:root {
  --black: #050505;
  --ink: #f5f5f2;
  --paper: #050505;
  --white: #111111;
  --grey: #272727;
  --mid: #a7a7a3;
  --red: #ff6a00;
  --orange: #ff6a00;
  --yellow: #ff6a00;
  --green: #ff6a00;
  --pack-red: #e0443e;
  --pack-green: #35c96f;
  --sidebar-width: 260px;
  --border: 1.5px solid var(--orange);
  --shadow: 5px 5px 0 var(--orange);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: Geneva, Verdana, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}
button, input, select { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 9px 12px; color: white; background: var(--black); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); transition: grid-template-columns .16s ease; }
body.sidebar-collapsed .app-shell { grid-template-columns: 0 minmax(0, 1fr); }
.sidebar { position: sticky; z-index: 30; top: 0; width: var(--sidebar-width); height: 100vh; display: flex; flex-direction: column; overflow: hidden auto; color: white; background: var(--black); border-right: 1px solid var(--orange); transition: transform .16s ease, opacity .16s ease; }
body.sidebar-collapsed .sidebar { transform: translateX(-100%); opacity: 0; pointer-events: none; }
.sidebar-titlebar { height: 33px; flex: none; display: flex; align-items: center; justify-content: flex-end; padding: 0 9px; color: white; background: var(--black); border-bottom: 1px solid #2d2d2d; }
.sidebar-close, .dialog-close { width: 24px; height: 24px; display: grid; place-items: center; padding: 0; border: 1px solid var(--orange); color: white; background: var(--black); cursor: pointer; font-weight: 900; line-height: 1; }
.brand { display: flex; align-items: center; padding: 23px 17px 22px; border-bottom: 1px solid #303030; }
.brand strong { display: block; font: 900 1rem Monaco, "Courier New", monospace; letter-spacing: .13em; }
.brand small { display: block; margin-top: 3px; color: var(--orange); font-size: .72rem; }
.brand-source-link { margin: 0; padding: 0; border: 0; color: inherit; background: transparent; cursor: pointer; font: inherit; text-decoration: none; }
.brand-source-link:hover, .brand-source-link:focus-visible { color: white; outline: 0; }
.nav-item, .category-link { width: 100%; min-height: 42px; display: grid; align-items: center; gap: 8px; padding: 8px 14px; border: 0; border-bottom: 1px solid #303030; color: #d0d0d0; background: transparent; text-align: left; cursor: pointer; font-size: .79rem; }
.nav-item { grid-template-columns: minmax(0, 1fr) auto; }
.nav-item.library-nav { margin-bottom: 7px; border-bottom: 1px solid var(--orange); }
.nav-item:hover, .nav-item.is-active, .category-link:hover, .category-link.is-active { color: white; background: #1c1c1c; }
.nav-item.is-active { box-shadow: inset 5px 0 0 var(--red); }
.nav-key { color: var(--orange); font: 700 .67rem Monaco, "Courier New", monospace; }
.sidebar-heading { padding: 22px 14px 7px; color: var(--yellow); font: 700 .63rem Monaco, "Courier New", monospace; letter-spacing: .12em; text-transform: uppercase; }
.category-link { min-height: 35px; grid-template-columns: 31px minmax(0, 1fr); padding-block: 5px; border-bottom: 0; font-size: .73rem; }
.category-link .nav-key { color: #8f8f8f; }
.category-link.library-help-link { grid-template-columns: minmax(0, 1fr); min-height: 42px; margin-top: 9px; padding-top: 10px; border-top: 1px solid var(--orange); color: white; }
.sidebar-footer { margin-top: auto; padding: 17px; display: flex; align-items: center; gap: 10px; border-top: 1px solid #424242; font-size: .74rem; }
.sidebar-footer strong, .sidebar-footer small { display: block; }
.sidebar-footer small { color: #999; }
.offline-light { width: 11px; height: 11px; flex: none; background: var(--orange); border: 1.5px solid white; border-radius: 50%; box-shadow: 0 0 0 2px #713200; }

.workspace { min-width: 0; }
.topbar { position: sticky; z-index: 20; top: 0; height: 58px; display: flex; align-items: center; gap: 15px; padding: 0 clamp(16px, 3vw, 38px); color: white; background: var(--black); border-bottom: 4px solid var(--red); }
.menu-button { width: 33px; height: 31px; display: grid; align-content: center; gap: 4px; padding: 6px; border: 1.5px solid white; background: transparent; cursor: pointer; }
.menu-button span { height: 2px; display: block; background: white; }
.menu-button:hover { background: var(--red); }
.topbar-name { min-width: 0; display: flex; align-items: baseline; gap: 8px; white-space: nowrap; overflow: hidden; font: .72rem Monaco, "Courier New", monospace; }
.topbar-name strong { letter-spacing: .14em; }
.topbar-name span { color: #a8a8a8; overflow: hidden; text-overflow: ellipsis; }
.connection-button { margin-left: auto; display: flex; align-items: center; gap: 7px; padding: 7px 9px; border: 1px solid #555; color: #cfcfcf; background: transparent; cursor: pointer; font: 700 .63rem Monaco, "Courier New", monospace; }
.connection-button i { width: 8px; height: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 2px #713200; }
.connection-button.is-offline i { background: #777; box-shadow: 0 0 0 2px #333; }
.connection-button:hover, .connection-button:focus-visible { outline: 0; color: var(--black); border-color: var(--orange); background: var(--orange); }
.connection-button:hover i, .connection-button:focus-visible i { background: var(--black); box-shadow: none; }
.help-button { padding: 7px 10px; border: 1.5px solid white; color: white; background: transparent; cursor: pointer; font: 700 .63rem Monaco, "Courier New", monospace; }
.help-button:hover { color: var(--black); background: var(--yellow); }

main { width: min(1120px, 100%); margin: 0 auto; padding: 38px clamp(18px, 4vw, 54px) 76px; }
.library-home { border: var(--border); background: var(--white); box-shadow: var(--shadow); }
.home-titlebar, .dialog-titlebar { min-height: 34px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; padding: 5px 10px; color: white; background: var(--black); border-bottom: 1px solid var(--orange); font: 700 .62rem Monaco, "Courier New", monospace; letter-spacing: .08em; }
.index-clock { justify-self: end; display: flex; align-items: baseline; gap: 7px; padding: 2px 4px; border: 0; color: var(--orange); background: transparent; cursor: pointer; font: inherit; letter-spacing: inherit; }
.index-clock strong, .index-clock #dateValue { color: white; }
.index-clock:hover, .index-clock:focus-visible { color: var(--black); background: var(--orange); outline: 0; }
.index-clock:hover strong, .index-clock:hover #dateValue, .index-clock:focus-visible strong, .index-clock:focus-visible #dateValue { color: var(--black); }
.home-body { padding: clamp(28px, 6vw, 64px); }
.home-heading { margin-bottom: 30px; }
.home-label, .section-kicker, .dialog-eyebrow { color: var(--red); font: 700 .67rem Monaco, "Courier New", monospace; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 8px 0 1px; color: white; font: 900 clamp(3.1rem, 9vw, 7.4rem)/.9 Monaco, "Courier New", monospace; letter-spacing: -.09em; }
.home-heading p { margin: 16px 0 0; color: var(--mid); font-size: .9rem; }
.search-wrap { height: 62px; display: flex; align-items: center; border: var(--border); background: var(--paper); box-shadow: 4px 4px 0 var(--orange); }
.search-number { width: 58px; align-self: stretch; display: grid; place-items: center; color: white; background: var(--red); border-right: var(--border); font: 900 1.5rem Monaco, monospace; }
.search-wrap input { flex: 1; min-width: 0; height: 100%; padding: 0 18px; border: 0; outline: 0; color: white; background: transparent; font: 700 clamp(.9rem, 2vw, 1.1rem) Monaco, "Courier New", monospace; }
.search-wrap input::placeholder { color: #8d8d88; font-weight: 400; }
.search-wrap:focus-within { outline: 3px solid var(--yellow); outline-offset: 3px; }
kbd { margin-right: 14px; min-width: 28px; padding: 3px 7px; border: 1px solid var(--orange); color: var(--black); background: var(--orange); text-align: center; font: .7rem Monaco, monospace; }
.ask-ai-button { align-self: stretch; flex: none; padding: 0 14px; border: 0; border-left: 1px solid var(--orange); color: var(--orange); background: #0d0d0d; cursor: pointer; font: 900 .62rem Monaco, "Courier New", monospace; letter-spacing: .05em; }
.ask-ai-button:hover, .ask-ai-button:focus-visible { color: var(--black); background: var(--orange); outline: 0; }
.home-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 27px; padding-top: 16px; border-top: 1px solid #383838; color: var(--mid); font: .62rem Monaco, "Courier New", monospace; }
.home-meta b { color: white; }
.welcome-dialog { width: min(900px, calc(100% - 28px)); color: white; background: #0d0d0d; }
.offlne-intro-page { padding: clamp(38px, 7vw, 76px) clamp(24px, 8vw, 88px) 48px; color: white; text-align: center; font-family: Monaco, "Courier New", monospace; }
.offlne-intro-page h2 { margin: 0 0 24px; color: white; font-size: clamp(3rem, 9vw, 6.8rem); line-height: .88; letter-spacing: -.09em; }
.offlne-intro-page h3 { max-width: 690px; margin: 0 auto 16px; color: var(--orange); font: 900 clamp(1.05rem, 3vw, 1.55rem)/1.25 Monaco, "Courier New", monospace; }
.offlne-intro-page > p:not(.offlne-purchase) { max-width: 720px; margin: 0 auto; color: white; font: 700 1rem/1.65 Monaco, "Courier New", monospace; }
.offlne-benefits { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 20px; max-width: 900px; margin: 24px auto 0; padding: 0; list-style: none; color: white; font: 900 .78rem/1.4 Monaco, "Courier New", monospace; letter-spacing: .02em; }
.offlne-benefits li { display: flex; align-items: center; justify-content: center; gap: 10px; }
.offlne-benefits li::before { content: "●"; color: var(--orange); font-size: .55rem; }
.offlne-purchase { margin: 36px auto 0; color: var(--orange); font: 900 .84rem Monaco, "Courier New", monospace; letter-spacing: .1em; }
.offlne-intro-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; }

.chapters { margin-top: 60px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 15px; }
.section-heading h2, .catalog-bar h2 { margin: 5px 0 0; color: white; font: 900 clamp(1.45rem, 3vw, 2rem) Monaco, "Courier New", monospace; letter-spacing: -.05em; }
.availability-tools { display: flex; align-items: stretch; gap: 8px; }
.availability-key { min-height: 36px; display: flex; align-items: center; gap: 7px; padding: 0 11px; border: 1px solid #3f3f3f; color: var(--mid); background: #101010; font: 700 .52rem Monaco, "Courier New", monospace; white-space: nowrap; }
.availability-key b { color: var(--orange); }
.availability-key i { color: #555; font-style: normal; }
.edition-switcher { display: flex; border: 1px solid var(--orange); background: var(--black); }
.edition-option { min-height: 34px; padding: 0 12px; border: 0; border-right: 1px solid var(--orange); color: white; background: transparent; cursor: pointer; font: 700 .62rem Monaco, "Courier New", monospace; }
.edition-option:last-child { border-right: 0; }
.edition-option:hover { color: var(--black); background: var(--orange); }
.edition-option.is-selected { color: var(--black); background: var(--orange); }
.chapter-list { border-top: var(--border); }
.chapter-row { width: 100%; min-height: 68px; display: grid; grid-template-columns: 54px minmax(180px, .8fr) minmax(250px, 1.2fr) 62px 20px; align-items: center; gap: 16px; padding: 10px 12px; border: 0; border-bottom: 1px solid #333; color: var(--ink); background: transparent; text-align: left; cursor: pointer; }
.chapter-row:hover, .chapter-row:focus-visible { outline: 0; color: var(--black); background: var(--orange); }
.chapter-row:hover .chapter-description, .chapter-row:focus-visible .chapter-description { color: #2c1608; }
.chapter-row:hover .chapter-number, .chapter-row:focus-visible .chapter-number { color: var(--black); }
.chapter-row.is-library-help { margin-top: 12px; border-top: 1px solid var(--orange); }
.chapter-number { color: var(--red); font: 900 .77rem Monaco, "Courier New", monospace; }
.chapter-name { display: flex; align-items: center; gap: 9px; font: 900 .85rem Monaco, "Courier New", monospace; text-transform: uppercase; }
.chapter-description { color: var(--mid); font-size: .76rem; }
.chapter-count { text-align: right; color: var(--mid); font: .65rem Monaco, "Courier New", monospace; }
.chapter-count small { display: block; font-size: .48rem; }
.chapter-arrow { font: 900 1rem Monaco, monospace; }

.catalog { margin-top: 60px; scroll-margin-top: 80px; }
.library-home > .catalog { margin-top: 0; padding: 26px clamp(18px, 4vw, 42px) 34px; border-top: 1px solid var(--orange); background: #0a0a0a; }
.catalog-bar { display: grid; grid-template-columns: auto minmax(180px, 1fr) auto; align-items: end; gap: 20px; padding-bottom: 14px; border-bottom: var(--border); }
.back-button { align-self: center; padding: 8px 10px; border: 1px solid var(--orange); color: white; background: var(--black); cursor: pointer; font: 700 .62rem Monaco, "Courier New", monospace; }
.back-button:hover { color: var(--black); background: var(--orange); }
.catalog-controls { display: flex; align-items: end; gap: 10px; }
.catalog-controls label { color: var(--mid); font: 700 .59rem Monaco, "Courier New", monospace; }
select { display: block; margin-top: 4px; min-height: 34px; padding: 0 29px 0 8px; border: 1px solid var(--orange); border-radius: 0; color: white; background: var(--black); font: .68rem Geneva, Verdana, sans-serif; }
.answer-panel { margin-top: 18px; border: var(--border); background: var(--white); box-shadow: 4px 4px 0 var(--orange); }
.direct-answer { display: grid; grid-template-columns: 72px minmax(0, 1fr); }
.answer-marker { display: grid; place-items: center; min-height: 170px; color: var(--black); background: var(--orange); border-right: var(--border); font: 900 1.45rem Monaco, "Courier New", monospace; }
.direct-answer.place .answer-marker { color: var(--black); background: var(--yellow); }
.direct-answer.content .answer-marker { color: var(--black); background: var(--orange); }
.answer-copy { padding: 22px 24px; }
.answer-type { color: var(--red); font: 700 .6rem Monaco, "Courier New", monospace; letter-spacing: .12em; }
.answer-copy h3 { margin: 5px 0 0; color: white; font: 900 1.5rem/1.1 Monaco, "Courier New", monospace; text-transform: uppercase; letter-spacing: -.04em; }
.answer-label { color: var(--mid); font: .67rem Monaco, "Courier New", monospace; }
.answer-copy p { max-width: 760px; margin: 14px 0 11px; font-size: .88rem; }
.answer-copy code { display: block; margin-top: 12px; color: var(--mid); overflow-wrap: anywhere; font-size: .66rem; }
.answer-context { display: flex; flex-wrap: wrap; gap: 8px 20px; padding-top: 10px; border-top: 1px solid var(--grey); color: var(--mid); font: .63rem Monaco, "Courier New", monospace; }
.answer-context b { color: white; }
.answer-related { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; padding: 11px 13px; border-top: 1px solid var(--orange); background: var(--black); }
.answer-related > span { margin-right: 4px; color: var(--mid); font: 700 .56rem Monaco, "Courier New", monospace; }
.answer-related button { padding: 5px 8px; border: 1px solid var(--orange); color: white; background: #151515; cursor: pointer; font-size: .67rem; }
.answer-related button:hover { color: var(--black); background: var(--orange); }
.active-filters { min-height: 0; display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0; }
.active-filters:empty { margin: 0; }
.active-filters button { padding: 5px 8px; border: 1px solid var(--orange); color: var(--black); background: var(--orange); cursor: pointer; font: .62rem Monaco, "Courier New", monospace; }
.resource-list { border-top: 1px solid #333; }
.resource-card { min-height: 96px; display: grid; grid-template-columns: 46px minmax(170px, .72fr) minmax(260px, 1.28fr) 120px 20px; align-items: center; gap: 16px; padding: 13px 12px; border-bottom: 1px solid #333; background: var(--white); cursor: pointer; }
.resource-card:hover, .resource-card:focus-visible { outline: 0; box-shadow: inset 6px 0 0 var(--orange); background: #1b1b1b; }
.resource-index { color: var(--red); font: 900 .7rem Monaco, "Courier New", monospace; }
.resource-title .card-category { display: block; margin-bottom: 4px; color: var(--mid); font: 700 .55rem Monaco, "Courier New", monospace; letter-spacing: .06em; text-transform: uppercase; }
.resource-title h3 { margin: 0; display: flex; align-items: center; gap: 9px; font: 900 .8rem/1.25 Monaco, "Courier New", monospace; text-transform: uppercase; }
.resource-description { margin: 0; color: var(--mid); font-size: .74rem; }
.resource-meta { text-align: right; }
.resource-meta span { display: block; }
.resource-meta .format { color: var(--mid); font: .59rem Monaco, monospace; }
.status-pill, .edition-badge { display: inline-block; margin-top: 5px; padding: 3px 6px; color: var(--black); border: 1px solid var(--orange); background: var(--orange); font: 700 .54rem Monaco, "Courier New", monospace; text-transform: uppercase; }
.status-included { color: var(--black); background: var(--orange); }
.status-placeholder { background: var(--orange); }
.pack-dot { width: 10px; height: 10px; display: inline-block; flex: none; border-radius: 50%; border: 1px solid rgba(255,255,255,.8); vertical-align: middle; }
.pack-dot.is-packed { background: var(--pack-green); box-shadow: 0 0 0 2px rgba(53,201,111,.18); }
.pack-dot.is-online { background: var(--pack-red); box-shadow: 0 0 0 2px rgba(224,68,62,.18); }
.pack-state { display: inline-flex !important; align-items: center; gap: 5px; justify-content: flex-end; margin-top: 6px; color: var(--mid); font: 700 .54rem Monaco, "Courier New", monospace; }
.pack-state::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--pack-red); }
.pack-state.is-packed::before { background: var(--pack-green); }
.category-link-title { min-width: 0; display: flex; align-items: center; gap: 7px; }
.category-link-title .pack-dot { width: 8px; height: 8px; }
.resource-open { font: 900 1rem Monaco, monospace; }
.empty-state { padding: 58px 20px; text-align: center; border: 1px dashed var(--orange); background: var(--white); }
.empty-state > span { color: var(--red); font: 900 1rem Monaco, monospace; }
.empty-state h3 { margin: 12px 0 5px; font: 900 1rem Monaco, monospace; text-transform: uppercase; }
.empty-state p { color: var(--mid); }
.empty-state button { padding: 9px 12px; border: var(--border); color: white; background: var(--black); cursor: pointer; font: .65rem Monaco, monospace; }

dialog { width: min(860px, calc(100% - 28px)); max-height: calc(100vh - 28px); padding: 0; border: var(--border); border-radius: 0; color: var(--ink); background: var(--paper); box-shadow: 8px 8px 0 rgba(0,0,0,.8); overflow-y: auto; }
dialog::backdrop { background: rgba(0,0,0,.67); }
.dialog-titlebar { position: sticky; z-index: 2; top: 0; }
.dialog-titlebar form { justify-self: end; margin: 0; }
.dialog-close { background: var(--black); }
#dialogContent, .guide-content, .sources-content, .ai-content, .translator-content { padding: 28px; }
.offline-content { padding: 28px; }
.dialog-title-row { display: grid; grid-template-columns: 44px 1fr; gap: 15px; align-items: start; }
.dialog-symbol { width: 44px; height: 44px; display: grid; place-items: center; color: white; background: var(--red); border: var(--border); font: 900 .9rem Monaco, monospace; }
.dialog-title-row h2, .guide-content h2 { margin: 6px 0 0; font: 900 1.4rem/1.15 Monaco, "Courier New", monospace; text-transform: uppercase; letter-spacing: -.04em; }
.resource-preview-panel { margin: 24px 0 28px; border: 1px solid var(--orange); background: #0d0d0d; box-shadow: 4px 4px 0 var(--orange); }
.preview-heading { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 7px 10px; border-bottom: 1px solid var(--orange); color: var(--orange); font: 700 .61rem Monaco, "Courier New", monospace; letter-spacing: .08em; }
.file-availability { padding: 3px 6px; color: #bcbcb7; border: 1px solid #555; }
.file-availability.is-ready { color: var(--black); border-color: var(--orange); background: var(--orange); }
.preview-paper { max-height: 340px; padding: 22px 24px; overflow: auto; background: #141414; }
.preview-paper h3 { margin: 8px 0 13px; color: white; font: 900 1.05rem/1.25 Monaco, "Courier New", monospace; text-transform: uppercase; }
.preview-paper p { margin: 0; color: #d7d7d2; white-space: pre-wrap; font-size: .82rem; line-height: 1.65; }
.preview-format { color: var(--mid); overflow-wrap: anywhere; font: .61rem Monaco, "Courier New", monospace; }
.resource-action-bar { min-height: 52px; display: flex; align-items: center; gap: 14px; padding: 9px 10px; border-top: 1px solid #333; }
.resource-action-bar > span { color: var(--mid); font-size: .7rem; }
.resource-action { flex: none; padding: 9px 12px; border: 1px solid var(--orange); color: white; background: var(--black); text-decoration: none; font: 900 .65rem Monaco, "Courier New", monospace; }
.resource-action.primary, .resource-action:hover, .resource-action:focus-visible { color: var(--black); background: var(--orange); outline: 0; }
.resource-information { margin-bottom: 16px; }
.dialog-description { margin: 22px 0 14px; color: var(--mid); }
.dialog-badges { display: flex; gap: 6px; margin-bottom: 18px; }
.edition-badge { background: var(--orange); }
.metadata-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #333; border-left: 1px solid #333; }
.metadata-grid div { min-height: 72px; padding: 10px 12px; border-right: 1px solid #333; border-bottom: 1px solid #333; background: var(--white); }
.metadata-grid dt, .path-box span { color: var(--red); font: 700 .56rem Monaco, "Courier New", monospace; letter-spacing: .06em; text-transform: uppercase; }
.metadata-grid dd { margin: 4px 0 0; font-size: .76rem; }
.metadata-grid a { color: var(--ink); text-decoration-thickness: 2px; text-decoration-color: var(--red); }
.path-box { margin-top: 15px; padding: 12px; border: 1px solid var(--orange); background: var(--black); }
.path-box span { display: block; margin-bottom: 4px; }
.path-box code { overflow-wrap: anywhere; font-size: .72rem; }
.planned-note, .guide-note { margin: 14px 0 0; padding: 11px 13px; border-left: 6px solid var(--orange); color: var(--ink); background: #2a1306; font-size: .73rem; }
.guide-content > p { color: var(--mid); }
.guide-steps { margin: 22px 0; padding: 0; list-style: none; border-top: 1px solid #333; }
.guide-steps li { display: grid; grid-template-columns: 1fr 1.4fr; gap: 15px; padding: 11px 4px; border-bottom: 1px solid #333; font-size: .76rem; }
.guide-steps b { font-family: Monaco, "Courier New", monospace; text-transform: uppercase; }
.guide-steps span { color: var(--mid); }
.connection-readout { display: flex; align-items: center; gap: 13px; margin: 18px 0 24px; padding: 13px 14px; border: 1px solid var(--orange); background: var(--white); }
.connection-readout > i { width: 14px; height: 14px; flex: none; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 3px #713200; }
.offline-dialog.is-offline .connection-readout > i { background: #777; box-shadow: 0 0 0 3px #333; }
.connection-readout strong, .connection-readout span { display: block; }
.connection-readout strong { font: 900 .78rem Monaco, "Courier New", monospace; letter-spacing: .05em; }
.connection-readout span { margin-top: 3px; color: var(--mid); font-size: .72rem; }
.offline-content h2 { margin: 0 0 10px; font: 900 1.4rem/1.15 Monaco, "Courier New", monospace; text-transform: uppercase; letter-spacing: -.04em; }
.offline-content > p { color: var(--mid); }
.download-button { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 22px; padding: 15px 16px; border: 1px solid var(--orange); color: var(--black); background: var(--orange); text-decoration: none; font: 900 .75rem Monaco, "Courier New", monospace; }
.download-button:hover, .download-button:focus-visible { outline: 3px solid white; outline-offset: 3px; }
.download-button span { font-size: 1.1rem; }
.download-detail { margin: 8px 0 0; font: .62rem Monaco, "Courier New", monospace; }
.compact-steps { margin-bottom: 0; }
.time-content, .welcome-content, .pack-content { padding: 28px; }
.time-content h2, .welcome-content h2, .pack-content h2 { margin: 7px 0 12px; font: 900 1.5rem/1.15 Monaco, "Courier New", monospace; text-transform: uppercase; letter-spacing: -.04em; }
.large-clock { margin: 15px 0 24px; padding: 20px; border: 1px solid var(--orange); color: white; background: #111; text-align: center; font: 900 clamp(2rem, 8vw, 4rem)/1 Monaco, "Courier New", monospace; }
.field-label, .compact-field { display: block; color: var(--mid); font: 700 .68rem Monaco, "Courier New", monospace; letter-spacing: .05em; }
.field-label + select { width: 100%; min-height: 44px; margin-top: 7px; }
.dialog-action, .secondary-action { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; margin-top: 18px; padding: 10px 14px; border: 1px solid var(--orange); color: var(--black); background: var(--orange); cursor: pointer; text-decoration: none; font: 900 .68rem Monaco, "Courier New", monospace; }
.secondary-action { color: white; background: transparent; }
.dialog-action:hover, .dialog-action:focus-visible, .secondary-action:hover, .secondary-action:focus-visible { outline: 3px solid white; outline-offset: 2px; }
.welcome-content > p { color: var(--mid); }
.pack-explainer { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 22px 0; border: 1px solid #333; background: #333; }
.pack-explainer div { padding: 14px; background: #111; }
.pack-explainer strong, .pack-explainer span { display: block; }
.pack-explainer strong { color: var(--orange); font: 900 .72rem Monaco, "Courier New", monospace; }
.pack-explainer span { margin-top: 7px; color: var(--mid); font-size: .8rem; }
.welcome-note { margin: 16px 0 0; padding: 11px 13px; border-left: 5px solid var(--orange); color: var(--mid); background: #111; font-size: .78rem; }
.pack-account { margin-top: 18px; padding: 16px; border: 1px solid #333; background: #0d0d0d; }
.pack-account-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.pack-account-heading h3 { margin: 4px 0 0; color: white; font: 900 .88rem Monaco, "Courier New", monospace; }
.pack-account > p { margin: 10px 0 0; color: var(--mid); font-size: .76rem; }
.account-status { padding: 5px 7px; border: 1px solid #555; color: var(--mid); font: 700 .6rem Monaco, "Courier New", monospace; white-space: nowrap; }
.account-status.is-signed-in { border-color: var(--orange); color: var(--orange); }
.account-signed-in { margin-top: 13px; }
.account-signed-out { display: flex; justify-content: center; }
.account-signed-in .compact-field select { width: 100%; margin-top: 7px; }
.account-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.account-actions .dialog-action, .account-actions .secondary-action { margin-top: 10px; }
.account-signed-out .secondary-action { margin-top: 18px; }
.pack-email-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: end; margin-top: 15px; padding-top: 14px; border-top: 1px solid #333; }
.pack-email-row input { width: 100%; min-height: 42px; margin-top: 7px; padding: 9px 10px; border: 1px solid var(--orange); border-radius: 0; color: white; background: #111; font: .8rem Geneva, Verdana, sans-serif; }
.pack-email-row .secondary-action { margin-top: 0; }
.account-note { font-size: .68rem !important; }
.account-note.is-error { color: #ff9a7a; }
.dialog-actions, .pack-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.pack-builder-head { display: flex; align-items: end; justify-content: space-between; gap: 18px; }
.compact-field select { min-width: 130px; }
.capacity-meter { height: 14px; margin-top: 20px; border: 1px solid var(--orange); background: #111; }
.capacity-meter span { width: 0; height: 100%; display: block; background: var(--orange); transition: width .18s ease; }
.capacity-meter.is-over span { background: white; }
.capacity-copy { display: flex; justify-content: space-between; gap: 20px; margin-top: 7px; color: var(--mid); font: .68rem Monaco, "Courier New", monospace; }
.capacity-copy strong { color: white; }
.pack-selection { margin-top: 18px; padding: 16px; border: 1px solid #3d3d3d; background: #0c0c0c; }
.pack-selection-heading { padding-bottom: 13px; border-bottom: 1px solid var(--orange); }
.pack-selection-heading h3 { margin: 4px 0 6px; color: white; font: 900 1rem Monaco, "Courier New", monospace; }
.pack-selection-heading p { margin: 0; color: var(--mid); font-size: .72rem; }
.pack-pricing { margin-top: 18px; padding: 16px; border: 1px solid var(--orange); background: #111; }
.pack-pricing-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.pack-pricing h3 { margin: 4px 0 0; color: white; font: 900 .88rem Monaco, "Courier New", monospace; }
.pricing-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; margin-top: 14px; border: 1px solid #333; background: #333; }
.price-tier { width: 100%; min-height: 74px; padding: 11px; border: 0; color: inherit; background: #080808; cursor: pointer; text-align: left; transition: color .12s ease, background .12s ease, outline-color .12s ease; }
.price-tier strong, .price-tier span { display: block; }
.price-tier strong { color: var(--mid); font: 700 .6rem/1.3 Monaco, "Courier New", monospace; }
.price-tier span { margin-top: 8px; color: white; font: 900 .9rem Monaco, "Courier New", monospace; }
.price-tier del { color: #777; font-weight: 500; }
.price-tier.is-current { outline: 2px solid var(--orange); outline-offset: -2px; background: #221006; }
.price-tier.is-unlocked span { color: var(--orange); }
.price-tier:hover, .price-tier:focus-visible { color: var(--black); background: var(--orange); outline: 2px solid white; outline-offset: -2px; }
.price-tier:hover strong, .price-tier:hover span, .price-tier:hover del, .price-tier:focus-visible strong, .price-tier:focus-visible span, .price-tier:focus-visible del { color: var(--black); }
.eink-coming-soon { position: relative; margin-top: 14px; padding: 18px 20px; display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 20px; align-items: center; overflow: hidden; border: 1px solid #3c3c3c; background: repeating-linear-gradient(0deg, #0a0a0a 0, #0a0a0a 3px, #0e0e0e 4px); }
.eink-coming-soon::after { content: "COMING SOON"; position: absolute; right: -27px; top: 17px; width: 120px; padding: 4px 0; transform: rotate(42deg); color: var(--black); background: var(--orange); font: 900 .52rem Monaco, "Courier New", monospace; text-align: center; letter-spacing: .09em; }
.eink-coming-copy h3 { margin: 5px 45px 0 0; color: white; font: 900 clamp(.86rem, 1.6vw, 1.06rem)/1.25 Monaco, "Courier New", monospace; letter-spacing: -.02em; }
.eink-coming-copy p { max-width: 620px; margin: 8px 42px 0 0; color: var(--mid); font-size: .72rem; line-height: 1.55; }
.eink-orbit { position: relative; width: 92px; height: 92px; display: grid; place-items: center; perspective: 420px; }
.eink-orbit-line { position: absolute; inset: 5px; border: 1px dashed var(--orange); border-radius: 50%; opacity: .7; animation: eink-orbit-spin 7s linear infinite; }
.eink-orbit-line::before, .eink-orbit-line::after { content: ""; position: absolute; inset: 13px -6px; border: 1px solid #3c3c3c; border-radius: 50%; transform: rotate(58deg); }
.eink-orbit-line::after { transform: rotate(-58deg); }
.eink-orbit-dot { position: absolute; z-index: 2; width: 7px; height: 7px; left: 8px; top: 19px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 10px #ff6a00; animation: eink-dot-pulse 1.4s steps(2, end) infinite; }
.eink-book { position: relative; z-index: 1; width: 45px; height: 60px; transform-style: preserve-3d; animation: eink-book-spin 6s linear infinite; }
.eink-book-screen { position: absolute; inset: 0; padding: 7px 4px 5px 7px; display: flex; flex-direction: column; justify-content: space-between; border: 3px solid #ded9c8; border-left-width: 5px; color: #111; background: #bbb8a7; box-shadow: inset 0 0 0 2px #252525, 4px 5px 0 #050505; font-family: Monaco, "Courier New", monospace; }
.eink-book-screen b { font-size: .43rem; letter-spacing: -.05em; }
.eink-book-screen small { align-self: center; padding: 2px; border: 1px solid #222; font-size: .35rem; }
.eink-book-screen i { color: var(--orange); font-size: .85rem; font-style: normal; line-height: .7; }
.eink-book-spine { position: absolute; left: -5px; top: 5px; bottom: -5px; width: 6px; transform: rotateY(75deg); transform-origin: right; background: var(--orange); }
@keyframes eink-book-spin { 0% { transform: rotateY(0deg) rotateX(-4deg); } 50% { transform: rotateY(180deg) rotateX(4deg); } 100% { transform: rotateY(360deg) rotateX(-4deg); } }
@keyframes eink-orbit-spin { to { transform: rotate(360deg); } }
@keyframes eink-dot-pulse { 50% { opacity: .35; transform: scale(.72); } }
.pack-resource-list { max-height: 48vh; margin-top: 12px; overflow-y: auto; border-top: 1px solid #333; }
.pack-category-heading { position: sticky; top: 0; z-index: 1; padding: 8px 9px; display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--orange); color: var(--orange); background: var(--black); font: 900 .68rem Monaco, "Courier New", monospace; text-transform: uppercase; }
.pack-category-heading small { margin-left: auto; color: var(--mid); }
.pack-resource { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 10px 8px; border-bottom: 1px solid #2d2d2d; cursor: pointer; }
.pack-resource:hover { background: #171717; }
.pack-resource input { width: 17px; height: 17px; accent-color: var(--orange); }
.pack-resource strong, .pack-resource small { display: block; }
.pack-resource strong { display: flex; align-items: center; gap: 8px; font-size: .8rem; }
.pack-resource small { margin-top: 2px; color: var(--mid); font-size: .7rem; }
.pack-resource-meta { text-align: right; color: var(--mid); font: .65rem Monaco, "Courier New", monospace; }
.pack-resource-meta b { display: block; color: var(--pack-red); }
.pack-resource-meta b.is-packed { color: var(--pack-green); }
.pack-footer { justify-content: flex-end; padding-top: 4px; }
.sources-content > p, .ai-intro { color: var(--mid); }
.sources-content h2, .ai-content h2 { margin: 7px 0 12px; font: 900 1.5rem/1.15 Monaco, "Courier New", monospace; text-transform: uppercase; letter-spacing: -.04em; }
.source-directory { margin-top: 22px; border-top: 1px solid var(--orange); }
.source-category { display: grid; grid-template-columns: minmax(190px, .55fr) 1fr; gap: 22px; padding: 15px 4px; border-bottom: 1px solid #333; }
.source-category h3 { margin: 0; color: white; font: 900 .78rem/1.4 Monaco, "Courier New", monospace; text-transform: uppercase; }
.source-category h3 span { margin-right: 9px; color: var(--orange); }
.source-category ul { margin: 0; padding: 0; list-style: none; }
.source-category li { display: flex; align-items: start; gap: 9px; margin-bottom: 8px; }
.source-category li .pack-dot { margin-top: 4px; }
.source-category a { color: white; text-decoration-color: var(--orange); }
.source-category small { display: block; margin-top: 2px; color: var(--mid); font-size: .66rem; }
.ai-content textarea { width: 100%; margin-top: 7px; padding: 12px; resize: vertical; border: 1px solid var(--orange); border-radius: 0; color: white; background: #101010; font: .85rem/1.5 Geneva, Verdana, sans-serif; }
.ai-controls { display: flex; flex-wrap: wrap; gap: 10px; }
.ai-status { margin-top: 18px; padding: 8px 10px; border: 1px solid #333; color: var(--orange); background: #101010; font: 700 .64rem Monaco, "Courier New", monospace; }
.ai-progress { height: 10px; margin-top: 7px; border: 1px solid var(--orange); background: #111; }
.ai-progress span { width: 0; height: 100%; display: block; background: var(--orange); }
.ai-answer { margin-top: 14px; padding: 18px; border: 1px solid var(--orange); background: #111; }
.ai-answer h3 { margin-bottom: 10px; font: 900 1rem Monaco, "Courier New", monospace; text-transform: uppercase; }
.ai-answer p { margin: 0 0 12px; white-space: pre-wrap; }
.ai-sources { display: grid; gap: 7px; padding-top: 12px; border-top: 1px solid #333; }
.ai-source { width: 100%; padding: 8px 9px; border: 1px solid #3c3c3c; color: white; background: #171717; text-align: left; cursor: pointer; font-size: .73rem; }
.ai-source:hover { color: var(--black); border-color: var(--orange); background: var(--orange); }
.ai-caution { margin: 14px 0 0; color: var(--mid); font-size: .7rem; }
.translator-content h2 { margin: 7px 0 12px; font: 900 1.5rem/1.15 Monaco, "Courier New", monospace; text-transform: uppercase; letter-spacing: -.04em; }
.translator-intro { color: var(--mid); }
.translator-language-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: end; margin: 22px 0; }
.translator-language-row select { width: 100%; min-height: 44px; margin-top: 7px; }
.translator-swap { width: 44px; height: 44px; border: 1px solid var(--orange); color: var(--orange); background: #111; cursor: pointer; font: 900 1.1rem Monaco, monospace; }
.translator-swap:hover, .translator-swap:focus-visible { color: var(--black); background: var(--orange); outline: 0; }
.translator-content textarea { width: 100%; margin: 7px 0 17px; padding: 13px; resize: vertical; border: 1px solid var(--orange); border-radius: 0; color: white; background: #101010; font: 1rem/1.55 Geneva, Verdana, sans-serif; }
.translator-content textarea[readonly] { min-height: 120px; color: #f5f5f2; background: #151515; }
.translator-controls { display: flex; flex-wrap: wrap; gap: 10px; margin: -14px 0 16px; }
.translator-controls .dialog-action, .translator-controls .secondary-action { margin-top: 0; }
.scrim { position: fixed; z-index: 29; inset: 0; background: rgba(0,0,0,.62); }

@media (max-width: 900px) {
  .app-shell, body.sidebar-collapsed .app-shell { display: block; }
  .sidebar { position: fixed; inset: 0 auto 0 0; transform: translateX(-105%); opacity: 1; pointer-events: auto; }
  .sidebar.is-open { transform: translateX(0); }
  body.sidebar-collapsed .sidebar { transform: translateX(-105%); opacity: 1; pointer-events: auto; }
  .chapter-row { grid-template-columns: 44px minmax(170px, .8fr) minmax(220px, 1.2fr) 48px 16px; gap: 10px; }
  .resource-card { grid-template-columns: 38px minmax(170px, .8fr) minmax(210px, 1.2fr) 105px 16px; gap: 10px; }
}

@media (max-width: 660px) {
  .topbar { padding-inline: 12px; }
  .topbar-name span, kbd { display: none; }
  .topbar { gap: 7px; }
  .connection-button { margin-left: auto; }
  .connection-button span, .pack-button, .translate-button { display: none; }
  .connection-button { padding-inline: 7px; }
  main { padding: 22px 14px 52px; }
  .home-body { padding: 28px 18px; }
  .offlne-intro-page { padding: 36px 20px 30px; }
  .offlne-intro-page > p:not(.offlne-purchase) { font-size: .9rem; }
  .offlne-benefits { grid-template-columns: 1fr; gap: 12px; }
  .offlne-intro-actions > * { width: 100%; text-align: center; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.5rem); }
  .search-wrap { height: 56px; }
  .search-number { width: 48px; }
  .ask-ai-button { padding-inline: 9px; font-size: .55rem; }
  .section-heading { align-items: start; flex-direction: column; }
  .availability-tools { width: 100%; flex-direction: column; }
  .availability-key { width: 100%; justify-content: center; white-space: normal; text-align: center; }
  .edition-switcher { align-self: stretch; }
  .edition-option { flex: 1; }
  .chapter-row { grid-template-columns: 38px 1fr 20px; min-height: 62px; }
  .chapter-description, .chapter-count { display: none; }
  .resource-card { grid-template-columns: 32px 1fr 18px; min-height: 78px; }
  .resource-description, .resource-meta { display: none; }
  .catalog-bar { grid-template-columns: auto 1fr; align-items: center; }
  .catalog-controls { grid-column: 1 / -1; width: 100%; }
  .catalog-controls label { flex: 1; }
  select { width: 100%; }
  .metadata-grid { grid-template-columns: 1fr; }
  .resource-action-bar { align-items: stretch; flex-direction: column; }
  .resource-action { text-align: center; }
  .guide-steps li { grid-template-columns: 1fr; gap: 3px; }
  .pack-explainer { grid-template-columns: 1fr; }
  .pack-builder-head, .capacity-copy { align-items: stretch; flex-direction: column; gap: 8px; }
  .pack-pricing-head { align-items: stretch; flex-direction: column; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .eink-coming-soon { grid-template-columns: 82px minmax(0, 1fr); gap: 12px; padding: 15px 14px; }
  .eink-orbit { width: 74px; height: 74px; transform: scale(.88); }
  .eink-coming-copy h3, .eink-coming-copy p { margin-right: 28px; }
  .pack-account-heading { align-items: stretch; flex-direction: column; }
  .account-status { align-self: start; }
  .pack-email-row { grid-template-columns: 1fr; }
  .compact-field select { width: 100%; }
  .pack-resource { grid-template-columns: 22px minmax(0, 1fr); }
  .pack-resource-meta { grid-column: 2; text-align: left; }
  .direct-answer { grid-template-columns: 48px minmax(0, 1fr); }
  .answer-marker { min-height: 150px; font-size: 1rem; }
  .answer-copy { padding: 18px 15px; }
  .answer-copy h3 { font-size: 1.15rem; }
  .source-category { grid-template-columns: 1fr; gap: 8px; }
  .translator-language-row { grid-template-columns: 1fr 44px; }
  .translator-language-row label:last-child { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
  .eink-orbit-line, .eink-orbit-dot, .eink-book { animation: none !important; }
}