/**
 * Forge project page — layout inspired by VitePress-style docs; palette reads as
 * live fire: deep coals, flame core, and glowing ember highlights.
 */

:root {
  color-scheme: light dark;
  --vp-c-bg: #fffdfb;
  --vp-c-bg-alt: #fff7ed;
  --vp-c-bg-soft: #ffedd5;
  --vp-c-text-1: #1c1917;
  --vp-c-text-2: #57534e;
  --vp-c-text-3: #78716c;
  --vp-c-divider: #fed7aa;
  /* Hot metal / ember accent — still legible on light surfaces */
  --vp-c-brand-1: #b91c1c;
  --vp-c-brand-2: #ea580c;
  /* Coal bed → cherry embers → flame → bright tongues (stops stay off pure white) */
  --vp-home-hero-name-background: linear-gradient(
    110deg,
    #1c0a0a 0%,
    #7f1d1d 14%,
    #b91c1c 32%,
    #ea580c 52%,
    #f97316 72%,
    #f59e0b 92%,
    #d97706 100%
  );
  --vp-code-bg: #fff7ed;
  --vp-code-border: #fdba74;
  --vp-nav-bg: rgba(255, 253, 250, 0.85);
  --vp-shadow: 0 1px 3px rgba(69, 10, 10, 0.08);
  --vp-card-border: #fed7aa;
  --vp-card-hover: #fff7ed;
  /* Soft ember wash for glows (light) */
  --vp-glow-flame: rgba(249, 115, 22, 0.35);
  --vp-glow-coal: rgba(185, 28, 28, 0.3);
  --vp-hero-ambient: rgba(251, 146, 60, 0.14);
  --vp-hero-name-glow: drop-shadow(0 0 12px var(--vp-glow-flame))
    drop-shadow(0 0 26px var(--vp-glow-coal));
}

/**
 * System appearance: when JS mode is "system", neither .light nor .dark is set.
 * Dark palette then comes from prefers-color-scheme alone (works even if theme.js is cached/old).
 */
@media (prefers-color-scheme: dark) {
  html:not(.light):not(.dark) {
    color-scheme: dark;
    --vp-c-bg: #0c0a0a;
    --vp-c-bg-alt: #0f0c0b;
    --vp-c-bg-soft: #1a1412;
    --vp-c-text-1: #fafaf9;
    --vp-c-text-2: #d6d3d1;
    --vp-c-text-3: #a8a29e;
    --vp-c-divider: #44403c;
    --vp-c-brand-1: #fb923c;
    --vp-c-brand-2: #fcd34d;
    --vp-home-hero-name-background: linear-gradient(
      112deg,
      #3f0f0f 0%,
      #991b1b 18%,
      #ea580c 42%,
      #fb923c 62%,
      #fbbf24 80%,
      #fde68a 94%,
      #fffbeb 100%
    );
    --vp-code-bg: #1a1412;
    --vp-code-border: #44403c;
    --vp-nav-bg: rgba(12, 10, 10, 0.88);
    --vp-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    --vp-card-border: #3f3a36;
    --vp-card-hover: #221c19;
    --vp-glow-flame: rgba(251, 191, 36, 0.55);
    --vp-glow-coal: rgba(248, 113, 113, 0.4);
    --vp-hero-ambient: rgba(234, 88, 12, 0.2);
    --vp-hero-name-glow: drop-shadow(0 0 10px rgba(251, 146, 60, 0.55))
      drop-shadow(0 0 22px rgba(234, 88, 12, 0.38))
      drop-shadow(0 0 34px rgba(185, 28, 28, 0.28));
  }
}

/** Pinned light theme (e.g. dark OS but user chose light). */
html.light {
  color-scheme: light;
  --vp-c-bg: #fffdfb;
  --vp-c-bg-alt: #fff7ed;
  --vp-c-bg-soft: #ffedd5;
  --vp-c-text-1: #1c1917;
  --vp-c-text-2: #57534e;
  --vp-c-text-3: #78716c;
  --vp-c-divider: #fed7aa;
  --vp-c-brand-1: #b91c1c;
  --vp-c-brand-2: #ea580c;
  --vp-home-hero-name-background: linear-gradient(
    110deg,
    #1c0a0a 0%,
    #7f1d1d 14%,
    #b91c1c 32%,
    #ea580c 52%,
    #f97316 72%,
    #f59e0b 92%,
    #d97706 100%
  );
  --vp-code-bg: #fff7ed;
  --vp-code-border: #fdba74;
  --vp-nav-bg: rgba(255, 253, 250, 0.85);
  --vp-shadow: 0 1px 3px rgba(69, 10, 10, 0.08);
  --vp-card-border: #fed7aa;
  --vp-card-hover: #fff7ed;
  --vp-glow-flame: rgba(249, 115, 22, 0.35);
  --vp-glow-coal: rgba(185, 28, 28, 0.3);
  --vp-hero-ambient: rgba(251, 146, 60, 0.14);
  --vp-hero-name-glow: drop-shadow(0 0 12px var(--vp-glow-flame))
    drop-shadow(0 0 26px var(--vp-glow-coal));
}

html.dark {
  color-scheme: dark;
  --vp-c-bg: #0c0a0a;
  --vp-c-bg-alt: #0f0c0b;
  --vp-c-bg-soft: #1a1412;
  --vp-c-text-1: #fafaf9;
  --vp-c-text-2: #d6d3d1;
  --vp-c-text-3: #a8a29e;
  --vp-c-divider: #44403c;
  --vp-c-brand-1: #fb923c;
  --vp-c-brand-2: #fcd34d;
  /* Dark forge: dying coals → flare → white-hot breath */
  --vp-home-hero-name-background: linear-gradient(
    112deg,
    #3f0f0f 0%,
    #991b1b 18%,
    #ea580c 42%,
    #fb923c 62%,
    #fbbf24 80%,
    #fde68a 94%,
    #fffbeb 100%
  );
  --vp-code-bg: #1a1412;
  --vp-code-border: #44403c;
  --vp-nav-bg: rgba(12, 10, 10, 0.88);
  --vp-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  --vp-card-border: #3f3a36;
  --vp-card-hover: #221c19;
  --vp-glow-flame: rgba(251, 191, 36, 0.55);
  --vp-glow-coal: rgba(248, 113, 113, 0.4);
  --vp-hero-ambient: rgba(234, 88, 12, 0.2);
  --vp-hero-name-glow: drop-shadow(0 0 10px rgba(251, 146, 60, 0.55))
    drop-shadow(0 0 22px rgba(234, 88, 12, 0.38))
    drop-shadow(0 0 34px rgba(185, 28, 28, 0.28));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    "Inter",
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--vp-c-bg);
  color: var(--vp-c-text-1);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--vp-c-brand-1);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code,
pre {
  font-family:
    ui-monospace,
    "SF Mono",
    "Cascadia Code",
    Menlo,
    Monaco,
    Consolas,
    monospace;
  font-size: 0.9em;
}

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

/* ——— Nav ——— */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--vp-c-divider);
  background: var(--vp-nav-bg);
  backdrop-filter: blur(12px);
}

.site-nav__inner {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-nav__brand {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--vp-c-text-1);
  text-decoration: none;
}

.site-nav__brand:hover {
  color: var(--vp-c-brand-1);
  text-decoration: none;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav__link {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--vp-c-text-2);
  text-decoration: none;
}

.site-nav__link:hover {
  color: var(--vp-c-text-1);
  background: var(--vp-c-bg-soft);
  text-decoration: none;
}

.site-nav__link.is-active {
  color: var(--vp-c-brand-1);
}

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--vp-c-text-2);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--vp-c-bg-soft);
  color: var(--vp-c-text-1);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle__icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ——— Layout ——— */

main {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ——— Hero ——— */

.hero {
  position: relative;
  isolation: isolate;
  padding: 48px 0 56px;
  text-align: center;
}

/* Faint forge glow behind the hero — suggests heat radiating upward */
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: min(100%, 720px);
  height: 280px;
  background: radial-gradient(
    ellipse 90% 70% at 50% 35%,
    var(--vp-hero-ambient),
    transparent 68%
  );
  pointer-events: none;
}

.hero__title {
  margin: 0 0 12px;
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero__name {
  display: block;
  background: var(--vp-home-hero-name-background);
  background-size: 120% 120%;
  background-position: 30% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: var(--vp-hero-name-glow);
}

.hero__subtitle {
  display: block;
  margin-top: 8px;
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--vp-c-text-1);
}

.hero__tagline {
  margin: 16px auto 0;
  max-width: 560px;
  font-size: 1.125rem;
  color: var(--vp-c-text-2);
}

.hero__actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.hero__download-note {
  margin: 20px auto 0;
  max-width: 520px;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--vp-c-text-2);
}

.hero__download-note a {
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease,
    box-shadow 0.18s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn--brand {
  background: linear-gradient(165deg, #b91c1c 0%, #dc2626 45%, #ea580c 100%);
  color: #fffaf5;
  border-color: rgba(254, 243, 199, 0.35);
  text-shadow: 0 0 12px rgba(254, 243, 199, 0.35);
  box-shadow:
    0 0 0 1px rgba(252, 165, 165, 0.25),
    0 2px 14px rgba(220, 38, 38, 0.35),
    0 0 28px rgba(249, 115, 22, 0.2);
}

.btn--brand:hover {
  background: linear-gradient(165deg, #dc2626 0%, #ea580c 50%, #f97316 100%);
  border-color: rgba(254, 240, 138, 0.55);
  color: #fffef9;
  box-shadow:
    0 0 0 1px rgba(253, 224, 71, 0.35),
    0 4px 22px rgba(234, 88, 12, 0.5),
    0 0 36px rgba(251, 191, 36, 0.28);
}

html.dark .btn--brand {
  background: linear-gradient(165deg, #7f1d1d 0%, #b91c1c 35%, #ea580c 75%, #f59e0b 100%);
  border-color: rgba(253, 224, 71, 0.4);
  text-shadow: 0 0 14px rgba(254, 249, 195, 0.45);
  box-shadow:
    0 0 0 1px rgba(251, 191, 36, 0.2),
    0 2px 18px rgba(234, 88, 12, 0.45),
    0 0 32px rgba(251, 146, 60, 0.25);
}

@media (prefers-color-scheme: dark) {
  html:not(.light):not(.dark) .btn--brand {
    background: linear-gradient(165deg, #7f1d1d 0%, #b91c1c 35%, #ea580c 75%, #f59e0b 100%);
    border-color: rgba(253, 224, 71, 0.4);
    text-shadow: 0 0 14px rgba(254, 249, 195, 0.45);
    box-shadow:
      0 0 0 1px rgba(251, 191, 36, 0.2),
      0 2px 18px rgba(234, 88, 12, 0.45),
      0 0 32px rgba(251, 146, 60, 0.25);
  }
}

html.dark .btn--brand:hover {
  background: linear-gradient(165deg, #b91c1c 0%, #ea580c 45%, #fb923c 78%, #fde68a 100%);
  border-color: rgba(255, 251, 235, 0.55);
  box-shadow:
    0 0 0 1px rgba(254, 240, 138, 0.45),
    0 4px 26px rgba(251, 146, 60, 0.55),
    0 0 44px rgba(253, 224, 71, 0.22);
}

@media (prefers-color-scheme: dark) {
  html:not(.light):not(.dark) .btn--brand:hover {
    background: linear-gradient(165deg, #b91c1c 0%, #ea580c 45%, #fb923c 78%, #fde68a 100%);
    border-color: rgba(255, 251, 235, 0.55);
    box-shadow:
      0 0 0 1px rgba(254, 240, 138, 0.45),
      0 4px 26px rgba(251, 146, 60, 0.55),
      0 0 44px rgba(253, 224, 71, 0.22);
  }
}

.btn--alt {
  background: var(--vp-c-bg-soft);
  color: var(--vp-c-text-1);
  border-color: var(--vp-c-divider);
}

.btn--alt:hover {
  border-color: var(--vp-c-brand-1);
  color: var(--vp-c-brand-1);
}

/* ——— Features ——— */

.features {
  padding: 24px 0 48px;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.feature-card {
  border: 1px solid var(--vp-card-border);
  border-radius: 12px;
  padding: 24px;
  background: var(--vp-c-bg);
  box-shadow: var(--vp-shadow);
  transition:
    border-color 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease;
}

.feature-card:hover {
  border-color: rgba(234, 88, 12, 0.65);
  background: var(--vp-card-hover);
  box-shadow:
    var(--vp-shadow),
    0 0 0 1px rgba(251, 146, 60, 0.12),
    0 8px 28px rgba(220, 38, 38, 0.08),
    0 0 40px rgba(249, 115, 22, 0.06);
}

html.dark .feature-card:hover {
  box-shadow:
    var(--vp-shadow),
    0 0 0 1px rgba(251, 146, 60, 0.2),
    0 8px 32px rgba(234, 88, 12, 0.15),
    0 0 48px rgba(251, 191, 36, 0.08);
}

@media (prefers-color-scheme: dark) {
  html:not(.light):not(.dark) .feature-card:hover {
    box-shadow:
      var(--vp-shadow),
      0 0 0 1px rgba(251, 146, 60, 0.2),
      0 8px 32px rgba(234, 88, 12, 0.15),
      0 0 48px rgba(251, 191, 36, 0.08);
  }
}

.feature-card__icon {
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 12px;
}

.feature-card__title {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 600;
}

.feature-card__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--vp-c-text-2);
}

/* ——— Content sections ——— */

.section {
  padding: 32px 0;
  border-top: 1px solid var(--vp-c-divider);
}

.section__title {
  margin: 0 0 8px;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.section__lead {
  margin: 0 0 20px;
  color: var(--vp-c-text-2);
  max-width: 720px;
}

.section h3 {
  margin: 24px 0 12px;
  font-size: 1.125rem;
  font-weight: 600;
}

.section ul,
.section ol {
  margin: 0 0 16px;
  padding-left: 1.25rem;
  color: var(--vp-c-text-2);
}

.section li {
  margin-bottom: 6px;
}

.section li strong {
  color: var(--vp-c-text-1);
}

/* ——— Code ——— */

.code-block {
  position: relative;
  margin: 16px 0;
  border-radius: 8px;
  border: 1px solid var(--vp-code-border);
  background: var(--vp-code-bg);
  overflow: hidden;
}

.code-block__label {
  display: block;
  padding: 8px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--vp-c-text-3);
  border-bottom: 1px solid var(--vp-code-border);
}

.code-block pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--vp-c-text-1);
}

.inline-code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--vp-code-bg);
  border: 1px solid var(--vp-code-border);
  font-size: 0.875em;
}

/* ——— Table ——— */

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  margin: 16px 0;
}

.doc-table th,
.doc-table td {
  border: 1px solid var(--vp-c-divider);
  padding: 10px 14px;
  text-align: left;
}

.doc-table th {
  background: var(--vp-c-bg-soft);
  font-weight: 600;
}

.doc-table td {
  color: var(--vp-c-text-2);
}

.doc-table td a {
  font-weight: 500;
}

/* ——— Principles ——— */

.principles {
  list-style: decimal;
  padding-left: 1.25rem;
  color: var(--vp-c-text-2);
}

.principles li {
  margin-bottom: 8px;
}

/* ——— Doc list ——— */

.doc-list {
  list-style: decimal;
  padding-left: 1.25rem;
  margin: 0;
}

.doc-list li {
  margin-bottom: 8px;
}

/* ——— Footer ——— */

.site-footer {
  border-top: 1px solid var(--vp-c-divider);
  padding: 32px 24px;
  text-align: center;
  color: var(--vp-c-text-3);
  font-size: 0.875rem;
}

.site-footer p {
  margin: 4px 0;
}

/* ——— Markdown doc pages (generated) ——— */

.doc-page {
  padding: 32px 24px 64px;
}

.doc-content {
  max-width: 900px;
  margin: 0 auto;
}

.doc-content > *:first-child {
  margin-top: 0;
}

.doc-content h1 {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--vp-c-text-1);
}

.doc-content h2 {
  margin: 2.25rem 0 12px;
  padding-top: 0.5rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  border-top: 1px solid var(--vp-c-divider);
  color: var(--vp-c-text-1);
}

.doc-content h2:first-of-type,
.doc-content > h1 + h2 {
  border-top: none;
  padding-top: 0;
}

.doc-content h3 {
  margin: 1.5rem 0 8px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--vp-c-text-1);
}

.doc-content h4 {
  margin: 1.25rem 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--vp-c-text-1);
}

.doc-content p {
  margin: 0 0 14px;
  color: var(--vp-c-text-2);
}

.doc-content a {
  font-weight: 500;
}

.doc-content ul,
.doc-content ol {
  margin: 0 0 16px;
  padding-left: 1.35rem;
  color: var(--vp-c-text-2);
}

.doc-content li {
  margin-bottom: 6px;
}

.doc-content li strong {
  color: var(--vp-c-text-1);
}

.doc-content hr {
  margin: 2rem 0;
  border: none;
  border-top: 1px solid var(--vp-c-divider);
}

.doc-content blockquote {
  margin: 16px 0;
  padding: 12px 16px;
  border-left: 4px solid var(--vp-c-brand-1);
  background: var(--vp-c-bg-soft);
  border-radius: 0 8px 8px 0;
  color: var(--vp-c-text-2);
}

.doc-content blockquote p:last-child {
  margin-bottom: 0;
}

.doc-content pre {
  margin: 16px 0;
  padding: 14px 16px;
  border-radius: 8px;
  border: 1px solid var(--vp-code-border);
  background: var(--vp-code-bg);
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--vp-c-text-1);
}

.doc-content pre code {
  font-size: inherit;
  padding: 0;
  border: none;
  background: none;
}

.doc-content code {
  font-size: 0.88em;
}

.doc-content p code,
.doc-content li code,
.doc-content td code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--vp-code-bg);
  border: 1px solid var(--vp-code-border);
}

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  margin: 16px 0 20px;
}

.doc-content th,
.doc-content td {
  border: 1px solid var(--vp-c-divider);
  padding: 10px 14px;
  text-align: left;
  vertical-align: top;
}

.doc-content th {
  background: var(--vp-c-bg-soft);
  font-weight: 600;
  color: var(--vp-c-text-1);
}

.doc-content td {
  color: var(--vp-c-text-2);
}

.doc-content thead th {
  color: var(--vp-c-text-1);
}

@media (max-width: 640px) {
  .site-nav__inner {
    flex-wrap: wrap;
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .hero {
    padding-top: 32px;
  }

  .doc-page {
    padding-left: 16px;
    padding-right: 16px;
  }
}