/* =========================================================================
   Round 2 — Component Library styles
   Every component lives inside .system-root and reads only from tokens.
   ========================================================================= */

/* ---------- Anatomy diagram helper ---------- */
.system-root .anatomy {
  position: relative;
  border: 1px dashed var(--color-rule);
  padding: var(--space-6);
  background:
    linear-gradient(to right, transparent 0 calc(100% - 1px), var(--color-rule-soft) calc(100% - 1px)),
    linear-gradient(to bottom, transparent 0 calc(100% - 1px), var(--color-rule-soft) calc(100% - 1px));
  background-size: 24px 24px;
}
.system-root .anatomy-label {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-bg);
  padding: 1px 6px;
  white-space: nowrap;
}

/* ========================================================================
   NAV · Header
   ======================================================================== */
.system-root .c-header {
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-bg);
}
.system-root .c-header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-4) var(--space-5);
  max-width: 1280px;
  margin: 0 auto;
}
.system-root .c-logo {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  font-weight: 500;
}
.system-root[data-preset="gaming"] .c-logo { font-weight: 800; text-transform: uppercase; letter-spacing: -0.01em; }
.system-root[data-preset="automotive"] .c-logo { font-weight: 900; letter-spacing: -0.04em; text-transform: uppercase; }

.system-root .c-nav { display: flex; gap: var(--space-5); justify-content: center; }
.system-root .c-nav a {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-primary);
  font-weight: var(--nav-weight);
  text-decoration: none;
  letter-spacing: 0.01em;
  position: relative;
  padding: 6px 0;
  transition: color var(--dur-quick) var(--ease-standard);
}
.system-root .c-nav a:hover { color: var(--color-accent); }
.system-root .c-nav a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--color-accent);
}
.system-root[data-preset="gaming"] .c-nav a { text-transform: uppercase; letter-spacing: 0.04em; font-size: 12px; }
.system-root[data-preset="automotive"] .c-nav a { text-transform: uppercase; letter-spacing: 0.06em; font-size: 12px; }

.system-root .c-utility {
  display: flex; gap: var(--space-3); align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.system-root .c-utility .search-icon {
  width: 14px; height: 14px; border: 1.5px solid currentColor; border-radius: 50%;
  position: relative;
}
.system-root .c-utility .search-icon::after {
  content:""; position:absolute; right:-3px; bottom:-3px; width:6px; height:1.5px;
  background:currentColor; transform: rotate(45deg); transform-origin: left;
}

/* ========================================================================
   NAV · Footer
   ======================================================================== */
.system-root .c-footer {
  border-top: 2px solid var(--color-text-primary);
  background: var(--color-bg);
  padding: var(--space-8) var(--space-5) var(--space-6);
}
.system-root .c-footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-7);
}
.system-root .c-footer-brand .logo {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}
.system-root[data-preset="gaming"] .c-footer-brand .logo,
.system-root[data-preset="automotive"] .c-footer-brand .logo { text-transform: uppercase; font-weight: 800; }
.system-root .c-footer-brand .tag {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--color-text-secondary);
  max-width: 40ch;
  line-height: 1.5;
}
.system-root .c-footer h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-3);
  font-weight: 500;
}
.system-root .c-footer ul { list-style: none; padding: 0; margin: 0; }
.system-root .c-footer li { margin-bottom: var(--space-2); }
.system-root .c-footer a {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-primary);
  text-decoration: none;
}
.system-root .c-footer a:hover { color: var(--color-accent); }
.system-root .c-footer-bottom {
  max-width: 1280px; margin: var(--space-7) auto 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-rule);
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}
@media (max-width: 820px) {
  .system-root .c-footer-inner { grid-template-columns: 1fr 1fr; gap: var(--space-5); }
}

/* ========================================================================
   NAV · Breadcrumbs
   ======================================================================== */
.system-root .c-breadcrumbs {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-2);
  align-items: center;
  flex-wrap: wrap;
}
.system-root .c-breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.system-root .c-breadcrumbs a:hover { color: var(--color-accent); }
.system-root .c-breadcrumbs .sep { color: var(--color-text-muted); opacity: 0.5; }
.system-root .c-breadcrumbs .current { color: var(--color-text-primary); }

/* ========================================================================
   NAV · Pagination
   ======================================================================== */
.system-root .c-pagination {
  display: flex;
  gap: var(--space-1);
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
}
.system-root .c-pagination a, .system-root .c-pagination span {
  padding: 8px 12px;
  min-width: 36px;
  text-align: center;
  color: var(--color-text-primary);
  text-decoration: none;
  border: 1px solid transparent;
  transition: border-color var(--dur-quick) var(--ease-standard), background var(--dur-quick) var(--ease-standard);
}
.system-root .c-pagination a:hover { border-color: var(--color-rule); }
.system-root .c-pagination .current {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}
.system-root .c-pagination .ellipsis {
  color: var(--color-text-muted);
  padding: 8px 4px;
}
.system-root .c-pagination .arrow {
  padding: 8px 16px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 11px;
}

/* ========================================================================
   CONTENT · Category pill
   ======================================================================== */
.system-root .c-cat { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); font-weight: 600; }
/* treatment: rule */
.system-root[style*="--category-treatment: rule"] .c-cat,
.system-root .c-cat.t-rule {
  padding-left: var(--space-3); border-left: 2px solid var(--color-accent);
}
/* treatment: pill */
.system-root .c-cat.t-pill {
  display: inline-block; padding: 4px 10px; border: 1px solid var(--color-accent);
  color: var(--color-accent); border-radius: 999px;
}
/* treatment: block */
.system-root .c-cat.t-block {
  display: inline-block; padding: 4px 10px; background: var(--color-accent);
  color: var(--color-accent-ink);
}
/* auto: render based on --category-treatment */
.system-root .c-cat[data-auto] {
  /* defaults to "rule"; automotive = pill; gaming = block */
  padding-left: var(--space-3); border-left: 2px solid var(--color-accent);
}
.system-root[data-preset="gaming"] .c-cat[data-auto] {
  padding: 4px 10px; border-left: 0; background: var(--color-accent); color: var(--color-accent-ink);
}
.system-root[data-preset="automotive"] .c-cat[data-auto] {
  padding: 4px 10px; border-left: 0; border: 1px solid var(--color-accent);
  color: var(--color-accent); border-radius: 999px;
}

/* ========================================================================
   CONTENT · Byline + meta
   ======================================================================== */
.system-root .c-byline {
  display: flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-body);
}
.system-root .c-byline .avatar {
  width: 36px; height: 36px; border-radius: 999px;
  background: var(--color-rule); color: var(--color-text-secondary);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-body); font-size: 14px; font-weight: 600;
}
.system-root .c-byline .name {
  font-size: 14px; font-weight: 600; color: var(--color-text-primary);
}
.system-root .c-byline .role {
  font-family: var(--font-mono);
  font-size: 11px; color: var(--color-text-muted);
  letter-spacing: 0.04em; text-transform: uppercase;
}
.system-root .c-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  display: flex;
  gap: var(--space-3);
  align-items: center;
}
.system-root .c-meta .dot {
  width: 3px; height: 3px; background: currentColor; border-radius: 999px; opacity: 0.5;
}

/* ========================================================================
   CONTENT · Article card — 3 variants
   ======================================================================== */
.system-root .c-card {
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border: var(--card-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--dur-quick) var(--ease-standard);
}
.system-root .c-card:hover { border-color: var(--color-text-primary); }
.system-root .c-card .img {
  aspect-ratio: 16/10;
  background:
    repeating-linear-gradient(135deg, rgba(0,0,0,0.04) 0 1px, transparent 1px 10px),
    var(--color-rule-soft);
  position: relative;
}
.system-root[data-preset="gaming"] .c-card .img {
  background: repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 10px), #22222a;
}
.system-root .c-card .img::after {
  content: attr(data-placeholder);
  position: absolute; left: 10px; bottom: 8px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-text-muted);
}
.system-root .c-card .body {
  padding: var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.system-root .c-card .title {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin: 0;
  font-weight: 500;
}
.system-root[data-preset="gaming"] .c-card .title { font-weight: 700; text-transform: uppercase; }
.system-root[data-preset="automotive"] .c-card .title { font-weight: 800; letter-spacing: -0.02em; }

.system-root .c-card .excerpt {
  font-family: var(--font-body); font-size: 14px; line-height: 1.5;
  color: var(--color-text-secondary); margin: 0;
}

/* variant: minimal — no image, rule-separated list row */
.system-root .c-card.v-minimal {
  background: transparent; border: none;
  border-bottom: 1px solid var(--color-rule);
  border-radius: 0;
  padding: var(--space-4) 0;
}
.system-root .c-card.v-minimal:hover { border-color: var(--color-text-primary); }
.system-root .c-card.v-minimal .img { display: none; }
.system-root .c-card.v-minimal .body { padding: 0; }
.system-root .c-card.v-minimal .title { font-size: 20px; }

/* variant: editorial — image above, generous padding, serif title */
.system-root .c-card.v-editorial .title { font-size: 26px; line-height: 1.15; }
.system-root .c-card.v-editorial .img { aspect-ratio: 3/2; }

/* variant: magazine — overlay title on image, dense */
.system-root .c-card.v-magazine { position: relative; border: none; background: #000; }
.system-root .c-card.v-magazine .img { aspect-ratio: 4/5; filter: brightness(0.7); }
.system-root .c-card.v-magazine .body {
  position: absolute; inset: auto 0 0 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0));
  padding: var(--space-6) var(--space-4) var(--space-4);
}
.system-root .c-card.v-magazine .title, .system-root .c-card.v-magazine .excerpt { color: #fff; }
.system-root .c-card.v-magazine .c-meta, .system-root .c-card.v-magazine .c-cat { color: rgba(255,255,255,0.85); }

/* ========================================================================
   CONTENT · Hero — 3 variants
   ======================================================================== */
.system-root .c-hero {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-rule);
}
.system-root .c-hero.v-featured {
  display: grid; grid-template-columns: 7fr 5fr; gap: var(--space-7); align-items: center;
}
@media (max-width: 820px) { .system-root .c-hero.v-featured { grid-template-columns: 1fr; gap: var(--space-5); } }
.system-root .c-hero .h-img {
  aspect-ratio: 4/3;
  background: repeating-linear-gradient(135deg, rgba(0,0,0,0.04) 0 1px, transparent 1px 10px), var(--color-rule-soft);
  position: relative;
}
.system-root[data-preset="gaming"] .c-hero .h-img { background: repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 10px), #22222a; }
.system-root .c-hero .h-img::after {
  content: "hero figure · 1600 × 1200"; position: absolute; left: 14px; bottom: 12px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-text-muted);
}
.system-root .c-hero .h-body { display: flex; flex-direction: column; gap: var(--space-4); }
.system-root .c-hero .h-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0;
  font-weight: 500;
  color: var(--color-text-primary);
}
.system-root[data-preset="gaming"] .c-hero .h-title { font-weight: 700; text-transform: uppercase; }
.system-root[data-preset="automotive"] .c-hero .h-title { font-weight: 900; letter-spacing: -0.035em; }
.system-root .c-hero .h-dek {
  font-family: var(--font-body); font-size: 18px; line-height: 1.5;
  color: var(--color-text-secondary); max-width: 50ch; margin: 0;
}

/* v-grid: 1 large + 4 small */
.system-root .c-hero.v-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-4);
  align-items: stretch;
}
.system-root .c-hero.v-grid .lead { grid-column: span 4; display: flex; }
.system-root .c-hero.v-grid .lead > .c-card { flex: 1; display: flex; flex-direction: column; }
.system-root .c-hero.v-grid .lead > .c-card > .img { flex: 1; aspect-ratio: auto; min-height: 0; }
.system-root .c-hero.v-grid .side { grid-column: span 2; display: grid; gap: var(--space-3); grid-template-rows: 1fr 1fr; }
.system-root .c-hero.v-grid .side > .c-card { display: flex; flex-direction: column; min-height: 0; }
.system-root .c-hero.v-grid .side > .c-card > .img { flex: 1; aspect-ratio: auto; min-height: 0; }
@media (max-width: 820px) {
  .system-root .c-hero.v-grid { grid-template-columns: 1fr; }
  .system-root .c-hero.v-grid .lead, .system-root .c-hero.v-grid .side { grid-column: span 1; }
}

/* v-magazine: 3 equal columns with dense meta */
.system-root .c-hero.v-magazine {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border-top: 2px solid var(--color-text-primary);
  border-bottom: 2px solid var(--color-text-primary);
  padding: 0;
}
.system-root .c-hero.v-magazine > div {
  padding: var(--space-5) var(--space-4);
  border-left: 1px solid var(--color-rule);
}
.system-root .c-hero.v-magazine > div:first-child { border-left: 0; }
.system-root .c-hero.v-magazine .h-title { font-size: 26px; line-height: 1.15; }
@media (max-width: 820px) {
  .system-root .c-hero.v-magazine { grid-template-columns: 1fr; }
  .system-root .c-hero.v-magazine > div { border-left: 0; border-top: 1px solid var(--color-rule); }
  .system-root .c-hero.v-magazine > div:first-child { border-top: 0; }
}

/* ========================================================================
   ARTICLE PRIMITIVES
   ======================================================================== */
.system-root .c-article { max-width: 72ch; margin: 0 auto; padding: var(--space-6); }
.system-root .c-article h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
  font-weight: 500;
}
.system-root[data-preset="gaming"] .c-article h1 { font-weight: 700; text-transform: uppercase; }
.system-root[data-preset="automotive"] .c-article h1 { font-weight: 900; letter-spacing: -0.035em; }

.system-root .c-article .c-dek {
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.45;
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-6);
  max-width: 50ch;
}
.system-root .c-article p {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-4);
}
.system-root .c-article p.has-drop::first-letter {
  /* Drop cap on/off is a brand decision. Presets that want no drop cap set --drop-cap: off. */
  font-family: var(--font-display);
  float: left;
  font-size: 4.6em;
  line-height: 0.85;
  padding-right: 8px;
  padding-top: 6px;
  font-weight: 500;
}
/* Token off-switch: when brand opts out, neutralize the drop cap entirely. */
.system-root[style*="--drop-cap: off"] .c-article p.has-drop::first-letter,
.system-root[data-drop-cap="off"] .c-article p.has-drop::first-letter {
  font-family: inherit;
  float: none;
  font-size: inherit;
  line-height: inherit;
  padding: 0;
  font-weight: inherit;
}
/* animeakie explicitly opts out — lit-editorial audience, but the pub
   reads as a modern online magazine, not a medieval manuscript. */
.system-root[data-preset="animeakie"] .c-article p.has-drop::first-letter {
  font-family: inherit;
  float: none;
  font-size: inherit;
  line-height: inherit;
  padding: 0;
  font-weight: inherit;
}

/* Figure — 3 sizes */
.system-root figure.c-fig { margin: var(--space-7) 0; }
.system-root figure.c-fig.inline { width: 100%; }
.system-root figure.c-fig.wide {
  width: calc(100% + 128px);
  margin-left: -64px; margin-right: -64px;
}
@media (max-width: 820px) { .system-root figure.c-fig.wide { width: 100%; margin-left: 0; margin-right: 0; } }
.system-root figure.c-fig.bleed {
  width: 100vw; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw);
}
.system-root figure.c-fig .f-img {
  aspect-ratio: 16/9;
  background: repeating-linear-gradient(135deg, rgba(0,0,0,0.04) 0 1px, transparent 1px 10px), var(--color-rule-soft);
  position: relative;
}
.system-root[data-preset="gaming"] figure.c-fig .f-img { background: repeating-linear-gradient(135deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 10px), #22222a; }
.system-root figure.c-fig .f-img::after {
  content: attr(data-label);
  position: absolute; left: 12px; bottom: 10px;
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-text-muted);
}
.system-root figure.c-fig figcaption {
  max-width: 65ch; margin: var(--space-3) auto 0;
  padding: 0 var(--space-4);
}
.system-root figure.c-fig .cap {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-primary);
}
.system-root figure.c-fig .credit {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 4px;
}
.system-root figure.c-fig .credit::before { content: "Credit — "; opacity: 0.7; }

/* Pull quote */
.system-root .c-pull {
  margin: var(--space-7) 0;
  padding-left: var(--space-5);
  border-left: 3px solid var(--color-accent);
  max-width: 55ch;
}
.system-root .c-pull p {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3);
  font-weight: 400;
}
.system-root[data-preset="gaming"] .c-pull p { font-weight: 600; text-transform: none; }
.system-root .c-pull cite {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-style: normal;
}

/* Section divider */
.system-root .c-divider {
  display: flex; align-items: center; gap: var(--space-4);
  margin: var(--space-8) 0;
}
.system-root .c-divider .mark {
  width: 24px; height: 24px; position: relative; flex: 0 0 auto;
}
.system-root .c-divider .mark::before, .system-root .c-divider .mark::after {
  content: ""; position: absolute; background: var(--color-text-primary);
}
.system-root .c-divider .mark::before { top: 50%; left: 0; right: 0; height: 1px; }
.system-root .c-divider .mark::after { left: 50%; top: 0; bottom: 0; width: 1px; }
.system-root .c-divider .line { flex: 1; height: 1px; background: var(--color-rule); }

/* FAQ */
.system-root .c-faq { border-top: 1px solid var(--color-rule); }
.system-root .c-faq details {
  border-bottom: 1px solid var(--color-rule);
  padding: var(--space-4) 0;
}
.system-root .c-faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-display);
  font-size: 20px; line-height: 1.3; letter-spacing: -0.005em;
  color: var(--color-text-primary); font-weight: 500;
}
.system-root .c-faq summary::-webkit-details-marker { display: none; }
.system-root .c-faq summary::after {
  content: "+"; font-family: var(--font-mono); font-size: 20px;
  color: var(--color-text-muted); margin-left: var(--space-3);
  transition: transform var(--dur-quick) var(--ease-standard);
}
.system-root .c-faq details[open] summary::after { content: "−"; }
.system-root .c-faq .faq-body {
  font-family: var(--font-body); font-size: 16px; line-height: 1.6;
  color: var(--color-text-secondary); margin-top: var(--space-3); max-width: 60ch;
}

/* Related strip */
.system-root .c-related { border-top: 2px solid var(--color-text-primary); padding-top: var(--space-5); margin-top: var(--space-8); }
.system-root .c-related .label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-text-muted); margin-bottom: var(--space-4);
}
.system-root .c-related .strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5);
}
@media (max-width: 820px) { .system-root .c-related .strip { grid-template-columns: 1fr; } }

/* ========================================================================
   UTILITY
   ======================================================================== */
.system-root .c-btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-body); font-size: 14px; font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius-input);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-quick) var(--ease-standard), color var(--dur-quick) var(--ease-standard), border-color var(--dur-quick) var(--ease-standard);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.system-root .c-btn.primary {
  background: var(--color-accent); color: var(--color-accent-ink);
}
.system-root .c-btn.primary:hover { background: var(--color-text-primary); color: var(--color-bg); }
.system-root .c-btn.secondary {
  background: transparent; color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}
.system-root .c-btn.secondary:hover { background: var(--color-text-primary); color: var(--color-bg); }
.system-root .c-btn.ghost {
  background: transparent; color: var(--color-text-primary);
}
.system-root .c-btn.ghost:hover { color: var(--color-accent); }
.system-root[data-preset="gaming"] .c-btn { text-transform: uppercase; letter-spacing: 0.04em; font-size: 12px; }
.system-root[data-preset="automotive"] .c-btn { text-transform: uppercase; letter-spacing: 0.06em; font-size: 12px; }

.system-root .c-input {
  font-family: var(--font-body); font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-input);
  background: var(--color-surface);
  color: var(--color-text-primary);
  width: 100%;
  transition: border-color var(--dur-quick) var(--ease-standard);
}
.system-root .c-input::placeholder { color: var(--color-text-muted); }
.system-root .c-input:focus { outline: none; border-color: var(--color-accent); }

.system-root .c-loading {
  display: flex; gap: var(--space-3); align-items: center;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-text-muted);
}
.system-root .c-loading .bar {
  flex: 1; height: 2px; background: var(--color-rule-soft); overflow: hidden; position: relative;
}
.system-root .c-loading .bar::after {
  content: ""; position: absolute; inset: 0 auto 0 0;
  width: 30%; background: var(--color-accent);
  animation: loadbar 1400ms var(--ease-standard) infinite;
}
@keyframes loadbar { 0% { left: -30%; } 100% { left: 100%; } }

.system-root .c-skeleton {
  background: linear-gradient(90deg, var(--color-rule-soft) 0 20%, var(--color-rule) 50%, var(--color-rule-soft) 80%);
  background-size: 200% 100%;
  animation: skel 1800ms ease-in-out infinite;
}
@keyframes skel { 0% { background-position: 0% 0; } 100% { background-position: -200% 0; } }

.system-root .c-empty {
  border: 1px dashed var(--color-rule);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: var(--space-3);
}
.system-root .c-empty .mark {
  width: 40px; height: 40px; border: 1.5px solid var(--color-text-muted);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted); font-family: var(--font-mono); font-size: 18px;
}
.system-root .c-empty .title {
  font-family: var(--font-display); font-size: 22px; line-height: 1.2;
  color: var(--color-text-primary); margin: 0;
}
.system-root .c-empty .desc {
  font-family: var(--font-body); font-size: 14px; color: var(--color-text-secondary);
  max-width: 40ch; margin: 0;
}