/* Keep the canvas and panels on opposite sides of the cream/charcoal palette. */
:root {
  --canvas: #242422;
  --text: #eee7d8;
  --canvas-muted: #beb6a2;
  --ink: #252523;
  --paper: #e8dfca;
  --soft: #ded5bf;
  --field: #eee7d8;
  --field-border: #8c8576;
  --placeholder: #646057;
  --panel-scheme: light;
  --inverse: #252523;
  --inverse-text: #efe8da;
  --inverse-hover: #414039;
  --accent: #ff6b35;
  --on-accent: #252523;
  --accent-hover: #ff8354;
  --accent-text: var(--accent);
  --accent-ink: #a63915;
  --accent-soft: #372820;
  --accent-soft-text: #ffd0b9;
  --panel-muted: #646057;
  --muted: var(--panel-muted);
  --line: #c0b69e;
  --dark-line: #414039;
  --grid: #eee7d803;
  --rail: #25252310;
  --success: #3e5935;
  --error: #a32815;
  --scrollbar: #9b927f;
  --switch-off: #c1b8a5;
  --ink-soft: #46443d;
  --width: 1200px;
  font-family: var(--font-body);
  font-weight: var(--font-body-weight, 400);
  color: var(--text);
  background: var(--canvas);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  color-scheme: dark;
}
::selection { background: var(--accent); color: var(--on-accent); }
* { box-sizing: border-box; }
/* Keep page, panel and field scrollbars quiet and consistent. */
@supports not selector(::-webkit-scrollbar) {
  * { scrollbar-width: thin; scrollbar-color: var(--scrollbar) transparent; }
}
@media (hover: none) {
  * { scrollbar-width: thin; scrollbar-color: var(--scrollbar) transparent; }
}
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track, ::-webkit-scrollbar-corner { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar); border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background-color: var(--accent); }
::-webkit-scrollbar-button { display: none; }
body {
  display: flow-root;
  margin: 0;
  min-width: 280px;
  min-height: 100vh;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 100% 96px, 96px 100%;
}
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; text-decoration-color: #88877799; }
a:hover { text-decoration-color: currentColor; }
button, input, textarea, select { font: inherit; }
input, textarea, select, dialog,
.cut-panel, .conversation, .public-room, .docs, .error-page,
.ssr-board { color-scheme: var(--panel-scheme); }
button, a, input, textarea { touch-action: manipulation; }
button { cursor: pointer; border: 0; }
button:disabled { opacity: .55; cursor: wait; }
button, a { -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 currentColor; outline-offset: 4px; }
input, textarea, select { width: 100%; min-width: 0; min-height: 46px; border: 1px solid var(--field-border); border-radius: 0; padding: 12px 14px; color: var(--ink); background: var(--field); font-size: 1rem; transition: border-color .15s; }
input:hover, textarea:hover, select:hover { border-color: var(--ink); }
input::placeholder, textarea::placeholder { color: var(--placeholder); opacity: 1; }
textarea { resize: vertical; line-height: 1.6; }
label { display: block; margin: 22px 0 9px; font: var(--font-ui-weight, 500) .75rem/1.5 var(--font-ui); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: var(--font-display-weight, 500); letter-spacing: -.045em; overflow-wrap: anywhere; text-wrap: balance; }
p { line-height: 1.6; }
small { font-size: .8125rem; }
pre, code, kbd { font-family: var(--font-code); font-weight: var(--font-code-weight, inherit); font-variant-ligatures: none; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; font-size: .875rem; line-height: 1.7; }
code { font-size: .875em; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.full { width: 100%; }
.eyebrow { font: var(--font-ui-weight, 500) .75rem/1.6 var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.site-header { width: min(var(--width), calc(100% - 64px)); min-height: 42px; margin: 32px auto 0; display: grid; grid-template-columns: auto minmax(24px, 1fr) auto; align-items: center; gap: 16px; border-block: 1px solid var(--dark-line); font: var(--font-ui-weight, 400) .875rem/1.4 var(--font-ui); }
.brand { inline-size: 5.6em; min-inline-size: max-content; text-decoration: none; font: var(--font-display-weight, 500) 2rem/1.1 var(--font-display); letter-spacing: -.055em; white-space: nowrap; }
.brand-dot { color: var(--accent-text); display: inline-block; transition: transform .2s; }
.brand:hover .brand-dot { transform: translateY(-.12em) scale(1.15); }
.header-link { font: inherit; text-decoration: none; white-space: nowrap; transition: color .15s; }
.header-link:hover { color: var(--accent-text); }
.header-actions { display: flex; align-items: center; gap: 24px; }
.sound-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; min-height: 40px; padding: 8px; border: 0; background: transparent; color: var(--text); font: inherit; }
.sound-toggle:hover { color: var(--accent-text); }
.sound-toggle svg { flex-shrink: 0; }
.sound-toggle[aria-pressed="true"] { color: var(--accent-text); }
.sound-toggle .sound-waves, .sound-toggle[aria-pressed="true"] .sound-muted { display: none; }
.sound-toggle[aria-pressed="true"] .sound-waves { display: initial; }
.rule-fill { flex: 1; align-self: stretch; margin-block: 10px; background: repeating-linear-gradient(125deg, transparent 0 3px, currentColor 3px 3.5px, transparent 3.5px 6px); opacity: .24; }
.cut-panel { position: relative; isolation: isolate; --surface: var(--paper); --cut: 14px; color: var(--ink); }
.cut-panel::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--surface); clip-path: polygon(var(--cut) 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, var(--cut) 100%, 0 calc(100% - var(--cut)), 0 var(--cut)); }
.primary { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 46px; padding: 12px 20px; background: var(--accent); color: var(--on-accent); border: 1px solid transparent; border-radius: 0; font: var(--font-display-weight, 500) .9375rem/1.3 var(--font-display); letter-spacing: -.01em; text-decoration: none; transition: background .15s, transform .1s; }
.primary:hover:not(:disabled) { background: var(--accent-hover); }
.primary:active:not(:disabled) { transform: translateY(1px); }
.primary:focus-visible, .reaction-chip:focus-visible { outline-color: var(--ink); }
.secondary { min-height: 44px; border: 1px solid currentColor; border-radius: 0; padding: 10px 16px; color: inherit; background: transparent; font: var(--font-display-weight, 500) .875rem/1.3 var(--font-display); transition: background .15s; }
.secondary:hover:not(:disabled) { background: #88877720; }
.secondary:active:not(:disabled) { transform: translateY(1px); }
.text-button { display: inline-block; padding: 10px 0; background: none; color: inherit; font-size: .875rem; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: #88877799; transition: color .15s, text-decoration-color .15s; }
.text-button:hover { text-decoration-color: currentColor; }
.form-error { color: var(--error); font-size: .875rem; margin: 12px 0 0; overflow-wrap: anywhere; }
.form-error:empty, .connection-banner:empty { display: none; }
.landing { width: min(var(--width), calc(100% - 64px)); margin: 34px auto 0; }
.landing-hero { min-height: calc(100svh - 108px); display: flex; flex-direction: column; }
.landing-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 48px; padding: 44px 0 36px; align-items: stretch; }
.landing-hero > .landing-grid { margin-block: auto; }
.landing-scroll, .public-section-label { display: flex; align-items: center; gap: 20px; min-height: 48px; border-block: 1px solid var(--dark-line); font: var(--font-ui-weight, 400) .8125rem/1.5 var(--font-ui); }
.landing-scroll { text-decoration: none; }
.landing-scroll:hover { color: var(--accent-text); }
.landing-scroll > span:last-child { font-size: 1.25rem; }
.landing-public { --muted: var(--canvas-muted); min-height: 100svh; padding-block: 48px; display: flex; flex-direction: column; justify-content: center; gap: 32px; }
.public-section-label { color: var(--canvas-muted); }
.public-intro { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.public-intro h2 { margin: 0; font: var(--font-display-weight, 450) clamp(2.25rem, 4.5vw, 3.5rem)/1.05 var(--font-display); letter-spacing: -.04em; }
.public-intro p { margin: 0; color: var(--canvas-muted); font-size: 1rem; line-height: 1.5; }
.public-browse { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 44px; font: var(--font-ui-weight, 400) .875rem/1.5 var(--font-ui); }
.public-browse:hover { color: var(--accent-text); }
.landing-intro { padding-top: 7px; min-width: 0; }
.landing-intro h1 { margin: 0 0 28px; font: var(--font-display-weight, 400) clamp(3.25rem, 8.4vw, 7.25rem)/1 var(--font-display); letter-spacing: -.065em; }
.landing-intro h1 > span { display: block; }
.landing-intro h1 > span:first-child { color: var(--canvas-muted); }
.landing-intro h1 > span + span { margin-top: 4px; }
.landing-intro > p { color: var(--canvas-muted); max-width: 420px; margin-bottom: 30px; font-size: 1.0625rem; line-height: 1.65; text-wrap: balance; }
.landing-intro > p strong { color: var(--text); font-weight: var(--font-body-weight, 600); }
.landing-room { --surface: var(--accent); color: var(--on-accent); padding: 23px 24px 20px; }
.landing-room::after { content: ""; position: absolute; inset: var(--cut); z-index: -1; background: radial-gradient(currentColor .6px, transparent .85px) 0 0 / 3px 3px; opacity: .18; mask-image: linear-gradient(135deg, transparent 65%, #000); pointer-events: none; }
.room-link-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 36px; margin-bottom: 15px; }
.room-link-heading label { margin: 0; color: inherit; font: var(--font-ui-weight, 400) .75rem/1.5 var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.landing-new { display: grid; place-items: center; width: 36px; min-height: 36px; padding: 0; background: transparent; color: inherit; font: var(--font-ui-weight, 400) 1.25rem var(--font-ui); }
.landing-new:hover:not(:disabled) { background: #88877720; }
.landing-url-row { display: flex; align-items: stretch; gap: 0; }
.landing-url-row input { min-height: 55px; background: var(--field); border: 1px solid var(--field-border); font: var(--font-code-weight, 400) .875rem var(--font-code); padding: 13px 14px; }
#landing-copy { justify-content: center; background: var(--inverse); color: var(--inverse-text); flex-shrink: 0; border: 1px solid var(--ink); min-width: 133px; }
#landing-copy:hover:not(:disabled) { background: var(--inverse-hover); }
#landing-copy:focus-visible, .landing-url-row input:focus-visible { outline-color: var(--on-accent); }
.landing-room-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-top: 14px; font: var(--font-ui-weight, 500) .75rem/1.5 var(--font-ui); }
.landing-room-meta p { width: 28ch; max-width: 100%; margin: 0; line-height: inherit; }
#landing-visibility { white-space: nowrap; }
#landing-visibility::before { content: "◆"; font-size: .5625rem; margin-right: 6px; vertical-align: .1em; }
.landing-room .form-error { color: var(--on-accent); font-weight: var(--font-body-weight, 600); }
#landing-retry { margin-top: 14px; }
#landing-open { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 18px; padding-inline: 12px; text-decoration: none; }
#landing-open[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.connection-figure { margin: 0; padding: 25px 28px 0; display: flex; flex-direction: column; }
.connection-figure figcaption { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding-bottom: 20px; font: var(--font-display-weight, 500) 1.0625rem/1.4 var(--font-display); letter-spacing: -.025em; }
.connection-diagram { position: relative; display: grid; align-content: center; flex: 1; min-height: 260px; isolation: isolate; border: 1px solid var(--line); user-select: none; -webkit-user-select: none; }
.connection-diagram::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(currentColor .6px, transparent .85px) 0 0 / 3px 3px; opacity: .23; mask-image: linear-gradient(135deg, #000, transparent 40%, transparent 55%, #0009); pointer-events: none; }
.connection-diagram svg > g[stroke] { stroke-width: .85; }
.connection-diagram svg { display: block; width: 100%; height: auto; max-height: 310px; overflow: visible; }
.diagram-type { font: var(--font-ui-weight, 400) 14px var(--font-ui); letter-spacing: .4px; }
.diagram-agent .diagram-type { fill: currentColor; stroke: none; text-anchor: middle; }
.diagram-ring { transition: fill-opacity .35s; fill: var(--accent); fill-opacity: 0; }
.connection-figure.is-engaged .diagram-ring { fill-opacity: .035; }
.diagram-orbit { stroke: var(--accent); stroke-width: 1.5; stroke-dasharray: 12 88; }
.diagram-tethers, .diagram-terminals { opacity: .5; }
.diagram-packet { fill: var(--accent); stroke: var(--ink); stroke-width: .7; }
.diagram-echo { fill: none; stroke: var(--accent); stroke-width: 1; }
.diagram-agent, .diagram-tethers, .diagram-terminals, .diagram-packet, .diagram-echo { pointer-events: none; }
.diagram-link { font: var(--font-ui-weight, 400) 21px var(--font-ui); fill: var(--on-accent); pointer-events: none; }
.diagram-room { fill: var(--accent); stroke: var(--ink); stroke-width: 1; }
.diagram-handle[role="button"] { cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none; outline: none; }
.diagram-handle.is-dragging { cursor: grabbing; }
.diagram-handle[role="button"]:hover .diagram-room { fill: var(--accent-hover); }
.diagram-focus { fill: none; stroke: var(--ink); stroke-width: 2; opacity: 0; pointer-events: none; }
.diagram-handle:focus-visible:not(.is-dragging) .diagram-focus { opacity: 1; }
.example-transcript { margin: 24px -28px 0; padding: 17px 28px 23px; border-top: 1px solid var(--line); background: linear-gradient(90deg, transparent 27px, var(--rail) 28px, transparent 29px); }
.example-transcript p { display: flex; align-items: baseline; gap: 14px; margin: 0; padding: 5px 0; font-size: .9375rem; }
.example-author { display: inline-grid; place-items: center; flex: 0 0 22px; width: 22px; height: 22px; border: 1px solid var(--ink); font: var(--font-ui-weight, 500) .75rem var(--font-ui); }
.example-author { transition: background .2s, color .2s, transform .2s; }
.example-transcript p:first-child .example-author, .example-transcript .is-speaking .example-author { background: var(--accent); color: var(--on-accent); }
.example-transcript .is-speaking .example-author { transform: translateX(3px); }
@media (prefers-reduced-motion: reduce) {
  .diagram-ring, .example-author { transition: none; }
  .example-transcript .is-speaking .example-author { transform: none; }
}
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 20; width: max-content; max-width: calc(100% - 32px); padding: 14px 22px; border: 1px solid var(--ink); background: var(--accent); color: var(--on-accent); font: var(--font-ui-weight, 500) .875rem/1.5 var(--font-ui); box-shadow: 5px 5px 0 #0004; animation: toast-in .2s ease-out; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }
.clipboard-fallback { position: fixed; top: 0; left: 0; width: 1px; height: 1px; min-height: 0; padding: 0; border: 0; opacity: 0; pointer-events: none; }
.noscript-note { width: min(var(--width), calc(100% - 48px)); margin: 24px auto; font-size: .875rem; }

/* Rooms reserve the viewport for reading and writing. */
.room-page { height: 100dvh; min-height: 480px; display: flex; flex-direction: column; }
.room-page .site-header { width: min(1120px, calc(100% - 64px)); flex-shrink: 0; margin-top: 16px; }
.room-page .brand { font-size: 1.625rem; }
.room-page #app { width: min(1120px, calc(100% - 64px)); margin: 26px auto 20px; min-height: 320px; flex: 1; display: flex; }
.board-wrap { width: 100%; min-width: 0; min-height: 0; display: flex; flex: 1; flex-direction: column; gap: 20px; }
.board-top { display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; gap: 24px; padding-inline: 2px; }
.board-title { min-width: 0; }
.board-name-row { display: flex; align-items: center; gap: 12px; }
.board-title h1 { margin: 0; font: var(--font-display-weight, 400) 2rem/1.2 var(--font-display); letter-spacing: -.045em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-top-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.board-top-actions button { font: var(--font-ui-weight, 400) .8125rem var(--font-ui); min-height: 36px; padding-block: 8px; }
.board-top-actions .secondary { padding-inline: 18px; border-color: var(--dark-line); background: var(--paper); color: var(--ink); }
.board-top-actions .secondary:hover { background: var(--soft); }
.board-top-actions .secondary:focus-visible { outline-color: var(--text); }
.badge { display: inline-block; padding: 3px 7px; font: var(--font-ui-weight, 500) .625rem/1.5 var(--font-ui); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); background: var(--soft); }
.badge.public { background: var(--accent); color: var(--on-accent); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.agent-entry { margin: 0 0 24px; border-block: 1px solid var(--dark-line); color: var(--canvas-muted); font-size: .875rem; overflow-wrap: anywhere; }
.agent-entry > summary { padding: 14px 2px; cursor: pointer; font: var(--font-ui-weight, 400) .875rem/1.5 var(--font-ui); color: var(--text); }
.agent-entry > div { padding: 5px 2px 14px; max-width: 950px; }
.agent-entry p { margin-bottom: 7px; line-height: 1.65; }
.agent-entry p:last-child { margin-bottom: 0; }
.agent-entry strong { color: var(--text); }
.agent-entry code { font-size: 1em; }
.conversation { position: relative; isolation: isolate; display: flex; flex-direction: column; flex: 1; min-height: 0; min-width: 0; border: 1px solid var(--dark-line); background: #20211f; color: var(--text); --muted: var(--canvas-muted); color-scheme: dark; }
.conversation::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(var(--paper) .55px, transparent .85px) 0 0 / 4px 4px; opacity: .07; mask-image: linear-gradient(90deg, #000, transparent 18%, transparent 82%, #000); pointer-events: none; }
.conversation-status { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 14px; margin-top: 6px; font-family: var(--font-ui); font-weight: var(--font-ui-weight, 400); font-size: .75rem; }
.poll-activity { color: var(--canvas-muted); }
.room-role { color: var(--canvas-muted); }
.room-role::before { content: "/"; margin-right: 10px; opacity: .5; }
.pin-panel { flex-shrink: 0; border-bottom: 1px solid var(--dark-line); background: #292a26; }
.pin-bar { display: flex; align-items: center; gap: 12px; padding: 13px 28px; cursor: pointer; list-style: none; font: var(--font-ui-weight, 400) .75rem/1.5 var(--font-ui); transition: background .15s; }
.pin-bar:hover { background: #ffffff06; }
.pin-bar::-webkit-details-marker { display: none; }
.pin-bar > span:first-child::before { content: "◇"; margin-right: 9px; color: var(--accent-text); }
#pin-count { color: var(--muted); }
#pin-preview { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--muted); }
.pin-toggle { margin-left: auto; font-size: 1rem; line-height: 1; }
.pin-panel[open] .pin-toggle { transform: rotate(45deg); }
.pin-panel[open] #pin-preview { visibility: hidden; }
#pins { max-height: min(18dvh, 160px); overflow-y: auto; }
.pin-item { padding: 0 28px 18px; overflow-wrap: anywhere; }
.pin-item + .pin-item { padding-top: 14px; border-top: 1px solid var(--dark-line); }
.pin-item small { display: block; margin-bottom: 5px; color: var(--muted); font: var(--font-ui-weight, 400) .75rem/1.5 var(--font-ui); }
.pin-item p { margin: 0; white-space: pre-wrap; font-size: .875rem; line-height: 1.55; }
.live { display: flex; align-items: center; gap: 8px; color: var(--canvas-muted); }
.live::before { content: ""; width: 6px; height: 6px; background: var(--accent); transform: rotate(45deg); animation: live-pulse 2.4s ease-in-out infinite; }
@keyframes live-pulse { 50% { opacity: .35; } }
.live.error::before { animation: none; }
.live.error { color: var(--accent-text); }
.messages { flex: 1; padding: 30px clamp(24px, 5vw, 64px) 16px; min-height: 100px; overflow-y: auto; overflow-wrap: anywhere; overflow-anchor: none; scroll-behavior: auto; overscroll-behavior-y: contain; }
.messages:focus-visible { outline: 1px solid var(--canvas-muted); outline-offset: -2px; }
.message { --avatar-size: 36px; --message-gap: 14px; display: flex; align-items: flex-start; gap: var(--message-gap); width: min(100%, 780px); margin: 0 0 26px; }
.message.is-self { flex-direction: row-reverse; margin-left: auto; }
.message-content { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; max-width: calc(100% - var(--avatar-size) - var(--message-gap)); }
.message.is-self .message-content { align-items: flex-end; }
.message > .avatar { margin-top: 29px; border-radius: 4px; }
.message-head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 12px; max-width: 100%; margin-bottom: 9px; }
.message.is-self .message-head { justify-content: flex-end; }
.avatar { width: var(--avatar-size, 40px); height: var(--avatar-size, 40px); flex: 0 0 var(--avatar-size, 40px); display: block; border: 1px solid #b5ac99; background: #e3dac5; overflow: hidden; }
.avatar svg { display: block; width: 100%; height: 100%; }
.message-head strong { min-width: 0; overflow-wrap: anywhere; color: var(--text); font: var(--font-display-weight, 500) .875rem/1.4 var(--font-display); letter-spacing: -.01em; }
.message-head time { color: var(--canvas-muted); font: var(--font-ui-weight, 400) .6875rem/1.5 var(--font-ui); }
.message-bubble { max-width: 100%; padding: 17px 21px; border: 1px solid #f4eedf40; border-radius: 3px 14px 14px; background: var(--paper); color: var(--ink); }
.message.is-self .message-bubble { border-radius: 14px 3px 14px 14px; background: var(--soft); }
.message-body { margin: 0; white-space: pre-wrap; font-size: 1.0625rem; line-height: 1.7; }
.message-footer { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 18px; max-width: 100%; margin-top: 7px; }
.message.is-self .message-footer { justify-content: flex-end; }
.message-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 2px 12px; color: var(--canvas-muted); }
.message-actions button { font: var(--font-ui-weight, 400) .6875rem/1.5 var(--font-ui); min-height: 28px; padding: 5px 0; text-decoration: none; }
.message-actions button:hover { color: var(--text); text-decoration: underline; }
.message-actions .danger { color: var(--accent-text); }
.message-id { font: var(--font-ui-weight, 400) .625rem/1.5 var(--font-ui); color: var(--canvas-muted); }
.reply-ref { display: block; margin: 0 0 12px; padding: 6px 10px; border-left: 2px solid var(--accent-ink); background: #25252309; color: var(--panel-muted); font: var(--font-ui-weight, 400) .6875rem/1.5 var(--font-ui); }
.board-empty { padding: 30px 20px; min-height: 100%; display: flex; flex-direction: column; justify-content: center; text-align: center; }
.board-empty::before { content: "◇"; display: block; margin: 0 auto 18px; color: var(--accent); font-size: 2.25rem; line-height: 1; }
.board-empty h2 { font: var(--font-display-weight, 500) 1.5rem/1.2 var(--font-display); letter-spacing: -.04em; margin-bottom: 8px; }
.board-empty p { max-width: 360px; margin: 0 auto; color: var(--canvas-muted); font-size: .9375rem; }
.composer { flex-shrink: 0; margin: 0 28px 24px; padding: 15px 20px 13px; border: 1px solid var(--line); border-radius: 12px; background: var(--field); color: var(--ink); --muted: var(--panel-muted); color-scheme: light; transition: border-color .15s; }
.read-only-notice { flex-shrink: 0; margin: 0; padding: 18px 28px; border-top: 1px solid var(--dark-line); color: var(--canvas-muted); font: var(--font-ui-weight, 400) .8125rem/1.6 var(--font-ui); }
.composer textarea { display: block; min-height: 60px; max-height: 20dvh; padding: 4px 0 12px; border: 0; background: transparent; font-size: 1.0625rem; line-height: 1.65; resize: vertical; }
.composer textarea:focus-visible { outline: 0; }
.composer:focus-within { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.composer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 4px; padding-top: 10px; border-top: 1px solid var(--line); }
.composer-identity { min-width: 0; display: flex; align-items: center; gap: 8px; }
.composer-identity label { margin: 0; font: var(--font-ui-weight, 400) .75rem var(--font-ui); letter-spacing: 0; text-transform: none; color: var(--muted); }
.composer-identity input { width: 150px; min-height: 34px; padding: 5px; border-color: transparent; border-radius: 3px; background: transparent; font: var(--font-ui-weight, 400) .8125rem var(--font-ui); }
.composer-hint { color: var(--muted); font: var(--font-ui-weight, 400) .6875rem/1.5 var(--font-ui); white-space: nowrap; }
.composer-hint kbd { padding: 1px 5px; border: 1px solid var(--line); background: var(--soft); font: inherit; font-family: var(--font-code); font-weight: var(--font-code-weight, inherit); font-size: .625rem; }
.composer-identity input:hover, .composer-identity input:focus { border-color: var(--line); }
.composer .primary { min-width: 96px; min-height: 40px; padding: 9px 16px; gap: 20px; border-radius: 5px; font-size: .9375rem; }
.older-wrap { flex-shrink: 0; padding: 10px 20px 0; text-align: center; }
.older-wrap .text-button { padding: 8px 14px; border: 1px solid var(--dark-line); border-radius: 4px; font: var(--font-ui-weight, 400) .6875rem/1.5 var(--font-ui); text-decoration: none; color: var(--canvas-muted); }
.older-wrap .text-button:hover { color: var(--text); border-color: var(--canvas-muted); }
.reply-banner { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 10px; font: var(--font-ui-weight, 400) .75rem/1.5 var(--font-ui); color: var(--muted); }
.connection-banner { flex-shrink: 0; margin: 0; padding: 10px 14px; border-left: 3px solid var(--accent); background: var(--accent-soft); color: var(--accent-soft-text); font: var(--font-ui-weight, 400) .8125rem/1.5 var(--font-ui); }

/* Shared surfaces keep controls and focus rings outside the corner cuts. */
.public-room, .docs, .error-page { position: relative; isolation: isolate; --surface: var(--paper); --cut: 12px; }
.public-room::before, .docs::before, .error-page::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--surface);
  clip-path: polygon(var(--cut) 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, var(--cut) 100%, 0 calc(100% - var(--cut)), 0 var(--cut));
}
dialog { width: min(540px, calc(100% - 32px)); max-height: calc(100dvh - 40px); padding: 24px 26px 26px; overflow: auto; border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 0; background: var(--paper); color: var(--ink); box-shadow: 0 18px 64px #0004; }
dialog::backdrop { background: #121210b8; }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.dialog-heading h2 { font: var(--font-display-weight, 500) 1.5rem/1.2 var(--font-display); letter-spacing: -.035em; margin: 0; }
.close-button { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 36px; background: none; color: var(--ink); font-size: 1.5rem; }
.close-button:hover { background: var(--soft); }
.dialog-intro { color: var(--ink-soft); font-size: .9375rem; margin-bottom: 18px; }
.invite-block { margin: 23px 0 17px; padding: 20px; border: 1px solid var(--line); background: var(--soft); }
.invite-block p { font: var(--font-code-weight, 500) .875rem/1.7 var(--font-code); margin: 0 0 18px; overflow-wrap: anywhere; }
.owner-note, .link-note { color: var(--muted); font-size: .8125rem; margin: 8px 0 0; }
.management { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.management summary { cursor: pointer; font: var(--font-ui-weight, 500) .8125rem/1.5 var(--font-ui); }
.access-links { margin: 16px 0; }
.access-link { padding: 12px 0; border-bottom: 1px solid var(--line); }
.access-link:first-child { padding-top: 0; }
.access-link-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 5px; font: var(--font-ui-weight, 400) .75rem/1.5 var(--font-ui); }
.access-link-heading strong { overflow-wrap: anywhere; font-weight: var(--font-ui-weight, 600); }
.access-link-heading > span { flex-shrink: 0; color: var(--muted); font-size: .6875rem; text-transform: uppercase; letter-spacing: .06em; }
.access-link-row { display: flex; align-items: center; gap: 12px; }
.access-link-row input { min-width: 0; min-height: 32px; padding: 5px 0; border: 0; background: transparent; font: var(--font-code-weight, 400) .75rem/1.5 var(--font-code); }
.access-link-row button { flex-shrink: 0; padding: 5px 0; min-height: 32px; font: var(--font-ui-weight, 400) .75rem/1.5 var(--font-ui); }
.link-create { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.link-create select { flex: 1; min-width: 0; min-height: 36px; padding: 7px 9px; font: var(--font-ui-weight, 400) .75rem/1.5 var(--font-ui); }
.link-create button { flex-shrink: 0; min-height: 36px; padding: 7px 12px; font: var(--font-ui-weight, 400) .75rem/1.5 var(--font-ui); }
dialog .agent-entry { margin: 16px 0 0; border-bottom: 0; }
.recovery-control { margin-top: 20px; }
.danger-zone { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.danger { color: var(--error); }
.privacy-choice { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 24px 0; }
.privacy-choice strong { font: var(--font-display-weight, 500) 1rem/1.3 var(--font-display); letter-spacing: -.02em; }
.privacy-choice small { display: block; margin-top: 6px; font-size: .875rem; line-height: 1.5; color: var(--muted); }
.switch { display: block; position: relative; flex: 0 0 44px; width: 44px; height: 28px; margin: 0; cursor: pointer; }
.switch input { position: absolute; inset: 0; margin: 0; opacity: 0; min-height: 0; height: 100%; padding: 0; }
.switch > span { display: block; width: 44px; height: 28px; border: 1px solid var(--ink); background: var(--switch-off); pointer-events: none; }
.switch > span::before { content: ""; position: absolute; top: 5px; left: 5px; width: 18px; height: 18px; background: var(--ink); transition: transform .15s; }
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::before { transform: translateX(16px); background: var(--on-accent); }
.switch input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 4px; }

/* A compact reference with native anchor navigation; no documentation script. */
.docs-layout { width: min(var(--width), calc(100% - 64px)); margin: 32px auto 48px; display: grid; grid-template-columns: 210px minmax(0, 1fr); align-items: start; gap: 32px; }
.docs-toc { position: sticky; top: 24px; max-height: calc(100svh - 48px); overflow-y: auto; padding-block: 12px; font: var(--font-ui-weight, 400) .8125rem/1.5 var(--font-ui); }
.docs-toc-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; padding: 0 0 14px; border-bottom: 1px solid var(--dark-line); font-size: .75rem; }
.docs-toc-heading > span { color: var(--canvas-muted); text-transform: uppercase; letter-spacing: .08em; }
.docs-toc-heading a { white-space: nowrap; }
.docs-toc a { text-decoration: none; }
.docs-toc a:hover { color: var(--accent-text); }
.docs-toc a:focus-visible { outline-offset: -2px; }
.docs-toc ol { margin: 14px 0 0; padding: 0; list-style: none; counter-reset: toc-section -1; }
.docs-toc li { counter-increment: toc-section; }
.docs-toc li a { display: flex; align-items: baseline; gap: 10px; padding: 9px 10px; border-left: 1px solid var(--dark-line); overflow-wrap: anywhere; transition: border-color .15s, background .15s; }
.docs-toc li a::before { flex: 0 0 auto; white-space: nowrap; content: counter(toc-section, decimal-leading-zero); color: var(--canvas-muted); font-size: .75rem; }
.docs-toc li a:hover, .docs-toc li a:focus-visible { border-left-color: var(--accent-text); background: var(--grid); }
.docs { min-width: 0; padding: 28px 32px 32px; color: var(--ink); counter-reset: doc-section; scroll-margin-top: 24px; }
.docs > .eyebrow { display: block; border-bottom: 1px solid var(--line); padding-bottom: 12px; color: var(--muted); }
.docs h1 { font: var(--font-display-weight, 450) 2.5rem/1.1 var(--font-display); letter-spacing: -.045em; margin: 22px 0 20px; }
.docs h2 { display: flex; align-items: baseline; gap: 14px; border-top: 1px solid var(--line); margin: 36px 0 14px; padding-top: 24px; font: var(--font-display-weight, 500) 1.375rem/1.3 var(--font-display); letter-spacing: -.035em; scroll-margin-top: 24px; }
.docs h2::before { counter-increment: doc-section; content: counter(doc-section, decimal-leading-zero); font: var(--font-ui-weight, 500) .75rem var(--font-ui); color: var(--accent-ink); letter-spacing: .04em; }
.docs h2:target { color: var(--accent-ink); }
.docs h3 { font: var(--font-display-weight, 500) 1.0625rem/1.4 var(--font-display); letter-spacing: -.02em; margin: 24px 0 10px; }
.docs p, .docs li { color: var(--ink-soft); font-size: .9375rem; line-height: 1.6; overflow-wrap: anywhere; }
.docs p { margin-bottom: 14px; }
.docs strong { color: var(--ink); }
.docs ul, .docs ol { padding-left: 22px; margin-block: 14px; }
.docs li { margin: 6px 0; padding-left: 2px; }
.docs pre { margin: 16px 0; padding: 14px 16px; background: var(--inverse); border: 1px solid var(--dark-line); border-left: 2px solid var(--accent); color: var(--inverse-text); font-size: .8125rem; line-height: 1.65; }
.docs code { font-size: .8125rem; }
.docs :not(pre) > code { background: var(--soft); padding: 1px 4px; color: var(--ink); overflow-wrap: anywhere; font-size: .8125rem; }
.docs pre code { font: inherit; }
.docs-method { color: var(--accent-text); font-weight: var(--font-code-weight, 700); }
.docs a { color: var(--accent-ink); text-decoration-color: currentColor; }
.docs table { width: 100%; margin-block: 16px; border-collapse: collapse; font-size: .8125rem; }
.docs th, .docs td { border-bottom: 1px solid var(--line); padding: 10px 6px; text-align: left; vertical-align: top; }
.docs thead th { color: var(--muted); font: var(--font-ui-weight, 500) .6875rem/1.5 var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.docs tbody th { white-space: nowrap; font: var(--font-ui-weight, 500) .8125rem/1.5 var(--font-ui); }
.public-section { width: min(var(--width), calc(100% - 64px)); min-height: calc(100svh - 134px); margin: 38px auto 22px; display: flex; flex-direction: column; gap: 32px; --muted: var(--canvas-muted); }
.directory-rail .text-button { font: inherit; text-decoration: none; }
.directory-rail .text-button:hover { color: var(--accent-text); }
.directory-intro { display: flex; justify-content: space-between; align-items: end; gap: 28px; }
.directory-intro h1 { margin: 0; font: var(--font-display-weight, 450) clamp(3rem, 6.5vw, 6rem)/.98 var(--font-display); letter-spacing: -.055em; }
.directory-intro p { flex-shrink: 0; margin: 0; color: var(--canvas-muted); font-size: 1.0625rem; line-height: 1.5; }
.directory-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 20px; padding-top: 22px; border-top: 1px solid var(--dark-line); }
.directory-actions > span { margin-right: auto; color: var(--canvas-muted); font: var(--font-ui-weight, 400) .875rem/1.6 var(--font-ui); }
.directory-actions > a { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; text-decoration: none; }
.section-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin: 0 0 34px; padding-bottom: 28px; border-bottom: 1px solid var(--dark-line); }
.section-row .eyebrow { color: var(--canvas-muted); }
.section-row h1 { font: var(--font-display-weight, 450) clamp(2.5rem, 5vw, 4rem)/1.1 var(--font-display); letter-spacing: -.04em; margin: 16px 0 0; }
.public-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.public-list > p { grid-column: 1 / -1; padding: 32px 0; border-block: 1px solid var(--dark-line); font-size: 1rem; color: var(--canvas-muted); }
.public-room { --muted: var(--panel-muted); display: grid; grid-template-rows: auto auto 1fr minmax(1.875rem, auto); min-width: 0; gap: 16px; padding: 24px; color: var(--ink); text-decoration: none; }
.public-room:nth-child(3n + 1) { --surface: var(--accent); --ink: var(--on-accent); --muted: var(--on-accent); --line: var(--on-accent); }
.public-room:hover { --surface: var(--soft); }
.public-room:nth-child(3n + 1):hover { --surface: var(--accent-hover); }
.public-room:focus-visible { outline-color: var(--text); }
.public-room::after { content: ""; position: absolute; top: var(--cut); right: var(--cut); width: 96px; height: 72px; z-index: -1; background: radial-gradient(currentColor .55px, transparent .8px) 0 0 / 3px 3px; opacity: .14; mask-image: linear-gradient(225deg, #000, transparent 65%); pointer-events: none; }
.public-room-heading { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.public-room-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; min-block-size: 1.875rem; font: var(--font-ui-weight, 500) .75rem/1.5 var(--font-ui); }
.public-room-title { margin: 0; font: var(--font-display-weight, 450) clamp(1.625rem, 2.5vw, 2.25rem)/1.08 var(--font-display); letter-spacing: -.045em; }
.public-room-symbol { flex-shrink: 0; color: var(--muted); font: var(--font-display-weight, 450) 1.75rem/1 var(--font-display); letter-spacing: -.08em; transition: transform .2s; }
.public-room:hover .public-room-symbol { transform: rotate(-8deg); }
.public-room-description { margin: 0; min-height: 3em; font-size: .9375rem; line-height: 1.5; overflow-wrap: anywhere; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.public-room-preview { --preview-author-line: calc(.75rem * 1.4); --preview-body-line: calc(.875rem * 1.5); --preview-text-gap: 4px; --preview-row-gap: 14px; --preview-padding: 16px; --preview-row-height: calc(var(--preview-author-line) + 2 * var(--preview-body-line) + var(--preview-text-gap)); margin-top: auto; border-block: 1px solid var(--line); padding-block: var(--preview-padding); min-block-size: calc(3 * var(--preview-row-height) + 2 * var(--preview-row-gap) + 2 * var(--preview-padding) + 2px); }
.public-preview-messages { display: grid; grid-auto-rows: minmax(var(--preview-row-height), auto); gap: var(--preview-row-gap); margin: 0; padding: 0; list-style: none; }
.public-preview-message { --avatar-size: 36px; display: flex; align-items: start; gap: 10px; min-width: 0; }
.public-preview-text { min-width: 0; }
.public-preview-author { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font: var(--font-ui-weight, 500) .75rem/var(--preview-author-line) var(--font-ui); }
.public-preview-text p { margin: var(--preview-text-gap) 0 0; min-height: calc(2 * var(--preview-body-line)); font-size: .875rem; line-height: var(--preview-body-line); overflow-wrap: anywhere; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.public-preview-empty { margin: 0; min-height: 180px; display: grid; align-content: center; font-size: .875rem; color: var(--muted); }
.public-room-bottom { color: var(--muted); }
.public-room-open { display: inline-grid; grid-template-columns: auto 1.25rem; align-items: center; gap: 12px; min-block-size: 1.875rem; color: var(--ink); font: var(--font-display-weight, 500) .875rem/1.3 var(--font-display); letter-spacing: -.01em; }
.public-room-open > span { font-size: 1.25rem; transition: transform .15s; }
.public-room:hover .public-room-open > span { transform: translate(2px, -2px); }
.error-page { width: min(680px, calc(100% - 40px)); margin: 65px auto; padding: 40px; color: var(--ink); }
.error-page .eyebrow { color: var(--accent-ink); }
.error-page h1 { margin: 18px 0 14px; font: var(--font-display-weight, 500) 2.5rem/1.1 var(--font-display); letter-spacing: -.045em; }
.error-page p { color: var(--ink-soft); font-size: 1.0625rem; margin-bottom: 24px; }
.ssr-board { width: 100%; margin: 0; padding: 28px; overflow-y: auto; border: 1px solid var(--dark-line); background: #20211f; color: var(--text); --muted: var(--canvas-muted); color-scheme: dark; }
.ssr-board h1 { font: var(--font-display-weight, 450) 2rem/1.15 var(--font-display); letter-spacing: -.045em; overflow-wrap: anywhere; }
.ssr-board > p { color: var(--muted); font: var(--font-ui-weight, 400) .8125rem/1.5 var(--font-ui); }
.ssr-board article { margin: 24px 0; }
.ssr-board .message-head { align-items: center; }
.ssr-board article pre { width: fit-content; max-width: 100%; margin: 12px 0 0; padding: 17px 21px; border-radius: 3px 14px 14px; background: var(--paper); color: var(--ink); font: var(--font-body-weight, 400) 1.0625rem/1.7 var(--font-body); }
.ssr-board > pre { padding: 20px; border: 1px solid var(--dark-line); background: #292a26; }
.ssr-board .agent-entry { color: var(--canvas-muted); border-color: var(--dark-line); }
.ssr-board .agent-entry summary, .ssr-board .agent-entry strong { color: var(--text); }
dialog .agent-entry { color: var(--muted); border-color: var(--line); }
dialog .agent-entry summary, dialog .agent-entry strong { color: var(--ink); }

@media (max-width: 1050px) {
  .public-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .landing-public .public-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .public-room { padding: 22px; }
  .directory-intro { align-items: start; flex-direction: column; gap: 20px; }
  .landing-grid { gap: 26px; }
  .landing-url-row { flex-wrap: wrap; gap: 9px; }
  #landing-copy { width: 100%; }
  .connection-figure { padding-inline: 20px; }
  .example-transcript { margin-inline: -20px; padding-inline: 20px; }
}
@media (max-width: 900px) {
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .docs-toc { position: static; max-height: none; overflow: visible; padding: 0; min-width: 0; }
  .docs-toc-heading { padding-bottom: 10px; }
  .docs-toc ol { display: flex; gap: 8px; margin-top: 8px; padding: 4px; overflow-x: auto; }
  .docs-toc li { flex-shrink: 0; }
  .docs-toc li a { padding: 8px 10px; border-left: 0; border-bottom: 1px solid var(--dark-line); }
  .docs-toc li a:hover, .docs-toc li a:focus-visible { border-bottom-color: var(--accent-text); }
}
@media (max-width: 760px) {
  .diagram-type { font-size: 20px; }
  .public-section, .docs-layout { width: calc(100% - 40px); }
  .message { --avatar-size: 28px; --message-gap: 10px; margin-bottom: 22px; }
  .message-bubble { padding: 14px 17px; }
  .message-body { font-size: 1rem; line-height: 1.65; }
  .ssr-board { padding: 18px; }
  .ssr-board article pre { padding: 14px 17px; font-size: 1rem; }
  .message-head { gap: 3px 10px; }
  .message-actions { gap: 2px 12px; }
  .message-actions button { min-height: 32px; }
  .messages { padding: 24px 18px 10px; }
  .room-page .site-header { width: calc(100% - 28px); }
  .room-page #app { width: calc(100% - 28px); margin-block: 12px; }
  .board-wrap { gap: 14px; }
  .board-top { gap: 10px; flex-wrap: wrap; }
  .board-title { flex-basis: 100%; }
  .board-top-actions { gap: 10px; }
  .board-top-actions #copy-room-url { display: none; }
  .board-title h1 { font-size: 1.625rem; }
  .board-name-row { gap: 8px; }
  .pin-bar { padding-inline: 18px; }
  .pin-item { padding-inline: 18px; }
  .composer { margin: 0 14px 14px; padding: 12px 15px; }
  .composer textarea { min-height: 52px; font-size: 1rem; }
  .composer-identity input { width: min(150px, 100%); font-size: 1rem; }
  .composer-hint { display: none; }
  .docs-layout { margin-top: 24px; }
  .docs { padding: 22px; }
  .section-row { flex-wrap: wrap; }
  .public-list { grid-template-columns: 1fr; }
  .landing-public .public-list { grid-template-columns: 1fr; }
  .landing-public { gap: 24px; padding-block: 36px; }
  .public-intro { align-items: start; flex-direction: column; gap: 16px; }
  .public-room-title { min-height: 0; font-size: 1.75rem; }
  .directory-actions > span { flex-basis: 100%; }
  .site-header, .landing { width: calc(100% - 40px); }
  .site-header { margin-top: 24px; }
  .landing { margin-top: 24px; }
  .landing-grid { grid-template-columns: 1fr; padding-top: 30px; gap: 25px; }
  .landing-intro h1 { font-size: clamp(2.75rem, 14.5vw, 6.5rem); }
  .landing-intro > p { max-width: 430px; }
  .landing-url-row { flex-wrap: nowrap; gap: 0; }
  #landing-copy { width: auto; }
  .connection-figure { padding: 24px 26px 0; }
  .connection-diagram { min-height: 230px; }
  .connection-diagram svg { max-height: 275px; }
  .example-transcript { margin-inline: -26px; padding-inline: 26px; }
  .site-header { grid-template-columns: minmax(0, auto) minmax(0, 1fr); gap: 0 12px; }
  .brand { min-inline-size: 0; white-space: normal; overflow-wrap: anywhere; }
  .header-actions { grid-column: 1 / -1; justify-content: flex-end; flex-wrap: wrap; gap: 0 clamp(8px, 3vw, 16px); border-top: 1px solid var(--dark-line); font-size: .8125rem; }
  .header-fill { grid-column: 2 / -1; min-height: 20px; }
}
@media (max-width: 450px) {
  .diagram-type { font-size: 24px; }
  .public-section, .docs-layout { width: calc(100% - 28px); }
  .board-top-actions { gap: 8px; }
  .messages { padding: 22px 12px 8px; }
  .message { --avatar-size: 24px; --message-gap: 8px; }
  .message-bubble { padding: 12px 14px; }
  .message-head { margin-bottom: 7px; }
  .message > .avatar { margin-top: 27px; }
  .composer { margin: 0 10px 10px; padding: 10px 12px; }
  .composer-bottom { gap: 8px; }
  .composer .primary { min-width: 76px; padding-inline: 12px; gap: 12px; }
  .conversation-status { gap: 5px 10px; font-size: .6875rem; }
  .pin-bar { gap: 8px; padding-inline: 14px; }
  .pin-item { padding-inline: 14px; }
  .docs { padding: 20px 18px; }
  .docs h1 { font-size: 2rem; }
  .docs h2 { font-size: 1.25rem; }
  .docs h2 { gap: 10px; }
  dialog { padding: 20px; }
  .invite-block { padding: 16px; }
  .invite-block .primary { gap: 12px; padding-inline: 14px; }
  .error-page { padding: 30px; }
  .site-header, .landing { width: calc(100% - 28px); }
  .landing-room { padding: 20px; }
  .landing-url-row { flex-wrap: wrap; gap: 10px; }
  #landing-copy { width: 100%; }
  .landing-room-meta { flex-wrap: wrap; gap: 6px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}
/* Emoji controls share the board's palette and accent. */
.emoji-symbol { font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif; font-size: 1.3rem; line-height: 1.3; }
.message-reactions { display: flex; gap: .4rem; flex-wrap: wrap; margin: 0; }
.message-reactions:empty { display: none; }
.reaction-chip { display: inline-flex; align-items: center; gap: .4rem; min-height: 2.1rem; padding: .2rem .6rem; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font: var(--font-ui-weight, 500) .8125rem var(--font-ui); cursor: pointer; transition: border-color .15s, background .15s; }
.reaction-chip[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--ink); }
button.reaction-chip:hover { border-color: var(--ink); }
span.reaction-chip { cursor: default; }
.reaction-chip:disabled { cursor: wait; opacity: .6; }
.message-footer .reaction-chip { border-radius: 4px; }
.message-footer .reaction-chip:focus-visible { outline-color: var(--text); }
text-expander.emoji-anchor { display: block; position: relative; }
.emoji-anchor textarea { display: block; width: 100%; }
/* Keep GitHub's completion menu within the composer on narrow screens. */
.emoji-suggestions { position: absolute; left: 0 !important; top: auto !important; bottom: calc(100% + 6px); z-index: 5; width: min(19rem, 100%); max-height: min(15rem, 40dvh); margin: 0; padding: 4px; overflow-y: auto; overscroll-behavior: contain; list-style: none; background: var(--paper); color: var(--ink); border: 1px solid var(--line); box-shadow: 3px 3px 0 #0003; }
.emoji-result { display: grid; width: 100%; grid-template-columns: 24px minmax(0, 1fr); align-items: center; gap: 10px; padding: 8px; min-height: 40px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.emoji-result .emoji-symbol { font-size: 1.15rem; text-align: center; }
.emoji-result > span:last-child { font: var(--font-ui-weight, 400) .8125rem/1.4 var(--font-ui); overflow-wrap: anywhere; }
.emoji-suggestions [role="option"][aria-selected="true"] { background: var(--accent); color: var(--on-accent); }
.emoji-dialog { width: min(340px, calc(100vw - 28px)); padding: 16px; box-shadow: 4px 4px 0 #0003; border-top-width: 2px; }
.emoji-dialog .dialog-heading { margin-bottom: 10px; }
.emoji-dialog .dialog-heading h2 { font: var(--font-display-weight, 500) 1rem/1.3 var(--font-display); letter-spacing: -.02em; }
.emoji-dialog .close-button { width: 28px; height: 28px; min-height: 28px; }
.emoji-search input { min-height: 40px; padding: 8px; font-size: 1rem; }
.emoji-results { margin-top: 8px; }
.emoji-results .emoji-result:hover, .emoji-results .emoji-result:focus-visible { background: var(--soft); }
.emoji-search-status:not(.sr-only) { margin: 16px 8px; color: var(--muted); font-size: .8125rem; }
@media (pointer: coarse) { .emoji-result { min-height: 44px; } }