/* style.css - follow Scalable and Modular Architecture for CSS (SMACSS) */

/* Base */
:root {
	--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
	--primary-color: #667eea;
	--primary-dark: #764ba2;
	--success-color: #38a169;
	--warning-color: #ed8936;
	--danger-color: #e53e3e;
	--info-color: #3182ce;
	--secondary-color: #6c757d;
	
	--text-primary: #2d3748;
	--text-secondary: #4a5568;
	--text-muted: #718096;
	--text-light: #a0aec0;
	
	--bg-primary: #ffffff;
	--bg-secondary: #f7fafc;
	--bg-tertiary: #edf2f7;
	--border-color: #e2e8f0;
	--border-hover: #cbd5e0;
	
	--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
	--shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
	--shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
	--shadow-primary: 0 4px 20px rgba(0, 0, 0, 0.08);
	--shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
	
	--radius-sm: 0.25rem;
	--radius-md: 0.5rem;
	--radius-lg: 0.75rem;
	--radius-xl: 1rem;
	--radius-full: 9999px;
	
	--spacing-xs: 0.25rem;
	--spacing-sm: 0.5rem;
	--spacing-md: 1rem;
	--spacing-lg: 1.5rem;
	--spacing-xl: 2rem;
	--spacing-2xl: 3rem;
	--spacing-3xl: 4rem;
}

* {
	box-sizing: border-box;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
	line-height: 1.6;
	color: var(--text-primary);
	margin: 0;
	padding: 0;
	background-color: var(--bg-secondary);
}

h1, h2, h3, h4, h5, h6 {
	font-weight: 600;
	line-height: 1.3;
	margin: 0 0 var(--spacing-md) 0;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
	margin: 0 0 var(--spacing-md) 0;
}

a {
	color: var(--primary-color);
	text-decoration: none;
	transition: color 0.2s ease;
}

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

/* Layout */
.main-header {
	background: var(--bg-primary);
	border-bottom: 1px solid var(--border-color);
	position: sticky;
	top: 0;
	z-index: 100;
	box-shadow: var(--shadow-sm);
}

.main-nav {
	padding: 0 var(--spacing-lg);
}

.nav-container {
	max-width: 1200px;
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 4rem;
}

.nav-brand {
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--text-primary);
	text-decoration: none;
}

.nav-brand:hover {
	color: var(--primary-color);
}

.brand-icon {
	font-size: 1.5rem;
}

.nav-links {
	display: flex;
	align-items: center;
	gap: var(--spacing-lg);
}

.nav-link {
	font-weight: 500;
	color: var(--text-secondary);
	padding: var(--spacing-sm) var(--spacing-md);
	border-radius: var(--radius-md);
	transition: all 0.2s ease;
}

.nav-link:hover {
	color: var(--primary-color);
	background-color: var(--bg-tertiary);
}

.nav-cta {
	background: var(--primary-gradient);
	color: white !important;
	font-weight: 600;
}

.nav-cta:hover {
	opacity: 0.9;
	color: white !important;
	background: var(--primary-gradient);
}

.nav-dropdown {
	position: relative;
}

.nav-dropdown-trigger {
	background: none;
	border: none;
	color: var(--text-secondary);
	font-weight: 500;
	padding: var(--spacing-sm) var(--spacing-md);
	border-radius: var(--radius-md);
	cursor: pointer;
	display: flex;
	align-items: center;
	gap: var(--spacing-xs);
	transition: all 0.2s ease;
}

.nav-dropdown-trigger:hover {
	color: var(--primary-color);
	background-color: var(--bg-tertiary);
}

.dropdown-arrow {
	font-size: 0.75rem;
	transition: transform 0.2s ease;
}

.nav-dropdown.active .dropdown-arrow {
	transform: rotate(180deg);
}

.nav-dropdown-menu {
	position: absolute;
	top: 100%;
	right: 0;
	background: var(--bg-primary);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-lg);
	min-width: 150px;
	padding: var(--spacing-sm) 0;
	opacity: 0;
	visibility: hidden;
	transform: translateY(-10px);
	transition: all 0.2s ease;
}

.nav-dropdown.active .nav-dropdown-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.nav-dropdown-link {
	display: block;
	padding: var(--spacing-sm) var(--spacing-md);
	color: var(--text-secondary);
	font-weight: 500;
	transition: all 0.2s ease;
}

.nav-dropdown-link:hover {
	color: var(--primary-color);
	background-color: var(--bg-tertiary);
}

.nav-mobile-toggle {
	display: none;
	flex-direction: column;
	background: none;
	border: none;
	cursor: pointer;
	padding: var(--spacing-sm);
	gap: 3px;
}

.hamburger-line {
	width: 20px;
	height: 2px;
	background-color: var(--text-secondary);
	transition: all 0.3s ease;
}

.nav-mobile-toggle.active .hamburger-line:nth-child(1) {
	transform: rotate(45deg) translate(5px, 5px);
}

.nav-mobile-toggle.active .hamburger-line:nth-child(2) {
	opacity: 0;
}

.nav-mobile-toggle.active .hamburger-line:nth-child(3) {
	transform: rotate(-45deg) translate(7px, -6px);
}

.main-content {
	min-height: calc(100vh - 4rem - 200px);
}

.main-footer {
	background: var(--text-primary);
	color: white;
	margin-top: var(--spacing-3xl);
}

.footer-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: var(--spacing-xl);
	margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
	margin-bottom: var(--spacing-md);
	color: white;
}

.footer-section p {
	color: var(--text-light);
	margin-bottom: var(--spacing-md);
}

.footer-section a {
	display: block;
	color: var(--text-light);
	margin-bottom: var(--spacing-sm);
	transition: color 0.2s ease;
}

.footer-section a:hover {
	color: white;
}

.footer-bottom {
	border-top: 1px solid var(--text-secondary);
	padding-top: var(--spacing-lg);
	text-align: center;
	color: var(--text-light);
}

/* Modules */
/* Hero section module */
.hero-section {
	background: var(--primary-gradient);
	color: white;
	padding: var(--spacing-3xl) var(--spacing-xl);
	text-align: center;
	margin-bottom: var(--spacing-3xl);
}

.hero-content {
	max-width: 800px;
	margin: 0 auto;
}

.hero-section h1 {
	font-size: 3rem;
	font-weight: 700;
	margin: 0 0 var(--spacing-md) 0;
	line-height: 1.2;
	color: white;
}

.hero-subtitle {
	font-size: 1.25rem;
	margin: 0 0 var(--spacing-xl) 0;
	opacity: 0.9;
	line-height: 1.5;
}

.hero-features {
	display: flex;
	justify-content: center;
	gap: var(--spacing-xl);
	margin-bottom: var(--spacing-2xl);
	flex-wrap: wrap;
}

.feature-item {
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
	background: rgba(255, 255, 255, 0.1);
	padding: 0.75rem var(--spacing-lg);
	border-radius: var(--radius-full);
	backdrop-filter: blur(10px);
}

.feature-icon {
	font-size: 1.25rem;
}

.hero-actions {
	display: flex;
	gap: var(--spacing-md);
	justify-content: center;
	flex-wrap: wrap;
}

/* Content sections module */
.content-sections {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--spacing-xl);
}

.section-container {
	margin-bottom: var(--spacing-3xl);
}

.section-subtitle {
	text-align: center;
	font-size: 1.1rem;
	color: var(--text-secondary);
	margin: 0 0 var(--spacing-2xl) 0;
}

.section-cta {
	text-align: center;
	margin-top: var(--spacing-xl);
}

/* Benefits section module */
.benefits-section h2,
.content-areas-section h2,
.cta-section h2 {
	text-align: center;
	font-size: 2.5rem;
	color: var(--text-primary);
	margin: 0 0 var(--spacing-md) 0;
	font-weight: 700;
}

.benefits-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: var(--spacing-xl);
	margin-top: var(--spacing-xl);
}

.benefit-card {
	background: var(--bg-primary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-xl);
	text-align: center;
	box-shadow: var(--shadow-primary);
	transition: all 0.3s ease;
	border: 1px solid var(--border-color);
}

.benefit-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-hover);
	border-color: var(--primary-color);
}

.benefit-icon {
	font-size: 3rem;
	margin-bottom: var(--spacing-md);
	display: block;
}

.benefit-card h3 {
	font-size: 1.25rem;
	color: var(--text-primary);
	margin: 0 0 var(--spacing-md) 0;
	font-weight: 600;
}

.benefit-card p {
	color: var(--text-secondary);
	line-height: 1.6;
	margin: 0;
}

/* Content areas section module */
.content-areas-section {
	background: var(--bg-secondary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-2xl) var(--spacing-xl);
	margin: var(--spacing-3xl) 0;
}

.content-areas-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--spacing-lg);
}

.content-area-card {
	background: var(--bg-primary);
	border-radius: var(--radius-lg);
	padding: var(--spacing-lg);
	border-left: 4px solid var(--primary-color);
	transition: all 0.2s ease;
}

.content-area-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-md);
}

.content-area-card h4 {
	color: var(--text-primary);
	margin: 0 0 var(--spacing-sm) 0;
	font-weight: 600;
}

.content-area-card p {
	color: var(--text-secondary);
	margin: 0;
	font-size: 0.9rem;
	line-height: 1.5;
}

/* CTA section module */
.cta-section {
	background: var(--primary-gradient);
	color: white;
	border-radius: var(--radius-xl);
	padding: var(--spacing-2xl) var(--spacing-xl);
	text-align: center;
	margin: var(--spacing-3xl) 0;
}

.cta-content h2 {
	color: white;
	margin-bottom: var(--spacing-md);
}

.cta-content p {
	font-size: 1.1rem;
	margin: 0 0 var(--spacing-xl) 0;
	opacity: 0.9;
}

.cta-actions {
	display: flex;
	gap: var(--spacing-md);
	justify-content: center;
	flex-wrap: wrap;
}

/* Button module */
.btn {
	display: inline-block;
	padding: 0.75rem 1.5rem;
	border-radius: var(--radius-md);
	text-decoration: none;
	font-weight: 600;
	transition: all 0.2s ease;
	border: 2px solid transparent;
	cursor: pointer;
	font-size: 1rem;
	text-align: center;
	line-height: 1;
	font-family: inherit;
}

.btn-large {
	padding: 1rem 2rem;
	font-size: 1.1rem;
}

.btn-small {
	padding: 0.5rem 1rem;
	font-size: 0.875rem;
}

.btn-primary {
	background: var(--primary-gradient);
	color: white;
	border-color: transparent;
}

.btn-primary:hover {
	opacity: 0.9;
	transform: translateY(-1px);
	color: white;
	box-shadow: var(--shadow-md);
}

.btn-secondary {
	background: var(--bg-tertiary);
	color: var(--text-primary);
	border-color: var(--border-color);
}

.btn-secondary:hover {
	background: var(--border-hover);
	color: var(--text-primary);
}

.btn-outline {
	background: transparent;
	color: var(--primary-color);
	border-color: var(--primary-color);
}

.btn-outline:hover {
	background: var(--primary-color);
	color: white;
}

.btn-success {
	background: var(--success-color);
	color: white;
}

.btn-success:hover {
	opacity: 0.9;
	color: white;
}

.btn-warning {
	background: var(--warning-color);
	color: white;
}

.btn-warning:hover {
	opacity: 0.9;
	color: white;
}

.btn-danger {
	background: var(--danger-color);
	color: white;
}

.btn-danger:hover {
	opacity: 0.9;
	color: white;
}

.btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	transform: none;
}

.card {
	background: var(--bg-primary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-xl);
	box-shadow: var(--shadow-primary);
	border: 1px solid var(--border-color);
	transition: all 0.2s ease;
}

.card:hover {
	box-shadow: var(--shadow-hover);
}

.card-header {
	margin-bottom: var(--spacing-lg);
	padding-bottom: var(--spacing-lg);
	border-bottom: 1px solid var(--border-color);
}

.card-body {
	margin-bottom: var(--spacing-lg);
}

.card-footer {
	margin-top: var(--spacing-lg);
	padding-top: var(--spacing-lg);
	border-top: 1px solid var(--border-color);
}

.form-group {
	margin-bottom: var(--spacing-lg);
}

.form-label {
	display: block;
	font-weight: 600;
	color: var(--text-secondary);
	margin-bottom: var(--spacing-sm);
}

.form-input {
	width: 100%;
	padding: 0.75rem;
	border: 2px solid var(--border-color);
	border-radius: var(--radius-md);
	font-size: 1rem;
	transition: border-color 0.2s ease;
}

.form-input:focus {
	outline: none;
	border-color: var(--primary-color);
}

.form-input:invalid {
	border-color: var(--danger-color);
}

.form-help {
	font-size: 0.875rem;
	color: var(--text-muted);
	margin-top: var(--spacing-xs);
}

.form-error {
	font-size: 0.875rem;
	color: var(--danger-color);
	margin-top: var(--spacing-xs);
}

.flash-messages {
	position: fixed;
	top: 5rem;
	right: var(--spacing-lg);
	z-index: 1000;
	max-width: 400px;
}

.flash {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--spacing-md) var(--spacing-lg);
	margin-bottom: var(--spacing-sm);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-lg);
	transition: all 0.3s ease;
}

.flash-success {
	background: #f0fff4;
	color: #22543d;
	border-left: 4px solid var(--success-color);
}

.flash-error {
	background: #fed7d7;
	color: #742a2a;
	border-left: 4px solid var(--danger-color);
}

.flash-warning {
	background: #fef5e7;
	color: #744210;
	border-left: 4px solid var(--warning-color);
}

.flash-info {
	background: #e6f3ff;
	color: #1a365d;
	border-left: 4px solid var(--info-color);
}

.flash-close {
	background: none;
	border: none;
	font-size: 1.25rem;
	cursor: pointer;
	color: inherit;
	opacity: 0.7;
	margin-left: var(--spacing-md);
}

.flash-close:hover {
	opacity: 1;
}

.grid {
	display: grid;
	gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-auto-lg { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--spacing-lg);
}

.container-sm {
	max-width: 800px;
	margin: 0 auto;
	padding: 0 var(--spacing-lg);
}

.section {
	padding: var(--spacing-3xl) 0;
}

.section-sm {
	padding: var(--spacing-xl) 0;
}

/* Question module */
.question-header {
	margin-bottom: var(--spacing-xl);
}

.breadcrumb {
	margin-bottom: var(--spacing-md);
}

.breadcrumb a {
	color: var(--primary-color);
	text-decoration: none;
	transition: color 0.2s ease;
}

.breadcrumb a:hover {
	color: var(--primary-dark);
	text-decoration: underline;
}

.question-meta {
	display: flex;
	gap: var(--spacing-md);
	align-items: center;
}

.difficulty {
	padding: var(--spacing-xs) var(--spacing-sm);
	border-radius: var(--radius-sm);
	font-size: 0.875rem;
	font-weight: 600;
}

.difficulty-easy {
	background-color: #d4edda;
	color: #155724;
}

.difficulty-medium {
	background-color: #fff3cd;
	color: #856404;
}

.difficulty-hard {
	background-color: #f8d7da;
	color: #721c24;
}

.question-type {
	padding: var(--spacing-xs) var(--spacing-sm);
	background-color: var(--bg-tertiary);
	border-radius: var(--radius-sm);
	font-size: 0.875rem;
	color: var(--text-secondary);
	font-weight: 500;
}

.question-container {
	max-width: 800px;
	margin: 0 auto;
	padding: 0 var(--spacing-lg);
}

.question-text h2 {
	margin-bottom: var(--spacing-xl);
	line-height: 1.5;
	font-weight: 600;
	color: var(--text-primary);
}

.previous-answer-notice {
	background-color: var(--info-color);
	background: linear-gradient(135deg, rgba(49, 130, 206, 0.1) 0%, rgba(49, 130, 206, 0.05) 100%);
	border: 1px solid rgba(49, 130, 206, 0.2);
	border-radius: var(--radius-md);
	padding: var(--spacing-lg);
	margin-bottom: var(--spacing-xl);
}

.previous-answer-notice p {
	margin: 0;
	color: var(--text-primary);
}

.answer-choices {
	margin-bottom: var(--spacing-xl);
}

.choice {
	margin-bottom: var(--spacing-md);
	border: 2px solid var(--border-color);
	border-radius: var(--radius-md);
	transition: all 0.2s ease;
	background: var(--bg-primary);
	cursor: pointer;
	position: relative;
}

.choice:hover {
	background-color: var(--bg-secondary);
	border-color: var(--border-hover);
	transform: translateY(-1px);
	box-shadow: var(--shadow-sm);
}

.choice:has(input[type="radio"]:checked) {
	border-color: var(--primary-color);
	background-color: rgba(102, 126, 234, 0.05);
}

.choice input[type="radio"] {
	display: none;
}

.choice label {
	cursor: pointer;
	font-weight: 400;
	margin: 0;
	line-height: 1.5;
	color: var(--text-primary);
	display: flex;
	align-items: center;
	gap: var(--spacing-md);
	padding: var(--spacing-md) var(--spacing-lg);
	width: 100%;
}

.choice-letter {
	font-weight: 600;
	color: var(--text-secondary);
	flex-shrink: 0;
	width: 24px;
	height: 24px;
	border: 2px solid var(--border-color);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 0.875rem;
	transition: all 0.2s ease;
	background: var(--bg-primary);
}

.choice input[type="radio"]:checked + label .choice-letter {
	border-color: var(--primary-color);
	background: var(--primary-color);
	color: white;
}

.choice-text {
	flex: 1;
}

/* Password change module */
.password-container {
	max-width: 600px;
	margin: 0 auto;
	padding: var(--spacing-xl);
}

.password-header {
	text-align: center;
	margin-bottom: var(--spacing-3xl);
	padding: var(--spacing-xl);
	background: var(--primary-gradient);
	color: white;
	border-radius: var(--radius-xl);
}

.password-header h1 {
	margin: 0 0 var(--spacing-sm) 0;
	font-size: 2.5rem;
	font-weight: 700;
}

.password-header p {
	margin: 0 0 var(--spacing-md) 0;
	font-size: 1.1rem;
	opacity: 0.9;
	line-height: 1.5;
}

.password-header .breadcrumb {
	margin-top: var(--spacing-md);
}

.password-header .breadcrumb a {
	color: white;
	text-decoration: none;
	opacity: 0.8;
	transition: opacity 0.2s ease;
}

.password-header .breadcrumb a:hover {
	opacity: 1;
}

.password-content {
	display: grid;
	gap: var(--spacing-xl);
}

.password-section {
	background: var(--bg-primary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-xl);
	box-shadow: var(--shadow-primary);
}

.password-form {
	display: grid;
	gap: var(--spacing-lg);
}

.help-text {
	font-size: 0.875rem;
	color: var(--text-muted);
	margin-top: var(--spacing-xs);
}

/* State */
.is-loading {
	opacity: 0.6;
	pointer-events: none;
}

.is-hidden {
	display: none !important;
}

.is-visible {
	display: block !important;
}

.is-inline {
	display: inline !important;
}

.is-inline-block {
	display: inline-block !important;
}

/* Button state overrides for specific contexts */
.hero-section .btn-secondary {
	background: rgba(255, 255, 255, 0.1);
	color: white;
	border-color: rgba(255, 255, 255, 0.3);
	backdrop-filter: blur(10px);
}

.hero-section .btn-secondary:hover {
	background: rgba(255, 255, 255, 0.2);
	color: white;
}

.cta-section .btn-outline {
	color: white;
	border-color: white;
}

.cta-section .btn-outline:hover {
	background: white;
	color: var(--primary-color);
}

/* Theme - Mobile responsiveness */
@media (max-width: 768px) {
	.nav-links {
		position: fixed;
		top: 4rem;
		left: 0;
		right: 0;
		background: var(--bg-primary);
		border-bottom: 1px solid var(--border-color);
		flex-direction: column;
		align-items: stretch;
		padding: var(--spacing-lg);
		gap: 0;
		transform: translateY(-100%);
		opacity: 0;
		visibility: hidden;
		transition: all 0.3s ease;
	}
	
	.nav-links.active {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
	}
	
	.nav-link {
		padding: var(--spacing-md);
		border-bottom: 1px solid var(--border-color);
	}
	
	.nav-link:last-child {
		border-bottom: none;
	}
	
	.nav-dropdown-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		box-shadow: none;
		border: none;
		background: var(--bg-tertiary);
		margin-top: var(--spacing-sm);
	}
	
	.nav-mobile-toggle {
		display: flex;
	}
	
	.flash-messages {
		right: var(--spacing-md);
		left: var(--spacing-md);
		max-width: none;
	}
	
	.grid-2,
	.grid-3,
	.grid-4 {
		grid-template-columns: 1fr;
	}
	
	.container,
	.container-sm {
		padding: 0 var(--spacing-md);
	}
	
	h1 { font-size: 1.875rem; }
	h2 { font-size: 1.5rem; }
	h3 { font-size: 1.25rem; }
	
	/* Homepage responsive styles */
	.hero-section {
		padding: var(--spacing-2xl) var(--spacing-md);
	}
	
	.hero-section h1 {
		font-size: 2.25rem;
	}
	
	.hero-features {
		flex-direction: column;
		align-items: center;
		gap: var(--spacing-md);
	}
	
	.hero-actions,
	.cta-actions {
		flex-direction: column;
		align-items: center;
	}
	
	.benefits-grid {
		grid-template-columns: 1fr;
	}
	
	.content-areas-grid {
		grid-template-columns: 1fr;
	}
	
	.content-sections {
		padding: 0 var(--spacing-md);
	}
	
	.content-areas-section {
		padding: var(--spacing-xl) var(--spacing-md);
	}
}

/* Dashboard module */
.dashboard-header {
	text-align: center;
	margin-bottom: var(--spacing-3xl);
	padding: var(--spacing-xl);
	background: var(--primary-gradient);
	color: white;
	border-radius: var(--radius-xl);
}

.dashboard-header h1 {
	margin: 0 0 var(--spacing-sm) 0;
	font-size: 2.5rem;
	font-weight: 700;
	color: white;
}

.welcome-message p {
	margin: 0;
	font-size: 1.1rem;
	opacity: 0.9;
}

.stats-overview {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: var(--spacing-lg);
	margin-bottom: var(--spacing-3xl);
}

.stat-card {
	background: var(--bg-primary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-lg);
	box-shadow: var(--shadow-primary);
	display: flex;
	align-items: center;
	gap: var(--spacing-md);
	border-left: 4px solid;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.stat-card.primary { border-left-color: var(--primary-color); }
.stat-card.success { border-left-color: var(--success-color); }
.stat-card.warning { border-left-color: var(--warning-color); }
.stat-card.danger { border-left-color: var(--danger-color); }
.stat-card.info { border-left-color: var(--info-color); }
.stat-card.secondary { border-left-color: var(--secondary-color); }

.stat-icon {
	font-size: 2.5rem;
	opacity: 0.8;
}

.stat-content {
	flex: 1;
}

.stat-number {
	font-size: 2.5rem;
	font-weight: 700;
	color: var(--text-primary);
	line-height: 1;
}

.stat-label {
	font-size: 1rem;
	font-weight: 600;
	color: var(--text-secondary);
	margin-bottom: var(--spacing-xs);
}

.stat-sublabel {
	font-size: 0.875rem;
	color: var(--text-muted);
}

.dashboard-content {
	display: grid;
	gap: var(--spacing-xl);
}

.progress-section,
.performance-section,
.sessions-section,
.actions-section {
	background: var(--bg-primary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-xl);
	box-shadow: var(--shadow-primary);
}

.progress-section h2,
.performance-section h2,
.sessions-section h2,
.actions-section h2,
.insights-section h2 {
	margin: 0 0 var(--spacing-lg) 0;
	color: var(--text-primary);
	font-size: 1.5rem;
	font-weight: 600;
}

.progress-container {
	text-align: center;
}

.progress-bar {
	width: 100%;
	height: 1rem;
	background-color: var(--border-color);
	border-radius: var(--radius-md);
	overflow: hidden;
	margin-bottom: var(--spacing-md);
}

.progress-fill {
	height: 100%;
	background: var(--primary-gradient);
	transition: width 0.6s ease;
}

.progress-text {
	font-size: 1.1rem;
	color: var(--text-secondary);
	font-weight: 500;
}

.content-areas {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--spacing-lg);
}

.area-card {
	border: 1px solid var(--border-color);
	border-radius: var(--radius-lg);
	padding: var(--spacing-lg);
	background: var(--bg-secondary);
	transition: all 0.2s ease;
}

.area-card:hover {
	border-color: var(--border-hover);
	box-shadow: var(--shadow-md);
}

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

.area-header h3 {
	margin: 0;
	font-size: 1.1rem;
	color: var(--text-primary);
	font-weight: 600;
}

.area-accuracy {
	font-size: 1.25rem;
	font-weight: 700;
	padding: var(--spacing-xs) var(--spacing-sm);
	border-radius: var(--radius-full);
}

.area-accuracy.high {
	background-color: #c6f6d5;
	color: #22543d;
}

.area-accuracy.medium {
	background-color: #fef5e7;
	color: #744210;
}

.area-accuracy.low {
	background-color: #fed7d7;
	color: #742a2a;
}

.area-stats {
	display: flex;
	gap: var(--spacing-md);
	align-items: center;
}

.area-stat {
	text-align: center;
}

.area-stat .stat-value {
	display: block;
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--text-primary);
}

.area-stat .stat-name {
	font-size: 0.75rem;
	color: var(--text-muted);
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

.area-progress {
	flex: 1;
	margin-left: var(--spacing-md);
}

.mini-progress-bar {
	height: 0.5rem;
	background-color: var(--border-color);
	border-radius: var(--radius-sm);
	overflow: hidden;
}

.mini-progress-fill {
	height: 100%;
	background: var(--primary-gradient);
	transition: width 0.4s ease;
}

.insights-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-xl);
}

.insights-section {
	background: var(--bg-primary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-xl);
	box-shadow: var(--shadow-primary);
}

.topic-list {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-md);
}

.topic-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: var(--spacing-md);
	border-radius: var(--radius-md);
	border-left: 4px solid;
}

.topic-item.strength {
	background-color: #f0fff4;
	border-left-color: var(--success-color);
}

.topic-item.weakness {
	background-color: #fffaf0;
	border-left-color: var(--warning-color);
}

.topic-name {
	font-weight: 600;
	color: var(--text-primary);
	flex: 1;
}

.topic-accuracy {
	font-size: 1.1rem;
	font-weight: 700;
	margin-right: var(--spacing-md);
}

.topic-details {
	font-size: 0.875rem;
	color: var(--text-muted);
}

.sessions-list {
	display: grid;
	gap: var(--spacing-md);
}

.session-card {
	border: 1px solid var(--border-color);
	border-radius: var(--radius-lg);
	padding: var(--spacing-lg);
	display: flex;
	justify-content: space-between;
	align-items: center;
	transition: all 0.2s ease;
}

.session-card:hover {
	border-color: var(--border-hover);
	box-shadow: var(--shadow-md);
}

.session-header {
	flex: 1;
}

.session-type {
	font-weight: 600;
	color: var(--text-primary);
	margin-bottom: var(--spacing-xs);
}

.session-date {
	font-size: 0.875rem;
	color: var(--text-muted);
}

.session-stats {
	display: flex;
	gap: var(--spacing-xl);
	margin: 0 var(--spacing-xl);
}

.session-stat {
	text-align: center;
}

.session-stat .stat-label {
	display: block;
	font-size: 0.75rem;
	color: var(--text-muted);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	margin-bottom: var(--spacing-xs);
}

.session-stat .stat-value {
	display: block;
	font-size: 1.1rem;
	font-weight: 600;
	color: var(--text-primary);
}

.session-stat .stat-value.in-progress {
	color: var(--warning-color);
}

.session-action {
	background: var(--primary-gradient);
	color: white;
	padding: var(--spacing-sm) var(--spacing-md);
	border-radius: var(--radius-md);
	text-decoration: none;
	font-weight: 500;
	transition: opacity 0.2s ease;
}

.session-action:hover {
	opacity: 0.9;
	color: white;
}

.action-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: var(--spacing-lg);
}

.action-card {
	background: var(--bg-primary);
	border: 2px solid var(--border-color);
	border-radius: var(--radius-xl);
	padding: var(--spacing-xl);
	text-align: center;
	text-decoration: none;
	transition: all 0.2s ease;
	display: block;
	color: inherit;
}

.action-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-hover);
	color: inherit;
}

.action-card.primary {
	border-color: var(--primary-color);
}

.action-card.secondary {
	border-color: var(--secondary-color);
}

.action-card.info {
	border-color: var(--info-color);
}

.action-card:hover.primary {
	background-color: var(--primary-color);
	color: white;
}

.action-card:hover.secondary {
	background-color: var(--secondary-color);
	color: white;
}

.action-card:hover.info {
	background-color: var(--info-color);
	color: white;
}

.action-icon {
	font-size: 3rem;
	margin-bottom: var(--spacing-md);
}

.action-title {
	font-size: 1.2rem;
	font-weight: 600;
	margin-bottom: var(--spacing-sm);
}

.action-desc {
	font-size: 0.9rem;
	opacity: 0.8;
}

.empty-state,
.empty-state-small {
	text-align: center;
	padding: var(--spacing-xl);
	color: var(--text-muted);
}

.empty-state-small {
	padding: var(--spacing-md);
}

@media (max-width: 768px) {
	.stats-overview {
		grid-template-columns: 1fr;
	}
	
	.insights-grid {
		grid-template-columns: 1fr;
	}
	
	.content-areas {
		grid-template-columns: 1fr;
	}
	
	.action-grid {
		grid-template-columns: 1fr;
	}
	
	.session-card {
		flex-direction: column;
		gap: var(--spacing-md);
		text-align: center;
	}
	
	.session-stats {
		margin: 0;
	}
}

/* Authentication module */
.auth-container {
	min-height: calc(100vh - 4rem);
	display: grid;
	grid-template-columns: 1fr 1fr;
	max-width: 1200px;
	margin: 0 auto;
	padding: var(--spacing-3xl) var(--spacing-lg);
	gap: var(--spacing-3xl);
	align-items: center;
}

.auth-card {
	background: var(--bg-primary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-3xl);
	box-shadow: var(--shadow-primary);
	border: 1px solid var(--border-color);
	max-width: 500px;
	margin: 0 auto;
}

.auth-header {
	text-align: center;
	margin-bottom: var(--spacing-3xl);
}

.auth-icon {
	font-size: 3rem;
	margin-bottom: var(--spacing-md);
}

.auth-header h1 {
	margin: 0 0 var(--spacing-sm) 0;
	color: var(--text-primary);
	font-size: 2rem;
	font-weight: 700;
}

.auth-header p {
	margin: 0;
	color: var(--text-secondary);
	font-size: 1rem;
}

.auth-form {
	margin-bottom: var(--spacing-xl);
}

.form-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--spacing-md);
}

.form-actions {
	margin-top: var(--spacing-xl);
}

.auth-submit {
	width: 100%;
}

.auth-divider {
	text-align: center;
	margin: var(--spacing-xl) 0;
	position: relative;
}

.auth-divider::before {
	content: '';
	position: absolute;
	top: 50%;
	left: 0;
	right: 0;
	height: 1px;
	background: var(--border-color);
	z-index: 1;
}

.auth-divider span {
	background: var(--bg-primary);
	padding: 0 var(--spacing-md);
	color: var(--text-muted);
	font-size: 0.875rem;
	position: relative;
	z-index: 2;
}

.auth-footer {
	text-align: center;
	margin-bottom: var(--spacing-lg);
}

.auth-footer p {
	margin: 0 0 var(--spacing-md) 0;
	color: var(--text-secondary);
}

.auth-footer .btn {
	width: 100%;
}

.auth-help {
	text-align: center;
	margin-top: var(--spacing-lg);
}

.auth-help a {
	color: var(--primary-color);
	font-size: 0.875rem;
	text-decoration: none;
	font-weight: 500;
}

.auth-help a:hover {
	text-decoration: underline;
}

.auth-terms {
	text-align: center;
	margin-top: var(--spacing-lg);
	padding-top: var(--spacing-lg);
	border-top: 1px solid var(--border-color);
}

.auth-terms p {
	margin: 0;
	font-size: 0.875rem;
	color: var(--text-muted);
	line-height: 1.5;
}

.text-link {
	color: var(--primary-color);
	text-decoration: none;
	font-weight: 500;
}

.text-link:hover {
	text-decoration: underline;
}

.auth-benefits {
	background: var(--bg-secondary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-3xl);
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.auth-benefits h3 {
	margin: 0 0 var(--spacing-xl) 0;
	color: var(--text-primary);
	font-size: 1.5rem;
	font-weight: 600;
	text-align: center;
}

.benefit-list {
	display: flex;
	flex-direction: column;
	gap: var(--spacing-lg);
}

.benefit-item {
	display: flex;
	align-items: flex-start;
	gap: var(--spacing-md);
}

.benefit-icon {
	font-size: 1.5rem;
	flex-shrink: 0;
	margin-top: var(--spacing-xs);
}

.benefit-item div strong {
	display: block;
	color: var(--text-primary);
	font-weight: 600;
	margin-bottom: var(--spacing-xs);
}

.benefit-item div p {
	margin: 0;
	color: var(--text-secondary);
	font-size: 0.9rem;
	line-height: 1.5;
}

/* Single column layout for login page */
.auth-container:has(.auth-benefits .benefit-list .benefit-item:first-child .benefit-icon:contains("✓")) {
	grid-template-columns: 1fr;
	max-width: 800px;
}

.auth-container:has(.auth-benefits .benefit-list .benefit-item:first-child .benefit-icon:contains("✓")) .auth-benefits {
	max-width: 500px;
	margin: 0 auto;
}

@media (max-width: 968px) {
	.auth-container {
		grid-template-columns: 1fr;
		gap: var(--spacing-xl);
		padding: var(--spacing-xl) var(--spacing-md);
	}
	
	.auth-card {
		padding: var(--spacing-xl);
	}
	
	.auth-benefits {
		padding: var(--spacing-xl);
	}
	
	.form-row {
		grid-template-columns: 1fr;
	}
}

/* Homepage styles */
.hero-section {
	background: var(--primary-gradient);
	color: white;
	padding: var(--spacing-3xl) var(--spacing-xl);
	text-align: center;
	margin-bottom: var(--spacing-3xl);
}

.hero-content {
	max-width: 800px;
	margin: 0 auto;
}

.hero-section h1 {
	font-size: 3rem;
	font-weight: 700;
	margin: 0 0 var(--spacing-md) 0;
	line-height: 1.2;
	color: white;
}

.hero-subtitle {
	font-size: 1.25rem;
	margin: 0 0 var(--spacing-xl) 0;
	opacity: 0.9;
	line-height: 1.5;
}

.hero-features {
	display: flex;
	justify-content: center;
	gap: var(--spacing-xl);
	margin-bottom: var(--spacing-2xl);
	flex-wrap: wrap;
}

.feature-item {
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
	background: rgba(255, 255, 255, 0.1);
	padding: 0.75rem var(--spacing-lg);
	border-radius: var(--radius-full);
	backdrop-filter: blur(10px);
}

.feature-icon {
	font-size: 1.25rem;
}

.hero-actions {
	display: flex;
	gap: var(--spacing-md);
	justify-content: center;
	flex-wrap: wrap;
}

.content-sections {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--spacing-xl);
}

.section-container {
	margin-bottom: var(--spacing-3xl);
}

.benefits-section h2,
.content-areas-section h2,
.cta-section h2 {
	text-align: center;
	font-size: 2.5rem;
	color: var(--text-primary);
	margin: 0 0 var(--spacing-md) 0;
	font-weight: 700;
}

.section-subtitle {
	text-align: center;
	font-size: 1.1rem;
	color: var(--text-secondary);
	margin: 0 0 var(--spacing-2xl) 0;
}

.benefits-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: var(--spacing-xl);
	margin-top: var(--spacing-xl);
}

.benefit-card {
	background: var(--bg-primary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-xl);
	text-align: center;
	box-shadow: var(--shadow-primary);
	transition: all 0.3s ease;
	border: 1px solid var(--border-color);
}

.benefit-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-hover);
	border-color: var(--primary-color);
}

.benefit-icon {
	font-size: 3rem;
	margin-bottom: var(--spacing-md);
	display: block;
}

.benefit-card h3 {
	font-size: 1.25rem;
	color: var(--text-primary);
	margin: 0 0 var(--spacing-md) 0;
	font-weight: 600;
}

.benefit-card p {
	color: var(--text-secondary);
	line-height: 1.6;
	margin: 0;
}

.content-areas-section {
	background: var(--bg-secondary);
	border-radius: var(--radius-xl);
	padding: var(--spacing-2xl) var(--spacing-xl);
	margin: var(--spacing-3xl) 0;
}

.content-areas-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: var(--spacing-lg);
}

.content-area-card {
	background: var(--bg-primary);
	border-radius: var(--radius-lg);
	padding: var(--spacing-lg);
	border-left: 4px solid var(--primary-color);
	transition: all 0.2s ease;
}

.content-area-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-md);
}

.content-area-card h4 {
	color: var(--text-primary);
	margin: 0 0 var(--spacing-sm) 0;
	font-weight: 600;
}

.content-area-card p {
	color: var(--text-secondary);
	margin: 0;
	font-size: 0.9rem;
	line-height: 1.5;
}

.section-cta {
	text-align: center;
	margin-top: var(--spacing-xl);
}

.cta-section {
	background: var(--primary-gradient);
	color: white;
	border-radius: var(--radius-xl);
	padding: var(--spacing-2xl) var(--spacing-xl);
	text-align: center;
	margin: var(--spacing-3xl) 0;
}

.cta-content h2 {
	color: white;
	margin-bottom: var(--spacing-md);
}

.cta-content p {
	font-size: 1.1rem;
	margin: 0 0 var(--spacing-xl) 0;
	opacity: 0.9;
}

.cta-actions {
	display: flex;
	gap: var(--spacing-md);
	justify-content: center;
	flex-wrap: wrap;
}

/* Button style overrides for hero/CTA sections */
.hero-section .btn-secondary {
	background: rgba(255, 255, 255, 0.1);
	color: white;
	border-color: rgba(255, 255, 255, 0.3);
	backdrop-filter: blur(10px);
}

.hero-section .btn-secondary:hover {
	background: rgba(255, 255, 255, 0.2);
	color: white;
}

.cta-section .btn-outline {
	color: white;
	border-color: white;
}

.cta-section .btn-outline:hover {
	background: white;
	color: var(--primary-color);
}

@media (max-width: 768px) {
	.hero-section {
		padding: var(--spacing-2xl) var(--spacing-md);
	}
	
	.hero-section h1 {
		font-size: 2.25rem;
	}
	
	.hero-features {
		flex-direction: column;
		align-items: center;
		gap: var(--spacing-md);
	}
	
	.hero-actions,
	.cta-actions {
		flex-direction: column;
		align-items: center;
	}
	
	.benefits-grid {
		grid-template-columns: 1fr;
	}
	
	.content-areas-grid {
		grid-template-columns: 1fr;
	}
	
	.content-sections {
		padding: 0 var(--spacing-md);
	}
	
	.content-areas-section {
		padding: var(--spacing-xl) var(--spacing-md);
	}
}