:root {
  --bg: #07111f;
  --bg2: #0e1b31;
  --card: rgba(255,255,255,0.08);
  --card2: rgba(255,255,255,0.12);
  --text: #f5f8ff;
  --muted: #aebbd1;
  --blue: #58a6ff;
  --purple: #a78bfa;
  --green: #5eead4;
  --red: #fb7185;
  --yellow: #facc15;
  --border: rgba(255,255,255,0.14);
  --shadow: 0 24px 80px rgba(0,0,0,0.28);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(88,166,255,0.25), transparent 34%),
    radial-gradient(circle at top right, rgba(167,139,250,0.22), transparent 32%),
    linear-gradient(135deg, var(--bg), var(--bg2));
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.navbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px clamp(18px, 5vw, 70px);
  backdrop-filter: blur(18px);
  background: rgba(7,17,31,0.72);
  border-bottom: 1px solid var(--border);
}
.logo { font-weight: 900; font-size: 1.35rem; letter-spacing: -0.04em; }
.logo span { color: var(--green); }
.nav-links { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.nav-links a, .inline-form button {
  color: var(--muted);
  background: transparent;
  border: 0;
  cursor: pointer;
}
.nav-links a:hover, .inline-form button:hover { color: white; }
.inline-form { display: inline; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 16px;
  padding: 13px 18px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: white !important;
  font-weight: 800;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.btn.small { padding: 9px 13px; border-radius: 12px; }
.btn.ghost { background: rgba(255,255,255,0.10); box-shadow: none; }
.btn.full { width: 100%; }
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  padding: clamp(30px, 7vw, 90px);
  align-items: center;
}
.hero-card, .auth-card, .panel, .question-card, .result-card, .empty-card, .review-card, .subject-card, .level-card, .stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.hero-card { padding: clamp(28px, 6vw, 70px); }
.hero h1 { font-size: clamp(2.6rem, 7vw, 6rem); line-height: 0.94; letter-spacing: -0.07em; margin: 12px 0; }
.hero h1 span { color: var(--green); }
p { color: var(--muted); line-height: 1.7; }
.hero-card p { font-size: 1.15rem; max-width: 720px; }
.badge {
  display: inline-flex;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(94,234,212,0.12);
  color: var(--green);
  border: 1px solid rgba(94,234,212,0.24);
  font-weight: 800;
  margin: 0;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.mini-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mini-grid article {
  padding: 24px;
  border-radius: 24px;
  background: var(--card);
  border: 1px solid var(--border);
}
.auth-wrap { display: grid; place-items: center; padding: 60px 18px; }
.auth-card { width: min(460px, 100%); padding: 30px; }
label { display: grid; gap: 8px; color: var(--muted); margin: 14px 0; font-weight: 700; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.22);
  color: var(--text);
  border-radius: 14px;
  padding: 13px 14px;
  outline: none;
}
textarea { min-height: 110px; resize: vertical; }
.alert { background: rgba(251,113,133,0.14); color: #fecdd3; border: 1px solid rgba(251,113,133,0.35); padding: 12px; border-radius: 14px; }
.page { padding: clamp(22px, 5vw, 60px); }
.narrow { max-width: 980px; margin: 0 auto; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-bottom: 24px; }
.page-head h1 { font-size: clamp(2rem, 5vw, 4rem); margin: 8px 0; letter-spacing: -0.05em; }
.stat-card { padding: 22px; min-width: 130px; text-align: center; }
.stat-card strong { display: block; font-size: 2rem; }
.stat-card span { color: var(--muted); }
.subject-grid, .level-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.subject-card, .level-card { padding: 26px; transition: transform .2s ease, background .2s ease; }
.subject-card:hover, .level-card:hover { transform: translateY(-4px); background: var(--card2); }
.subject-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  font-weight: 900;
  font-size: 1.5rem;
}
.level-card.easy { border-color: rgba(94,234,212,.35); }
.level-card.medium { border-color: rgba(88,166,255,.35); }
.level-card.hard { border-color: rgba(250,204,21,.35); }
.level-card.extreme { border-color: rgba(251,113,133,.45); }
.quiz-form { display: grid; gap: 18px; }
.question-card, .result-card, .empty-card, .review-card, .panel { padding: 24px; }
.topic { color: var(--green); font-weight: 800; margin: 0 0 8px; }
.options { display: grid; gap: 10px; margin-top: 16px; }
.options label {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.05);
}
.options input { width: auto; }
.review-list { display: grid; gap: 14px; }
.review-card.correct { border-color: rgba(94,234,212,0.42); }
.review-card.wrong { border-color: rgba(251,113,133,0.42); }
.filter-bar { margin-bottom: 18px; }
.two-col, .admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
}
.row.stacked { display: grid; }
.mistake { border-bottom: 1px solid var(--border); padding: 14px 0; }
.danger {
  border: 1px solid rgba(251,113,133,0.4);
  color: #fecdd3;
  background: rgba(251,113,133,0.12);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
}
.footer { padding: 30px; text-align: center; color: var(--muted); }
@media (max-width: 900px) {
  .hero, .two-col, .admin-grid { grid-template-columns: 1fr; }
  .subject-grid, .level-grid, .mini-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .navbar { align-items: flex-start; flex-direction: column; }
  .subject-grid, .level-grid, .mini-grid { grid-template-columns: 1fr; }
  .page-head { align-items: stretch; }
}


/* Extra hover + focus polish */
.btn,
.nav-links a,
.inline-form button,
.subject-card,
.level-card,
.hero-card,
.auth-card,
.panel,
.question-card,
.result-card,
.empty-card,
.review-card,
.stat-card,
.mini-grid article,
.danger {
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}

.btn:hover {
  transform: translateY(-3px) scale(1.02);
  filter: brightness(1.08);
  box-shadow: 0 24px 70px rgba(88,166,255,0.28);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.nav-links a:hover,
.inline-form button:hover {
  color: white;
  transform: translateY(-2px);
}

.hero-card:hover,
.auth-card:hover,
.panel:hover,
.question-card:hover,
.result-card:hover,
.empty-card:hover,
.review-card:hover,
.stat-card:hover,
.mini-grid article:hover,
.subject-card:hover,
.level-card:hover {
  transform: translateY(-4px);
  background: var(--card2);
  border-color: rgba(94,234,212,0.35);
  box-shadow: 0 22px 60px rgba(0,0,0,0.24);
}

.options label {
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
  cursor: pointer;
}

.options label:hover {
  transform: translateX(4px);
  background: rgba(255,255,255,0.10);
  border-color: rgba(94,234,212,0.35);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(94,234,212,0.7);
  box-shadow: 0 0 0 4px rgba(94,234,212,0.12);
}

.danger:hover {
  transform: translateY(-2px);
  background: rgba(251,113,133,0.22);
}

/* Smarties glow-up: stronger hover, smoother movement, readable fractions */
:root {
  --glow-blue: rgba(88,166,255,0.36);
  --glow-green: rgba(94,234,212,0.26);
  --glow-purple: rgba(167,139,250,0.30);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 18%, rgba(94,234,212,0.10), transparent 25%),
    radial-gradient(circle at 82% 28%, rgba(167,139,250,0.10), transparent 28%),
    radial-gradient(circle at 50% 100%, rgba(88,166,255,0.12), transparent 30%);
  z-index: -1;
}

.logo,
.badge,
.topic {
  text-shadow: 0 0 24px rgba(94,234,212,0.28);
}

.subject-card,
.level-card,
.question-card,
.review-card,
.panel,
.auth-card,
.hero-card,
.stat-card,
.mini-grid article {
  position: relative;
  overflow: hidden;
}

.subject-card::before,
.level-card::before,
.question-card::before,
.review-card::before,
.panel::before,
.auth-card::before,
.hero-card::before,
.stat-card::before,
.mini-grid article::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(94,234,212,0.16), transparent 35%, rgba(167,139,250,0.13));
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
}

.subject-card:hover::before,
.level-card:hover::before,
.question-card:hover::before,
.review-card:hover::before,
.panel:hover::before,
.auth-card:hover::before,
.hero-card:hover::before,
.stat-card:hover::before,
.mini-grid article:hover::before {
  opacity: 1;
}

.subject-card:hover,
.level-card:hover,
.question-card:hover,
.review-card:hover,
.panel:hover,
.auth-card:hover,
.hero-card:hover,
.stat-card:hover,
.mini-grid article:hover {
  transform: translateY(-7px) scale(1.012);
  border-color: rgba(94,234,212,0.55);
  box-shadow: 0 30px 90px rgba(0,0,0,0.32), 0 0 34px var(--glow-green);
}

.subject-card:active,
.level-card:active,
.btn:active,
.options label:active {
  transform: scale(0.98);
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 70%;
  height: 100%;
  transform: skewX(-20deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  transition: left .45s ease;
}

.btn:hover::after {
  left: 130%;
}

.btn:hover {
  transform: translateY(-4px) scale(1.035);
  box-shadow: 0 26px 80px var(--glow-blue), 0 0 28px var(--glow-purple);
}

.nav-links a {
  padding: 7px 10px;
  border-radius: 999px;
}

.nav-links a:hover,
.inline-form button:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-shadow: 0 0 18px rgba(255,255,255,0.22);
}

.options label:hover {
  transform: translateX(8px) scale(1.01);
  background: rgba(94,234,212,0.12);
  border-color: rgba(94,234,212,0.55);
  box-shadow: 0 12px 35px rgba(94,234,212,0.14);
}

.options input[type="radio"] {
  accent-color: #5eead4;
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(88,166,255,0.45);
  background: rgba(255,255,255,0.08);
}

.fraction {
  display: inline-grid;
  grid-template-rows: auto auto;
  align-items: center;
  justify-items: center;
  vertical-align: middle;
  line-height: 1;
  margin: 0 0.12em;
  font-weight: 850;
}

.fraction span:first-child {
  border-bottom: 2px solid currentColor;
  padding: 0 0.18em 0.12em;
}

.fraction span:last-child {
  padding: 0.12em 0.18em 0;
}

.review-card p:last-child {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 12px 14px;
  border-radius: 14px;
}

.question-card h2,
.review-card h3 {
  line-height: 1.55;
}

/* Dashboard interactive upgrades */
.dashboard-hero {
  align-items: stretch;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 32px;
  background:
    radial-gradient(circle at 10% 0%, rgba(94,234,212,0.18), transparent 32%),
    radial-gradient(circle at 90% 10%, rgba(167,139,250,0.18), transparent 30%),
    rgba(255,255,255,0.055);
  overflow: hidden;
}

.home-interactive-grid,
.learning-tools {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 22px 0;
}

.learning-tools {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.interactive-card {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}

.interactive-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,0.22), transparent 32%);
  opacity: 0;
  transition: opacity .22s ease;
}

.interactive-card:hover::after {
  opacity: 1;
}

.xp-orb,
.mission-card,
.quick-start-card,
.difficulty-map,
.recent-card,
.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.xp-orb {
  min-width: 260px;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
}

.orb-ring {
  width: 142px;
  height: 142px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle, rgba(7,17,31,0.96) 48%, transparent 50%),
    conic-gradient(var(--green), var(--blue), var(--purple), var(--green));
  box-shadow: 0 0 34px rgba(94,234,212,0.24);
  animation: softSpin 12s linear infinite;
}

.orb-ring strong { font-size: 2.3rem; line-height: 1; }
.orb-ring span { color: var(--muted); font-size: .85rem; }

.progress-shell {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.12);
}

.progress-shell.small { height: 9px; margin-top: 6px; }

.progress-shell span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--purple));
  box-shadow: 0 0 18px rgba(94,234,212,0.36);
}

.mission-steps {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.mission-steps span,
.recent-row {
  border: 1px solid rgba(255,255,255,0.13);
  background: rgba(255,255,255,0.07);
  border-radius: 999px;
  padding: 9px 12px;
  color: var(--muted);
  font-weight: 800;
}

.quick-controls label { margin: 10px 0; }

.difficulty-bars {
  display: grid;
  gap: 12px;
}

.difficulty-bars > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}

.difficulty-bars .progress-shell { grid-column: 1 / -1; }

.recent-row {
  display: flex;
  justify-content: space-between;
  border-radius: 16px;
  margin-top: 10px;
}

.subject-grid-fancy { margin-top: 22px; }

.card-hover-line {
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--purple));
  transform: scaleX(.25);
  transform-origin: left;
  transition: transform .25s ease;
  margin-top: 18px;
}

.subject-card:hover .card-hover-line {
  transform: scaleX(1);
}

.tool-card h3 { margin-top: 0; font-size: 1.35rem; }

@keyframes softSpin {
  from { filter: hue-rotate(0deg); }
  to { filter: hue-rotate(360deg); }
}

@media (max-width: 1100px) {
  .home-interactive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .home-interactive-grid,
  .learning-tools { grid-template-columns: 1fr; }
  .xp-orb { width: 100%; }
}

/* Big interactive upgrade, because apparently static cards were too calm. */
.nav-links a {
  position: relative;
  padding: 7px 2px;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }
.interactive-card {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}
.interactive-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(94,234,212,0.16), transparent 42%);
  opacity: 0;
  transition: opacity .2s ease;
}
.interactive-card:hover::before { opacity: 1; }
.btn {
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -120%;
  width: 70%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.34), transparent);
  transform: skewX(-18deg);
  transition: left .55s ease;
}
.btn:hover::before { left: 130%; }
.done-chip, .success-text { color: var(--green) !important; }
.mini-actions, .stack-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.mini-actions span {
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.07);
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: .85rem;
  font-weight: 800;
}
.stack-actions a { flex: 1; min-width: 90px; }
.lesson-panel { display: grid; gap: 14px; }
.lesson-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  border-radius: 18px;
}
.lesson-step strong {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue), var(--purple));
}
.timer-card {
  min-width: 130px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.08);
  border-radius: 20px;
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow);
}
.timer-card strong { display:block; font-size: 1.6rem; }
.timer-card.danger-time { border-color: rgba(251,113,133,.6); color: var(--red); }
.leaderboard-list { display: grid; gap: 12px; }
.leader-row {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
}
.leader-row h3 { margin: 0; }
.leader-row h3 span, .leader-row p { color: var(--muted); }
.profile-head { grid-template-columns: 1fr auto; }
.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}
.badge-card {
  border: 1px solid rgba(255,255,255,.13);
  background: rgba(255,255,255,.06);
  border-radius: 18px;
  padding: 14px;
}
.badge-card p { color: var(--muted); margin-bottom: 0; }
.spelling-prompt {
  display: inline-block;
  letter-spacing: .08em;
  color: var(--green);
  padding: 4px 8px;
  border-radius: 10px;
  background: rgba(94,234,212,.09);
}
.correct { border-color: rgba(94,234,212,.36) !important; }
.wrong { border-color: rgba(251,113,133,.36) !important; }
@media (max-width: 760px) {
  .leader-row, .profile-head { grid-template-columns: 1fr; }
}

/* Better lesson page: less generic, more actual teaching. Revolutionary. */
.lesson-page.narrow {
  max-width: 980px;
}

.lesson-hero {
  display: grid;
  grid-template-columns: 1fr minmax(210px, 280px);
  gap: 18px;
  align-items: stretch;
  padding: 22px;
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(135deg, rgba(88,166,255,.13), rgba(167,139,250,.10));
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.lesson-mini-card {
  border: 1px solid rgba(94,234,212,.22);
  background: rgba(94,234,212,.08);
  border-radius: 22px;
  padding: 18px;
  display: grid;
  align-content: center;
  gap: 8px;
}

.lesson-mini-card span,
.lesson-example span {
  color: var(--green);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .72rem;
}

.lesson-mini-card strong {
  font-size: 1.15rem;
  color: #fff;
}

.lesson-panel {
  gap: 18px;
}

.lesson-step-upgraded {
  grid-template-columns: 58px 1fr;
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
  position: relative;
  overflow: hidden;
}

.lesson-step-upgraded::after {
  content: "";
  position: absolute;
  inset: auto 18px 0 76px;
  height: 1px;
  background: linear-gradient(90deg, rgba(94,234,212,.45), transparent);
}

.lesson-step-upgraded:hover {
  transform: translateY(-5px) scale(1.01);
  border-color: rgba(94,234,212,.5);
  box-shadow: 0 24px 70px rgba(0,0,0,.27), 0 0 25px rgba(94,234,212,.16);
}

.lesson-number {
  width: 46px;
  height: 46px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  font-weight: 950;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  box-shadow: 0 14px 34px rgba(88,166,255,.28);
}

.lesson-content h2 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.lesson-content > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.lesson-example {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(94,234,212,.18);
  background: rgba(94,234,212,.075);
}

.lesson-example p {
  margin: 6px 0 0;
  color: #eaf3ff;
  line-height: 1.55;
}

.lesson-actions-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
}

.lesson-actions-card h2 {
  margin: 0 0 6px;
}

.lesson-actions-card p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 760px) {
  .lesson-hero,
  .lesson-actions-card {
    grid-template-columns: 1fr;
  }

  .lesson-step-upgraded {
    grid-template-columns: 1fr;
  }

  .lesson-step-upgraded::after {
    inset: auto 18px 0 18px;
  }
}