/* ==========================================================================
   Página de proyecto — davidbuenov.com
   Opción 1a: hero partido + raíl derecho pegajoso (índice + ficha)
   Claro y oscuro. Ajusta el selector de tema en :root si tu toggle usa otro.
   ========================================================================== */

#content.pj,
#content.pj .content-wrap,
.pj {
  --pj-bg:        oklch(0.985 0.003 250);
  --pj-bg-soft:   oklch(0.965 0.004 250);
  --pj-surface:   oklch(1 0 0);
  --pj-border:    oklch(0.9 0.006 250);
  --pj-border-2:  oklch(0.83 0.008 250);
  --pj-text:      oklch(0.24 0.012 250);
  --pj-text-soft: oklch(0.46 0.01 250);
  --pj-text-mute: oklch(0.58 0.01 250);
  --pj-accent:    oklch(0.58 0.11 195);
  --pj-accent-in: oklch(0.99 0.01 195);
  --pj-accent-bg: oklch(0.58 0.11 195 / 0.09);
  --pj-hero:      radial-gradient(110% 100% at 82% 0%, oklch(0.94 0.03 195) 0%, var(--pj-bg) 62%);
  --pj-shadow:    0 30px 64px -28px oklch(0.4 0.02 250 / 0.35);

  --pj-sans: 'IBM Plex Sans', system-ui, -apple-system, "Segoe UI", sans-serif;
  --pj-display: 'Space Grotesk', var(--pj-sans);
  --pj-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  background: var(--pj-bg) !important;
  color: var(--pj-text);
  font-family: var(--pj-sans);
}

/* Modo oscuro automático (Preferencias del sistema OS) */
@media (prefers-color-scheme: dark) {
  html:not(.light):not([data-bs-theme="light"]) body:not(.light) #content.pj,
  html:not(.light):not([data-bs-theme="light"]) body:not(.light) #content.pj .content-wrap,
  html:not(.light):not([data-bs-theme="light"]) body:not(.light) .pj {
    --pj-bg:        oklch(0.16 0.012 250);
    --pj-bg-soft:   oklch(0.145 0.01 250);
    --pj-surface:   oklch(0.195 0.012 250);
    --pj-border:    oklch(0.27 0.012 250);
    --pj-border-2:  oklch(0.36 0.014 250);
    --pj-text:      oklch(0.95 0.006 250);
    --pj-text-soft: oklch(0.78 0.01 250);
    --pj-text-mute: oklch(0.66 0.012 250);
    --pj-accent:    oklch(0.82 0.13 178);
    --pj-accent-in: oklch(0.18 0.03 200);
    --pj-accent-bg: oklch(0.82 0.13 178 / 0.12);
    --pj-hero:      radial-gradient(110% 100% at 82% 0%, oklch(0.26 0.05 190) 0%, var(--pj-bg) 62%);
    --pj-shadow:    0 34px 70px -26px oklch(0.05 0.02 250 / 0.85);
  }
}

/* Modo oscuro forzado (Botón Luna / localStorage = dark) */
html[data-bs-theme="dark"] #content.pj,
html[data-bs-theme="dark"] #content.pj .content-wrap,
html[data-bs-theme="dark"] .pj,
html.dark #content.pj,
html.dark #content.pj .content-wrap,
html.dark .pj,
body.dark:not(.light) #content.pj,
body.dark:not(.light) #content.pj .content-wrap,
body.dark:not(.light) .pj,
body[data-theme="dark"] .pj,
.dark-mode .pj {
  --pj-bg:        oklch(0.16 0.012 250);
  --pj-bg-soft:   oklch(0.145 0.01 250);
  --pj-surface:   oklch(0.195 0.012 250);
  --pj-border:    oklch(0.27 0.012 250);
  --pj-border-2:  oklch(0.36 0.014 250);
  --pj-text:      oklch(0.95 0.006 250);
  --pj-text-soft: oklch(0.78 0.01 250);
  --pj-text-mute: oklch(0.66 0.012 250);
  --pj-accent:    oklch(0.82 0.13 178);
  --pj-accent-in: oklch(0.18 0.03 200);
  --pj-accent-bg: oklch(0.82 0.13 178 / 0.12);
  --pj-hero:      radial-gradient(110% 100% at 82% 0%, oklch(0.26 0.05 190) 0%, var(--pj-bg) 62%);
  --pj-shadow:    0 34px 70px -26px oklch(0.05 0.02 250 / 0.85);
}

/* Modo claro forzado (Botón Sol / localStorage = light) */
html.light #content.pj,
html.light #content.pj .content-wrap,
html.light .pj,
body.light #content.pj,
body.light #content.pj .content-wrap,
body.light .pj,
html[data-bs-theme="light"] #content.pj,
html[data-bs-theme="light"] #content.pj .content-wrap,
html[data-bs-theme="light"] .pj {
  --pj-bg:        oklch(0.985 0.003 250) !important;
  --pj-bg-soft:   oklch(0.965 0.004 250) !important;
  --pj-surface:   oklch(1 0 0) !important;
  --pj-border:    oklch(0.9 0.006 250) !important;
  --pj-border-2:  oklch(0.83 0.008 250) !important;
  --pj-text:      oklch(0.24 0.012 250) !important;
  --pj-text-soft: oklch(0.46 0.01 250) !important;
  --pj-text-mute: oklch(0.58 0.01 250) !important;
  --pj-accent:    oklch(0.58 0.11 195) !important;
  --pj-accent-in: oklch(0.99 0.01 195) !important;
  --pj-accent-bg: oklch(0.58 0.11 195 / 0.09) !important;
  --pj-hero:      radial-gradient(110% 100% at 82% 0%, oklch(0.94 0.03 195) 0%, var(--pj-bg) 62%) !important;
  --pj-shadow:    0 30px 64px -28px oklch(0.4 0.02 250 / 0.35) !important;
}

.pj *, .pj *::before, .pj *::after { box-sizing: border-box; }
.pj-wrap { padding: 0; }
.pj-container { max-width: 1180px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 48px); }
.pj a { color: var(--pj-accent); text-decoration: none; }
.pj a:hover { color: var(--pj-accent); text-decoration: underline; text-underline-offset: 3px; }

/* ---------------------------------- HERO ---------------------------------- */
.pj-hero { padding-top: clamp(32px, 5vw, 56px); background: var(--pj-hero); }
.pj-crumbs {
  display: flex; align-items: center; gap: 8px; margin-bottom: 22px;
  font-family: var(--pj-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
}
.pj-crumbs a { color: var(--pj-text-mute); }
.pj-sep { color: var(--pj-border-2); }
.pj-crumb-current { color: var(--pj-accent); }

.pj-hero-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(28px, 4vw, 52px); align-items: center; }

.pj-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.pj-chip {
  font-family: var(--pj-mono); font-size: 11.5px; padding: 5px 10px; border-radius: 999px;
  border: 1px solid var(--pj-border-2); color: var(--pj-text-soft); white-space: nowrap;
}
.pj-chip--accent { border-color: color-mix(in oklab, var(--pj-accent) 55%, transparent); color: var(--pj-accent); background: var(--pj-accent-bg); }

.pj-title {
  font-family: var(--pj-display); font-weight: 700; font-size: clamp(34px, 4.4vw, 52px);
  line-height: 1.04; letter-spacing: -.03em; margin: 0 0 18px; color: var(--pj-text);
}
.pj-lede { font-size: clamp(16px, 1.3vw, 17.5px); line-height: 1.62; color: var(--pj-text-soft); margin: 0 0 26px; max-width: 46ch; text-wrap: pretty; }

.pj-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.pj-btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 13px 22px; border-radius: 11px;
  font-weight: 600; font-size: 14.5px; line-height: 1; transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.pj-btn:hover { text-decoration: none !important; transform: translateY(-2px); }
.pj a.pj-btn--primary, .pj-btn--primary { background: var(--pj-accent) !important; color: var(--pj-accent-in) !important; }
.pj a.pj-btn--primary:hover, .pj-btn--primary:hover { color: var(--pj-accent-in) !important; filter: brightness(1.06); }
.pj a.pj-btn--ghost, .pj-btn--ghost { border: 1px solid var(--pj-border-2); color: var(--pj-text) !important; background: transparent; }
.pj a.pj-btn--ghost:hover, .pj-btn--ghost:hover { color: var(--pj-text) !important; border-color: var(--pj-text-mute); background: var(--pj-bg-soft); }
.pj a.pj-btn--quiet, .pj-btn--quiet { color: var(--pj-text-soft) !important; padding-inline: 12px; }
.pj a.pj-btn--quiet:hover, .pj-btn--quiet:hover { color: var(--pj-text) !important; }

.pj-stats { display: flex; flex-wrap: wrap; gap: 24px 44px; margin: 42px 0 0; padding: 26px 0 0; border-top: 1px solid var(--pj-border); }
.pj-stat { margin: 0; }
.pj-stat-v { font-family: var(--pj-display); font-size: 27px; font-weight: 600; letter-spacing: -.02em; margin: 0; color: var(--pj-text); }
.pj-stat-k { font-family: var(--pj-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--pj-text-mute); margin-top: 5px; font-weight: 400; }

.pj-hero-shot { margin: 0; }
.pj-window { border-radius: 14px; overflow: hidden; border: 1px solid var(--pj-border-2); box-shadow: var(--pj-shadow); background: var(--pj-surface); }
.pj-window-bar { display: flex; align-items: center; gap: 7px; padding: 10px 13px; background: var(--pj-bg-soft); border-bottom: 1px solid var(--pj-border); }
.pj-dot { width: 9px; height: 9px; border-radius: 50%; }
.pj-dot--r { background: oklch(0.68 0.16 25); } .pj-dot--y { background: oklch(0.8 0.13 85); } .pj-dot--g { background: oklch(0.75 0.14 150); }
.pj-window-name { font-family: var(--pj-mono); font-size: 10.5px; color: var(--pj-text-mute); margin-left: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pj-window img { display: block; width: 100%; height: auto; }

.pj-hairline { max-width: 1180px; margin: clamp(36px, 5vw, 56px) auto 0; height: 1px; background: linear-gradient(90deg, transparent, var(--pj-border-2), transparent); }

/* --------------------------------- CUERPO --------------------------------- */
.pj-main {
  display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: clamp(32px, 4.5vw, 56px);
  align-items: start; padding-top: clamp(40px, 5vw, 52px); padding-bottom: clamp(48px, 6vw, 64px);
}
.pj-content { min-width: 0; }

.pj-eyebrow { font-family: var(--pj-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--pj-accent); margin: 0 0 14px; }
.pj-h2 { font-family: var(--pj-display); font-size: clamp(24px, 2.4vw, 30px); font-weight: 600; letter-spacing: -.022em; line-height: 1.16; margin: 0 0 18px; color: var(--pj-text); }
.pj-h3 { font-family: var(--pj-display); font-size: 22px; font-weight: 600; letter-spacing: -.02em; margin: 0; color: var(--pj-text); }
.pj-section { margin-top: clamp(44px, 5vw, 60px); }
.pj-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.pj-section-head .pj-h2 { margin: 0; }

/* Markdown del proyecto */
.pj-prose { font-size: 16.5px; line-height: 1.72; color: var(--pj-text-soft); max-width: 68ch; }
.pj-prose > :first-child { margin-top: 0; }
.pj-prose h1, .pj-prose h2, .pj-prose h3, .pj-prose h4, .pj-prose h5, .pj-prose h6 { color: var(--pj-text) !important; }
.pj-prose h2 { font-family: var(--pj-display); font-size: clamp(24px, 2.4vw, 30px); font-weight: 600; letter-spacing: -.022em; line-height: 1.18; color: var(--pj-text) !important; margin: 46px 0 16px; scroll-margin-top: 90px; }
.pj-prose h3 { font-family: var(--pj-display); font-size: 20px; font-weight: 600; color: var(--pj-text) !important; margin: 34px 0 12px; }
.pj-prose p, .pj-prose li { margin: 0 0 18px; text-wrap: pretty; color: var(--pj-text-soft); }
.pj-prose strong, .pj-prose b { color: var(--pj-text) !important; font-weight: 600; }
.pj-prose ul, .pj-prose ol { margin: 0 0 20px; padding-left: 22px; color: var(--pj-text-soft); }
.pj-prose li { margin-bottom: 8px; }
.pj-prose img { max-width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--pj-border); margin: 10px 0 22px; }
.pj-prose code { font-family: var(--pj-mono); font-size: .88em; padding: 3px 8px; border-radius: 6px; background: var(--pj-surface) !important; border: 1px solid var(--pj-border-2) !important; color: var(--pj-accent) !important; display: inline-block; line-height: 1.3; }
.pj-prose pre { background: var(--pj-surface) !important; border: 1px solid var(--pj-border-2) !important; border-radius: 12px; padding: 18px; overflow-x: auto; margin: 0 0 22px; color: var(--pj-text) !important; }
.pj-prose pre code { border: 0 !important; background: transparent !important; padding: 0 !important; font-size: 13.5px; line-height: 1.6; color: var(--pj-text) !important; display: block; }
.pj-prose blockquote { margin: 0 0 22px; padding: 4px 0 4px 20px; border-left: 2px solid var(--pj-accent); color: var(--pj-text-soft); font-style: normal; background: transparent !important; }
.pj-prose table { width: 100%; border-collapse: collapse; margin: 0 0 22px; font-size: 15px; background: transparent !important; color: var(--pj-text) !important; }
.pj-prose tr { background: transparent !important; }
.pj-prose th, .pj-prose td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--pj-border); color: var(--pj-text) !important; background: transparent !important; }
.pj-prose th { font-family: var(--pj-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--pj-text-mute) !important; font-weight: 500; }

/* Tarjetas de características */
.pj-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); gap: 14px; }
.pj-card { padding: 22px; border-radius: 14px; background: var(--pj-surface); border: 1px solid var(--pj-border); transition: border-color .18s ease, transform .18s ease; }
.pj-card:hover { border-color: color-mix(in oklab, var(--pj-accent) 50%, transparent); transform: translateY(-2px); }
.pj-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.pj-card-icon {
  width: 38px; height: 38px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  font-size: 19px; line-height: 1; background: var(--pj-accent-bg);
  border: 1px solid color-mix(in oklab, var(--pj-accent) 30%, transparent);
}
.pj-card-tag { font-family: var(--pj-mono); font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--pj-accent); }
.pj-card-title { font-family: var(--pj-display); font-size: 17px; font-weight: 600; line-height: 1.3; margin: 0 0 9px; color: var(--pj-text); }
.pj-card-body { font-size: 14px; line-height: 1.6; color: var(--pj-text-soft); margin: 0; text-wrap: pretty; }

/* Vídeo */
.pj-videos { display: grid; gap: 16px; }
.pj-video { border-radius: 16px; overflow: hidden; border: 1px solid var(--pj-border); background: var(--pj-bg-soft); }
.pj-video iframe { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; }

/* Timeline */
.pj-timeline { list-style: none; margin: 0; padding: 0; }
.pj-tl-row { display: grid; grid-template-columns: 96px 22px minmax(0,1fr); align-items: start; }
.pj-tl-when { padding: 2px 14px 26px 0; text-align: right; display: flex; flex-direction: column; gap: 3px; }
.pj-tl-version { font-family: var(--pj-mono); font-size: 13px; font-weight: 500; color: var(--pj-accent); }
.pj-tl-date { font-family: var(--pj-mono); font-size: 10.5px; color: var(--pj-text-mute); }
.pj-tl-line { position: relative; display: flex; justify-content: center; height: 100%; }
.pj-tl-line::before { content: ""; width: 1px; background: var(--pj-border-2); height: 100%; }
.pj-tl-line i { position: absolute; top: 5px; width: 9px; height: 9px; border-radius: 50%; background: var(--pj-accent); box-shadow: 0 0 0 4px var(--pj-bg); }
.pj-tl-row:last-child .pj-tl-line::before { height: 14px; }
.pj-tl-what { padding: 0 0 26px 16px; min-width: 0; }
.pj-tl-title { font-family: var(--pj-display); font-size: 16.5px; font-weight: 600; margin: 0 0 5px; color: var(--pj-text); }
.pj-tl-note { font-size: 14px; line-height: 1.6; color: var(--pj-text-soft); margin: 0; text-wrap: pretty; }

/* Descargas */
.pj-dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.pj-dl { display: flex; flex-direction: column; gap: 7px; padding: 20px; border-radius: 14px; border: 1px solid var(--pj-border); background: var(--pj-surface); transition: border-color .18s ease, transform .18s ease; }
.pj-dl:hover { text-decoration: none; border-color: color-mix(in oklab, var(--pj-accent) 50%, transparent); transform: translateY(-2px); }
.pj-dl-os { font-family: var(--pj-display); font-size: 16.5px; font-weight: 600; color: var(--pj-text); }
.pj-dl-via { font-size: 13.5px; line-height: 1.5; color: var(--pj-text-soft); }
.pj-dl-cta { font-family: var(--pj-mono); font-size: 11.5px; color: var(--pj-accent); margin-top: 4px; }

/* Noticias */
.pj-news { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.pj-news li { padding: 14px 18px; border-radius: 12px; border: 1px solid var(--pj-border); background: var(--pj-surface); font-size: 15px; }

/* ------------------------------ RAÍL DERECHO ------------------------------ */
.pj-rail { position: sticky; top: 24px; align-self: start; display: flex; flex-direction: column; gap: 20px; }
.pj-rail-label { font-family: var(--pj-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--pj-text-mute); margin: 0 0 14px; }

.pj-toc, .pj-meta, .pj-social { padding: 20px; border-radius: 14px; border: 1px solid var(--pj-border); background: var(--pj-surface); }
.pj-toc ul { list-style: none; margin: 0; padding: 0; }
.pj-toc li { border-left: 2px solid var(--pj-border); }
.pj-toc a { display: block; padding: 7px 0 7px 12px; font-size: 13.5px; line-height: 1.4; color: var(--pj-text-soft); }
.pj-toc a:hover { color: var(--pj-text); text-decoration: none; }
.pj-toc li:has(a.is-active) { border-left-color: var(--pj-accent); }
.pj-toc a.is-active { color: var(--pj-accent); }

.pj-meta-list { margin: 0; display: grid; gap: 14px; }
.pj-meta-list dt { font-family: var(--pj-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--pj-text-mute); font-weight: 400; margin-bottom: 4px; }
.pj-meta-list dd { margin: 0; font-size: 14px; line-height: 1.45; color: var(--pj-text); text-wrap: pretty; }
.pj-tech { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--pj-border); }
.pj-tech-tag { font-family: var(--pj-mono); font-size: 11px; padding: 5px 9px; border-radius: 7px; background: var(--pj-bg-soft); border: 1px solid var(--pj-border); color: var(--pj-text-soft); }
.pj-social-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ------------------------------ RELACIONADOS ------------------------------ */
.pj-related { padding: clamp(36px, 4.5vw, 52px) 0 clamp(44px, 5vw, 64px); border-top: 1px solid var(--pj-border); background: var(--pj-bg-soft); margin-top: clamp(48px, 6vw, 64px); }
.pj-related-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.pj-related-note { font-family: var(--pj-mono); font-size: 11px; color: var(--pj-text-mute); }
.pj-related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }

.pj-rel-card, .pj-related-card {
  display: flex; flex-direction: column; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--pj-border); background: var(--pj-surface);
  transition: border-color .18s ease, transform .18s ease; text-decoration: none !important;
}
.pj-rel-card:hover, .pj-related-card:hover {
  text-decoration: none !important; border-color: color-mix(in oklab, var(--pj-accent) 50%, transparent); transform: translateY(-2px);
}

.pj-rel-thumb, .pj-related-thumb {
  display: block; height: 160px; width: 100%; overflow: hidden; background: var(--pj-bg-soft); position: relative;
}
.pj-rel-thumb img, .pj-related-thumb img {
  width: 100% !important; height: 100% !important; object-fit: cover !important; object-position: center top !important; display: block !important; border-radius: 0 !important; border: none !important; margin: 0 !important;
}

.pj-rel-body, .pj-related-body { display: flex; flex-direction: column; flex: 1; padding: 18px; }
.pj-rel-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 8px; font-family: var(--pj-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; }
.pj-rel-cat, .pj-related-tag { color: var(--pj-accent); font-weight: 500; }
.pj-rel-year { color: var(--pj-text-mute); }
.pj-rel-title, .pj-related-title { display: block; font-family: var(--pj-display); font-size: 17px; font-weight: 600; line-height: 1.3; color: var(--pj-text); margin-bottom: 8px; }
.pj-rel-desc, .pj-related-desc { display: block; font-size: 13.5px; line-height: 1.55; color: var(--pj-text-soft); text-wrap: pretty; margin: 0; }

/* -------------------------------- RESPONSIVE ------------------------------- */
@media (max-width: 991px) {
  .pj-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .pj-main { grid-template-columns: 1fr; }
  .pj-rail { position: static; order: 2; }
  .pj-content { order: 1; }
}
@media (max-width: 575px) {
  .pj-stats { gap: 20px 28px; }
  .pj-btn { flex: 1 1 100%; justify-content: center; }
  .pj-tl-row { grid-template-columns: 76px 20px minmax(0,1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .pj * { transition: none !important; }
}