/* ============================================
   A-COSMOS DASHBOARD - INDUSTRIAL IoT DESIGN
   ============================================ */

/* === 1. CSS VARIABLES === */
:root {
	/* Colors - Status */
	--color-status-normal: #10b981; /* Green - Normal/Good */
	--color-status-warning: #f59e0b; /* Yellow - Warning */
	--color-status-critical: #ef4444; /* Red - Critical */
	--color-status-offline: #6b7280; /* Gray - Offline */

	/* Colors - Primary Palette */
	--color-primary: #3b82f6; /* Blue */
	--color-primary-hover: #2563eb;
	--color-primary-light: #60a5fa;

	/* Colors - Background */
	--color-bg-primary: #0e1117; /* Main dark background */
	--color-bg-secondary: #1a1d24; /* Cards, panels */
	--color-bg-tertiary: #262931; /* Hover, active states */
	--color-bg-input: #1e2128; /* Input fields */

	/* Colors - Text */
	--color-text-primary: #f9fafb; /* Main text - white */
	--color-text-secondary: #d1d5db; /* Secondary text - light gray */
	--color-text-tertiary: #9ca3af; /* Tertiary text - gray */
	--color-text-disabled: #6b7280; /* Disabled text */

	/* Colors - Borders */
	--color-border-primary: #374151; /* Main borders */
	--color-border-secondary: #2d3748; /* Subtle borders */
	--color-border-focus: var(--color-primary);

	/* Spacing */
	--spacing-xs: 4px;
	--spacing-sm: 8px;
	--spacing-md: 16px;
	--spacing-lg: 24px;
	--spacing-xl: 32px;
	--spacing-2xl: 48px;

	/* Typography */
	--font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	--font-size-xs: 12px;
	--font-size-sm: 14px;
	--font-size-base: 16px;
	--font-size-lg: 18px;
	--font-size-xl: 20px;
	--font-size-2xl: 24px;
	--font-size-3xl: 32px;

	--font-weight-normal: 400;
	--font-weight-medium: 500;
	--font-weight-semibold: 600;
	--font-weight-bold: 700;

	--line-height-tight: 1.25;
	--line-height-normal: 1.5;
	--line-height-relaxed: 1.75;

	/* Border Radius */
	--radius-sm: 4px;
	--radius-md: 8px;
	--radius-lg: 12px;
	--radius-xl: 16px;
	--radius-full: 9999px;

	/* Shadows */
	--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
	--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
	--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
	--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);

	/* Layout Dimensions */
	--sidebar-width: 240px;
	--sidebar-collapsed-width: 60px;
	--topbar-height: 64px;
	--bottom-nav-height: 60px;

	/* Transitions */
	--transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
	--transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
	--transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

	/* Z-index */
	--z-dropdown: 1000;
	--z-sticky: 1020;
	--z-fixed: 1030;
	--z-modal-backdrop: 1040;
	--z-modal: 1050;
	--z-popover: 1060;
	--z-tooltip: 1070;
}

/* === 2. RESET & BASE === */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
	font-size: 16px;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body {
	font-family: var(--font-family);
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-normal);
	line-height: var(--line-height-normal);
	color: var(--color-text-primary);
	background-color: var(--color-bg-primary);
	overflow-x: hidden;
}

/* Layout Grid */
body {
	display: grid;
	grid-template-areas:
		'sidebar topbar'
		'sidebar main';
	grid-template-columns: var(--sidebar-width) 1fr;
	grid-template-rows: var(--topbar-height) 1fr;
	min-height: 100vh;
}

/* === 3. SIDEBAR === */
.sidebar {
	grid-area: sidebar;
	background-color: var(--color-bg-secondary);
	border-right: 1px solid var(--color-border-primary);
	display: flex;
	flex-direction: column;
	position: fixed;
	left: 0;
	top: 0;
	bottom: 0;
	width: var(--sidebar-width);
	transition:
		width var(--transition-base),
		transform var(--transition-base);
	z-index: var(--z-fixed);
	overflow: hidden;
}

.sidebar.collapsed {
	width: var(--sidebar-collapsed-width);
}

.sidebar-header {
	padding: var(--spacing-lg) var(--spacing-md);
	border-bottom: 1px solid var(--color-border-primary);
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: var(--topbar-height);
}

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

.logo-icon {
	width: 32px;
	height: 32px;
	color: var(--color-primary);
	flex-shrink: 0;
}

.logo-text {
	font-size: var(--font-size-xl);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
	transition: opacity var(--transition-fast);
}

.sidebar.collapsed .logo-text {
	opacity: 0;
	width: 0;
}

.sidebar-toggle {
	background: transparent;
	border: none;
	color: var(--color-text-secondary);
	cursor: pointer;
	padding: var(--spacing-xs);
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: var(--radius-sm);
	transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
	background-color: var(--color-bg-tertiary);
	color: var(--color-text-primary);
}

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

/* Sidebar Navigation */
.sidebar-nav {
	flex: 1;
	overflow-y: auto;
	overflow-x: hidden;
	padding: var(--spacing-md) 0;
}

.sidebar-nav::-webkit-scrollbar {
	width: 4px;
}

.sidebar-nav::-webkit-scrollbar-track {
	background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
	background: var(--color-border-primary);
	border-radius: var(--radius-full);
}

.nav-item {
	display: flex;
	align-items: center;
	gap: var(--spacing-md);
	padding: var(--spacing-md) var(--spacing-lg);
	color: var(--color-text-secondary);
	text-decoration: none;
	transition: all var(--transition-fast);
	cursor: pointer;
	border-left: 3px solid transparent;
	white-space: nowrap;
}

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

.nav-item.active {
	background-color: rgba(59, 130, 246, 0.1);
	color: var(--color-primary);
	border-left-color: var(--color-primary);
}

.nav-icon {
	width: 20px;
	height: 20px;
	flex-shrink: 0;
}

.nav-text {
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-text {
	opacity: 0;
	width: 0;
}

/* Sidebar Footer */
.sidebar-footer {
	padding: var(--spacing-md);
	border-top: 1px solid var(--color-border-primary);
}

.user-info {
	display: flex;
	align-items: center;
	gap: var(--spacing-md);
	padding: var(--spacing-sm);
	border-radius: var(--radius-md);
	transition: background-color var(--transition-fast);
	cursor: pointer;
}

.user-info:hover {
	background-color: var(--color-bg-tertiary);
}

.user-avatar {
	width: 36px;
	height: 36px;
	border-radius: var(--radius-full);
	background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-bold);
	color: white;
	flex-shrink: 0;
}

.user-details {
	flex: 1;
	min-width: 0;
	white-space: nowrap;
}

.user-name {
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	color: var(--color-text-primary);
}

.user-role {
	font-size: var(--font-size-xs);
	color: var(--color-text-tertiary);
}

.sidebar.collapsed .user-details {
	display: none;
}

/* === 4. TOPBAR === */
.topbar {
	grid-area: topbar;
	background-color: var(--color-bg-secondary);
	border-bottom: 1px solid var(--color-border-primary);
	padding: 0 var(--spacing-md);
	display: flex;
	align-items: center;
	justify-content: space-between;
	position: sticky;
	top: 0;
	height: var(--topbar-height);
	z-index: var(--z-sticky);
}

.sidebar.collapsed + .topbar {
	/* Handled by grid */
}

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

.mobile-menu-toggle {
	display: none;
	background: transparent;
	border: none;
	color: var(--color-text-secondary);
	cursor: pointer;
	padding: var(--spacing-sm);
}

.mobile-menu-toggle svg {
	width: 24px;
	height: 24px;
}

.page-title {
	font-size: var(--font-size-2xl);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
}

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

/* Status Badge */
.status-badge {
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
	padding: var(--spacing-sm) var(--spacing-md);
	border-radius: var(--radius-full);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
}

.status-badge.status-online {
	background-color: rgba(16, 185, 129, 0.1);
	color: var(--color-status-normal);
}

.status-badge.status-warning {
	background-color: rgba(245, 158, 11, 0.1);
	color: var(--color-status-warning);
}

.status-badge.status-offline {
	background-color: rgba(107, 114, 128, 0.1);
	color: var(--color-status-offline);
}

.status-dot {
	width: 8px;
	height: 8px;
	border-radius: var(--radius-full);
	background-color: currentColor;
	animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

/* Icon Button */
.icon-button {
	position: relative;
	background: transparent;
	border: none;
	color: var(--color-text-secondary);
	cursor: pointer;
	padding: var(--spacing-sm);
	border-radius: var(--radius-md);
	transition: all var(--transition-fast);
	display: flex;
	align-items: center;
	justify-content: center;
}

.icon-button:hover {
	background-color: var(--color-bg-tertiary);
	color: var(--color-text-primary);
}

.icon-button svg {
	width: 24px;
	height: 24px;
}

.icon-button .badge {
	position: absolute;
	top: 4px;
	right: 4px;
	background-color: var(--color-status-critical);
	color: white;
	font-size: 10px;
	font-weight: var(--font-weight-bold);
	min-width: 18px;
	height: 18px;
	border-radius: var(--radius-full);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 4px;
}

/* User Menu */
.user-menu {
	position: relative;
}

.user-button {
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
	background: transparent;
	border: none;
	color: var(--color-text-primary);
	cursor: pointer;
	padding: var(--spacing-xs);
	border-radius: var(--radius-md);
	transition: background-color var(--transition-fast);
}

.user-button:hover {
	background-color: var(--color-bg-tertiary);
}

.user-button .chevron {
	width: 16px;
	height: 16px;
	color: var(--color-text-tertiary);
	transition: transform var(--transition-fast);
}

.user-menu.open .user-button .chevron {
	transform: rotate(180deg);
}

.user-dropdown {
	position: absolute;
	top: calc(100% + var(--spacing-sm));
	right: 0;
	background-color: var(--color-bg-secondary);
	border: 1px solid var(--color-border-primary);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-lg);
	min-width: 240px;
	opacity: 0;
	visibility: hidden;
	transform: translateY(-10px);
	transition: all var(--transition-base);
	z-index: var(--z-dropdown);
}

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

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

.dropdown-name {
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	color: var(--color-text-primary);
}

.dropdown-email {
	font-size: var(--font-size-xs);
	color: var(--color-text-tertiary);
}

.dropdown-divider {
	height: 1px;
	background-color: var(--color-border-primary);
	margin: var(--spacing-xs) 0;
}

.dropdown-item {
	display: flex;
	align-items: center;
	gap: var(--spacing-md);
	padding: var(--spacing-md);
	color: var(--color-text-secondary);
	text-decoration: none;
	font-size: var(--font-size-sm);
	transition: all var(--transition-fast);
}

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

.dropdown-item svg {
	width: 18px;
	height: 18px;
}

/* === 5. MAIN CONTENT === */
.main-content {
	grid-area: main;
	padding: var(--spacing-md);
	min-height: calc(100vh - var(--topbar-height));
	overflow-x: hidden;
}

.sidebar.collapsed ~ .main-content {
	/* No changes needed - grid handles positioning */
}

/* Screen Container */
.screen {
	display: none;
	animation: fadeIn var(--transition-base);
}

.screen.active {
	display: block;
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(10px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* Loading State */
.loading {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 400px;
	font-size: var(--font-size-lg);
	color: var(--color-text-tertiary);
}

/* === 6. BOTTOM NAVIGATION (Mobile) === */
.bottom-nav {
	display: none;
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	height: var(--bottom-nav-height);
	background-color: var(--color-bg-secondary);
	border-top: 1px solid var(--color-border-primary);
	z-index: var(--z-fixed);
}

.bottom-nav-item {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
	color: var(--color-text-tertiary);
	text-decoration: none;
	font-size: 11px;
	transition: all var(--transition-fast);
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
	color: var(--color-primary);
}

.bottom-nav-item svg {
	width: 24px;
	height: 24px;
}

/* === 7. RESPONSIVE === */

/* Tablet (768px - 1199px) */
@media (max-width: 1199px) {
	:root {
		--sidebar-width: 200px;
	}

	.topbar {
		padding: 0 var(--spacing-md);
	}

	.main-content {
		padding: var(--spacing-md);
	}
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
	body {
		grid-template-areas:
			'topbar'
			'main';
		grid-template-columns: 1fr;
		grid-template-rows: var(--topbar-height) 1fr;
		padding-bottom: var(--bottom-nav-height);
	}

	.sidebar {
		transform: translateX(-100%);
	}

	.sidebar.open {
		transform: translateX(0);
	}

	.topbar {
		left: 0;
		padding: 0 var(--spacing-md);
	}

	.mobile-menu-toggle {
		display: block;
	}

	.page-title {
		font-size: var(--font-size-lg);
	}

	.status-badge .status-text {
		display: none;
	}

	.main-content {
		padding: var(--spacing-sm);
	}

	.bottom-nav {
		display: flex;
	}

	/* Hide some topbar items on mobile */
	.user-menu {
		display: none;
	}
}

/* Small Mobile (< 480px) */
@media (max-width: 479px) {
	.page-title {
		font-size: var(--font-size-base);
	}

	.main-content {
		padding: var(--spacing-sm);
	}
}
/* ============================================
   8. COMPONENT LIBRARY
   ============================================ */

/* === 8.1 CARDS === */
.card {
	background-color: var(--color-bg-secondary);
	border: 1px solid var(--color-border-primary);
	border-radius: var(--radius-lg);
	padding: var(--spacing-lg);
	transition: all var(--transition-fast);
}

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

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

.card-title {
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-semibold);
	color: var(--color-text-primary);
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
}

.card-icon {
	width: 20px;
	height: 20px;
	color: var(--color-primary);
}

.card-subtitle {
	font-size: var(--font-size-sm);
	color: var(--color-text-tertiary);
	margin-top: var(--spacing-xs);
}

.card-body {
	flex: 1;
}

.card-footer {
	margin-top: var(--spacing-md);
	padding-top: var(--spacing-md);
	border-top: 1px solid var(--color-border-secondary);
	font-size: var(--font-size-sm);
	color: var(--color-text-tertiary);
}

/* Metric Card */
.metric-card {
	text-align: center;
}

.metric-value {
	font-size: var(--font-size-3xl);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
	margin: var(--spacing-md) 0;
	word-break: break-word;
}

/* System Status Metrics - Smaller font */
.card-body .grid .metric-value {
	font-size: var(--font-size-xl);
	margin: var(--spacing-sm) 0;
}

.metric-label {
	font-size: var(--font-size-sm);
	color: var(--color-text-secondary);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.metric-unit {
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-normal);
	color: var(--color-text-tertiary);
	margin-left: var(--spacing-xs);
}

.metric-change {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-xs);
	font-size: var(--font-size-sm);
	margin-top: var(--spacing-sm);
}

.metric-change.positive {
	color: var(--color-status-normal);
}

.metric-change.negative {
	color: var(--color-status-critical);
}

/* === 8.2 BADGES & STATUS === */
.badge {
	display: inline-flex;
	align-items: center;
	gap: var(--spacing-xs);
	padding: var(--spacing-xs) var(--spacing-sm);
	border-radius: var(--radius-sm);
	font-size: var(--font-size-xs);
	font-weight: var(--font-weight-medium);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.badge-normal,
.badge.status-normal {
	background-color: rgba(16, 185, 129, 0.1);
	color: var(--color-status-normal);
}

.badge-warning,
.badge.status-warning {
	background-color: rgba(245, 158, 11, 0.1);
	color: var(--color-status-warning);
}

.badge-critical,
.badge.status-critical {
	background-color: rgba(239, 68, 68, 0.1);
	color: var(--color-status-critical);
}

.badge-offline,
.badge.status-offline {
	background-color: rgba(107, 114, 128, 0.1);
	color: var(--color-status-offline);
}

.badge-primary {
	background-color: rgba(59, 130, 246, 0.1);
	color: var(--color-primary);
}

/* === 8.3 GAUGES === */
.gauge-container {
	position: relative;
	width: 100%;
	max-width: 240px;
	margin: 0 auto;
	aspect-ratio: 2/1;
}

.gauge-svg {
	width: 100%;
	height: auto;
}

.gauge-bg {
	fill: none;
	stroke: var(--color-border-primary);
	stroke-width: 12;
}

.gauge-fill {
	fill: none;
	stroke-width: 12;
	stroke-linecap: round;
	transition: stroke-dashoffset var(--transition-slow);
}

.gauge-fill.status-normal {
	stroke: var(--color-status-normal);
}

.gauge-fill.status-warning {
	stroke: var(--color-status-warning);
}

.gauge-fill.status-critical {
	stroke: var(--color-status-critical);
}

.gauge-value {
	position: absolute;
	top: 60%;
	left: 50%;
	transform: translate(-50%, -50%);
	text-align: center;
}

.gauge-value-number {
	font-size: var(--font-size-2xl);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
}

.gauge-value-label {
	font-size: var(--font-size-xs);
	color: var(--color-text-tertiary);
	margin-top: var(--spacing-xs);
}

/* Valve Indicator */
.valve-indicator {
	display: inline-flex;
	justify-content: center;
	align-items: center;
	margin: 0 auto;
}

.valve-indicator svg {
	filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
	transition: all var(--transition-normal);
}

.valve-indicator circle,
.valve-indicator path,
.valve-indicator line {
	transition: all var(--transition-normal);
}

/* Range Input (Slider) */
.form-range {
	width: 100%;
	height: 6px;
	background: var(--color-border-primary);
	border-radius: var(--radius-full);
	outline: none;
	opacity: 0.7;
	transition: opacity var(--transition-fast);
	-webkit-appearance: none;
}

.form-range:hover {
	opacity: 1;
}

.form-range:disabled {
	opacity: 0.3;
	cursor: not-allowed;
}

.form-range::-webkit-slider-thumb {
	-webkit-appearance: none;
	appearance: none;
	width: 16px;
	height: 16px;
	background: var(--color-primary);
	cursor: pointer;
	border-radius: 50%;
	transition: all var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
	background: var(--color-primary-hover);
	transform: scale(1.2);
}

.form-range::-moz-range-thumb {
	width: 16px;
	height: 16px;
	background: var(--color-primary);
	cursor: pointer;
	border-radius: 50%;
	border: none;
	transition: all var(--transition-fast);
}

.form-range::-moz-range-thumb:hover {
	background: var(--color-primary-hover);
	transform: scale(1.2);
}

/* Progress Bar */
.progress-bar {
	width: 100%;
	height: 8px;
	background-color: var(--color-border-primary);
	border-radius: var(--radius-full);
	overflow: hidden;
}

.progress-fill {
	height: 100%;
	border-radius: var(--radius-full);
	transition: width var(--transition-base);
}

.progress-fill.status-normal {
	background-color: var(--color-status-normal);
}

.progress-fill.status-warning {
	background-color: var(--color-status-warning);
}

.progress-fill.status-critical {
	background-color: var(--color-status-critical);
}

/* === 8.4 BUTTONS === */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--spacing-sm);
	padding: var(--spacing-sm) var(--spacing-lg);
	border: none;
	border-radius: var(--radius-md);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-medium);
	font-family: var(--font-family);
	cursor: pointer;
	transition: all var(--transition-fast);
	text-decoration: none;
	white-space: nowrap;
}

.btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
	background-color: var(--color-primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
	background-color: var(--color-border-primary);
}

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

.btn-success:hover:not(:disabled) {
	background-color: #059669;
}

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

.btn-warning:hover:not(:disabled) {
	background-color: #d97706;
}

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

.btn-danger:hover:not(:disabled) {
	background-color: #dc2626;
}

.btn-ghost {
	background-color: transparent;
	color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
	background-color: var(--color-bg-tertiary);
	color: var(--color-text-primary);
}

.btn-sm {
	padding: 6px 12px;
	font-size: var(--font-size-xs);
}

.btn-lg {
	padding: 12px 24px;
	font-size: var(--font-size-base);
}

.btn svg {
	width: 18px;
	height: 18px;
}

/* === 8.5 FORMS === */
.form-group {
	margin-bottom: var(--spacing-lg);
}

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

.form-label.required::after {
	content: '*';
	color: var(--color-status-critical);
	margin-left: var(--spacing-xs);
}

.form-input,
.form-select,
.form-textarea {
	width: 100%;
	padding: var(--spacing-sm) var(--spacing-md);
	background-color: var(--color-bg-input);
	border: 1px solid var(--color-border-primary);
	border-radius: var(--radius-md);
	color: var(--color-text-primary);
	font-size: var(--font-size-sm);
	font-family: var(--font-family);
	transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
	outline: none;
	border-color: var(--color-border-focus);
	box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.form-textarea {
	min-height: 100px;
	resize: vertical;
}

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

.form-error {
	font-size: var(--font-size-xs);
	color: var(--color-status-critical);
	margin-top: var(--spacing-xs);
}

/* Toggle Switch */
.toggle-switch {
	position: relative;
	display: inline-block;
	width: 48px;
	height: 24px;
}

.toggle-switch input {
	opacity: 0;
	width: 0;
	height: 0;
}

.toggle-slider {
	position: absolute;
	cursor: pointer;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background-color: var(--color-border-primary);
	transition: var(--transition-base);
	border-radius: var(--radius-full);
}

.toggle-slider:before {
	position: absolute;
	content: '';
	height: 18px;
	width: 18px;
	left: 3px;
	bottom: 3px;
	background-color: white;
	transition: var(--transition-base);
	border-radius: var(--radius-full);
}

.toggle-switch input:checked + .toggle-slider {
	background-color: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider:before {
	transform: translateX(24px);
}

.toggle-switch input:disabled + .toggle-slider {
	opacity: 0.5;
	cursor: not-allowed;
}

/* === 8.6 TABLES === */
.table-container {
	width: 100%;
	overflow-x: auto;
	border: 1px solid var(--color-border-primary);
	border-radius: var(--radius-lg);
}

.table {
	width: 100%;
	border-collapse: collapse;
}

.table thead {
	background-color: var(--color-bg-tertiary);
}

.table th {
	padding: var(--spacing-md);
	text-align: left;
	font-size: var(--font-size-xs);
	font-weight: var(--font-weight-semibold);
	color: var(--color-text-secondary);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	border-bottom: 1px solid var(--color-border-primary);
}

.table td {
	padding: var(--spacing-md);
	font-size: var(--font-size-sm);
	color: var(--color-text-primary);
	border-bottom: 1px solid var(--color-border-secondary);
}

.table tbody tr:last-child td {
	border-bottom: none;
}

.table tbody tr:hover {
	background-color: var(--color-bg-tertiary);
}

/* === 8.7 GRID SYSTEM === */
.grid {
	display: grid;
	gap: var(--spacing-lg);
}

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

.grid-cols-2 {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* System Status Grid - Better spacing */
.card-body .grid-cols-4 > div {
	padding: var(--spacing-sm);
	min-width: 0;
}

/* Responsive Grid */
@media (max-width: 1199px) {
	.grid-cols-4 {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
	.grid-cols-3 {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 767px) {
	.grid-cols-4,
	.grid-cols-3,
	.grid-cols-2 {
		grid-template-columns: repeat(1, minmax(0, 1fr));
	}
}

/* === 8.8 ALERTS === */
.alert {
	display: flex;
	align-items: flex-start;
	gap: var(--spacing-md);
	padding: var(--spacing-md);
	border-radius: var(--radius-md);
	margin-bottom: var(--spacing-md);
}

.alert-icon {
	width: 20px;
	height: 20px;
	flex-shrink: 0;
}

.alert-content {
	flex: 1;
}

.alert-title {
	font-weight: var(--font-weight-semibold);
	margin-bottom: var(--spacing-xs);
}

.alert-message {
	font-size: var(--font-size-sm);
}

.alert-info {
	background-color: rgba(59, 130, 246, 0.1);
	color: var(--color-primary);
	border-left: 3px solid var(--color-primary);
}

.alert-success {
	background-color: rgba(16, 185, 129, 0.1);
	color: var(--color-status-normal);
	border-left: 3px solid var(--color-status-normal);
}

.alert-warning {
	background-color: rgba(245, 158, 11, 0.1);
	color: var(--color-status-warning);
	border-left: 3px solid var(--color-status-warning);
}

.alert-critical,
.alert-danger {
	background-color: rgba(239, 68, 68, 0.1);
	color: var(--color-status-critical);
	border-left: 3px solid var(--color-status-critical);
}

/* === 8.9 CHART CONTAINER === */
.chart-container {
	position: relative;
	width: 100%;
	height: 300px;
}

.chart-container canvas {
	max-width: 100%;
	height: auto !important;
}

/* === 8.10 EMPTY STATE === */
.empty-state {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: var(--spacing-2xl);
	text-align: center;
	color: var(--color-text-tertiary);
}

.empty-state-icon {
	width: 64px;
	height: 64px;
	margin-bottom: var(--spacing-lg);
	opacity: 0.5;
}

.empty-state-title {
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-semibold);
	color: var(--color-text-secondary);
	margin-bottom: var(--spacing-sm);
}

.empty-state-message {
	font-size: var(--font-size-sm);
}

/* === 8.11 DIVIDER === */
.divider {
	height: 1px;
	background-color: var(--color-border-primary);
	margin: var(--spacing-lg) 0;
}

/* === 8.12 LOADING SPINNER === */
.spinner {
	width: 40px;
	height: 40px;
	border: 4px solid var(--color-border-primary);
	border-top-color: var(--color-primary);
	border-radius: var(--radius-full);
	animation: spin 1s linear infinite;
}

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

/* === 8.13 UTILITY CLASSES === */
.text-center {
	text-align: center;
}

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

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

.mt-0 {
	margin-top: 0;
}
.mt-sm {
	margin-top: var(--spacing-sm);
}
.mt-md {
	margin-top: var(--spacing-md);
}
.mt-lg {
	margin-top: var(--spacing-lg);
}
.mt-xl {
	margin-top: var(--spacing-xl);
}

.mb-0 {
	margin-bottom: 0;
}
.mb-sm {
	margin-bottom: var(--spacing-sm);
}
.mb-md {
	margin-bottom: var(--spacing-md);
}
.mb-lg {
	margin-bottom: var(--spacing-lg);
}
.mb-xl {
	margin-bottom: var(--spacing-xl);
}

.flex {
	display: flex;
}

.flex-col {
	flex-direction: column;
}

.items-center {
	align-items: center;
}

.justify-between {
	justify-content: space-between;
}

.gap-sm {
	gap: var(--spacing-sm);
}

.gap-md {
	gap: var(--spacing-md);
}

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

/* Text Status Colors */
.text-status-normal {
	color: var(--color-status-normal);
	font-weight: 600;
}

.text-status-warning {
	color: var(--color-status-warning);
	font-weight: 600;
}

.text-status-critical {
	color: var(--color-status-critical);
	font-weight: 600;
}

.text-status-offline {
	color: var(--color-status-offline);
	font-weight: 600;
}