:root {
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  --sf-blue: #0b72ff;
  --sf-primary: #4f46e5;
  --sf-primary-rgb: 11, 114, 255;
  --bs-link-color: #4f46e5;
  --bs-link-color-rgb: 79, 70, 229;
  --bs-link-hover-color: #084bb0;
  --bs-link-hover-color-rgb: 8, 75, 176;
  --bs-body-font-family: "Inter", sans-serif;
  --g1: rgba(11, 114, 255, 0.13);
  --g2: rgba(91, 61, 245, 0.07);
  --g3: rgba(18, 166, 122, 0.06);
}
[data-bs-theme="dark"] {
  --sf-blue: #5ea2ff;
  --bs-link-color: #4f46e5;
  --bs-link-color-rgb: 79, 70, 229;
  --bs-link-hover-color: #9cc4ff;
  --bs-link-hover-color-rgb: 156, 196, 255;
  --g1: rgba(11, 114, 255, 0.22);
  --g2: rgba(91, 61, 245, 0.12);
  --g3: rgba(18, 166, 122, 0.08);
}
html {
  scroll-padding-top: calc(84px + env(safe-area-inset-top, 0px));
}
body {
  background: radial-gradient( circle at 78% 20%, rgba(109, 93, 252, 0.13), transparent 30% ), radial-gradient( circle at 20% 100%, rgba(79, 70, 229, 0.07), transparent 28% ), #fff;
  background-repeat: no-repeat;
}
.btn-primary {
  --bs-btn-bg: #0b72ff;
  --bs-btn-border-color: #0b72ff;
  --bs-btn-hover-bg: #0a60d8;
  --bs-btn-hover-border-color: #0a60d8;
  --bs-btn-active-bg: #094fb0;
  --bs-btn-active-border-color: #094fb0;
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
}
.svg-inline--fa {
  display: inline-block;
  height: 1em;
  overflow: visible;
  vertical-align: -0.125em;
}
.sf-top {
  top: env(safe-area-inset-top, 0px);
  background: color-mix(in srgb, var(--bs-body-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  z-index: 1030;
}
.logo {
  height: 45px;
}
.sf-search {
  width: min(320px, 46vw);
}
#res {
  width: min(380px, 92vw);
  z-index: 1040;
  max-height: 60vh;
  overflow: auto;
}
.sf-sticky {
  padding: 1rem 0;
}
@media (min-width: 992px) {
  .sf-sticky {
    position: sticky;
    top: calc(64px + env(safe-area-inset-top, 0px));
    max-height: calc(100vh - 72px);
    overflow: auto;
    padding: 0 0.75rem 1.5rem 0;
  }
}
.sf-app {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  font-weight: 600;
  background: var(--bs-body-bg);
}
.pt-45{
	padding-top: 45px;
}
.sf-app img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}
.sf-g {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bs-secondary-color);
  margin: 1.1rem 0.5rem 0.3rem;
}
.sf-nav a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.6rem;
  border-radius: 0.6rem;
  color: var(--bs-body-color);
  text-decoration: none;
  font-size: 0.9rem;
}
.sf-nav a svg {
  color: var(--sf-blue);
  width: 1rem;
}
.sf-nav a:hover {
  background: var(--bs-tertiary-bg);
}
.sf-nav a.on {
  background: var(--sf-primary-bg-subtle);
  color: var(--bs-link-color);
  font-weight: 600;
}
article {
  display: none;
}
article.on {
  display: block;
}
article h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}
.sf-ic {
  color: var(--sf-blue);
  font-size: 1.6rem;
}
article h2 {
  font-size: 1.4rem;
  font-weight: 650;
  margin: 2.4rem 0 0.8rem;
}
article h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.4rem 0 0.4rem;
}
.lead {
  color: var(--bs-secondary-color);
  margin-bottom: 1.5rem;
}
.sf-fig {
  margin: 1.5rem 0;
  padding: 0.4rem;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  background: #fff;
}
.sf-fig img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.5rem;
}
.sf-fig figcaption {
  text-align: center;
  font-size: 0.8rem;
  color: #5b6078;
  padding: 0.4rem;
}
.sf-note {
  margin: 1.25rem 0;
  padding: 0.9rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--bs-warning-border-subtle);
  background: var(--bs-warning-bg-subtle);
  font-size: 0.95rem;
}
.sf-note.b {
  border-color: var(--sf-primary-border-subtle);
  background: var(--sf-primary-bg-subtle);
}
.sf-card {
  text-decoration: none;
  color: var(--bs-body-color);
  gap: 0.25rem;
}
.sf-card:hover {
  border-color: var(--sf-blue);
}
.sf-card svg {
  color: var(--sf-blue);
  font-size: 1.2rem;
}
.sf-card span,
.sf-card small {
  color: var(--bs-secondary-color);
  font-size: 0.88rem;
}
details {
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  padding: 0.8rem 1rem;
  margin: 0.6rem 0;
}
summary {
  font-weight: 600;
  cursor: pointer;
}
.sf-toc a {
  display: block;
  padding: 0.2rem 0 0.2rem 0.8rem;
  border-left: 2px solid var(--bs-border-color);
  color: var(--bs-secondary-color);
  text-decoration: none;
  font-size: 0.85rem;
}
.sf-toc a.on {
  border-color: var(--sf-blue);
  color: var(--sf-blue);
}
.sf-round {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 50% !important;
}
footer a {
  color: var(--bs-secondary-color);
  text-decoration: none;
  display: block;
  padding: 0.15rem 0;
}
footer a:hover {
  color: var(--sf-blue);
}
.sf-nav a i,
.sf-card i {
  color: var(--sf-blue);
}
.sf-nav a i {
  width: 1rem;
  text-align: center;
}
.sf-card i {
  font-size: 1.2rem;
}
.sf-skip {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 2000;
  background: var(--bs-body-bg);
  padding: 0.5rem 0.9rem;
  border-radius: 0.5rem;
  border: 1px solid var(--bs-border-color);
}
main:focus {
  outline: none;
}
mark {
  background: var(--bs-warning-bg-subtle);
  color: inherit;
  padding: 0 0.1em;
  border-radius: 3px;
}
#rel ul {
  padding-left: 1.2rem;
}
.sf-top-btn {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 1030;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  padding: 0;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}
@media print {
  header,
  .sf-sticky,
  footer,
  #pn,
  #cp,
  .sf-top-btn,
  .sf-skip {
    display: none !important;
  }
  .col-lg-9,
  .col-xl-6 {
    width: 100% !important;
  }
}

article ol {
  counter-reset: s;
  list-style: none;
  padding-left: 0;
}
article ol > li {
  counter-increment: s;
  position: relative;
  padding-left: 2.5rem;
  margin: 0.8rem 0;
}
article ol > li::before {
  content: counter(s);
  position: absolute;
  left: 0;
  top: -0.05rem;
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: var(--sf-primary-bg-subtle);
  color: var(--bs-link-color);
  font-weight: 600;
  font-size: 0.85rem;
  display: grid;
  place-items: center;
}
.sf-fig {
  padding: 0;
  border-radius: 0.9rem;
  overflow: hidden;
  box-shadow: 0 6px 24px rgba(16, 24, 40, 0.1);
}
.sf-fig img {
  border-radius: 0;
  cursor: zoom-in;
}
.sf-fig figcaption {
  background: var(--bs-tertiary-bg);
  border-top: 1px solid var(--bs-border-color);
  color: var(--bs-secondary-color);
  padding: 0.55rem;
}
.sf-note {
  border-left: 4px solid var(--bs-warning);
}
.sf-note.b {
  border-left-color: var(--sf-primary);
}
.sf-lb {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  cursor: zoom-out;
}
.sf-lb[hidden] {
  display: none;
}
.sf-lb img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 0.5rem;
  background: #fff;
}

details.sf-grp {
  border: 0;
  padding: 0;
  margin: 0.15rem 0;
  border-radius: 0;
}
.sf-grp > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  cursor: pointer;
  padding: 0.45rem 0.6rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--bs-secondary-color);
}
.sf-grp > summary::-webkit-details-marker {
  display: none;
}
.sf-grp > summary:hover {
  background: var(--bs-tertiary-bg);
}
.sf-grp > summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.6rem;
  transition: transform 0.15s;
}
.sf-grp[open] > summary::after {
  transform: rotate(180deg);
}
.sf-grp > a {
  margin-left: 0.3rem;
}
.sf-note {
  position: relative;
  padding-left: 2.7rem;
}
.sf-note.g {
  border-color: var(--bs-success-border-subtle);
  background: var(--bs-success-bg-subtle);
  border-left-color: var(--bs-success);
}
.sf-ni {
  position: absolute;
  left: 1rem;
  top: 1.05rem;
}
.sf-note .sf-ni {
  color: var(--bs-warning-text-emphasis);
}
.sf-note.b .sf-ni {
  color: var(--sf-primary-text-emphasis);
}
.sf-note.g .sf-ni {
  color: var(--bs-success-text-emphasis);
}
.sf-ph {
  box-shadow: none;
  border: 2px dashed var(--bs-border-color);
  background: var(--bs-tertiary-bg);
}
.sf-ph div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 2rem 1rem;
  text-align: center;
  color: var(--bs-secondary-color);
}
.sf-ph i {
  font-size: 1.8rem;
}
.sf-ph span {
  font-size: 0.88rem;
}
.sf-hero-search {
  margin: 1.5rem 0 0.5rem;
}
.sf-hero-search #res2 {
  z-index: 1040;
  max-height: 60vh;
  overflow: auto;
}
.sf-pop {
  padding-left: 1.1rem;
}
.sf-pop li {
  margin: 0.35rem 0;
}
#home .sf-card small {
  font-weight: 600;
  color: var(--sf-blue);
}
.is-home aside,
.is-home #cp {
  display: none !important;
}
@media (min-width: 1200px) {
  .is-home main {
    width: 75%;
  }
}
main {
  min-width: 0;
}
table {
  max-width: 100%;
}
pre,
code {
  overflow-wrap: anywhere;
}
@media (max-width: 575.98px) {
  .sf-top .ms-auto {
    flex: 1 1 auto;
    min-width: 0;
  }
  .sf-top .ms-auto > .position-relative {
    flex: 1 1 auto;
    min-width: 0;
  }
  .sf-search {
    width: 100%;
  }
  .sf-search input {
    min-width: 0;
  }
}

.sf-tg {
  font-size: 1.05rem;
  line-height: 1;
  border-radius: 50% !important;
  width: 36px;
  height: 36px;
  padding: 0 !important;
}
.sf-tg:hover {
  background: var(--bs-tertiary-bg);
}
.sf-grp > summary {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.5rem 0.6rem 0.3rem;
}
.sf-grp > summary:hover {
  background: none;
  color: var(--bs-body-color);
}
.sf-grp > summary::after {
  font-size: 0.55rem;
  opacity: 0.6;
}
.sf-grp + .sf-grp {
  margin-top: 0.5rem;
}
.sf-nav a {
  padding: 0.32rem 0.6rem;
}

.lead {
  font-size: 1.1rem;
}
.sf-card {
  transition: border-color 0.15s, box-shadow 0.15s;
}
.sf-card:hover {
  box-shadow: 0 4px 14px rgba(16, 24, 40, 0.08);
}
.sf-card .sf-ico {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.6rem;
  background: var(--sf-primary-bg-subtle);
  margin-bottom: 0.4rem;
}
.sf-card .sf-ico i {
  font-size: 1rem;
}
.sf-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
@media (max-width: 575.98px) {
  .sf-steps {
    grid-template-columns: 1fr;
  }
}
.sf-steps > div {
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  padding: 1rem;
  background: var(--bs-body-bg);
}
.sf-steps b {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--sf-blue);
  color: #fff;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.sf-steps h3 {
  font-size: 1rem;
  margin: 0 0 0.25rem;
}
.sf-steps p {
  margin: 0;
  color: var(--bs-secondary-color);
  font-size: 0.9rem;
}
[data-bs-theme="dark"] .sf-steps b {
  color: #0b1220;
}

.sf-fig.sf-ph {
  aspect-ratio: auto;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--bs-border-color);
  background: var(--bs-tertiary-bg);
  box-shadow: none;
}
.sf-fig.sf-ph::before {
  content: "";
  flex: none;
  height: 28px;
  background-color: var(--bs-body-bg);
  border-bottom: 1px solid var(--bs-border-color);
  background-image: radial-gradient(circle, #ff5f57 4px, transparent 5px),
    radial-gradient(circle, #febc2e 4px, transparent 5px),
    radial-gradient(circle, #28c840 4px, transparent 5px);
  background-size: 16px 28px;
  background-repeat: no-repeat;
  background-position: 12px 0, 28px 0, 44px 0;
}
.sf-ph div {
  flex: 1;
  justify-content: center;
  padding: 0;
}
.sf-ph b {
  color: var(--bs-body-color);
}
.sf-feat {
  overflow: hidden;
}
.sf-feat img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-bottom: 1px solid var(--bs-border-color);
}
.sf-feat .p-3 span {
  display: block;
  margin-top: 0.15rem;
}
details[open] {
  background: var(--bs-tertiary-bg);
}
.table > tbody > tr > th {
  font-weight: 600;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 2px solid var(--sf-blue);
  outline-offset: 2px;
}

:root {
  --g2: rgba(11, 114, 255, 0.08);
}
[data-bs-theme="dark"] {
  --g2: rgba(11, 114, 255, 0.14);
}
body::before {
  content: "";
  position: fixed;
  top: -150px;
  right: -130px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: rgba(11, 114, 255, 0.26);
  filter: blur(100px);
  pointer-events: none;
  z-index: -1;
}
[data-bs-theme="dark"] body::before {
  background: rgba(70, 140, 255, 0.3);
}
@media (max-width: 575.98px) {
  body::before {
    width: 300px;
    height: 300px;
    top: -110px;
    right: -100px;
  }
}
@media print {
  body::before {
    display: none;
  }
}

/* ===== SmartFind Docs: Apple HIG layer. Type scale, contrast-checked color, 44px targets, restrained motion, materials. ===== */
:root {
  --sf-blue: #4f46e5;
  --ease: cubic-bezier(0.2, 0, 0, 1);
  --d: 0.2s;
  --r1: 10px;
  --r2: 14px;
  --r3: 20px;
  --bs-body-font-family: "Inter", sans-serif;
  --bs-body-font-size: 1.0625rem;
  --bs-body-line-height: 1.5;
  --bs-body-bg: #fbfbfd;
  --bs-body-bg-rgb: 251, 251, 253;
  --bs-body-color: #1d1d1f;
  --bs-body-color-rgb: 29, 29, 31;
  --bs-secondary-color: rgba(29, 29, 31, 0.68);
  --bs-tertiary-bg: #f5f5f7;
  --bs-tertiary-bg-rgb: 245, 245, 247;
  --bs-border-color: rgba(0, 0, 0, 0.12);
  --sf-primary-bg-subtle: rgba(79, 70, 229, 0.1);
  --bs-link-color: #4f46e5;
  --bs-link-color-rgb: 79, 70, 229;
  --bs-link-hover-color: #4f46e5;
  --bs-link-hover-color-rgb: 79, 70, 229;
}
[data-bs-theme="dark"] {
  --sf-blue: #4da3ff;
  --bs-body-bg: #000;
  --bs-body-bg-rgb: 0, 0, 0;
  --bs-body-color: #f5f5f7;
  --bs-body-color-rgb: 245, 245, 247;
  --bs-secondary-color: rgba(245, 245, 247, 0.68);
  --bs-tertiary-bg: #1c1c1e;
  --bs-tertiary-bg-rgb: 28, 28, 30;
  --bs-border-color: rgba(255, 255, 255, 0.16);
  --sf-primary-bg-subtle: rgba(77, 163, 255, 0.18);
  --bs-link-color: #4da3ff;
  --bs-link-color-rgb: 77, 163, 255;
  --bs-link-hover-color: #8ec5ff;
  --bs-link-hover-color-rgb: 142, 197, 255;
}
body {
  background: var(--bs-body-bg);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}
body::before {
  display: none;
}

/* type: Apple text styles in rem, so text follows the browser's text size (Large Title 34, Title 1 28, Title 3 20, Body 17, Subhead 15, Footnote 13) */
article h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
article h1 .sf-ic {
  display: grid;
  place-items: center;
  flex: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--r2);
  background: var(--sf-primary-bg-subtle);
  font-size: 1.1rem;
}
article h2 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 2.75rem 0 0.75rem;
}
article h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
}
.lead {
  font-size: 1.25rem;
  line-height: 1.4;
  max-width: 40rem;
}
b,
strong,
th {
  font-weight: 600;
}
article p,
article li {
  max-width: 68ch;
}
.sf-card span,
.sf-card small,
.sf-steps p,
.sf-nav a,
.sf-toc a,
.sf-feat span {
  font-size: 0.9375rem;
}
.sf-grp > summary,
figcaption,
#kb {
  font-size: 0.8125rem;
  letter-spacing: 0;
  text-transform: none;
}

/* focus and one accent */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 3px solid var(--bs-link-color);
  outline-offset: 2px;
}
.btn-primary {
  --bs-btn-color: #fff;
  --bs-btn-hover-color: var(--sf-primary);
  --bs-btn-active-color: var(--sf-primary);
  --bs-btn-bg: var(--sf-primary);
  --bs-btn-border-color: var(--sf-primary);
  --bs-btn-hover-bg: #fff;
  --bs-btn-hover-border-color: var(--sf-primary);
  --bs-btn-active-bg: #fff;
  --bs-btn-active-border-color: var(--sf-primary);
}
[data-bs-theme="dark"] .btn-primary {
  --bs-btn-color: #000;
  --bs-btn-hover-color: #000;
  --bs-btn-active-color: #000;
  --bs-btn-bg: #4da3ff;
  --bs-btn-border-color: #4da3ff;
  --bs-btn-hover-bg: #7ab8ff;
  --bs-btn-hover-border-color: #7ab8ff;
  --bs-btn-active-bg: #a3cdff;
  --bs-btn-active-border-color: #a3cdff;
}
.btn-outline-secondary {
  --bs-btn-color: var(--bs-body-color);
  --bs-btn-border-color: var(--bs-border-color);
  --bs-btn-hover-bg: var(--bs-tertiary-bg);
  --bs-btn-hover-color: var(--bs-body-color);
  --bs-btn-hover-border-color: var(--bs-border-color);
}
.btn {
  --bs-btn-border-radius: 999px;
  --bs-btn-font-weight: 600;
  transition: background-color var(--d), box-shadow var(--d), color var(--d);
}
.btn:not(.btn-sm) {
  --bs-btn-padding-x: 1.1rem;
}
.btn:active {
  transform: scale(0.97);
}
.sf-steps b {
  background: #4f46e5;
}

/* header: navigation layer is the only frosted surface */
.sf-top {
  background: color-mix(in srgb, var(--bs-body-bg) 74%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}
.sf-top.border-bottom {
  transition: border-color var(--d);
}
.sf-top.is-scrolled.border-bottom {
  border-bottom-color: var(--bs-border-color) !important;
}
.sf-search,
.sf-hero-search .input-group {
  border-radius: 999px;
  background: var(--bs-tertiary-bg);
  transition: box-shadow var(--d), background var(--d);
  border: 1px solid var(--bs-border-color);
}
.sf-search .input-group-text,
.sf-search .form-control,
.sf-hero-search .input-group-text,
.sf-hero-search .form-control {
  background: transparent;
  border: 0;
  box-shadow: none;
}
.sf-search .input-group-text,
.sf-hero-search .input-group-text {
  color: var(--bs-secondary-color);
}
.sf-search .form-control:focus-visible,
.sf-hero-search .form-control:focus-visible {
  outline: 0;
}
.sf-search:focus-within,
.sf-hero-search .input-group:focus-within {
  background: var(--bs-body-bg);
  border-color: var(--sf-primary);
  box-shadow: none;
}
.sf-hero-search {
  max-width: 640px;
  margin: 2rem auto 0;
  text-align: left;
}
.sf-hero-search .form-control-lg {
  font-size: 1.0625rem;
  padding: 0.9rem 0.5rem;
}
#res,
#res2 {
  border: 0;
  border-radius: var(--r3);
  overflow: auto;
  padding: 0.4rem;
  transform-origin: 50% 0;
  background: color-mix(in srgb, var(--bs-body-bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 12px 40px -8px rgba(0, 0, 0, 0.28),
    0 0 0 1px var(--bs-border-color) !important;
}
#res:not(.d-none),
#res2:not(.d-none) {
  animation: sf-pop 0.15s var(--ease);
}
#res a,
#res2 a {
  background: transparent;
  border: 0;
  border-radius: var(--r1);
}
#res a:hover,
#res2 a:hover,
#res a:focus,
#res2 a:focus {
  background: var(--sf-primary-bg-subtle);
}

/* sidebar: one selection glide, static right rail */
.sf-app {
  border: 0;
  background: var(--bs-tertiary-bg);
  border-radius: var(--r2);
}
.sf-nav {
  position: relative;
}
.sf-pill {
  position: absolute;
  left: 0;
  top: 0;
  border-radius: var(--r1);
  background: var(--sf-primary-bg-subtle);
  pointer-events: none;
  opacity: 0;
  transition: transform var(--d) var(--ease), width var(--d) var(--ease),
    height var(--d) var(--ease), opacity var(--d);
}
.sf-nav a {
  position: relative;
  z-index: 1;
  border-radius: var(--r1);
  padding: 0.4rem 0.75rem;
  color: var(--bs-body-color);
}
.sf-nav a:hover {
  background: var(--bs-tertiary-bg);
}
.sf-nav a.on {
  background: none;
  color: var(--bs-link-color);
  font-weight: 600;
}
.sf-nav a i,
.sf-nav a svg {
  color: inherit;
}
.sf-grp > summary {
  font-weight: 600;
  color: var(--bs-secondary-color);
}
.sf-toc #toc {
  border-left: 1px solid var(--bs-border-color);
}
.sf-toc a {
  border-left: 2px solid transparent;
  margin-left: -1px;
  padding: 0.3rem 0 0.3rem 1rem;
  color: var(--bs-secondary-color);
}
.sf-toc a.on {
  border-left-color: var(--bs-link-color);
  color: var(--bs-link-color);
  font-weight: 600;
}

/* surfaces: one radius scale, hairlines instead of heavy shadows */
.card {
  --bs-card-bg: var(--bs-tertiary-bg);
  border: 0;
  border-radius: var(--r3);
  background: var(--bs-tertiary-bg);
}
.sf-card {
  transition: background var(--d), box-shadow var(--d);
}
.sf-card:hover {
  background: var(--bs-body-bg);
  box-shadow: 0 0 0 1px var(--bs-border-color),
    0 8px 24px -12px rgba(0, 0, 0, 0.25);
}
.sf-card:active {
  transform: scale(0.985);
}
.sf-card .sf-ico {
  border-radius: var(--r2);
}
.sf-feat img {
  border: 0;
}
.sf-fig {
  margin: 2rem 0;
  border: 0;
  border-radius: var(--r3);
  box-shadow: 0 0 0 1px var(--bs-border-color),
    0 8px 24px -12px rgba(0, 0, 0, 0.25);
}
.sf-fig figcaption {
  border-top: 0;
  padding: 0.65rem 1rem;
  color: var(--bs-secondary-color);
}
.sf-fig.sf-ph {
  box-shadow: 0 0 0 1px var(--bs-border-color);
}
.sf-note {
  border: 0;
  border-radius: var(--r2);
}
.sf-steps > div {
  border: 0;
  background: var(--bs-tertiary-bg);
  border-radius: var(--r3);
  padding: 1.25rem;
}
.table-responsive {
  border-radius: var(--r2);
  background: var(--bs-tertiary-bg);
  padding: 0.5rem 1rem;
}
.table {
  --bs-table-bg: transparent;
  --bs-table-border-color: var(--bs-border-color);
  margin: 0;
}
article details {
  border: 0;
  border-radius: var(--r2);
  background: var(--bs-tertiary-bg);
  padding: 1rem 1.25rem;
  interpolate-size: allow-keywords;
}
article summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-weight: 600;
}
article summary::-webkit-details-marker {
  display: none;
}
article summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
  transition: transform var(--d) var(--ease);
}
article details[open] > summary::after {
  transform: rotate(45deg);
}
article details::details-content {
  height: 0;
  overflow: clip;
  transition: height var(--d) var(--ease),
    content-visibility var(--d) allow-discrete;
}
article details[open]::details-content {
  height: auto;
}
/* Sidebar scrollbar: hidden by default */
.sf-sticky {
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
}

.sf-sticky::-webkit-scrollbar {
    width: 3px;
}

.sf-sticky::-webkit-scrollbar-track {
    background: transparent;
}

.sf-sticky::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 10px;
}

/* Show a tiny scrollbar on hover */
.sf-sticky:hover {
    scrollbar-color: #b8b8b8 transparent;
}

.sf-sticky:hover::-webkit-scrollbar-thumb {
    background: #b8b8b8;
}

.sf-sticky::-webkit-scrollbar-thumb:hover {
    background: #888;
}
footer {
  background: var(--bs-tertiary-bg);
  margin-top: 5rem;
  border-top:1px solid var(--bs-border-color) !important;
  padding: 40px 0;
}
footer h3 {
  font-size: 18px;
  font-weight: bold;
}
.copyright p {
  margin: 0;
  padding: 10px 0;
  font-size: 14px;
}
.copyright p a{
  color: var(--bs-body-color);
  text-decoration: none;
}
.copyright p a:hover{
  text-decoration: underline;
  color: var(--sf-primary);
}
.sf-lb {
  background: rgba(0, 0, 0, 0.8);
}
.sf-lb:not([hidden]) {
  animation: sf-fade var(--d);
}

/* home: static soft glow, no looping motion */
#home {
  position: relative;
  padding-top: clamp(0.5rem, 3vw, 2.5rem);
}
#home::before {
  content: "";
  position: absolute;
  inset: -80px -10% auto;
  height: 380px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(
    45% 60% at 50% 35%,
    rgba(79, 70, 229, 0.14),
    transparent 72%
  );
}
#home h1 {
  justify-content: center;
  font-size: clamp(2.125rem, 6vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 1rem;
}
#home .lead {
  margin-inline: auto;
}
#home h2 {
  margin-top: 3.5rem;
}
#home .card,
#home .sf-pop {
  text-align: left;
}
article.on {
  animation: sf-fade 0.18s var(--ease);
}
@keyframes sf-fade {
  from {
    opacity: 0;
  }
}
@keyframes sf-pop {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
}

/* targets: 44px on touch, compact with a pointer */
@media (pointer: coarse) {
  .sf-nav a,
  .sf-grp > summary,
  .btn,
  article summary,
  #res a,
  #res2 a,
  .sf-search .form-control,
  .sf-search .input-group-text {
    min-height: 44px;
  }
  #res a,
  #res2 a {
    padding-block: 0.75rem;
  }
  .sf-toc a {
    padding-block: 0.75rem;
  }
  .sf-tg,
  .sf-round {
    width: 44px;
    height: 44px;
  }
  footer a {
    padding: 0.75rem 0;
  }
  #crumb a {
    display: inline-block;
    padding: 0.65rem 0.15rem;
  }
}
@media (pointer: fine) {
  .sf-tg,
  .sf-round {
    width: 36px;
    height: 36px;
  }
}

/* user settings: Increase Contrast, Reduce Transparency, Reduce Motion */
@media (prefers-contrast: more) {
  :root {
    --bs-secondary-color: #3a3a3c;
    --bs-border-color: rgba(0, 0, 0, 0.5);
  }
  [data-bs-theme="dark"] {
    --bs-secondary-color: #e5e5ea;
    --bs-border-color: rgba(255, 255, 255, 0.55);
  }
  .card {
    box-shadow: 0 0 0 1px var(--bs-border-color);
  }
}
@media (prefers-reduced-transparency: reduce) {
  .sf-top,
  #res,
  #res2 {
    background: var(--bs-body-bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  ::before,
  ::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}
@media print {
  #home::before {
    display: none;
  }
}