/*
Theme Name: Smatte Child
Theme URI: https://smatte.se
Description: Lightweight custom theme for smatte.se — Swedish math education site built on WordPress + LearnDash. No page builder, hand-coded for speed.
Author: Smatte
Version: 1.3.1
Template: twentytwentyfour
Text Domain: smatte-child
*/

/* =============================================
   CSS CUSTOM PROPERTIES
   ============================================= */
:root {
  /* Subject accent colors — högstadiet */
  --color-aritmetik: #3B82F6;
  --color-algebra: #8B5CF6;
  --color-brak: #10B981;
  --color-geometri: #F59E0B;
  --color-statistik: #EC4899;

  /* Subject accent colors — gymnasiet */
  --color-ma1a: #10B981;
  --color-ma1b: #3B82F6;
  --color-ma2a: #8B5CF6;
  --color-ma2b: #F97316;

  /* Neutral palette */
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-surface-2: #F1F5F9;
  --color-border: #E2E8F0;
  --color-text: #1E293B;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;

  /* Brand */
  --color-primary: #2563EB;
  --color-primary-dark: #1D4ED8;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.04);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.04);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 64px;
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img, video, iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  cursor: pointer;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* =============================================
   LAYOUT UTILITIES
   ============================================= */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* =============================================
   SITE HEADER & NAV
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  height: var(--nav-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 100%;
}

.site-logo {
  flex-shrink: 0;
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-logo:hover {
  text-decoration: none;
  color: var(--color-primary-dark);
}

.site-logo span {
  color: var(--color-text-muted);
  font-weight: 400;
}

.main-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  text-decoration: none;
}

.nav-link.is-active {
  color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Hamburger menu */
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  z-index: 99;
  padding: var(--space-4);
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  text-decoration: none;
}

/* =============================================
   SITE FOOTER
   ============================================= */
.site-footer {
  margin-top: var(--space-16);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-brand {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-primary);
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* =============================================
   COURSE SELECTOR
   ============================================= */
.section-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

/* =============================================
   SUBJECT CARDS (course overview page)
   ============================================= */
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.subject-card {
  --accent: var(--color-primary);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.subject-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.subject-card[data-subject="aritmetik"]   { --accent: var(--color-aritmetik); }
.subject-card[data-subject="algebra"]     { --accent: var(--color-algebra); }
.subject-card[data-subject="brak"]        { --accent: var(--color-brak); }
.subject-card[data-subject="geometri"]    { --accent: var(--color-geometri); }
.subject-card[data-subject="statistik"]   { --accent: var(--color-statistik); }

.subject-card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.subject-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.subject-info {
  flex: 1;
  min-width: 0;
}

.subject-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.subject-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.subject-card-body {
  padding: var(--space-5) var(--space-6);
}

/* =============================================
   PROGRESS BARS
   ============================================= */
.progress-wrap {
  margin-bottom: var(--space-4);
}

.progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.progress-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.progress-value {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--accent, var(--color-primary));
}

.progress-track {
  height: 8px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--accent, var(--color-primary));
  border-radius: var(--radius-full);
  width: 0;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-bar.animate {
  width: var(--progress, 0%);
}

/* Topic level progress */
.topic-levels {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.level-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.level-badge {
  flex-shrink: 0;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent, var(--color-primary));
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  white-space: nowrap;
}

.level-progress {
  flex: 1;
}

.level-progress .progress-track {
  height: 6px;
}

/* =============================================
   TOPIC VIEW — LESSON LIST
   ============================================= */
.topic-header {
  padding: var(--space-10) 0 var(--space-8);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  color: var(--color-text-light);
}

.breadcrumb-current {
  color: var(--color-text);
  font-weight: 500;
}

.topic-title {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.topic-title-accent {
  display: inline-block;
  width: 6px;
  height: 0.9em;
  background: var(--accent, var(--color-primary));
  border-radius: 3px;
  margin-right: var(--space-3);
  vertical-align: middle;
}

.topic-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

.lesson-section {
  margin-bottom: var(--space-10);
}

.lesson-section-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent, var(--color-primary));
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid color-mix(in srgb, var(--accent, var(--color-primary)) 20%, transparent);
}

.lesson-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.lesson-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-fast);
}

.lesson-item:hover {
  border-color: var(--accent, var(--color-primary));
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
  text-decoration: none;
}

.lesson-item.is-complete {
  border-color: #BBF7D0;
  background: #F0FDF4;
}

.lesson-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.lesson-item:hover .lesson-number {
  background: color-mix(in srgb, var(--accent, var(--color-primary)) 12%, transparent);
  border-color: var(--accent, var(--color-primary));
  color: var(--accent, var(--color-primary));
}

.lesson-item.is-complete .lesson-number {
  background: #22C55E;
  border-color: #22C55E;
  color: #fff;
}

.lesson-info {
  flex: 1;
  min-width: 0;
}

.lesson-name {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lesson-tags {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lesson-tag {
  font-size: var(--font-size-xs);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-weight: 500;
}

.lesson-tag.tag-video {
  background: #EFF6FF;
  color: #3B82F6;
}

.lesson-tag.tag-quiz {
  background: #F5F3FF;
  color: #8B5CF6;
}

.lesson-status {
  flex-shrink: 0;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-light);
}

.lesson-item.is-complete .lesson-status {
  color: #16A34A;
}

/* =============================================
   LESSON PAGE
   ============================================= */
.lesson-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-8);
  padding: var(--space-8) 0;
}

.lesson-main {
  min-width: 0;
}

.lesson-header {
  margin-bottom: var(--space-6);
}

.lesson-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.lesson-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Video container */
.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: #000;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.video-container iframe,
.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* H5P quiz area */
.quiz-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.quiz-section-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface-2);
}

.quiz-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: #F5F3FF;
  color: #8B5CF6;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.quiz-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
}

.quiz-content {
  padding: var(--space-6);
}

/* Lesson navigation */
.lesson-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.lesson-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.lesson-nav-btn:hover {
  border-color: var(--accent, var(--color-primary));
  color: var(--accent, var(--color-primary));
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.lesson-nav-btn.next {
  background: var(--accent, var(--color-primary));
  color: #fff;
  border-color: transparent;
}

.lesson-nav-btn.next:hover {
  opacity: 0.9;
  color: #fff;
}

/* =============================================
   PROGRESS SIDEBAR
   ============================================= */
.progress-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-6));
  max-height: calc(100vh - var(--nav-height) - var(--space-12));
  overflow-y: auto;
  scrollbar-width: thin;
}

.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.sidebar-card-header {
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-surface-2);
}

.sidebar-steps {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.sidebar-step:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  text-decoration: none;
}

.sidebar-step.is-current {
  background: color-mix(in srgb, var(--accent, var(--color-primary)) 10%, transparent);
  color: var(--accent, var(--color-primary));
  font-weight: 600;
}

.sidebar-step.is-complete {
  color: #16A34A;
}

.step-dot {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-step.is-complete .step-dot {
  background: #22C55E;
  border-color: #22C55E;
  color: #fff;
}

.sidebar-step.is-current .step-dot {
  border-color: var(--accent, var(--color-primary));
  background: var(--accent, var(--color-primary));
}

.step-check {
  display: none;
  font-size: 10px;
}

.sidebar-step.is-complete .step-check {
  display: block;
  color: #fff;
}

.step-num {
  font-size: 10px;
  font-weight: 700;
  color: inherit;
}

.sidebar-step.is-complete .step-num {
  display: none;
}

.step-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* =============================================
   COURSE OVERVIEW PAGE
   ============================================= */
.course-title {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.course-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* Overall course progress */
.course-progress-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.course-progress-card h2 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-5);
  color: var(--color-text);
}

.course-overview-shell {
  max-width: 1480px;
}

/* =============================================
   EMPTY / LOGIN STATES
   ============================================= */
.state-empty {
  text-align: center;
  padding: var(--space-16);
}

.state-empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.state-empty-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.state-empty-text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* =============================================
   NOTICE / ALERT
   ============================================= */
.notice {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-5);
}

.notice-info {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}

.notice-success {
  background: #F0FDF4;
  color: #15803D;
  border: 1px solid #BBF7D0;
}

/* =============================================
   MARK COMPLETE BUTTON
   ============================================= */
.ld-complete-btn-wrap {
  margin-top: var(--space-6);
}

.ld-complete-btn-wrap .btn,
.ld-complete-btn-wrap input[type="submit"],
.learndash_mark_complete_button {
  background: #22C55E !important;
  color: #fff !important;
  border: none !important;
  padding: var(--space-3) var(--space-6) !important;
  border-radius: var(--radius-lg) !important;
  font-size: var(--font-size-base) !important;
  font-weight: 700 !important;
  cursor: pointer !important;
  transition: all var(--transition-fast) !important;
  font-family: var(--font-sans) !important;
}

.ld-complete-btn-wrap .btn:hover,
.ld-complete-btn-wrap input[type="submit"]:hover,
.learndash_mark_complete_button:hover {
  background: #16A34A !important;
}

/* =============================================
   LEARDASH OVERRIDES — hide default chrome
   ============================================= */
.ld-breadcrumbs,
.ld-course-navigation-heading,
#ld-course-nav-widget-toggle,
.ld-alert,
.learndash-wrapper .ld-course-status,
.learndash-wrapper > .ld-breadcrumbs {
  display: none !important;
}

.learndash-wrapper {
  max-width: none !important;
  padding: 0 !important;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .lesson-layout {
    grid-template-columns: 1fr;
  }

  .progress-sidebar {
    position: static;
    max-height: none;
    order: -1;
  }

  .sidebar-steps {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-6: 1.25rem;
    --space-8: 1.75rem;
    --space-10: 2rem;
    --space-12: 2.5rem;
    --space-16: 3rem;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

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

  .site-footer .container {
    flex-direction: column;
    text-align: center;
  }

  .lesson-nav {
    flex-direction: column;
  }

  .lesson-nav-btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: var(--space-4);
  }

  .subject-card-header {
    flex-direction: column;
    text-align: center;
  }

  .sidebar-steps {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   PRINT
   ============================================= */
@media print {
  .site-header,
  .site-footer,
  .progress-sidebar,
  .lesson-nav {
    display: none;
  }

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

/* =============================================
   PARALLEL LEVEL COURSE VIEW
   ============================================= */
.parallel-board-intro {
  margin-bottom: var(--space-6);
}

.parallel-board-title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.parallel-board-text {
  color: var(--color-text-muted);
  max-width: 720px;
}

.parallel-level-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(340px, 1fr));
  gap: var(--space-6);
  align-items: start;
  margin-bottom: var(--space-10);
}

.parallel-level-column {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.parallel-level-column-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent, var(--color-primary)) 10%, white) 0%, white 100%);
}

.parallel-level-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--accent, var(--color-primary)) 12%, white);
  color: var(--accent, var(--color-primary));
  font-size: var(--font-size-xs);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.parallel-level-title {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.parallel-level-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.parallel-level-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.parallel-level-goal {
  font-weight: 700;
  color: var(--color-text);
}

.parallel-level-progress {
  display: grid;
  gap: var(--space-2);
}

.parallel-level-progress span {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--accent, var(--color-primary));
}

.parallel-level-sections {
  padding: var(--space-5);
  display: grid;
  gap: var(--space-4);
}

.parallel-section-card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.parallel-section-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.parallel-lesson-list {
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.parallel-lesson-item {
  display: grid;
  grid-template-columns: minmax(4.4rem, auto) minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid transparent;
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.parallel-lesson-item:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent, var(--color-primary)) 40%, var(--color-border));
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.parallel-lesson-item.is-complete {
  background: #f0fdf4;
}

.parallel-lesson-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--accent, var(--color-primary)) 12%, white);
  color: var(--accent, var(--color-primary));
  font-size: var(--font-size-xs);
  font-weight: 700;
  align-self: start;
}

.parallel-lesson-copy {
  min-width: 0;
  display: grid;
  gap: 0.15rem;
}

.parallel-lesson-name {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.parallel-lesson-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.parallel-lesson-state {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--accent, var(--color-primary));
  white-space: nowrap;
  align-self: start;
}

.parallel-empty-card {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: var(--color-surface-2);
}

.parallel-empty-card p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-top: var(--space-2);
}

.parallel-fallback-list {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

@media (max-width: 1100px) {
  .parallel-level-board {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .parallel-level-meta-row,
  .parallel-lesson-item {
    grid-template-columns: 1fr;
  }

  .parallel-lesson-state {
    justify-self: start;
  }
}

.subject-card.is-disabled {
  opacity: 0.78;
}

.subject-meta-secondary {
  margin-top: 0.35rem;
  font-size: var(--font-size-xs);
}

.subject-level-copy {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.btn.is-disabled {
  pointer-events: none;
  cursor: not-allowed;
  box-shadow: none;
}

.home-step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.home-step-card {
  padding: var(--space-6);
}

.home-step-number {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  background: #eff6ff;
  color: var(--color-primary);
  font-weight: 800;
}

.grade-preview-card {
  padding: var(--space-6);
  display: grid;
  gap: var(--space-5);
}

.grade-preview-grid--full {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: var(--space-12);
}

.grade-preview-card--hub {
  min-height: 100%;
}

.grade-preview-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: flex-start;
}

.grade-preview-header h2,
.grade-preview-header h3 {
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

.grade-preview-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 700;
  white-space: nowrap;
}

.grade-preview-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.grade-preview-metrics div {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
}

.grade-preview-metrics strong {
  display: block;
  font-size: var(--font-size-2xl);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.grade-preview-metrics span {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.grade-preview-subjects {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.grade-preview-subjects li {
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.grade-preview-subjects li.is-muted {
  opacity: 0.55;
}

.grade-preview-subjects li.is-ready {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.smatte-page-shell {
  max-width: 1320px;
}

.smatte-page-hero {
  padding: var(--space-10) 0 var(--space-8);
}

.section-title--page {
  margin-bottom: var(--space-3);
}

.section-header--left {
  text-align: left;
}

.subject-overview-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.subject-overview-card {
  padding: var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.subject-overview-card[data-subject="aritmetik"] { border-top: 4px solid var(--color-aritmetik); }
.subject-overview-card[data-subject="algebra"] { border-top: 4px solid var(--color-algebra); }
.subject-overview-card[data-subject="brak"] { border-top: 4px solid var(--color-brak); }
.subject-overview-card[data-subject="geometri"] { border-top: 4px solid var(--color-geometri); }
.subject-overview-card[data-subject="statistik"] { border-top: 4px solid var(--color-statistik); }

.course-overview-shell {
  max-width: 1480px;
}

@media (max-width: 1200px) {
  .subject-overview-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .grade-preview-grid,
  .grade-preview-grid--full,
  .home-step-grid {
    grid-template-columns: 1fr;
  }

  .grade-preview-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .subject-overview-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .subject-overview-grid,
  .grade-preview-metrics {
    grid-template-columns: 1fr;
  }
}

.grade-stage-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.95fr);
  gap: var(--space-8);
  align-items: stretch;
  padding: var(--space-10) 0 var(--space-12);
}

.grade-stage-copy {
  position: relative;
  padding: var(--space-8);
  border-radius: 1.75rem;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--color-primary) 18%, white) 0%, transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  border: 1px solid rgba(37, 99, 235, 0.14);
  box-shadow: var(--shadow-lg);
}

.grade-stage-copy::after {
  content: '';
  position: absolute;
  inset: auto 2rem 1.2rem auto;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.14), transparent 68%);
  pointer-events: none;
}

.grade-stage-lead {
  max-width: 62ch;
  font-size: var(--font-size-lg);
  line-height: 1.75;
}

.grade-stage-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.grade-stage-button {
  min-width: 180px;
}

.grade-stage-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.grade-stage-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.grade-stage-chip.is-live {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: var(--color-primary);
}

.grade-stage-panel {
  display: flex;
}

.grade-stage-panel-card {
  width: 100%;
  padding: var(--space-6);
  border-radius: 1.5rem;
  background: linear-gradient(180deg, #0f172a 0%, #172554 100%);
  color: #e2e8f0;
  box-shadow: var(--shadow-xl);
}

.grade-stage-panel-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  color: #bfdbfe;
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.grade-stage-panel-card h2 {
  font-size: clamp(1.55rem, 4vw, 2rem);
  line-height: 1.1;
  margin-bottom: var(--space-3);
  color: #fff;
}

.grade-stage-panel-card > p {
  color: rgba(226, 232, 240, 0.8);
  line-height: 1.7;
}

.grade-stage-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.grade-stage-metric {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.grade-stage-metric strong {
  display: block;
  font-size: var(--font-size-2xl);
  line-height: 1;
  margin-bottom: var(--space-2);
  color: #fff;
}

.grade-stage-metric span {
  color: rgba(226, 232, 240, 0.72);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.grade-stage-roadmap {
  display: grid;
  gap: var(--space-4);
}

.grade-stage-roadmap-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
}

.grade-stage-roadmap-step > span {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(191, 219, 254, 0.16);
  color: #bfdbfe;
  font-size: var(--font-size-sm);
  font-weight: 800;
}

.grade-stage-roadmap-step strong {
  display: block;
  color: #fff;
  margin-bottom: 0.2rem;
}

.grade-stage-roadmap-step p {
  color: rgba(226, 232, 240, 0.76);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.grade-stage-band {
  padding-bottom: var(--space-12);
}

.subject-grid--stage {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.subject-card--stage {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  box-shadow: var(--shadow-md);
}

.subject-card--stage:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.subject-card-stage-accent {
  height: 7px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 72%, white), var(--accent));
}

.subject-card-topline {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.subject-status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 800;
}

.subject-status-pill.is-live {
  background: color-mix(in srgb, var(--accent) 13%, white);
  color: var(--accent);
}

.subject-status-pill.is-featured {
  background: #0f172a;
  color: #fff;
}

.subject-stage-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.subject-stage-meta > div {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-2);
}

.subject-stage-meta strong {
  display: block;
  font-size: var(--font-size-xl);
  line-height: 1;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.subject-stage-meta span {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.subject-track-list {
  display: grid;
  gap: var(--space-3);
}

.subject-track-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--accent) 6%, white);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, var(--color-border));
}

.subject-card-cta {
  width: 100%;
  justify-content: center;
  margin-top: var(--space-5);
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.subject-card-cta:hover {
  color: #fff;
  filter: brightness(0.96);
}

.track-explainer--stage .home-step-card {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

@media (max-width: 1200px) {
  .grade-stage-hero,
  .subject-grid--stage {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .grade-stage-metrics,
  .subject-stage-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .grade-stage-copy,
  .grade-stage-panel-card {
    padding: var(--space-5);
  }

  .grade-stage-actions {
    flex-direction: column;
  }

  .grade-stage-button,
  .subject-card-cta {
    width: 100%;
  }

  .subject-track-item,
  .grade-stage-roadmap-step {
    grid-template-columns: 1fr;
  }
}

/* Fine-tuning after first full-page review */
.smatte-page-shell {
  max-width: 1440px;
}

.grade-stage-hero {
  grid-template-columns: minmax(0, 1.5fr) minmax(340px, 0.85fr);
  gap: var(--space-10);
  align-items: start;
}

.grade-stage-copy {
  padding: calc(var(--space-8) + 0.25rem);
}

.grade-stage-copy .section-title--page {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
}

.grade-stage-lead {
  max-width: 58ch;
}

.grade-stage-panel-card {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-4));
}

.subject-grid--stage {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.subject-card--stage .subject-card-header {
  padding: var(--space-5) var(--space-5) var(--space-4);
}

.subject-card--stage .subject-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 0 var(--space-5) var(--space-5);
}

.subject-card--stage .subject-title {
  font-size: 1.15rem;
}

.subject-card--stage .subject-meta {
  min-height: 2.8em;
}

.subject-track-list {
  flex: 1;
}

.subject-track-item {
  min-height: 3.9rem;
}

.subject-card-cta {
  margin-top: var(--space-4);
}

.track-explainer--stage {
  padding-top: var(--space-2);
}

@media (max-width: 1320px) {
  .subject-grid--stage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1200px) {
  .grade-stage-hero {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .grade-stage-panel-card {
    position: static;
  }
}

@media (max-width: 780px) {
  .subject-grid--stage {
    grid-template-columns: 1fr;
  }
}

/* Cleaner subject cards for grade hubs */
.subject-card--stage {
  border-radius: 1.25rem;
  overflow: hidden;
}

.subject-card--stage .subject-card-header {
  gap: var(--space-3);
}

.subject-card--stage .subject-icon {
  width: 46px;
  height: 46px;
  font-size: 1.2rem;
  border-radius: 0.9rem;
}

.subject-card--stage .subject-title {
  font-size: 1.08rem;
  margin-bottom: 0.15rem;
}

.subject-card--stage .subject-meta {
  min-height: 0;
  font-size: 0.82rem;
  line-height: 1.5;
}

.subject-status-pill {
  font-size: 0.68rem;
  padding: 0.28rem 0.6rem;
}

.subject-stage-meta {
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.subject-stage-meta > div {
  padding: 0.8rem 0.9rem;
  border-radius: 0.85rem;
  background: #f8fafc;
}

.subject-stage-meta strong {
  font-size: 1rem;
}

.subject-stage-meta span {
  font-size: 0.64rem;
}

.subject-track-list {
  gap: var(--space-2);
}

.subject-track-item {
  min-height: 0;
  padding: 0.8rem 0.9rem;
  border-radius: 0.85rem;
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--color-border));
}

.subject-track-item .level-badge {
  padding: 0.22rem 0.55rem;
  font-size: 0.66rem;
}

.subject-level-copy {
  font-size: 0.76rem;
  line-height: 1.45;
}

.subject-card-cta {
  margin-top: var(--space-3);
  min-height: 2.8rem;
  border-radius: 0.9rem;
  font-size: 0.92rem;
  font-weight: 700;
}

.subject-card--stage:hover .subject-card-cta {
  transform: none;
}

/* Art direction pass: grade hubs */
:root {
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

.smatte-page-shell {
  position: relative;
}

.grade-stage-hero {
  position: relative;
  padding-top: var(--space-12);
}

.grade-stage-copy {
  overflow: hidden;
  border-radius: 2rem;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.96) 0%, rgba(246,250,255,0.98) 48%, rgba(255,248,241,0.96) 100%);
  border: 1px solid rgba(37, 99, 235, 0.1);
  box-shadow: 0 28px 70px -38px rgba(15, 23, 42, 0.32);
}

.grade-stage-copy::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(37, 99, 235, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.34), transparent 74%);
  pointer-events: none;
}

.grade-stage-copy::after {
  width: 220px;
  height: 220px;
  right: -2.5rem;
  bottom: -2rem;
  border-radius: 2.5rem;
  background:
    radial-gradient(circle at 30% 30%, rgba(16, 185, 129, 0.22), transparent 45%),
    radial-gradient(circle at 70% 70%, rgba(37, 99, 235, 0.18), transparent 42%),
    rgba(255,255,255,0.42);
  filter: blur(3px);
}

.grade-stage-copy .section-label,
.grade-stage-band .section-label,
.track-explainer--stage .section-label {
  letter-spacing: 0.12em;
}

.grade-stage-copy .section-title--page,
.grade-stage-band .section-title,
.track-explainer--stage .section-title,
.grade-stage-panel-card h2 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.grade-stage-copy .section-title--page {
  max-width: 10ch;
  font-size: clamp(2.4rem, 5vw, 4.35rem);
  margin-bottom: var(--space-4);
}

.grade-stage-lead {
  font-size: 1.08rem;
  color: #425166;
}

.grade-stage-actions {
  margin-top: var(--space-7);
}

.grade-stage-button.btn-primary {
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  border: none;
  box-shadow: 0 18px 38px -24px rgba(29, 78, 216, 0.7);
}

.grade-stage-button.btn-ghost {
  background: rgba(255,255,255,0.76);
  border-color: rgba(15, 23, 42, 0.1);
}

.grade-stage-chip {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(8px);
}

.grade-stage-panel-card {
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.24), transparent 30%),
    linear-gradient(155deg, #0f172a 0%, #172554 54%, #1d4ed8 100%);
}

.grade-stage-panel-card::after {
  content: '';
  position: absolute;
  inset: auto -2.4rem -2.7rem auto;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  filter: blur(2px);
}

.grade-stage-panel-card h2 {
  font-size: clamp(1.9rem, 4vw, 2.35rem);
}

.grade-stage-panel-card > p {
  max-width: 26ch;
}

.grade-stage-roadmap-step > span {
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}

.subject-grid--stage {
  gap: var(--space-7);
}

.subject-card--stage {
  border: 1px solid rgba(15, 23, 42, 0.07);
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,250,252,0.98) 100%);
}

.subject-card--stage:first-child {
  grid-column: span 2;
}

.subject-card--stage:first-child .subject-card-header {
  padding-top: var(--space-6);
}

.subject-card--stage:first-child .subject-title {
  font-size: 1.35rem;
}

.subject-card--stage:first-child .subject-meta {
  font-size: 0.92rem;
}

.subject-card-stage-accent {
  height: 8px;
}

.subject-card--stage .subject-icon {
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45);
}

.subject-card--stage .subject-icon::after {
  content: '';
  position: absolute;
  inset: auto -0.25rem -0.25rem auto;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.subject-status-pill.is-featured {
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
}

.subject-card--stage .subject-title {
  font-family: var(--font-display);
  font-size: 1.22rem;
  line-height: 1.1;
}

.subject-stage-meta > div {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(15, 23, 42, 0.05);
}

.subject-track-item {
  background: rgba(255,255,255,0.84);
  backdrop-filter: blur(7px);
}

.subject-track-item .level-badge {
  font-weight: 800;
}

.subject-card-cta {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 78%, #0f172a), var(--accent));
  border: none;
  box-shadow: 0 14px 26px -20px color-mix(in srgb, var(--accent) 65%, transparent);
}

.subject-card-cta:hover {
  filter: brightness(0.98) saturate(1.05);
}

.track-explainer--stage {
  position: relative;
  padding-top: var(--space-4);
}

.track-explainer--stage .home-step-card {
  position: relative;
  overflow: hidden;
  border-radius: 1.4rem;
  border-color: rgba(15, 23, 42, 0.08);
}

.track-explainer--stage .home-step-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, #0f172a, #1d4ed8);
}

.track-explainer--stage .home-step-card:nth-child(2)::before {
  background: linear-gradient(90deg, #1d4ed8, #10b981);
}

.track-explainer--stage .home-step-card:nth-child(3)::before {
  background: linear-gradient(90deg, #10b981, #f59e0b);
}

.track-explainer--stage .home-step-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
}

@media (max-width: 1320px) {
  .subject-card--stage:first-child {
    grid-column: span 1;
  }
}

@media (max-width: 780px) {
  .grade-stage-copy .section-title--page {
    max-width: none;
  }
}

.grade-stage-panel-card { position: relative; }


/* Art direction pass: subject course pages */
.course-stage-shell {
  max-width: 1500px;
}

.course-stage-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(330px, 0.9fr);
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-12) 0 var(--space-8);
}

.course-stage-copy {
  position: relative;
  overflow: hidden;
  padding: var(--space-8);
  border-radius: 2rem;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.97) 0%, color-mix(in srgb, var(--accent) 7%, white) 46%, rgba(255,248,241,0.97) 100%);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, rgba(15, 23, 42, 0.08));
  box-shadow: 0 28px 70px -38px rgba(15, 23, 42, 0.28);
}

.course-stage-copy::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(15, 23, 42, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.34), transparent 72%);
  pointer-events: none;
}

.course-stage-copy::after {
  content: '';
  position: absolute;
  right: -3.2rem;
  bottom: -3.4rem;
  width: 240px;
  height: 240px;
  border-radius: 2rem;
  background:
    radial-gradient(circle at 35% 35%, color-mix(in srgb, var(--accent) 26%, white), transparent 42%),
    radial-gradient(circle at 75% 70%, rgba(15, 23, 42, 0.12), transparent 35%);
  opacity: 0.9;
  pointer-events: none;
}

.course-stage-mark {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.course-stage-icon {
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--accent) 14%, white);
  color: color-mix(in srgb, var(--accent) 78%, #0f172a);
  font-size: 1.5rem;
  font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.55);
}

.course-stage-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.84);
  color: color-mix(in srgb, var(--accent) 72%, #0f172a);
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--color-border));
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.course-title--stage {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  max-width: 11ch;
  margin-bottom: var(--space-4);
}

.course-description--stage {
  max-width: 56ch;
  font-size: 1.08rem;
  color: #425166;
}

.course-stage-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.course-stage-button {
  min-width: 180px;
}

.course-stage-button.btn-primary {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 68%, #0f172a), var(--accent));
  border: none;
  box-shadow: 0 18px 40px -26px color-mix(in srgb, var(--accent) 55%, transparent);
}

.course-stage-button.btn-ghost {
  background: rgba(255,255,255,0.78);
  border-color: rgba(15, 23, 42, 0.1);
}

.course-stage-track-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.course-stage-track-pill {
  display: grid;
  gap: 0.15rem;
  min-width: 118px;
  padding: 0.8rem 0.95rem;
  border-radius: 1rem;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(8px);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, var(--color-border));
}

.course-stage-track-pill strong {
  font-size: 0.82rem;
  color: var(--color-text);
}

.course-stage-track-pill span {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.course-stage-panel {
  display: flex;
}

.course-stage-panel-card {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-4));
  width: 100%;
  overflow: hidden;
  padding: var(--space-6);
  border-radius: 1.6rem;
  color: #e2e8f0;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 28%, transparent), transparent 28%),
    linear-gradient(160deg, #0f172a 0%, #172554 55%, color-mix(in srgb, var(--accent) 44%, #1d4ed8) 100%);
  box-shadow: 0 28px 60px -36px rgba(15, 23, 42, 0.52);
}

.course-stage-panel-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.11);
  color: #bfdbfe;
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.course-stage-panel-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.4rem);
  line-height: 1.05;
  color: #fff;
  margin-bottom: var(--space-3);
}

.course-stage-panel-card > p {
  color: rgba(226, 232, 240, 0.82);
  line-height: 1.65;
}

.course-stage-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0;
}

.course-stage-metric {
  padding: var(--space-4);
  border-radius: 1rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.11);
}

.course-stage-metric strong {
  display: block;
  font-size: var(--font-size-2xl);
  line-height: 1;
  color: #fff;
  margin-bottom: var(--space-2);
}

.course-stage-metric span {
  font-size: 0.72rem;
  color: rgba(226, 232, 240, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.course-stage-outline {
  display: grid;
  gap: var(--space-4);
}

.course-stage-outline-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
}

.course-stage-outline-step > span {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 800;
}

.course-stage-outline-step strong {
  display: block;
  color: #fff;
  margin-bottom: 0.15rem;
}

.course-stage-outline-step p {
  color: rgba(226, 232, 240, 0.76);
  font-size: var(--font-size-sm);
  line-height: 1.55;
}

.course-progress-card--stage {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
  gap: var(--space-5);
  align-items: center;
  border-radius: 1.4rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.96) 100%);
}

.course-progress-card--stage h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 0;
}

.course-progress-card-copy .section-label {
  margin-bottom: var(--space-2);
}

.parallel-board-intro--stage {
  margin-bottom: var(--space-7);
}

.parallel-board-intro--stage .parallel-board-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.parallel-board-intro--stage .parallel-board-text {
  max-width: 58ch;
  font-size: 1.02rem;
}

.parallel-level-board--stage {
  gap: var(--space-7);
}

.parallel-level-board--stage .parallel-level-column {
  position: relative;
  border: 1px solid color-mix(in srgb, var(--accent) 14%, rgba(15, 23, 42, 0.06));
  border-radius: 1.6rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,250,252,0.98) 100%);
  box-shadow: 0 22px 42px -34px rgba(15, 23, 42, 0.32);
}

.parallel-level-board--stage .parallel-level-column::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 60%, #0f172a), var(--accent));
}

.parallel-level-board--stage .parallel-level-column-header {
  position: relative;
  padding: var(--space-7) var(--space-6) var(--space-5);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 14%, white), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(249,250,251,0.96) 100%);
}

.parallel-level-board--stage .parallel-level-title {
  font-family: var(--font-display);
  font-size: 1.95rem;
  letter-spacing: -0.03em;
}

.parallel-level-board--stage .parallel-level-text {
  font-size: 0.96rem;
}

.parallel-level-board--stage .parallel-level-kicker {
  font-weight: 800;
  letter-spacing: 0.04em;
}

.parallel-level-board--stage .parallel-level-meta-row {
  padding-top: var(--space-1);
  border-top: 1px solid color-mix(in srgb, var(--accent) 16%, var(--color-border));
}

.parallel-level-board--stage .parallel-level-sections {
  padding: var(--space-5);
  gap: var(--space-5);
}

.parallel-level-board--stage .parallel-section-card {
  background: rgba(255,255,255,0.82);
  border-radius: 1.1rem;
  border: 1px solid rgba(15, 23, 42, 0.05);
}

.parallel-level-board--stage .parallel-section-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.parallel-level-board--stage .parallel-lesson-item {
  border-radius: 0.95rem;
  background: #fff;
}

.parallel-level-board--stage .parallel-lesson-item:hover {
  transform: translateY(-2px);
}

.parallel-level-board--stage .parallel-lesson-name {
  font-size: 0.95rem;
  line-height: 1.35;
}

.parallel-level-board--stage .parallel-lesson-code {
  min-width: 4rem;
}

@media (max-width: 1240px) {
  .course-stage-hero,
  .course-progress-card--stage {
    grid-template-columns: 1fr;
  }

  .course-stage-panel-card {
    position: static;
  }
}

@media (max-width: 780px) {
  .course-stage-copy,
  .course-stage-panel-card {
    padding: var(--space-5);
  }

  .course-title--stage {
    max-width: none;
  }

  .course-stage-actions,
  .course-stage-track-row {
    flex-direction: column;
  }

  .course-stage-button,
  .course-stage-track-pill {
    width: 100%;
  }

  .course-stage-metrics {
    grid-template-columns: 1fr;
  }
}

/* Art direction pass: lesson pages */
.lesson-stage-shell {
  max-width: 1520px;
}

.lesson-layout--stage {
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: var(--space-8);
  padding: var(--space-10) 0;
}

.lesson-stage-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(290px, 0.9fr);
  gap: var(--space-6);
  align-items: start;
  margin-bottom: var(--space-7);
}

.lesson-stage-copy {
  position: relative;
  overflow: hidden;
  padding: var(--space-7);
  border-radius: 1.9rem;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.98) 0%, color-mix(in srgb, var(--accent) 8%, white) 50%, rgba(255,248,241,0.96) 100%);
  border: 1px solid color-mix(in srgb, var(--accent) 12%, rgba(15, 23, 42, 0.08));
  box-shadow: 0 24px 56px -36px rgba(15, 23, 42, 0.28);
}

.lesson-stage-copy::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(15, 23, 42, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.36), transparent 72%);
  pointer-events: none;
}

.lesson-stage-copy::after {
  content: '';
  position: absolute;
  right: -2.8rem;
  bottom: -3rem;
  width: 220px;
  height: 220px;
  border-radius: 2rem;
  background:
    radial-gradient(circle at 35% 35%, color-mix(in srgb, var(--accent) 20%, white), transparent 42%),
    radial-gradient(circle at 70% 70%, rgba(15, 23, 42, 0.1), transparent 36%);
  pointer-events: none;
}

.lesson-stage-mark {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.lesson-stage-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.84);
  border: 1px solid color-mix(in srgb, var(--accent) 16%, var(--color-border));
  color: color-mix(in srgb, var(--accent) 75%, #0f172a);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lesson-stage-kicker.is-soft {
  color: var(--color-text-muted);
}

.lesson-title--stage {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.8vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  max-width: 12ch;
  margin-bottom: var(--space-4);
}

.lesson-stage-lead {
  max-width: 52ch;
  color: #425166;
  font-size: 1.02rem;
  line-height: 1.75;
}

.lesson-stage-chip-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

.lesson-tag--done {
  background: #ecfdf5;
  color: #15803d;
  font-weight: 700;
}

.lesson-stage-panel {
  display: flex;
}

.lesson-stage-panel-card {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-4));
  width: 100%;
  padding: var(--space-5);
  border-radius: 1.5rem;
  color: #e2e8f0;
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 25%, transparent), transparent 28%),
    linear-gradient(160deg, #0f172a 0%, #172554 54%, color-mix(in srgb, var(--accent) 44%, #1d4ed8) 100%);
  box-shadow: 0 24px 48px -34px rgba(15, 23, 42, 0.5);
}

.lesson-stage-panel-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  color: #bfdbfe;
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.lesson-stage-panel-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4vw, 2rem);
  line-height: 1.08;
  color: #fff;
  margin-bottom: var(--space-3);
}

.lesson-stage-panel-card > p {
  color: rgba(226, 232, 240, 0.78);
  line-height: 1.65;
}

.lesson-stage-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

.lesson-stage-stats > div {
  padding: var(--space-3);
  border-radius: 1rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
}

.lesson-stage-stats strong {
  display: block;
  color: #fff;
  font-size: var(--font-size-xl);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.lesson-stage-stats span {
  display: block;
  font-size: 0.68rem;
  color: rgba(226, 232, 240, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lesson-stage-links {
  display: grid;
  gap: var(--space-2);
}

.lesson-stage-links a {
  display: block;
  color: #fff;
  text-decoration: none;
  font-size: var(--font-size-sm);
  padding: 0.8rem 0.95rem;
  border-radius: 0.95rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
}

.lesson-stage-links a:hover {
  background: rgba(255,255,255,0.12);
}

.lesson-media-card,
.lesson-copy-card,
.quiz-section--stage {
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,250,252,0.98) 100%);
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 1.5rem;
  box-shadow: 0 22px 42px -34px rgba(15, 23, 42, 0.24);
  overflow: hidden;
  margin-bottom: var(--space-7);
}

.lesson-card-head,
.quiz-section--stage .quiz-section-header {
  padding: var(--space-5) var(--space-6);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(249,250,251,0.98) 100%);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.lesson-card-kicker,
.quiz-subtitle {
  display: inline-block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lesson-card-head h2,
.quiz-title {
  margin-top: var(--space-2);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--color-text);
}

.video-container--stage {
  margin-bottom: 0;
  border-radius: 0;
  box-shadow: none;
}

.lesson-copy-body {
  padding: var(--space-6);
  line-height: 1.85;
  color: var(--color-text);
}

.lesson-copy-body > * + * {
  margin-top: var(--space-4);
}

.quiz-section--stage .quiz-icon {
  background: color-mix(in srgb, var(--accent) 14%, white);
  color: color-mix(in srgb, var(--accent) 72%, #0f172a);
  font-weight: 800;
}

.lesson-complete-wrap {
  margin-top: var(--space-2);
  margin-bottom: var(--space-6);
}

.lesson-success-notice {
  margin-top: var(--space-2);
  margin-bottom: var(--space-6);
}

.lesson-nav--stage {
  margin-top: var(--space-2);
  padding-top: var(--space-6);
}

.progress-sidebar--stage .sidebar-card {
  border-radius: 1.5rem;
  box-shadow: 0 22px 42px -34px rgba(15, 23, 42, 0.22);
  border: 1px solid rgba(15, 23, 42, 0.06);
}

.progress-sidebar--stage .sidebar-card-header {
  background: linear-gradient(180deg, rgba(255,255,255,0.97) 0%, rgba(249,250,251,0.98) 100%);
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.progress-sidebar--stage .sidebar-step.is-current {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 16%, transparent);
}

@media (max-width: 1240px) {
  .lesson-layout--stage,
  .lesson-stage-hero {
    grid-template-columns: 1fr;
  }

  .lesson-stage-panel-card,
  .progress-sidebar--stage {
    position: static;
    top: auto;
    max-height: none;
  }
}

@media (max-width: 780px) {
  .lesson-stage-copy,
  .lesson-stage-panel-card,
  .lesson-card-head,
  .quiz-section--stage .quiz-section-header,
  .lesson-copy-body {
    padding: var(--space-5);
  }

  .lesson-title--stage {
    max-width: none;
  }

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

/* =============================================
   SHARED COMPONENTS
   Extracted from inline <style> in templates.
   ============================================= */

/* ── Breadcrumb ──────────────────────────────────────────────── */
.breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb-sep { opacity: .4; }

/* ── Grade switcher (pill row) ───────────────────────────────── */
.grade-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  padding: 4px;
  gap: 2px;
}
.grade-switcher form { display: contents; }
.grade-switcher-btn {
  padding: var(--space-2) var(--space-5);
  border: none;
  border-radius: var(--radius-full);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}
.grade-switcher-btn:hover { color: var(--color-text); background: rgba(255,255,255,.7); }
.grade-switcher-btn.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
/* Dashboard variant: inverted colors on dark hero */
.dashboard-hero .grade-switcher-btn.active {
  background: #fff;
  color: #4A26DB;
}

/* ── Lesson rows (shared by chunk + gymnasiet-omrade) ────────── */
.lesson-list { padding: var(--space-2) 0; }
.lesson-row {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  text-decoration: none;
  gap: var(--space-4);
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--color-border);
}
.lesson-row:last-child { border-bottom: none; }
.lesson-row:hover { background: var(--color-surface-2); }
.lesson-status {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
  flex-shrink: 0;
}
.lesson-status.done { background: #DCFCE7; color: #16a34a; }
.lesson-status.next { color: #fff; font-size: 10px; }
.lesson-status.not-started {
  background: var(--color-surface-2);
  color: var(--color-text-light);
  border: 2px solid var(--color-border);
}
.lesson-title {
  font-size: var(--font-size-base);
  color: var(--color-text);
  flex: 1;
}
.lesson-row.is-done .lesson-title { color: var(--color-text-muted); }
.lesson-arrow {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

/* ── No grade notice ─────────────────────────────────────────── */
.no-grade-notice {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
}

/* ── Section title (area grids, progression) ─────────────────── */
.section-title {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

/* ── Game card grid (Tabellrace + Matte Battle) ────────────────── */
.gymn-game-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}
.gymn-game-grid.has-two {
  grid-template-columns: 1fr 1fr;
}
.game-card {
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: #fff;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  border: none;
  text-align: left;
  text-decoration: none;
  font-family: var(--font-sans);
  position: relative;
}
.game-card:hover {
  transform: translateY(-2px);
  color: #fff;
  text-decoration: none;
}
.game-card--orange {
  background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
  box-shadow: 0 4px 20px rgba(245,158,11,.25);
}
.game-card--orange:hover {
  box-shadow: 0 8px 30px rgba(245,158,11,.35);
}
.game-card--purple {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  box-shadow: 0 4px 20px rgba(99,102,241,.25);
}
.game-card--purple:hover {
  box-shadow: 0 8px 30px rgba(99,102,241,.35);
}
.game-card-icon {
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; flex-shrink: 0;
}
.game-card-body { flex: 1; min-width: 0; }
.game-card-title { font-size: var(--font-size-base); font-weight: 800; }
.game-card-desc { font-size: var(--font-size-xs); color: rgba(255,255,255,.8); margin-top: 2px; }
.game-card-badge {
  font-size: var(--font-size-xs); color: rgba(255,255,255,.85);
  text-align: right; flex-shrink: 0; line-height: 1.4;
}
.game-card-badge strong { color: #fff; font-size: var(--font-size-sm); }
.game-card-arrow { font-size: 1.3rem; opacity: .7; flex-shrink: 0; }

/* ── Table Race modal ────────────────────────────────────────── */
.tr-bg {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,.7);
  display: none; align-items: center; justify-content: center;
}
.tr-bg.open { display: flex; }
.tr-box {
  background: #fff; border-radius: 1.5rem;
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  width: 90vw; max-width: 440px; padding: 2.5rem 2rem;
  text-align: center; position: relative;
}
.tr-close {
  position: absolute; top: .75rem; right: .75rem;
  background: none; border: none; font-size: 1.25rem; color: #9CA3AF;
  cursor: pointer; padding: .25rem;
}
.tr-close:hover { color: #374151; }
.tr-title { font-size: 1.5rem; font-weight: 900; color: var(--color-text); margin: 0 0 .25rem; }
.tr-sub { font-size: .85rem; color: var(--color-text-muted); margin: 0 0 1.5rem; }
.tr-best-display { font-size: .8rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.tr-best-display strong { color: var(--color-text); }
.tr-start-btn {
  background: linear-gradient(135deg, #F59E0B, #F97316); color: #fff;
  border: none; border-radius: var(--radius-full);
  padding: .85rem 2.5rem; font-size: 1.1rem; font-weight: 800;
  cursor: pointer; font-family: var(--font-sans);
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 16px rgba(245,158,11,.3);
}
.tr-start-btn:hover { transform: scale(1.04); box-shadow: 0 6px 24px rgba(245,158,11,.4); }
.tr-countdown {
  font-size: 5rem; font-weight: 900; color: #F59E0B;
  animation: tr-pulse .5s ease-in-out;
}
@keyframes tr-pulse { 0% { transform: scale(.5); opacity: 0; } 50% { transform: scale(1.2); } 100% { transform: scale(1); opacity: 1; } }
.tr-timer {
  font-size: 2rem; font-weight: 800; color: var(--color-text);
  font-variant-numeric: tabular-nums; margin-bottom: .5rem;
}
.tr-penalty-flash {
  color: #EF4444; font-weight: 700; font-size: .85rem;
  animation: tr-penalty .6s ease-out forwards;
}
@keyframes tr-penalty { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(-20px); } }
.tr-progress-wrap { margin-bottom: 1.25rem; }
.tr-progress-bar { height: 8px; background: #F3F4F6; border-radius: 99px; overflow: hidden; }
.tr-progress-fill {
  height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, #F59E0B, #F97316);
  transition: width .2s;
}
.tr-progress-text { font-size: .75rem; color: var(--color-text-muted); margin-top: .25rem; }
.tr-question { font-size: 2.5rem; font-weight: 900; color: var(--color-text); margin: 1rem 0; }
.tr-input {
  width: 120px; text-align: center;
  font-size: 2rem; font-weight: 800;
  border: 3px solid #E5E7EB; border-radius: 1rem;
  padding: .5rem; outline: none;
  font-family: var(--font-sans); color: var(--color-text);
  transition: border-color .15s;
}
.tr-input:focus { border-color: #F59E0B; }
.tr-input.correct { border-color: #10B981; background: #F0FDF4; }
.tr-input.wrong { border-color: #EF4444; background: #FEF2F2; animation: tr-shake .4s; }
@keyframes tr-shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
.tr-result-medal { font-size: 4rem; line-height: 1; margin-bottom: .5rem; }
.tr-result-time { font-size: 2.5rem; font-weight: 900; color: var(--color-text); margin-bottom: .25rem; }
.tr-result-label { font-size: .85rem; color: var(--color-text-muted); margin-bottom: .25rem; }
.tr-result-record {
  display: inline-block; background: #FEF3C7; color: #B45309;
  font-weight: 800; font-size: .85rem; border-radius: var(--radius-full);
  padding: .25rem 1rem; margin: .5rem 0;
}
.tr-result-perfect {
  display: inline-block; background: linear-gradient(135deg, #FEF3C7, #FDE68A);
  color: #92400E; font-weight: 800; font-size: .85rem; border-radius: var(--radius-full);
  padding: .25rem 1rem; margin: .25rem 0;
}
.tr-result-btns { display: flex; gap: .75rem; justify-content: center; margin-top: 1.25rem; }
.tr-btn-again {
  background: linear-gradient(135deg, #F59E0B, #F97316); color: #fff;
  border: none; border-radius: var(--radius-full);
  padding: .65rem 1.75rem; font-weight: 700; font-size: .9rem;
  cursor: pointer; font-family: var(--font-sans);
}
.tr-btn-close {
  background: #F3F4F6; color: var(--color-text);
  border: none; border-radius: var(--radius-full);
  padding: .65rem 1.75rem; font-weight: 700; font-size: .9rem;
  cursor: pointer; font-family: var(--font-sans);
}

@media (max-width: 640px) {
  .tr-question { font-size: 2rem; }
  .tr-input { font-size: 1.5rem; width: 100px; }
  .gymn-game-grid.has-two { grid-template-columns: 1fr; }
  .game-card { padding: var(--space-3) var(--space-4); }
}