:root {
  --bg: #eef3fb;
  --bg-deep: #1c3d6e;
  --panel: rgba(247, 250, 255, 0.94);
  --panel-strong: #ffffff;
  --text: #1d2f4f;
  --muted: #677896;
  --accent: #3598f3;
  --accent-deep: #1f77d7;
  --teal: #4aa7ff;
  --gold: #8dc3ff;
  --warm: #ff9f43;
  --warm-deep: #ee8b2a;
  --fun: #ff6b9d;
  --fun-deep: #e5477f;
  --purple: #7c5cff;
  --purple-deep: #6142e0;
  --success: #2ecc71;
  --success-deep: #23a463;
  --danger: #ff6b6b;
  --danger-deep: #e6544f;
  --line: rgba(28, 61, 110, 0.14);
  --shadow: 0 20px 50px rgba(22, 50, 92, 0.14);
  --radius: 26px;
  --font-display: "Fredoka", "Space Grotesk", sans-serif;
  --font-body: "Space Grotesk", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 18px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  background:
    radial-gradient(circle at 8% 12%, rgba(255, 209, 102, 0.28), transparent 9%),
    radial-gradient(circle at 92% 18%, rgba(255, 107, 157, 0.22), transparent 10%),
    radial-gradient(circle at 20% 85%, rgba(46, 204, 113, 0.18), transparent 11%),
    radial-gradient(circle at 80% 92%, rgba(124, 92, 255, 0.18), transparent 11%),
    radial-gradient(circle at top left, rgba(53, 152, 243, 0.22), transparent 24%),
    radial-gradient(circle at bottom right, rgba(255, 159, 67, 0.18), transparent 30%),
    linear-gradient(155deg, #edf3fb 0%, #e6eef8 48%, #dbe7f7 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
}

.access-portal {
  min-height: 100vh;
  padding: 36px 28px 48px;
  background: #0a1f3d;
  color: #f4f6fb;
}

.auth-shell {
  width: min(980px, calc(100% - 28px));
  margin: 0 auto;
  padding: 40px 0;
}

.auth-card {
  display: grid;
  gap: 18px;
  justify-items: start;
  padding: 24px;
  background: #12294f;
  border: 1px solid #2c4a7c;
  border-radius: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25), 0 8px 20px rgba(0, 0, 0, 0.3);
}

.access-portal .hero.auth-card {
  grid-template-columns: 1fr;
  margin-bottom: 0;
  align-items: start;
}

.access-portal .hero.auth-card > div,
.access-portal .hero.auth-card > form,
.access-portal .hero.auth-card > .auth-form,
.access-portal .hero.auth-card > .access-grid,
.access-portal .hero.auth-card > .suggestion-card,
.access-portal .hero.auth-card > .access-card,
.access-portal .hero.auth-card > p {
  width: 100%;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  border: 0;
  border-radius: 0;
  padding: 0;
}

.access-portal .hero.auth-card h1,
.access-portal .hero.auth-card h2,
.access-portal .hero.auth-card h3,
.access-portal .hero.auth-card h4,
.access-portal .hero.auth-card p,
.access-portal .hero.auth-card label,
.access-portal .hero.auth-card .eyebrow {
  color: #f4f6fb;
}

.access-portal .hero.auth-card .hero-text,
.access-portal .hero.auth-card .portal-note,
.access-portal .hero.auth-card .portal-helper,
.access-portal .hero.auth-card .auth-message {
  color: #a9b8d6;
}

.auth-copy h1,
.auth-panel-copy h2 {
  margin: 0;
}

.hero-text,
.portal-note,
.portal-helper {
  color: #a9b8d6;
}

.auth-form {
  width: 100%;
}

.auth-input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 0.8rem;
}

.auth-input-grid label {
  display: grid;
  gap: 0.45rem;
  color: #f4f6fb;
  font-weight: 700;
}

.auth-input-grid label.full-span {
  grid-column: 1 / -1;
}

.auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.auth-mode-switch {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid #2c4a7c;
  border-radius: 999px;
}

.auth-mode-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 22px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #d8e6ff;
  background: transparent;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.auth-mode-button.active {
  background: linear-gradient(135deg, var(--warm), var(--fun));
  color: #1d1430;
}

.auth-mode-button:hover {
  transform: translateY(-1px);
}

.auth-back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.auth-message {
  margin-top: 12px;
  min-height: 24px;
  color: #f4f6fb;
}

.auth-form input,
.auth-form select {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  border: 1px solid #2c4a7c;
  background: #ffffff;
  color: #111111;
  font-size: 1rem;
  font-weight: 700;
}

.auth-form input[readonly] {
  background: #e8eef8;
}

.access-shell {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.access-hero,
.access-card {
  background: #12294f;
  border: 1px solid #2c4a7c;
  border-radius: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25), 0 8px 20px rgba(0, 0, 0, 0.3);
}

.access-hero {
  padding: 28px 30px;
  display: grid;
  gap: 14px;
}

.access-hero h2,
.access-card h3,
.access-card h4 {
  margin: 0;
}

.access-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

.access-stack {
  display: grid;
  gap: 24px;
}

.access-card {
  padding: 24px;
  display: grid;
  gap: 16px;
}

.access-form {
  display: grid;
  gap: 14px;
}

.access-field {
  display: grid;
  gap: 8px;
}

.access-field input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid #2c4a7c;
  background: #ffffff;
  color: #111111;
}

.access-field input:focus {
  outline: none;
  border-color: rgba(53, 152, 243, 0.5);
  box-shadow: 0 0 0 4px rgba(53, 152, 243, 0.12);
}

.access-actions,
.learner-actions,
.product-actions,
.portal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.portal-helper,
.portal-note,
.access-status,
.family-mini-copy {
  color: #a9b8d6;
}

.portal-helper,
.portal-note {
  margin: 0;
  font-size: 0.96rem;
}

.access-status.good {
  color: var(--success-deep);
  font-weight: 700;
}

.access-status.warn {
  color: var(--warm-deep);
  font-weight: 700;
}

.suite-grid,
.learner-grid,
.performance-grid {
  display: grid;
  gap: 14px;
}

.suite-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.learner-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.suite-tile,
.learner-tile,
.performance-tile,
.suggestion-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.suite-tile h4,
.learner-tile h4,
.performance-tile h4,
.suggestion-card h4 {
  margin: 0 0 8px;
  color: #f4f6fb;
}

.suite-tile p,
.learner-tile p,
.performance-tile p,
.suggestion-card p,
.access-card h3,
.access-card h4,
.access-card label,
.access-card strong {
  color: #f4f6fb;
}

.suite-state {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.suite-state.active {
  background: rgba(46, 204, 113, 0.14);
  color: var(--success-deep);
}

.suite-state.locked {
  background: rgba(255, 159, 67, 0.14);
  color: var(--warm-deep);
}

.learner-tile-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.learner-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.learner-avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #f4f6fb;
}

.learner-mini-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.learner-mini-progress span {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #dbe7ff;
  font-size: 0.88rem;
  font-weight: 700;
}

.learner-avatar-preview {
  min-height: 60px;
  display: flex;
  align-items: center;
}

.danger-button {
  background: rgba(255, 107, 107, 0.12);
  color: #ffb0b0;
  border: 1px solid rgba(255, 107, 107, 0.26);
}

.performance-tile strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: #f4f6fb;
}

.suggestion-card {
  background:
    radial-gradient(circle at 0% 0%, rgba(0, 168, 107, 0.16), transparent 45%),
    radial-gradient(circle at 100% 0%, rgba(236, 72, 153, 0.08), transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(245, 158, 11, 0.06), transparent 50%),
    #12294f;
}

.family-mini-panel {
  display: grid;
  gap: 10px;
}

button,
input,
textarea {
  font: inherit;
}

.nav-link[data-section="practice"],
#practice {
  display: none;
}

#lessonEditor {
  width: 100%;
  min-height: 340px;
  resize: vertical;
  border: 2px solid rgba(255, 159, 67, 0.28);
  border-radius: 22px;
  padding: 18px 20px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--text);
  background: #fffdf9;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

#lessonEditor:focus {
  outline: none;
  border-color: rgba(255, 159, 67, 0.75);
  box-shadow: 0 0 0 4px rgba(255, 159, 67, 0.16);
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-display);
  font-weight: 600;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

.sidebar {
  background:
    radial-gradient(circle at 15% 8%, rgba(255, 209, 102, 0.24), transparent 20%),
    radial-gradient(circle at 90% 92%, rgba(255, 107, 157, 0.22), transparent 22%),
    linear-gradient(180deg, #3a2a8c 0%, #1f2e78 55%, #173660 100%);
  color: #eff5ff;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand h1 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.7rem;
}

.brand-mascot {
  font-size: 1.9rem;
}

.brand h1,
.hero h2,
.section-header h3,
.panel h3,
.hero-card h3 {
  margin: 0;
  line-height: 1.05;
}

.brand-copy,
.hero p,
.panel p,
.lesson-detail li,
.project-detail li {
  color: inherit;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.82rem;
  font-weight: 600;
  color: #6aaeff;
  margin: 0 0 10px;
}

.nav-links {
  display: grid;
  gap: 10px;
}

.nav-link,
.secondary-button,
.primary-button,
.quiz-option,
.lesson-card,
.project-item {
  border: 0;
  border-radius: 18px;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.nav-link,
.secondary-button,
.primary-button {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
}

.nav-link {
  padding: 15px 18px;
  text-align: left;
  background: rgba(255, 255, 255, 0.1);
  color: #eff5ff;
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
  background: linear-gradient(135deg, rgba(255, 159, 67, 0.98), rgba(255, 107, 157, 0.95));
  color: #3a1420;
  transform: translateX(4px);
}

.score-panel {
  margin-top: auto;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 20px;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
  text-align: center;
}

.score-grid span {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--warm);
}

.score-grid label {
  font-size: 0.85rem;
  color: rgba(255, 248, 241, 0.72);
}

.main-panel {
  padding: 28px;
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero > div,
.hero-card,
.panel {
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

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

.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--purple), var(--fun), var(--warm), var(--success));
}

.hero > div:first-child {
  padding: 34px;
}

.hero h2 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
  margin-bottom: 14px;
}

.hero > div:first-child p {
  font-size: 1.1rem;
}

.hero-card {
  padding: 28px;
  background:
    linear-gradient(155deg, rgba(53, 152, 243, 0.94), rgba(28, 61, 110, 0.98)),
    var(--bg-deep);
  color: #f4f8ff;
  display: flex;
  flex-direction: column;
}

.hero-card h3 {
  font-size: 1.5rem;
}

.hero-cta {
  margin-top: auto;
  align-self: flex-start;
  background: linear-gradient(135deg, var(--warm), var(--warm-deep));
  color: #2a1a05;
  font-size: 1.05rem;
  padding: 14px 22px;
}

.content-section {
  display: none;
}

.content-section.active {
  display: block;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.panel {
  padding: 24px;
}

.panel-heading,
.section-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 18px;
}

.progress-bar {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(24, 33, 44, 0.08);
  overflow: hidden;
  margin-bottom: 20px;
}

#progressFill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  border-radius: inherit;
}

.milestone-cards,
.project-list {
  display: grid;
  gap: 14px;
}

.roadmap-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  margin-bottom: 20px;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.stepper-dot {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  background: rgba(53, 152, 243, 0.14);
  color: var(--accent-deep);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.stepper-dot:hover:not(:disabled) {
  transform: translateY(-2px);
}

.stepper-dot.done {
  background: linear-gradient(135deg, var(--success), var(--success-deep));
  color: #ffffff;
}

.stepper-dot.active {
  background: linear-gradient(135deg, var(--purple), var(--fun));
  color: #ffffff;
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.28);
  transform: scale(1.12);
}

.stepper-dot.locked {
  background: rgba(103, 120, 150, 0.14);
  color: var(--muted);
  cursor: not-allowed;
}

.lesson-page-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.lesson-page-indicator {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.95rem;
}

.lesson-page-spacer {
  min-width: 132px;
}

.lesson-advance-status {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.milestone-card,
.lesson-card,
.project-item {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  padding: 18px;
}

.milestone-card.done,
.lesson-card.done {
  outline: 3px solid var(--success-deep);
  background: rgba(46, 204, 113, 0.08);
}

.project-item.active {
  outline: 2px solid rgba(53, 152, 243, 0.55);
}

.milestone-card {
  text-align: left;
  width: 100%;
}

.milestone-card.active,
.lesson-card.active {
  outline: 2px solid rgba(31, 119, 215, 0.65);
  background: linear-gradient(180deg, rgba(244, 249, 255, 1), rgba(233, 242, 254, 1));
}

.lesson-card,
.project-item,
.quiz-option,
.milestone-card,
.flashcard {
  cursor: pointer;
}

.lesson-card {
  text-align: left;
  width: 100%;
}

.lesson-card:hover,
.project-item:hover,
.quiz-option:hover,
.flashcard:hover,
.secondary-button:hover,
.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(23, 36, 50, 0.12);
}

.lesson-card.active {
  box-shadow: 0 16px 36px rgba(31, 119, 215, 0.18);
}

.lesson-card-summary {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.lesson-card-summary h4,
.lesson-card-summary p {
  margin: 0;
}

.lesson-card-cta {
  font-size: 0.9rem;
  color: var(--accent-deep);
  font-weight: 600;
}

.lesson-card.locked {
  opacity: 0.55;
}

.lesson-card.locked .lesson-card-summary {
  cursor: not-allowed;
}

.lesson-card.locked:hover {
  transform: none;
  box-shadow: none;
}

.lesson-card.locked .lesson-card-cta {
  color: var(--muted);
}

.milestone-card.locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.milestone-card.locked:hover {
  transform: none;
  box-shadow: none;
}

.lesson-card-summary:disabled,
.milestone-card:disabled {
  cursor: not-allowed;
}

.lesson-expanded {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(31, 119, 215, 0.18);
  display: grid;
  gap: 14px;
}

.lesson-expanded h5,
.lesson-expanded p {
  margin: 0;
}

.lesson-expanded ul {
  margin: 0;
  padding-left: 18px;
}

.lesson-meta,
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 12px;
  background: rgba(53, 152, 243, 0.12);
  color: #1f5ea4;
  font-size: 0.9rem;
  font-weight: 600;
}

.badge-beginner {
  background: rgba(46, 204, 113, 0.16);
  color: var(--success-deep);
}

.badge-intermediate {
  background: rgba(124, 92, 255, 0.16);
  color: var(--purple-deep);
}

.badge-advanced {
  background: rgba(255, 107, 157, 0.18);
  color: var(--fun-deep);
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.checklist li {
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  font-size: 1.02rem;
}

.guidance-page {
  display: grid;
  gap: 14px;
  min-height: 170px;
  align-content: space-between;
}

.guidance-step-label,
.guidance-step-copy {
  margin: 0;
}

.guidance-step-label {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--fun-deep);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.guidance-step-copy {
  font-size: 1.22rem;
  font-weight: 700;
  line-height: 1.7;
  color: #23406f;
}

.guidance-controls {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.flashcard {
  min-height: 220px;
  padding: 24px;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(74, 167, 255, 0.94), rgba(47, 141, 242, 0.9)),
    var(--accent);
  color: #133055;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.flashcard p {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.5;
}

.hidden {
  display: none;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tag {
  padding: 12px 16px;
  border-radius: 999px;
  background: #1d3f71;
  color: #eef5ff;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92rem;
}

.lesson-detail ul,
.project-detail ul {
  padding-left: 18px;
}

.lesson-guide {
  display: grid;
  gap: 16px;
}

.lesson-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.lesson-guide-card {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(249, 245, 255, 0.98));
  border: 1px solid rgba(124, 92, 255, 0.14);
  box-shadow: 0 10px 24px rgba(97, 66, 224, 0.08);
}

.lesson-guide-main {
  background: linear-gradient(135deg, rgba(255, 249, 239, 1), rgba(255, 242, 219, 1));
  border-color: rgba(255, 159, 67, 0.24);
}

.lesson-guide-card h4,
.lesson-guide-card p,
.lesson-guide-card pre {
  margin: 0;
}

.lesson-guide-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.lesson-guide-card pre {
  margin-top: 8px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(29, 47, 79, 0.06);
  white-space: pre-wrap;
}

.lesson-detail-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 4px;
}

.lesson-detail {
  display: grid;
  gap: 16px;
}

.listen-controls {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.listen-button {
  padding: 12px 16px;
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  background: rgba(124, 92, 255, 0.14);
  color: var(--purple-deep);
}

.listen-button:hover {
  transform: translateY(-1px);
}

.listen-stop {
  background: rgba(255, 107, 107, 0.14);
  color: var(--danger-deep);
}

.listen-pause {
  background: rgba(255, 209, 102, 0.18);
  color: #8b5a00;
}

.listen-status {
  display: block;
  font-size: 0.9rem;
  color: var(--purple-deep);
  font-weight: 600;
  min-height: 1.2em;
  margin: 4px 0 10px;
}

.lesson-detail code,
.challenge-card pre,
.project-detail code {
  font-family: "IBM Plex Mono", monospace;
  background: rgba(24, 33, 44, 0.06);
  padding: 2px 6px;
  border-radius: 8px;
  font-size: 1rem;
}

.lesson-detail pre {
  font-family: "IBM Plex Mono", monospace;
  font-size: 1rem;
  line-height: 1.6;
  background: rgba(24, 33, 44, 0.06);
  padding: 18px;
  border-radius: 18px;
  white-space: pre-wrap;
  overflow-x: auto;
}

.quiz-card,
.challenge-card,
.project-detail,
.practice-workspace {
  display: grid;
  gap: 14px;
}

.practice-lab {
  display: grid;
  gap: 24px;
}

.practice-hero {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 30px;
  border-radius: 28px;
  background: linear-gradient(155deg, #23406f 0%, #162c4f 60%, #ff9f43 180%);
  color: #f3f7ff;
  border: 1px solid rgba(106, 174, 255, 0.18);
  box-shadow: var(--shadow);
}

.practice-hero-copy h3 {
  font-size: 1.9rem;
}

.practice-hero-copy h3,
.practice-main h3,
.practice-sidebar h3,
.practice-module-card h4,
.practice-panel h4 {
  margin: 0;
}

.practice-hero-copy p {
  margin: 10px 0 0;
  color: rgba(243, 247, 255, 0.84);
  max-width: 760px;
}

.practice-hero-actions,
.practice-actions,
.practice-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.practice-shell {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 24px;
}

.practice-sidebar,
.practice-main {
  background: linear-gradient(180deg, #1a3158 0%, #152948 100%);
  border-radius: 28px;
  color: #f1f6ff;
  border: 1px solid rgba(106, 174, 255, 0.16);
  box-shadow: var(--shadow);
}

.practice-sidebar {
  padding: 20px;
  display: grid;
  gap: 18px;
  align-content: start;
}

.practice-main {
  padding: 20px;
  display: grid;
  gap: 18px;
}

.practice-panel {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(106, 174, 255, 0.12);
  border-radius: 22px;
  padding: 18px;
  display: grid;
  gap: 12px;
}

.practice-sidebar .secondary-button,
.practice-sidebar .primary-button,
.practice-hero .secondary-button,
.practice-hero .primary-button {
  background: rgba(255, 255, 255, 0.08);
  color: #eff5ff;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.practice-sidebar .primary-button,
.practice-hero .primary-button {
  background: linear-gradient(135deg, var(--purple), var(--fun));
  border-color: transparent;
}

.practice-section-select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  color: #eff5ff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font: inherit;
}

.practice-module-card {
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(74, 167, 255, 0.92), rgba(53, 152, 243, 0.82));
  color: #f5faff;
}

.practice-module-card p,
.practice-panel p,
.practice-main p,
.practice-sidebar p {
  margin: 0;
}

.practice-progress-grid {
  display: grid;
  gap: 10px;
}

.practice-progress-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.practice-main-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.practice-status-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.practice-pill {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #f2f7ff;
  font-weight: 600;
}

.practice-progress-bar {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.practice-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(74, 167, 255, 1), rgba(53, 152, 243, 0.9));
}

.practice-editor-card,
.practice-flashcards-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(106, 174, 255, 0.12);
  border-radius: 24px;
  padding: 18px;
  display: grid;
  gap: 14px;
}

.editor-label {
  margin: 4px 0 0;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--warm);
}

.practice-workspace textarea {
  width: 100%;
  min-height: 280px;
  resize: vertical;
  border: 2px solid rgba(106, 174, 255, 0.3);
  border-radius: 20px;
  padding: 20px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.08rem;
  line-height: 1.7;
  color: #eff5ff;
  background: rgba(8, 18, 35, 0.55);
}

.practice-workspace textarea:focus {
  outline: none;
  border-color: var(--warm);
}

.practice-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.practice-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.practice-checklist {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.solution-box {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(31, 119, 215, 0.22);
  background: rgba(74, 167, 255, 0.1);
  color: #eff6ff;
}

.run-button {
  padding: 14px 22px;
  border: 2px solid transparent;
  border-radius: 18px;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: #0d3320;
  background: linear-gradient(135deg, var(--success), var(--success-deep));
  box-shadow: 0 10px 22px rgba(35, 164, 99, 0.35);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.run-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(35, 164, 99, 0.4);
}

.run-button:active {
  transform: translateY(1px);
}

.run-output-card {
  border-radius: 22px;
  padding: 18px;
  background: rgba(8, 18, 35, 0.6);
  border: 1px solid rgba(106, 174, 255, 0.16);
  display: grid;
  gap: 12px;
  width: 100%;
}

.run-output-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.run-output-head h4 {
  margin: 0;
  color: #f1f6ff;
}

.run-status {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: #dce8fb;
}

.run-status.running {
  background: rgba(255, 159, 67, 0.22);
  color: var(--warm);
}

.run-status.success {
  background: rgba(46, 204, 113, 0.2);
  color: #6ee7a0;
}

.run-status.error {
  background: rgba(255, 107, 107, 0.2);
  color: #ff9d9d;
}

.code-output {
  margin: 0;
  min-height: 80px;
  max-height: 260px;
  overflow-y: auto;
  padding: 16px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.32);
  color: #d7f9e1;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  width: 100%;
}

.turtle-target {
  display: flex;
  justify-content: center;
  border-radius: 16px;
  overflow: hidden;
  background: #ffffff;
}

.turtle-target:empty {
  display: none;
}

.solution-box pre {
  margin: 0 0 12px;
  white-space: pre-wrap;
  overflow-x: auto;
}

.flashcard-stack {
  display: grid;
  gap: 14px;
}

.practice-flashcard {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(106, 174, 255, 0.14);
  cursor: pointer;
}

.practice-flashcard p {
  margin: 0;
}

@media (max-width: 1100px) {
  .practice-shell {
    grid-template-columns: 1fr;
  }

  .practice-hero {
    flex-direction: column;
    align-items: start;
  }
}

.roadmap-list {
  display: grid;
  gap: 18px;
}

.roadmap-slide-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.roadmap-slide-header h4,
.roadmap-card-button h4 {
  margin: 0;
}

.roadmap-slide-controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.roadmap-slide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.roadmap-slide-card {
  min-height: 220px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  overflow: hidden;
}

.roadmap-card-button {
  width: 100%;
  height: 100%;
  border: 0;
  padding: 22px;
  border-radius: 24px;
  background: transparent;
  color: inherit;
  text-align: left;
  display: grid;
  align-content: start;
  gap: 12px;
  cursor: pointer;
}

.roadmap-card-button:disabled {
  cursor: not-allowed;
}

.roadmap-slide-card.active {
  outline: 2px solid rgba(31, 119, 215, 0.65);
  box-shadow: 0 16px 36px rgba(31, 119, 215, 0.18);
}

.roadmap-slide-card.done {
  outline: 3px solid var(--success-deep);
  background: rgba(46, 204, 113, 0.08);
}

.roadmap-slide-card.locked {
  opacity: 0.55;
}

.roadmap-slide-single {
  grid-template-columns: 1fr;
}

.roadmap-slide-single .roadmap-slide-card {
  max-width: 100%;
}

.roadmap-slide-single .roadmap-card-button {
  min-height: 260px;
}

@media (max-width: 1024px) {
  .roadmap-slide-grid {
    grid-template-columns: 1fr;
  }
}

.quiz-options {
  display: grid;
  gap: 10px;
}

.quiz-option {
  padding: 16px;
  text-align: left;
  font-size: 1.02rem;
  background: var(--panel-strong);
  border: 2px solid var(--line);
}

.quiz-option.correct {
  background: rgba(46, 204, 113, 0.18);
  border-color: var(--success-deep);
  color: #1c6b41;
}

.quiz-option.wrong {
  background: rgba(255, 107, 107, 0.14);
  border-color: var(--danger-deep);
  color: #a03a37;
}

.feedback {
  padding: 16px 18px;
  border-radius: 16px;
  font-size: 1.02rem;
  background: rgba(24, 33, 44, 0.05);
  border: 1px solid var(--line);
}

.secondary-button,
.primary-button {
  padding: 14px 20px;
  border: 2px solid transparent;
  cursor: pointer;
}

.secondary-button {
  background: rgba(124, 92, 255, 0.12);
  color: var(--purple-deep);
}

.primary-button {
  background: linear-gradient(135deg, var(--purple), var(--fun));
  color: #fdf7ff;
  box-shadow: 0 10px 22px rgba(124, 92, 255, 0.3);
}

.primary-button:active,
.secondary-button:active {
  transform: translateY(1px);
}

.challenge-card pre {
  white-space: pre-wrap;
  padding: 16px;
  border-radius: 18px;
  overflow-x: auto;
}

.section-header {
  margin-bottom: 20px;
}

.lesson-guide-card h4 {
  color: var(--purple-deep);
  font-size: 1.28rem;
  margin-bottom: 8px;
}

.lesson-guide-card li,
.lesson-guide-card p,
.lesson-guide-card pre {
  font-size: 1.08rem;
  line-height: 1.7;
}

.lesson-focus-copy {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-deep);
}

.read-along-card {
  padding: 22px 24px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.12), rgba(255, 159, 67, 0.16));
  border: 1px solid rgba(124, 92, 255, 0.18);
  box-shadow: 0 10px 24px rgba(97, 66, 224, 0.08);
}

.read-along-card h4 {
  margin: 0 0 12px;
  font-size: 1.5rem;
  color: var(--purple-deep);
}

.read-along-text {
  margin: 0;
  font-size: 1.42rem;
  font-weight: 800;
  line-height: 2;
  color: #23406f;
}

.read-along-chunk {
  display: inline;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.read-along-chunk:hover {
  color: var(--fun-deep);
  text-decoration: underline;
}

.read-along-word {
  background: linear-gradient(135deg, rgba(255, 209, 102, 0.9), rgba(255, 159, 67, 0.95));
  color: #7a2f00;
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 900;
}

.lesson-detail h3 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #1f2e78;
}

.lesson-detail h4 {
  font-size: 1.35rem;
  color: var(--warm-deep);
}

.lesson-detail li,
.lesson-detail p {
  font-size: 1.08rem;
}

.dashboard-grid:first-of-type {
  grid-template-columns: 1fr;
}

.dashboard-grid:first-of-type > .panel:last-child {
  display: none;
}

#dashboard > .dashboard-grid:not(:first-of-type) {
  display: none;
}

.hero {
  grid-template-columns: 1fr;
}

.hero-card {
  display: none;
}

.mastery-page-card {
  display: grid;
  gap: 16px;
  padding: 8px 4px;
}

.mastery-page-card h4,
.mastery-page-card p {
  margin: 0;
}

.mastery-page-card h4 {
  font-size: 1.7rem;
  color: #1f2e78;
}

.mastery-page-card p {
  font-size: 1.08rem;
  line-height: 1.7;
}

.mastery-page-card.locked {
  opacity: 0.72;
}

.mastery-page-card.done {
  border-radius: 24px;
  background: rgba(46, 204, 113, 0.08);
  padding: 18px;
}

.mastery-page-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.mastery-page-indicator {
  font-weight: 700;
  color: var(--purple-deep);
}

.lesson-stage-switcher {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.lesson-stage-indicator {
  font-size: 1.05rem;
  font-weight: 800;
  color: #1f2e78;
  text-align: center;
}

.lesson-stage-panel {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
}

.lesson-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 24px;
  align-items: start;
}

.lesson-code-panel,
.lesson-output-panel {
  min-width: 0;
}

.lesson-output-panel .run-output-card {
  height: 100%;
}

.lesson-output-panel .code-output {
  min-height: 320px;
}

.lesson-wrap-single {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.lesson-wrap-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 24px;
  display: grid;
  gap: 16px;
  box-shadow: 0 18px 40px rgba(47, 84, 160, 0.08);
}

.lesson-wrap-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.lesson-flash-card {
  border: 0;
  border-radius: 28px;
  min-height: 220px;
  padding: 28px;
  text-align: left;
  font-size: 1.9rem;
  line-height: 1.45;
  color: #173b70;
  background: linear-gradient(135deg, #5ea9ff, #2f86eb);
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22);
}

.lesson-wrap-actions {
  display: flex;
  justify-content: flex-start;
}

.lesson-wrap-pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.lesson-skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.lesson-skill-pill {
  padding: 14px 20px;
  border-radius: 999px;
  background: #234b87;
  color: #f4f8ff;
  font-family: "Fira Code", "Courier New", monospace;
  font-size: 1.1rem;
}

.lesson-wrap-question {
  font-size: 1.18rem;
  line-height: 1.7;
  color: #1f2e78;
}

@keyframes buddy-talk {
  from {
    transform: translateX(-50%) scaleY(0.85);
  }

  to {
    transform: translateX(-50%) scaleY(1.25);
  }
}

@media (max-width: 1024px) {
  .access-grid,
  .suite-grid,
  .learner-grid,
  .performance-grid {
    grid-template-columns: 1fr;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
  }

  .hero,
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

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

  .lesson-stage-switcher {
    flex-direction: column;
    align-items: stretch;
  }

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

  .lesson-buddy {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .buddy-bubble::before {
    display: none;
  }
}

@media (max-width: 680px) {
  .access-portal {
    padding: 18px 16px 32px;
  }

  .auth-shell {
    width: min(100%, calc(100% - 8px));
    padding: 18px 0;
  }

  .auth-card {
    padding: 20px;
  }

  .auth-input-grid {
    grid-template-columns: 1fr;
  }

  .access-hero,
  .access-card,
  .suggestion-card {
    padding: 20px;
  }

  .main-panel {
    padding: 18px;
  }

  .sidebar {
    padding: 20px;
  }

  .hero > div:first-child,
  .hero-card,
  .panel {
    padding: 20px;
  }
}