:root {
  --portal-navy: #03304d;
  --portal-aqua: #00a4a6;
  --portal-lilac: #9475e1;
  --portal-lilac-light: #ede8fb;
  --portal-bg: #f0f2f7;
  --portal-border: #e2e8ef;
  --portal-text: #03304d;
  --portal-muted: #5a748a;
  --portal-warning: #f05a22;
  --portal-danger: #c44545;
  --bs-body-font-family: Arial, sans-serif;
  --bs-body-color: var(--portal-text);
  --bs-primary: var(--portal-aqua);
  --bs-link-color: var(--portal-aqua);
  --bs-link-hover-color: #007c82;
}

body {
  min-height: 100vh;
  background: var(--portal-bg);
  font-size: 0.925rem;
  line-height: 1.55;
}

body.auth-locked {
  align-items: center;
  background:
    radial-gradient(circle at 10% 15%, rgba(0, 164, 166, 0.14), transparent 28rem),
    linear-gradient(135deg, var(--portal-navy), #055a73);
  display: flex;
  justify-content: center;
}

body.auth-locked .portal-app,
body.auth-locked .skip-link {
  display: none;
}

body.auth-unlocked .auth-gate {
  display: none;
}

.skip-link {
  left: 1rem;
  top: 1rem;
  z-index: 1090;
}

.auth-gate {
  padding: 1rem;
  width: 100%;
}

.auth-card {
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 0.5rem;
  box-shadow: 0 1.4rem 3rem rgba(0, 0, 0, 0.22);
  margin: 0 auto;
  max-width: 26rem;
  padding: clamp(1.25rem, 5vw, 2rem);
}

.auth-brand {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.5rem;
}

.auth-title {
  color: var(--portal-navy);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 0.4rem;
}

.auth-copy {
  color: var(--portal-muted);
  margin-bottom: 1.2rem;
}

.auth-error {
  color: var(--portal-danger);
  font-weight: 700;
  margin: -0.35rem 0 0.85rem;
}

.auth-card .btn-primary {
  --bs-btn-bg: var(--portal-aqua);
  --bs-btn-border-color: var(--portal-aqua);
  --bs-btn-hover-bg: #007f84;
  --bs-btn-hover-border-color: #007f84;
  --bs-btn-focus-shadow-rgb: 0, 164, 166;
}

.portal-mobile-bar,
.portal-sidebar,
.portal-offcanvas {
  background: var(--portal-navy);
}

.brand-lockup {
  color: #fff;
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
}

.brand-lockup:hover,
.brand-lockup:focus {
  color: #fff;
}

.brand-mark {
  color: var(--portal-aqua);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-subtitle {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08rem;
  margin-top: 0.18rem;
  text-transform: uppercase;
}

.sidebar-brand {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.125rem 1rem 0.85rem;
}

.sidebar-search {
  padding: 0.75rem;
}

.portal-search {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: #fff;
}

.portal-search::placeholder {
  color: rgba(255, 255, 255, 0.48);
}

.portal-search:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--portal-aqua);
  box-shadow: 0 0 0 0.2rem rgba(0, 164, 166, 0.2);
  color: #fff;
}

.portal-sidebar {
  height: 100vh;
  position: sticky;
  top: 0;
}

.portal-nav {
  scrollbar-color: rgba(255, 255, 255, 0.24) transparent;
  scrollbar-width: thin;
}

.nav-group {
  margin-top: 0.35rem;
}

.nav-group-toggle {
  align-items: center;
  background: transparent;
  border: 0;
  color: rgba(255, 255, 255, 0.52);
  display: flex;
  font-size: 0.68rem;
  font-weight: 700;
  justify-content: space-between;
  letter-spacing: 0.07rem;
  padding: 0.45rem 1rem;
  text-align: left;
  text-transform: uppercase;
  width: 100%;
}

.nav-group-toggle:hover,
.nav-group-toggle:focus {
  color: rgba(255, 255, 255, 0.82);
}

.nav-group-toggle:focus-visible,
.session-link:focus-visible,
.home-card:focus-visible {
  outline: 3px solid rgba(0, 164, 166, 0.6);
  outline-offset: 2px;
}

.nav-chevron::before {
  border: solid currentColor;
  border-width: 0 2px 2px 0;
  content: "";
  display: inline-block;
  height: 0.45rem;
  transform: rotate(45deg);
  transition: transform 0.18s ease;
  width: 0.45rem;
}

.nav-group-toggle[aria-expanded="false"] .nav-chevron::before {
  transform: rotate(-45deg);
}

.session-list {
  --bs-list-group-bg: transparent;
  --bs-list-group-border-width: 0;
  --bs-list-group-action-hover-bg: rgba(255, 255, 255, 0.06);
  --bs-list-group-action-active-bg: rgba(0, 164, 166, 0.18);
  --bs-list-group-active-bg: rgba(0, 164, 166, 0.18);
  --bs-list-group-active-border-color: transparent;
  --bs-list-group-active-color: #fff;
}

.session-link {
  align-items: center;
  border-left: 3px solid transparent;
  color: rgba(255, 255, 255, 0.74);
  display: flex;
  gap: 0.65rem;
  justify-content: space-between;
  padding: 0.48rem 1rem 0.48rem 1.25rem;
  text-decoration: none;
}

.session-link:hover,
.session-link:focus {
  color: #fff;
}

.session-link.active {
  border-left-color: var(--portal-aqua);
  color: #fff;
}

.session-link-title {
  min-width: 0;
}

.session-link-duration {
  color: rgba(255, 255, 255, 0.46);
  flex: 0 0 auto;
  font-size: 0.68rem;
  white-space: nowrap;
}

.portal-nav-empty {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.86rem;
  margin: 1rem;
}

.portal-main {
  background: var(--portal-bg);
  min-height: 100vh;
}

.portal-content {
  margin: 0 auto;
  max-width: 960px;
  padding: 1.5rem 1rem 3rem;
}

.home-view {
  padding: clamp(2rem, 6vw, 4rem) 0;
  text-align: center;
}

.home-intro h1 {
  color: var(--portal-navy);
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 0.45rem;
}

.home-intro p {
  color: var(--portal-muted);
  font-size: 1rem;
  margin: 0 auto;
  max-width: 34rem;
}

.home-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  margin: 2rem auto 0;
  max-width: 760px;
}

.home-card {
  background: #fff;
  border: 1px solid var(--portal-border);
  border-radius: 0.5rem;
  color: var(--portal-text);
  display: flex;
  flex-direction: column;
  min-height: 8.5rem;
  padding: 1rem;
  text-align: left;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.home-card:hover {
  border-color: var(--portal-aqua);
  box-shadow: 0 0.35rem 1.1rem rgba(3, 48, 77, 0.1);
  color: var(--portal-text);
  transform: translateY(-1px);
}

.home-card-label {
  color: var(--group-color);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07rem;
  text-transform: uppercase;
}

.home-card-count {
  color: var(--portal-navy);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  margin-top: auto;
}

.home-card-suffix {
  color: var(--portal-muted);
  font-size: 0.86rem;
}

.session-toolbar {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 0.75rem;
}

.session-home-link {
  --bs-btn-color: var(--portal-navy);
  --bs-btn-border-color: var(--portal-border);
  --bs-btn-hover-bg: #fff;
  --bs-btn-hover-border-color: var(--portal-aqua);
  --bs-btn-hover-color: var(--portal-navy);
  --bs-btn-focus-shadow-rgb: 0, 164, 166;
  background: #fff;
  border-radius: 999px;
  font-weight: 700;
}

.session-hero {
  background: var(--portal-navy);
  border-radius: 0.5rem;
  color: #fff;
  margin-bottom: 1rem;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2rem);
  position: relative;
}

.session-hero::after {
  border: 1.25rem solid rgba(0, 164, 166, 0.14);
  border-radius: 50%;
  content: "";
  height: 11rem;
  pointer-events: none;
  position: absolute;
  right: -2.5rem;
  top: -2.5rem;
  width: 11rem;
}

.session-group {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.75);
  display: inline-flex;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07rem;
  margin-bottom: 0.75rem;
  padding: 0.22rem 0.65rem;
  position: relative;
  text-transform: uppercase;
  z-index: 1;
}

.session-title {
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
  margin-bottom: 0.8rem;
  max-width: 44rem;
  position: relative;
  z-index: 1;
}

.session-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  position: relative;
  z-index: 1;
}

.session-pill {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.78rem;
  line-height: 1.2;
  min-height: 1.75rem;
  padding: 0.35rem 0.8rem;
}

.duration-pill {
  background: var(--portal-aqua);
  color: #fff;
  font-weight: 700;
}

.audience-pill {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
}

.content-section {
  background: #fff;
  border: 1px solid var(--portal-border);
  border-radius: 0.5rem;
  margin-bottom: 0.9rem;
  padding: clamp(1rem, 3vw, 1.35rem);
}

.content-section-title {
  color: var(--portal-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06rem;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.content-section-prep {
  background: #fffbf2;
  border-color: #f5c842;
  border-left: 4px solid #f5c842;
}

.content-section-prep .content-section-title {
  color: #745a00;
}

.content-section-script {
  background: var(--portal-lilac-light);
  border-color: var(--portal-lilac);
  border-left: 4px solid var(--portal-lilac);
}

.content-section-script .content-section-title,
.script-heading {
  color: #42337f;
}

.content-section-watch {
  background: #fff8f8;
  border-color: #e87070;
  border-left: 4px solid #e87070;
}

.content-section-watch .content-section-title {
  color: #8a0000;
}

.content-section-markdown {
  padding: 0;
}

.content-section-markdown .content-section-title {
  border-bottom: 1px solid var(--portal-border);
  margin: 0;
  padding: 1rem clamp(1rem, 3vw, 1.35rem) 0.85rem;
}

.markdown-actions {
  border-bottom: 1px solid var(--portal-border);
  display: flex;
  justify-content: flex-end;
  padding: 0.75rem clamp(1rem, 3vw, 1.35rem);
}

.markdown-source-link {
  --bs-btn-color: var(--portal-navy);
  --bs-btn-border-color: var(--portal-border);
  --bs-btn-hover-bg: var(--portal-navy);
  --bs-btn-hover-border-color: var(--portal-navy);
  --bs-btn-focus-shadow-rgb: 0, 164, 166;
  border-radius: 999px;
  font-weight: 700;
}

.markdown-body {
  background: #fff;
  color: var(--portal-text);
  overflow-wrap: anywhere;
  padding: clamp(1rem, 3vw, 1.5rem);
}

.markdown-body > :first-child {
  margin-top: 0;
}

.markdown-body > :last-child {
  margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  color: var(--portal-navy);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.25;
}

.markdown-body h1 {
  border-bottom: 2px solid var(--portal-aqua);
  font-size: clamp(1.45rem, 3vw, 1.95rem);
  margin: 0 0 1rem;
  padding-bottom: 0.65rem;
}

.markdown-body h2 {
  border-top: 1px solid var(--portal-border);
  font-size: 1.1rem;
  margin: 1.6rem 0 0.65rem;
  padding-top: 1.15rem;
}

.markdown-body h3 {
  color: #42337f;
  font-size: 0.98rem;
  margin: 1.2rem 0 0.45rem;
}

.markdown-body h4 {
  color: var(--portal-muted);
  font-size: 0.92rem;
  margin: 1rem 0 0.35rem;
}

.markdown-body p,
.markdown-body li {
  font-size: 0.93rem;
  line-height: 1.65;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.3rem;
}

.markdown-body li + li {
  margin-top: 0.28rem;
}

.markdown-body blockquote {
  background: var(--portal-lilac-light);
  border-left: 4px solid var(--portal-lilac);
  border-radius: 0.45rem;
  color: #2f2756;
  margin: 0.8rem 0;
  padding: 0.8rem 1rem;
}

.markdown-body blockquote p {
  margin-bottom: 0;
}

.markdown-body code {
  background: #eef3f6;
  border-radius: 0.25rem;
  color: #742c72;
  font-size: 0.88em;
  padding: 0.12rem 0.28rem;
}

.markdown-body pre {
  background: #152536;
  border-radius: 0.45rem;
  color: #fff;
  overflow-x: auto;
  padding: 0.9rem 1rem;
}

.markdown-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.markdown-body table {
  border-collapse: collapse;
  display: block;
  margin: 1rem 0;
  max-width: 100%;
  overflow-x: auto;
  width: max-content;
}

.markdown-body th,
.markdown-body td {
  border: 1px solid var(--portal-border);
  padding: 0.5rem 0.65rem;
  vertical-align: top;
}

.markdown-body th {
  background: #eef3f6;
  color: var(--portal-navy);
}

.markdown-error {
  color: var(--portal-danger);
  font-weight: 700;
}

.content-list {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.content-list li + li {
  margin-top: 0.4rem;
}

.script-heading {
  border-bottom: 1px solid rgba(148, 117, 225, 0.24);
  font-size: 0.95rem;
  font-weight: 700;
  margin: 1rem 0 0.45rem;
  padding-bottom: 0.3rem;
}

.script-heading:first-of-type {
  margin-top: 0;
}

.script-paragraph {
  font-size: 0.92rem;
  line-height: 1.62;
  margin: 0.55rem 0 0.75rem;
}

.script-list {
  list-style: none;
  margin: 0.4rem 0 0.75rem;
  padding: 0;
}

.script-list li {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.script-list li::before {
  color: var(--portal-lilac);
  content: "->";
  flex: 0 0 auto;
  font-weight: 700;
}

.callout {
  align-items: flex-start;
  border-radius: 0.4rem;
  display: flex;
  gap: 0.65rem;
  margin: 0.55rem 0;
  padding: 0.65rem 0.8rem;
}

.callout strong {
  flex: 0 0 auto;
  font-size: 0.72rem;
  letter-spacing: 0.04rem;
  margin-top: 0.08rem;
  text-transform: uppercase;
}

.callout-tip {
  background: rgba(0, 164, 166, 0.08);
  border: 1px solid rgba(0, 164, 166, 0.25);
}

.callout-tip strong {
  color: var(--portal-aqua);
}

.callout-note {
  background: rgba(240, 90, 34, 0.06);
  border: 1px solid rgba(240, 90, 34, 0.25);
}

.callout-note strong {
  color: #d56628;
}

.link-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.link-item {
  display: flex;
  gap: 0.55rem;
}

.link-item::before {
  color: var(--portal-aqua);
  content: "#";
  flex: 0 0 auto;
  font-weight: 700;
  opacity: 0.65;
}

.link-item a {
  overflow-wrap: anywhere;
  text-decoration: none;
}

.link-item a:hover,
.link-item a:focus {
  text-decoration: underline;
}

.offcanvas.portal-offcanvas {
  color: #fff;
  width: min(86vw, 22rem);
}

.portal-offcanvas .offcanvas-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .portal-content {
    padding: 2rem 1.5rem 3.5rem;
  }
}

@media (min-width: 1200px) {
  .portal-content {
    padding: 2rem 2rem 4rem;
  }
}