@font-face { font-family: 'Cormorant Garamond'; font-style: normal; font-weight: 400; font-display: swap; src: url('/assets/fonts/cormorant-garamond-regular.ttf') format('truetype'); }
@font-face { font-family: 'Onest'; font-style: normal; font-weight: 400; font-display: swap; src: url('/assets/fonts/onest-regular.ttf') format('truetype'); }
:root {
  color-scheme: dark;
  --ground: #050C10;
  --nav: #071116;
  --panel: #071116;
  --panel-raised: #0D181E;
  --line: #1A303A;
  --line-strong: #4E6A7B;
  --ink: #EEE9E5;
  --muted: #A1B0BE;
  --subtle: #A1B0BE;
  --gold: #D8A26C;
  --gold-soft: #EDBF86;
  --blue: #82A5B6;
  --green: #20CEA0;
  --red: #F04C49;
  --neutral: #263944;
  --partial: #F2AC6C;
  --on-accent: #21180E;
  --accent-surface: color-mix(in srgb, var(--gold) 10%, var(--panel));
  --accent-border: color-mix(in srgb, var(--gold) 55%, var(--line));
  --success-surface: color-mix(in srgb, var(--green) 8%, var(--panel));
  --error-surface: color-mix(in srgb, var(--red) 8%, var(--panel));
  --border: var(--line);
  --accent: var(--gold);
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: "Onest", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --header-height: 78px;
  --sidebar-width: 260px;
  --overlay: color-mix(in srgb, var(--ground) 76%, transparent);
}
* { box-sizing: border-box; }
html { min-width: 320px; background: var(--ground); }
/* The interface renders at 90% on desktop (accepted 29.10.2026): the owner prefers the
   denser look of browser zoom 90%. Viewport heights divide by --ui-zoom so full-height
   layouts still fill the screen. Phones keep 100% for legible text. */
:root { --ui-zoom: 1; }
@media (min-width: 1024px) { :root { --ui-zoom: .9; } html { zoom: var(--ui-zoom); } }
/* Canvas widgets compute pointer positions themselves; they run at an effective zoom of 1
   so a click on the duel map or the knowledge graph lands where the pointer is. */
.interactive-map, .kg-canvas { zoom: calc(1 / var(--ui-zoom, 1)); }
body { margin: 0; color: var(--ink); background: var(--ground); background-image: linear-gradient(90deg, color-mix(in srgb,var(--ground) 36.08%,transparent) 0%, color-mix(in srgb,var(--ground) 45.10%,transparent) 16%, color-mix(in srgb,var(--ground) 70.20%,transparent) 28%, color-mix(in srgb,var(--ground) 54.90%,transparent) 70%, color-mix(in srgb,var(--ground) 30.20%,transparent) 100%), url('/assets/harbor-background.webp'); background-position: center center; background-size: cover; background-attachment: fixed; font: 16px/1.6 var(--sans); }
body::before { position: fixed; inset: 0; z-index: -1; content: ""; background: linear-gradient(90deg, color-mix(in srgb,var(--ground) 10.20%,transparent), color-mix(in srgb,var(--ground) 15.69%,transparent) 45%, color-mix(in srgb,var(--ground) 6.27%,transparent)); pointer-events: none; }
body[data-page='settings'], body[data-page='library'], body[data-page='reviews'] { background-image: linear-gradient(color-mix(in srgb,var(--ground) 51.37%,transparent), color-mix(in srgb,var(--ground) 47.06%,transparent)), url('/assets/harbor-background.webp'); }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .42; }
button, a, input, textarea, select, summary { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, summary:focus-visible { outline: 2px solid var(--gold-soft); outline-offset: 4px; }
a { color: var(--muted); text-decoration-color: color-mix(in srgb, var(--muted) 60%, transparent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--gold-soft); text-decoration-color: currentColor; }
button svg { flex-shrink: 0; }
button, a, summary, [role="button"], select, input, textarea { touch-action: manipulation; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3, .serif { font-family: var(--serif); font-weight: 400; }
h1, h2, h3 { text-wrap: balance; }
h1 { margin-bottom: 10px; font-size: clamp(36px, 4.4vw, 52px); letter-spacing: -.025em; line-height: 1.1; }
h2 { margin-bottom: 14px; font-size: 28px; line-height: 1.22; letter-spacing: -.01em; }
h3 { margin-bottom: 8px; font-size: 21px; line-height: 1.3; }
p { margin-bottom: 16px; text-wrap: pretty; }
.shell { min-height: calc(100vh / var(--ui-zoom, 1)); padding-top: var(--header-height); }
.skip-link { position:fixed; top:8px; left:8px; z-index:100; padding:10px 14px; color:var(--on-accent); border:1px solid var(--gold-soft); border-radius:6px; background:var(--gold-soft); font-size:14px; transform:translateY(calc(-100% - 16px)); transition:transform .16s ease; }
.skip-link:focus-visible { transform:translateY(0); }
.topbar { height: var(--header-height); position: fixed; inset: 0 0 auto; z-index: 20; display: flex; align-items: stretch; border-bottom: 1px solid color-mix(in srgb,var(--line) 60.00%,transparent); background: color-mix(in srgb,var(--ground) 96.08%,transparent); }
.brand { display: flex; flex-shrink: 0; align-items: center; gap: 17px; width: 267px; padding: 14px 32px; border-right: 1px solid color-mix(in srgb,var(--line) 33.33%,transparent); color: var(--ink); text-decoration: none; }
.brand-mark { display: flex; color: var(--gold-soft); }
.brand-copy { font: 29px/.95 var(--serif); letter-spacing: -.025em; }
.brand-copy span { display: block; }
.topnav { display: flex; align-items: stretch; gap: 28px; padding-left: 36px; }
.topnav-link { position: relative; display:flex; align-items:center; padding: 0 4px; border: 0; color: var(--muted); background: transparent; font: 15px var(--sans); text-decoration:none; }
.topnav-link.active { color: var(--ink); }
.topnav-link.active::after { content: ""; position: absolute; bottom: 8px; left: 0; right: 0; height: 2px; background: var(--gold-soft); }
.topnav-link:hover { color: var(--ink); }
.topbar-tools { display: flex; align-items: center; gap: 25px; margin-left: auto; padding: 0 32px 0 24px; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 40px; padding: 0; color: var(--muted); border: 0; background: transparent; }
.icon-button:hover { color: var(--ink); }
.topbar-profile { display: flex; align-items: center; gap: 18px; padding: 0; color: var(--ink); border: 0; background: transparent; text-decoration:none; }
.avatar { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; overflow: hidden; border: 1px solid var(--accent-border); border-radius: 50%; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.topbar-rating { display: flex; align-items: baseline; gap: 13px; }
.topbar-rating small { color: var(--muted); font-size: 13px; }
.topbar-rating strong { font: 24px var(--serif); }
.sidebar { position: fixed; top: var(--header-height); left: 0; bottom: 0; z-index: 6; width: var(--sidebar-width); display: flex; flex-direction: column; border-right: 1px solid color-mix(in srgb,var(--line) 53.33%,transparent); border-top-right-radius: 13px; background: linear-gradient(color-mix(in srgb,var(--ground) 90.98%,transparent) 0%, color-mix(in srgb,var(--ground) 78.82%,transparent) 33%, color-mix(in srgb,var(--ground) 6.27%,transparent) 60%, color-mix(in srgb,var(--ground) 43.92%,transparent) 100%); }
.context-nav { padding: 30px 18px; }
.nav-caption { margin: 0 14px 12px; color: var(--subtle); font-size: 13px; }
.context-link { display: flex; align-items: center; gap: 13px; width: 100%; min-height: 47px; padding: 10px 13px; color: var(--muted); border: 0; border-left: 1px solid transparent; border-radius: 7px; background: transparent; text-align: left; font-size: 13px; text-decoration:none; }
.context-link svg { width: 21px; height: 21px; flex-shrink: 0; }
.context-link:hover { background: color-mix(in srgb,var(--panel-raised) 40.00%,transparent); color: var(--ink); }
.context-link.active { color: var(--gold-soft); border-left-color: var(--gold-soft); background: color-mix(in srgb,var(--gold) 7.84%,transparent); }
.context-link.active svg { color: var(--gold-soft); }
.context-link.is-topic-context { color: var(--gold-soft); border: 1px solid var(--accent-border); }
.context-link.is-topic-context svg { color: var(--gold-soft); }
.context-link.is-topic-context > svg:last-child { margin-left: auto; color: var(--muted); }
.nav-divider { margin: 20px 0 23px; height: 1px; background: color-mix(in srgb,var(--line) 46.67%,transparent); }
.sidebar-quote { max-width: 170px; margin: auto 25px 34px 34px; color: var(--muted); text-shadow: 0 2px 4px #000; }
.sidebar-quote-text { margin: 0; font: italic 16px/1.45 var(--serif); }
.sidebar-quote-author { display: block; margin-top: 11px; color: var(--subtle); font: normal 12px/1.4 var(--sans); letter-spacing: .02em; }
.main { margin-left: var(--sidebar-width); padding: 36px clamp(24px, 3.4vw, 52px) 54px; min-width: 0; }
.main-inner { width: min(1480px, 100%); margin: 0 auto; }
.mobile-nav { display: none; }
.topline { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.lede { color: var(--muted); max-width: 750px; font-size: 16px; }
.eyebrow { color: var(--muted); font-size: 12px; letter-spacing: 0; }
.section { margin-top: 28px; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 16px; }
.section-head h2 { margin: 0; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.panel, .stat { padding: 24px; border: 1px solid color-mix(in srgb,var(--line) 66.67%,transparent); border-radius: 11px; background: color-mix(in srgb,var(--panel) 86.67%,transparent); }
.panel.inset { padding: 18px; background: color-mix(in srgb,var(--ground) 53.33%,transparent); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 10px 20px; border: 1px solid var(--line-strong); border-radius: 7px; color: var(--ink); background: color-mix(in srgb,var(--ground) 70.20%,transparent); text-decoration: none; font-weight: 400; transition: background .16s, border-color .16s; }
.btn:hover:not(:disabled) { border-color: var(--line-strong); background: var(--panel-raised); }
.btn.primary { color: var(--on-accent); border-color: color-mix(in srgb,var(--gold-soft) 66.67%,transparent); background: linear-gradient(var(--gold-soft), var(--gold)); }
.btn.primary:hover:not(:disabled) { background: var(--gold-soft); }
.btn.small { min-height: 38px; padding: 8px 14px; font-size: 13px; }
.btn.danger { color: var(--red); border-color: var(--accent-border); }
.muted { color: var(--muted); }
.small-text { font-size: 13px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat strong { display: block; font: 36px var(--serif); }
.stat span { color: var(--muted); font-size: 13px; }
.field { display: grid; gap: 8px; margin: 14px 0; }
.field label { color: var(--muted); font-size: 14px; }
.field input, .field textarea, .field select, .input { min-height: 44px; width: 100%; padding: 10px 13px; color: var(--ink); border: 1px solid var(--line); border-radius: 7px; background: color-mix(in srgb,var(--ground) 70.20%,transparent); }
.field textarea { min-height: 126px; resize: vertical; line-height: 1.6; }
.field select, select.input { background-color: var(--panel); color: var(--ink); }
input::placeholder, textarea::placeholder { color: var(--subtle); opacity: 1; }
.notice { padding: 14px 18px; color: var(--muted); border-left: 2px solid var(--gold); border-radius: 0 6px 6px 0; background: color-mix(in srgb,var(--panel) 93.33%,transparent); font-size: 14px; }
.toast { position: fixed; right: 24px; bottom: 24px; z-index: 100; max-width: min(400px, calc(100vw - 40px)); padding: 15px 18px; border: 1px solid var(--line-strong); border-radius: 8px; color: var(--ink); background: color-mix(in srgb,var(--panel) 96.08%,transparent); font-size: 14px; }
.toast.error { border-color: var(--red); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 14px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.table th { color: var(--muted); font-size: 13px; font-weight: 400; }
.badge { display: inline-block; padding: 5px 9px; border: 1px solid var(--line); border-radius: 6px; color: var(--gold-soft); background: color-mix(in srgb,var(--panel-raised) 53.33%,transparent); font-size: 12px; }
.empty { padding: 26px; border: 1px solid color-mix(in srgb,var(--line) 60.00%,transparent); border-radius: 10px; background: color-mix(in srgb,var(--ground) 78.82%,transparent); color: var(--muted); text-align: center; }
.options { display: grid; gap: 12px; }
.option { display: flex; align-items: center; gap: 13px; width: 100%; padding: 16px; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; background: color-mix(in srgb,var(--ground) 66.67%,transparent); }
.option.selected { border-color: var(--gold); background: color-mix(in srgb,var(--gold) 7.06%,transparent); }
.option input { accent-color: var(--gold); }
.option img { width: 60px; height: 48px; object-fit: cover; }
.clues { display: grid; gap: 12px; margin-bottom: 20px; }
.clue { padding: 12px 16px; border-left: 1px solid var(--gold); background: color-mix(in srgb,var(--panel) 72.16%,transparent); color: var(--muted); }
.map { width: 100%; aspect-ratio: 1.6; margin: 12px 0; border: 1px solid var(--accent-border); border-radius: 9px; background: #38515b; cursor: crosshair; }
.map .land { fill: var(--map-land-fill, #b9a477); stroke: #e1c89c; stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.map .land-layer { pointer-events: none; }
.map .gridline { stroke: #c9be9e; stroke-width: .5; opacity: .2; stroke-dasharray: 3 5; }
.map .marker { fill: var(--ink); stroke: var(--gold); stroke-width: 4; }
.map-label { fill: var(--ink); font: 13px var(--serif); letter-spacing: .02em; }
.timer { font-variant-numeric: tabular-nums; }
.review-result { margin-top: 18px; padding: 18px; border: 1px solid var(--line); background: var(--ground); }
.timeline { position: relative; display: grid; margin: 26px 0; }
.timeline::before { content: ""; position: absolute; top: 5px; bottom: 5px; left: 83px; width: 1px; background: color-mix(in srgb,var(--gold) 33.33%,transparent); }
.event { position: relative; display: grid; grid-template-columns: 68px 1fr; gap: 30px; padding-bottom: 26px; }
.event::before { content: ""; position: absolute; top: 8px; left: 79px; width: 9px; height: 9px; border: 1px solid var(--gold); border-radius: 50%; background: var(--ground); }
.event-year { color: var(--gold-soft); text-align: right; font-variant-numeric: tabular-nums; }
.event-title-button { padding: 0; border: 0; background: transparent; color: var(--ink); font: 23px/1.3 var(--serif); text-align: left; }
.event-title-button:hover, .event-title-button[aria-pressed='true'] { color: var(--gold-soft); }
.relation-edge { stroke: #a8916e; stroke-width: 1.5; }
.relation-label { fill: var(--muted); font: 12px var(--sans); text-anchor: middle; paint-order: stroke; stroke: var(--ground); stroke-width: 4px; }
.study-node { cursor: pointer; }
.study-node text { fill: var(--ink); font: 13px var(--sans); }
.study-node .node-dot { fill: var(--gold); stroke: var(--ground); stroke-width: 1px; }
.study-node.selected .node-dot, .study-node:focus-visible .node-dot { stroke: var(--gold-soft); stroke-width: 3px; }
.study-node:focus-visible { outline: none; }
.search-dialog { width: min(560px, calc(100vw - 32px)); max-height: calc(80vh / var(--ui-zoom, 1)); overscroll-behavior: contain; padding: 28px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: var(--panel); }
.search-dialog::backdrop { background: var(--overlay); backdrop-filter: blur(3px); }
.search-results { display: grid; gap: 8px; margin-top: 18px; }
.search-result { padding: 16px; border: 1px solid var(--line); border-radius: 6px; color: var(--ink); background: var(--ground); text-align: left; }
.auth-shell { min-height: calc(100vh / var(--ui-zoom, 1)); display: grid; grid-template-columns: 1.1fr 1fr; }
.auth-aside { display: flex; flex-direction: column; padding: 48px clamp(32px, 5vw, 90px); }
.auth-aside .brand { padding: 0; border: 0; }
.auth-main { display: grid; place-items: center; padding: 40px; }
.auth-form { width: min(420px, 100%); }
.auth-tabs { display: flex; gap: 24px; margin: 24px 0; border-bottom: 1px solid var(--line); }
.auth-tabs button { padding: 10px 0; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); }
.auth-tabs button.active { border-bottom-color: var(--gold); color: var(--ink); }
.history-list { display: grid; gap: 16px; }
.history-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px; border: 1px solid var(--line); border-radius: 10px; background: color-mix(in srgb,var(--panel) 90.98%,transparent); }
.history-row h3 { margin-bottom: 6px; }
@media (max-width: 1180px) {
  .brand { width: 232px; padding: 14px 22px; gap: 14px; }
  .brand-copy { font-size: 26px; }
  .topnav { gap: 18px; padding-left: 24px; }
  .topbar-tools { gap: 14px; padding-right: 24px; }
  .main { padding: 30px 28px 44px; }
}
@media (max-width: 960px) {
  .topnav { gap: 12px; padding-left: 18px; }
  .topnav-link { font-size: 13px; }
  .topbar-tools > .icon-button { display: none; }
  .topbar-tools { padding-left: 12px; }
  .topbar-rating small { display: none; }
  .topbar-profile { gap: 10px; }
}
@media (max-width: 760px) {
  :root { --header-height: 70px; --sidebar-width: 0px; }
  body { background-position: 60% center; }
  .shell { padding-bottom: 80px; }
  .brand { width: auto; gap: 10px; padding: 12px 18px; border: 0; }
  .brand-mark svg { width: 32px; height: 32px; }
  .brand-copy { font-size: 23px; }
  .topnav, .sidebar { display: none; }
  .topbar-tools { padding-right: 18px; }
  .topbar-profile .avatar { width: 40px; height: 40px; }
  .topbar-tools > .icon-button:first-child { display: inline-flex; width: 44px; height: 44px; }
  .topbar-rating strong { font-size: 21px; }
  .main { padding: 25px 18px 32px; margin-left: 0; }
  .main-inner { max-width: 100%; }
  .mobile-nav { display: flex; justify-content: space-around; position: fixed; bottom: 0; left: 0; right: 0; z-index: 25; padding: 10px 4px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid color-mix(in srgb,var(--line) 73.33%,transparent); background: color-mix(in srgb,var(--ground) 96.08%,transparent); }
  .mobile-nav-link { display: grid; justify-items: center; gap: 5px; padding: 5px; color: var(--muted); border: 0; background: transparent; font-size: 12px; line-height: 1.2; text-decoration:none; }
  .mobile-nav-link.active { color: var(--gold-soft); }
  .topline { margin-bottom: 24px; }
  .grid.two, .grid.three { grid-template-columns: 1fr; }
  h1 { font-size: 38px; }
  h2 { font-size: 26px; }
  .panel { padding: 20px; }
  .stat-row { gap: 8px; }
  .stat { padding: 14px; }
  .stat strong { font-size: 28px; }
  .toast { bottom: 86px; right: 16px; }
  .auth-shell { display: block; }
  .auth-aside { min-height: 290px; padding: 25px 24px; }
  .auth-main { padding: 28px 24px; background: color-mix(in srgb,var(--ground) 79.22%,transparent); }
  .history-row { align-items: start; flex-direction: column; gap: 10px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* Contemporary Historical Minimalism: neutral canvas, isolated historical sidebar. */
body, body[data-page] { background:var(--ground); }
body::before { display:none; }
.topbar { background:var(--nav); border-color:var(--line); }
.brand { width:310px; padding:16px 32px; gap:14px; border-right:0; }
.brand-copy { font-size:27px; white-space:nowrap; }
.brand-copy span { display:inline; }
.brand-copy span + span::before { content:" "; }
.brand-mark svg { width:35px;height:35px; }
.sidebar { background:var(--nav); border-color:var(--line); border-radius:0; isolation:isolate; }
.sidebar-bust { position:absolute; inset:0 0 150px; z-index:-1; background:url('/assets/harbor-background.webp') no-repeat left -330px / 1720px auto; opacity:.55; filter:saturate(.35); mask-image:linear-gradient(to bottom,transparent,black 12%,black 68%,transparent); }
.sidebar-bust::after { content:""; position:absolute;inset:0;background:linear-gradient(90deg,transparent 45%,var(--ground)); }
.sidebar-menu { margin:18px;position:relative; }
.sidebar-menu summary { list-style:none; padding:10px 12px; color:var(--muted); font-size:13px; cursor:pointer; }
.sidebar-menu[open] { background:var(--nav);border:1px solid var(--line);border-radius:8px; }
.sidebar-menu .context-nav { padding:10px 0; }
.sidebar-quote { margin:auto 25px 34px;max-width:180px; }
.sidebar-quote-text { color:var(--muted); font-size:16px; line-height:1.5; }
.main { padding-top:34px; }
.main-inner { max-width:1280px; }
.btn.primary,.game-submit,.lobby-main-cta { background:var(--gold);border-color:var(--gold);box-shadow:none; }
.panel,.game-question { background:var(--panel); }
body.is-focus-mode .sidebar { display:none; }
body.is-focus-mode .main { margin-left:0; }
body.is-focus-mode .main-inner { max-width:1100px; }
body.is-focus-mode .game-portrait { width:48px;height:48px;border:0; }
body.is-focus-mode .game-score { font:500 26px var(--sans); }
body.is-focus-mode .game-scoreboard { padding:0 0 16px; }
body.is-focus-mode .game-mode { color:var(--muted); }
body.is-focus-mode .game-breadcrumb { background:transparent;border:0;padding:0;min-height:32px; }
body.is-focus-mode .game-breadcrumb>img { display:none; }
.game-overflow { position:relative;margin-left:auto; }
.game-overflow summary { list-style:none;padding:4px 12px;font-size:24px;cursor:pointer; }
.game-overflow[open] { background:var(--panel-raised);border-radius:8px; }
.game-overflow .btn { display:block; width:100%;margin:4px 0;text-align:left; }
@media(max-width:1100px){.sidebar{display:none}.main{margin-left:0}.brand{width:auto;min-width:240px}.topnav{gap:20px;padding-left:16px}.topbar-tools{gap:10px;padding-right:20px}}
@media(max-width:760px){.brand{min-width:0;width:auto;padding:10px 16px}.brand-copy{font-size:21px}.brand-mark svg{width:28px;height:28px}.main{padding:22px 16px 90px}.topbar-tools{padding-right:12px}.topbar-profile .avatar{width:36px;height:36px}}

body.is-focus-mode .game-scoreboard {grid-template-columns:minmax(120px,1fr) minmax(160px,1fr) minmax(120px,1fr) auto;}
body.is-focus-mode .game-scoreboard.is-solo {grid-template-columns:1fr 1fr auto;}
@media(max-width:650px){body.is-focus-mode .game-scoreboard{grid-template-columns:1fr 1fr auto}body.is-focus-mode .game-round{grid-row:2;grid-column:1/-1}body.is-focus-mode .game-scoreboard.is-solo{grid-template-columns:1fr 1fr auto}}

/* Shared page framing: the bust remains a quiet sidebar detail. */
:root { --header-height:70px; }
.brand { width:300px; min-width:300px; height:var(--header-height); padding:12px 28px; }
.topbar { height:var(--header-height); }
.sidebar { top:var(--header-height); border-radius:0; }
.sidebar-menu { margin:22px 18px; }
.sidebar-menu[open] { background:transparent; border:0; }
.sidebar-menu summary { display:none; }
.sidebar-menu .context-nav { padding:0; }
.sidebar-menu[hidden] { display:none; }
.duel-sidebar-link { position:relative; min-height:44px; padding:8px 14px 8px 18px; color:var(--muted); border:1px solid transparent; border-radius:8px; font-size:14px; transition:color .16s ease,background-color .16s ease,border-color .16s ease; }
.duel-sidebar-link:hover:not(:disabled) { color:var(--gold-soft); background:color-mix(in srgb,var(--ink) 3%,transparent); }
.duel-sidebar-link.active { color:var(--gold-soft); border-color:var(--accent-border); background:linear-gradient(110deg,var(--accent-surface),var(--panel) 78%); }
.duel-sidebar-link.active::before { content:""; position:absolute; top:8px; bottom:8px; left:0; width:2px; background:var(--gold); }
.duel-sidebar-link:disabled { opacity:.55; }
.sidebar-menu.study-context-menu { flex:0 1 auto; min-height:0; max-height:calc(calc(100dvh / var(--ui-zoom, 1)) - var(--header-height) - 184px); overflow-y:auto; overscroll-behavior:contain; scrollbar-width:thin; scrollbar-color:var(--line-strong) transparent; }
.sidebar-menu.study-context-menu .context-nav { padding-top:0; padding-bottom:0; }
.main { padding-top:25px; }
.main-inner { max-width:1280px; }
.context-nav { gap:3px; }
.nav-caption { margin:0 0 8px; padding:6px 12px; font-size:12px; letter-spacing:.02em; }
.context-link { min-height:38px; }
.context-link.active { color:var(--gold-soft); background:var(--accent-surface); }
.context-link:disabled { opacity:.45; cursor:not-allowed; }
.duel-info-dialog { width:min(480px,calc(100vw - 32px)); }
.duel-leaderboard-list { display:grid; gap:2px; margin:16px 0 0; padding:0; list-style:none; }
.duel-leaderboard-row { display:grid; grid-template-columns:32px 36px minmax(0,1fr) auto; align-items:center; gap:12px; min-height:52px; border-bottom:1px solid var(--line); }
.duel-leaderboard-row .avatar { width:32px; height:32px; }
.duel-leader-rank { color:var(--gold-soft); font-variant-numeric:tabular-nums; }
.duel-rules-list { display:grid; gap:12px; margin:20px 0 0; padding-left:22px; color:var(--ink); line-height:1.55; }
@media(max-width:1100px){.brand{min-width:240px;width:auto}}
@media(max-width:760px){.brand{min-width:0;width:auto}.sidebar{display:none}}
@media(min-width:1101px){body[data-page="study"] .main{padding-left:clamp(28px,2.2vw,34px);padding-right:clamp(24px,2.2vw,34px)}}
body[data-page="study"] .main-inner { max-width:1360px; }
@media(min-width:1101px) and (max-width:1320px) {
  :root { --sidebar-width:240px; }
  .brand { width:var(--sidebar-width); min-width:var(--sidebar-width); padding-inline:22px; }
}
@media(min-width:1321px) {
  :root { --sidebar-width:260px; }
  .brand { width:var(--sidebar-width); min-width:var(--sidebar-width); }
}
@media(min-width:1101px) {
  body[data-page="reviews"] .main { padding-top:25px; padding-left:clamp(24px,2.4vw,36px); padding-right:clamp(24px,2.4vw,36px); }
}

/* Custom select (web/select.js): the native <select> stays hidden for forms and change events. */
.ui-select-native { position:absolute !important; width:1px !important; height:1px !important; min-height:0 !important; margin:-1px !important; padding:0 !important; overflow:hidden !important; clip-path:inset(50%) !important; border:0 !important; opacity:0 !important; pointer-events:none !important; }
.ui-select-trigger { display:inline-flex; align-items:center; justify-content:space-between; gap:10px; min-width:0; text-align:left; cursor:pointer; background-image:none !important; padding-right:12px !important; }
.ui-select-trigger:hover:not(:disabled) { border-color:var(--line-strong); }
.ui-select-trigger[aria-expanded="true"] { border-color:var(--accent-border); }
.ui-select-trigger:disabled { cursor:not-allowed; opacity:.55; }
.ui-select-value { min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.ui-select-trigger.is-placeholder .ui-select-value { color:var(--muted); }
.ui-select-chevron { flex:none; width:16px; height:16px; color:var(--muted); transition:transform .15s ease-out; }
.ui-select-trigger[aria-expanded="true"] .ui-select-chevron { transform:rotate(180deg); }
.field .ui-select-trigger, .account-size-control .ui-select-trigger, .material-storage .ui-select-trigger { width:100%; min-height:44px; padding:10px 13px; color:var(--ink); border:1px solid var(--line); border-radius:7px; background:var(--panel); }
.account-size-control .ui-select-trigger { width:auto; min-height:38px; padding:6px 9px; }
.study-graph-section .kg-topic-label .ui-select-trigger { min-width:0; flex:1; }
.ui-select-popover { position:fixed; z-index:200; display:flex; flex-direction:column; overflow:hidden; border:1px solid var(--line); border-radius:9px; background:var(--panel-raised); box-shadow:0 16px 40px #000a; color:var(--ink); font:14px/1.4 var(--sans); overscroll-behavior:contain; }
.ui-select-search { flex:none; margin:8px 8px 4px; padding:9px 11px; color:var(--ink); border:1px solid var(--line); border-radius:6px; background:var(--panel); font:inherit; }
.ui-select-search::placeholder { color:var(--muted); }
.ui-select-search:focus-visible { outline:2px solid var(--gold-soft); outline-offset:0; }
.ui-select-list { flex:1 1 auto; min-height:0; margin:0; padding:4px; overflow-y:auto; overscroll-behavior:contain; list-style:none; outline:none; }
.ui-select-option { display:flex; align-items:center; justify-content:space-between; gap:10px; min-height:36px; padding:7px 10px; border-radius:6px; cursor:pointer; }
.ui-select-option.is-active { background:color-mix(in srgb,var(--ink) 7%,transparent); }
.ui-select-option[aria-selected="true"] { color:var(--gold-soft); }
.ui-select-option[aria-disabled="true"] { color:var(--muted); cursor:not-allowed; opacity:.6; }
.ui-select-check { flex:none; width:16px; height:16px; }
.ui-select-group { padding:10px 10px 4px; color:var(--muted); font-size:12px; }
.ui-select-empty { padding:10px; color:var(--muted); font-size:13px; }

/* Page data loading: a thin bar under the header that never shifts content; shown only if loading lasts over 300ms. */
.page-loading { position:fixed; top:var(--header-height); left:0; right:0; z-index:21; height:2px; overflow:hidden; pointer-events:none; opacity:0; animation:page-loading-in .2s ease-out .3s forwards; }
.page-loading::before { content:""; position:absolute; top:0; bottom:0; left:-40%; width:40%; background:var(--gold-soft); animation:page-loading-bar 1.1s ease-in-out infinite; }
.page-loading-label { position:absolute; width:1px; height:1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }
@keyframes page-loading-in { to { opacity:1; } }
@keyframes page-loading-bar { to { left:100%; } }

/* Reading mode: the text gets the whole page; the section list lives in the reader itself. */
body.is-reading .sidebar { display:none; }
body.is-reading { --reader-gutter:clamp(16px,3.4vw,52px); }
body.is-reading .main { margin-left:0; padding-top:0; padding-left:var(--reader-gutter); padding-right:var(--reader-gutter); }

/* Guest header: text "Войти" and one compact bronze "Регистрация" (29.10.2026). */
.topbar-login { min-height:36px; padding:0 4px; border:0; color:var(--muted); background:none; font:500 15px var(--sans); cursor:pointer; touch-action:manipulation; transition:color .16s; }
.topbar-login:hover { color:var(--ink); }
.topbar-login:focus-visible,.topbar-join:focus-visible { outline:2px solid var(--gold-soft); outline-offset:3px; border-radius:6px; }
.topbar-tools .topbar-join { min-height:36px; padding:0 16px; border-radius:8px; font-size:14px; font-weight:500; }
.topbar-login + .topbar-join { margin-left:-6px; }
@media (prefers-reduced-motion: reduce) { .topbar-login { transition:none; } }
@media (max-width:760px) { .topbar-tools .topbar-join { display:none; } }
/* Sidebar quotes a touch larger (29.10.2026). */
.sidebar-quote { max-width:205px; }
.sidebar-quote-text { font-size:18px; line-height:1.45; }
.sidebar-quote-author { font-size:13px; }
/* Phones: the header keeps the avatar only; rating lives in the profile (29.10.2026). */
@media (max-width:480px) { .topbar-rating, .topbar-profile > svg { display:none; } .topbar-tools { gap:6px; } }

/* Compact locale control, shared by the application and sign-in headers. */
.language-switcher { display:inline-flex; flex:none; gap:2px; padding:2px; border:1px solid var(--line); border-radius:6px; }
.language-switcher[hidden] { display:none; }
.language-switcher button { min-width:32px; min-height:32px; padding:5px; border:0; border-radius:3px; background:transparent; color:var(--muted); font:500 11px/1 var(--sans); cursor:pointer; touch-action:manipulation; }
.language-switcher button[aria-pressed="true"] { background:var(--accent-surface); color:var(--gold-soft); }
.language-switcher button:hover { color:var(--ink); background:var(--panel-raised); }
.language-switcher button:focus-visible { outline:2px solid var(--gold-soft); outline-offset:2px; }
.account-auth-header-actions { display:flex; align-items:center; gap:22px; }
@media(max-width:540px) { .account-auth-header-actions { gap:8px; } .account-auth-header .brand-copy { font-size:18px; } .account-auth-about { padding-left:0; } .language-switcher button { min-width:28px; } .topbar-tools { gap:6px; } }

/* Attribution stays quiet; its source remains available by pointer and keyboard. */
.sidebar-quote-source { color: inherit; text-decoration: none; }
.sidebar-quote-source:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }