/* EDU Ambassadors — join + dashboard */

.edu-ambassador-app {
  --amb-brand: #0b1426;
  --amb-dark: #152238;
  --amb-accent: #f97316;
  --amb-accent-deep: #ea580c;
  --amb-accent-soft: #ffedd5;
  --amb-surface: #ffffff;
  --amb-line: rgba(11, 20, 38, 0.08);
  --amb-muted: #64748b;
  --amb-shadow: 0 16px 40px rgba(11, 20, 38, 0.1);
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 55%, #fff7ed 100%);
  min-height: 60vh;
  padding-bottom: calc(88px + env(safe-area-inset-bottom, 0px));
}

.edu-ambassador-wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 14px;
}

/* —— Subpage topbar —— */
.edu-ambassador-app .edu-app-topbar {
  position: sticky;
  top: 0;
  z-index: 120;
  margin: 0 -14px 14px;
  padding: max(10px, env(safe-area-inset-top, 0px)) 14px 14px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(11, 20, 38, 0.08);
  box-shadow: 0 10px 28px rgba(11, 20, 38, 0.06);
}

.edu-ambassador-app .edu-app-topbar__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  gap: 10px 12px;
  max-width: 640px;
  margin: 0 auto;
}

.edu-ambassador-app .edu-app-topbar__back {
  grid-column: 1 / -1;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 14px 0 10px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--amb-brand);
  background: #fff;
  border: 1px solid rgba(11, 20, 38, 0.1);
  box-shadow: 0 4px 14px rgba(11, 20, 38, 0.06);
  font-size: 0.78rem;
  font-weight: 800;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease, color 0.12s ease;
}

.edu-ambassador-app .edu-app-topbar__back:hover,
.edu-ambassador-app .edu-app-topbar__back:focus-visible {
  background: var(--amb-accent-soft);
  border-color: rgba(249, 115, 22, 0.35);
  color: var(--amb-accent-deep);
  text-decoration: none;
  outline: none;
}

.edu-ambassador-app .edu-app-topbar__back:active {
  transform: scale(0.98);
}

.edu-ambassador-app .edu-app-topbar__back--placeholder {
  display: none;
}

.edu-ambassador-app .edu-app-topbar__back-icon .edu-app-icon {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  box-shadow: none;
  background: var(--amb-accent-soft);
  color: var(--amb-accent-deep);
}

.edu-ambassador-app .edu-app-topbar__back-label {
  line-height: 1.2;
  max-width: 14ch;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.edu-ambassador-app .edu-app-topbar__title {
  grid-column: 1;
  grid-row: 2;
  min-width: 0;
  text-align: start;
}

.edu-ambassador-app .edu-app-topbar__title strong {
  display: block;
  font-size: 1rem;
  font-weight: 900;
  color: var(--amb-brand);
  line-height: 1.25;
}

.edu-ambassador-app .edu-app-topbar__title small {
  display: block;
  margin-top: 3px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--amb-muted);
  line-height: 1.45;
}

.edu-ambassador-app .edu-app-topbar__mark {
  grid-column: 2;
  grid-row: 2;
  align-self: center;
}

.edu-ambassador-app .edu-app-topbar__mark .edu-app-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(145deg, #ffedd5 0%, #fed7aa 100%);
  color: var(--amb-accent-deep);
  box-shadow:
    0 0 0 1px rgba(249, 115, 22, 0.18),
    0 8px 20px rgba(249, 115, 22, 0.2);
}

.edu-student-mode .edu-ambassador-app .edu-app-topbar__mark {
  margin-inline-end: 0;
}

@media (max-width: 360px) {
  .edu-ambassador-app .edu-app-topbar__back-label {
    max-width: 10ch;
  }
}

/* —— Hero —— */
.edu-ambassador-hero {
  position: relative;
  overflow: hidden;
  margin: 0 0 14px;
  padding: 20px 18px 18px;
  border-radius: 22px;
  background: linear-gradient(128deg, #0b1426 0%, #152238 58%, #0b1426 100%);
  color: #fff;
  box-shadow: 0 20px 44px rgba(11, 20, 38, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.edu-ambassador-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.35), transparent 62%);
  pointer-events: none;
}

.edu-ambassador-hero::after {
  content: '';
  position: absolute;
  inset-inline-end: 0;
  top: 0;
  width: 38%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(249, 115, 22, 0.22) 45%, rgba(234, 88, 12, 0.38) 100%);
  pointer-events: none;
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
}

.edu-ambassador-hero__mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 92% 18%, rgba(249, 115, 22, 0.28), transparent 38%),
    radial-gradient(circle at 8% 88%, rgba(21, 34, 56, 0.9), transparent 45%);
  pointer-events: none;
}

.edu-ambassador-hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(32px);
  pointer-events: none;
}

.edu-ambassador-hero__orb--a {
  width: 140px;
  height: 140px;
  top: -40px;
  inset-inline-end: -20px;
  background: rgba(249, 115, 22, 0.45);
}

.edu-ambassador-hero__orb--b {
  width: 80px;
  height: 80px;
  bottom: -24px;
  inset-inline-start: 12%;
  background: rgba(11, 20, 38, 0.55);
}

.edu-ambassador-hero__layout {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.edu-ambassador-hero__copy {
  flex: 1;
  min-width: 0;
}

.edu-ambassador-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(249, 115, 22, 0.16);
  border: 1px solid rgba(251, 146, 60, 0.45);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
  color: #ffedd5;
}

.edu-ambassador-hero h1 {
  margin: 0 0 6px;
  font-size: clamp(1.15rem, 4vw, 1.45rem);
  font-weight: 900;
  line-height: 1.25;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
  background: linear-gradient(180deg, #ffffff 0%, #ffedd5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.edu-ambassador-hero p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
  max-width: 34ch;
}

.edu-ambassador-hero__emblem {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 22px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(249, 115, 22, 0.32), rgba(11, 20, 38, 0.65));
  border: 1px solid rgba(251, 146, 60, 0.55);
  box-shadow:
    0 0 0 4px rgba(249, 115, 22, 0.12),
    0 10px 28px rgba(249, 115, 22, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.edu-ambassador-hero__emblem .edu-ambassador-svg {
  width: 32px;
  height: 32px;
  stroke: #fdba74;
}

.edu-ambassador-hero__badge .edu-ambassador-svg {
  width: 14px;
  height: 14px;
  stroke: #fb923c;
}

/* —— Panels —— */
.edu-ambassador-panel {
  margin-bottom: 14px;
  padding: 18px;
  border-radius: 20px;
  background: var(--amb-surface);
  border: 1px solid var(--amb-line);
  box-shadow: var(--amb-shadow);
}

.edu-ambassador-panel--center {
  text-align: center;
  padding: 28px 20px;
}

.edu-ambassador-panel__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: var(--amb-accent-soft);
  color: var(--amb-accent);
}

.edu-ambassador-panel__icon .edu-ambassador-svg {
  width: 26px;
  height: 26px;
  stroke: var(--amb-accent);
}

.edu-ambassador-panel__head h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--amb-brand);
}

.edu-ambassador-panel__head p {
  margin: 0;
  color: var(--amb-muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.edu-ambassador-panel--center h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 900;
}

.edu-ambassador-panel--center p {
  margin: 0 0 16px;
  color: var(--amb-muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

/* —— Perk grid (join) —— */
.edu-ambassador-panel--join .edu-ambassador-panel__head {
  margin-bottom: 14px;
}

.edu-ambassador-perk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

@media (min-width: 520px) {
  .edu-ambassador-perk-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.edu-ambassador-perk {
  padding: 14px 12px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid var(--amb-line);
  text-align: center;
}

.edu-ambassador-perk__icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 10px;
  border-radius: 12px;
  display: grid;
  place-items: center;
}

.edu-ambassador-perk__icon .edu-ambassador-svg {
  width: 20px;
  height: 20px;
}

.edu-ambassador-perk__icon--accent,
.edu-ambassador-perk__icon--emerald,
.edu-ambassador-perk__icon--amber {
  background: #ffedd5;
  color: var(--amb-accent-deep);
}

.edu-ambassador-perk__icon--accent .edu-ambassador-svg,
.edu-ambassador-perk__icon--emerald .edu-ambassador-svg,
.edu-ambassador-perk__icon--amber .edu-ambassador-svg {
  stroke: var(--amb-accent-deep);
}

.edu-ambassador-perk__icon--emerald {
  background: #fff7ed;
}

.edu-ambassador-perk__icon--amber {
  background: #fed7aa;
}

.edu-ambassador-perk strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.82rem;
  font-weight: 900;
  color: var(--amb-brand);
}

.edu-ambassador-perk span {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--amb-muted);
  line-height: 1.45;
}

/* —— Join form —— */
.edu-ambassador-join-form {
  padding-top: 14px;
  border-top: 1px dashed rgba(11, 20, 38, 0.1);
}

.edu-ambassador-field {
  display: block;
  margin-bottom: 12px;
}

.edu-ambassador-field span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.78rem;
  font-weight: 800;
  color: #475569;
}

.edu-ambassador-field input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
  font-size: 0.88rem;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.edu-ambassador-field input:focus {
  outline: none;
  border-color: #fb923c;
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.18);
}

.edu-ambassador-cta {
  width: 100%;
  min-height: 48px !important;
  border-radius: 14px !important;
  font-size: 0.95rem !important;
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
  border-color: transparent !important;
  box-shadow: 0 10px 24px rgba(234, 88, 12, 0.32) !important;
}

.edu-ambassador-cta .edu-ambassador-svg {
  width: 18px;
  height: 18px;
  stroke: #fff;
}

.edu-ambassador-cta:hover,
.edu-ambassador-cta:focus-visible {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.edu-ambassador-join-note {
  margin: 10px 0 0;
  text-align: center;
  font-size: 0.74rem;
  font-weight: 700;
  color: #94a3b8;
  line-height: 1.5;
}

/* —— Tier + stats (dashboard) —— */
.edu-ambassador-tier__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.edu-ambassador-tier__head small {
  display: block;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--amb-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.edu-ambassador-tier__head strong {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--amb-brand);
}

.edu-ambassador-tier__points {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--amb-accent-soft);
  color: var(--amb-accent-deep);
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.edu-ambassador-tier__bar {
  height: 10px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
  margin-bottom: 8px;
}

.edu-ambassador-tier__bar span {
  display: block;
  height: 100%;
  width: calc(var(--pct, 0) * 1%);
  background: linear-gradient(90deg, #f97316, #fb923c);
  border-radius: inherit;
  transition: width 0.4s ease;
}

.edu-ambassador-tier__hint {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--amb-muted);
}

.edu-ambassador-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

@media (min-width: 520px) {
  .edu-ambassador-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.edu-ambassador-stats article {
  padding: 14px 8px;
  border-radius: 16px;
  background: var(--amb-surface);
  border: 1px solid var(--amb-line);
  text-align: center;
  box-shadow: 0 8px 20px rgba(11, 20, 38, 0.04);
}

.edu-ambassador-stats article.is-accent {
  background: linear-gradient(180deg, #fff7ed, #fff);
  border-color: rgba(249, 115, 22, 0.22);
}

.edu-ambassador-stats strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--amb-brand);
  line-height: 1.1;
}

.edu-ambassador-stats article.is-accent strong {
  color: var(--amb-accent-deep);
}

.edu-ambassador-stats span {
  display: block;
  margin-top: 4px;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--amb-muted);
}

/* —— Link panel —— */
.edu-ambassador-code-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 8px 14px;
  border-radius: 999px;
  background: #f1f5f9;
  border: 1px solid var(--amb-line);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--amb-muted);
}

.edu-ambassador-code-pill strong {
  color: var(--amb-brand);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
}

.edu-ambassador-linkbox {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.edu-ambassador-linkbox input {
  flex: 1;
  min-width: 0;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 11px 12px;
  font-size: 0.76rem;
  background: #f8fafc;
  color: #334155;
}

.edu-ambassador-linkbox .edu-btn {
  flex-shrink: 0;
  min-width: 96px;
}

.edu-ambassador-share {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.edu-ambassador-share-btn {
  flex: 1;
  min-width: 120px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 0.82rem;
  font-weight: 900;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.12s ease, filter 0.12s ease;
}

.edu-ambassador-share-btn--wa {
  background: #dcfce7;
  color: #166534;
  border-color: #bbf7d0;
}

.edu-ambassador-share-btn--tg {
  background: #e0f2fe;
  color: #0369a1;
  border-color: #bae6fd;
}

.edu-ambassador-share-btn:hover {
  filter: brightness(0.97);
  transform: translateY(-1px);
}

/* —— Tasks —— */
.edu-ambassador-task-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.edu-ambassador-task-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(11, 20, 38, 0.06);
  font-size: 0.84rem;
  font-weight: 700;
  color: #334155;
  line-height: 1.5;
}

.edu-ambassador-task-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.edu-ambassador-task-list li span {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--amb-accent-soft);
  color: var(--amb-accent-deep);
  font-size: 0.72rem;
  font-weight: 900;
}

/* —— Recent —— */
.edu-ambassador-recent {
  margin: 0;
  padding: 0;
  list-style: none;
}

.edu-ambassador-recent li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(11, 20, 38, 0.06);
}

.edu-ambassador-recent li:last-child {
  border-bottom: 0;
}

.edu-ambassador-recent__avatar {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #ffedd5, #fed7aa);
  color: var(--amb-accent-deep);
  font-size: 0.9rem;
  font-weight: 900;
}

.edu-ambassador-recent__body {
  flex: 1;
  min-width: 0;
}

.edu-ambassador-recent__body strong {
  display: block;
  font-size: 0.86rem;
  font-weight: 900;
  color: var(--amb-brand);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.edu-ambassador-recent__body time {
  font-size: 0.72rem;
  font-weight: 700;
  color: #94a3b8;
}

.edu-ambassador-status {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 900;
  padding: 5px 9px;
  border-radius: 999px;
}

.edu-ambassador-status--signed_up {
  background: #f1f5f9;
  color: #475569;
}

.edu-ambassador-status--converted {
  background: #dcfce7;
  color: #166534;
}

/* —— Alerts —— */
.edu-ambassador-alert {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 0.84rem;
}

.edu-ambassador-alert--ok {
  background: #ecfdf5;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.edu-ambassador-alert--err {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.edu-ambassador-svg {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  fill: none;
}

/* —— Web wide —— */
html.edu-view-web .edu-ambassador-wrap {
  max-width: 720px;
  padding: 0 20px 24px;
}

html.edu-view-web .edu-ambassador-app .edu-app-topbar {
  margin: 0 0 16px;
  padding: 14px 18px;
  border-radius: 18px;
  border: 1px solid var(--amb-line);
  border-bottom: 1px solid var(--amb-line);
  box-shadow: var(--amb-shadow);
}

html.edu-view-web .edu-ambassador-app .edu-app-topbar__inner {
  max-width: none;
}

html.edu-view-web .edu-ambassador-hero {
  padding: 24px 28px 22px;
  border-radius: 24px;
}

html.edu-view-web .edu-ambassador-hero__emblem {
  width: 84px;
  height: 84px;
}

html.edu-view-web .edu-ambassador-hero h1 {
  font-size: 1.55rem;
}

html.edu-view-web .edu-ambassador-panel {
  padding: 22px 24px;
}

.edu-ambassador-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 72px;
  padding: 8px 4px 0;
}

.edu-ambassador-chart__bar {
  flex: 1;
  height: var(--h, 8%);
  min-height: 4px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, #fb923c, #ea580c);
}

.edu-ambassador-affiliate {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 12px;
  background: #fff7ed;
  color: var(--amb-accent-deep);
  font-size: 0.82rem;
  font-weight: 800;
}

.edu-ambassador-qr {
  text-align: center;
  margin: 14px 0;
  padding: 12px;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px dashed rgba(11, 20, 38, 0.12);
}

.edu-ambassador-qr img {
  border-radius: 12px;
}

.edu-ambassador-qr p {
  margin: 8px 0 0;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--amb-muted);
}

.edu-ambassador-landing-link {
  margin: 0 0 10px;
  font-size: 0.78rem;
  font-weight: 800;
}

.edu-ambassador-landing-link a {
  color: var(--amb-accent-deep);
}

.edu-ambassador-templates {
  margin: 0;
  padding: 0;
  list-style: none;
}

.edu-ambassador-templates li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(11, 20, 38, 0.06);
}

.edu-ambassador-templates li:last-child {
  border-bottom: 0;
}

.edu-ambassador-templates strong {
  display: block;
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.edu-ambassador-templates p {
  margin: 0 0 8px;
  font-size: 0.76rem;
  color: var(--amb-muted);
  line-height: 1.5;
}

.edu-ambassador-track-share {
  margin-top: 10px;
}

.edu-ambassador-task-list li.is-done {
  opacity: 0.72;
}

.edu-ambassador-task-list li.is-done span {
  background: #dcfce7;
  color: #166534;
}

.edu-ambassador-task-list li div small {
  display: block;
  margin-top: 2px;
  font-size: 0.72rem;
  color: var(--amb-muted);
}

.edu-ambassador-rewards {
  display: grid;
  gap: 10px;
}

.edu-ambassador-rewards article {
  padding: 14px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid var(--amb-line);
}

.edu-ambassador-redemptions {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.76rem;
}

.edu-ambassador-leaderboard {
  margin: 0;
  padding: 0;
  list-style: none;
}

.edu-ambassador-leaderboard li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(11, 20, 38, 0.06);
}

.edu-ambassador-leaderboard__rank {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--amb-accent-soft);
  color: var(--amb-accent-deep);
  font-size: 0.72rem;
  font-weight: 900;
}

.edu-ambassador-panel--lead {
  background: linear-gradient(135deg, #fff7ed, #fff);
  border-color: rgba(249, 115, 22, 0.25);
}

.edu-ambassador-panel--lead p {
  margin: 0;
  font-size: 0.84rem;
  font-weight: 700;
  color: #334155;
}

.edu-ambassador-cert__frame {
  padding: 24px 20px;
  border-radius: 20px;
  border: 3px solid #ea580c;
  background: linear-gradient(180deg, #fff, #fff7ed);
  text-align: center;
}

.edu-ambassador-cert__head span {
  display: block;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  color: var(--amb-accent-deep);
}

.edu-ambassador-cert__head strong {
  display: block;
  margin-top: 4px;
  font-size: 1.1rem;
}

.edu-ambassador-cert h1 {
  margin: 12px 0;
  font-size: 1.5rem;
  color: var(--amb-brand);
}

.edu-ambassador-cert__meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 16px;
}

@media print {
  .edu-app-topbar,
  .edu-ambassador-cert .edu-btn {
    display: none !important;
  }
}

/* ── Mobile shell (≤820px) — balanced layout + one card per row ── */
@media (max-width: 820px) {
  .edu-ambassador-app,
  html.edu-view-web .edu-web-content .edu-ambassador-app {
    max-width: 100% !important;
    width: 100% !important;
    margin-inline: 0 !important;
    min-height: 0;
    background: transparent !important;
    padding-bottom: var(--native-nav-space, calc(88px + env(safe-area-inset-bottom, 0px))) !important;
    box-sizing: border-box;
    overflow-x: clip;
  }

  .edu-ambassador-wrap,
  html.edu-view-web .edu-web-content .edu-ambassador-wrap {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box;
  }

  .edu-ambassador-app .edu-app-topbar,
  html.edu-view-web .edu-web-content .edu-ambassador-app .edu-app-topbar {
    margin: 0 0 14px !important;
    padding: max(10px, env(safe-area-inset-top, 0px)) 0 12px !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    border: 0 !important;
    border-bottom: 1px solid rgba(11, 20, 38, 0.08) !important;
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .edu-ambassador-app .edu-app-topbar__inner {
    max-width: none !important;
  }

  .edu-ambassador-hero,
  html.edu-view-web .edu-web-content .edu-ambassador-hero {
    margin: 0 0 14px !important;
    padding: 18px 16px 16px !important;
    border-radius: 16px !important;
  }

  .edu-ambassador-hero h1 {
    font-size: clamp(1.15rem, 5vw, 1.35rem);
  }

  .edu-ambassador-hero p {
    max-width: none;
    font-size: 0.8rem;
  }

  .edu-ambassador-hero__emblem {
    width: 64px;
    height: 64px;
    border-radius: 18px;
  }

  .edu-ambassador-panel,
  html.edu-view-web .edu-web-content .edu-ambassador-panel {
    margin-bottom: 14px !important;
    padding: 16px !important;
    border-radius: 16px !important;
  }

  .edu-ambassador-panel--center {
    padding: 22px 16px !important;
  }

  .edu-ambassador-perk-grid,
  html.edu-view-web .edu-web-content .edu-ambassador-perk-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }

  .edu-ambassador-stats,
  html.edu-view-web .edu-web-content .edu-ambassador-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }

  .edu-ambassador-linkbox {
    flex-direction: column;
    align-items: stretch;
  }

  .edu-ambassador-linkbox .edu-btn {
    width: 100%;
    min-height: 46px;
  }

  .edu-ambassador-share {
    flex-direction: column;
  }

  .edu-ambassador-share-btn {
    width: 100%;
    min-width: 0;
    min-height: 46px;
  }

  .edu-ambassador-tier__head {
    flex-wrap: wrap;
  }

  .edu-ambassador-rewards {
    grid-template-columns: 1fr !important;
  }

  .edu-ambassador-cert__meta {
    flex-direction: column;
    gap: 12px;
  }
}