:root {
  --gold:       #C9A84C;
  --gold-light: #E8C96A;
  --gold-pale:  #F5E8C0;
  --green-deep: #1A2E1A;
  --green-mid:  #2D4A2D;
  --green-soft: #3a5a3a;
  --cream:      #FAF7F0;
  --white:      #ffffff;
  --text:       #1c1c1c;
  --muted:      #6b7280;
  --bg:         #F4F1E8;
  --line:       #e5e2d7;
  --ok:         #16a34a;
  --err:        #b91c1c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.portal-body {
  font-family: 'Jost', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.55;
}
a { color: var(--green-deep); text-decoration: none; }
a:hover { color: var(--gold); }
h1, h2, h3 { font-family: 'Cormorant Garamond', serif; color: var(--green-deep); margin: 0 0 10px; line-height: 1.2; }
h1 { font-size: 32px; font-weight: 600; }
h2 { font-size: 22px; font-weight: 600; }
h3 { font-size: 18px; font-weight: 600; }

/* ============ TOPBAR ============ */
.portal-topbar {
  background: var(--green-deep);
  color: var(--cream);
  padding: 12px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 18px rgba(0,0,0,0.12);
  position: sticky; top: 0;
  z-index: 100;
}
.portal-brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--cream);
}
.portal-brand img { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; border: 2px solid var(--gold); }
.portal-brand-name {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 3px;
  color: var(--gold-light);
  display: block;
}
.portal-brand-tag {
  font-size: 10px;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  display: block;
}
.portal-topbar-nav {
  display: flex; align-items: center; gap: 18px;
}
.portal-topbar-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.4px;
  transition: color 0.2s;
}
.portal-topbar-nav a:hover { color: var(--gold-light); }
.portal-link-back { font-size: 12px !important; color: rgba(255,255,255,0.55) !important; }
.portal-user-chip {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 6px 4px 4px;
  border-radius: 30px;
}
.portal-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--green-deep);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 13px;
}
.portal-user-name { font-size: 13px; color: var(--cream); }
.portal-logout {
  color: rgba(255,255,255,0.5) !important;
  font-size: 16px !important;
  padding: 0 8px;
}
.portal-logout:hover { color: var(--gold-light) !important; }

/* ============ BUTTONS ============ */
.portal-btn-primary, .portal-btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  font-family: inherit;
}
.portal-btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--green-deep);
  box-shadow: 0 3px 12px rgba(201,168,76,0.32);
}
.portal-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(201,168,76,0.45);
  color: var(--green-deep);
}
.portal-btn-ghost {
  background: transparent;
  color: var(--green-deep);
  border: 1px solid var(--green-deep);
}
.portal-btn-ghost:hover {
  background: var(--green-deep);
  color: var(--gold-light);
}
.portal-btn-block { width: 100%; }

/* ============ MAIN ============ */
.portal-main {
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 32px;
  flex: 1;
}
.portal-eyebrow {
  font-family: 'Cinzel', serif;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}
.portal-hero {
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
  background: linear-gradient(135deg, var(--green-deep), var(--green-mid));
  color: var(--cream);
  padding: 32px 36px;
  border-radius: 16px;
  margin-bottom: 28px;
  position: relative; overflow: hidden;
}
.portal-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 90% 20%, rgba(201,168,76,0.15), transparent 60%);
  pointer-events: none;
}
.portal-hero h1 { color: var(--gold-light); }
.portal-hero p { margin: 6px 0 0; color: rgba(255,255,255,0.8); }
.portal-hero-stats {
  display: flex; gap: 14px;
  position: relative;
}
.portal-hero-stats > div {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 14px 18px;
  border-radius: 12px;
  text-align: center;
  min-width: 80px;
}
.portal-hero-stats strong { display: block; font-size: 22px; font-family: 'Cormorant Garamond', serif; color: var(--gold-light); }
.portal-hero-stats span { font-size: 11px; letter-spacing: 1px; color: rgba(255,255,255,0.65); text-transform: uppercase; }

/* ============ SECTIONS / CARDS ============ */
.portal-section { margin-bottom: 36px; }
.portal-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.portal-link-more { color: var(--gold); font-weight: 600; font-size: 13px; }
.portal-link-more:hover { color: var(--green-deep); }

.portal-course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
}
.portal-course-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  color: var(--text);
  position: relative;
  overflow: hidden;
}
.portal-course-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--gold), var(--gold-light));
  opacity: 0; transition: opacity 0.25s;
}
.portal-course-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  border-color: var(--gold);
  color: var(--text);
}
.portal-course-card:hover::before { opacity: 1; }
.portal-course-icon { font-size: 32px; }
.portal-course-card h3 { margin: 4px 0; }
.portal-course-desc { font-size: 13px; color: var(--muted); margin: 0 0 8px; flex: 1; }
.portal-course-meta { display: flex; flex-wrap: wrap; gap: 8px; font-size: 11px; margin: 4px 0; }
.portal-course-meta span {
  background: var(--gold-pale);
  color: var(--green-deep);
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 500;
  letter-spacing: 0.4px;
}
.portal-resume-btn {
  margin-top: 8px;
  align-self: flex-start;
  background: var(--green-deep);
  color: var(--gold-light);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.portal-course-card:hover .portal-resume-btn { background: var(--gold); color: var(--green-deep); }

/* ============ PROGRESS ============ */
.portal-progress {
  background: var(--gold-pale);
  height: 6px;
  border-radius: 6px;
  margin: 8px 0 4px;
  overflow: hidden;
}
.portal-progress-bar {
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  height: 100%;
  transition: width 0.4s ease;
}
.portal-progress-text { font-size: 11px; color: var(--muted); margin: 0; letter-spacing: 0.4px; }

/* ============ EMPTY STATE ============ */
.portal-empty {
  background: var(--white);
  border: 1px dashed var(--line);
  border-radius: 14px;
  padding: 48px 28px;
  text-align: center;
}
.portal-empty-icon { font-size: 48px; margin-bottom: 8px; }
.portal-empty h3 { margin-top: 0; }
.portal-empty p { color: var(--muted); margin-bottom: 18px; }

/* ============ AUTH PAGES ============ */
.portal-auth-page .portal-main { max-width: 1000px; }
.portal-auth-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  margin-top: 24px;
  align-items: stretch;
}
.portal-auth-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px;
  border: 1px solid var(--line);
  box-shadow: 0 8px 32px rgba(26,46,26,0.08);
}
.portal-auth-card h1 { margin-bottom: 6px; }
.portal-auth-sub { color: var(--muted); margin: 0 0 24px; font-size: 14px; }
.portal-auth-alt { margin-top: 18px; font-size: 13px; color: var(--muted); }
.portal-auth-alt a { color: var(--gold); font-weight: 600; }
.portal-auth-aside {
  background: linear-gradient(135deg, var(--green-deep), var(--green-mid));
  color: var(--cream);
  padding: 36px;
  border-radius: 16px;
  position: relative; overflow: hidden;
}
.portal-auth-aside::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 110%, rgba(201,168,76,0.16), transparent 60%);
}
.portal-auth-aside h2 { color: var(--gold-light); position: relative; }
.portal-auth-aside ul { padding-left: 22px; color: rgba(255,255,255,0.85); position: relative; font-size: 14px; }
.portal-auth-aside li { margin-bottom: 10px; }

/* ============ FORMS ============ */
.portal-form { display: flex; flex-direction: column; gap: 14px; }
.portal-form label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--green-deep);
  text-transform: uppercase;
}
.portal-form input {
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.portal-form input:focus {
  border-color: var(--gold);
  background: var(--white);
}
.portal-auth-alt-forgot { margin-top: 6px; }

/* ============ FLASH ============ */
.portal-flash {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 16px;
  border-left: 4px solid;
}
.portal-flash-ok  { background: #ecfdf5; color: #065f46; border-color: var(--ok); }
.portal-flash-err { background: #fef2f2; color: #7f1d1d; border-color: var(--err); }

/* ============ ENROLLMENT STATUS ============ */
.portal-status-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  background: #e5e7eb;
  color: #374151;
}
.portal-status-pending    { background: #fef3c7; color: #92400e; }
.portal-status-approved   { background: #dbeafe; color: #1e40af; }
.portal-status-completed  { background: #dcfce7; color: #166534; }
.portal-status-rejected   { background: #fee2e2; color: #991b1b; }
.portal-status-cancelled  { background: #e5e7eb; color: #374151; }
.portal-payment-unpaid    { background: #fef3c7; color: #92400e; }
.portal-payment-partial   { background: #fde68a; color: #78350f; }
.portal-payment-paid      { background: #dcfce7; color: #166534; }
.portal-payment-waived    { background: #dbeafe; color: #1e40af; }
.portal-payment-refunded  { background: #fee2e2; color: #991b1b; }

.portal-pending-card { background: var(--white); border-radius: 14px; border: 1px solid var(--line); }
.portal-pending-card h3 { font-family: 'Cormorant Garamond', Georgia, serif; font-size: 26px; color: var(--green-deep); margin: 8px 0 12px; }
.portal-pending-card p { color: var(--text); line-height: 1.7; margin: 0 0 14px; }
.portal-pending-card .portal-empty-icon { font-size: 44px; }

.portal-pending-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  background: var(--cream);
  padding: 16px 18px;
  border-radius: 10px;
  margin: 20px 0;
}
.portal-pending-meta > div { display: flex; flex-direction: column; gap: 4px; }
.portal-pending-label {
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted);
}
.portal-pending-note {
  background: rgba(201,168,76,0.08);
  border-left: 3px solid var(--gold);
  padding: 12px 16px;
  border-radius: 6px;
  margin: 18px 0;
}
.portal-pending-note strong { color: var(--green-deep); display: block; margin-bottom: 4px; }
.portal-pending-note p { margin: 0; font-size: 14px; }

.portal-course-card.is-locked {
  position: relative;
  opacity: 0.92;
  cursor: pointer;
}
.portal-course-card.is-locked::after {
  content: '🔒';
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 14px;
  opacity: 0.7;
}
.portal-course-card.is-locked .portal-resume-btn {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.portal-course-status {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

/* ============ COURSE PAGE ============ */
.portal-course-page .portal-main { max-width: 1280px; }
.portal-course-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  align-items: start;
}
.portal-course-sidebar {
  background: var(--white);
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 20px;
  position: sticky; top: 90px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}
.portal-course-sidebar-head { padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.portal-course-icon-lg { font-size: 36px; }
.portal-course-sidebar-meta { color: var(--muted); font-size: 12px; margin: 4px 0 10px; }
.portal-lesson-list { list-style: none; padding: 0; margin: 0; }
.portal-lesson-list li { margin-bottom: 4px; }
.portal-lesson-list a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px;
  border-radius: 8px;
  color: var(--text);
  transition: background 0.2s;
}
.portal-lesson-list a:hover { background: var(--cream); }
.portal-lesson-list li.is-active a { background: var(--green-deep); color: var(--gold-light); }
.portal-lesson-list li.is-active a strong { color: var(--gold-light); }
.portal-lesson-list li.is-active a small { color: rgba(255,255,255,0.65); }
.portal-lesson-bullet {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--gold-pale);
  color: var(--green-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.portal-lesson-list li.is-done .portal-lesson-bullet { background: var(--ok); color: white; }
.portal-lesson-list li.is-active .portal-lesson-bullet { background: var(--gold); color: var(--green-deep); }
.portal-lesson-meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.portal-lesson-meta strong { font-size: 13px; font-weight: 600; }
.portal-lesson-meta small { font-size: 11px; color: var(--muted); }

.portal-lesson-pane {
  background: var(--white);
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 36px;
}
.portal-lesson-head { margin-bottom: 20px; }
.portal-lesson-head h1 { margin-bottom: 8px; font-size: 30px; }
.portal-lesson-summary { color: var(--muted); margin: 0; font-size: 15px; }
.portal-lesson-video {
  margin: 20px 0;
  position: relative;
  padding-top: 56.25%;
  background: #000;
  border-radius: 12px;
  overflow: hidden;
}
.portal-lesson-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.portal-lesson-content {
  font-size: 15px;
  line-height: 1.7;
  color: #333;
  background: var(--cream);
  padding: 22px 26px;
  border-radius: 12px;
  border-left: 3px solid var(--gold);
  margin-bottom: 24px;
}
.portal-lesson-content > *:first-child { margin-top: 0; }
.portal-lesson-content > *:last-child  { margin-bottom: 0; }
.portal-lesson-content p { margin: 0 0 14px; }
.portal-lesson-content h1,
.portal-lesson-content h2,
.portal-lesson-content h3,
.portal-lesson-content h4 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  color: var(--green-deep);
  font-weight: 600;
  line-height: 1.25;
  margin: 24px 0 12px;
}
.portal-lesson-content h1 { font-size: 26px; }
.portal-lesson-content h2 { font-size: 22px; }
.portal-lesson-content h3 { font-size: 19px; }
.portal-lesson-content h4 { font-size: 17px; }
.portal-lesson-content ul,
.portal-lesson-content ol { margin: 0 0 14px 22px; padding: 0; }
.portal-lesson-content li { margin-bottom: 6px; }
.portal-lesson-content a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(201,168,76,0.5);
}
.portal-lesson-content a:hover { color: var(--green-deep); }
.portal-lesson-content strong { color: var(--green-deep); font-weight: 600; }
.portal-lesson-content em { font-style: italic; }
.portal-lesson-content blockquote {
  border-left: 3px solid var(--gold);
  padding: 4px 0 4px 16px;
  margin: 18px 0;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-style: italic;
  font-size: 17px;
  color: var(--green-deep);
  background: rgba(201,168,76,0.06);
}
.portal-lesson-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 14px 0; display: block; }
.portal-lesson-content code {
  background: rgba(26,46,26,0.08);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13.5px;
  color: var(--green-deep);
}
.portal-lesson-content pre {
  background: var(--green-deep);
  color: var(--cream);
  padding: 14px 16px;
  border-radius: 8px;
  overflow: auto;
  margin: 14px 0;
}
.portal-lesson-content pre code { background: transparent; color: inherit; padding: 0; }
.portal-lesson-content hr { border: none; border-top: 1px solid rgba(0,0,0,0.1); margin: 22px 0; }
.portal-lesson-actions {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.portal-lesson-nav { display: flex; gap: 10px; }

/* ============ REGISTRATION FORM ============ */
.portal-form-page .portal-main { max-width: 1080px; }
.portal-course-summary {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 16px 20px;
  min-width: 200px;
  text-align: center;
  color: rgba(255,255,255,0.85);
  position: relative;
}
.portal-course-summary p { margin: 4px 0; font-size: 13px; }
.portal-course-summary .portal-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 26px;
  color: var(--gold-light);
  margin-top: 8px;
}
.portal-course-summary .portal-course-icon-lg { font-size: 40px; margin-bottom: 4px; }

.portal-reg-form {
  background: var(--white);
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 28px 32px;
  box-shadow: 0 6px 24px rgba(26,46,26,0.06);
}
.portal-reg-form fieldset {
  border: none;
  padding: 0 0 22px;
  margin: 0 0 22px;
  border-bottom: 1px solid var(--line);
}
.portal-reg-form fieldset:last-of-type { border-bottom: none; }
.portal-reg-form legend {
  font-family: 'Cinzel', serif;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-deep);
  font-weight: 600;
  margin-bottom: 18px;
  padding: 0;
}
.portal-reg-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 18px;
}
.portal-reg-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.6px;
  color: var(--green-deep);
  text-transform: uppercase;
}
.portal-reg-form input,
.portal-reg-form select,
.portal-reg-form textarea {
  border: 1px solid var(--line);
  background: var(--cream);
  padding: 11px 13px;
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
}
.portal-reg-form input:focus,
.portal-reg-form select:focus,
.portal-reg-form textarea:focus {
  border-color: var(--gold);
  background: var(--white);
}
.portal-reg-form input:disabled {
  background: #f0ede4;
  color: var(--muted);
  cursor: not-allowed;
}
.portal-reg-textarea { margin-top: 14px; }
.portal-reg-textarea textarea { resize: vertical; min-height: 100px; }
.portal-reg-agree {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: var(--gold-pale);
  border-radius: 10px;
  margin: 6px 0 22px;
  font-size: 13px;
  color: var(--green-deep);
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
  cursor: pointer;
}
.portal-reg-agree input { margin-top: 2px; accent-color: var(--gold); }
.portal-reg-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

/* Registration summary panel inside course sidebar */
.portal-reg-summary {
  background: var(--cream);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
}
.portal-reg-summary summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4px;
  color: var(--green-deep);
  list-style: none;
  outline: none;
}
.portal-reg-summary summary::-webkit-details-marker { display: none; }
.portal-reg-summary[open] summary { margin-bottom: 10px; }
.portal-reg-summary dl {
  margin: 0;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 4px 10px;
  font-size: 12px;
}
.portal-reg-summary dt { color: var(--muted); font-weight: 500; }
.portal-reg-summary dd { margin: 0; color: var(--text); text-transform: capitalize; }

/* ============ FOOTER ============ */
.portal-footer {
  margin-top: auto;
  padding: 20px 32px;
  background: var(--green-deep);
  color: rgba(255,255,255,0.55);
  font-size: 12px;
  display: flex; align-items: center; justify-content: space-between;
  letter-spacing: 0.4px;
}
.portal-footer a { color: var(--gold-light); }
.portal-footer a:hover { color: var(--gold); }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
  .portal-topbar { padding: 10px 16px; flex-wrap: wrap; gap: 10px; }
  .portal-topbar-nav { gap: 12px; flex-wrap: wrap; }
  .portal-main { padding: 18px; }
  .portal-hero { flex-direction: column; align-items: flex-start; padding: 24px; }
  .portal-hero-stats { width: 100%; }
  .portal-auth-wrap { grid-template-columns: 1fr; }
  .portal-reg-grid { grid-template-columns: 1fr; }
  .portal-reg-form { padding: 22px; }
  .portal-course-summary { width: 100%; }
  .portal-course-shell { grid-template-columns: 1fr; }
  .portal-course-sidebar { position: static; max-height: none; }
  .portal-lesson-pane { padding: 24px; }
  .portal-brand-tag { display: none; }
}
@media (max-width: 480px) {
  .portal-topbar-nav a:not(.portal-btn-primary):not(.portal-btn-ghost) { font-size: 12px; }
  .portal-user-name { display: none; }
  h1 { font-size: 26px; }
  .portal-lesson-head h1 { font-size: 24px; }
}