.karl-shell { font-family: "Poppins", system-ui, sans-serif; line-height: 1.55; }
.karl-shell *, .karl-shell *::before, .karl-shell *::after { box-sizing: border-box; }
.karl-shell img { max-width: 100%; height: auto; display: block; }
.karl-shell p, .karl-shell h2 { margin: 0; }
.karl-shell button { font: inherit; cursor: pointer; }
.karl-shell [hidden] { display: none !important; }
.karl-shell :focus-visible { outline: 3px solid #1f6fe0; outline-offset: 2px; }
.karl-shell {
  --red: #e3262f;
  --yellow: #ffc72c;
  --blue: #1f6fe0;
  --green: #2e9e44;
  --orange: #f07c1c;
  --purple: #7a4fd0;
  --navy: #14305c;
  --navy-deep: #0c1f3f;
  --ink: #1b2436;
  --muted: #5a6477;
  --line: #e2e8f1;
  --soft: #eef3fb;
  --page: #f5f7fb;
  --radius: 12px;
  --wide: 1200px;
  --gutter: 20px;
  --font: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --marker: "Permanent Marker", "Comic Sans MS", cursive;
  --shadow: 0 2px 6px rgba(20, 48, 92, .06), 0 8px 24px rgba(20, 48, 92, .06);
  --shadow-hover: 0 4px 10px rgba(20, 48, 92, .08), 0 16px 40px rgba(20, 48, 92, .12);
  --swoosh: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 14' preserveAspectRatio='none'%3E%3Cpath d='M3 10C55 3 130 2 197 6' stroke='%23ffc72c' stroke-width='6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
.karl-shell .wrap { width: 100%; max-width: calc(var(--wide) + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }
.karl-shell .skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: #fff; padding: 8px 12px; border-radius: 8px; }
.karl-shell .skip:focus { left: 8px; }

.karl-shell .proto-note { background: var(--navy-deep); color: #dce7f8; text-align: center; font-size: 13px; padding: 6px 12px; }
.karl-shell .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; border: 0; border-radius: 999px; font-weight: 700; text-decoration: none; transition: transform .15s, box-shadow .15s; }
.karl-shell .btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.karl-shell .btn-red { background: var(--red); color: #fff; }
.karl-shell .btn-blue { background: var(--blue); color: #fff; }
.karl-shell .brand-band { background: #fff; }
.karl-shell .brand-row { display: flex; align-items: flex-end; justify-content: space-between; gap: clamp(10px, 2vw, 24px); padding-top: 10px; }
.karl-shell .brand-band .logo { align-self: center; flex: none; }
.karl-shell .brand-band .logo img { width: clamp(104px, 15vw, 190px); }
.karl-shell .brand-tag { align-self: center; flex: 0 1 290px; min-width: 0; font-family: var(--marker); font-size: clamp(13px, 1.9vw, 19px); line-height: 1.3; color: var(--navy); }
.karl-shell .tag-short { display: none; }
.karl-shell .brand-karl { flex: none; width: clamp(100px, 16.5vw, 208px); }
.karl-shell .brand-callout { align-self: center; flex: 0 1 220px; min-width: 0; font-family: var(--marker); font-size: clamp(13px, 1.9vw, 19px); line-height: 1.3; color: var(--navy); text-decoration: none; transform: rotate(-3deg); }
.karl-shell .site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.karl-shell .header-row { display: flex; align-items: center; gap: 20px; min-height: 64px; }
.karl-shell .primary-nav { display: flex; gap: 4px; margin-right: auto; }
.karl-shell .primary-nav a { padding: 8px 11px; border-radius: 8px; font-weight: 600; font-size: 15px; color: var(--navy); text-decoration: none; white-space: nowrap; }
.karl-shell .primary-nav a:hover { background: #fff; }
.karl-shell .header-actions { display: flex; align-items: center; gap: 12px; }
.karl-shell .icon-btn { width: 44px; height: 44px; display: grid; place-items: center; background: #fff; border: 0; border-radius: 50%; }
.karl-shell .icon-btn svg { width: 22px; height: 22px; fill: none; stroke: var(--navy); stroke-width: 2.4; stroke-linecap: round; }
.karl-shell .btn-join { font-family: var(--marker); font-weight: 400; font-size: 18px; letter-spacing: .5px; padding: 8px 24px; }
.karl-shell .btn-login { font-family: var(--marker); font-weight: 400; font-size: 18px; letter-spacing: .5px; padding: 8px 20px; white-space: nowrap; }
.karl-shell .nav-toggle { display: none; align-items: center; gap: 8px; min-height: 44px; padding: 0 12px; background: #fff; color: var(--navy); border: 0; border-radius: 10px; font-weight: 600; }
.karl-shell .bars, .karl-shell .bars::before, .karl-shell .bars::after { display: block; width: 18px; height: 2px; background: var(--navy); border-radius: 2px; }
.karl-shell .bars { position: relative; }
.karl-shell .bars::before, .karl-shell .bars::after { content: ""; position: absolute; left: 0; }
.karl-shell .bars::before { top: -6px; }
.karl-shell .bars::after { top: 6px; }
.karl-shell .swoosh { display: inline-block; padding-bottom: 10px; background: var(--swoosh) bottom / 100% 12px no-repeat; }
.karl-shell .site-footer { background: var(--navy-deep); color: #dce7f8; }
.karl-shell .footer-row { display: grid; grid-template-columns: 170px 1.2fr 1.5fr auto; gap: 28px; align-items: center; padding-top: 34px; padding-bottom: 26px; }
.karl-shell .footer-logo { width: 170px; }
.karl-shell .mission h2 { font-family: var(--marker); font-weight: 400; font-size: 22px; color: #fff; }
.karl-shell .mission .tag { margin-top: 6px; color: var(--yellow); font-weight: 600; }
.karl-shell .site-footer nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 20px; }
.karl-shell .site-footer nav a { padding: 2px 0; font-size: 14.5px; text-decoration: none; color: #fff; }
.karl-shell .site-footer nav a:hover { text-decoration: underline; }
.karl-shell .copyright { padding: 12px var(--gutter); text-align: center; font-size: 13px; border-top: 1px solid rgba(255, 255, 255, .14); }
.karl-shell .util-bar { color: #fff; background: var(--navy); }
.karl-shell .util-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 40px; }
.karl-shell .util-tag { font-family: var(--marker); font-size: 15px; color: var(--yellow); }
.karl-shell .util-row nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 2px 18px; }
.karl-shell .util-row nav a { white-space: nowrap; font-size: 14px; font-weight: 600; color: #fff; text-decoration: none; }
.karl-shell .util-row nav a:hover { text-decoration: underline; }
.karl-shell .proto-note { background: #fff4dc; color: var(--navy-deep); font-weight: 600; }
.karl-shell .ad-slot { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.karl-shell .ad-slot { width: 100%; min-width: 0; }
.karl-shell .ad-slot a { display: block; max-width: 100%; }
.karl-shell .ad-slot img { max-width: 100%; height: auto; border-radius: 6px; }
.karl-shell .ad-label { font-size: 11px; letter-spacing: .4px; text-transform: uppercase; color: var(--muted); }
.karl-shell .ad-wrap { padding-block: 24px; }
.karl-shell .ad-rail .ad-slot + .ad-slot .ad-label { display: none; }
.karl-shell .idea-download .btn { min-height: 38px; padding: 5px 14px; font-size: 14px; }
.karl-shell .mk-panel > .btn, .karl-shell .mk-panel > button.btn { align-self: flex-start; }
.karl-shell .join-card .btn { align-self: stretch; margin-top: 8px; justify-content: center; text-align: center; }
.karl-shell .nav-drop { position: relative; }
.karl-shell .nav-drop > a { display: block; }
.karl-shell .nav-drop > a::after { content: " \25BE"; font-size: 12px; }
.karl-shell .nav-sub { display: none; position: absolute; z-index: 30; top: 100%; left: 0; min-width: 180px; padding: 6px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-hover); }
.karl-shell .nav-drop:hover .nav-sub, .karl-shell .nav-drop:focus-within .nav-sub { display: block; }
.karl-shell .nav-sub a { display: block; }
.karl-shell .store-side .btn:disabled { opacity: .55; cursor: default; transform: none; box-shadow: none; }
.karl-shell .pod-player .btn { margin-top: 6px; }
.karl-shell .bs-pager .btn:disabled { opacity: .4; cursor: default; transform: none; box-shadow: none; }
.karl-shell .bs-linkbar .btn { min-height: 38px; padding: 6px 14px; font-size: 14px; }
.karl-shell .ps-actions .btn { min-height: 40px; padding: 6px 16px; font-size: 14px; }
.karl-shell .ps-add .btn { min-height: 40px; padding: 6px 16px; font-size: 14px; }
@media (max-width: 1120px) {
  .karl-shell .primary-nav a { padding: 8px; font-size: 14px; }
  .karl-shell .footer-row { grid-template-columns: 170px 1fr auto; }
  .karl-shell .site-footer .btn { order: 3; }
  .karl-shell .site-footer nav { order: 4; grid-column: 1 / -1; grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 820px) {
  .karl-shell { --gutter: 16px; }
  .karl-shell .header-row { flex-wrap: wrap; gap: 10px; min-height: 60px; }
  .karl-shell .nav-toggle { display: inline-flex; }
  .karl-shell .header-actions { margin-left: auto; }
  .karl-shell .header-actions { gap: 8px; }
  .karl-shell .btn-join, .karl-shell .btn-login { min-height: 40px; padding: 6px 14px; font-size: 16px; }
  .karl-shell .primary-nav { display: none; order: 5; flex-basis: 100%; flex-direction: column; margin: 0 0 10px; }
  .karl-shell .primary-nav.open { display: flex; }
  .karl-shell .nav-sub { display: block; position: static; min-width: 0; padding: 0 0 0 14px; background: none; border: 0; box-shadow: none; }
  .karl-shell .nav-drop > a::after { content: ""; }
  .karl-shell .primary-nav a { padding: 12px; font-size: 16px; }
  .karl-shell .footer-row { grid-template-columns: 1fr; }
  .karl-shell .site-footer .btn { justify-self: start; }
  .karl-shell .site-footer nav { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .karl-shell .brand-callout { display: none; }
  .karl-shell .ad-rail .ad-slot { width: auto; }
  .karl-shell .util-tag { font-size: 13px; }
}

@media (max-width: 460px) {
  .karl-shell .tag-long { display: none; }
  .karl-shell .tag-short { display: inline; }
}
.karl-shell .copyright { position: relative; }
.karl-shell .admin-link { position: absolute; top: 50%; right: var(--gutter); transform: translateY(-50%); color: #fff; font-weight: 600; }
@media (max-width: 980px) {
  .karl-shell .admin-link { position: static; display: block; margin-top: 4px; transform: none; }
}
.karl-shell .share-actions .btn { min-height: 40px; padding: 6px 16px; font-size: 14px; }
.karl-shell .copyright a:not(.admin-link) { color: #fff; }
/* Hand-off item 20: Log Out in the small print, styled as one of its links. Admin sits
   alone at the right edge (staff only) with room so it never runs into Log Out. */
.karl-shell .footer-logout { display: inline; margin: 0; }
.karl-shell .footer-logout button { padding: 0; border: 0; background: none; cursor: pointer; font: inherit; color: #fff; text-decoration: underline; }
.karl-shell .copyright { padding-inline: calc(var(--gutter) + 64px); }
@media (max-width: 980px) { .karl-shell .copyright { padding-inline: var(--gutter); } }
.karl-shell .karl-preview-notice { background: #fff4d9; padding-block: 8px; }
.karl-shell .site-header { position: relative; }
.karl-shell-navigation { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 25; }
.karl-shell .primary-nav a[aria-current="page"] { background: #fff; }
.karl-shell .footer-social { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 10px; padding-block: 4px 18px; }
.karl-shell .footer-social-label { font-weight: 700; color: #fff; }
.karl-shell .footer-social-more { color: var(--yellow); font-weight: 700; }
.karl-shell .social-icon { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: #fff; color: var(--navy); }
.karl-shell .social-icon svg { width: 22px; height: 22px; }
.karl-feedback { padding-bottom: 68px; }
.karl-feedback > button { position: fixed; right: max(16px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); z-index: 30; background: var(--yellow); color: var(--navy); }
.karl-feedback dialog { width: min(460px, calc(100% - 32px)); padding: 24px; border: 0; border-radius: 16px; background: #fff; color: var(--navy); }
.karl-feedback dialog::backdrop { background: rgb(12 31 63 / 60%); }
.karl-feedback form { display: grid; gap: 10px; }
.karl-feedback textarea, .karl-feedback select { padding: 8px; font: inherit; }
.karl-feedback-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.karl-feedback-confirmation { color: #18713d; }
@media (max-width: 820px) {
  .karl-shell .primary-nav.open { max-height: calc(100dvh - 72px); overflow-y: auto; }
}
@media (max-width: 380px) {
  .karl-shell .nav-toggle { padding-inline: 8px; }
  .karl-shell .header-actions { gap: 4px; }
  .karl-shell .btn-join, .karl-shell .btn-login { padding-inline: 10px; }
}
.karl-shell .lib-hero {
  padding-block: 40px;
  color: #fff;
  background: linear-gradient(90deg, rgba(12, 31, 63, .9), rgba(12, 31, 63, .62)), url("hero.jpg") center / cover no-repeat, var(--navy-deep);
}
.karl-shell .lib-hero h1 {
  margin: 0;
  color: #fff;
  font-family: var(--marker);
  font-weight: 400;
  font-size: clamp(36px, 4.6vw, 52px);
  line-height: 1.15;
}
.karl-shell .lib-intro { margin-top: 8px; font-size: 18px; }

.karl-stage-app {
  --surface-sunk: #f5f7fb;
  --border-soft: #e2e8f1;
  --text-strong: #14305c;
  --text-body: #1b2436;
  --text-muted: #5a6477;
  --action-primary: #14305c;
  --action-primary-hover: #0c1f3f;
  --font-body: "Poppins", system-ui, sans-serif;
  font-family: var(--font-body);
}
.karl-stage-app .kd-app-nav-link.is-active { background: #eef3fb; color: #14305c; }
.karl-lab-toolbar .kd-app-brand,
.karl-lab-toolbar .kd-app-nav { display: none; }
.karl-lab-toolbar .kd-app-bar { height: auto; min-height: 54px; padding-block: 6px; }
.kd-app-body--railed:has(.karl-lab-toolbar) .kd-app-rail {
  top: var(--karl-rail-top, 325px);
  max-height: calc(100vh - var(--karl-rail-top, 325px) - 12px);
}
.kd-app-body--railed .karl-shell-top,
.kd-app-body--railed .karl-shell-navigation { margin-right: -204px; }
@media (max-width: 1199px) {
  .kd-app-body--railed .karl-shell-top,
  .kd-app-body--railed .karl-shell-navigation { margin-right: 0; }
}

@media print {
  .karl-shell { display: none !important; }
}

/* Top menu pop-ups: a short description on hover or keyboard focus. Not shown in the phone menu. */
@media (hover: hover) and (min-width: 821px) {
  .karl-shell .primary-nav a[data-tip] { position: relative; }
  .karl-shell .primary-nav a[data-tip]::after { content: attr(data-tip); position: absolute; z-index: 40; top: calc(100% + 10px); left: 0; width: max-content; max-width: 240px; padding: 8px 12px; background: var(--navy-deep); color: #fff; font-size: 13.5px; font-weight: 500; line-height: 1.35; white-space: normal; border-radius: 8px; box-shadow: 0 10px 24px rgba(12, 31, 63, .18); opacity: 0; visibility: hidden; transform: translateY(-4px); transition: opacity .15s, transform .15s, visibility 0s .15s; pointer-events: none; }
  .karl-shell .primary-nav a[data-tip]::before { content: ""; position: absolute; z-index: 41; top: calc(100% + 4px); left: 18px; border: 6px solid transparent; border-top: 0; border-bottom-color: var(--navy-deep); opacity: 0; visibility: hidden; transition: opacity .15s, visibility 0s .15s; pointer-events: none; }
  .karl-shell .primary-nav a[data-tip]:hover::after, .karl-shell .primary-nav a[data-tip]:focus-visible::after { opacity: 1; visibility: visible; transform: none; transition-delay: .25s, .25s, .25s; }
  .karl-shell .primary-nav a[data-tip]:hover::before, .karl-shell .primary-nav a[data-tip]:focus-visible::before { opacity: 1; visibility: visible; transition-delay: .25s, .25s; }
}

/* Footer social icons (item 16) on pages that do not load Karl's style.css. */
.karl-shell .footer-social { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 10px; padding-top: 4px; padding-bottom: 18px; }
.karl-shell .footer-social-label { margin-right: 4px; font-weight: 700; color: #fff; }
.karl-shell .social-icon { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; color: #fff; background: rgba(255, 255, 255, 0.12); transition: background .15s, transform .15s; }
.karl-shell .social-icon:hover { background: var(--yellow, #ffc72c); color: var(--navy, #14325c); transform: translateY(-2px); }
.karl-shell .social-icon svg { width: 22px; height: 22px; }
.karl-shell .footer-social-more { margin-left: 6px; font-weight: 700; color: var(--yellow, #ffc72c); }

/* Karl's Backstage Overview on staging (item 10). */
.karl-ov-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 20px 0; }
.karl-ov-grid .kd-panel { margin: 0; }
.karl-ov-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.karl-ov-note { padding: 12px 0; border-top: 1px solid #e3e9f3; }
.karl-ov-note:first-child { border-top: 0; }
.karl-ov-note p { margin: 0 0 6px; }
@media (max-width: 860px) { .karl-ov-grid { grid-template-columns: 1fr; } }
.custom-error { margin: 0 0 12px; padding: 10px 14px; font-weight: 600; color: #8a1c1c; background: #fdecec; border: 1px solid #f3b8b8; border-radius: 10px; }