/* ============================================
   CodeWisdom Academy — Page Styles
   ============================================ */

/* -----------------------------------------------
   Auth pages
----------------------------------------------- */
.auth-body {
	background: var(--color-neutral-50);
	min-height: 100vh;
	display: flex;
	flex-direction: column;
  }
  .auth-header {
	padding: var(--space-5) var(--space-6);
	border-bottom: 1px solid var(--color-neutral-200);
	background: var(--color-surface);
  }
  .auth-header__logo {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	font-weight: 700;
	font-size: 1.125rem;
	color: var(--color-neutral-900);
  }
  .auth-header__logo-icon {
	width: 28px; height: 28px;
	color: var(--color-primary);
  }
  .auth-main {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-10) var(--space-4);
  }
  .auth-footer {
	padding: var(--space-5);
	text-align: center;
	font-size: 0.875rem;
	color: var(--color-neutral-400);
  }
  
  /* Auth card */
  .auth-card {
	width: 100%;
	max-width: 440px;
	background: var(--color-surface);
	border: 1px solid var(--color-neutral-200);
	border-radius: var(--radius-xl);
	box-shadow: var(--shadow-lg);
	overflow: hidden;
  }
  .auth-card__header {
	padding: var(--space-8) var(--space-8) var(--space-6);
	text-align: center;
	border-bottom: 1px solid var(--color-neutral-100);
  }
  .auth-card__icon {
	width: 52px; height: 52px;
	background: var(--color-primary-light);
	color: var(--color-primary);
	border-radius: var(--radius-lg);
	display: flex;
	align-items: center;
	justify-content: center;
	margin: 0 auto var(--space-4);
  }
  .auth-card__icon i { width: 24px; height: 24px; }
  .auth-card__title    { font-size: 1.375rem; font-weight: 700; margin-bottom: var(--space-1); }
  .auth-card__subtitle { font-size: 0.9375rem; color: var(--color-neutral-500); }
  .auth-card__form {
	padding: var(--space-6) var(--space-8);
  }
  .auth-card__terms {
	font-size: 0.8125rem;
	color: var(--color-neutral-400);
	text-align: center;
	margin-top: var(--space-4);
  }
  .auth-card__terms a { color: var(--color-primary); }
  .auth-card__terms a:hover { text-decoration: underline; }
  
  .auth-card__footer {
	padding: var(--space-5) var(--space-8);
	background: var(--color-neutral-50);
	border-top: 1px solid var(--color-neutral-100);
	text-align: center;
	font-size: 0.9375rem;
	color: var(--color-neutral-500);
  }
  .auth-card__link {
	color: var(--color-primary);
	font-weight: 600;
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
  }
  .auth-card__link:hover { text-decoration: underline; }
  .auth-card__link-icon { width: 14px; height: 14px; }
  
  /* Input with icon */
  .input-wrapper {
	position: relative;
  }
  .input-wrapper__icon {
	position: absolute;
	left: 0.875rem;
	top: 50%;
	transform: translateY(-50%);
	width: 18px; height: 18px;
	color: var(--color-neutral-400);
	pointer-events: none;
  }
  .input-wrapper .form-input--icon {
	padding-left: 2.625rem;
  }
  .input-wrapper .form-input--password {
	padding-right: 3rem;
  }
  .input-wrapper__toggle {
	position: absolute;
	right: 0.875rem;
	top: 50%;
	transform: translateY(-50%);
	color: var(--color-neutral-400);
	cursor: pointer;
	display: flex;
	align-items: center;
  }
  .input-wrapper__toggle:hover { color: var(--color-neutral-600); }
  .input-wrapper__toggle i { width: 18px; height: 18px; }
  
  /* Form extras */
  .form-label-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
  }
  .form-label-link {
	font-size: 0.8125rem;
	color: var(--color-primary);
	font-weight: 500;
  }
  .form-label-link:hover { text-decoration: underline; }
  .form-error__icon { width: 13px; height: 13px; display: inline; }
  
  /* Checkbox */
  .form-checkbox-row { margin-bottom: var(--space-5); }
  .checkbox-label {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	cursor: pointer;
	font-size: 0.9375rem;
	color: var(--color-neutral-600);
	user-select: none;
  }
  .checkbox-input { display: none; }
  .checkbox-custom {
	width: 18px; height: 18px;
	border: 2px solid var(--color-neutral-300);
	border-radius: var(--radius-sm);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	transition: all var(--transition-fast);
	background: var(--color-surface);
  }
  .checkbox-input:checked + .checkbox-custom {
	background: var(--color-primary);
	border-color: var(--color-primary);
  }
  .checkbox-input:checked + .checkbox-custom::after {
	content: '';
	width: 5px; height: 9px;
	border: 2px solid #fff;
	border-top: none;
	border-left: none;
	transform: rotate(45deg) translate(-1px, -1px);
	display: block;
  }
  
  /* Nav link icons */
  .nav-link__icon        { width: 16px; height: 16px; }
  .nav-dropdown__icon    { width: 16px; height: 16px; flex-shrink: 0; }
  .nav-dropdown__header  {
	padding: var(--space-3) var(--space-4) var(--space-2);
	border-bottom: 1px solid var(--color-neutral-100);
	margin-bottom: var(--space-1);
  }
  .nav-dropdown__body    { padding: var(--space-1) var(--space-2); }
  .nav-dropdown__footer  {
	padding: var(--space-1) var(--space-2) var(--space-2);
	border-top: 1px solid var(--color-neutral-100);
	margin-top: var(--space-1);
  }
  .nav-dropdown__user-name  { font-weight: 600; font-size: 0.875rem; color: var(--color-neutral-800); }
  .nav-dropdown__user-email { font-size: 0.8125rem; color: var(--color-neutral-400); }
  .nav-dropdown__item { display: flex; align-items: center; gap: var(--space-2); }
  
  .mobile-menu__icon  { width: 18px; height: 18px; flex-shrink: 0; }
  .mobile-menu__user  {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-3) var(--space-2);
  }
  .mobile-menu__avatar {
	width: 36px; height: 36px;
	border-radius: var(--radius-full);
	background: var(--color-primary);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 600;
	font-size: 0.875rem;
	flex-shrink: 0;
  }
  .mobile-menu__user-name  { font-weight: 600; font-size: 0.9375rem; color: var(--color-neutral-800); }
  .mobile-menu__user-email { font-size: 0.8125rem; color: var(--color-neutral-400); }
  
  /* -----------------------------------------------
	 Hero
  ----------------------------------------------- */
  .hero {
	position: relative;
	padding: var(--space-20) 0;
	background: linear-gradient(180deg, #fff 0%, var(--color-neutral-50) 100%);
	border-bottom: 1px solid var(--color-neutral-200);
	overflow: hidden;
  }
  .hero::before,
  .hero::after {
	content: '';
	position: absolute;
	border-radius: 50%;
	filter: blur(60px);
	z-index: 0;
	pointer-events: none;
  }
  .hero::before {
	width: 420px; height: 420px;
	top: -180px; right: -120px;
	background: radial-gradient(circle, rgba(79,70,229,0.14) 0%, transparent 70%);
  }
  .hero::after {
	width: 320px; height: 320px;
	bottom: -160px; left: -100px;
	background: radial-gradient(circle, rgba(14,165,233,0.12) 0%, transparent 70%);
  }
  .hero__container { position: relative; z-index: 1; }
  .hero__container {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--space-6);
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-16);
	align-items: center;
  }
  .hero__label {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: var(--space-2) var(--space-3);
	background: var(--color-primary-light);
	color: var(--color-primary);
	border-radius: var(--radius-full);
	font-size: 0.875rem;
	font-weight: 600;
	margin-bottom: var(--space-5);
	width: fit-content;
  }
  .hero__label i { width: 15px; height: 15px; }
  .hero__title {
	font-size: clamp(2rem, 4.5vw, 3.25rem);
	font-weight: 800;
	line-height: 1.15;
	color: var(--color-neutral-900);
	margin-bottom: var(--space-5);
	letter-spacing: -0.02em;
  }
  .hero__title-accent {
	background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
  }
  .hero__description {
	font-size: 1.125rem;
	line-height: 1.7;
	color: var(--color-neutral-500);
	max-width: 52ch;
	margin-bottom: var(--space-8);
  }
  .hero__cta {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	flex-wrap: wrap;
	margin-bottom: var(--space-8);
  }
  .hero__social-proof {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	font-size: 0.9375rem;
	color: var(--color-neutral-500);
  }
  .hero__avatars {
	display: flex;
  }
  .hero__avatar {
	width: 32px; height: 32px;
	border-radius: var(--radius-full);
	background: var(--color-primary);
	color: #fff;
	font-size: 0.75rem;
	font-weight: 700;
	display: flex;
	align-items: center;
	justify-content: center;
	border: 2px solid #fff;
	margin-right: -8px;
  }
  .hero__avatar:nth-child(2) { background: #7C3AED; }
  .hero__avatar:nth-child(3) { background: #0EA5E9; }
  .hero__avatar:nth-child(4) { background: #10B981; }
  .hero__avatar:nth-child(5) { background: #F59E0B; }
  
  /* Hero visual */
  .hero__visual { position: relative; }
  .hero__code-card {
	background: var(--color-neutral-900);
	border-radius: var(--radius-xl);
	overflow: hidden;
	box-shadow: var(--shadow-xl);
	border: 1px solid var(--color-neutral-700);
  }
  .hero__code-header {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	padding: var(--space-3) var(--space-4);
	background: var(--color-neutral-800);
	border-bottom: 1px solid var(--color-neutral-700);
  }
  .hero__code-dot {
	width: 12px; height: 12px;
	border-radius: var(--radius-full);
	display: block;
  }
  .hero__code-dot--red    { background: #EF4444; }
  .hero__code-dot--yellow { background: #F59E0B; }
  .hero__code-dot--green  { background: #10B981; }
  .hero__code-lang {
	margin-left: var(--space-2);
	font-size: 0.8125rem;
	font-family: var(--font-mono);
	color: var(--color-neutral-400);
  }
  .hero__code-body {
	padding: var(--space-5) var(--space-5);
	margin: 0;
	font-family: var(--font-mono);
	font-size: 0.9rem;
	line-height: 1.75;
	overflow-x: auto;
  }
  .token-keyword { color: #C792EA; }
  .token-fn      { color: #82AAFF; }
  .token-num     { color: #F78C6C; }
  .token-comment { color: #546E7A; }
  
  /* Glossary preview card */
  .hero__glossary-preview {
	position: absolute;
	bottom: -16px;
	right: -24px;
	background: var(--color-neutral-800);
	border: 1px solid var(--color-neutral-700);
	border-radius: var(--radius-lg);
	padding: var(--space-4);
	max-width: 260px;
	box-shadow: var(--shadow-xl);
	animation: floatCard 4s ease-in-out infinite;
  }
  .hero__glossary-term {
	font-weight: 600;
	color: #fff;
	font-size: 0.875rem;
	margin-bottom: var(--space-2);
	font-family: var(--font-mono);
  }
  .hero__glossary-def {
	font-size: 0.8125rem;
	color: var(--color-neutral-400);
	line-height: 1.5;
  }
  
  @keyframes floatCard {
	0%, 100% { transform: translateY(0); }
	50%       { transform: translateY(-8px); }
  }
  
  /* -----------------------------------------------
	 Stats bar
  ----------------------------------------------- */
  .stats-bar {
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-neutral-200);
	padding: var(--space-6) 0;
  }
  .stats-bar__container {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--space-6);
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--space-4);
  }
  .stats-bar__item {
	display: flex;
	align-items: center;
	gap: var(--space-4);
	padding: var(--space-3) var(--space-6);
	border-right: 1px solid var(--color-neutral-200);
  }
  .stats-bar__item:last-child { border-right: none; }
  .stats-bar__icon {
	width: 40px; height: 40px;
	border-radius: var(--radius-md);
	background: var(--color-primary-light);
	color: var(--color-primary);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
  }
  .stats-bar__icon i { width: 20px; height: 20px; }
  .stats-bar__value { font-size: 1.375rem; font-weight: 700; color: var(--color-neutral-900); line-height: 1.2; }
  .stats-bar__label { font-size: 0.875rem; color: var(--color-neutral-500); }
  
  /* -----------------------------------------------
	 Sections
  ----------------------------------------------- */
  .section { padding: var(--space-20) 0; }
  .section--alt { background: var(--color-neutral-50); border-top: 1px solid var(--color-neutral-200); border-bottom: 1px solid var(--color-neutral-200); }
  
  .section__header {
	text-align: center;
	max-width: 600px;
	margin: 0 auto var(--space-12);
  }
  .section__title    { margin-bottom: var(--space-4); }
  .section__subtitle { font-size: 1.0625rem; color: var(--color-neutral-500); margin: 0 auto; }
  
  .section__cta {
	text-align: center;
	margin-top: var(--space-10);
  }
  
  /* -----------------------------------------------
	 Topics grid
  ----------------------------------------------- */
  .topics-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-4);
  }
  .topic-card {
	display: flex;
	align-items: center;
	gap: var(--space-4);
	padding: var(--space-5) var(--space-6);
	background: var(--color-surface);
	border: 1.5px solid var(--color-neutral-200);
	border-radius: var(--radius-lg);
	text-decoration: none;
	transition: all var(--transition-fast);
  }
  .topic-card:hover {
	border-color: var(--color-primary);
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
  }
  .topic-card__icon {
	width: 44px; height: 44px;
	border-radius: var(--radius-md);
	display: flex; align-items: center; justify-content: center;
	flex-shrink: 0;
  }
  .topic-card__icon i { width: 22px; height: 22px; }
  .topic-card__title { font-size: 1rem; font-weight: 600; color: var(--color-neutral-800); flex: 1; }
  .topic-card__arrow { color: var(--color-neutral-400); }
  .topic-card__arrow i { width: 18px; height: 18px; }
  
  .topic-card--blue   .topic-card__icon { background: #EFF6FF; color: #3B82F6; }
  .topic-card--purple .topic-card__icon { background: #F5F3FF; color: #7C3AED; }
  .topic-card--green  .topic-card__icon { background: #F0FDF4; color: #10B981; }
  .topic-card--orange .topic-card__icon { background: #FFF7ED; color: #F97316; }
  .topic-card--cyan   .topic-card__icon { background: #ECFEFF; color: #06B6D4; }
  .topic-card--rose   .topic-card__icon { background: #FFF1F2; color: #F43F5E; }
  
  /* -----------------------------------------------
	 Features grid
  ----------------------------------------------- */
  .features-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-6);
  }
  .feature-card {
	background: var(--color-surface);
	border: 1px solid var(--color-neutral-200);
	border-radius: var(--radius-lg);
	padding: var(--space-6);
	transition: box-shadow var(--transition-fast);
  }
  .feature-card { transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast); }
  .feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--color-primary-light); }
  .feature-card__icon {
	width: 48px; height: 48px;
	border-radius: var(--radius-lg);
	display: flex; align-items: center; justify-content: center;
	margin-bottom: var(--space-4);
  }
  .feature-card__icon i { width: 24px; height: 24px; }
  .feature-card__title { font-size: 1.0625rem; font-weight: 600; margin-bottom: var(--space-2); color: var(--color-neutral-900); }
  .feature-card__desc  { font-size: 0.9375rem; color: var(--color-neutral-500); line-height: 1.6; max-width: none; }
  
  .feature-card__icon--blue   { background: #EFF6FF; color: #3B82F6; }
  .feature-card__icon--purple { background: #F5F3FF; color: #7C3AED; }
  .feature-card__icon--green  { background: #F0FDF4; color: #10B981; }
  .feature-card__icon--orange { background: #FFF7ED; color: #F97316; }
  .feature-card__icon--cyan   { background: #ECFEFF; color: #06B6D4; }
  .feature-card__icon--rose   { background: #FFF1F2; color: #F43F5E; }
  
  /* -----------------------------------------------
	 Courses grid
  ----------------------------------------------- */
  .courses-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-5);
  }
  .courses-grid--main { grid-template-columns: repeat(2, 1fr); }
  
  .course-card__thumbnail {
	display: block;
	position: relative;
	aspect-ratio: 16/9;
	overflow: hidden;
	background: var(--color-neutral-100);
  }
  .course-card__thumbnail img {
	width: 100%; height: 100%;
	object-fit: cover;
	transition: transform var(--transition-normal);
  }
  .course-card:hover .course-card__thumbnail img { transform: scale(1.04); }
  .course-card__thumbnail-placeholder {
	width: 100%; height: 100%;
	display: flex; align-items: center; justify-content: center;
	background: linear-gradient(135deg, var(--color-primary-light) 0%, #E0E7FF 100%);
	color: var(--color-primary);
  }
  .course-card__thumbnail-placeholder i { width: 48px; height: 48px; opacity: 0.5; }
  .course-card__badge { position: absolute; top: var(--space-3); left: var(--space-3); }
  
  .course-card__body { flex: 1; }
  .course-card__topic {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--color-primary);
	text-transform: uppercase;
	letter-spacing: 0.06em;
	margin-bottom: var(--space-2);
  }
  .course-card__topic-icon { width: 13px; height: 13px; }
  .course-card__title { font-size: 1rem; font-weight: 600; margin-bottom: var(--space-2); line-height: 1.4; }
  .course-card__title a { color: var(--color-neutral-900); }
  .course-card__title a:hover { color: var(--color-primary); }
  .course-card__desc { font-size: 0.875rem; color: var(--color-neutral-500); line-height: 1.5; max-width: none; }
  .course-card__author {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.8125rem;
	color: var(--color-neutral-400);
	margin-top: var(--space-3);
  }
  .course-card__author-icon { width: 14px; height: 14px; }
  .course-card__footer { display: flex; align-items: center; justify-content: space-between; }
  .course-card__meta {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.875rem;
	color: var(--color-neutral-400);
  }
  .course-card__meta i { width: 14px; height: 14px; }
  
  /* -----------------------------------------------
	 CTA Banner
  ----------------------------------------------- */
  .cta-banner {
	background: linear-gradient(135deg, var(--color-primary) 0%, #6D28D9 100%);
	padding: var(--space-20) 0;
  }
  .cta-banner__container {
	max-width: var(--max-width);
	margin: 0 auto;
	padding: 0 var(--space-6);
  }
  .cta-banner__content { text-align: center; }
  .cta-banner__title {
	font-size: clamp(1.75rem, 3.5vw, 2.5rem);
	font-weight: 800;
	color: #fff;
	margin-bottom: var(--space-4);
	letter-spacing: -0.02em;
  }
  .cta-banner__subtitle {
	font-size: 1.0625rem;
	color: rgba(255,255,255,0.8);
	margin: 0 auto var(--space-8);
  }
  .cta-banner__actions {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-4);
	flex-wrap: wrap;
  }
  .cta-banner .btn--secondary {
	background: rgba(255,255,255,0.15);
	color: #fff;
	border-color: rgba(255,255,255,0.3);
  }
  .cta-banner .btn--secondary:hover {
	background: rgba(255,255,255,0.25);
  }
  
  /* -----------------------------------------------
	 Page header (Courses index, etc.)
  ----------------------------------------------- */
  .page-header {
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-neutral-200);
	padding: var(--space-10) 0 var(--space-8);
  }
  .page-header__title {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	margin-bottom: var(--space-2);
  }
  .page-header__icon { width: 32px; height: 32px; color: var(--color-primary); }
  .page-header__desc { font-size: 1.0625rem; color: var(--color-neutral-500); max-width: 60ch; }
  
  /* -----------------------------------------------
	 Courses layout (index page)
  ----------------------------------------------- */
  .courses-layout {
	display: grid;
	grid-template-columns: 240px 1fr;
	gap: var(--space-10);
	padding: var(--space-10) 0 var(--space-16);
	align-items: start;
  }
  .courses-sidebar { position: sticky; top: calc(var(--nav-height) + var(--space-5)); }
  
  .filter-group { margin-bottom: var(--space-6); }
  .filter-group__title {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-size: 0.8125rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--color-neutral-500);
	margin-bottom: var(--space-3);
	padding: 0 var(--space-2);
  }
  .filter-group__title i { width: 14px; height: 14px; }
  .filter-list { display: flex; flex-direction: column; gap: var(--space-1); }
  .filter-item {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	padding: var(--space-2) var(--space-3);
	border-radius: var(--radius-sm);
	font-size: 0.9375rem;
	color: var(--color-neutral-600);
	transition: all var(--transition-fast);
	text-decoration: none;
  }
  .filter-item i { width: 16px; height: 16px; flex-shrink: 0; }
  .filter-item:hover { background: var(--color-neutral-100); color: var(--color-neutral-900); }
  .filter-item--active { background: var(--color-primary-light); color: var(--color-primary); font-weight: 600; }
  .filter-item__count {
	margin-left: auto;
	font-size: 0.75rem;
	background: var(--color-neutral-200);
	color: var(--color-neutral-500);
	padding: 0.1rem 0.5rem;
	border-radius: var(--radius-full);
  }
  .filter-item--active .filter-item__count {
	background: rgba(79,70,229,0.15);
	color: var(--color-primary);
  }
  
  .courses-results {
	margin-bottom: var(--space-6);
  }
  .courses-results__count { font-size: 0.9375rem; color: var(--color-neutral-500); }
  .courses-results__filter {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	margin-left: var(--space-2);
  }
  .courses-results__clear {
	display: inline-flex;
	align-items: center;
	width: 20px; height: 20px;
	border-radius: var(--radius-full);
	background: var(--color-neutral-200);
	color: var(--color-neutral-600);
	justify-content: center;
  }
  .courses-results__clear:hover { background: var(--color-danger); color: #fff; }
  .courses-results__clear i { width: 12px; height: 12px; }
  
  /* -----------------------------------------------
	 Empty state
  ----------------------------------------------- */
  .empty-state {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: var(--space-16) var(--space-6);
	gap: var(--space-4);
  }
  .empty-state--sm { padding: var(--space-10) var(--space-6); }
  .empty-state__icon {
	width: 64px; height: 64px;
	border-radius: var(--radius-xl);
	background: var(--color-neutral-100);
	color: var(--color-neutral-300);
	display: flex; align-items: center; justify-content: center;
  }
  .empty-state__icon i { width: 32px; height: 32px; }
  .empty-state__title { font-size: 1.125rem; color: var(--color-neutral-700); }
  .empty-state__desc  { font-size: 0.9375rem; color: var(--color-neutral-400); margin: 0; }
  
  /* -----------------------------------------------
	 Breadcrumb
  ----------------------------------------------- */
  .breadcrumb {
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-neutral-200);
	padding: var(--space-3) 0;
  }
  .breadcrumb__list {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	flex-wrap: wrap;
  }
  .breadcrumb__link {
	font-size: 0.875rem;
	color: var(--color-neutral-500);
  }
  .breadcrumb__link:hover { color: var(--color-primary); }
  .breadcrumb__sep { width: 14px; height: 14px; color: var(--color-neutral-300); flex-shrink: 0; }
  .breadcrumb__current { font-size: 0.875rem; color: var(--color-neutral-700); font-weight: 500; }
  
  /* -----------------------------------------------
	 Course detail page
  ----------------------------------------------- */
  .course-detail-layout {
	display: grid;
	grid-template-columns: 1fr 380px;
	gap: var(--space-10);
	padding: var(--space-10) 0 var(--space-16);
	align-items: start;
  }
  .course-detail-sidebar {
	position: sticky;
	top: calc(var(--nav-height) + var(--space-5));
	display: flex;
	flex-direction: column;
	gap: var(--space-4);
  }
  
  .course-hero { margin-bottom: var(--space-8); }
  .course-hero__topic {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.8125rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--color-primary);
	margin-bottom: var(--space-3);
	text-decoration: none;
  }
  .course-hero__topic:hover { text-decoration: underline; }
  .course-hero__title { font-size: clamp(1.5rem, 3vw, 2.25rem); margin-bottom: var(--space-4); letter-spacing: -0.01em; }
  .course-hero__desc  { font-size: 1.0625rem; color: var(--color-neutral-500); line-height: 1.7; max-width: 65ch; margin-bottom: var(--space-5); }
  .course-hero__meta  {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-4);
  }
  .course-hero__meta-item {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.9375rem;
	color: var(--color-neutral-500);
  }
  .course-hero__meta-item i { width: 15px; height: 15px; }
  .course-hero__progress      { margin-top: var(--space-6); }
  .course-hero__progress-header {
	display: flex;
	justify-content: space-between;
	font-size: 0.875rem;
	color: var(--color-neutral-500);
	margin-bottom: var(--space-2);
  }
  
  /* Lesson list */
  .lesson-list { border: 1px solid var(--color-neutral-200); border-radius: var(--radius-xl); overflow: hidden; }
  .lesson-list__title {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	padding: var(--space-5) var(--space-6);
	font-size: 1.0625rem;
	background: var(--color-neutral-50);
	border-bottom: 1px solid var(--color-neutral-200);
  }
  .lesson-list__title i { width: 20px; height: 20px; }
  .lesson-list__count {
	margin-left: auto;
	font-size: 0.875rem;
	font-weight: 400;
	color: var(--color-neutral-400);
  }
  .lesson-list__items { list-style: none; }
  .lesson-list__item  {
	display: flex;
	align-items: flex-start;
	gap: var(--space-4);
	padding: var(--space-4) var(--space-6);
	border-bottom: 1px solid var(--color-neutral-100);
	background: var(--color-surface);
	transition: background var(--transition-fast);
  }
  .lesson-list__item:last-child { border-bottom: none; }
  .lesson-list__item:hover { background: var(--color-neutral-50); }
  .lesson-list__number {
	width: 28px; height: 28px;
	border-radius: var(--radius-full);
	background: var(--color-neutral-100);
	color: var(--color-neutral-500);
	font-size: 0.8125rem;
	font-weight: 600;
	display: flex; align-items: center; justify-content: center;
	flex-shrink: 0;
  }
  .lesson-list__content { flex: 1; }
  .lesson-list__lesson-title { font-size: 0.9375rem; font-weight: 500; color: var(--color-neutral-800); }
  .lesson-list__link { color: var(--color-neutral-800); }
  .lesson-list__link:hover { color: var(--color-primary); }
  .lesson-list__desc { font-size: 0.8125rem; color: var(--color-neutral-400); margin-top: var(--space-1); }
  .lesson-list__action { flex-shrink: 0; }
  .lesson-list__btn {
	width: 32px; height: 32px;
	border-radius: var(--radius-full);
	background: var(--color-primary);
	color: #fff;
	display: flex; align-items: center; justify-content: center;
	transition: background var(--transition-fast);
  }
  .lesson-list__btn:hover { background: var(--color-primary-dark); }
  .lesson-list__btn i { width: 16px; height: 16px; }
  .lesson-list__btn--preview { background: var(--color-neutral-200); color: var(--color-neutral-600); }
  .lesson-list__btn--preview:hover { background: var(--color-primary); color: #fff; }
  .lesson-list__locked {
	width: 32px; height: 32px;
	display: flex; align-items: center; justify-content: center;
	color: var(--color-neutral-300);
  }
  .lesson-list__locked i { width: 16px; height: 16px; }
  
  /* Enroll card */
  .course-enroll-card__thumb { aspect-ratio: 16/9; overflow: hidden; }
  .course-enroll-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
  .course-enroll-card__enrolled {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-3) var(--space-4);
	background: #F0FDF4;
	border: 1px solid #BBF7D0;
	border-radius: var(--radius-md);
	margin-bottom: var(--space-4);
  }
  .course-enroll-card__check { width: 20px; height: 20px; color: #10B981; }
  .course-enroll-card__enrolled-text { font-weight: 600; color: #065F46; font-size: 0.9375rem; }
  .course-enroll-card__free {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--color-neutral-900);
	margin-bottom: var(--space-4);
  }
  .course-enroll-card__free i { width: 20px; height: 20px; color: var(--color-success); }
  
  .course-detail-list {
	margin-top: var(--space-5);
	padding-top: var(--space-5);
	border-top: 1px solid var(--color-neutral-100);
	display: flex;
	flex-direction: column;
	gap: var(--space-3);
  }
  .course-detail-list__item {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	font-size: 0.9375rem;
	color: var(--color-neutral-600);
  }
  .course-detail-list__icon { width: 16px; height: 16px; color: var(--color-neutral-400); flex-shrink: 0; }
  
  /* -----------------------------------------------
	 Dashboard
  ----------------------------------------------- */
  .dashboard-header {
	background: var(--color-surface);
	border-bottom: 1px solid var(--color-neutral-200);
	padding: var(--space-8) 0;
  }
  .dashboard-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-6);
  }
  .dashboard-header__info {
	display: flex;
	align-items: center;
	gap: var(--space-4);
  }
  .dashboard-header__avatar {
	width: 52px; height: 52px;
	border-radius: var(--radius-full);
	background: var(--color-primary);
	color: #fff;
	font-size: 1.25rem;
	font-weight: 700;
	display: flex; align-items: center; justify-content: center;
	flex-shrink: 0;
  }
  .dashboard-header__title    { font-size: 1.375rem; font-weight: 700; margin-bottom: var(--space-1); }
  .dashboard-header__subtitle { font-size: 0.9375rem; color: var(--color-neutral-500); }

  /* ── Author Studio banner (dashboard, authors only) ─────── */
  .studio-banner {
	margin-top: var(--space-6);
	display: flex; flex-wrap: wrap; gap: var(--space-5);
	align-items: center; justify-content: space-between;
	padding: var(--space-5) var(--space-6);
	border-radius: var(--radius-2xl, 1rem);
	background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
	border: 1px solid rgba(255,255,255,.08);
	box-shadow: 0 10px 30px -12px rgba(15,23,42,.5);
	color: #fff;
  }
  .studio-banner__lead { display: flex; gap: var(--space-4); align-items: flex-start; min-width: 0; }
  .studio-banner__icon {
	flex-shrink: 0; width: 52px; height: 52px; border-radius: var(--radius-xl, .85rem);
	display: flex; align-items: center; justify-content: center;
	background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
	box-shadow: 0 6px 16px -6px color-mix(in srgb, var(--color-primary) 60%, transparent);
  }
  .studio-banner__icon i { width: 26px; height: 26px; color: #fff; }
  .studio-banner__title { font-size: 1.25rem; font-weight: 800; letter-spacing: -.01em; }
  .studio-banner__subtitle { font-size: .875rem; color: #CBD5E1; margin-top: 2px; max-width: 46ch; }
  .studio-banner__subtitle strong { color: #fff; }
  .studio-banner__meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: var(--space-3); }
  .studio-chip {
	font-size: .75rem; padding: .3rem .65rem; border-radius: var(--radius-full);
	background: rgba(255,255,255,.08); color: #E2E8F0; border: 1px solid rgba(255,255,255,.1);
  }
  .studio-chip strong { color: #fff; font-weight: 700; }
  .studio-chip--draft { background: rgba(234,88,12,.18); border-color: rgba(234,88,12,.4); color: #FED7AA; }
  .studio-chip--draft strong { color: #FDBA74; }
  .studio-chip--live  { background: rgba(16,185,129,.16); border-color: rgba(16,185,129,.35); color: #A7F3D0; }
  .studio-chip--live strong { color: #6EE7B7; }
  .studio-banner__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); flex-shrink: 0; }
  .studio-banner__actions .btn--ghost {
	background: rgba(255,255,255,.06); color: #fff; border: 1px solid rgba(255,255,255,.18);
  }
  .studio-banner__actions .btn--ghost:hover { background: rgba(255,255,255,.12); }

  .dashboard-layout {
	display: grid;
	grid-template-columns: 1fr 300px;
	gap: var(--space-8);
	padding: var(--space-8) 0 var(--space-16);
	align-items: start;
  }
  .dashboard-sidebar {
	position: sticky;
	top: calc(var(--nav-height) + var(--space-5));
	display: flex;
	flex-direction: column;
	gap: var(--space-5);
  }
  
  /* Stats row */
  .dashboard-stats {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--space-4);
	margin-bottom: var(--space-8);
  }
  .dash-stat {
	display: flex;
	align-items: center;
	gap: var(--space-4);
	padding: var(--space-5);
	background: var(--color-surface);
	border: 1px solid var(--color-neutral-200);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-sm);
  }
  .dash-stat__icon {
	width: 44px; height: 44px;
	border-radius: var(--radius-md);
	display: flex; align-items: center; justify-content: center;
	flex-shrink: 0;
  }
  .dash-stat__icon i { width: 22px; height: 22px; }
  .dash-stat__icon--blue   { background: #EFF6FF; color: #3B82F6; }
  .dash-stat__icon--green  { background: #F0FDF4; color: #10B981; }
  .dash-stat__icon--purple { background: #F5F3FF; color: #7C3AED; }
  .dash-stat__icon--orange { background: #FFF7ED; color: #F97316; }
  .dash-stat__value { font-size: 1.625rem; font-weight: 700; color: var(--color-neutral-900); line-height: 1; }
  .dash-stat__label { font-size: 0.8125rem; color: var(--color-neutral-500); margin-top: var(--space-1); }
  
  /* Dashboard section */
  .dashboard-section { margin-bottom: var(--space-8); }
  .dashboard-section__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: var(--space-4);
  }
  .dashboard-section__title {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--color-neutral-900);
  }
  .dashboard-section__title i { width: 20px; height: 20px; color: var(--color-neutral-400); }
  .dashboard-section__link {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.875rem;
	color: var(--color-primary);
	font-weight: 500;
  }
  .dashboard-section__link:hover { text-decoration: underline; }
  .dashboard-section__link i { width: 14px; height: 14px; }
  
  /* Enrolled courses */
  .enrolled-courses { display: flex; flex-direction: column; gap: var(--space-3); }
  .enrolled-course   { overflow: visible; }
  .enrolled-course__body {
	padding: var(--space-5) var(--space-5);
	display: flex;
	align-items: center;
	gap: var(--space-4);
  }
  .enrolled-course__info {
	display: flex;
	align-items: flex-start;
	gap: var(--space-4);
	flex: 1;
  }
  .enrolled-course__icon {
	width: 44px; height: 44px;
	border-radius: var(--radius-md);
	background: var(--color-primary-light);
	color: var(--color-primary);
	display: flex; align-items: center; justify-content: center;
	flex-shrink: 0;
  }
  .enrolled-course__icon i { width: 22px; height: 22px; }
  .enrolled-course__details { flex: 1; }
  .enrolled-course__title   { font-size: 0.9375rem; font-weight: 600; margin-bottom: var(--space-1); }
  .enrolled-course__title a { color: var(--color-neutral-900); }
  .enrolled-course__title a:hover { color: var(--color-primary); }
  .enrolled-course__enrolled-date {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.8125rem;
	color: var(--color-neutral-400);
	margin-bottom: var(--space-3);
  }
  .enrolled-course__enrolled-date i { width: 13px; height: 13px; }
  .enrolled-course__progress-wrap  { margin-top: var(--space-2); }
  .enrolled-course__progress-header {
	display: flex;
	justify-content: space-between;
	font-size: 0.8125rem;
	color: var(--color-neutral-500);
	margin-bottom: var(--space-2);
  }
  .enrolled-course__progress-label {
	display: flex;
	align-items: center;
	gap: var(--space-1);
  }
  .enrolled-course__progress-label i { width: 13px; height: 13px; }
  .enrolled-course__progress-pct { font-weight: 600; }
  .enrolled-course__btn { flex-shrink: 0; }
  .color-success { color: var(--color-success); }
  .progress__bar--success { background: var(--color-success); }
  
  /* Recent list */
  .recent-list { display: flex; flex-direction: column; gap: var(--space-3); }
  .recent-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-neutral-200);
	border-radius: var(--radius-lg);
  }
  .recent-item__icon {
	width: 36px; height: 36px;
	border-radius: var(--radius-md);
	background: var(--color-neutral-100);
	color: var(--color-neutral-400);
	display: flex; align-items: center; justify-content: center;
	flex-shrink: 0;
  }
  .recent-item__icon i { width: 18px; height: 18px; }
  .recent-item__info { flex: 1; }
  .recent-item__lesson { font-size: 0.9375rem; font-weight: 500; }
  .recent-item__lesson a { color: var(--color-neutral-800); }
  .recent-item__lesson a:hover { color: var(--color-primary); }
  .recent-item__course {
	display: flex;
	align-items: center;
	gap: var(--space-1);
	font-size: 0.8125rem;
	color: var(--color-neutral-400);
	margin-top: var(--space-1);
  }
  .recent-item__course i { width: 12px; height: 12px; }
  .recent-item__meta { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: var(--space-2); }
  .recent-item__time  { font-size: 0.8125rem; color: var(--color-neutral-400); }
  
  /* Dash widget */
  .dash-widget__title {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	font-size: 0.9375rem;
	font-weight: 600;
	color: var(--color-neutral-800);
  }
  .dash-widget__title i { width: 18px; height: 18px; color: var(--color-neutral-400); }
  .dash-widget__empty {
	text-align: center;
	padding: var(--space-6) 0;
  }
  .dash-widget__empty-icon { width: 40px; height: 40px; color: var(--color-neutral-200); margin: 0 auto var(--space-3); }
  .dash-widget__empty p   { font-size: 0.875rem; color: var(--color-neutral-400); margin: 0; }
  
  /* Badges */
  .card__header--between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); }
  .badge-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4) var(--space-3); }
  .badge-item { text-align: center; }
  .badge-item__icon {
	position: relative;
	width: 48px; height: 48px;
	border-radius: var(--radius-full);
	background: var(--color-primary-light);
	color: var(--color-primary);
	display: flex; align-items: center; justify-content: center;
	margin: 0 auto var(--space-2);
	transition: transform .18s ease, box-shadow .18s ease;
  }
  .badge-item__icon i { width: 22px; height: 22px; }
  .badge-item__name { font-size: 0.75rem; font-weight: 600; color: var(--color-neutral-700); line-height: 1.3; }
  .badge-item__date { font-size: 0.6875rem; color: var(--color-neutral-400); margin-top: 2px; }

  /* Earned — full colour + subtle pop on hover */
  .badge-item--earned .badge-item__icon {
	background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
	color: #fff;
	box-shadow: 0 4px 12px -3px color-mix(in srgb, var(--color-primary) 55%, transparent);
  }
  .badge-item--earned:hover .badge-item__icon { transform: translateY(-2px) scale(1.05); }

  /* Locked — greyed, with a small lock chip + progress bar toward unlock */
  .badge-item--locked { opacity: .95; }
  .badge-item--locked .badge-item__icon { background: var(--color-neutral-100); color: var(--color-neutral-400); }
  .badge-item--locked .badge-item__name { color: var(--color-neutral-500); }
  .badge-item__lock {
	position: absolute; right: -3px; bottom: -3px;
	width: 20px; height: 20px; border-radius: var(--radius-full);
	background: var(--color-neutral-500); color: #fff;
	display: flex; align-items: center; justify-content: center;
	border: 2px solid var(--color-surface, #fff);
  }
  .badge-item__lock i { width: 10px; height: 10px; }
  .badge-item__progress {
	height: 5px; border-radius: var(--radius-full);
	background: var(--color-neutral-200);
	overflow: hidden; margin: 6px auto 3px; max-width: 72px;
  }
  .badge-item__progress > span {
	display: block; height: 100%;
	border-radius: var(--radius-full);
	background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
	transition: width .5s ease;
  }
  
  /* Quick links */
  .quick-links { display: flex; flex-direction: column; gap: var(--space-1); }
  .quick-link {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-2) var(--space-3);
	font-size: 0.9375rem;
	color: var(--color-neutral-600);
	border-radius: var(--radius-sm);
	transition: all var(--transition-fast);
	text-decoration: none;
  }
  .quick-link i { width: 16px; height: 16px; flex-shrink: 0; }
  .quick-link:hover { background: var(--color-primary-light); color: var(--color-primary); }
  
  /* -----------------------------------------------
	 Responsive — Phase 2 pages
  ----------------------------------------------- */
  @media (max-width: 1024px) {
	.hero__container       { grid-template-columns: 1fr; gap: var(--space-10); }
	.hero__visual          { display: none; }
	.topics-grid           { grid-template-columns: repeat(2, 1fr); }
	.features-grid         { grid-template-columns: repeat(2, 1fr); }
	.courses-grid          { grid-template-columns: repeat(2, 1fr); }
	.stats-bar__container  { grid-template-columns: repeat(2, 1fr); }
	.stats-bar__item       { border-right: none; border-bottom: 1px solid var(--color-neutral-200); }
	.stats-bar__item:nth-child(even) { }
	.course-detail-layout  { grid-template-columns: 1fr; }
	.course-detail-sidebar { position: static; }
	.dashboard-layout      { grid-template-columns: 1fr; }
	.dashboard-sidebar     { position: static; display: grid; grid-template-columns: repeat(2, 1fr); }
	.dashboard-stats       { grid-template-columns: repeat(2, 1fr); }
  }
  
  @media (max-width: 768px) {
	.hero { padding: var(--space-12) 0; }
	.hero__cta { flex-direction: column; align-items: flex-start; }
	.topics-grid    { grid-template-columns: 1fr; }
	.features-grid  { grid-template-columns: 1fr; }
	.courses-grid   { grid-template-columns: 1fr; }
	.courses-grid--main { grid-template-columns: 1fr; }
	.courses-layout { grid-template-columns: 1fr; }
	.courses-sidebar { position: static; }
	.dashboard-stats     { grid-template-columns: repeat(2, 1fr); }
	.dashboard-sidebar   { grid-template-columns: 1fr; }
	.enrolled-course__body { flex-direction: column; align-items: flex-start; }
	.auth-card__form     { padding: var(--space-5) var(--space-5); }
	.auth-card__header   { padding: var(--space-6) var(--space-5) var(--space-5); }
	.auth-card__footer   { padding: var(--space-4) var(--space-5); }
	.dashboard-header__inner { flex-direction: column; align-items: flex-start; }
  }
  
  @media (max-width: 480px) {
	.stats-bar__container { grid-template-columns: repeat(2, 1fr); }
	.dashboard-stats      { grid-template-columns: 1fr; }
	.cta-banner__actions  { flex-direction: column; }
	.badge-grid           { grid-template-columns: repeat(2, 1fr); }
	.hero__container,
	.stats-bar__container,
	.courses-layout,
	.course-detail-layout { padding-left: var(--space-4); padding-right: var(--space-4); }
	.page-header          { padding: var(--space-6) 0 var(--space-5); }
	.hero                 { padding: var(--space-10) 0; }
	.section              { padding: var(--space-12) 0; }
  }

  .lesson-list__number--done {
        background: #D1FAE5;
        color: #065F46;
    }