/* Mobile-First Responsive System (static copy for production) */

/* CSS Custom Properties for Mobile Design */
:root {
	/* Breakpoints */
	--mobile-small: 320px;
	--mobile-large: 480px;
	--tablet: 768px;
	--desktop: 1024px;
	--desktop-large: 1440px;
  
	/* Mobile-optimized spacing */
	--spacing-xs: 0.25rem;  /* 4px */
	--spacing-sm: 0.5rem;   /* 8px */
	--spacing-md: 1rem;     /* 16px */
	--spacing-lg: 1.5rem;   /* 24px */
	--spacing-xl: 2rem;     /* 32px */
	--spacing-2xl: 3rem;    /* 48px */
  
	/* Touch-friendly sizing */
	--touch-target: 44px;
	--touch-target-small: 32px;
	--mobile-header-height: 56px;
	--mobile-bottom-nav: 60px;
  
	/* Mobile typography */
	--text-xs: 0.75rem;     /* 12px */
	--text-sm: 0.875rem;    /* 14px */
	--text-base: 1rem;      /* 16px */
	--text-lg: 1.125rem;    /* 18px */
	--text-xl: 1.25rem;     /* 20px */
	--text-2xl: 1.5rem;     /* 24px */
	--text-3xl: 1.875rem;   /* 30px */
  
	/* Mobile colors with better contrast */
	--primary-mobile: #2563eb;
	--primary-mobile-dark: #1d4ed8;
	--secondary-mobile: #64748b;
	--success-mobile: #059669;
	--warning-mobile: #d97706;
	--error-mobile: #dc2626;
  
	/* Mobile shadows */
	--shadow-mobile: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
	--shadow-mobile-lg: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  
	/* Mobile borders */
	--border-mobile: 1px solid #e2e8f0;
	--border-radius-mobile: 8px;
	--border-radius-mobile-lg: 12px;
}

/* Base mobile-first styles */
* {
	box-sizing: border-box;
}

html {
	font-size: 16px;
	-webkit-tap-highlight-color: transparent;
}

body {
	margin: 0;
	padding: 0;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
		'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
		sans-serif;
	line-height: 1.5;
	color: #1f2937;
	background-color: #f8fafc;
	overflow-x: hidden;
}

/* Mobile container system */
.container {
	width: 100%;
	max-width: 100%;
	margin: 0 auto;
	padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
	.container {
		max-width: 768px;
		padding: 0 var(--spacing-lg);
	}
}

@media (min-width: 1024px) {
	.container {
		max-width: 1024px;
		padding: 0 var(--spacing-xl);
	}
}

@media (min-width: 1440px) {
	.container {
		max-width: 1440px;
	}
}

/* Mobile Grid System */
.grid {
	display: grid;
	gap: var(--spacing-md);
}

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

@media (min-width: 768px) {
	.grid-cols-tablet-2 { grid-template-columns: repeat(2, 1fr); }
	.grid-cols-tablet-3 { grid-template-columns: repeat(3, 1fr); }
	.grid-cols-tablet-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
	.grid-cols-desktop-3 { grid-template-columns: repeat(3, 1fr); }
	.grid-cols-desktop-4 { grid-template-columns: repeat(4, 1fr); }
	.grid-cols-desktop-6 { grid-template-columns: repeat(6, 1fr); }
}

/* Mobile Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

/* Mobile Spacing */
.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-6 { padding: var(--spacing-xl); }

.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-xs); }
.m-2 { margin: var(--spacing-sm); }
.m-3 { margin: var(--spacing-md); }
.m-4 { margin: var(--spacing-lg); }

.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-3 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-4 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }

.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }

/* Touch-friendly button styles */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: var(--touch-target);
	padding: var(--spacing-sm) var(--spacing-md);
	border: none;
	border-radius: var(--border-radius-mobile);
	font-size: var(--text-base);
	font-weight: 500;
	text-decoration: none;
	cursor: pointer;
	transition: all 0.2s ease;
	-webkit-user-select: none;
	user-select: none;
	-webkit-tap-highlight-color: transparent;
}

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

.btn:active {
	transform: translateY(0);
}

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

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

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

.btn-outline {
	background-color: transparent;
	border: 2px solid var(--primary-mobile);
	color: var(--primary-mobile);
}

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

.btn-sm {
	min-height: var(--touch-target-small);
	padding: var(--spacing-xs) var(--spacing-sm);
	font-size: var(--text-sm);
}

.btn-lg {
	min-height: 56px;
	padding: var(--spacing-md) var(--spacing-lg);
	font-size: var(--text-lg);
}

/* Mobile form styles */
.form-group {
	margin-bottom: var(--spacing-md);
}

.form-label {
	display: block;
	margin-bottom: var(--spacing-xs);
	font-size: var(--text-sm);
	font-weight: 500;
	color: #374151;
}

.form-input {
	width: 100%;
	min-height: var(--touch-target);
	padding: var(--spacing-sm) var(--spacing-md);
	border: var(--border-mobile);
	border-radius: var(--border-radius-mobile);
	font-size: var(--text-base);
	background-color: white;
	transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
	outline: none;
	border-color: var(--primary-mobile);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
	min-height: 120px;
	resize: vertical;
}

.form-select {
	background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
	background-position: right var(--spacing-sm) center;
	background-repeat: no-repeat;
	background-size: 1.5em 1.5em;
	padding-right: 2.5rem;
	appearance: none;
}

/* Mobile card styles */
.card {
	background-color: white;
	border-radius: var(--border-radius-mobile-lg);
	box-shadow: var(--shadow-mobile);
	overflow: hidden;
	margin-bottom: var(--spacing-md);
}

.card-header {
	padding: var(--spacing-md);
	background-color: #f8fafc;
	border-bottom: var(--border-mobile);
}

.card-title {
	margin: 0;
	font-size: var(--text-lg);
	font-weight: 600;
	color: #111827;
}

.card-body {
	padding: var(--spacing-md);
}

.card-footer {
	padding: var(--spacing-md);
	background-color: #f8fafc;
	border-top: var(--border-mobile);
}

/* Mobile table styles */
.table-container {
	overflow-x: auto;
	border-radius: var(--border-radius-mobile);
	box-shadow: var(--shadow-mobile);
}

.table {
	width: 100%;
	min-width: 600px;
	border-collapse: collapse;
	background-color: white;
}

.table th,
.table td {
	padding: var(--spacing-sm) var(--spacing-md);
	text-align: left;
	border-bottom: var(--border-mobile);
}

.table th {
	background-color: #f8fafc;
	font-weight: 600;
	font-size: var(--text-sm);
	color: #374151;
}

/* Mobile-specific table cards for narrow screens */
@media (max-width: 640px) {
	.table-mobile-cards .table {
		display: none;
	}
  
	.table-mobile-cards .mobile-card {
		background-color: white;
		border-radius: var(--border-radius-mobile);
		box-shadow: var(--shadow-mobile);
		margin-bottom: var(--spacing-sm);
		padding: var(--spacing-md);
	}
  
	.table-mobile-cards .mobile-card-row {
		display: flex;
		justify-content: space-between;
		align-items: center;
		margin-bottom: var(--spacing-xs);
	}
  
	.table-mobile-cards .mobile-card-label {
		font-weight: 600;
		font-size: var(--text-sm);
		color: #6b7280;
	}
  
	.table-mobile-cards .mobile-card-value {
		font-size: var(--text-sm);
		color: #111827;
	}
}

/* Mobile navigation utilities */
.mobile-hidden {
	display: none;
}

@media (min-width: 768px) {
	.mobile-hidden {
		display: block;
	}
}

.desktop-hidden {
	display: block;
}

@media (min-width: 768px) {
	.desktop-hidden {
		display: none;
	}
}

/* Touch gesture support */
.swipeable {
	touch-action: pan-x;
	-webkit-user-select: none;
	user-select: none;
}

.pinchable {
	touch-action: pinch-zoom;
}

/* Mobile loading states */
.loading {
	position: relative;
	overflow: hidden;
}

.loading::after {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
	animation: loading 1.5s infinite;
}

@keyframes loading {
	0% { left: -100%; }
	100% { left: 100%; }
}

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

/* Focus styles for better accessibility */
*:focus {
	outline: 2px solid var(--primary-mobile);
	outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
	:root {
		--primary-mobile: #0000ff;
		--error-mobile: #ff0000;
		--success-mobile: #008000;
	}
  
	.btn {
		border: 2px solid currentColor;
	}
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
	* {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
	:root {
		--primary-mobile: #3b82f6;
		--secondary-mobile: #94a3b8;
	}
  
	body {
		background-color: #111827;
		color: #f9fafb;
	}
  
	.card {
		background-color: #1f2937;
	}
  
	.card-header,
	.card-footer {
		background-color: #374151;
	}
  
	.form-input {
		background-color: #1f2937;
		border-color: #374151;
		color: #f9fafb;
	}
}