/* Diseño aprobado SDW. Mantener en theme/assets: se publica junto al CSS base. */
:root {
  --bg: #fff; --surface: #fff; --surface-2: #f5f8fa; --text: #182e3c; --muted: #637885; --border: #e3ebef; --border-strong: #c8d7df;
  --brand-soft: #eaf4f9; --display: var(--font); --head: 84px; --side: 264px; --toc: 208px;
}
:root[data-theme="dark"] {
  --bg: #111c24; --surface: #111c24; --surface-2: #17262f; --text: #e6f0f5; --muted: #a1b5c1; --border: #2b3e49; --border-strong: #476170;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111c24; --surface: #111c24; --surface-2: #17262f; --text: #e6f0f5; --muted: #a1b5c1; --border: #2b3e49; --border-strong: #476170;
  }
}
body { min-height: 100vh; display: flex; flex-direction: column; }
.shell { flex: 1; }
.top { gap: 20px; padding: 0 38px; background: var(--surface); backdrop-filter: none; }
.brand { font: 600 14px var(--font); gap: 18px; }
.brand .brand-logo { display: block; width: 72px; flex: none; }
.brand-logo img { display: block; width: 100%; height: auto; }
.brand-logo .logo-dark { display: none; }
:root[data-theme="dark"] .brand-logo .logo-light { display: none; }
:root[data-theme="dark"] .brand-logo .logo-dark { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .brand-logo .logo-light { display: none; }
  :root:not([data-theme="light"]) .brand-logo .logo-dark { display: block; }
}
.brand-name { border-left: 1px solid var(--border); padding-left: 18px; }
.switch { margin-left: 0; }
.switch summary { font-size: 13px; border-radius: 8px; padding: 7px 10px; }
.search-btn { min-width: 220px; font-size: 13px; border-color: var(--border); background: var(--surface-2); box-shadow: none; }
.theme-toggle { display: inline-flex; width: auto; min-width: 38px; gap: 8px; padding: 8px 11px; border: 1px solid var(--border); border-radius: 8px; font: 500 12px var(--font); color: var(--muted); }
.side { background: var(--surface-2); padding: 28px 16px 36px; }
.side-title { font-family: var(--font); font-size: 15px; gap: 12px; padding-bottom: 24px; }
.side-title .icon { color: var(--link); }
.side-group summary { font-size: 13px; padding: 10px 9px; border-radius: 7px; }
.side-group li a { font-size: 13px; padding: 7px 10px; }
.side-group li a[aria-current] { color: var(--link); }
.article h1, .hero h1 { letter-spacing: -.04em; }
.doc { padding-top: 36px; }
.card { box-shadow: none; border-radius: 14px; }
.card-icon { width: 38px; height: 38px; border-radius: 9px; color: var(--link); }
.foot { font-size: 12px; padding: 22px 38px; }
.foot > span { font-weight: 700; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--link); }
.is-home .switch, .is-home .search-btn, .is-home .menu-btn, .is-404 .menu-btn { display: none; }
.is-home .theme-toggle { margin-left: auto; }
.home-main { padding: 0 0 44px; }
.home-hero { text-align: center; padding: 58px 24px 44px; background: radial-gradient(ellipse at 50% 0%, var(--brand-soft), transparent 75%); }
.home-hero .eyebrow { display: flex; align-items: center; justify-content: center; gap: 8px; }
.eyebrow { color: var(--link); font-size: 11px; font-weight: 700; letter-spacing: .14em; }
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.home-hero h1 { margin: 16px 0 20px; font: 750 clamp(36px, 4.6vw, 58px)/1.14 var(--font); letter-spacing: -.045em; }
.home-hero .lead { font-size: 16px; line-height: 1.7; margin: 0; }
.guide-search { display: flex; align-items: center; gap: 12px; width: 100%; max-width: 620px; margin: 28px auto 0; padding: 10px 17px; border: 1px solid var(--border-strong); background: var(--surface); border-radius: 10px; box-shadow: 0 5px 18px rgba(15, 44, 60, .04); }
.guide-search:focus-within { border-color: var(--link); outline: 2px solid var(--ring); outline-offset: 2px; }
.guide-search input { flex: 1; width: 100%; min-width: 0; padding: 9px 0; border: 0; background: transparent; color: var(--text); font: 14px var(--font); }
.guide-search input:focus-visible { outline: none; }
.guide-search input::placeholder { color: var(--muted); opacity: 1; }
.guide-search button { display: grid; place-items: center; padding: 8px 0; flex: none; border: 0; background: transparent; color: var(--link); cursor: pointer; }
.guide-search kbd { flex: none; white-space: nowrap; background: var(--surface); font-size: 10px; border: 1px solid var(--border); border-radius: 4px; }
.quick-links { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px 18px; margin-top: 17px; font-size: 12px; }
.quick-links > span { color: var(--muted); }
.quick-links a { text-decoration-color: var(--border-strong); text-underline-offset: 4px; }
.home-content { max-width: 1200px; margin: 0 auto; padding: 0 48px; }
.product-banner { display: flex; align-items: center; gap: 22px; padding: 26px 28px; border: 1px solid var(--border); border-radius: 14px; }
.product-symbol { display: grid; place-items: center; width: 64px; height: 64px; background: var(--brand-soft); color: var(--link); border-radius: 14px; flex: none; }
.product-symbol .icon { width: 32px; height: 32px; }
.product-banner .eyebrow { display: block; font-size: 10px; letter-spacing: .12em; margin: 0 0 4px; }
.product-banner h2 { margin: 0 0 4px; font-size: 23px; font-weight: 700; letter-spacing: -.035em; }
.product-banner p { margin: 0; color: var(--muted); font-size: 13px; }
.product-banner .btn { display: inline-flex; align-items: center; gap: 18px; margin-left: auto; flex: none; font-size: 13px; padding: 12px 18px; border-radius: 8px; }
.btn:hover { background: color-mix(in srgb, var(--brand) 88%, #000); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 34px 0 18px; }
.section-heading h2 { font: 700 20px/1.4 var(--font); letter-spacing: -.035em; margin: 0; }
.section-heading > span { color: var(--muted); font-size: 12px; }
.profile-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.profile-card { display: flex; flex-direction: column; align-items: flex-start; padding: 23px 20px; border: 1px solid var(--border); border-radius: 14px; color: var(--text); text-decoration: none; background: var(--surface); transition: border-color .15s, background .15s; }
.profile-card:hover, .task-card:hover { border-color: var(--link); background: var(--surface-2); }
.profile-card .card-icon { margin: 0 0 19px; }
.profile-card h3 { font-size: 15px; font-weight: 700; letter-spacing: -.025em; margin: 0 0 10px; }
.profile-card p { margin: 0 0 22px; font-size: 13px; line-height: 1.75; color: var(--muted); }
.profile-card .card-link { padding: 0; gap: 9px; font-size: 12px; }
.profile-card .card-link .icon { width: 15px; height: 15px; }
.resource-links { display: flex; flex-wrap: wrap; gap: 14px 30px; margin-top: 28px; }
.resource-links a { display: inline-flex; align-items: center; gap: 9px; font-size: 12px; color: var(--muted); text-decoration: none; }
.resource-links a:hover { color: var(--link); }
.resource-links .icon { width: 17px; height: 17px; }
.resource-links .icon:last-child { width: 13px; height: 13px; }
.library-content { max-width: 940px; margin: 0 auto; padding: 32px 12px 0; }
.library-content .crumbs { font-size: 12px; margin-bottom: 38px; }
.library-hero h1 { font: 750 clamp(30px, 3.4vw, 42px)/1.2 var(--font); letter-spacing: -.045em; margin: 8px 0 15px; }
.library-hero .lead { font-size: 15px; line-height: 1.7; margin: 0; }
.library-content .guide-search { max-width: none; margin: 26px 0; background: var(--surface-2); box-shadow: none; }
.start-banner { display: flex; align-items: center; gap: 17px; padding: 22px; background: var(--brand-soft); border: 1px solid var(--border); border-radius: 14px; color: var(--text); text-decoration: none; }
.start-banner .card-icon { margin: 0; flex: none; }
.start-banner strong { display: block; font-size: 14px; }
.start-banner small { display: block; margin-top: 3px; font-size: 13px; color: var(--muted); }
.start-banner > .icon { margin-left: auto; color: var(--link); }
.task-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.task-card { display: flex; align-items: center; gap: 14px; padding: 22px 18px; border: 1px solid var(--border); border-radius: 14px; color: var(--text); text-decoration: none; }
.task-icon { color: var(--link); display: flex; flex: none; }
.task-card strong { display: block; font-size: 13px; }
.task-card small { display: block; margin-top: 4px; font-size: 12px; color: var(--muted); }
.task-card > .icon { margin-left: auto; width: 15px; height: 15px; color: var(--muted); }
.question-links { display: flex; flex-direction: column; }
.question-links a { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--border); font-size: 13px; color: var(--text); text-decoration: none; }
.question-links a:hover { color: var(--link); }
.question-links .icon { width: 16px; height: 16px; color: var(--muted); }
/* La portada conserva todos los sistemas publicados, también los nuevos. */
.system-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.system-card { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 17px; text-decoration: none; color: var(--text); align-items: start; }
.system-card:hover { border-color: var(--link); background: var(--surface-2); }
.system-card .product-symbol { width: 48px; height: 48px; border-radius: 11px; }
.system-card .product-symbol .icon { width: 25px; height: 25px; }
.system-card h3 { font-size: 19px; letter-spacing: -.035em; margin: 0 0 5px; }
.system-card .product-subtitle { display: block; font-size: 12px; color: var(--link); margin-bottom: 9px; }
.system-card p { font-size: 12px; }
.system-card .card-link { grid-column: 2; padding-top: 0; font-size: 12px; }
@media (max-width: 1100px) {
  .top { padding: 0 24px; gap: 14px; }
  .brand-name { display: none; }
  .is-home .brand-name { display: block; }
  .search-btn { min-width: 180px; }
  .theme-label { display: none; }
  .home-content { padding: 0 36px; }
  .product-banner { gap: 18px; padding: 24px; }
  .profile-card { padding: 21px 16px; }
  .profile-card h3 { font-size: 14px; }
  .profile-card p { font-size: 12px; }
  .task-card { gap: 10px; padding: 18px 14px; }
}
@media (max-width: 900px) {
  .top { padding: 0 20px; gap: 12px; }
  .search-btn { min-width: 0; }
  .side { padding-bottom: 60px; }
  .profile-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profile-card { padding: 24px; }
  .profile-card h3 { font-size: 16px; }
  .profile-card p { font-size: 14px; }
  .library-content { padding-top: 26px; }
}
@media (max-width: 600px) {
  :root { --head: 74px; }
  .top { gap: 8px; padding: 0 16px; }
  .brand { gap: 12px; font-size: 12px; }
  .brand .brand-logo { width: 58px; }
  .brand-name { padding-left: 12px; }
  .switch { display: none; }
  .theme-toggle { padding: 8px; }
  .home-hero { padding: 38px 22px 32px; }
  .home-hero h1 { margin: 17px 0; font-size: clamp(34px, 8.8vw, 46px); }
  .home-hero .lead { font-size: 14px; }
  .desktop-break { display: none; }
  .guide-search { margin-top: 23px; padding: 7px 13px; gap: 10px; }
  .guide-search input { font-size: 16px; }
  .guide-search kbd { display: none; }
  .quick-links { gap: 10px 16px; font-size: 11px; }
  .home-content { padding: 0 20px; }
  .product-banner { flex-wrap: wrap; gap: 12px; padding: 20px 16px; }
  .product-symbol { width: 44px; height: 44px; border-radius: 10px; }
  .product-symbol .icon { width: 25px; height: 25px; }
  .product-banner-copy { flex: 1; min-width: 0; }
  .product-banner .eyebrow { font-size: 9px; }
  .product-banner h2 { font-size: 20px; }
  .product-banner p { font-size: 12px; }
  .product-banner .btn { margin-left: 56px; font-size: 12px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 4px; margin: 28px 0 16px; }
  .section-heading h2 { font-size: 18px; }
  .section-heading > span { font-size: 11px; }
  .profile-grid { gap: 12px; }
  .profile-card { padding: 18px 14px; }
  .profile-card h3 { font-size: 13px; }
  .profile-card p { font-size: 12px; }
  .profile-card .card-link { font-size: 11px; }
  .resource-links { gap: 16px; }
  .resource-links a { font-size: 11px; }
  .foot { padding: 20px; font-size: 11px; }
  .library-content { padding: 24px 4px 0; }
  .library-content .crumbs { margin-bottom: 28px; }
  .task-grid, .system-grid { grid-template-columns: 1fr; }
  .system-card { grid-template-columns: 44px minmax(0, 1fr); }
  .system-card .product-symbol { width: 44px; height: 44px; }
  .task-card { padding: 20px 18px; }
  .start-banner { padding: 18px 14px; gap: 12px; }
  .start-banner small { font-size: 12px; }
  .start-banner strong { font-size: 13px; }
  .search-head input { min-width: 0; }
  .cards, .sections { grid-template-columns: minmax(0, 1fr); }
}
@media (pointer: coarse) {
  .quick-links a, .resource-links a { min-height: 44px; display: inline-flex; align-items: center; }
  .guide-search button { min-width: 28px; min-height: 44px; }
  .icon-btn { min-width: 44px; min-height: 44px; }
}
@media print {
  body { display: block; }
  .top, .side, .toc, .pager, .foot, .search-modal, .zoom-modal, .scrim { display: none !important; }
  .home-hero { background: none; padding-top: 0; }
}