:root {
  color-scheme: light;
  --bg: #f5f7fb; --surface: #fff; --soft: #eef2f8; --accent-soft: #edf3ff;
  --text: #172033; --muted: #5b687d; --faint: #8390a5; --border: #dce2ec;
  --blue: #4285e5; --purple: #7667d9; --green: #2ca675; --red: #d85d68; --amber: #d7983b;
  --shadow: 0 10px 30px rgba(35,47,73,.09); --sidebar: 264px; --rail: 320px;
  font-family: 'DM Sans', sans-serif; font-synthesis: none;
}
[data-theme='dark'] {
  color-scheme: dark; --bg: #0e121b; --surface: #151b27; --soft: #202938; --accent-soft: #17253d;
  --text: #edf1f8; --muted: #a9b4c6; --faint: #748198; --border: #2a3446;
  --blue: #66a5ff; --purple: #9889f3; --green: #4dc995; --red: #ef7781; --amber: #edb65f;
  --shadow: 0 12px 34px rgba(0,0,0,.28);
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body { min-width: 320px; min-height: 100vh; margin: 0; overflow-x: hidden; color: var(--text); background: linear-gradient(90deg,color-mix(in srgb,var(--blue) 3%,transparent) 1px,transparent 1px),linear-gradient(color-mix(in srgb,var(--purple) 3%,transparent) 1px,transparent 1px),var(--bg); background-size: 32px 32px; }
button,input,select,textarea { font: inherit; }
button { color: inherit; }
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.app-shell { display: grid; min-height: 100vh; grid-template: 64px 1fr / var(--sidebar) minmax(0,1fr) var(--rail); }
.topbar { position: sticky; z-index: 30; top: 0; display: grid; grid-column: 1/-1; grid-template-columns: calc(var(--sidebar) - 24px) minmax(280px,680px) 1fr; align-items: center; gap: 24px; height: 64px; border-bottom: 1px solid var(--border); padding: 0 20px; background: color-mix(in srgb,var(--surface) 92%,transparent); backdrop-filter: blur(14px); }
.brand { display: inline-flex; width: fit-content; align-items: center; gap: 10px; color: var(--text); font: 700 1.25rem 'Space Mono',monospace; text-decoration: none; }
.brand-mark { display: grid; width: 27px; height: 27px; grid-template: repeat(3,7px)/repeat(3,7px); gap: 2px; transform: rotate(-6deg); }
.brand-mark i { display: block; background: var(--blue); }
.brand-mark i:first-child { grid-area: 1/1/3/3; }.brand-mark i:nth-child(2) { grid-area: 2/3/4/4; background: var(--purple); }.brand-mark i:last-child { grid-area: 3/1/4/3; background: color-mix(in srgb,var(--blue) 55%,var(--purple)); }
.search-box { display: flex; height: 40px; align-items: center; gap: 10px; border: 1px solid var(--border); border-radius: 7px; padding: 0 11px; background: var(--soft); color: var(--faint); }
.search-box:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb,var(--blue) 14%,transparent); background: var(--surface); }
.search-box svg { width: 17px; }.search-box input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--text); }.search-box input::placeholder { color: var(--faint); }
kbd { border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; padding: 2px 6px; background: var(--surface); color: var(--faint); font: 0.625rem 'Space Mono',monospace; }
.top-actions { display: flex; align-items: center; justify-content: flex-end; gap: 7px; }
.icon-button,.avatar-button { display: inline-grid; width: 38px; height: 38px; place-items: center; border: 1px solid transparent; border-radius: 7px; background: transparent; cursor: pointer; }.icon-button:hover { border-color: var(--border); background: var(--soft); }.icon-button svg { width: 18px; }
.notification-button { position: relative; }.notification-dot { position: absolute; top: 7px; right: 7px; width: 7px; height: 7px; border: 2px solid var(--surface); border-radius: 50%; background: var(--purple); }
.avatar-button,.mini-avatar { border: 0; background: linear-gradient(135deg,var(--blue),var(--purple)); color: #fff; font: 700 0.6875rem 'Space Mono',monospace; }
.primary-button,.secondary-button { display: inline-flex; height: 38px; align-items: center; justify-content: center; gap: 7px; border: 1px solid transparent; border-radius: 7px; padding: 0 14px; font-weight: 600; cursor: pointer; }.primary-button { background: linear-gradient(105deg,var(--blue),var(--purple)); color: #fff; box-shadow: 0 5px 14px color-mix(in srgb,var(--purple) 20%,transparent); }.primary-button:hover { filter: brightness(1.06); }.primary-button svg { width: 17px; }.secondary-button { border-color: var(--border); background: var(--surface); }.secondary-button:hover { background: var(--soft); }
.sidebar { position: sticky; z-index: 20; top: 64px; display: grid; height: calc(100vh - 64px); grid-template-rows: 1fr auto; border-right: 1px solid var(--border); background: color-mix(in srgb,var(--surface) 86%,var(--bg)); }
.sidebar-scroll { min-height: 0; overflow-y: auto; padding: 18px 12px; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.quick-nav { display: grid; gap: 4px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.nav-row { display: flex; width: 100%; height: 38px; align-items: center; gap: 11px; border: 0; border-radius: 6px; padding: 0 11px; background: transparent; color: var(--muted); cursor: pointer; }.nav-row svg { width: 17px; }.nav-row:hover,.nav-row.active { background: var(--accent-soft); color: var(--blue); }.nav-row.active { font-weight: 600; }
.community-nav { padding-top: 18px; }.section-label { display: flex; align-items: center; justify-content: space-between; padding: 0 8px 10px; color: var(--faint); font-size: 0.6875rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }.section-label svg { width: 14px; }
.edition-switch { display: grid; grid-template-columns: 1fr 1fr; margin: 0 6px 14px; border: 1px solid var(--border); border-radius: 6px; padding: 3px; background: var(--soft); }.edition-switch button { height: 29px; border: 0; border-radius: 4px; background: transparent; color: var(--muted); font-size: 0.75rem; font-weight: 600; cursor: pointer; }.edition-switch button.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 5px rgba(31,44,68,.1); }
.category-group { margin-bottom: 4px; }.category-parent { display: flex; width: 100%; height: 38px; align-items: center; gap: 9px; border: 0; border-radius: 6px; padding: 0 9px; background: transparent; cursor: pointer; }.category-parent:hover { background: var(--soft); }.category-symbol { display: grid; width: 22px; height: 22px; place-items: center; border-radius: 5px; background: color-mix(in srgb,var(--group-color) 15%,transparent); color: var(--group-color); }.category-symbol svg { width: 13px; }.category-parent>span:nth-child(2) { min-width: 0; flex: 1; overflow: hidden; font-size: 0.8125rem; font-weight: 600; text-align: left; text-overflow: ellipsis; white-space: nowrap; }.category-parent>svg { width: 14px; color: var(--faint); transition: transform 180ms; }.category-group.expanded .category-parent>svg { transform: rotate(90deg); }
.category-children { display: none; padding: 3px 0 6px 39px; }.category-group.expanded .category-children { display: grid; }.category-child { position: relative; height: 30px; overflow: hidden; border: 0; padding: 0 8px; background: transparent; color: var(--muted); cursor: pointer; font-size: 0.75rem; text-align: left; text-overflow: ellipsis; white-space: nowrap; }.category-child::before { position: absolute; top: 0; bottom: 0; left: -13px; width: 1px; background: var(--border); content: ''; }.category-child:hover,.category-child.active { color: var(--blue); }.category-child.active { font-weight: 700; }
.sidebar-footer { display: grid; gap: 7px; border-top: 1px solid var(--border); padding: 13px 20px; color: var(--faint); font: 0.5625rem 'Space Mono',monospace; }.system-line { display: flex; align-items: center; gap: 6px; color: var(--muted); }.system-dot,.connection-light { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }.connected { background: var(--green); box-shadow: 0 0 8px color-mix(in srgb,var(--green) 65%,transparent); }.unavailable { background: var(--red); }
.main-content { width: min(100%,820px); margin: 0 auto; padding: 30px 28px 80px; }.feed-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }.eyebrow { margin: 0 0 5px; color: var(--faint); font: 0.625rem 'Space Mono',monospace; letter-spacing: .06em; text-transform: uppercase; }.feed-header h1 { margin: 0; font-size: 1.6875rem; line-height: 1.1; letter-spacing: 0; }
.feed-tabs { display: flex; gap: 3px; border: 1px solid var(--border); border-radius: 6px; padding: 3px; background: var(--soft); }.feed-tabs button { height: 29px; border: 0; border-radius: 4px; padding: 0 11px; background: transparent; color: var(--muted); cursor: pointer; font-size: 0.75rem; font-weight: 600; }.feed-tabs button.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(31,44,68,.08); }
.topic-strip { display: flex; gap: 7px; overflow-x: auto; margin: 0 -28px 16px; padding: 0 28px 3px; scrollbar-width: none; }.topic-strip::-webkit-scrollbar { display: none; }.topic-chip { flex: 0 0 auto; height: 30px; border: 1px solid var(--border); border-radius: 999px; padding: 0 11px; background: var(--surface); color: var(--muted); cursor: pointer; font-size: 0.6875rem; font-weight: 600; }.topic-chip:hover,.topic-chip.active { border-color: var(--blue); background: var(--accent-soft); color: var(--blue); }
.composer-prompt { display: flex; width: 100%; height: 54px; align-items: center; gap: 11px; margin-bottom: 12px; border: 1px solid var(--border); border-radius: 8px; padding: 0 12px; background: var(--surface); color: var(--faint); cursor: pointer; text-align: left; }.composer-prompt:hover { box-shadow: var(--shadow); }.composer-prompt>span:nth-child(2) { flex: 1; }.composer-prompt svg { width: 18px; }.mini-avatar { display: grid; width: 29px; height: 29px; flex: 0 0 auto; place-items: center; border-radius: 5px; }.feed { display: grid; gap: 10px; }
.post-card { display: grid; grid-template-columns: 46px minmax(0,1fr); overflow: hidden; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); box-shadow: 0 2px 12px rgba(34,45,68,.035); transition: 160ms; }.post-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); }.vote-rail { display: flex; flex-direction: column; align-items: center; gap: 2px; border-right: 1px solid var(--border); padding-top: 14px; background: color-mix(in srgb,var(--soft) 58%,transparent); }.vote-button { display: grid; width: 28px; height: 25px; place-items: center; border: 0; border-radius: 4px; background: transparent; color: var(--faint); cursor: pointer; }.vote-button:hover { background: var(--accent-soft); color: var(--blue); }.vote-button.active { color: var(--purple); }.vote-button svg { width: 16px; }.vote-count { font: 700 0.625rem 'Space Mono',monospace; }
.post-content { min-width: 0; padding: 14px 15px 11px; }.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 8px; color: var(--faint); font-size: 0.625rem; }.community-name { color: var(--muted); font-weight: 700; }.type-badge,.edition-badge,.solved-badge { display: inline-flex; height: 20px; align-items: center; gap: 4px; border-radius: 4px; padding: 0 6px; font-size: 0.5625rem; font-weight: 700; text-transform: uppercase; }.type-badge { background: color-mix(in srgb,var(--type-color) 13%,transparent); color: var(--type-color); }.edition-badge { border: 1px solid var(--border); color: var(--muted); }.solved-badge { background: color-mix(in srgb,var(--green) 14%,transparent); color: var(--green); }.post-card h2 { margin: 0 0 6px; font-size: 1.0625rem; line-height: 1.3; letter-spacing: 0; cursor: pointer; }.post-card h2:hover { color: var(--blue); }.post-excerpt { display: -webkit-box; overflow: hidden; margin: 0; color: var(--muted); font-size: 0.75rem; line-height: 1.52; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }.post-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }.tag { border-radius: 4px; padding: 3px 6px; background: var(--soft); color: var(--muted); font: 0.5rem 'Space Mono',monospace; }
.post-actions { display: flex; align-items: center; gap: 4px; margin: 11px -3px -3px; }.post-action { display: inline-flex; height: 28px; align-items: center; gap: 6px; border: 0; border-radius: 5px; padding: 0 7px; background: transparent; color: var(--faint); cursor: pointer; font-size: 0.625rem; font-weight: 600; }.post-action:hover { background: var(--soft); color: var(--text); }.post-action.saved { color: var(--purple); }.post-action svg { width: 14px; }.post-action.download { margin-left: auto; border: 1px solid var(--border); color: var(--blue); }
.schematic-preview { position: relative; display: grid; height: 174px; margin: 12px 0 2px; place-items: center; overflow: hidden; border: 1px solid var(--border); border-radius: 6px; background-color: #172337; background-image: linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px); background-size: 18px 18px; }.schematic-preview::after { position: absolute; right: 10px; bottom: 9px; border: 1px solid rgba(255,255,255,.18); border-radius: 4px; padding: 3px 6px; background: rgba(7,12,21,.62); color: rgba(255,255,255,.72); content: '3D preview'; font: 0.5rem 'Space Mono',monospace; }.voxel-scene { position: relative; width: 190px; height: 120px; transform: skewY(-5deg); }.voxel { position: absolute; width: var(--w); height: var(--h); border: 1px solid rgba(255,255,255,.16); background: var(--c); box-shadow: inset -8px -8px rgba(0,0,0,.14),0 10px 20px rgba(0,0,0,.22); }.preview-vault .v1 { --w:150px;--h:88px;--c:#76899b;left:20px;top:20px }.preview-vault .v2 { --w:92px;--h:62px;--c:#293645;left:49px;top:46px }.preview-vault .v3 { --w:12px;--h:56px;--c:#c77c42;left:88px;top:50px }.preview-vault .v4 { --w:74px;--h:9px;--c:#8ed4df;left:57px;top:70px;box-shadow:0 0 15px #8ed4df }.preview-computer .v1 { --w:170px;--h:18px;--c:#49586b;left:8px;top:95px }.preview-computer .v2 { --w:32px;--h:76px;--c:#826ad9;left:24px;top:19px }.preview-computer .v3 { --w:32px;--h:58px;--c:#4f94d8;left:72px;top:37px }.preview-computer .v4 { --w:50px;--h:84px;--c:#d16e82;left:120px;top:11px }.preview-build .v1 { --w:170px;--h:22px;--c:#4f755c;left:8px;top:92px }.preview-build .v2 { --w:98px;--h:62px;--c:#b99772;left:45px;top:31px }.preview-build .v3 { --w:38px;--h:82px;--c:#65768e;left:74px;top:11px }.preview-build .v4 { --w:116px;--h:12px;--c:#7cc7da;left:35px;top:25px }
.empty-state { padding: 70px 20px; color: var(--muted); text-align: center; }.empty-state svg { width: 34px; color: var(--faint); }.empty-state h2 { margin: 13px 0 4px; font-size: 1.125rem; }.empty-state p { margin: 0 0 16px; font-size: 0.75rem; }
.right-rail { position: sticky; top: 64px; height: calc(100vh - 64px); overflow-y: auto; border-left: 1px solid var(--border); padding: 24px 18px 70px; background: color-mix(in srgb,var(--surface) 72%,var(--bg)); scrollbar-width: thin; }.rail-section { margin-bottom: 14px; border: 1px solid var(--border); border-radius: 8px; padding: 14px; background: var(--surface); }.rail-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }.rail-heading h2 { margin: 0; font-size: 0.8125rem; }.rail-heading>svg { width: 16px; color: var(--faint); }.text-button { border: 0; padding: 0; background: transparent; color: var(--blue); cursor: pointer; font-size: 0.625rem; font-weight: 700; }.live-label { border-radius: 4px; padding: 3px 6px; background: color-mix(in srgb,var(--green) 14%,transparent); color: var(--green); font: 0.5rem 'Space Mono',monospace; text-transform: uppercase; }.service-row { display: grid; grid-template-columns: 31px 1fr auto; align-items: center; gap: 9px; padding: 8px 0; }.service-row+.service-row { border-top: 1px solid var(--border); }.service-icon { display: grid; width: 29px; height: 29px; place-items: center; border-radius: 6px; background: var(--soft); color: var(--purple); }.service-icon svg { width: 14px; }.service-row strong,.service-row small { display: block; }.service-row strong { font-size: 0.6875rem; }.service-row small { margin-top: 2px; color: var(--faint); font-size: 0.5625rem; }
.trending-item { display: grid; grid-template-columns: 46px minmax(0,1fr) auto; align-items: center; gap: 9px; padding: 8px 0; cursor: pointer; }.trending-item+.trending-item,.question-item+.question-item { border-top: 1px solid var(--border); }.trend-thumb { display: grid; width: 46px; height: 38px; place-items: end start; border-radius: 5px; padding: 4px; background: linear-gradient(145deg,var(--thumb),#172337); color: #fff; font: 0.4375rem 'Space Mono',monospace; }.trending-item strong { display: block; overflow: hidden; font-size: 0.625rem; text-overflow: ellipsis; white-space: nowrap; }.trending-item small { display: block; margin-top: 3px; color: var(--faint); font-size: 0.5rem; }.trend-count { color: var(--faint); font: 0.5rem 'Space Mono',monospace; }.question-item { display: block; padding: 9px 0; color: var(--text); text-decoration: none; }.question-item strong { display: -webkit-box; overflow: hidden; font-size: 0.625rem; line-height: 1.4; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }.question-item span { display: inline-block; margin-top: 5px; color: var(--amber); font-size: 0.5rem; }
.community-pulse { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; border-radius: 8px; padding: 14px; background: linear-gradient(135deg,color-mix(in srgb,var(--blue) 15%,var(--surface)),color-mix(in srgb,var(--purple) 15%,var(--surface))); }.community-pulse>p { grid-column: 1/-1; margin: 0 0 3px; font-size: 0.6875rem; font-weight: 700; }.community-pulse strong,.community-pulse span { display: block; }.community-pulse strong { font: 0.6875rem 'Space Mono',monospace; }.community-pulse span { margin-top: 2px; color: var(--faint); font-size: 0.5rem; }
.scrim { position: fixed; z-index: 50; inset: 0; background: rgba(9,13,21,.48); backdrop-filter: blur(2px); }.notification-drawer { position: fixed; z-index: 60; top: 0; right: 0; display: none; width: min(400px,100vw); height: 100vh; grid-template-rows: auto 1fr auto; border-left: 1px solid var(--border); background: var(--surface); box-shadow: -20px 0 45px rgba(0,0,0,.18); }.notification-drawer.open { display: grid; }.drawer-header { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); padding: 20px; }.drawer-header h2 { margin: 0; font-size: 1.25rem; }.notification-list { overflow-y: auto; padding: 8px 18px; }.notification-item { display: grid; grid-template-columns: 34px 1fr; gap: 10px; border-bottom: 1px solid var(--border); padding: 14px 3px; }.notification-symbol { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 7px; background: var(--accent-soft); color: var(--blue); }.notification-symbol svg { width: 15px; }.notification-item p { margin: 0; color: var(--muted); font-size: 0.6875rem; line-height: 1.45; }.notification-item strong { color: var(--text); }.notification-item time { display: block; margin-top: 4px; color: var(--faint); font: 0.5rem 'Space Mono',monospace; }.drawer-footer { height: 48px; border: 0; border-top: 1px solid var(--border); background: var(--surface); color: var(--blue); cursor: pointer; font-size: 0.6875rem; font-weight: 700; }
dialog { color: var(--text); }dialog::backdrop { background: rgba(7,11,19,.62); backdrop-filter: blur(4px); }.composer-dialog,.post-dialog { width: min(680px,calc(100vw - 28px)); max-height: calc(100vh - 30px); overflow: auto; border: 1px solid var(--border); border-radius: 9px; padding: 0; background: var(--surface); box-shadow: 0 28px 70px rgba(0,0,0,.28); }.composer-dialog form,.post-dialog-content { padding: 20px; }.dialog-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }.dialog-header h2 { margin: 0; font-size: 1.3125rem; }.post-type-picker { display: grid; grid-template-columns: repeat(4,1fr); gap: 7px; margin-bottom: 18px; }.post-type-picker button { display: grid; height: 62px; place-items: center; gap: 3px; border: 1px solid var(--border); border-radius: 6px; background: var(--soft); color: var(--muted); cursor: pointer; font-size: 0.625rem; }.post-type-picker button.active { border-color: var(--purple); background: color-mix(in srgb,var(--purple) 10%,var(--surface)); color: var(--purple); }.post-type-picker svg { width: 17px; }.field { display: grid; gap: 6px; margin-bottom: 13px; }.field>span { color: var(--muted); font-size: 0.625rem; font-weight: 700; }.field input,.field select,.field textarea { width: 100%; border: 1px solid var(--border); border-radius: 6px; padding: 10px 11px; outline: 0; background: var(--soft); color: var(--text); }.field textarea { resize: vertical; }.field input:focus,.field select:focus,.field textarea:focus { border-color: var(--blue); background: var(--surface); }.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }.upload-field { display: grid; min-height: 115px; place-items: center; align-content: center; gap: 4px; margin-bottom: 15px; border: 1px dashed var(--border); border-radius: 7px; background: var(--soft); cursor: pointer; text-align: center; }.upload-field:hover { border-color: var(--purple); }.upload-field svg { width: 24px; color: var(--purple); }.upload-field strong { font-size: 0.6875rem; }.upload-field small { color: var(--faint); font-size: 0.5625rem; }.upload-field input { display: none; }.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; border-top: 1px solid var(--border); margin: 20px -20px -20px; padding: 14px 20px; }
.post-dialog-close { float: right; }.detail-header { padding-right: 45px; }.detail-header h2 { margin: 8px 0; font-size: 1.5rem; line-height: 1.25; }.detail-body { color: var(--muted); font-size: 0.8125rem; line-height: 1.65; }.comment-section { border-top: 1px solid var(--border); margin-top: 20px; padding-top: 16px; }.comment-section h3 { font-size: 0.8125rem; }.comment-box { display: flex; gap: 8px; }.comment-box input { min-width: 0; flex: 1; border: 1px solid var(--border); border-radius: 6px; padding: 9px 10px; background: var(--soft); color: var(--text); }.comment { display: grid; grid-template-columns: 28px 1fr; gap: 9px; margin-top: 14px; }.comment-avatar { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 5px; background: var(--accent-soft); color: var(--blue); font: 700 0.5rem 'Space Mono',monospace; }.comment p { margin: 3px 0; color: var(--muted); font-size: 0.6875rem; line-height: 1.5; }.comment strong { font-size: 0.625rem; }.accepted-answer { border: 1px solid color-mix(in srgb,var(--green) 35%,var(--border)); border-radius: 7px; padding: 12px; background: color-mix(in srgb,var(--green) 6%,var(--surface)); }.accepted-answer::before { display: block; margin-bottom: 7px; color: var(--green); content: '✓ Accepted answer'; font-size: 0.5625rem; font-weight: 700; text-transform: uppercase; }
.toast { position: fixed; z-index: 100; right: 24px; bottom: 24px; max-width: 320px; border: 1px solid var(--border); border-radius: 7px; padding: 11px 14px; background: var(--surface); box-shadow: var(--shadow); font-size: 0.6875rem; opacity: 0; pointer-events: none; transform: translateY(10px); transition: 180ms; }.toast.show { opacity: 1; transform: translateY(0); }.mobile-only,.mobile-nav { display: none; }
@media (max-width:1180px) { :root { --rail:286px;--sidebar:240px }.topbar { grid-template-columns: calc(var(--sidebar) - 24px) minmax(280px,1fr) auto } }
@media (max-width:980px) { .app-shell { grid-template-columns: var(--sidebar) minmax(0,1fr) }.right-rail { display:none } }
@media (max-width:720px) {
  body { padding-bottom:62px }.mobile-only { display:inline-grid }.app-shell { display:block }.topbar { display:grid;height:58px;grid-template-columns:38px 1fr auto;gap:7px;padding:0 11px }.topbar .brand { font-size:1.125rem }.brand-mark { transform:scale(.88) rotate(-6deg) }.search-box { display:none }.top-actions { gap:2px }.top-actions .primary-button,.top-actions .avatar-button { display:none }
  .sidebar { position:fixed;z-index:70;top:0;left:0;width:min(300px,88vw);height:100vh;transform:translateX(-105%);transition:transform 220ms;box-shadow:20px 0 45px rgba(0,0,0,.2) }.sidebar.open { transform:translateX(0) }.main-content { width:100%;padding:22px 14px 80px }.feed-header { align-items:center }.feed-header h1 { font-size:1.4375rem }.feed-header .eyebrow { display:none }.feed-tabs button { padding:0 8px }.topic-strip { margin:0 -14px 14px;padding:0 14px 3px }.composer-prompt { height:50px }
  .post-card { grid-template-columns:1fr }.vote-rail { flex-direction:row;justify-content:flex-start;border-top:1px solid var(--border);border-right:0;padding:5px 12px;order:2 }.post-content { padding:13px 13px 8px }.post-card h2 { font-size:1rem }.schematic-preview { height:150px }
  .mobile-nav { position:fixed;z-index:40;right:0;bottom:0;left:0;display:grid;height:62px;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--border);background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(14px) }.mobile-nav button { display:grid;place-items:center;align-content:center;gap:3px;border:0;background:transparent;color:var(--faint) }.mobile-nav button.active { color:var(--blue) }.mobile-nav svg { width:18px }.mobile-nav small { font-size:0.5rem }.mobile-nav .mobile-create { place-self:center;width:42px;height:42px;border-radius:7px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;transform:translateY(-11px);box-shadow:0 7px 18px color-mix(in srgb,var(--purple) 28%,transparent) }
  .post-type-picker { grid-template-columns:repeat(2,1fr) }.field-grid { grid-template-columns:1fr;gap:0 }.toast { right:14px;bottom:76px;left:14px;max-width:none }
}
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important } }:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-raised: #ffffff;
  --surface-soft: #eef2f8;
  --surface-accent: #edf3ff;
  --text: #172033;
  --text-soft: #58657a;
  --text-faint: #8390a5;
  --border: #dce2ec;
  --border-strong: #c8d1df;
  --blue: #4285e5;
  --blue-strong: #2e6dcc;
  --purple: #7667d9;
  --green: #2ca675;
  --red: #d85d68;
  --amber: #d7983b;
  --shadow: 0 8px 30px rgba(35, 47, 73, 0.08);
  --sidebar-width: 264px;
  --rail-width: 320px;
  font-family: 'DM Sans', sans-serif;
  font-synthesis: none;
}

[data-theme='dark'] {
  color-scheme: dark;
  --bg: #0e121b;
  --surface: #151b27;
  --surface-raised: #1a2230;
  --surface-soft: #202938;
  --surface-accent: #17253d;
  --text: #edf1f8;
  --text-soft: #a9b4c6;
  --text-faint: #748198;
  --border: #283244;
  --border-strong: #364158;
  --blue: #66a5ff;
  --blue-strong: #80b4ff;
  --purple: #9889f3;
  --green: #4dc995;
  --red: #ef7781;
  --amber: #edb65f;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }
html { background: var(--bg); font-size: 16px; }
html[data-text-size='small'] { font-size: 14px; }
html[data-text-size='large'] { font-size: 18px; }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.app-shell { display: grid; min-height: 100vh; grid-template-columns: var(--sidebar-width) minmax(0, 1fr) var(--rail-width); grid-template-rows: 64px 1fr; }

.topbar {
  position: sticky;
  z-index: 30;
  top: 0;
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: calc(var(--sidebar-width) - 24px) minmax(280px, 680px) 1fr;
  align-items: center;
  gap: 24px;
  height: 64px;
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; width: fit-content; align-items: center; gap: 10px; color: var(--text); font-family: 'Space Mono', monospace; font-size: 1.25rem; font-weight: 700; text-decoration: none; }
.brand-mark { display: grid; width: 27px; height: 27px; grid-template-columns: repeat(3, 7px); grid-template-rows: repeat(3, 7px); gap: 2px; transform: rotate(-6deg); }
.brand-mark i { display: block; background: var(--blue); }
.brand-mark i:nth-child(1) { grid-area: 1 / 1 / 3 / 3; }
.brand-mark i:nth-child(2) { grid-area: 2 / 3 / 4 / 4; background: var(--purple); }
.brand-mark i:nth-child(3) { grid-area: 3 / 1 / 4 / 3; background: color-mix(in srgb, var(--blue) 55%, var(--purple)); }
.search-box { display: flex; height: 40px; align-items: center; gap: 10px; border: 1px solid var(--border); border-radius: 7px; padding: 0 11px; background: var(--surface-soft); color: var(--text-faint); }
.search-box:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 14%, transparent); background: var(--surface); }
.search-box svg { width: 17px; }
.search-box input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--text); }
.search-box input::placeholder { color: var(--text-faint); }
kbd { border: 1px solid var(--border-strong); border-bottom-width: 2px; border-radius: 4px; padding: 2px 6px; background: var(--surface); color: var(--text-faint); font-family: 'Space Mono', monospace; font-size: 0.625rem; }
.top-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.icon-button, .avatar-button { display: inline-grid; width: 38px; height: 38px; place-items: center; border: 1px solid transparent; border-radius: 7px; background: transparent; cursor: pointer; }
.icon-button:hover { border-color: var(--border); background: var(--surface-soft); }
.icon-button svg { width: 18px; height: 18px; }
.notification-button { position: relative; }
.notification-dot { position: absolute; top: 7px; right: 7px; width: 7px; height: 7px; border: 2px solid var(--surface); border-radius: 50%; background: var(--purple); }
.avatar-button, .mini-avatar { border: 0; background: linear-gradient(135deg, var(--blue), var(--purple)); color: white; font-family: 'Space Mono', monospace; font-size: 0.6875rem; font-weight: 700; }
.primary-button, .secondary-button { display: inline-flex; height: 38px; align-items: center; justify-content: center; gap: 7px; border: 1px solid transparent; border-radius: 7px; padding: 0 14px; font-weight: 600; cursor: pointer; }
.primary-button { background: linear-gradient(105deg, var(--blue), var(--purple)); color: white; box-shadow: 0 5px 14px color-mix(in srgb, var(--purple) 20%, transparent); }
.primary-button:hover { filter: brightness(1.06); }
.primary-button svg { width: 17px; }
.secondary-button { border-color: var(--border); background: var(--surface); }
.secondary-button:hover { background: var(--surface-soft); }

.sidebar { position: sticky; z-index: 20; top: 64px; display: grid; height: calc(100vh - 64px); grid-template-rows: 1fr auto; border-right: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 86%, var(--bg)); }
.sidebar-scroll { min-height: 0; overflow-y: auto; padding: 18px 12px; scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
.quick-nav { display: grid; gap: 4px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.nav-row { display: flex; width: 100%; height: 38px; align-items: center; gap: 11px; border: 0; border-radius: 6px; padding: 0 11px; background: transparent; color: var(--text-soft); cursor: pointer; text-align: left; }
.nav-row svg { width: 17px; }
.nav-row:hover, .nav-row.active { background: var(--surface-accent); color: var(--blue-strong); }
.nav-row.active { font-weight: 600; }
.community-nav { padding-top: 18px; }
.section-label { display: flex; align-items: center; justify-content: space-between; padding: 0 8px 10px; color: var(--text-faint); font-size: 0.6875rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.section-label svg { width: 14px; }
.edition-switch { display: grid; grid-template-columns: 1fr 1fr; margin: 0 6px 14px; border: 1px solid var(--border); border-radius: 6px; padding: 3px; background: var(--surface-soft); }
.edition-switch button { height: 29px; border: 0; border-radius: 4px; background: transparent; color: var(--text-soft); font-size: 0.75rem; font-weight: 600; cursor: pointer; }
.edition-switch button.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 5px rgba(31, 44, 68, .1); }
.category-group { margin-bottom: 4px; }
.category-parent { display: flex; width: 100%; height: 38px; align-items: center; gap: 9px; border: 0; border-radius: 6px; padding: 0 9px; background: transparent; cursor: pointer; }
.category-parent:hover { background: var(--surface-soft); }
.category-symbol { display: grid; width: 22px; height: 22px; place-items: center; border-radius: 5px; background: color-mix(in srgb, var(--group-color) 15%, transparent); color: var(--group-color); }
.category-symbol svg { width: 13px; }
.category-parent > span:nth-child(2) { min-width: 0; flex: 1; overflow: hidden; font-size: 0.8125rem; font-weight: 600; text-align: left; text-overflow: ellipsis; white-space: nowrap; }
.category-parent > svg { width: 14px; color: var(--text-faint); transition: transform 180ms ease; }
.category-group.expanded .category-parent > svg { transform: rotate(90deg); }
.category-children { display: none; padding: 3px 0 6px 39px; }
.category-group.expanded .category-children { display: grid; }
.category-child { position: relative; height: 30px; overflow: hidden; border: 0; padding: 0 8px; background: transparent; color: var(--text-soft); cursor: pointer; font-size: 0.75rem; text-align: left; text-overflow: ellipsis; white-space: nowrap; }
.category-child::before { position: absolute; top: 0; bottom: 0; left: -13px; width: 1px; background: var(--border); content: ''; }
.category-child:hover, .category-child.active { color: var(--blue-strong); }
.category-child.active { font-weight: 700; }
.sidebar-footer { display: grid; gap: 7px; border-top: 1px solid var(--border); padding: 13px 20px; color: var(--text-faint); font-family: 'Space Mono', monospace; font-size: 0.5625rem; }
.system-line { display: flex; align-items: center; gap: 6px; color: var(--text-soft); }
.system-dot, .connection-light { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint); }
.system-dot.connected, .connection-light.connected { background: var(--green); box-shadow: 0 0 8px color-mix(in srgb, var(--green) 65%, transparent); }
.system-dot.unavailable, .connection-light.unavailable { background: var(--red); }

.main-content { width: min(100%, 820px); margin: 0 auto; padding: 30px 28px 80px; }
.feed-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.eyebrow { margin: 0 0 5px; color: var(--text-faint); font-family: 'Space Mono', monospace; font-size: 0.625rem; letter-spacing: .06em; text-transform: uppercase; }
h1, h2, h3, p { letter-spacing: 0; }
.feed-header h1 { margin: 0; font-size: 1.6875rem; line-height: 1.1; }
.feed-tabs { display: flex; gap: 3px; border: 1px solid var(--border); border-radius: 6px; padding: 3px; background: var(--surface-soft); }
.feed-tabs button { height: 29px; border: 0; border-radius: 4px; padding: 0 11px; background: transparent; color: var(--text-soft); cursor: pointer; font-size: 0.75rem; font-weight: 600; }
.feed-tabs button.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(31, 44, 68, .08); }
.topic-strip { display: flex; gap: 7px; overflow-x: auto; margin: 0 -28px 16px; padding: 0 28px 3px; scrollbar-width: none; }
.topic-strip::-webkit-scrollbar { display: none; }
.topic-chip { flex: 0 0 auto; height: 30px; border: 1px solid var(--border); border-radius: 999px; padding: 0 11px; background: var(--surface); color: var(--text-soft); cursor: pointer; font-size: 0.6875rem; font-weight: 600; }
.topic-chip:hover, .topic-chip.active { border-color: color-mix(in srgb, var(--blue) 50%, var(--border)); background: var(--surface-accent); color: var(--blue-strong); }
.composer-prompt { display: flex; width: 100%; height: 54px; align-items: center; gap: 11px; margin-bottom: 12px; border: 1px solid var(--border); border-radius: 8px; padding: 0 12px; background: var(--surface); color: var(--text-faint); cursor: pointer; text-align: left; box-shadow: 0 2px 10px rgba(35, 47, 73, .03); }
.composer-prompt:hover { border-color: var(--border-strong); box-shadow: var(--shadow); }
.composer-prompt > span:nth-child(2) { flex: 1; }
.composer-prompt > svg { width: 18px; }
.mini-avatar { display: grid; width: 29px; height: 29px; flex: 0 0 auto; place-items: center; border-radius: 5px; }
.feed { display: grid; gap: 10px; }
.post-card { display: grid; grid-template-columns: 46px minmax(0, 1fr); overflow: hidden; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); box-shadow: 0 2px 12px rgba(34, 45, 68, .035); transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease; }
.post-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow); transform: translateY(-1px); }
.vote-rail { display: flex; flex-direction: column; align-items: center; gap: 2px; border-right: 1px solid var(--border); padding-top: 14px; background: color-mix(in srgb, var(--surface-soft) 58%, transparent); }
.vote-button { display: grid; width: 28px; height: 25px; place-items: center; border: 0; border-radius: 4px; background: transparent; color: var(--text-faint); cursor: pointer; }
.vote-button:hover { background: var(--surface-accent); color: var(--blue); }
.vote-button.active { color: var(--purple); }
.vote-button svg { width: 16px; }
.vote-count { font-family: 'Space Mono', monospace; font-size: 0.625rem; font-weight: 700; }
.post-content { min-width: 0; padding: 14px 15px 11px; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 8px; color: var(--text-faint); font-size: 0.625rem; }
.community-name { color: var(--text-soft); font-weight: 700; }
.type-badge, .edition-badge, .solved-badge { display: inline-flex; height: 20px; align-items: center; gap: 4px; border-radius: 4px; padding: 0 6px; font-size: 0.5625rem; font-weight: 700; text-transform: uppercase; }
.type-badge { background: color-mix(in srgb, var(--type-color) 13%, transparent); color: var(--type-color); }
.edition-badge { border: 1px solid var(--border); color: var(--text-soft); }
.solved-badge { background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--green); }
.post-card h2 { margin: 0 0 6px; font-size: 1.0625rem; line-height: 1.3; cursor: pointer; }
.post-card h2:hover { color: var(--blue-strong); }
.post-excerpt { display: -webkit-box; overflow: hidden; margin: 0; color: var(--text-soft); font-size: 0.75rem; line-height: 1.52; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.post-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.tag { border-radius: 4px; padding: 3px 6px; background: var(--surface-soft); color: var(--text-soft); font-family: 'Space Mono', monospace; font-size: 0.5rem; }
.post-actions { display: flex; align-items: center; gap: 4px; margin: 11px -3px -3px; }
.post-action { display: inline-flex; height: 28px; align-items: center; gap: 6px; border: 0; border-radius: 5px; padding: 0 7px; background: transparent; color: var(--text-faint); cursor: pointer; font-size: 0.625rem; font-weight: 600; }
.post-action:hover { background: var(--surface-soft); color: var(--text); }
.post-action.saved { color: var(--purple); }
.post-action svg { width: 14px; }
.post-action.download { margin-left: auto; border: 1px solid var(--border); color: var(--blue-strong); }
.schematic-preview { position: relative; display: grid; height: 174px; margin: 12px 0 2px; place-items: center; overflow: hidden; border: 1px solid var(--border); border-radius: 6px; background-color: #172337; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 18px 18px; }
.schematic-preview::after { position: absolute; right: 10px; bottom: 9px; border: 1px solid rgba(255,255,255,.18); border-radius: 4px; padding: 3px 6px; background: rgba(7,12,21,.62); color: rgba(255,255,255,.72); content: '3D preview'; font-family: 'Space Mono', monospace; font-size: 0.5rem; }
.voxel-scene { position: relative; width: 190px; height: 120px; transform: skewY(-5deg); }
.voxel { position: absolute; width: var(--w); height: var(--h); border: 1px solid rgba(255,255,255,.16); background: var(--c); box-shadow: inset -8px -8px 0 rgba(0,0,0,.14), 0 10px 20px rgba(0,0,0,.22); }
.preview-vault .v1 { --w: 150px; --h: 88px; --c: #76899b; left: 20px; top: 20px; }
.preview-vault .v2 { --w: 92px; --h: 62px; --c: #293645; left: 49px; top: 46px; }
.preview-vault .v3 { --w: 12px; --h: 56px; --c: #c77c42; left: 88px; top: 50px; }
.preview-vault .v4 { --w: 74px; --h: 9px; --c: #8ed4df; left: 57px; top: 70px; box-shadow: 0 0 15px rgba(142,212,223,.55); }
.preview-computer .v1 { --w: 170px; --h: 18px; --c: #49586b; left: 8px; top: 95px; }
.preview-computer .v2 { --w: 32px; --h: 76px; --c: #826ad9; left: 24px; top: 19px; }
.preview-computer .v3 { --w: 32px; --h: 58px; --c: #4f94d8; left: 72px; top: 37px; }
.preview-computer .v4 { --w: 50px; --h: 84px; --c: #d16e82; left: 120px; top: 11px; }
.preview-build .v1 { --w: 170px; --h: 22px; --c: #4f755c; left: 8px; top: 92px; }
.preview-build .v2 { --w: 98px; --h: 62px; --c: #b99772; left: 45px; top: 31px; }
.preview-build .v3 { --w: 38px; --h: 82px; --c: #65768e; left: 74px; top: 11px; }
.preview-build .v4 { --w: 116px; --h: 12px; --c: #7cc7da; left: 35px; top: 25px; }
.empty-state { padding: 70px 20px; color: var(--text-soft); text-align: center; }
.empty-state svg { width: 34px; color: var(--text-faint); }
.empty-state h2 { margin: 13px 0 4px; font-size: 1.125rem; }
.empty-state p { margin: 0 0 16px; font-size: 0.75rem; }

.right-rail { position: sticky; top: 64px; height: calc(100vh - 64px); overflow-y: auto; border-left: 1px solid var(--border); padding: 24px 18px 70px; background: color-mix(in srgb, var(--surface) 72%, var(--bg)); scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
.rail-section { margin-bottom: 14px; border: 1px solid var(--border); border-radius: 8px; padding: 14px; background: var(--surface); }
.rail-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.rail-heading h2 { margin: 0; font-size: 0.8125rem; }
.rail-heading > svg { width: 16px; color: var(--text-faint); }
.text-button { border: 0; padding: 0; background: transparent; color: var(--blue-strong); cursor: pointer; font-size: 0.625rem; font-weight: 700; }
.live-label { display: inline-flex; height: 18px; align-items: center; border-radius: 4px; padding: 0 6px; background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--green); font-family: 'Space Mono', monospace; font-size: 0.5rem; text-transform: uppercase; }
.service-row { display: grid; grid-template-columns: 31px 1fr auto; align-items: center; gap: 9px; padding: 8px 0; }
.service-row + .service-row { border-top: 1px solid var(--border); }
.service-icon { display: grid; width: 29px; height: 29px; place-items: center; border-radius: 6px; background: var(--surface-soft); color: var(--purple); }
.service-icon svg { width: 14px; }
.service-row strong, .service-row small { display: block; }
.service-row strong { font-size: 0.6875rem; }
.service-row small { margin-top: 2px; color: var(--text-faint); font-size: 0.5625rem; }
.trending-item { display: grid; grid-template-columns: 46px minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 8px 0; cursor: pointer; }
.trending-item + .trending-item { border-top: 1px solid var(--border); }
.trend-thumb { display: grid; width: 46px; height: 38px; place-items: end start; overflow: hidden; border-radius: 5px; padding: 4px; background: linear-gradient(145deg, color-mix(in srgb, var(--thumb) 76%, #172337), #172337); color: rgba(255,255,255,.85); font-family: 'Space Mono', monospace; font-size: 0.4375rem; }
.trending-item strong { display: block; overflow: hidden; font-size: 0.625rem; text-overflow: ellipsis; white-space: nowrap; }
.trending-item small { display: block; margin-top: 3px; color: var(--text-faint); font-size: 0.5rem; }
.trend-count { color: var(--text-faint); font-family: 'Space Mono', monospace; font-size: 0.5rem; }
.question-item { display: block; padding: 9px 0; color: var(--text); text-decoration: none; }
.question-item + .question-item { border-top: 1px solid var(--border); }
.question-item strong { display: -webkit-box; overflow: hidden; font-size: 0.625rem; line-height: 1.4; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.question-item span { display: inline-block; margin-top: 5px; color: var(--amber); font-size: 0.5rem; }
.community-pulse { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; border-radius: 8px; padding: 14px; background: linear-gradient(135deg, color-mix(in srgb, var(--blue) 15%, var(--surface)), color-mix(in srgb, var(--purple) 15%, var(--surface))); }
.community-pulse > p { grid-column: 1 / -1; margin: 0 0 3px; font-size: 0.6875rem; font-weight: 700; }
.community-pulse strong, .community-pulse span { display: block; }
.community-pulse strong { font-family: 'Space Mono', monospace; font-size: 0.6875rem; }
.community-pulse span { overflow: hidden; margin-top: 2px; color: var(--text-faint); font-size: 0.5rem; text-overflow: ellipsis; }

.scrim { position: fixed; z-index: 50; inset: 0; background: rgba(9, 13, 21, .48); backdrop-filter: blur(2px); }
.notification-drawer { position: fixed; z-index: 60; top: 0; right: 0; display: grid; width: min(400px, 100vw); height: 100vh; grid-template-rows: auto 1fr auto; border-left: 1px solid var(--border); background: var(--surface); box-shadow: -20px 0 45px rgba(0,0,0,.18); transform: translateX(105%); transition: transform 220ms ease; }
.notification-drawer.open { transform: translateX(0); }
.drawer-header { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); padding: 20px; }
.drawer-header h2 { margin: 0; font-size: 1.25rem; }
.notification-list { overflow-y: auto; padding: 8px 18px; }
.notification-item { display: grid; grid-template-columns: 34px 1fr; gap: 10px; border-bottom: 1px solid var(--border); padding: 14px 3px; }
.notification-symbol { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 7px; background: var(--surface-accent); color: var(--blue); }
.notification-symbol svg { width: 15px; }
.notification-item p { margin: 0; color: var(--text-soft); font-size: 0.6875rem; line-height: 1.45; }
.notification-item strong { color: var(--text); }
.notification-item time { display: block; margin-top: 4px; color: var(--text-faint); font-family: 'Space Mono', monospace; font-size: 0.5rem; }
.drawer-footer { height: 48px; border: 0; border-top: 1px solid var(--border); background: var(--surface); color: var(--blue-strong); cursor: pointer; font-size: 0.6875rem; font-weight: 700; }

dialog { color: var(--text); }
dialog::backdrop { background: rgba(7, 11, 19, .62); backdrop-filter: blur(4px); }
.composer-dialog, .post-dialog { width: min(680px, calc(100vw - 28px)); max-height: calc(100vh - 30px); overflow: auto; border: 1px solid var(--border); border-radius: 9px; padding: 0; background: var(--surface); box-shadow: 0 28px 70px rgba(0,0,0,.28); }
.composer-dialog form, .post-dialog-content { padding: 20px; }
.dialog-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.dialog-header h2 { margin: 0; font-size: 1.3125rem; }
.post-type-picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; margin-bottom: 18px; }
.post-type-picker button { display: grid; height: 62px; place-items: center; gap: 3px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface-soft); color: var(--text-soft); cursor: pointer; font-size: 0.625rem; }
.post-type-picker button.active { border-color: var(--purple); background: color-mix(in srgb, var(--purple) 10%, var(--surface)); color: var(--purple); }
.post-type-picker svg { width: 17px; }
.field { display: grid; gap: 6px; margin-bottom: 13px; }
.field > span { color: var(--text-soft); font-size: 0.625rem; font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--border); border-radius: 6px; padding: 10px 11px; outline: 0; background: var(--surface-soft); color: var(--text); }
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); background: var(--surface); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 12%, transparent); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.upload-field { display: grid; min-height: 115px; place-items: center; align-content: center; gap: 4px; margin-bottom: 15px; border: 1px dashed var(--border-strong); border-radius: 7px; background: var(--surface-soft); cursor: pointer; text-align: center; }
.upload-field:hover { border-color: var(--purple); }
.upload-field svg { width: 24px; color: var(--purple); }
.upload-field strong { font-size: 0.6875rem; }
.upload-field small { color: var(--text-faint); font-size: 0.5625rem; }
.upload-field input { display: none; }
.upload-field.has-files { min-height: 58px; grid-template-columns: 28px minmax(0, 1fr); grid-template-rows: auto auto; place-items: start; align-items: center; column-gap: 10px; border-style: solid; border-color: color-mix(in srgb, var(--green) 55%, var(--border)); padding: 9px 12px; background: color-mix(in srgb, var(--green) 7%, var(--surface)); text-align: left; }
.upload-field.has-files:hover { border-color: var(--green); }
.upload-field.has-files svg { grid-row: 1 / 3; width: 20px; color: var(--green); }
.upload-field.has-files strong { color: var(--green); }
.upload-field.has-files small { grid-column: 2; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; border-top: 1px solid var(--border); margin: 20px -20px -20px; padding: 14px 20px; }
.post-dialog-close { float: right; }
.detail-header { padding-right: 45px; }
.detail-header h2 { margin: 8px 0; font-size: 1.5rem; line-height: 1.25; }
.detail-body { color: var(--text-soft); font-size: 0.8125rem; line-height: 1.65; }
.comment-section { border-top: 1px solid var(--border); margin-top: 20px; padding-top: 16px; }
.comment-section h3 { font-size: 0.8125rem; }
.comment-box { display: flex; gap: 8px; }
.comment-box input { min-width: 0; flex: 1; border: 1px solid var(--border); border-radius: 6px; padding: 9px 10px; background: var(--surface-soft); color: var(--text); }
.comment { display: grid; grid-template-columns: 28px 1fr; gap: 9px; margin-top: 14px; }
.comment-avatar { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 5px; background: var(--surface-accent); color: var(--blue); font-family: 'Space Mono', monospace; font-size: 0.5rem; font-weight: 700; }
.comment p { margin: 3px 0; color: var(--text-soft); font-size: 0.6875rem; line-height: 1.5; }
.comment strong { font-size: 0.625rem; }
.accepted-answer { border: 1px solid color-mix(in srgb, var(--green) 35%, var(--border)); border-radius: 7px; padding: 12px; background: color-mix(in srgb, var(--green) 6%, var(--surface)); }
.accepted-answer::before { display: block; margin-bottom: 7px; color: var(--green); content: '✓ Accepted answer'; font-size: 0.5625rem; font-weight: 700; text-transform: uppercase; }
.accepted-answer::before { grid-column: 1 / -1; }
.toast { position: fixed; z-index: 100; right: 24px; bottom: 24px; max-width: 320px; border: 1px solid var(--border); border-radius: 7px; padding: 11px 14px; background: var(--surface-raised); box-shadow: var(--shadow); color: var(--text); font-size: 0.6875rem; opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity 180ms ease, transform 180ms ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.mobile-only, .mobile-nav { display: none; }

@media (max-width: 1180px) {
  :root { --rail-width: 286px; --sidebar-width: 240px; }
  .topbar { grid-template-columns: calc(var(--sidebar-width) - 24px) minmax(280px, 1fr) auto; }
}
@media (max-width: 980px) {
  .app-shell { grid-template-columns: var(--sidebar-width) minmax(0, 1fr); }
  .right-rail { display: none; }
}
@media (max-width: 720px) {
  body { padding-bottom: 62px; }
  .mobile-only { display: inline-grid; }
  .app-shell { display: block; min-height: 100vh; }
  .topbar { display: grid; height: 58px; grid-template-columns: 38px 1fr auto; gap: 7px; padding: 0 11px; }
  .topbar .brand { font-size: 1.125rem; }
  .brand-mark { width: 24px; height: 24px; transform: scale(.88) rotate(-6deg); }
  .search-box { grid-column: 1 / -1; display: none; }
  .top-actions { gap: 2px; }
  .top-actions .primary-button, .top-actions .avatar-button { display: none; }
  .sidebar { position: fixed; z-index: 70; top: 0; left: 0; width: min(300px, 88vw); height: 100vh; transform: translateX(-105%); transition: transform 220ms ease; box-shadow: 20px 0 45px rgba(0,0,0,.2); }
  .sidebar.open { transform: translateX(0); }
  .main-content { width: 100%; padding: 22px 14px 80px; }
  .feed-header { align-items: center; }
  .feed-header h1 { font-size: 1.4375rem; }
  .feed-header .eyebrow { display: none; }
  .feed-tabs button { padding: 0 8px; }
  .topic-strip { margin: 0 -14px 14px; padding: 0 14px 3px; }
  .composer-prompt { height: 50px; }
  .post-card { grid-template-columns: 1fr; }
  .vote-rail { flex-direction: row; justify-content: flex-start; border-top: 1px solid var(--border); border-right: 0; padding: 5px 12px; order: 2; }
  .post-content { padding: 13px 13px 8px; }
  .post-card h2 { font-size: 1rem; }
  .post-actions { margin-bottom: 1px; }
  .post-action:nth-child(2) { display: none; }
  .schematic-preview { height: 150px; }
  .mobile-nav { position: fixed; z-index: 40; right: 0; bottom: 0; left: 0; display: grid; height: 62px; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(14px); }
  .mobile-nav button { display: grid; place-items: center; align-content: center; gap: 3px; border: 0; background: transparent; color: var(--text-faint); cursor: pointer; }
  .mobile-nav button.active { color: var(--blue-strong); }
  .mobile-nav svg { width: 18px; }
  .mobile-nav small { font-size: 0.5rem; }
  .mobile-nav .mobile-create { place-self: center; width: 42px; height: 42px; border-radius: 7px; background: linear-gradient(135deg, var(--blue), var(--purple)); color: white; transform: translateY(-11px); box-shadow: 0 7px 18px color-mix(in srgb, var(--purple) 28%, transparent); }
  .post-type-picker { grid-template-columns: repeat(2, 1fr); }
  .field-grid { grid-template-columns: 1fr; gap: 0; }
  .toast { right: 14px; bottom: 76px; left: 14px; max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

.notification-drawer:not(.open) {
  display: none;
}

#theme-toggle,
#notification-button {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

#theme-toggle svg,
#notification-button svg {
  stroke: currentColor;
  opacity: 1;
}

#theme-toggle:hover,
#notification-button:hover {
  background: var(--soft);
  color: var(--blue);
}

.route-loader {
  position: fixed;
  z-index: 200;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--blue) 7%, var(--bg)), color-mix(in srgb, var(--purple) 8%, var(--bg))),
    var(--bg);
  color: var(--text);
}

.route-loader[hidden] {
  display: none;
}

.booting .app-shell {
  display: none;
}

.loader-mark {
  display: grid;
  width: 40px;
  height: 40px;
  grid-template: repeat(3, 10px) / repeat(3, 10px);
  gap: 3px;
  margin-bottom: 12px;
  transform: rotate(-6deg);
}

.loader-mark i {
  background: var(--blue);
}

.loader-mark i:first-child { grid-area: 1 / 1 / 3 / 3; }
.loader-mark i:nth-child(2) { grid-area: 2 / 3 / 4 / 4; background: var(--purple); }
.loader-mark i:last-child { grid-area: 3 / 1 / 4 / 3; background: color-mix(in srgb, var(--blue) 50%, var(--purple)); }

.loader-spinner {
  width: 26px;
  height: 26px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-right-color: var(--purple);
  border-radius: 50%;
  animation: loader-spin 700ms linear infinite;
}

.route-loader strong {
  margin-top: 6px;
  font-size: 0.875rem;
}

.route-loader small {
  color: var(--faint);
  font-size: 0.625rem;
}

@keyframes loader-spin {
  to { transform: rotate(360deg); }
}

.vote-button.up.active {
  color: var(--blue);
}

.vote-button.down.active {
  color: var(--red);
}

.comment {
  grid-template-columns: 28px minmax(0, 1fr) auto;
}

.comment-body {
  min-width: 0;
}

.comment-votes {
  display: grid;
  min-width: 34px;
  place-items: center;
  align-content: start;
  gap: 1px;
}

.comment-votes .vote-button {
  width: 25px;
  height: 21px;
}

.comment-votes .vote-count {
  font-size: 0.5625rem;
}

.accepted-answer::before {
  grid-column: 1 / -1;
}

.no-rail .app-shell {
  grid-template-columns: var(--sidebar-width, var(--sidebar)) minmax(0, 1fr);
}

.route-auth.no-rail .app-shell {
  grid-template-columns: 1fr;
}

.notification-empty {
  display: grid;
  min-height: 240px;
  place-items: center;
  align-content: center;
  gap: 8px;
  padding: 28px;
  color: var(--faint);
  text-align: center;
}

.notification-empty svg {
  width: 22px;
  color: var(--purple);
}

.notification-empty strong {
  color: var(--text);
  font-size: 0.75rem;
}

.notification-empty span {
  max-width: 220px;
  font-size: 0.625rem;
  line-height: 1.5;
}

.post-title-link {
  color: inherit;
  text-decoration: none;
}

.post-action,
.trending-item {
  text-decoration: none;
}

.auth-button {
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0 13px;
  background: var(--surface);
  color: var(--blue);
  font-size: 0.6875rem;
  font-weight: 700;
  cursor: pointer;
}

.auth-button:hover {
  background: var(--accent-soft);
}

.account-control {
  position: relative;
}

.account-menu {
  position: absolute;
  z-index: 80;
  top: 45px;
  right: 0;
  display: grid;
  width: min(280px, calc(100vw - 24px));
  gap: 4px;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.account-menu[hidden] {
  display: none;
}

.account-menu strong {
  font-size: 0.75rem;
}

.account-menu > span {
  overflow: hidden;
  color: var(--faint);
  font-size: 0.625rem;
  text-overflow: ellipsis;
}

.account-settings {
  display: grid;
  gap: 7px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
  padding-top: 10px;
}

.account-settings-label {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.625rem;
  font-weight: 700;
}

.account-settings-label svg {
  width: 14px;
}

.text-size-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px;
  background: var(--soft);
}

.account-menu .text-size-control button {
  display: grid;
  height: 30px;
  place-items: center;
  border: 0;
  border-radius: 4px;
  margin: 0;
  padding: 0 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.625rem;
  font-weight: 700;
}

.account-menu .text-size-control button[aria-pressed='true'] {
  background: var(--surface);
  color: var(--blue);
  box-shadow: 0 1px 4px rgba(31, 44, 68, .1);
}

.account-menu .account-signout {
  display: flex;
  height: 34px;
  align-items: center;
  gap: 8px;
  border: 0;
  border-top: 1px solid var(--border);
  margin: 7px -4px -4px;
  padding: 7px 4px 0;
  background: transparent;
  color: var(--red);
  cursor: pointer;
  font-size: 0.6875rem;
  font-weight: 600;
}

.account-menu .account-signout svg {
  width: 14px;
}

.post-page {
  min-height: calc(100vh - 144px);
  padding-bottom: 70px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 600;
  text-decoration: none;
}

.back-link:hover {
  color: var(--blue);
}

.back-link svg {
  width: 15px;
}

.thread-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}

.thread-header h1 {
  max-width: 760px;
  margin: 10px 0 8px;
  font-size: 1.875rem;
  line-height: 1.22;
  letter-spacing: 0;
}

.thread-byline {
  margin: 0;
  color: var(--faint);
  font-size: 0.6875rem;
}

.thread-byline strong {
  color: var(--muted);
}

.thread-layout {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0 28px;
}

.thread-votes {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--muted);
  font: 700 0.625rem 'Space Mono', monospace;
}

.thread-content .schematic-preview {
  height: 300px;
  margin-top: 0;
}

.schematic-viewer {
  scroll-margin-top: 76px;
  margin: 0 0 24px;
}

.viewer-toolbar,
.viewer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.viewer-toolbar {
  margin-bottom: 10px;
}

.viewer-toolbar .eyebrow {
  margin-bottom: 3px;
}

.viewer-toolbar strong {
  display: block;
  font-size: 0.8125rem;
}

.viewer-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 4px;
}

.viewer-actions .icon-button {
  width: 34px;
  height: 34px;
  border-color: var(--border);
  background: var(--surface);
}

.viewer-stage {
  position: relative;
  width: 100%;
  height: clamp(360px, 52vw, 580px);
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #9bc9e2;
}

.viewer-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.viewer-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  color: var(--text);
  text-align: center;
}

.viewer-loading small {
  color: var(--faint);
  font-size: 0.625rem;
}

.viewer-loading.error svg {
  width: 26px;
  color: var(--red);
}

.viewer-footer {
  min-height: 42px;
  color: var(--faint);
  font-size: 0.625rem;
}

.viewer-footer label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 700;
}

.viewer-footer input {
  width: 120px;
  accent-color: var(--purple);
}

.viewer-footer output {
  min-width: 24px;
  font-family: 'Space Mono', monospace;
  text-align: right;
}

.schematic-viewer:fullscreen {
  display: grid;
  padding: 16px;
  background: var(--bg);
  grid-template-rows: auto 1fr auto;
}

.schematic-viewer:fullscreen .viewer-stage {
  height: auto;
}

.detail-body {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

.thread-download {
  margin-top: 0;
}

.thread-file-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
}

.thread-file-actions .secondary-button:disabled {
  opacity: .65;
  cursor: wait;
}

.comment-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.comment-heading h2 {
  margin: 0;
  font-size: 1.0625rem;
}

.comment-sort {
  display: flex;
  gap: 3px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px;
  background: var(--soft);
}

.comment-sort button {
  height: 28px;
  border: 0;
  border-radius: 4px;
  padding: 0 10px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.625rem;
  font-weight: 700;
}

.comment-sort button.active {
  background: var(--surface);
  color: var(--blue);
  box-shadow: 0 1px 4px rgba(31, 44, 68, .1);
}

.post-page .comment-section {
  margin-left: 60px;
}

.comment-composer-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.6875rem;
}

.comment-composer-head strong {
  color: var(--text);
}

.comment-form {
  margin-bottom: 24px;
}

.comment-form textarea {
  display: block;
  width: 100%;
  min-height: 94px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 6px 6px 0 0;
  padding: 11px 12px;
  outline: 0;
  background: var(--surface-soft);
  color: var(--text);
  font: inherit;
  font-size: 0.8125rem;
  line-height: 1.55;
}

.comment-form textarea:focus {
  border-color: var(--blue);
  background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 12%, transparent);
}

.comment-form-footer {
  display: flex;
  min-height: 43px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--border);
  border-top: 0;
  border-radius: 0 0 6px 6px;
  padding: 6px 7px 6px 11px;
  background: var(--surface);
}

.comment-form-footer small {
  color: var(--faint);
  font-size: 0.5625rem;
}

.comment-form-footer > div {
  display: flex;
  align-items: center;
  gap: 10px;
}

.comment-form-footer .primary-button {
  height: 30px;
  padding: 0 11px;
  font-size: 0.6875rem;
}

.inline-comment-form {
  margin: 10px 0 4px;
}

.inline-comment-form textarea {
  min-height: 76px;
}

.comment-signin {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 22px;
  background: var(--surface-soft);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  text-align: left;
  padding: 0 13px;
}

.comment-signin:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.comment-list {
  min-width: 0;
}

.thread-comment {
  display: grid;
  min-width: 0;
  grid-template-columns: 22px minmax(0, 1fr);
  scroll-margin-top: 80px;
}

.comment-line {
  position: relative;
  display: flex;
  justify-content: center;
}

.comment-line::after {
  position: absolute;
  z-index: 0;
  top: 27px;
  bottom: 0;
  width: 1px;
  background: var(--border-strong);
  content: '';
}

.comment-collapse {
  position: relative;
  z-index: 1;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border: 0;
  border-radius: 4px;
  padding: 0;
  background: var(--surface);
  color: var(--faint);
  cursor: pointer;
}

.comment-collapse:hover {
  background: var(--soft);
  color: var(--blue);
}

.comment-main {
  min-width: 0;
  padding: 0 0 12px 6px;
}

.comment-meta {
  display: flex;
  min-height: 24px;
  align-items: center;
  gap: 6px;
  color: var(--faint);
  font-size: 0.625rem;
}

.comment-meta .comment-avatar {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border-radius: 50%;
}

.comment-meta strong {
  overflow: hidden;
  max-width: 180px;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.comment-meta a {
  color: var(--faint);
  text-decoration: none;
}

.comment-body {
  margin: 6px 0 8px;
  color: var(--text-soft);
  font-size: 0.8125rem;
  line-height: 1.58;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.deleted-copy {
  color: var(--faint);
  font-style: italic;
}

.comment-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  min-height: 27px;
}

.comment-actions > button {
  display: inline-flex;
  height: 27px;
  align-items: center;
  gap: 5px;
  border: 0;
  border-radius: 4px;
  padding: 0 7px;
  background: transparent;
  color: var(--faint);
  cursor: pointer;
  font-size: 0.625rem;
  font-weight: 600;
}

.comment-actions > button:hover {
  background: var(--soft);
  color: var(--text);
}

.comment-votes {
  display: inline-flex;
  height: 27px;
  align-items: center;
  border-radius: 4px;
  background: var(--soft);
}

.comment-votes .vote-button {
  width: 26px;
  height: 26px;
}

.comment-votes .vote-count {
  min-width: 20px;
  text-align: center;
}

.comment-replies {
  margin-top: 11px;
}

.thread-comment[style*='--comment-depth:8'] > .comment-main > .comment-replies {
  margin-left: -28px;
}

.collapsed-replies {
  border: 0;
  margin: 4px 0 2px;
  padding: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font-size: 0.625rem;
  font-weight: 700;
}

.comments-empty,
.comments-loading {
  display: grid;
  min-height: 130px;
  place-content: center;
  justify-items: center;
  gap: 6px;
  color: var(--faint);
  text-align: center;
}

.comments-empty strong {
  color: var(--text);
  font-size: 0.8125rem;
}

.comments-empty span,
.comments-loading span:last-child {
  font-size: 0.6875rem;
}

.route-empty {
  padding: 80px 0;
  text-align: center;
}

.route-empty p {
  color: var(--muted);
}

.route-auth .app-shell {
  grid-template-columns: 1fr;
}

.route-auth .topbar {
  grid-template-columns: 1fr auto;
}

.route-auth .search-box,
.route-auth .sidebar,
.route-auth .right-rail,
.route-auth .mobile-nav,
.route-auth #create-button,
.route-auth #notification-button {
  display: none;
}

.route-auth .main-content {
  width: 100%;
  max-width: none;
  padding: 0;
}

.auth-page {
  min-height: calc(100vh - 64px);
}

.auth-layout {
  display: grid;
  min-height: calc(100vh - 64px);
  grid-template-columns: minmax(0, 1.1fr) minmax(420px, .9fr);
}

.auth-intro {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: clamp(40px, 7vw, 110px);
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--blue) 16%, var(--bg)), color-mix(in srgb, var(--purple) 18%, var(--bg))),
    var(--bg);
}

.auth-intro::after {
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 280px;
  height: 280px;
  border: 1px solid color-mix(in srgb, var(--purple) 30%, transparent);
  content: '';
  transform: rotate(24deg);
}

.auth-intro h1 {
  max-width: 650px;
  margin: 8px 0 16px;
  font-size: clamp(2.625rem, 6vw, 4.75rem);
  font-weight: 500;
  line-height: .98;
  letter-spacing: 0;
}

.auth-intro > p:not(.eyebrow) {
  max-width: 580px;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.auth-points {
  display: grid;
  gap: 10px;
  margin-top: 26px;
}

.auth-points span {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 0.6875rem;
}

.auth-points svg {
  width: 16px;
  color: var(--purple);
}

.auth-form {
  display: flex;
  width: min(100%, 500px);
  flex-direction: column;
  justify-content: center;
  justify-self: center;
  padding: clamp(35px, 6vw, 80px);
}

.auth-form h2 {
  margin: 4px 0 28px;
  font-size: 1.5625rem;
}

.auth-submit {
  width: 100%;
  margin-top: 3px;
}

.auth-submit:disabled {
  opacity: .65;
  cursor: wait;
}

.auth-error {
  min-height: 18px;
  margin: 0 0 7px;
  color: var(--red);
  font-size: 0.625rem;
}

.auth-switch {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.6875rem;
  text-align: center;
}

.auth-switch a {
  color: var(--blue);
  font-weight: 700;
}

@media (max-width: 720px) {
  .top-actions .auth-button {
    height: 34px;
    padding: 0 10px;
  }

  .thread-header h1 {
    font-size: 1.5rem;
  }

  .thread-layout {
    grid-template-columns: 1fr;
  }

  .viewer-stage {
    height: 360px;
  }

  .viewer-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding-top: 10px;
  }

  .viewer-footer label {
    width: 100%;
  }

  .viewer-footer input {
    min-width: 0;
    flex: 1;
  }

  .post-page .comment-section {
    margin-left: 0;
  }

  .comment-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .comment-sort {
    align-self: stretch;
  }

  .comment-sort button {
    flex: 1;
  }

  .thread-comment {
    grid-template-columns: 18px minmax(0, 1fr);
  }

  .comment-main {
    padding-left: 3px;
  }

  .comment-actions > button {
    padding: 0 5px;
  }

  .thread-layout > .vote-rail {
    order: 0;
  }

  .thread-votes {
    flex-direction: row;
    justify-content: flex-start;
  }

  .thread-content .schematic-preview {
    height: 190px;
  }

  .post-page .comment-section {
    margin-left: 0;
  }

  .auth-layout {
    display: block;
    min-height: calc(100vh - 58px);
  }

  .auth-intro {
    min-height: 0;
    justify-content: flex-start;
    padding: 28px 22px 34px;
  }

  .auth-intro h1 {
    font-size: 2.5rem;
  }

  .auth-points {
    display: none;
  }

  .auth-form {
    padding: 30px 22px 50px;
  }
}

.category-branch-button {
  display: flex;
  width: 100%;
  height: 30px;
  align-items: center;
  justify-content: space-between;
  border: 0;
  padding: 0 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.6875rem;
  font-weight: 700;
}

.category-branch-button svg {
  width: 12px;
  transition: transform 150ms ease;
}

.category-branch.expanded .category-branch-button svg {
  transform: rotate(90deg);
}

.category-grandchildren {
  display: none;
  padding-left: 10px;
}

.category-branch.expanded .category-grandchildren {
  display: grid;
}

.version-fieldset,
.category-fieldset {
  border: 1px solid var(--border);
  border-radius: 7px;
  margin: 0 0 14px;
  padding: 12px;
}

.version-fieldset legend,
.category-fieldset legend {
  padding: 0 6px;
  color: var(--muted);
  font-size: 0.625rem;
  font-weight: 700;
}

.category-fieldset legend small {
  margin-left: 6px;
  color: var(--purple);
  font-weight: 600;
}

.version-row {
  display: grid;
  grid-template-columns: 60px repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 8px;
}

.version-row + .version-row {
  border-top: 1px solid var(--border);
  margin-top: 12px;
  padding-top: 12px;
}

.version-row strong {
  align-self: center;
  font-size: 0.6875rem;
}

.version-row label {
  display: grid;
  gap: 5px;
}

.version-row label > span {
  color: var(--faint);
  font-size: 0.5625rem;
}

.version-row select {
  min-width: 0;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 8px;
  background: var(--soft);
  color: var(--text);
  font-size: 0.625rem;
}

.composer-categories {
  max-height: 300px;
  overflow-y: auto;
  scrollbar-width: thin;
}

.composer-categories details {
  border-bottom: 1px solid var(--border);
  padding: 7px 0;
}

.composer-categories details:last-child {
  border-bottom: 0;
}

.composer-categories summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.6875rem;
  font-weight: 700;
  list-style: none;
}

.composer-categories summary::-webkit-details-marker {
  display: none;
}

.composer-category-branch {
  margin: 9px 0 0 31px;
}

.composer-category-branch > strong {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.5625rem;
  text-transform: uppercase;
}

.composer-category-branch > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.composer-category-branch label {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 6px;
  border-radius: 4px;
  padding: 5px;
  cursor: pointer;
  font-size: 0.625rem;
}

.composer-category-branch label:hover {
  background: var(--soft);
}

.composer-category-branch input {
  accent-color: var(--purple);
}

.composer-category-branch span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-summary {
  min-height: 18px;
  margin: -8px 0 10px;
  color: var(--muted);
  font-size: 0.5625rem;
  line-height: 1.5;
}

.file-summary.has-files {
  min-height: 30px;
  margin-top: -7px;
  border-left: 3px solid var(--green);
  padding: 6px 9px;
  background: color-mix(in srgb, var(--green) 7%, transparent);
  color: var(--text-soft);
  overflow-wrap: anywhere;
}

.post-photo {
  display: block;
  width: 100%;
  max-height: 380px;
  object-fit: cover;
  border-radius: 6px;
  margin-top: 12px;
}

.thread-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 20px;
}

.thread-gallery img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 6px;
}

.thread-gallery img:only-child {
  grid-column: 1 / -1;
}

@media (max-width: 720px) {
  .version-row {
    grid-template-columns: 1fr;
  }

  .composer-category-branch > div,
  .thread-gallery {
    grid-template-columns: 1fr;
  }
}