
#send-question { display: inline-flex; align-items: center; justify-content: space-between; gap: 38px; border: 1px solid var(--ink); border-radius: 0; background: var(--ink); color: var(--paper); padding: 14px 21px; min-height: 48px; font: .85rem/1.4 var(--sans); cursor: pointer; }
#send-question:hover { background: #41413e; }
#send-question:disabled { opacity: .5; cursor: default; }
.lantern-confirmation { border-left: 1px solid var(--ink); padding: 5px 0 5px 24px; margin-top: 30px; }
.lantern-confirmation h3 { font: 400 1.65rem/1.35 var(--serif); }
.lantern-confirmation > p:not(.lantern-eyebrow):not(.lantern-demo-note) { font: 1.08rem/1.75 var(--serif); margin-top: 15px; max-width: 600px; }
.lantern-confirmation .lantern-demo-note { margin-top: 17px; }
#ask-another { margin-top: 15px; }
.lantern-main [hidden] { display: none !important; }
@media (max-width: 820px) {
  .lantern-main { max-width: 680px; padding-bottom: 60px; }
  .page > .masthead { min-height: 72px; }
  .lantern-intro { padding: 10px 0; }
  .lantern-compass { width: 98px; height: 67px; margin-bottom: 6px; }
  .lantern-archive { height: 63vh; height: 63svh; padding: 0 27px; }
}
@media (max-width: 480px) {
  .page > .masthead { gap: 0; padding: 10px 0 8px; }
  .page > .masthead nav { display: grid; width: 100%; grid-template-columns: repeat(3, max-content); column-gap: 12px; justify-content: space-between; row-gap: 0; }
  .page > .masthead nav a[aria-current="page"] { grid-column: 1 / -1; justify-self: start; }
  .lantern-intro { padding: 10px 0 12px; }
  .lantern-compass { width: 90px; height: 62px; margin-bottom: 6px; }
  .lantern-intro h1 { font-size: 1.8rem; }
  .lantern-subtitle { font-size: 1.25rem; }
  .lantern-opening { max-width: none; margin: 7px auto 0; font-size: .94rem; }
  .lantern-context { max-width: none; margin: 4px auto 0; font-size: .69rem; line-height: 1.6; }
  .lantern-section-heading { gap: 0 10px; }
  .lantern-section-heading h2 { font-size: 1.4rem; }
  .lantern-latest { font-size: .72rem; gap: 6px; }
  .lantern-search { display: block; margin-top: 14px; }
  .lantern-search label { display: block; margin-bottom: 8px; }
  .lantern-search-input { width: 100%; }
  .lantern-search input { font-size: 16px; }
  .lantern-archive { padding: 0 20px; }
  .lantern-conversation { padding: 20px 0 22px; }
  .lantern-question, .lantern-reply { font-size: 1rem; line-height: 1.65; }
  .lantern-reply { padding-left: 16px; margin-top: 18px; }
  .lantern-question-section { margin-top: 30px; padding-top: 32px; }
}
@media (prefers-reduced-motion: reduce) { .lantern-archive, html { scroll-behavior: auto; } }
@media print { .lantern-archive { height: auto; overflow: visible; } .lantern-search, .lantern-latest, .lantern-question-section { display: none; } }