:root {
	/* Color Palette - Modern Dark Theme */
	--bg-primary: #0a0e1a;
	--bg-secondary: #141827;
	--bg-tertiary: #1e2537;
	--bg-glass: rgba(30, 37, 55, 0.7);
	
	/* Accent Colors */
	--accent-primary: #6366f1;
	--accent-secondary: #8b5cf6;
	--accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
	
	/* Text Colors */
	--text-primary: #f1f5f9;
	--text-secondary: #94a3b8;
	--text-muted: #64748b;
	
	/* Border & Divider */
	--border-color: rgba(148, 163, 184, 0.1);
	--divider-color: rgba(148, 163, 184, 0.05);
	
	/* Status Colors */
	--success: #10b981;
	--error: #ef4444;
	--warning: #f59e0b;
	
	/* Shadows */
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
	--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
	
	/* Spacing */
	--spacing-xs: 0.5rem;
	--spacing-sm: 0.75rem;
	--spacing-md: 1rem;
	--spacing-lg: 1.5rem;
	--spacing-xl: 2rem;
	
	/* Border Radius */
	--radius-sm: 0.375rem;
	--radius-md: 0.5rem;
	--radius-lg: 0.75rem;
	--radius-xl: 1rem;
	
	/* Transitions */
	--transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
	--transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
	--transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	background: var(--bg-primary);
	color: var(--text-primary);
	line-height: 1.6;
	overflow-x: hidden;
}

/* Background Gradient Effect */
body::before {
	content: '';
	position: fixed;
	top: -50%;
	left: -50%;
	width: 200%;
	height: 200%;
	background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
	animation: rotate 30s linear infinite;
	pointer-events: none;
	z-index: 0;
}

@keyframes rotate {
	from { transform: rotate(0deg); }
	to { transform: rotate(360deg); }
}

/* Header */
.header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--bg-glass);
	backdrop-filter: blur(20px);
	border-bottom: 1px solid var(--border-color);
	padding: var(--spacing-lg) var(--spacing-xl);
}

.header-content {
	max-width: 1400px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.logo {
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
}

.logo-icon {
	width: 32px;
	height: 32px;
	background: var(--accent-gradient);
	border-radius: var(--radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	font-size: 1.25rem;
}

.logo-text {
	font-size: 1.25rem;
	font-weight: 700;
	background: var(--accent-gradient);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

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

.status-badge {
	display: flex;
	align-items: center;
	gap: var(--spacing-xs);
	padding: var(--spacing-xs) var(--spacing-md);
	background: rgba(16, 185, 129, 0.1);
	border: 1px solid rgba(16, 185, 129, 0.2);
	border-radius: var(--radius-lg);
	font-size: 0.875rem;
	color: var(--success);
}

.status-dot {
	width: 8px;
	height: 8px;
	background: var(--success);
	border-radius: 50%;
	animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.5; }
}

/* Main Container */
.container {
	max-width: 1400px;
	margin: 0 auto;
	padding: var(--spacing-xl);
	position: relative;
	z-index: 1;
}

/* Stats Bar */
.stats-bar {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: var(--spacing-lg);
	margin-bottom: var(--spacing-xl);
}

.stat-card {
	background: var(--bg-glass);
	backdrop-filter: blur(20px);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-lg);
	padding: var(--spacing-lg);
	transition: all var(--transition-base);
}

.stat-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--shadow-lg);
	border-color: rgba(99, 102, 241, 0.3);
}

.stat-label {
	font-size: 0.875rem;
	color: var(--text-secondary);
	margin-bottom: var(--spacing-xs);
}

.stat-value {
	font-size: 2rem;
	font-weight: 700;
	background: var(--accent-gradient);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

/* Email List */
.email-list-container {
	background: var(--bg-glass);
	backdrop-filter: blur(20px);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-xl);
	overflow: hidden;
	box-shadow: var(--shadow-xl);
}

.email-list-header {
	padding: var(--spacing-lg) var(--spacing-xl);
	border-bottom: 1px solid var(--border-color);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.email-list-title {
	font-size: 1.25rem;
	font-weight: 600;
}

.btn {
	padding: var(--spacing-sm) var(--spacing-lg);
	border-radius: var(--radius-md);
	border: none;
	font-size: 0.875rem;
	font-weight: 500;
	cursor: pointer;
	transition: all var(--transition-base);
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-xs);
}

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

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

.btn-secondary {
	background: var(--bg-tertiary);
	color: var(--text-primary);
	border: 1px solid var(--border-color);
}

.btn-secondary:hover {
	background: var(--bg-secondary);
}

.email-list {
	max-height: 600px;
	overflow-y: auto;
}

.email-list::-webkit-scrollbar {
	width: 8px;
}

.email-list::-webkit-scrollbar-track {
	background: var(--bg-secondary);
}

.email-list::-webkit-scrollbar-thumb {
	background: var(--bg-tertiary);
	border-radius: var(--radius-sm);
}

.email-list::-webkit-scrollbar-thumb:hover {
	background: rgba(99, 102, 241, 0.3);
}

.email-item {
	padding: var(--spacing-lg) var(--spacing-xl);
	border-bottom: 1px solid var(--divider-color);
	cursor: pointer;
	transition: all var(--transition-fast);
	position: relative;
}

.email-item::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 3px;
	background: var(--accent-gradient);
	transform: scaleY(0);
	transition: transform var(--transition-base);
}

.email-item:hover {
	background: rgba(99, 102, 241, 0.05);
}

.email-item:hover::before {
	transform: scaleY(1);
}

.email-item.selected {
	background: rgba(99, 102, 241, 0.1);
}

.email-item.selected::before {
	transform: scaleY(1);
}

.email-header {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	margin-bottom: var(--spacing-xs);
}

.email-from {
	font-weight: 600;
	color: var(--text-primary);
	font-size: 0.95rem;
}

.email-time {
	font-size: 0.8rem;
	color: var(--text-muted);
}

.email-subject {
	font-size: 0.9rem;
	color: var(--text-secondary);
	margin-bottom: var(--spacing-xs);
	font-weight: 500;
}

.email-preview {
	font-size: 0.85rem;
	color: var(--text-muted);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

/* Email Detail Modal */
.modal {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(10, 14, 26, 0.8);
	backdrop-filter: blur(10px);
	z-index: 1000;
	align-items: center;
	justify-content: center;
	padding: var(--spacing-xl);
	animation: fadeIn var(--transition-base);
}

.modal.active {
	display: flex;
}

@keyframes fadeIn {
	from { opacity: 0; }
	to { opacity: 1; }
}

.modal-content {
	background: var(--bg-secondary);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-xl);
	max-width: 800px;
	width: 100%;
	max-height: 90vh;
	overflow: hidden;
	box-shadow: var(--shadow-xl);
	animation: slideUp var(--transition-slow);
}

@keyframes slideUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.modal-header {
	padding: var(--spacing-xl);
	border-bottom: 1px solid var(--border-color);
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.modal-title {
	font-size: 1.25rem;
	font-weight: 600;
}

.close-btn {
	width: 32px;
	height: 32px;
	border-radius: var(--radius-md);
	background: var(--bg-tertiary);
	border: 1px solid var(--border-color);
	color: var(--text-secondary);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: all var(--transition-base);
}

.close-btn:hover {
	background: var(--bg-primary);
	color: var(--text-primary);
}

.modal-body {
	padding: var(--spacing-xl);
	overflow-y: auto;
	max-height: calc(90vh - 140px);
}

.email-detail-field {
	margin-bottom: var(--spacing-lg);
}

.field-label {
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--text-muted);
	margin-bottom: var(--spacing-xs);
	font-weight: 600;
}

.field-value {
	color: var(--text-primary);
	font-size: 0.95rem;
}

.email-body {
	background: var(--bg-primary);
	border: 1px solid var(--border-color);
	border-radius: var(--radius-md);
	padding: var(--spacing-lg);
	font-family: 'Monaco', 'Courier New', monospace;
	font-size: 0.85rem;
	line-height: 1.6;
	white-space: pre-wrap;
	word-wrap: break-word;
	max-height: 400px;
	overflow-y: auto;
}

/* Empty State */
.empty-state {
	text-align: center;
	padding: var(--spacing-xl) * 3;
	color: var(--text-muted);
}

.empty-icon {
	font-size: 4rem;
	margin-bottom: var(--spacing-lg);
	opacity: 0.5;
}

.empty-title {
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--text-secondary);
	margin-bottom: var(--spacing-sm);
}

.empty-description {
	font-size: 0.95rem;
}

/* Loading State */
.loading {
	text-align: center;
	padding: var(--spacing-xl) * 2;
}

.spinner {
	width: 40px;
	height: 40px;
	border: 3px solid var(--bg-tertiary);
	border-top-color: var(--accent-primary);
	border-radius: 50%;
	animation: spin 1s linear infinite;
	margin: 0 auto var(--spacing-lg);
}

@keyframes spin {
	to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
	.container {
		padding: var(--spacing-md);
	}
	
	.header-content {
		padding: var(--spacing-md);
	}
	
	.stats-bar {
		grid-template-columns: 1fr;
	}
	
	.email-list-header {
		flex-direction: column;
		gap: var(--spacing-md);
		align-items: flex-start;
	}
	
	.modal {
		padding: var(--spacing-md);
	}
	
	.modal-content {
		max-height: 95vh;
	}
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');