@font-face {
  font-family: "Copper Manrope";
  src: url("/assets/copper/manrope-variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --f-bg: #181915;
  --f-bg-soft: #1d1e19;
  --f-panel: #22231e;
  --f-panel-raised: #282720;
  --f-panel-warm: #2d251f;
  --f-paper: #ebe6df;
  --f-ink: #090a08;
  --f-muted: #aaa39c;
  --f-muted-strong: #c4beb7;
  --f-copper: #c8845c;
  --f-copper-light: #e0a47d;
  --f-copper-pale: #f0c09f;
  --f-copper-deep: #8f583b;
  --f-line: rgba(240, 236, 230, 0.12);
  --f-line-warm: rgba(224, 164, 125, 0.28);
  --f-line-strong: rgba(224, 164, 125, 0.52);
  --f-success: #91bd91;
  --f-warning: #d5a15e;
  --f-error: #d87868;
  --f-font: "Copper Manrope", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --f-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --f-container: 1380px;
  --f-header-h: 88px;
  --f-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--f-bg); }

body.forum-ui {
  margin: 0;
  min-width: 300px;
  color: var(--f-paper);
  background:
    linear-gradient(rgba(240,236,230,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240,236,230,.018) 1px, transparent 1px),
    var(--f-bg);
  background-size: 64px 64px;
  font: 400 16px/1.55 var(--f-font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.forum-ui::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  background: radial-gradient(circle at 8% 24%, rgba(200,132,92,.09), transparent 32%), radial-gradient(circle at 94% 70%, rgba(224,164,125,.05), transparent 28%);
}

::selection { color: var(--f-ink); background: var(--f-copper-light); }

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button, select { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, dl, dd, ol, ul { margin-top: 0; }
button, input, textarea, select { color: inherit; }

:focus-visible {
  outline: 2px solid var(--f-copper-light);
  outline-offset: 4px;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--f-ink);
  background: var(--f-copper-light);
  transform: translateY(-160%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: none; }

.f-container { width: min(calc(100% - 48px), var(--f-container)); margin-inline: auto; }

.f-page-shell { padding-top: 26px; }
.f-section { padding: clamp(78px, 9vw, 138px) 0; border-top: 1px solid var(--f-line); }
.f-section + .f-section { border-top-color: rgba(240,236,230,.08); }

.f-eyebrow {
  margin-bottom: 18px;
  color: var(--f-copper-light);
  font: 750 11px/1.3 var(--f-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
}
.f-eyebrow > span { display: inline-block; width: 30px; height: 1px; margin: 0 10px 3px 0; background: currentColor; }

.f-section-heading { max-width: 780px; margin-bottom: 42px; }
.f-section-heading h2,
.f-split-heading h2 {
  max-width: 780px;
  margin-bottom: 0;
  font-size: clamp(2.2rem, 4.6vw, 4.4rem);
  font-weight: 620;
  line-height: .98;
  letter-spacing: -.055em;
}
.f-split-heading { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr); gap: 64px; max-width: none; align-items: end; }
.f-split-heading > p { margin: 0; color: var(--f-muted); font-size: 1.04rem; }
.f-heading-row { display: flex; max-width: none; align-items: flex-end; justify-content: space-between; gap: 24px; }

.f-btn {
  display: inline-flex;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid var(--f-line-warm);
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: var(--f-paper);
  background: transparent;
  font-weight: 720;
  line-height: 1;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}
.f-btn:hover { border-color: var(--f-copper-light); transform: translateY(-2px); }
.f-btn-primary { color: var(--f-ink); border-color: var(--f-copper-light); background: var(--f-copper-light); }
.f-btn-primary:hover { border-color: var(--f-copper-pale); background: var(--f-copper-pale); }
.f-btn-ghost { background: rgba(8,9,8,.3); }
.f-btn-quiet { min-height: 40px; padding-inline: 14px; border-color: var(--f-line); color: var(--f-muted-strong); }
.f-btn-sm { min-height: 44px; padding-inline: 17px; font-size: .88rem; }
.f-btn-block { width: 100%; }
.f-text-link { display: inline-flex; align-items: center; gap: 14px; color: var(--f-copper-light); font-weight: 700; }
.f-text-link::after { display: block; width: 0; height: 1px; content: ""; background: currentColor; transition: width .2s ease; }
.f-text-link:hover::after { width: 26px; }
.f-icon { display: inline-grid; min-width: 1em; place-items: center; font-style: normal; }

/* Header */
.f-site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--f-header-h);
  border-bottom: 1px solid var(--f-line-warm);
  background: rgba(24,25,21,.94);
  backdrop-filter: blur(18px);
}
.f-header-inner { display: flex; width: min(calc(100% - 48px), 1500px); height: 100%; margin-inline: auto; align-items: center; gap: 52px; }
.f-brand { display: inline-flex; flex: 0 0 auto; flex-direction: column; gap: 2px; }
.f-brand-name { font-size: 1.34rem; font-weight: 780; letter-spacing: -.035em; }
.f-brand-place { color: var(--f-copper); font: 720 9px/1.2 var(--f-mono); letter-spacing: .18em; text-transform: uppercase; }
.f-nav-shell { display: flex; min-width: 0; flex: 1; align-items: center; justify-content: space-between; gap: 26px; }
.f-main-nav { display: flex; align-items: center; gap: clamp(18px, 2vw, 34px); }
.f-main-nav a { position: relative; padding: 12px 0; color: var(--f-muted-strong); font-size: .91rem; font-weight: 650; }
.f-main-nav a::after { position: absolute; right: 0; bottom: 3px; left: 0; height: 1px; content: ""; background: var(--f-copper); transform: scaleX(0); transform-origin: right; transition: transform .2s ease; }
.f-main-nav a:hover,
.f-main-nav a.is-active { color: var(--f-paper); }
.f-main-nav a:hover::after,
.f-main-nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.f-header-actions { display: flex; align-items: center; gap: 10px; }
.f-search-trigger { display: inline-flex; min-height: 44px; padding: 0 14px; border: 1px solid var(--f-line); align-items: center; gap: 9px; color: var(--f-muted-strong); background: transparent; }
.f-search-trigger:hover { color: var(--f-paper); border-color: var(--f-line-warm); }
.f-search-trigger kbd { padding: 2px 6px; border: 1px solid var(--f-line); color: var(--f-muted); background: var(--f-panel); font: 11px/1.3 var(--f-mono); }
.f-user-pill { display: inline-flex; min-height: 44px; padding: 5px 10px 5px 5px; border: 1px solid var(--f-line); align-items: center; gap: 9px; font-size: .86rem; font-weight: 680; }
.f-notification { display: inline-grid; min-width: 20px; height: 20px; padding-inline: 5px; place-items: center; color: var(--f-ink); background: var(--f-copper-light); font-size: 11px; }
.f-nav-toggle { display: none; }

/* Breadcrumbs */
.f-breadcrumbs { margin: 0 0 28px; color: var(--f-muted); font-size: .84rem; }
.f-breadcrumbs ol { display: flex; margin: 0; padding: 0; align-items: center; gap: 10px; list-style: none; }
.f-breadcrumbs li { display: flex; min-width: 0; align-items: center; gap: 10px; }
.f-breadcrumbs li + li::before { color: var(--f-copper-deep); content: "›"; }
.f-breadcrumbs a:hover { color: var(--f-copper-light); }
.f-breadcrumbs span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Flash */
.f-flash-wrap { padding-top: 20px; }
.f-flash { display: grid; padding: 16px 18px; border: 1px solid var(--f-line-warm); grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; background: var(--f-panel); box-shadow: var(--f-shadow); }
.f-flash p { margin: 2px 0 0; color: var(--f-muted-strong); }
.f-flash > button { width: 34px; height: 34px; border: 0; color: var(--f-muted); background: transparent; font-size: 1.4rem; }
.f-flash-success { border-color: rgba(145,189,145,.42); }
.f-flash-error { border-color: rgba(216,120,104,.5); }

/* Home hero */
.f-home-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--f-line-warm); }
.f-home-hero::before { position: absolute; z-index: -1; top: 0; right: -8%; width: 58%; height: 100%; content: ""; border-left: 1px solid var(--f-line-warm); background: linear-gradient(124deg, rgba(200,132,92,.07), transparent 45%); transform: skewX(-6deg); }
.f-home-hero-grid { display: grid; min-height: clamp(620px, calc(100vh - var(--f-header-h)), 820px); grid-template-columns: minmax(0, 1fr) minmax(420px, .88fr); align-items: center; gap: clamp(50px, 8vw, 130px); padding-block: clamp(70px, 8vw, 120px); }
.f-hero-copy h1 { max-width: 780px; margin-bottom: 30px; font-size: clamp(4rem, 7.4vw, 7.4rem); font-weight: 590; line-height: .82; letter-spacing: -.075em; }
.f-hero-copy h1 em { color: var(--f-copper-light); font-style: normal; }
.f-hero-lead { max-width: 680px; margin-bottom: 34px; color: var(--f-muted-strong); font-size: clamp(1.06rem, 1.4vw, 1.28rem); line-height: 1.7; }
.f-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.f-hero-promises { display: flex; margin: 0; padding: 0; flex-wrap: wrap; gap: 12px 24px; color: var(--f-muted); list-style: none; font-size: .84rem; }
.f-hero-promises li { display: inline-flex; align-items: center; gap: 8px; }
.f-hero-promises .f-icon { color: var(--f-copper); }
.f-hero-tool { position: relative; padding: 26px; border: 1px solid var(--f-line-warm); background: rgba(29,30,25,.92); box-shadow: 26px 30px 0 rgba(200,132,92,.045), var(--f-shadow); }
.f-hero-tool::after { position: absolute; right: -1px; bottom: -1px; width: 90px; height: 1px; content: ""; background: var(--f-copper-light); }
.f-bench-head { display: flex; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--f-line); justify-content: space-between; color: var(--f-muted); font: 700 11px/1 var(--f-mono); letter-spacing: .13em; text-transform: uppercase; }
.f-live-dot { display: inline-flex; align-items: center; gap: 7px; color: var(--f-success); }
.f-live-dot::before { width: 7px; height: 7px; border-radius: 50%; content: ""; background: currentColor; box-shadow: 0 0 0 5px rgba(145,189,145,.08); }
.f-global-search label { display: block; margin-bottom: 10px; color: var(--f-paper); font-size: .92rem; font-weight: 680; }
.f-global-search > div { display: grid; min-height: 68px; border: 1px solid var(--f-line-warm); grid-template-columns: auto 1fr auto; align-items: center; background: var(--f-bg); transition: border-color .2s ease, box-shadow .2s ease; }
.f-global-search > div:focus-within { border-color: var(--f-copper-light); box-shadow: 0 0 0 4px rgba(224,164,125,.08); }
.f-global-search > div > span { padding-left: 18px; color: var(--f-copper); font-size: 1.4rem; }
.f-global-search input { width: 100%; min-width: 0; padding: 0 16px; border: 0; outline: 0; background: transparent; font-size: .98rem; }
.f-global-search button { height: 48px; margin-right: 9px; padding: 0 18px; border: 1px solid var(--f-copper-light); color: var(--f-ink); background: var(--f-copper-light); font-weight: 720; }
.f-global-search > p { margin: 11px 0 0; color: var(--f-muted); font-size: .78rem; }
.f-global-search.is-compact { margin: 26px 0 70px; }
.f-global-search.is-compact label { color: var(--f-muted); font: 700 10px/1.3 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; }
.f-question-path { display: grid; margin: 28px 0; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 12px; color: var(--f-muted-strong); font-size: .75rem; }
.f-question-path span { display: flex; align-items: center; gap: 7px; }
.f-question-path b { color: var(--f-copper); font: 700 10px/1 var(--f-mono); }
.f-question-path i { height: 1px; background: var(--f-line-warm); }
.f-hero-note { display: grid; padding: 17px; border-left: 2px solid var(--f-copper); grid-template-columns: 26px 1fr; gap: 10px; background: rgba(200,132,92,.06); }
.f-hero-note > span { display: grid; width: 22px; height: 22px; border: 1px solid var(--f-copper); border-radius: 50%; place-items: center; color: var(--f-copper-light); font: 700 11px/1 var(--f-mono); }
.f-hero-note p { margin: 0; color: var(--f-muted); font-size: .82rem; }
.f-hero-note strong { color: var(--f-paper); }
.f-stat-rail { display: grid; border-top: 1px solid var(--f-line); grid-template-columns: repeat(4, 1fr) 1.35fr; }
.f-stat-rail > div { min-height: 92px; padding: 19px 24px; border-left: 1px solid var(--f-line); display: flex; flex-direction: column; justify-content: center; }
.f-stat-rail > div:first-child { border-left: 0; }
.f-stat-rail strong { font-size: 1.5rem; font-weight: 650; }
.f-stat-rail span { color: var(--f-muted); font-size: .76rem; }
.f-stat-rail .f-stat-rail-cta { align-items: flex-start; background: rgba(224,164,125,.05); }
.f-stat-rail-cta a { color: var(--f-copper-light); font-weight: 700; }

/* Category directory */
.f-category-directory { background: rgba(27,28,23,.78); }
.f-category-grid { display: grid; border-top: 1px solid var(--f-line-warm); border-left: 1px solid var(--f-line-warm); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.f-category-card { min-width: 0; border-right: 1px solid var(--f-line-warm); border-bottom: 1px solid var(--f-line-warm); background: var(--f-panel); transition: background .25s ease; }
.f-category-card:hover { background: var(--f-panel-raised); }
.f-category-card-main { position: relative; display: grid; min-height: 210px; padding: 34px; grid-template-columns: 46px 1fr auto; gap: 18px; }
.f-category-index { color: var(--f-copper); font: 700 11px/1 var(--f-mono); letter-spacing: .1em; }
.f-category-card-main p { margin: 0 0 8px; color: var(--f-copper); font: 700 10px/1.2 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; }
.f-category-card-main h3 { margin-bottom: 12px; font-size: clamp(1.6rem, 2.5vw, 2.45rem); font-weight: 620; letter-spacing: -.045em; }
.f-category-card-main div > span { display: block; max-width: 550px; color: var(--f-muted); }
.f-category-arrow { color: var(--f-copper); font-size: 1.3rem; transition: transform .2s ease; }
.f-category-card:hover .f-category-arrow { transform: translate(4px, -4px); }
.f-subforum-links { display: grid; padding: 0 34px 22px 98px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 18px; }
.f-subforum-links a { display: flex; padding: 9px 0; border-bottom: 1px solid var(--f-line); justify-content: space-between; gap: 10px; color: var(--f-muted-strong); font-size: .85rem; }
.f-subforum-links a:hover { color: var(--f-copper-light); }
.f-subforum-links span { color: var(--f-muted); font-family: var(--f-mono); font-size: .72rem; }
.f-category-card-foot { display: flex; padding: 16px 34px; border-top: 1px solid var(--f-line); justify-content: flex-end; gap: 22px; color: var(--f-muted); font: 600 10px/1 var(--f-mono); text-transform: uppercase; }

/* Featured */
.f-featured-section { background: var(--f-bg); }
.f-featured-grid { display: grid; border-top: 1px solid var(--f-line-warm); border-left: 1px solid var(--f-line-warm); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.f-featured-card { display: flex; min-height: 350px; padding: 30px; border-right: 1px solid var(--f-line-warm); border-bottom: 1px solid var(--f-line-warm); flex-direction: column; background: linear-gradient(150deg, rgba(224,164,125,.05), transparent 45%); }
.f-featured-number { margin-bottom: 70px; color: var(--f-copper-deep); font: 700 2.8rem/1 var(--f-mono); }
.f-featured-card h3 { margin: 14px 0; font-size: clamp(1.35rem, 2.1vw, 2rem); line-height: 1.12; letter-spacing: -.035em; }
.f-featured-card p { color: var(--f-muted); }
.f-featured-card .f-text-link { margin-top: auto; padding-top: 24px; }

/* Topic list */
.f-content-sidebar { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 48px; }
.f-topic-list { border-top: 1px solid var(--f-line-warm); }
.f-topic-row { position: relative; display: grid; min-height: 148px; padding: 25px 18px 25px 0; border-bottom: 1px solid var(--f-line); grid-template-columns: 18px minmax(0, 1fr) 150px 190px; align-items: center; gap: 16px; transition: background .2s ease; }
.f-topic-row:hover { background: rgba(224,164,125,.025); }
.f-topic-signal { height: 100%; display: grid; place-items: center; }
.f-topic-signal span { display: block; width: 2px; height: 48px; background: var(--f-copper-deep); transition: height .2s ease, background .2s ease; }
.f-topic-row:hover .f-topic-signal span { height: 72px; background: var(--f-copper-light); }
.f-topic-row.is-solved .f-topic-signal span { background: var(--f-success); }
.f-topic-badges { display: flex; min-height: 20px; margin-bottom: 8px; flex-wrap: wrap; align-items: center; gap: 7px; }
.f-status,
.f-category-label,
.f-tag { display: inline-flex; min-height: 22px; padding: 4px 8px; border: 1px solid var(--f-line); align-items: center; color: var(--f-muted-strong); font: 650 9px/1 var(--f-mono); letter-spacing: .05em; text-transform: uppercase; }
.f-category-label:hover,
.f-tag:hover { color: var(--f-copper-light); border-color: var(--f-line-warm); }
.f-status-solved { color: var(--f-success); border-color: rgba(145,189,145,.3); }
.f-status-pinned { color: var(--f-copper-light); }
.f-status-locked { color: var(--f-muted); }
.f-topic-main { min-width: 0; }
.f-topic-main h3 { margin-bottom: 6px; font-size: 1.16rem; line-height: 1.3; }
.f-topic-main h3 a:hover { color: var(--f-copper-light); }
.f-topic-main > p { max-width: 760px; margin: 0 0 10px; color: var(--f-muted); font-size: .88rem; }
.f-topic-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; color: var(--f-muted); font-size: .74rem; }
.f-topic-meta a:hover { color: var(--f-copper-light); }
.f-topic-counts { display: grid; margin: 0; grid-template-columns: repeat(2, 1fr); text-align: center; }
.f-topic-counts div + div { border-left: 1px solid var(--f-line); }
.f-topic-counts dt { color: var(--f-muted); font-size: .65rem; text-transform: uppercase; }
.f-topic-counts dd { margin: 3px 0 0; font: 650 .96rem/1.2 var(--f-mono); }
.f-topic-last { min-width: 0; padding-left: 18px; border-left: 1px solid var(--f-line); }
.f-topic-last > a,
.f-topic-last > span { display: block; margin-top: 5px; overflow: hidden; color: var(--f-muted); font-size: .7rem; text-overflow: ellipsis; white-space: nowrap; }
.f-author { display: flex; align-items: center; gap: 12px; }
.f-author-compact { gap: 8px; }
.f-author a { display: block; max-width: 150px; overflow: hidden; font-size: .82rem; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.f-author a:hover { color: var(--f-copper-light); }
.f-author span { display: block; color: var(--f-muted); font-size: .67rem; }
.f-avatar { display: grid; width: 52px; height: 52px; flex: 0 0 auto; border: 1px solid var(--f-line-warm); border-radius: 50%; place-items: center; object-fit: cover; color: var(--f-copper-light); background: var(--f-panel-warm); font-size: .82rem; font-weight: 750; }
.f-avatar-sm { width: 32px; height: 32px; font-size: .65rem; }

.f-sidebar-stack { display: flex; flex-direction: column; gap: 22px; }
.f-side-card { padding: 28px; border: 1px solid var(--f-line); background: var(--f-panel); }
.f-side-card-accent { border-color: var(--f-line-warm); background: var(--f-panel-warm); }
.f-side-card h2 { margin-bottom: 14px; font-size: 1.65rem; line-height: 1.08; letter-spacing: -.04em; }
.f-side-card p { color: var(--f-muted); }
.f-mini-topic-list { margin: 0; padding: 0; list-style: none; }
.f-mini-topic-list li { border-top: 1px solid var(--f-line); }
.f-mini-topic-list a { display: flex; padding: 14px 0; flex-direction: column; gap: 5px; font-size: .85rem; }
.f-mini-topic-list a:hover span { color: var(--f-copper-light); }
.f-mini-topic-list small { color: var(--f-muted); }

.f-expertise-strip { background: rgba(29,30,25,.7); }
.f-expertise-grid { display: grid; border-top: 1px solid var(--f-line-warm); grid-template-columns: repeat(4, 1fr); }
.f-expertise-grid > div { min-height: 190px; padding: 26px; border-right: 1px solid var(--f-line); }
.f-expertise-grid > div:last-child { border-right: 0; }
.f-expertise-grid span { color: var(--f-copper); font: 700 11px/1 var(--f-mono); }
.f-expertise-grid h3 { margin: 45px 0 8px; font-size: 1.25rem; }
.f-expertise-grid p { margin: 0; color: var(--f-muted); font-size: .85rem; }
.f-join-banner { padding: clamp(70px, 8vw, 110px) 0; border-top: 1px solid var(--f-line-warm); background: linear-gradient(110deg, var(--f-panel-warm), var(--f-bg) 74%); }
.f-join-banner > .f-container { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(240px, .6fr) auto; align-items: end; gap: 50px; }
.f-join-banner h2 { margin: 0; font-size: clamp(2.2rem, 4vw, 4.3rem); line-height: .96; letter-spacing: -.055em; }
.f-join-banner > .f-container > p { margin: 0; color: var(--f-muted-strong); }
.f-join-banner > .f-container > div:last-child { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }

/* Category page */
.f-category-hero { padding: 42px 0 60px; border-bottom: 1px solid var(--f-line); }
.f-category-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 440px; align-items: end; gap: 70px; }
.f-category-hero h1 { max-width: 900px; margin-bottom: 24px; font-size: clamp(3.5rem, 7vw, 7rem); font-weight: 590; line-height: .88; letter-spacing: -.07em; }
.f-category-hero p:not(.f-eyebrow) { max-width: 760px; margin-bottom: 28px; color: var(--f-muted-strong); font-size: 1.12rem; }
.f-category-metrics { display: grid; margin: 0; border-top: 1px solid var(--f-line-warm); grid-template-columns: repeat(3, 1fr); }
.f-category-metrics > div { padding: 25px 16px; border-right: 1px solid var(--f-line); }
.f-category-metrics dt { color: var(--f-muted); font: 700 10px/1 var(--f-mono); text-transform: uppercase; }
.f-category-metrics dd { margin: 12px 0 0; font-size: 2rem; font-weight: 600; }
.f-subforum-section { padding-bottom: 72px; }
.f-subforum-section .f-section-heading { margin-bottom: 28px; }
.f-subforum-section h2,
.f-category-content h2 { margin: 0; font-size: 2.2rem; letter-spacing: -.045em; }
.f-subforum-grid { display: grid; border-top: 1px solid var(--f-line-warm); border-left: 1px solid var(--f-line-warm); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.f-subforum-card { display: grid; min-height: 170px; padding: 25px; border-right: 1px solid var(--f-line-warm); border-bottom: 1px solid var(--f-line-warm); grid-template-columns: 35px 1fr auto; gap: 13px; background: var(--f-panel); }
.f-subforum-card > span { color: var(--f-copper); font: 700 10px/1 var(--f-mono); }
.f-subforum-card h3 { margin-bottom: 8px; font-size: 1.3rem; }
.f-subforum-card p { margin-bottom: 14px; color: var(--f-muted); font-size: .82rem; }
.f-subforum-card small { color: var(--f-muted); font-family: var(--f-mono); }
.f-subforum-card > b { color: var(--f-copper); transition: transform .2s ease; }
.f-subforum-card:hover { background: var(--f-panel-raised); }
.f-subforum-card:hover > b { transform: translate(3px, -3px); }
.f-category-content { padding-bottom: 90px; }
.f-sort { display: flex; align-items: center; gap: 10px; }
.f-sort label { color: var(--f-muted); font-size: .78rem; }
.f-sort select { min-height: 42px; padding: 0 38px 0 14px; border: 1px solid var(--f-line); color: var(--f-muted-strong); background: var(--f-panel); }
.f-writing-guide { display: grid; margin-bottom: 110px; padding: 48px; border: 1px solid var(--f-line-warm); grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); gap: 60px; background: var(--f-panel-warm); }
.f-writing-guide h2 { font-size: clamp(2rem, 3.4vw, 3.4rem); line-height: .98; letter-spacing: -.05em; }
.f-writing-guide ol { display: grid; margin: 0; padding: 0; grid-template-columns: repeat(2, 1fr); list-style: none; }
.f-writing-guide li { display: grid; padding: 20px; border-top: 1px solid var(--f-line); grid-template-columns: 36px 1fr; gap: 12px; }
.f-writing-guide li > span { color: var(--f-copper); font: 700 10px/1.4 var(--f-mono); }
.f-writing-guide li p { margin: 5px 0 0; color: var(--f-muted); font-size: .82rem; }

/* Pagination and empty */
.f-pagination { display: grid; margin: 34px 0 0; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; }
.f-pagination > div { display: flex; align-items: center; gap: 6px; }
.f-pagination a,
.f-page-gap { display: inline-grid; min-width: 38px; height: 38px; place-items: center; border: 1px solid var(--f-line); color: var(--f-muted-strong); font-size: .78rem; }
.f-pagination a:hover,
.f-pagination a.is-current { color: var(--f-ink); border-color: var(--f-copper-light); background: var(--f-copper-light); }
.f-pagination .f-page-next { justify-self: end; }
.f-empty-state { display: grid; min-height: 230px; padding: 38px; border: 1px solid var(--f-line-warm); grid-template-columns: 80px 1fr auto; align-items: center; gap: 30px; background: var(--f-panel); }
.f-empty-mark { display: grid; width: 70px; height: 70px; border: 1px solid var(--f-line-warm); place-items: center; color: var(--f-copper); font: 500 2.4rem/1 var(--f-mono); }
.f-empty-state h2 { margin-bottom: 8px; font-size: 1.8rem; }
.f-empty-state p:not(.f-eyebrow) { margin: 0; color: var(--f-muted); }

/* Topic */
.f-topic-hero { padding: 32px 0 42px; border-bottom: 1px solid var(--f-line-warm); }
.f-topic-heading { display: grid; grid-template-columns: minmax(0, 1fr) 360px; align-items: end; gap: 40px; }
.f-topic-heading h1 { max-width: 1040px; margin: 12px 0 18px; font-size: clamp(2.5rem, 5.4vw, 5.3rem); font-weight: 590; line-height: .96; letter-spacing: -.06em; }
.f-topic-byline { margin: 0 0 16px; color: var(--f-muted); }
.f-topic-byline a { color: var(--f-copper-light); }
.f-tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.f-topic-heading dl { display: grid; margin: 0; border-top: 1px solid var(--f-line-warm); grid-template-columns: repeat(3, 1fr); }
.f-topic-heading dl div { padding: 20px 12px; border-right: 1px solid var(--f-line); }
.f-topic-heading dt { color: var(--f-muted); font: 700 9px/1 var(--f-mono); text-transform: uppercase; }
.f-topic-heading dd { margin: 10px 0 0; font-size: 1.35rem; }
.f-topic-toolbar { display: flex; margin-top: 36px; align-items: center; gap: 10px; }
.f-topic-toolbar form { margin: 0; }
.f-topic-toolbar > button { width: auto; }
.f-post-stack { display: flex; padding-top: 52px; flex-direction: column; gap: 24px; }
.f-post { display: grid; border: 1px solid var(--f-line); grid-template-columns: 210px minmax(0, 1fr); background: var(--f-panel); scroll-margin-top: calc(var(--f-header-h) + 24px); }
.f-post.is-solution { border-color: rgba(145,189,145,.45); box-shadow: inset 3px 0 0 var(--f-success); }
.f-post-author { padding: 26px; border-right: 1px solid var(--f-line); background: rgba(8,9,8,.28); }
.f-post-author .f-avatar { margin-bottom: 18px; }
.f-post-author h2 { margin-bottom: 6px; font-size: 1rem; }
.f-role-badge { display: inline-flex; padding: 3px 7px; border: 1px solid var(--f-line-warm); color: var(--f-copper-light); font: 650 9px/1 var(--f-mono); text-transform: uppercase; }
.f-post-author dl { margin: 24px 0 0; }
.f-post-author dl div { display: flex; padding: 7px 0; border-top: 1px solid var(--f-line); justify-content: space-between; gap: 8px; font-size: .7rem; }
.f-post-author dt { color: var(--f-muted); }
.f-post-author dd { margin: 0; text-align: right; }
.f-post-content { display: flex; min-width: 0; min-height: 300px; padding: 24px 30px; flex-direction: column; }
.f-post-content > header { display: flex; margin-bottom: 28px; padding-bottom: 14px; border-bottom: 1px solid var(--f-line); justify-content: space-between; gap: 20px; color: var(--f-muted); font-size: .72rem; }
.f-post-content > header div { display: flex; gap: 8px; }
.f-post-content > header span,
.f-post-content > header a { color: var(--f-copper-light); }
.f-solution-label { color: var(--f-success) !important; }
.f-post-body { max-width: 900px; color: var(--f-paper); font-size: 1rem; line-height: 1.78; overflow-wrap: anywhere; }
.f-post-body p { margin-bottom: 1.25em; }
.f-post-body a { color: var(--f-copper-light); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.f-post-empty,
.f-edited { color: var(--f-muted); font-style: italic; }
.f-edited { margin-top: auto; font-size: .7rem; }
.f-post-content > footer { display: flex; margin-top: auto; padding-top: 22px; border-top: 1px solid var(--f-line); justify-content: space-between; gap: 20px; }
.f-post-content > footer form { display: inline-flex; margin: 0; }
.f-post-content > footer button,
.f-post-content > footer a { padding: 7px 10px; border: 0; color: var(--f-muted-strong); background: transparent; font-size: .76rem; }
.f-post-content > footer button:hover,
.f-post-content > footer a:hover { color: var(--f-copper-light); }
.f-post-content > footer button span { color: var(--f-copper); }
.f-post-content > footer button:disabled { cursor: not-allowed; opacity: .55; }
.f-post-content > footer > div { display: flex; align-items: center; }
.f-post-engagement { display: flex; align-items: center; flex-wrap: wrap; gap: 3px; }
.f-like-form { display: inline-flex; margin: 0; }
.f-like-form button { display: inline-flex; min-height: 38px; padding: 7px 12px !important; border: 1px solid transparent !important; align-items: center; gap: 6px; border-radius: 999px; }
.f-like-form button b { min-width: 18px; color: var(--f-copper); font: 800 .72rem/1 var(--f-mono); text-align: center; }
.f-like-form.is-liked button { border-color: var(--f-line-warm) !important; color: var(--f-copper-pale) !important; background: rgba(200,132,92,.12) !important; }
.f-like-form.is-liked .f-icon-heart { color: var(--f-copper-light); transform: scale(1.08); }
.f-share-trigger,
.f-report-trigger { display: inline-flex; align-items: center; gap: 6px; }
.f-share-trigger .f-icon,
.f-report-trigger .f-icon { color: var(--f-copper); }
.f-profile-actions { display: flex; align-items: center; justify-content: flex-end; }
.f-profile-actions .f-report-trigger { min-height: 46px; padding: 0 18px; border: 1px solid var(--f-line-warm); color: var(--f-muted-strong); background: transparent; }
.f-profile-actions .f-report-trigger:hover { border-color: var(--f-copper); color: var(--f-copper-pale); }
.f-attachments { display: flex; margin: 18px 0; padding: 18px; border: 1px solid var(--f-line); flex-wrap: wrap; gap: 10px; }
.f-attachments > strong { width: 100%; }
.f-attachments a { display: flex; padding: 9px 12px; border: 1px solid var(--f-line); flex-direction: column; }
.f-attachments small { color: var(--f-muted); }
.f-reply-section { padding: 42px 0 90px; scroll-margin-top: var(--f-header-h); }
.f-reply-card { padding: 36px; border: 1px solid var(--f-line-warm); background: var(--f-panel-raised); }
.f-reply-intro { display: flex; margin-bottom: 26px; align-items: center; gap: 18px; }
.f-reply-intro h2 { margin: 0 0 5px; }
.f-reply-intro p { margin-bottom: 0; color: var(--f-muted); }
.f-reply-intro .f-eyebrow { margin-bottom: 6px; }
.f-editor-help { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.f-editor-help > span { color: var(--f-muted); font-size: .76rem; }
.f-login-callout { display: flex; padding: 38px; border: 1px solid var(--f-line-warm); align-items: center; justify-content: space-between; gap: 34px; background: var(--f-panel-warm); }
.f-login-callout h2 { margin: 0 0 8px; font-size: 2rem; }
.f-login-callout p:not(.f-eyebrow) { margin: 0; color: var(--f-muted); }
.f-login-callout > div:last-child { display: flex; gap: 10px; }
.f-locked-notice { display: flex; padding: 32px; border: 1px solid var(--f-line); align-items: center; gap: 20px; background: var(--f-panel); }
.f-locked-notice .f-icon { font-size: 2rem; color: var(--f-copper); }
.f-locked-notice h2 { margin-bottom: 5px; }
.f-locked-notice p { margin: 0; color: var(--f-muted); }
.f-related-section { padding-bottom: 100px; }

/* Forms */
.f-field { display: flex; margin-bottom: 23px; flex-direction: column; gap: 8px; }
.f-field > span:first-child { color: var(--f-muted-strong); font-size: .86rem; font-weight: 680; }
.f-field b { color: var(--f-copper-light); }
.f-field input,
.f-field textarea,
.f-field select,
.f-admin-filters input,
.f-admin-filters select {
  width: 100%;
  border: 1px solid var(--f-line);
  border-radius: 0;
  outline: 0;
  color: var(--f-paper);
  background: var(--f-bg);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.f-field input,
.f-field select { min-height: 54px; padding: 0 15px; }
.f-field textarea { min-height: 180px; padding: 15px; line-height: 1.6; resize: vertical; }
.f-field input[type="file"] { padding: 14px; }
.f-field input:focus,
.f-field textarea:focus,
.f-field select:focus,
.f-admin-filters input:focus,
.f-admin-filters select:focus { border-color: var(--f-copper-light); box-shadow: 0 0 0 4px rgba(224,164,125,.07); }
.f-field > small { color: var(--f-muted); font-size: .72rem; }
.f-field-error { margin: 0; color: var(--f-error); font-size: .78rem; }
.f-checkbox { display: flex; align-items: flex-start; gap: 11px; color: var(--f-muted-strong); font-size: .82rem; }
.f-checkbox input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--f-copper); }
.f-checkbox a { color: var(--f-copper-light); text-decoration: underline; text-underline-offset: 3px; }
.f-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.f-authored-page { padding: 26px 0 100px; }
.f-form-hero { max-width: 900px; padding: 34px 0 55px; }
.f-form-hero h1 { margin-bottom: 22px; font-size: clamp(3.2rem, 6vw, 6rem); line-height: .9; letter-spacing: -.065em; }
.f-form-hero > p:last-child { max-width: 680px; color: var(--f-muted-strong); font-size: 1.1rem; }
.f-compose-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; align-items: start; gap: 42px; }
.f-compose-form { border-top: 1px solid var(--f-line-warm); }
.f-form-step { display: grid; padding: 32px 0; border-bottom: 1px solid var(--f-line); grid-template-columns: 70px minmax(0, 1fr); gap: 20px; }
.f-form-step > span { color: var(--f-copper); font: 700 11px/1 var(--f-mono); }
.f-field-tip { padding: 12px 14px; border-left: 2px solid var(--f-copper-deep); color: var(--f-muted); background: rgba(200,132,92,.04); font-size: .78rem; }
.f-submit-panel { display: flex; padding: 28px; border: 1px solid var(--f-line-warm); align-items: center; justify-content: space-between; gap: 25px; background: var(--f-panel-warm); }
.f-submit-panel .f-checkbox { max-width: 580px; }
.f-compose-aside { position: sticky; top: calc(var(--f-header-h) + 24px); display: flex; flex-direction: column; gap: 20px; }
.f-compose-aside > section { padding: 27px; border: 1px solid var(--f-line); background: var(--f-panel); }
.f-compose-aside h2 { font-size: 1.75rem; line-height: 1.05; }
.f-compose-aside ul { margin: 22px 0 0; padding: 0; list-style: none; }
.f-compose-aside li { display: flex; padding: 10px 0; border-top: 1px solid var(--f-line); align-items: center; gap: 10px; color: var(--f-muted-strong); font-size: .82rem; }
.f-compose-aside li .f-icon { color: var(--f-copper); }
.f-compose-aside .f-safety-card { border-color: rgba(213,161,94,.35); background: rgba(213,161,94,.06); }
.f-safety-card p { margin: 9px 0 0; color: var(--f-muted); font-size: .8rem; }

/* Auth */
.f-page-auth .f-site-header,
.f-page-auth .f-footer { display: none; }
.f-auth-page { display: grid; min-height: 100vh; grid-template-columns: minmax(380px, .82fr) minmax(500px, 1.18fr); background: var(--f-bg); }
.f-auth-visual { position: relative; display: flex; min-height: 100vh; padding: clamp(40px, 6vw, 90px); border-right: 1px solid var(--f-line-warm); align-items: flex-end; overflow: hidden; background: var(--f-panel-warm); }
.f-auth-visual::before { position: absolute; inset: 0; content: ""; opacity: .38; background: linear-gradient(rgba(240,236,230,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(240,236,230,.035) 1px, transparent 1px); background-size: 54px 54px; transform: rotate(-7deg) scale(1.15); }
.f-auth-visual::after { position: absolute; top: 9%; right: -25%; width: 65%; height: 82%; border: 1px solid var(--f-line-warm); content: ""; transform: skewX(-8deg); }
.f-auth-visual > div { position: relative; z-index: 1; max-width: 650px; }
.f-auth-visual h1 { margin-bottom: 28px; font-size: clamp(3.3rem, 5.5vw, 6.3rem); font-weight: 580; line-height: .88; letter-spacing: -.07em; }
.f-auth-visual p:not(.f-eyebrow) { color: var(--f-muted-strong); font-size: 1.05rem; }
.f-auth-visual ul { display: flex; margin: 30px 0 0; padding: 0; flex-wrap: wrap; gap: 12px 20px; list-style: none; color: var(--f-muted); font-size: .8rem; }
.f-auth-visual li { display: flex; align-items: center; gap: 7px; }
.f-auth-visual .f-icon { color: var(--f-copper); }
.f-auth-panel { display: flex; padding: 40px clamp(30px, 7vw, 130px); flex-direction: column; justify-content: center; }
.f-auth-back { position: absolute; top: 34px; color: var(--f-muted); font-size: .82rem; }
.f-auth-back:hover { color: var(--f-copper-light); }
.f-auth-card { width: min(100%, 520px); margin-inline: auto; }
.f-auth-card h2 { margin-bottom: 8px; font-size: 2.7rem; letter-spacing: -.05em; }
.f-auth-card > p:not(.f-eyebrow) { margin-bottom: 28px; color: var(--f-muted); }
.f-auth-card form { display: flex; flex-direction: column; }
.f-password-field { position: relative; display: block; }
.f-password-field input { padding-right: 90px; }
.f-password-field button { position: absolute; top: 50%; right: 10px; padding: 6px; border: 0; color: var(--f-copper-light); background: transparent; font-size: .72rem; transform: translateY(-50%); }
.f-password-meter { height: 3px; background: var(--f-line); }
.f-password-meter span { display: block; width: 0; height: 100%; background: var(--f-error); transition: width .2s ease, background .2s ease; }
.f-password-meter[data-strength="2"] span { width: 50%; background: var(--f-warning); }
.f-password-meter[data-strength="3"] span,
.f-password-meter[data-strength="4"] span { width: 100%; background: var(--f-success); }
.f-login-options { display: flex; margin-bottom: 24px; align-items: center; justify-content: space-between; gap: 20px; }
.f-login-options > a { color: var(--f-copper-light); font-size: .8rem; }
.f-auth-switch { margin: 24px 0 0 !important; text-align: center; font-size: .82rem; }
.f-auth-switch a { color: var(--f-copper-light); }
.f-auth-security { width: min(100%, 520px); margin: 28px auto 0; color: var(--f-muted); text-align: center; font-size: .72rem; }
.f-auth-security .f-icon { margin-right: 8px; color: var(--f-copper); }

/* Profile */
.f-profile-hero { display: grid; margin-top: 30px; padding: 44px; border: 1px solid var(--f-line-warm); grid-template-columns: 1fr auto; align-items: start; gap: 30px; background: var(--f-panel-warm); }
.f-profile-identity { display: flex; align-items: center; gap: 24px; }
.f-profile-identity .f-avatar { width: 90px; height: 90px; font-size: 1.25rem; }
.f-profile-identity h1 { margin: 0 0 6px; font-size: 3.2rem; line-height: .95; letter-spacing: -.055em; }
.f-profile-identity p:last-child { margin: 0; color: var(--f-muted); }
.f-profile-hero dl { display: grid; margin: 35px 0 0; border-top: 1px solid var(--f-line); grid-column: 1 / -1; grid-template-columns: repeat(4, 1fr); }
.f-profile-hero dl div { padding: 22px; border-right: 1px solid var(--f-line); }
.f-profile-hero dt { color: var(--f-muted); font: 700 10px/1 var(--f-mono); text-transform: uppercase; }
.f-profile-hero dd { margin: 10px 0 0; font-size: 1.6rem; }
.f-profile-bio { max-width: 900px; padding: 55px 0; }
.f-profile-bio p:not(.f-eyebrow) { color: var(--f-muted-strong); }
.f-profile-activity { padding: 40px 0 100px; }
.f-tabs { display: flex; margin-bottom: 28px; border-bottom: 1px solid var(--f-line-warm); gap: 28px; }
.f-tabs button { padding: 14px 0; border: 0; border-bottom: 2px solid transparent; color: var(--f-muted); background: transparent; font-weight: 700; }
.f-tabs button[aria-selected="true"] { color: var(--f-paper); border-bottom-color: var(--f-copper-light); }
.f-profile-replies { margin: 0; padding: 0; border-top: 1px solid var(--f-line-warm); list-style: none; }
.f-profile-replies a { display: grid; padding: 24px; border-bottom: 1px solid var(--f-line); grid-template-columns: minmax(0, 1fr) auto; gap: 6px 24px; }
.f-profile-replies strong { font-size: 1.06rem; }
.f-profile-replies span { color: var(--f-muted); font-size: .82rem; }
.f-profile-replies time { color: var(--f-muted); font-size: .72rem; grid-column: 2; grid-row: 1 / span 2; }

/* Search */
.f-search-hero { max-width: 1050px; padding: 52px 0 45px; }
.f-search-hero h1 { margin-bottom: 18px; font-size: clamp(3rem, 6vw, 6rem); line-height: .9; letter-spacing: -.065em; }
.f-search-hero > p:not(.f-eyebrow) { color: var(--f-muted-strong); }
.f-search-hero .f-global-search { margin-top: 36px; }
.f-search-results { padding-bottom: 100px; }

/* Moderation */
.f-page-admin .f-site-header,
.f-page-admin .f-footer { display: none; }
.f-admin-shell { display: grid; min-height: 100vh; grid-template-columns: 290px minmax(0, 1fr); background: var(--f-bg); }
.f-admin-sidebar { position: sticky; top: 0; display: flex; height: 100vh; padding: 28px 22px; border-right: 1px solid var(--f-line-warm); flex-direction: column; background: var(--f-panel); }
.f-admin-back { margin-bottom: 52px; color: var(--f-muted); font-size: .78rem; }
.f-admin-sidebar h1 { margin-bottom: 30px; font-size: 2rem; }
.f-admin-sidebar nav { display: flex; flex-direction: column; }
.f-admin-sidebar nav a { display: flex; min-height: 48px; padding: 0 12px; border-top: 1px solid var(--f-line); align-items: center; justify-content: space-between; color: var(--f-muted-strong); font-size: .85rem; }
.f-admin-sidebar nav a.is-active { color: var(--f-copper-light); background: rgba(200,132,92,.07); }
.f-admin-sidebar nav span { display: inline-grid; min-width: 22px; height: 22px; place-items: center; color: var(--f-ink); background: var(--f-copper-light); font: 700 10px/1 var(--f-mono); }
.f-admin-user { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--f-line); }
.f-admin-main { min-width: 0; padding: 48px; }
.f-admin-main > header { display: flex; margin-bottom: 36px; align-items: flex-end; justify-content: space-between; gap: 30px; }
.f-admin-main > header h2 { margin-bottom: 8px; font-size: 3rem; letter-spacing: -.05em; }
.f-admin-main > header p:not(.f-eyebrow) { margin: 0; color: var(--f-muted); }
.f-admin-stats { display: grid; margin-bottom: 30px; border: 1px solid var(--f-line-warm); grid-template-columns: repeat(4, 1fr); }
.f-admin-stats > div { display: flex; min-height: 100px; padding: 20px; border-right: 1px solid var(--f-line); flex-direction: column; justify-content: space-between; }
.f-admin-stats span { color: var(--f-muted); font-size: .72rem; }
.f-admin-stats strong { font-size: 1.8rem; }
.f-admin-panel { border: 1px solid var(--f-line); background: var(--f-panel); }
.f-admin-filters { display: grid; padding: 20px; border-bottom: 1px solid var(--f-line); grid-template-columns: minmax(240px, 1fr) 190px 190px auto; align-items: end; gap: 12px; }
.f-admin-filters label { display: flex; flex-direction: column; gap: 7px; color: var(--f-muted); font-size: .7rem; }
.f-admin-filters input,
.f-admin-filters select { min-height: 42px; padding: 0 11px; }
.f-admin-table-wrap { overflow-x: auto; }
.f-admin-table { width: 100%; border-collapse: collapse; }
.f-admin-table th { padding: 13px 15px; color: var(--f-muted); background: var(--f-bg); font: 700 9px/1 var(--f-mono); text-align: left; text-transform: uppercase; }
.f-admin-table td { min-width: 130px; padding: 17px 15px; border-top: 1px solid var(--f-line); vertical-align: top; font-size: .8rem; }
.f-admin-table td:nth-child(1),
.f-admin-table td:last-child { min-width: 50px; }
.f-admin-table td:nth-child(2) { min-width: 300px; }
.f-admin-table td > a:not(.f-btn) { display: block; margin: 5px 0; font-weight: 700; }
.f-admin-table td > p { margin: 0; color: var(--f-muted); }
.f-admin-type { color: var(--f-copper); font: 700 9px/1 var(--f-mono); text-transform: uppercase; }
.f-risk { display: inline-flex; padding: 4px 7px; border: 1px solid var(--f-line); }
.f-risk-high { color: var(--f-error); border-color: rgba(216,120,104,.4); }
.f-risk-medium { color: var(--f-warning); border-color: rgba(213,161,94,.4); }
.f-risk-low { color: var(--f-success); border-color: rgba(145,189,145,.35); }
.f-admin-table td > small { display: block; margin-top: 5px; color: var(--f-muted); }
.f-bulk-bar { position: sticky; bottom: 15px; display: flex; width: calc(100% - 30px); min-height: 62px; margin: 15px; padding: 9px 14px; border: 1px solid var(--f-line-strong); align-items: center; gap: 18px; background: var(--f-panel-warm); box-shadow: var(--f-shadow); }
.f-bulk-bar select { min-height: 40px; margin-left: auto; padding: 0 12px; border: 1px solid var(--f-line); background: var(--f-bg); }

/* Footer */
.f-footer { border-top: 1px solid var(--f-line-warm); background: #151612; }
.f-footer-grid { display: grid; padding-block: 58px; grid-template-columns: 1.5fr .7fr .7fr .9fr; gap: 50px; }
.f-footer-grid > div:first-child p { max-width: 450px; margin: 24px 0 0; color: var(--f-muted); font-size: .86rem; }
.f-footer-grid nav,
.f-footer-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.f-footer-grid strong { margin-bottom: 7px; color: var(--f-paper); }
.f-footer-grid nav a,
.f-footer-contact span { color: var(--f-muted); font-size: .82rem; }
.f-footer-grid nav a:hover,
.f-footer-contact a { color: var(--f-copper-light); }
.f-footer-legal { display: flex; min-height: 68px; border-top: 1px solid var(--f-line); align-items: center; justify-content: space-between; gap: 24px; color: var(--f-muted); font-size: .7rem; }
.f-footer-legal nav { display: flex; gap: 18px; }
.f-footer-legal a:hover { color: var(--f-copper-light); }

/* Error and dialog */
.f-error-page { display: grid; min-height: 70vh; place-items: center; padding: 80px 0; }
.f-error-page .f-container { max-width: 900px; }
.f-error-code { display: block; margin-bottom: -48px; color: rgba(224,164,125,.08); font: 800 clamp(8rem, 22vw, 18rem)/1 var(--f-mono); }
.f-error-page h1 { position: relative; margin-bottom: 20px; font-size: clamp(3rem, 6vw, 6rem); line-height: .92; letter-spacing: -.06em; }
.f-error-page p:not(.f-eyebrow) { max-width: 680px; color: var(--f-muted-strong); }
.f-error-page .f-global-search { margin: 34px 0; }
.f-dialog { width: min(calc(100% - 32px), 560px); padding: 0; border: 1px solid var(--f-line-warm); color: var(--f-paper); background: var(--f-panel); box-shadow: var(--f-shadow); }
.f-dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(4px); }
.f-dialog-close { position: absolute; top: 10px; right: 10px; }
.f-dialog-close button { width: 38px; height: 38px; border: 1px solid var(--f-line); color: var(--f-muted); background: transparent; font-size: 1.3rem; }
.f-dialog-content { padding: 38px; }
.f-dialog-content h2 { font-size: 2rem; }
.f-dialog-content > p:not(.f-eyebrow) { color: var(--f-muted); }
.f-dialog-content form { margin-top: 24px; }
.f-bug-form { max-width: 780px; }
.f-forum-toast {
  position: fixed;
  z-index: 1500;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  max-width: min(420px, calc(100vw - 36px));
  padding: 14px 18px;
  border: 1px solid var(--f-line-strong);
  color: var(--f-paper);
  background: rgba(18,17,15,.97);
  box-shadow: var(--f-shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity .18s ease, transform .18s ease;
}
.f-forum-toast[data-type="error"] { border-color: rgba(216,120,104,.7); }
.f-forum-toast.is-visible { opacity: 1; transform: translateY(0); }

/* Motion */
@keyframes f-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes f-draw {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@media (prefers-reduced-motion: no-preference) {
  .f-hero-copy > *,
  .f-hero-tool { opacity: 0; animation: f-rise .65s cubic-bezier(.22,.75,.25,1) forwards; }
  .f-hero-copy > :nth-child(2) { animation-delay: .06s; }
  .f-hero-copy > :nth-child(3) { animation-delay: .12s; }
  .f-hero-copy > :nth-child(4) { animation-delay: .18s; }
  .f-hero-copy > :nth-child(5) { animation-delay: .24s; }
  .f-hero-tool { animation-delay: .15s; }
  .f-stat-rail::before { animation: f-draw .9s .35s both; transform-origin: left; }
  [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
  [data-reveal].is-visible { opacity: 1; transform: none; }
}

/* Tablet */
@media (max-width: 1180px) {
  .f-header-inner { gap: 25px; }
  .f-main-nav { gap: 17px; }
  .f-main-nav a { font-size: .8rem; }
  .f-search-trigger span,
  .f-search-trigger kbd,
  .f-user-pill > span:not(.f-avatar):not(.f-notification) { display: none; }
  .f-home-hero-grid { grid-template-columns: minmax(0, 1fr) minmax(370px, .8fr); gap: 45px; }
  .f-hero-copy h1 { font-size: clamp(4rem, 8vw, 6.3rem); }
  .f-stat-rail { grid-template-columns: repeat(4, 1fr); }
  .f-stat-rail-cta { grid-column: 1 / -1; border-top: 1px solid var(--f-line); }
  .f-content-sidebar { grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; }
  .f-topic-row { grid-template-columns: 16px minmax(0, 1fr) 130px; }
  .f-topic-last { display: none; }
  .f-category-hero-grid { grid-template-columns: minmax(0, 1fr) 340px; gap: 40px; }
  .f-subforum-grid { grid-template-columns: repeat(2, 1fr); }
  .f-compose-layout { grid-template-columns: minmax(0, 1fr) 310px; gap: 28px; }
  .f-auth-page { grid-template-columns: .85fr 1.15fr; }
  .f-admin-main { padding: 34px; }
}

@media (max-width: 960px) {
  :root { --f-header-h: 74px; }
  .f-container { width: min(calc(100% - 36px), var(--f-container)); }
  .f-header-inner { width: calc(100% - 36px); justify-content: space-between; }
  .f-nav-toggle { display: inline-flex; min-height: 42px; padding: 0 12px; border: 1px solid var(--f-line-warm); align-items: center; gap: 9px; color: var(--f-paper); background: transparent; font-size: .8rem; font-weight: 700; }
  .f-nav-toggle-lines { display: flex; width: 18px; flex-direction: column; gap: 5px; }
  .f-nav-toggle-lines i { display: block; width: 100%; height: 1px; background: currentColor; transition: transform .2s ease; }
  .f-nav-toggle[aria-expanded="true"] i:first-child { transform: translateY(3px) rotate(45deg); }
  .f-nav-toggle[aria-expanded="true"] i:last-child { transform: translateY(-3px) rotate(-45deg); }
  .f-nav-shell { position: fixed; top: var(--f-header-h); right: 0; left: 0; display: none; max-height: calc(100vh - var(--f-header-h)); padding: 24px 18px; border-bottom: 1px solid var(--f-line-warm); flex-direction: column; align-items: stretch; overflow-y: auto; background: var(--f-bg); box-shadow: var(--f-shadow); }
  .f-nav-shell.is-open { display: flex; }
  .f-main-nav { align-items: stretch; flex-direction: column; gap: 0; }
  .f-main-nav a { min-height: 54px; padding: 16px 4px; border-bottom: 1px solid var(--f-line); font-size: 1rem; }
  .f-main-nav a::after { display: none; }
  .f-header-actions { display: grid; padding-top: 14px; grid-template-columns: 1fr 1fr; }
  .f-search-trigger { justify-content: center; }
  .f-search-trigger span { display: inline; }
  .f-user-pill { justify-content: center; }
  .f-header-actions .f-btn-primary { grid-column: 1 / -1; }
  .f-home-hero-grid { min-height: auto; grid-template-columns: 1fr; padding-block: 72px; }
  .f-home-hero::before { right: -35%; width: 100%; }
  .f-hero-copy h1 { max-width: 780px; }
  .f-hero-tool { max-width: 720px; }
  .f-split-heading { grid-template-columns: 1fr; gap: 20px; }
  .f-category-grid { grid-template-columns: 1fr; }
  .f-featured-grid { grid-template-columns: 1fr; }
  .f-featured-card { min-height: 260px; }
  .f-featured-number { margin-bottom: 35px; }
  .f-content-sidebar { grid-template-columns: 1fr; }
  .f-sidebar-stack { display: grid; grid-template-columns: repeat(2, 1fr); }
  .f-expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .f-expertise-grid > div { border-bottom: 1px solid var(--f-line); }
  .f-join-banner > .f-container { grid-template-columns: 1fr 1fr; }
  .f-join-banner > .f-container > div:first-child { grid-column: 1 / -1; }
  .f-category-hero-grid { grid-template-columns: 1fr; }
  .f-category-metrics { max-width: 600px; }
  .f-writing-guide { grid-template-columns: 1fr; }
  .f-topic-heading { grid-template-columns: 1fr; }
  .f-topic-heading dl { max-width: 520px; }
  .f-post { grid-template-columns: 160px minmax(0, 1fr); }
  .f-post-author { padding: 22px 18px; }
  .f-compose-layout { grid-template-columns: 1fr; }
  .f-compose-aside { position: static; display: grid; grid-template-columns: repeat(2, 1fr); grid-row: 1; }
  .f-auth-page { grid-template-columns: 1fr; }
  .f-auth-visual { display: none; }
  .f-auth-panel { min-height: 100vh; }
  .f-profile-hero { grid-template-columns: 1fr; }
  .f-admin-shell { grid-template-columns: 1fr; }
  .f-admin-sidebar { position: static; height: auto; }
  .f-admin-sidebar nav { display: grid; grid-template-columns: repeat(4, 1fr); }
  .f-admin-sidebar .f-eyebrow,
  .f-admin-sidebar h1,
  .f-admin-user { display: none; }
  .f-admin-back { margin-bottom: 20px; }
  .f-admin-main { padding: 28px 20px; }
  .f-admin-filters { grid-template-columns: 1fr 1fr; }
  .f-footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .f-footer-contact { grid-column: 1 / -1; }
}

/* Mobile */
@media (max-width: 680px) {
  body.forum-ui { background-size: 42px 42px; font-size: 15px; }
  .f-container { width: min(calc(100% - 28px), var(--f-container)); }
  .f-header-inner { width: calc(100% - 28px); }
  .f-brand-name { font-size: 1.08rem; }
  .f-brand-place { font-size: 8px; }
  .f-section { padding-block: 72px; }
  .f-section-heading { margin-bottom: 30px; }
  .f-section-heading h2,
  .f-split-heading h2 { font-size: 2.45rem; }
  .f-heading-row { align-items: flex-start; flex-direction: column; }
  .f-btn { width: 100%; min-height: 50px; }
  .f-btn-sm { width: auto; }
  .f-home-hero-grid { padding-block: 54px; }
  .f-hero-copy h1 { margin-bottom: 24px; font-size: clamp(3.6rem, 19vw, 5.5rem); }
  .f-hero-lead { font-size: 1rem; }
  .f-hero-actions { display: grid; }
  .f-hero-promises { flex-direction: column; }
  .f-hero-tool { padding: 18px; box-shadow: 10px 12px 0 rgba(200,132,92,.04); }
  .f-global-search > div { min-height: 58px; grid-template-columns: auto 1fr; }
  .f-global-search button { grid-column: 1 / -1; width: calc(100% - 16px); margin: 0 8px 8px; }
  .f-question-path { grid-template-columns: 1fr; gap: 8px; }
  .f-question-path i { display: none; }
  .f-stat-rail { grid-template-columns: repeat(2, 1fr); }
  .f-stat-rail > div:nth-child(odd) { border-left: 0; }
  .f-stat-rail > div { border-bottom: 1px solid var(--f-line); }
  .f-stat-rail-cta { grid-column: 1 / -1; }
  .f-category-card-main { min-height: 190px; padding: 25px 20px; grid-template-columns: 30px 1fr auto; gap: 10px; }
  .f-category-card-main h3 { font-size: 1.65rem; }
  .f-subforum-links { padding: 0 20px 18px 60px; grid-template-columns: 1fr; }
  .f-category-card-foot { padding-inline: 20px; }
  .f-featured-card { padding: 24px; }
  .f-topic-row { min-height: 125px; padding-right: 0; grid-template-columns: 10px minmax(0, 1fr); }
  .f-topic-counts { display: none; }
  .f-topic-main > p { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .f-topic-meta .f-tag { display: none; }
  .f-sidebar-stack { grid-template-columns: 1fr; }
  .f-expertise-grid { grid-template-columns: 1fr; }
  .f-expertise-grid > div { min-height: 155px; border-right: 0; }
  .f-expertise-grid h3 { margin-top: 30px; }
  .f-join-banner > .f-container { grid-template-columns: 1fr; gap: 26px; }
  .f-join-banner > .f-container > div:first-child { grid-column: auto; }
  .f-join-banner h2 { font-size: 2.65rem; }
  .f-category-hero { padding-top: 22px; }
  .f-category-hero h1 { font-size: 3.8rem; }
  .f-category-metrics { grid-template-columns: repeat(3, 1fr); }
  .f-category-metrics > div { padding: 18px 9px; }
  .f-category-metrics dd { font-size: 1.4rem; }
  .f-subforum-grid { grid-template-columns: 1fr; }
  .f-writing-guide { margin-bottom: 72px; padding: 27px 20px; gap: 28px; }
  .f-writing-guide ol { grid-template-columns: 1fr; }
  .f-empty-state { padding: 26px 20px; grid-template-columns: 1fr; }
  .f-empty-mark { width: 54px; height: 54px; }
  .f-pagination .f-page-prev span,
  .f-pagination .f-page-next span { display: none; }
  .f-pagination a { min-width: 34px; height: 34px; }
  .f-topic-heading h1 { font-size: 3rem; }
  .f-topic-toolbar { align-items: stretch; flex-direction: column; }
  .f-topic-toolbar form,
  .f-topic-toolbar form button { width: 100%; }
  .f-topic-toolbar > button { width: 100%; }
  .f-post { grid-template-columns: 1fr; }
  .f-post-author { display: grid; padding: 16px 18px; border-right: 0; border-bottom: 1px solid var(--f-line); grid-template-columns: 44px 1fr auto; align-items: center; gap: 10px; }
  .f-post-author .f-avatar { width: 42px; height: 42px; margin: 0; }
  .f-post-author h2 { margin: 0; }
  .f-post-author .f-role-badge { grid-column: 3; grid-row: 1; }
  .f-post-author dl { display: none; }
  .f-post-content { min-height: 240px; padding: 20px 18px; }
  .f-post-content > header { align-items: flex-start; flex-direction: column; gap: 5px; }
  .f-post-content > footer { align-items: flex-start; flex-direction: column; }
  .f-post-content > footer > div { flex-wrap: wrap; }
  .f-post-engagement { width: 100%; }
  .f-post-engagement > button,
  .f-post-engagement > form { flex: 1 1 auto; }
  .f-post-engagement > button,
  .f-post-engagement > form button { width: 100%; justify-content: center; }
  .f-profile-actions { width: 100%; justify-content: flex-start; }
  .f-reply-card { padding: 24px 18px; }
  .f-reply-intro .f-avatar { display: none; }
  .f-editor-help { align-items: stretch; flex-direction: column; }
  .f-login-callout { padding: 26px 20px; align-items: stretch; flex-direction: column; }
  .f-login-callout > div:last-child { flex-direction: column; }
  .f-form-hero h1 { font-size: 3.7rem; }
  .f-form-step { grid-template-columns: 35px minmax(0, 1fr); }
  .f-submit-panel { align-items: stretch; flex-direction: column; }
  .f-compose-aside { grid-template-columns: 1fr; }
  .f-auth-panel { padding: 90px 20px 40px; }
  .f-auth-card h2 { font-size: 2.25rem; }
  .f-login-options { align-items: flex-start; flex-direction: column; }
  .f-profile-hero { padding: 27px 20px; }
  .f-profile-identity { align-items: flex-start; }
  .f-profile-identity .f-avatar { width: 62px; height: 62px; }
  .f-profile-identity h1 { font-size: 2.2rem; }
  .f-profile-hero dl { grid-template-columns: repeat(2, 1fr); }
  .f-profile-hero dl div { border-bottom: 1px solid var(--f-line); }
  .f-profile-replies a { grid-template-columns: 1fr; }
  .f-profile-replies time { grid-column: auto; grid-row: auto; }
  .f-admin-sidebar nav { grid-template-columns: 1fr 1fr; }
  .f-admin-main > header { align-items: flex-start; flex-direction: column; }
  .f-admin-main > header h2 { font-size: 2.3rem; }
  .f-admin-stats { grid-template-columns: 1fr 1fr; }
  .f-admin-stats > div { border-bottom: 1px solid var(--f-line); }
  .f-admin-filters { grid-template-columns: 1fr; }
  .f-bulk-bar { align-items: stretch; flex-direction: column; }
  .f-bulk-bar select { width: 100%; margin-left: 0; }
  .f-footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .f-footer-grid > div:first-child,
  .f-footer-contact { grid-column: 1 / -1; }
  .f-footer-legal { padding-block: 22px; align-items: flex-start; flex-direction: column; }
  .f-error-code { margin-bottom: -20px; }
  .f-dialog-content { padding: 34px 22px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

.f-quote-activation {
  display: grid;
  margin-top: 42px;
  border: 1px solid var(--f-line-warm);
  background: rgba(12, 13, 12, .88);
  box-shadow: var(--f-shadow);
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
}

.f-quote-preview,
.f-quote-account { padding: clamp(26px, 4vw, 52px); }

.f-quote-preview {
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--f-line);
  background: linear-gradient(145deg, rgba(200,132,92,.09), transparent 60%);
}

.f-quote-preview::after {
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 290px;
  height: 290px;
  border: 1px solid rgba(224,164,125,.15);
  border-radius: 50%;
  content: "";
}

.f-quote-preview h2,
.f-quote-account h2 { font-size: clamp(1.8rem, 3vw, 3.1rem); line-height: 1.08; }

.f-quote-preview > p:not(.f-eyebrow) { position: relative; z-index: 1; max-width: 72ch; color: var(--f-muted-strong); }
.f-quote-account > p { color: var(--f-muted); }
.f-quote-account form { display: grid; gap: 16px; margin-top: 24px; }
.f-quote-remove { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--f-line); color: var(--f-muted); }
.f-quote-remove summary { color: var(--f-muted-strong); cursor: pointer; }
.f-quote-remove p { margin: 14px 0; font-size: .9rem; }

@media (max-width: 860px) {
  .f-quote-activation { grid-template-columns: 1fr; }
  .f-quote-preview { border-right: 0; border-bottom: 1px solid var(--f-line); }
}

@media (forced-colors: active) {
  .f-topic-signal span,
  .f-live-dot::before,
  .f-eyebrow > span { background: CanvasText; }
  .f-btn-primary { border: 2px solid ButtonText; }
}