/* OkuPratik's shared presentation layer. State, route access and progress
   continue to come from app.js and the server. */
:root {
  --ui-ink: #17234d;
  --ui-muted: #67718b;
  --ui-brand: #3454ed;
  --ui-brand-hover: #2441cd;
  --ui-brand-soft: #eef2ff;
  --ui-teal: #087e79;
  --ui-teal-soft: #eafaf5;
  --ui-yellow: #a36a0a;
  --ui-yellow-soft: #fff8df;
  --ui-coral: #b95439;
  --ui-coral-soft: #fff0e9;
  --ui-purple: #7250c9;
  --ui-purple-soft: #f3efff;
  --ui-line: #e2e7f1;
  --ui-canvas: #f5f7fc;
  --ui-surface: #ffffff;
  --ui-success: #177456;
  --ui-success-soft: #eaf8f0;
  --ui-danger: #ba3949;
  --ui-danger-soft: #fff0f2;
  --ui-shadow: 0 5px 22px rgb(33 54 102 / 5%);
  --ui-space: 18px;
  --ui-radius: 20px;
  --bg: var(--ui-canvas);
  --surface: var(--ui-surface);
  --text: var(--ui-ink);
  --muted: var(--ui-muted);
  --border: var(--ui-line);
  --primary: var(--ui-brand);
  --primary-hover: var(--ui-brand-hover);
  --primary-soft: var(--ui-brand-soft);
  --danger: var(--ui-danger);
  --radius: var(--ui-radius);
  --radius-sm: 12px;
  --shadow: var(--ui-shadow);
  --topbar-h: 64px;
  --student-ink: var(--ui-ink);
  --student-muted: var(--ui-muted);
  --student-blue: var(--ui-brand);
  --student-teal: var(--ui-teal);
}

:root[data-theme="dark"] {
  --ui-ink: #e6ecff;
  --ui-muted: #a5b1ce;
  --ui-brand: #6689ff;
  --ui-brand-hover: #5477f1;
  --ui-brand-soft: #222f53;
  --ui-teal: #82dac4;
  --ui-teal-soft: #183c38;
  --ui-yellow: #f0c364;
  --ui-yellow-soft: #3b3220;
  --ui-coral: #f2ac92;
  --ui-coral-soft: #402b2d;
  --ui-purple: #c5aaff;
  --ui-purple-soft: #302643;
  --ui-line: #2e3c55;
  --ui-canvas: #111a2b;
  --ui-surface: #1a2539;
  --ui-success: #8be0b6;
  --ui-success-soft: #173d32;
  --ui-danger: #ffa2ac;
  --ui-danger-soft: #422c35;
  --ui-shadow: 0 5px 22px rgb(0 0 0 / 12%);
}

body {
  background: var(--ui-canvas);
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

.ui-icon {
  display: inline-block;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}

:is(.app, .login-shell, .guest-diagnostic-mode)
  :is(
    button,
    a,
    input,
    textarea,
    select,
    summary,
    [role="radio"],
    [role="checkbox"],
    [tabindex="0"]
  ):focus-visible {
  outline: 3px solid var(--ui-brand);
  outline-offset: 3px;
}

.app .btn,
.login-shell .btn,
.guest-diagnostic-mode .btn {
  min-height: 44px;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease;
}

.app .btn-primary,
.login-shell .btn-primary,
.guest-diagnostic-mode .btn-primary {
  border-color: transparent;
  color: #fff;
  background: var(--ui-brand);
  box-shadow: 0 4px 10px rgb(52 84 237 / 16%);
}

.app .btn-primary:hover,
.login-shell .btn-primary:hover,
.guest-diagnostic-mode .btn-primary:hover {
  background: var(--ui-brand-hover);
}

.app .btn-secondary,
.login-shell .btn-secondary {
  color: var(--ui-ink);
  border-color: var(--ui-line);
  background: var(--ui-surface);
  box-shadow: none;
}

.app .btn-ghost {
  color: var(--ui-muted);
  background: transparent;
  box-shadow: none;
}
.app .btn-sm {
  min-height: 36px;
  padding: 7px 11px;
  font-size: 12px;
}
.app .btn-icon {
  width: 44px;
  min-width: 44px;
  padding: 8px;
}
.app .btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
}

.app :is(input:not([type="radio"]):not([type="checkbox"]), select, textarea),
.login-shell :is(input, select, textarea) {
  max-width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--ui-line);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--ui-ink);
  background: var(--ui-surface);
  font-size: 16px;
}

.app .field > span {
  font-size: 12px;
  color: var(--ui-muted);
  font-weight: 650;
}
.app .card {
  border-color: var(--ui-line);
  border-radius: var(--ui-radius);
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
}
.app .muted {
  color: var(--ui-muted);
}
.app .badge {
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
}
.app .badge-info {
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}
.app .badge-success {
  color: var(--ui-success);
  background: var(--ui-success-soft);
}
.app .badge-warning {
  color: var(--ui-yellow);
  background: var(--ui-yellow-soft);
}
.app :is(.error-banner, .error:not(:empty)) {
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--ui-danger);
  background: var(--ui-danger-soft);
  line-height: 1.5;
}
.app [role="status"]:empty {
  display: none;
}

/* Shared shell: compact context, consistent navigation and real content space. */
.app,
.app.student-shell {
  background: var(--ui-canvas);
}
.app.student-shell {
  --student-ink: var(--ui-ink);
  --student-muted: var(--ui-muted);
  --student-blue: var(--ui-brand);
  --student-teal: var(--ui-teal);
}
.app .sidebar {
  background: var(--ui-surface);
  border-right: 1px solid var(--ui-line);
}
.app .sidebar-brand {
  padding: 25px 22px 18px;
  border-bottom: 0;
}
.app .brand-mark {
  color: var(--ui-ink);
  font-size: 23px;
  font-weight: 850;
  letter-spacing: -0.045em;
}
.app .sidebar-nav {
  gap: 5px;
  padding: 12px;
}
.app .nav-item {
  min-height: 44px;
  gap: 12px;
  padding: 10px 12px;
  color: var(--ui-muted);
  border-radius: 12px;
  font-weight: 600;
}
.app .nav-item:hover {
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}
.app .nav-item.active {
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
  box-shadow: none;
  font-weight: 750;
}
.app .nav-icon {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
}
.app .topbar {
  height: var(--topbar-h);
  padding-inline: 26px;
  background: var(--ui-surface);
  border-bottom: 1px solid var(--ui-line);
  box-shadow: none;
}
.app .topbar-context {
  display: flex;
  align-items: center;
  gap: 12px;
}
.app .topbar-user {
  gap: 8px;
}
.app .tenant-name {
  max-width: 190px;
  color: var(--ui-muted);
  font-size: 12px;
}
.app .topbar-gamification {
  gap: 6px;
  margin: 0;
}
.app .gamification-badge {
  padding: 5px 9px;
  gap: 4px;
  border: 0;
  color: var(--ui-ink);
  background: var(--ui-brand-soft);
  font-size: 12px;
  white-space: nowrap;
}
.app .gamification-badge .ui-icon {
  width: 16px;
  height: 16px;
  color: var(--ui-yellow);
}
.app .gamification-badge:last-child .ui-icon {
  color: var(--ui-coral);
}
.app .user-menu-toggle {
  min-height: 38px;
  padding: 7px 11px;
  border-radius: 11px;
}
.app .user-name {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}
.app .theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  color: var(--ui-purple);
  background: var(--ui-purple-soft);
  border: 0;
}
.app .theme-toggle .ui-icon {
  width: 20px;
  height: 20px;
}
.app .user-menu {
  min-width: 220px;
  border-radius: 16px;
  background: var(--ui-surface);
  border-color: var(--ui-line);
}
.app .user-menu button {
  min-height: 44px;
  color: var(--ui-ink);
}
.app .page {
  padding: 28px clamp(18px, 3vw, 40px) 40px;
}
.app .page-view {
  max-width: 1240px;
  min-width: 0;
}
.app :is(.page-head, .insight-heading) {
  margin-bottom: 20px;
  gap: 16px;
}
.app :is(.page-head, .insight-heading) h2 {
  margin: 0 0 6px;
  color: var(--ui-ink);
  font-size: clamp(24px, 2.7vw, 34px);
  line-height: 1.18;
  letter-spacing: -0.045em;
}
.app :is(.page-head, .insight-heading) p {
  margin: 5px 0 0;
  color: var(--ui-muted);
  font-size: 14px;
  line-height: 1.5;
  max-width: 65ch;
}
.app :is(.insight-eyebrow, .eyebrow) {
  color: var(--ui-brand);
  font-size: 10px;
  letter-spacing: 0.12em;
  line-height: 1.5;
  font-weight: 800;
}
.app .insight-heading .insight-eyebrow {
  margin: 0 0 7px;
}
.app .insight-panel {
  padding: 22px;
  border: 1px solid var(--ui-line);
  border-radius: var(--ui-radius);
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
}
.app .insight-panel h3 {
  color: var(--ui-ink);
  font-size: 19px;
  letter-spacing: -0.02em;
}
.app .insight-panel h4 {
  color: var(--ui-ink);
  font-size: 15px;
}

/* Metrics use label/value pairs rather than tall single-number cards. */
.app :is(.insight-metrics, .measurement-stat-grid, .stat-grid, .management-kpi-grid) {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.app .insight-stat {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  grid-template-areas: "icon label" "icon value";
  gap: 3px 11px;
  align-content: center;
  min-height: 104px;
  padding: 17px;
  border: 1px solid var(--ui-line);
  border-radius: 16px;
  background: var(--ui-surface);
  box-shadow: none;
}
.app .insight-stat > span:first-child {
  grid-area: icon;
  display: grid;
  place-items: center;
  align-self: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  font-size: 20px;
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}
.app .insight-stat > span:nth-child(2) {
  grid-area: label;
  color: var(--ui-muted);
  font-size: 11px;
  font-weight: 600;
}
.app .insight-stat > strong {
  grid-area: value;
  font-size: clamp(19px, 2vw, 26px);
  color: var(--ui-ink);
  line-height: 1.2;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
}
.app :is(.insight-gold, .insight-orange, .insight-purple, .insight-blue, .insight-green) {
  background: var(--ui-surface);
  box-shadow: none;
}
.app .insight-gold > span:first-child {
  color: var(--ui-yellow);
  background: var(--ui-yellow-soft);
}
.app .insight-orange > span:first-child {
  color: var(--ui-coral);
  background: var(--ui-coral-soft);
}
.app .insight-purple > span:first-child {
  color: var(--ui-purple);
  background: var(--ui-purple-soft);
}
.app .insight-green > span:first-child {
  color: var(--ui-teal);
  background: var(--ui-teal-soft);
}
.app :is(.stat-card, .management-kpi-card) {
  padding: 18px;
  min-height: 100px;
  border: 1px solid var(--ui-line);
  border-radius: 16px;
  background: var(--ui-surface);
  box-shadow: none;
}
.app :is(.stat-label, .management-kpi-label) {
  font-size: 12px;
  color: var(--ui-muted);
}
.app :is(.stat-value, .management-kpi-value) {
  margin-top: 8px;
  color: var(--ui-ink);
  font-size: 28px;
  letter-spacing: -0.035em;
}
.app .insight-bar {
  height: 7px;
  border-radius: 999px;
  background: var(--ui-line);
  overflow: hidden;
}
.app .insight-bar > span {
  background: linear-gradient(90deg, var(--ui-brand), var(--ui-teal));
  border-radius: inherit;
}

/* Dashboard and roadmap: one main action, with an unobstructed route. */
.app #home-insights {
  padding: 13px 17px;
  margin: 0 0 18px;
  border: 1px solid var(--ui-line);
  border-radius: 16px;
  background: var(--ui-surface);
  box-shadow: none;
}
.app #home-insights-values {
  gap: 16px;
  color: var(--ui-muted);
  font-size: 13px;
}
.app #home-insights-values > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.app #home-insights-values .ui-icon {
  width: 18px;
  height: 18px;
  color: var(--ui-brand);
}
.app.student-shell #learning-path-card.learning-path-card {
  padding: 24px;
  margin-top: 12px;
  border: 1px solid var(--ui-line);
  border-radius: 24px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
}
.app.student-shell #learning-path-card .learning-map-v6-header h4 {
  color: var(--ui-ink);
  font-size: 26px;
  letter-spacing: -0.04em;
}
.app.student-shell #learning-path-card .learning-map-v6-header p {
  color: var(--ui-muted);
}
.app.student-shell #learning-path-card .learning-map-v6-kicker {
  color: var(--ui-brand);
}
.app.student-shell #learning-path-card .learning-map-v6-summary {
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--ui-ink);
  background: var(--ui-brand-soft);
}
.app.student-shell #learning-path-card .learning-map-v6-route {
  max-width: 880px;
  margin-inline: auto;
}
.app.student-shell #learning-path-card .learning-map-v6-node {
  border-radius: 23px;
}
.app.student-shell #learning-path-card .learning-map-v6-step.completed .learning-map-v6-marker {
  color: var(--ui-success);
  border-color: color-mix(in srgb, var(--ui-success) 30%, var(--ui-line));
  background: var(--ui-success-soft);
}
.app.student-shell #learning-path-card .learning-map-v6-step.locked .learning-map-v6-marker {
  color: var(--ui-muted);
  background: var(--ui-canvas);
  border-color: var(--ui-line);
}
.app.student-shell #learning-path-card .learning-map-v6-step.is-current .learning-map-v6-marker {
  background: var(--ui-brand);
  border-color: var(--ui-brand);
  color: #fff;
  box-shadow:
    0 0 0 7px var(--ui-brand-soft),
    0 8px 18px rgb(52 84 237 / 20%);
}
.app.student-shell #learning-path-card .learning-map-v6-kind {
  color: var(--ui-ink);
}
.app.student-shell #learning-path-card .learning-map-v6-step.completed .learning-map-v6-kind {
  color: var(--ui-success);
}
.app.student-shell #learning-path-card .learning-map-v6-completed-state {
  color: var(--ui-success);
}
.app.student-shell #learning-path-card .learning-map-v6-action {
  color: #fff;
  background: var(--ui-brand);
  box-shadow: none;
}
.app.student-shell #learning-path-card .learning-map-v6-path path {
  stroke: color-mix(in srgb, var(--ui-brand) 24%, var(--ui-line));
}
.app .learning-path-course-header {
  align-items: start;
}
.app .learning-path-course-header-actions {
  min-width: 0;
}
.app .learning-path-course-summary {
  min-width: 0;
  background: var(--ui-surface);
  border-color: var(--ui-line);
}
.app .learning-path-course-layout {
  gap: 20px;
}
.app .learning-path-module-sidebar {
  background: #17254d;
  border-color: #17254d;
  box-shadow: none;
}
.app .learning-path-module-content {
  border-radius: 20px;
  background: var(--ui-surface);
}
.app .learning-path-module-hero {
  padding: 24px;
  color: var(--ui-ink);
  background: var(--ui-brand-soft);
  border-color: var(--ui-line);
}
.app .learning-path-step-card {
  border-color: var(--ui-line);
  border-radius: 14px;
  background: var(--ui-surface);
}

/* Learning content uses readable prose and distinct teaching/example panels. */
.app.student-shell .lesson-layout.is-learning-path,
.app.student-shell .lesson-layout.is-learning-path #lesson-detail {
  max-height: none;
  overflow: visible;
}
.app.student-shell .lesson-layout.is-learning-path #lesson-detail {
  max-width: 940px;
  padding: 24px;
  background: var(--ui-surface);
  border-color: var(--ui-line);
  border-radius: 22px;
  box-shadow: var(--ui-shadow);
}
.app.student-shell .lesson-detail > h3 {
  font-size: clamp(22px, 2.5vw, 28px);
  color: var(--ui-ink);
  letter-spacing: -0.035em;
}
.app.student-shell .learning-path-step-context {
  gap: 6px 10px;
  color: var(--ui-muted);
  margin-bottom: 15px;
}
.app.student-shell .learning-path-step-progress {
  background: var(--ui-brand-soft);
  border-color: transparent;
  color: var(--ui-brand);
}
.app.student-shell .lesson-detail .lesson-objective {
  padding: 12px 15px;
  color: var(--ui-muted);
  background: var(--ui-canvas);
  border: 0;
  font-size: 14px;
}
.app.student-shell .lesson-detail > section {
  padding: 20px;
  margin-top: 16px;
  border: 1px solid var(--ui-line);
  border-radius: 16px;
  background: var(--ui-surface);
}
.app.student-shell .lesson-detail > section:nth-of-type(2) {
  background: var(--ui-teal-soft);
  border-color: transparent;
}
.app.student-shell .lesson-detail > section:nth-of-type(3) {
  background: var(--ui-yellow-soft);
  border-color: transparent;
}
.app.student-shell .lesson-detail > section h4 {
  color: var(--ui-brand);
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 10px;
}
.app.student-shell .lesson-detail > section p {
  max-width: 70ch;
  color: var(--ui-ink);
  font-size: 16px;
  line-height: 1.75;
}
.app .lesson-completed-state {
  color: var(--ui-success);
  background: var(--ui-success-soft);
  min-height: 40px;
}
.app .lesson-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.app .lesson-actions [data-learning-step-back] {
  background: transparent;
  box-shadow: none;
}
.app .lesson-navigation {
  display: flex;
  gap: 10px;
  padding-top: 18px;
  margin-top: 20px;
  border-top: 1px solid var(--ui-line);
}
.app .lesson-navigation .btn {
  flex: 1;
}

/* Question, answer and result components share state colors and natural height. */
.app.student-shell #page-exercise {
  max-width: 1060px;
  max-height: none;
  min-height: auto;
  overflow: visible;
  padding-bottom: 20px;
}
.app.student-shell
  #page-exercise
  :is(#student-reading-card, #exercise-questions-card, #exercise-result-card) {
  max-height: none;
  overflow: visible;
  padding: 20px;
  border-radius: 20px;
  background: var(--ui-surface);
  border-color: var(--ui-line);
}
.app.student-shell #student-exercise-header {
  padding: 12px 15px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-line);
  border-radius: 15px;
  box-shadow: none;
  margin-bottom: 16px;
}
.app.student-shell .learning-path-exercise-context {
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
  border-color: var(--ui-line);
  font-size: 12px;
  border-radius: 10px;
}
.app.student-shell .learning-path-exercise-progress {
  color: var(--ui-brand);
}
.app .progress-track {
  height: 6px;
  background: var(--ui-line);
  border-radius: 999px;
}
.app .progress-fill {
  background: var(--ui-brand);
  border-radius: inherit;
}
.app .reading-card-kicker {
  font-size: 10px;
  color: var(--ui-teal);
  letter-spacing: 0.12em;
  font-weight: 800;
}
.app.student-shell #student-reading-body {
  max-width: 65ch;
  color: var(--ui-ink);
  font-size: 16px;
  line-height: 1.75;
}
.app .student-exercise-content {
  padding: 17px 18px;
  background: var(--ui-brand-soft);
  border: 0;
  border-radius: 15px;
}
.app .student-exercise-content #exercise-prompt {
  color: var(--ui-ink);
  font-weight: 650;
}
.app :is(.exercise-hint, .exercise-explanation) {
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--ui-line);
  background: var(--ui-surface);
}
.app :is(.exercise-hint, .exercise-explanation) summary {
  padding: 12px 14px;
  color: var(--ui-brand);
  font-size: 13px;
  cursor: pointer;
}
.app :is(.exercise-hint, .exercise-explanation) p {
  margin: 0;
  padding: 0 14px 14px;
  color: var(--ui-muted);
  line-height: 1.6;
}
.app.student-shell #exercise-mc-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px !important;
}
.app.student-shell #page-exercise label.answer-card {
  min-height: 52px;
  padding: 13px 15px;
  gap: 14px;
  color: var(--ui-ink);
  border: 1.5px solid var(--ui-line);
  border-radius: 13px;
  background: var(--ui-surface);
  box-shadow: none;
  font-size: 15px;
  line-height: 1.45;
}
.app.student-shell #page-exercise label.answer-card > span {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}
.app.student-shell #page-exercise label.answer-card:hover {
  background: var(--ui-brand-soft);
  border-color: var(--ui-brand);
  transform: none;
}
.app.student-shell #page-exercise label.answer-card.selected {
  background: var(--ui-brand-soft);
  border-color: var(--ui-brand);
  color: var(--ui-ink);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ui-brand) 12%, transparent);
}
.app.student-shell #page-exercise label.answer-card.correct {
  background: var(--ui-success-soft);
  border-color: var(--ui-success);
}
.app.student-shell #page-exercise label.answer-card.wrong {
  background: var(--ui-danger-soft);
  border-color: var(--ui-danger);
}
.app.student-shell #page-exercise label.answer-card::after {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  min-width: 20px;
  border-radius: 50%;
  font-size: 18px;
  color: var(--ui-muted);
}
.app.student-shell #page-exercise label.answer-card.selected::after {
  color: var(--ui-brand);
}
.app .feedback-panel {
  padding: 16px;
  border: 1px solid var(--ui-line);
  border-radius: 15px;
  color: var(--ui-ink);
}
.app .feedback-panel.correct {
  background: var(--ui-success-soft);
  border-color: var(--ui-success);
}
.app .feedback-panel.wrong {
  background: var(--ui-yellow-soft);
  border-color: color-mix(in srgb, var(--ui-yellow) 35%, transparent);
}
.app .feedback-panel.pending {
  background: var(--ui-brand-soft);
  border-color: var(--ui-line);
}
.app .feedback-panel > strong {
  font-size: 16px;
}
.app .exercise-actions {
  margin-top: 14px;
}
.app.student-shell #exercise-submit-attempt {
  min-height: 48px;
  border-radius: 13px;
}
.app .completion-card {
  padding: 24px;
  border-radius: 18px;
  color: var(--ui-ink);
  background: linear-gradient(135deg, var(--ui-brand-soft), var(--ui-teal-soft));
}
.app .completion-card h3 {
  color: var(--ui-ink);
  font-size: 23px;
  letter-spacing: -0.03em;
}
.app .completion-card p {
  color: var(--ui-muted);
}
.app .exercise-result-stats {
  gap: 10px;
}
.app .exercise-result-stats > div {
  padding: 12px;
  border-radius: 12px;
  background: var(--ui-surface);
}
.app .exercise-result-stats dt {
  color: var(--ui-muted);
  font-size: 11px;
}
.app .exercise-result-stats dd {
  color: var(--ui-ink);
  font-size: 24px;
}
.app .learning-path-exercise-navigation {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

/* Training: six distinct skill cards with compact package/result rows. */
.app.student-shell .training-activities-list {
  margin-top: 0;
}
.app.student-shell .training-activities-intro {
  padding: 22px;
  border: 1px solid var(--ui-line);
  border-radius: 22px;
  background: linear-gradient(120deg, var(--ui-brand-soft), var(--ui-surface));
}
.app.student-shell .training-activities-intro h3 {
  color: var(--ui-ink);
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.045em;
  margin: 5px 0 10px;
}
.app.student-shell .training-activities-intro .muted {
  max-width: 60ch;
  font-size: 14px;
}
.app.student-shell .training-independent-note {
  border: 0;
  padding: 9px 0 0;
  margin-top: 4px;
  color: var(--ui-muted);
  background: transparent;
  font-size: 11px;
}
.app.student-shell .training-activities-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.app.student-shell .training-activity-card {
  --activity-color: var(--ui-brand);
  --activity-soft: var(--ui-brand-soft);
  position: relative;
  display: flex;
  gap: 11px;
  padding: 18px;
  border: 1px solid var(--ui-line);
  border-radius: 20px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
}
.app.student-shell .training-activity-card[data-competency="FAST_RECOGNITION"] {
  --activity-color: var(--ui-yellow);
  --activity-soft: var(--ui-yellow-soft);
}
.app.student-shell .training-activity-card[data-competency="RC_MAIN_IDEA"] {
  --activity-color: var(--ui-teal);
  --activity-soft: var(--ui-teal-soft);
}
.app.student-shell .training-activity-card[data-competency="RC_DETAIL"] {
  --activity-color: var(--ui-purple);
  --activity-soft: var(--ui-purple-soft);
}
.app.student-shell .training-activity-card[data-competency="FAST_CHUNKING"] {
  --activity-color: var(--ui-coral);
  --activity-soft: var(--ui-coral-soft);
}
.app.student-shell .training-activity-card[data-competency="RC_INFERENCE"] {
  --activity-color: var(--ui-brand);
  --activity-soft: var(--ui-brand-soft);
}
.app.student-shell .training-activity-card-head {
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
}
.app.student-shell .training-activity-identity {
  gap: 10px;
}
.app.student-shell .training-activity-icon {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 14px;
  color: var(--activity-color);
  background: var(--activity-soft);
}
.app.student-shell .training-activity-kicker {
  color: var(--activity-color);
  font-size: 9px;
  margin: 0 0 3px;
  letter-spacing: 0.08em;
}
.app.student-shell .training-activity-card h4 {
  color: var(--ui-ink);
  font-size: 18px;
  font-weight: 750;
  line-height: 1.25;
}
.app.student-shell .training-activity-status {
  max-width: 95px;
  font-size: 10px;
  padding: 5px 8px;
}
.app.student-shell .training-activity-card > p {
  flex: 0;
  color: var(--ui-muted);
  font-size: 13px;
  line-height: 1.55;
}
.app.student-shell .training-activity-skill {
  font-size: 11px;
  padding: 8px 10px;
  background: var(--activity-soft);
  border-radius: 9px;
}
.app.student-shell .training-activity-skill strong {
  color: var(--activity-color);
  font-size: 12px;
}
.app.student-shell .training-activity-package-track {
  gap: 5px;
}
.app.student-shell .training-activity-package-dot {
  width: 26px;
  height: 26px;
  font-size: 10px;
}
.app.student-shell .training-activity-package-dot.is-available,
.app.student-shell .training-activity-package-dot.is-in_progress {
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
  border-color: var(--ui-brand);
}
.app.student-shell .training-activity-package-dot.is-completed {
  color: var(--ui-success);
  background: var(--ui-success-soft);
  border-color: var(--ui-success);
}
.app.student-shell .training-activity-package-dot.is-locked {
  color: var(--ui-muted);
  background: var(--ui-canvas);
  border-color: var(--ui-line);
}
.app.student-shell .training-activity-card .training-activity-package-hint {
  font-size: 11px;
  margin: 0;
}
.app.student-shell .training-activity-meta {
  color: var(--ui-muted);
  font-size: 11px;
  gap: 5px 12px;
}
.app.student-shell .training-activity-card .btn {
  min-height: 44px;
  margin-top: auto;
  font-size: 13px;
  border-radius: 12px;
}
.app .training-home-card {
  padding: 22px;
  border-color: var(--ui-line);
  background: var(--ui-surface);
}
.app .training-focus-grid {
  gap: 10px;
}
.app .training-focus-card {
  padding: 12px;
  color: var(--ui-ink);
  background: var(--ui-canvas);
  border: 0;
}

/* Assignments and official measurement keep their own identity and data. */
.app.student-shell .student-section-intro {
  position: relative;
  padding: 22px;
  margin-bottom: 18px;
  border: 1px solid var(--ui-line);
  border-radius: 20px;
  color: var(--ui-ink);
  background: linear-gradient(120deg, var(--ui-brand-soft), var(--ui-surface));
}
.app.student-shell .student-section-intro h3 {
  color: var(--ui-ink);
  font-size: 23px;
  line-height: 1.2;
  margin: 4px 0 9px;
  letter-spacing: -0.035em;
}
.app.student-shell .student-section-intro .muted {
  max-width: 65ch;
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}
.app.student-shell .student-section-intro .insight-eyebrow {
  margin: 0 0 8px;
}
.app.student-shell .assessment-intro {
  background: linear-gradient(120deg, var(--ui-teal-soft), var(--ui-surface));
}
.app.student-shell .assessment-intro .insight-eyebrow {
  color: var(--ui-teal);
}
.app .learning-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.app .learning-card {
  padding: 20px;
  border: 1px solid var(--ui-line);
  border-radius: 18px;
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
}
.app .learning-card-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
  font-size: 23px;
}
.app .learning-card h3 {
  color: var(--ui-ink);
  font-size: 18px;
  letter-spacing: -0.02em;
}
.app .learning-card p {
  font-size: 13px;
  color: var(--ui-muted);
}
.app .learning-card-actions {
  gap: 8px;
  flex-wrap: wrap;
}
.app .assessment-icon {
  color: var(--ui-teal);
  background: var(--ui-teal-soft);
}
.app .measurement-skill-grid {
  gap: 14px;
}
.app .measurement-skill-card {
  padding: 18px;
  border-color: var(--ui-line);
  background: var(--ui-surface);
  border-radius: 16px;
}
.app .measurement-section-heading h3 {
  color: var(--ui-ink);
  font-size: 19px;
}
.app .measurement-history {
  padding: 0 18px;
  background: var(--ui-surface);
  border-color: var(--ui-line);
}
.app .measurement-history-item {
  border-color: var(--ui-line);
}
.app .measurement-history-icon {
  color: var(--ui-teal);
  background: var(--ui-teal-soft);
}
.app :is(.empty-learning-state, .measurement-empty, .management-empty-state) {
  padding: 24px;
  border: 1px dashed var(--ui-line);
  border-radius: 18px;
  background: var(--ui-surface);
  color: var(--ui-muted);
}
.app .empty-learning-state h3 {
  color: var(--ui-ink);
  font-size: 18px;
}
.app.student-shell #student-assignment-recommendations {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface);
}
.app.student-shell #student-assignment-recommendations h3 {
  font-size: 18px;
}
.app.student-shell #student-assignment-recommendations p {
  font-size: 13px;
}

/* Progress, rewards, profile and billing share compact sections and tables. */
.app .insight-columns {
  gap: 20px;
}
.app .skill-progress-card {
  padding: 18px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-line);
  border-radius: 16px;
}
.app .skill-progress-card h4 {
  color: var(--ui-ink);
  font-size: 16px;
}
.app .skill-title > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}
.app .skill-stage {
  color: var(--ui-teal);
  background: var(--ui-teal-soft);
  font-size: 10px;
}
.app .onboarding-card.card {
  border: 1px solid var(--ui-line);
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
  padding: 28px;
}
.app .onboarding-card h1 {
  color: var(--ui-ink);
  font-size: 28px;
  letter-spacing: -0.035em;
}
.app .onboarding-lead {
  color: var(--ui-muted);
  font-size: 14px;
}
.app .onboarding-mascot {
  display: grid;
  place-items: center;
  background: var(--ui-brand-soft);
  color: var(--ui-brand);
}
.app .onboarding-mascot .ui-icon {
  width: 40px;
  height: 40px;
}
.app :is(.onboarding-step-icon, .goal-icon) {
  display: grid;
  place-items: center;
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}
.app .management-kpi-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: var(--ui-brand);
  background: var(--ui-brand-soft);
}
.app .analytics-kpi-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.app .analytics-columns > .card {
  padding: 20px;
}
.app .management-section-heading h3 {
  color: var(--ui-ink);
  font-size: 20px;
}
.app .goal-card {
  border-color: var(--ui-line);
  border-radius: 14px;
  background: var(--ui-surface);
}
.app .goal-card.active {
  border-color: var(--ui-brand);
  background: var(--ui-brand-soft);
}
.app .onboarding-dot.active {
  background: var(--ui-brand);
}
.app .insight-path {
  background: linear-gradient(120deg, var(--ui-brand-soft), var(--ui-surface));
  border-color: var(--ui-line);
}
.app .insight-streak {
  background: var(--ui-coral-soft);
  border-color: transparent;
}
.app .development-achievements {
  background: var(--ui-surface);
  border-color: var(--ui-line);
}
.app :is(.development-journey-summary, .development-comparison-card) {
  padding: 15px;
  color: var(--ui-ink);
  background: var(--ui-brand-soft);
  border-color: var(--ui-line);
  border-radius: 14px;
}
.app .development-summary {
  margin: 14px 0;
  color: var(--ui-muted);
}
.app .development-summary strong {
  color: var(--ui-ink);
  font-size: 23px;
}
.app :is(.development-award, .gamification-badge-card) {
  color: var(--ui-ink);
  background: var(--ui-purple-soft);
  border-color: transparent;
}
.app .insight-facts {
  color: var(--ui-muted);
}
.app .insight-facts strong {
  color: var(--ui-ink);
}
.app .settings-card {
  padding: 24px;
  margin-bottom: 18px;
}
.app .settings-card h3 {
  font-size: 20px;
  color: var(--ui-ink);
}
.app .settings-card > div > p {
  font-size: 13px;
}
.app .settings-form {
  gap: 16px;
}
.app .settings-form .btn {
  justify-self: start;
}
.app :is(.entitlement-card, .premium-info-card, .billing-account-card) {
  padding: 20px;
  border: 1px solid var(--ui-line);
  border-radius: 20px;
  background: var(--ui-surface);
}
.app .entitlement-usage-row {
  color: var(--ui-ink);
  background: var(--ui-brand-soft);
}

/* Management and analytics stay neutral, legible and dense enough for data. */
.app:not(.student-shell) .page-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.app:not(.student-shell) .page-head > div {
  min-width: 0;
}
.app:not(.student-shell) .data-table {
  font-size: 13px;
}
.app:not(.student-shell) .data-table th {
  padding: 13px 16px;
  color: var(--ui-muted);
  background: var(--ui-canvas);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.025em;
}
.app:not(.student-shell) .data-table td {
  padding: 13px 16px;
  border-color: var(--ui-line);
  color: var(--ui-ink);
}
.app:not(.student-shell) .data-table tbody tr:hover {
  background: var(--ui-brand-soft);
}
.app .table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border-radius: 16px;
}
.app :is(.analytics-range-controls, .analytics-filter-controls, .management-dashboard-controls) {
  padding: 13px;
  gap: 12px;
  border: 1px solid var(--ui-line);
  border-radius: 15px;
  background: var(--ui-surface);
}
.app :is(.analytics-columns, .analytics-detail-columns) {
  gap: 18px;
}
.app .analytics-section {
  margin-top: 24px;
}
.app .analytics-detail-card {
  padding: 22px;
}
.app .analytics-detail-grid article {
  padding: 14px;
  background: var(--ui-canvas);
  border-radius: 12px;
  border: 0;
}
.app :is(.info-item, .detail-item) {
  min-width: 0;
}
.app :is(.info-item dd, .detail-item dd) {
  overflow-wrap: anywhere;
}
.app :is(.modal, .premium-dialog),
dialog {
  color: var(--ui-ink);
  border-color: var(--ui-line);
  background: var(--ui-surface);
  border-radius: 22px;
  box-shadow: 0 20px 70px rgb(19 33 70 / 20%);
}
.app .modal {
  max-height: calc(100dvh - 36px);
}
.app :is(.modal-head, .modal-foot, .modal-actions) {
  padding: 16px 20px;
  border-color: var(--ui-line);
}
.app .modal-body {
  padding: 20px;
  overflow-y: auto;
}
dialog {
  max-width: min(640px, calc(100vw - 28px));
  max-height: calc(100dvh - 28px);
}
dialog::backdrop {
  background: rgb(17 30 62 / 45%);
}

/* Public welcome stays familiar; auth and diagnostic share the app's language. */
.login-shell {
  background: linear-gradient(135deg, var(--ui-brand-soft), var(--ui-canvas), var(--ui-teal-soft));
  padding: 30px 18px;
}
.login-card {
  width: min(100%, 460px);
  padding: 32px;
  border-radius: 26px;
  border-color: var(--ui-line);
  background: var(--ui-surface);
  box-shadow: var(--ui-shadow);
}
.login-shell .brand h1 {
  color: var(--ui-ink);
  font-size: 29px;
  letter-spacing: -0.045em;
}
.login-shell .brand > p {
  color: var(--ui-muted);
  font-size: 14px;
}
.login-shell .social-login {
  border-color: var(--ui-line);
}
.login-shell .brand-lockup-icon {
  background: var(--ui-brand);
}
.guest-diagnostic-mode {
  height: auto;
  min-height: 100dvh;
  background: var(--ui-canvas);
}
.guest-diagnostic-mode .guest-card {
  height: auto;
  min-height: calc(100dvh - 24px);
  padding: 24px;
  max-width: 1100px;
  background: var(--ui-surface);
  border-color: var(--ui-line);
}
.guest-diagnostic-mode .guest-nav {
  display: none;
}
.guest-diagnostic-mode #guest-question-view:not(.hidden) {
  flex: none;
  min-height: auto;
  overflow: visible;
  margin-top: 24px;
  padding: 20px;
  border-radius: 20px;
  background: var(--ui-surface);
  border: 1px solid var(--ui-line);
}
.guest-diagnostic-mode #guest-question-view > .guest-passage {
  max-height: none;
  overflow: visible;
  padding: 20px;
  background: var(--ui-brand-soft);
  border-color: var(--ui-line);
}
.guest-diagnostic-mode .guest-passage-body {
  color: var(--ui-ink);
  font-size: 16px;
  line-height: 1.7;
}
.guest-diagnostic-mode .guest-question-help {
  font-size: 12px;
}
.guest-diagnostic-mode .guest-question-prompt {
  color: var(--ui-ink);
  font-size: 17px;
  line-height: 1.6;
}
.guest-diagnostic-mode .guest-progress-track {
  background: var(--ui-line);
  height: 7px;
}
.guest-diagnostic-mode .guest-progress-track > span {
  background: var(--ui-teal);
}
.guest-diagnostic-mode .guest-answer-option {
  min-height: 52px;
  padding: 13px 15px;
  border: 1.5px solid var(--ui-line);
  border-radius: 13px;
  color: var(--ui-ink);
  background: var(--ui-surface);
  font-size: 15px;
}
.guest-diagnostic-mode .guest-answer-option.selected {
  border-color: var(--ui-brand);
  background: var(--ui-brand-soft);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--ui-brand) 12%, transparent);
}
.guest-diagnostic-mode #guest-answer-submit {
  min-height: 48px;
  margin-top: 14px;
  background: var(--ui-brand);
}
.guest-diagnostic-mode .guest-answer-feedback {
  padding: 15px;
  background: var(--ui-brand-soft);
  color: var(--ui-ink);
  border-color: var(--ui-line);
}

@media (min-width: 1024px) {
  .app.student-shell
    #page-exercise:has(#student-reading-card[style*="display: block"]):has(
      #exercise-questions-card[style*="display: block"]
    ) {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    grid-template-areas: "header header" "status status" "retry retry" "reading instructions" "reading questions" "result result" "navigation navigation";
    gap: 12px 20px;
    align-items: start;
  }
  .app.student-shell #page-exercise #student-exercise-header {
    grid-area: header;
  }
  .app.student-shell #page-exercise #exercise-load-status {
    grid-area: status;
  }
  .app.student-shell #page-exercise #exercise-retry-load {
    grid-area: retry;
  }
  .app.student-shell #page-exercise #student-reading-card {
    grid-area: reading;
  }
  .app.student-shell #page-exercise #exercise-training-instructions {
    grid-area: instructions;
  }
  .app.student-shell #page-exercise #exercise-questions-card {
    grid-area: questions;
  }
  .app.student-shell #page-exercise #exercise-result-card {
    grid-area: result;
  }
  .app.student-shell #page-exercise #exercise-learning-path-navigation {
    grid-area: navigation;
  }
}

@media (max-width: 1100px) {
  .app.student-shell .training-activities-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .app .measurement-skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .app .analytics-range-controls {
    flex-wrap: wrap;
  }
}

@media (max-width: 768px) {
  :root {
    --ui-space: 14px;
  }
  .app .topbar {
    height: 64px;
    min-height: 64px;
    padding: 0 14px;
    gap: 6px;
  }
  .app .topbar-context {
    display: grid;
    gap: 2px;
    justify-items: start;
  }
  .app .topbar-context .tenant-name {
    font-size: 10px;
    max-width: 130px;
    line-height: 1.15;
  }
  .app .topbar-gamification {
    gap: 5px;
    margin: 0;
  }
  .app .gamification-badge {
    padding: 3px 6px;
    font-size: 11px;
    min-height: 22px;
  }
  .app .user-name {
    max-width: 105px;
    font-size: 12px;
  }
  .app .user-menu-toggle {
    min-height: 36px;
    padding: 6px 9px;
  }
  .app .theme-toggle {
    width: 34px;
    height: 34px;
  }
  .app .context-switcher {
    max-width: 150px;
    margin: 0;
    min-height: 32px;
    padding: 3px 7px;
    font-size: 12px;
  }
  .app .page {
    padding: 20px 14px 24px;
  }
  .app.student-shell .app-main {
    padding-bottom: calc(72px + env(safe-area-inset-bottom));
  }
  .app.student-shell .student-bottom-nav {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    height: auto;
    min-height: 66px;
    padding: 5px 6px calc(5px + env(safe-area-inset-bottom));
    background: var(--ui-surface);
    border-color: var(--ui-line);
    box-shadow: 0 -3px 20px rgb(31 47 84 / 4%);
  }
  .app.student-shell .bottom-nav-item {
    min-width: 0;
    min-height: 52px;
    gap: 4px;
    padding: 7px 2px;
    border-radius: 12px;
    color: var(--ui-muted);
  }
  .app.student-shell .bottom-nav-item.active {
    color: var(--ui-brand);
    background: var(--ui-brand-soft);
  }
  .app.student-shell .bottom-nav-icon {
    display: grid;
    place-items: center;
    width: 23px;
    height: 23px;
  }
  .app.student-shell .bottom-nav-icon .ui-icon {
    width: 22px;
    height: 22px;
  }
  .app.student-shell .bottom-nav-label {
    font-size: 9px;
    line-height: 1.25;
    font-weight: 700;
    white-space: nowrap;
  }
  .app :is(.page-head, .insight-heading) {
    margin-bottom: 17px;
  }
  .app :is(.page-head, .insight-heading) h2 {
    font-size: 25px;
  }
  .app :is(.page-head, .insight-heading) p {
    font-size: 13px;
  }
  .app .insight-heading {
    align-items: start;
  }
  .app .insight-heading .btn {
    min-height: 36px;
    padding: 8px 10px;
    font-size: 12px;
  }
  .app .insight-panel {
    padding: 18px;
  }
  .app :is(.insight-metrics, .measurement-stat-grid, .stat-grid, .management-kpi-grid) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .app .insight-stat {
    grid-template-columns: 30px minmax(0, 1fr);
    padding: 13px;
    gap: 4px 9px;
    min-height: 98px;
    border-radius: 15px;
  }
  .app .insight-stat > span:first-child {
    width: 30px;
    height: 30px;
    border-radius: 9px;
  }
  .app .insight-stat > span:first-child .ui-icon {
    width: 18px;
    height: 18px;
  }
  .app .insight-stat > span:nth-child(2) {
    font-size: 10px;
  }
  .app .insight-stat > strong {
    font-size: 19px;
  }
  .app :is(.insight-columns, .development-columns, .analytics-columns, .analytics-detail-columns) {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .app .learning-card-grid {
    grid-template-columns: 1fr;
  }
  .app.student-shell .student-section-intro {
    padding: 18px;
  }
  .app.student-shell .student-section-intro h3 {
    font-size: 20px;
  }
  .app.student-shell .student-section-intro .muted {
    font-size: 13px;
  }
  .app.student-shell .training-activities-intro {
    padding: 18px;
  }
  .app.student-shell .training-activities-intro h3 {
    font-size: 24px;
  }
  .app.student-shell .training-activity-card {
    padding: 16px;
  }
  .app.student-shell .training-activity-card-head {
    align-items: center;
    flex-direction: row;
  }
  .app.student-shell .lesson-layout.is-learning-path #lesson-detail {
    padding: 18px;
  }
  .app.student-shell .lesson-detail > section {
    padding: 16px;
  }
  .app.student-shell .lesson-detail > section p {
    font-size: 16px;
    line-height: 1.7;
  }
  .app.student-shell
    #page-exercise
    :is(#student-reading-card, #exercise-questions-card, #exercise-result-card) {
    padding: 16px;
  }
  .app.student-shell #page-exercise #student-exercise-header {
    margin-bottom: 14px;
  }
  .app.student-shell #page-exercise label.answer-card {
    min-height: 52px;
    font-size: 15px;
  }
  .app.student-shell #student-reading-body {
    font-size: 16px;
    line-height: 1.7;
  }
  .app .completion-card {
    padding: 18px;
  }
  .app .exercise-result-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .app .settings-card {
    padding: 18px;
  }
  .app .settings-form {
    grid-template-columns: 1fr;
  }
  .app .modal-backdrop {
    padding: 12px;
  }
  .app .modal {
    max-width: 100%;
    max-height: calc(100dvh - 24px);
    border-radius: 18px;
  }
  .app .modal-body {
    padding: 16px;
  }
  .app :is(.modal-foot, .modal-actions) {
    flex-wrap: wrap;
    gap: 8px;
  }
  .app .analytics-range-controls .field {
    flex: 1 1 130px;
  }
  .app .analytics-filter-controls .field {
    flex: 1 1 180px;
  }
  .guest-diagnostic-mode .guest-card {
    min-height: 100dvh;
    height: auto;
    padding: 16px;
  }
  .guest-diagnostic-mode #guest-question-view:not(.hidden) {
    padding: 16px;
    margin-top: 18px;
  }
  .guest-diagnostic-mode #guest-question-view > .guest-passage {
    max-height: none;
    overflow: visible;
  }
  .guest-diagnostic-mode .guest-question-help {
    display: none;
  }
  .guest-diagnostic-mode .guest-answer-option {
    padding: 13px 14px;
    font-size: 15px;
  }
  .guest-diagnostic-mode #guest-question-view > #guest-answer-submit {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .app.student-shell .training-activities-grid {
    grid-template-columns: 1fr;
  }
  .app.student-shell .training-activity-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
  }
  .app.student-shell
    .training-activity-card
    > :is(.training-activity-card-head, p, .training-activity-meta, .btn) {
    grid-column: 1 / -1;
  }
  .app.student-shell .training-activity-card > .training-activity-package-hint {
    grid-column: 1 / -1;
  }
  .app.student-shell .training-activity-package-track {
    justify-content: end;
  }
  .app .measurement-skill-grid {
    grid-template-columns: 1fr;
  }
  .app #home-insights {
    padding: 12px;
    flex-wrap: wrap;
    gap: 9px;
  }
  .app #home-insights-values {
    gap: 12px;
    font-size: 12px;
  }
  .app #home-insights .btn {
    min-height: 34px;
    padding: 7px 10px;
    font-size: 11px;
  }
  .app.student-shell #learning-path-card.learning-path-card {
    padding: 18px 12px;
  }
  .app.student-shell #learning-path-card .learning-map-v6-header h4 {
    font-size: 25px;
  }
  .app.student-shell #learning-path-card .learning-map-v6-summary {
    gap: 8px;
  }
  .app .learning-path-course-header {
    flex-wrap: wrap;
  }
  .app .learning-path-course-header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .app.student-shell .learning-path-step-context {
    font-size: 11px;
  }
  .app .learning-path-step-progress {
    margin-left: 0;
    font-size: 10px;
  }
  .app .lesson-actions {
    flex-direction: row;
  }
  .app .lesson-actions > * {
    flex: 1 1 150px;
  }
  .app .learning-path-exercise-navigation .btn {
    flex: 1;
  }
  .login-card {
    padding: 24px 20px;
  }
  .guest-shell:not(.guest-diagnostic-mode) .guest-hero-art {
    min-height: 280px;
  }
  .guest-shell:not(.guest-diagnostic-mode) .guest-phone-frame {
    transform: scale(0.72) rotate(2deg);
  }
  .guest-shell:not(.guest-diagnostic-mode) .guest-skill-card {
    display: flex;
    text-align: left;
    justify-items: start;
    min-height: 80px;
    padding: 12px 9px;
    gap: 9px;
  }
  .guest-shell:not(.guest-diagnostic-mode) .guest-skill-card strong {
    font-size: 11px;
  }
  .guest-shell:not(.guest-diagnostic-mode) .guest-skill-card > div > span {
    display: block;
    font-size: 9px;
  }
}

/* Motion is short-lived and compositor-friendly. No idle route pulse or count-up. */
.app.student-shell #learning-path-card .learning-map-v6-step.is-current .learning-map-v6-marker,
.app.student-shell #learning-path-card .learning-map-v6-node.is-pending .learning-map-v6-marker {
  animation: none;
}
.app .learning-path-step-card.is-pending .learning-path-step-index {
  position: relative;
}

.student-shell .learning-map-v6-step:not(.is-current) {
  content-visibility: auto;
  contain-intrinsic-size: auto 142px;
}
.student-shell .learning-route-pending {
  display: grid;
  gap: 6px;
  margin: 18px 0;
  padding: 16px;
  border: 1px solid var(--ui-line);
  border-radius: 18px;
  background: var(--ui-surface);
  color: var(--ui-ink);
}
.student-shell .learning-route-pending span {
  color: var(--ui-muted);
  font-size: 13px;
}
.app .learning-path-step-card.is-pending .learning-path-step-index::after {
  position: absolute;
  inset: -4px;
  border: 2px solid transparent;
  border-top-color: var(--ui-brand);
  border-radius: 50%;
  content: "";
  animation: ui-loading-ring 900ms linear infinite;
}
.app.student-shell #learning-path-card .learning-map-v6-progress i,
.app .insight-bar > span {
  transform-origin: left center;
  transition: none;
}
.app #exercise-current-question > *,
.app .insight-stat strong,
.app .badge-new {
  animation: none;
}
.app.student-shell #page-exercise label.answer-card {
  transition:
    border-color 130ms ease,
    background-color 130ms ease,
    transform 100ms ease;
}
.app.student-shell #page-exercise label.answer-card:not([aria-disabled="true"]):active {
  transform: scale(0.99);
}
.app.student-shell #page-exercise label.answer-card::after {
  transition:
    transform 130ms ease,
    color 130ms ease;
}
.app.student-shell #page-exercise label.answer-card.selected::after {
  transform: scale(1.12);
}
.app .completion-card {
  animation: ui-completion-in 220ms ease-out;
}
.motion-skeleton {
  pointer-events: none;
  animation: ui-skeleton-pulse 1.8s ease-in-out infinite alternate;
}
.motion-skeleton-training {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.motion-skeleton-card {
  padding: 20px;
  border: 1px solid var(--ui-line);
  background: var(--ui-surface);
  border-radius: 20px;
  min-height: 200px;
}
.motion-skeleton-card i,
.motion-skeleton-card span {
  display: block;
  background: var(--ui-line);
  border-radius: 8px;
}
.motion-skeleton-card i {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
}
.motion-skeleton-card span {
  height: 12px;
  margin-top: 14px;
}
.motion-skeleton-card span:last-child {
  width: 65%;
}
.motion-skeleton-map {
  max-width: 720px;
  margin: 18px auto;
}
.motion-skeleton-map .motion-skeleton-card {
  position: relative;
  min-height: 100px;
  border: 0;
  background: transparent;
  padding: 14px 20px 14px 90px;
}
.motion-skeleton-map .motion-skeleton-card i {
  position: absolute;
  left: 14px;
  top: 18px;
  width: 52px;
  height: 52px;
  border-radius: 17px;
}
.motion-skeleton-map .motion-skeleton-card:nth-child(even) {
  margin-left: 30px;
}
.celebration-layer {
  pointer-events: none;
}
.celebration-toast {
  pointer-events: auto;
}
.celebration-layer[data-kind="milestone"] {
  place-items: start end;
  padding-top: 76px;
}
.celebration-layer[data-kind="milestone"] .celebration-toast {
  width: min(310px, 100%);
  padding: 18px;
  border: 1px solid var(--ui-line);
  box-shadow: var(--ui-shadow);
}
.celebration-layer[data-kind="milestone"] .celebration-icon {
  width: 34px;
  height: 34px;
  font-size: 22px;
  margin-bottom: 8px;
}
.celebration-layer[data-kind="milestone"] h2 {
  font-size: 19px;
}
.celebration-layer[data-kind="milestone"] .celebration-detail {
  font-size: 12px;
}
.celebration-layer[data-kind="milestone"] .celebration-reward:empty {
  display: none;
}
@keyframes ui-loading-ring {
  to {
    transform: rotate(360deg);
  }
}
@keyframes ui-skeleton-pulse {
  from {
    opacity: 0.55;
  }
  to {
    opacity: 0.95;
  }
}
@keyframes ui-completion-in {
  from {
    opacity: 0.6;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (max-width: 1100px) {
  .motion-skeleton-training {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 560px) {
  .motion-skeleton-training {
    grid-template-columns: 1fr;
  }
  .motion-skeleton-card {
    min-height: 170px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .motion-skeleton,
  .app .learning-path-step-card.is-pending .learning-path-step-index::after,
  .app.student-shell
    #learning-path-card
    .learning-map-v6-node.is-pending
    .learning-map-v6-marker::after,
  .app.student-shell #learning-path-card .learning-map-v6-node.is-pending .learning-map-v6-marker {
    animation: none;
  }
  .app.student-shell #page-exercise label.answer-card:active,
  .app.student-shell #page-exercise label.answer-card.selected::after {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .app *,
  .login-shell *,
  .guest-diagnostic-mode * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}