/**
 * Availability Calendar Shortcode Styles
 * Mobile-First, Production-Ready CSS
 * @package HolidayHomeBooking
 */

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */

:root {
	/* Calendar-specific colors */
	--hhb-cal-available: #10b981;
	--hhb-cal-available-bg: #d1fae5;
	--hhb-cal-booked: #ef4444;
	--hhb-cal-booked-bg: #fee2e2;
	--hhb-cal-unavailable: #6b7280;
	--hhb-cal-unavailable-bg: #e5e7eb;
	--hhb-cal-past-bg: #f9fafb;
	--hhb-cal-selected: #2563eb;
	--hhb-cal-hover: #f3f4f6;
	
	/* Reuse global HHB variables if available */
	--hhb-cal-primary: var(--hhb-primary, #2563eb);
	--hhb-cal-text: var(--hhb-text-primary, #1f2937);
	--hhb-cal-text-light: var(--hhb-text-secondary, #6b7280);
	--hhb-cal-border: var(--hhb-border, #e5e7eb);
	--hhb-cal-bg: var(--hhb-bg-white, #ffffff);
}

/* ==========================================================================
   Base Calendar Container - Mobile First
   ========================================================================== */

.hhb-availability-calendar {
	width: 100%;
	max-width: 100%;
	margin: 1rem 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
	font-size: 1rem;
	line-height: 1.5;
	color: var(--hhb-cal-text);
	box-sizing: border-box;
}

@media (min-width: 768px) {
	.hhb-availability-calendar {
		margin: 1.5rem 0;
	}
}

/* ==========================================================================
   Calendar Legend - Mobile First
   ========================================================================== */

.hhb-calendar-legend {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-bottom: 1.5rem;
	padding: 1rem;
	background: var(--hhb-cal-bg);
	border: 1px solid var(--hhb-cal-border);
	border-radius: 0.5rem;
}

@media (min-width: 768px) {
	.hhb-calendar-legend {
		gap: 1.5rem;
	}
}

/* ==========================================================================
   Calendar Navigation - Mobile First
   ========================================================================== */

.hhb-calendar-nav {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1.5rem;
}

.hhb-calendar-nav button {
	background: var(--hhb-cal-primary);
	color: var(--hhb-cal-bg);
	border: 2px solid var(--hhb-cal-primary);
	border-radius: 0.5rem;
	padding: 0.75rem 1.5rem;
	font-size: 1.25rem;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s ease;
	min-height: 44px;
	min-width: 44px;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hhb-calendar-nav button:hover:not(:disabled) {
	background: var(--hhb-cal-bg);
	color: var(--hhb-cal-primary);
	transform: scale(1.05);
	box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.hhb-calendar-nav button:active:not(:disabled) {
	transform: scale(0.98);
}

.hhb-calendar-nav button:disabled,
.hhb-calendar-nav button.disabled {
	opacity: 0.4;
	cursor: not-allowed;
	background: var(--hhb-cal-unavailable-bg);
	border-color: var(--hhb-cal-border);
	color: var(--hhb-cal-text-light);
	box-shadow: none;
}

.hhb-calendar-nav button:focus {
	outline: 3px solid var(--hhb-cal-primary);
	outline-offset: 2px;
}

@media (min-width: 768px) {
	.hhb-calendar-nav button {
		padding: 0.875rem 2rem;
		font-size: 1.5rem;
	}
}

/* ==========================================================================
   Legend Items
   ========================================================================== */

.hhb-legend-item {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.875rem;
	min-height: 44px; /* Touch-friendly */
	padding: 0.25rem 0;
}

@media (min-width: 768px) {
	.hhb-legend-item {
		font-size: 1rem;
	}
}

.hhb-legend-color {
	width: 24px;
	height: 24px;
	border-radius: 0.25rem;
	border: 1px solid var(--hhb-cal-border);
	flex-shrink: 0;
}

@media (min-width: 768px) {
	.hhb-legend-color {
		width: 28px;
		height: 28px;
	}
}

.hhb-legend-available {
	background: var(--hhb-cal-available-bg);
	border-color: var(--hhb-cal-available);
}

.hhb-legend-booked {
	background: var(--hhb-cal-booked-bg);
	border-color: var(--hhb-cal-booked);
}

.hhb-legend-unavailable {
	background: var(--hhb-cal-unavailable-bg);
	border-color: var(--hhb-cal-unavailable);
}

.hhb-legend-label {
	font-weight: 500;
	color: var(--hhb-cal-text);
}

/* ==========================================================================
   Calendar Months Grid - Mobile First
   ========================================================================== */

.hhb-calendar-months {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
}

@media (min-width: 768px) {
	.hhb-calendar-months {
		grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
		gap: 2rem;
	}
}

/* ==========================================================================
   Individual Month Container
   ========================================================================== */

.hhb-calendar-month {
	background: var(--hhb-cal-bg);
	border: 1px solid var(--hhb-cal-border);
	border-radius: 0.5rem;
	overflow: hidden;
	box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

/* Month Header */
.hhb-month-header {
	background: var(--hhb-cal-primary);
	color: var(--hhb-cal-bg);
	padding: 1rem;
	text-align: center;
}

.hhb-month-header h3 {
	margin: 0;
	font-size: 1.125rem;
	font-weight: 600;
	line-height: 1.4;
}

@media (min-width: 768px) {
	.hhb-month-header h3 {
		font-size: 1.25rem;
	}
}

/* ==========================================================================
   Calendar Grid
   ========================================================================== */

.hhb-calendar-grid {
	padding: 1rem;
}

@media (min-width: 768px) {
	.hhb-calendar-grid {
		padding: 1.25rem;
	}
}

/* Day Headers (Sun, Mon, Tue, etc.) */
.hhb-calendar-header {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 0.25rem;
	margin-bottom: 0.5rem;
}

.hhb-day-header {
	text-align: center;
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--hhb-cal-text-light);
	padding: 0.5rem 0;
	text-transform: uppercase;
	letter-spacing: 0.5px;
}

@media (min-width: 768px) {
	.hhb-day-header {
		font-size: 0.875rem;
	}
}

/* ==========================================================================
   Calendar Days Grid - Touch Friendly
   ========================================================================== */

.hhb-calendar-days {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 0.25rem;
}

@media (min-width: 768px) {
	.hhb-calendar-days {
		gap: 0.375rem;
	}
}

/* Individual Day Cell */
.hhb-calendar-day {
	aspect-ratio: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	border-radius: 0.375rem;
	border: 1px solid var(--hhb-cal-border);
	font-size: 0.875rem;
	position: relative;
	transition: all 0.2s ease;
	min-height: 44px; /* Touch-friendly minimum */
	box-sizing: border-box;
}

@media (min-width: 768px) {
	.hhb-calendar-day {
		font-size: 1rem;
	}
}

/* Empty Day (padding cells) */
.hhb-day-empty {
	background: transparent;
	border: none;
	visibility: hidden;
}

/* Past Dates */
.hhb-day-past {
	background: var(--hhb-cal-past-bg);
	color: var(--hhb-cal-text-light);
	cursor: not-allowed;
	opacity: 0.5;
}

/* Available Dates */
.hhb-day-available {
	background: var(--hhb-cal-available-bg);
	color: #065f46;
	border-color: var(--hhb-cal-available);
	cursor: default;
	font-weight: 500;
}

/* Booked Dates */
.hhb-day-booked {
	background: var(--hhb-cal-booked-bg);
	color: #991b1b;
	border-color: var(--hhb-cal-booked);
	cursor: not-allowed;
	font-weight: 500;
}

/* Unavailable Dates */
.hhb-day-unavailable {
	background: var(--hhb-cal-unavailable-bg);
	color: var(--hhb-cal-unavailable);
	cursor: not-allowed;
}

/* ==========================================================================
   Clickable Days - Touch Friendly
   ========================================================================== */

.hhb-day-clickable {
	cursor: pointer;
	min-height: 44px;
	min-width: 44px;
}

.hhb-day-clickable:hover {
	transform: scale(1.05);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
	z-index: 1;
}

.hhb-day-clickable:active {
	transform: scale(0.98);
}

.hhb-day-clickable.hhb-day-selected {
	background: var(--hhb-cal-selected);
	color: var(--hhb-cal-bg);
	border-color: var(--hhb-cal-selected);
	font-weight: 600;
	box-shadow: 0 0 0 2px var(--hhb-cal-selected);
}

/* Focus State for Keyboard Navigation */
.hhb-day-clickable:focus {
	outline: 3px solid var(--hhb-cal-primary);
	outline-offset: 2px;
	z-index: 2;
}

/* ==========================================================================
   Day Content
   ========================================================================== */

.hhb-day-number {
	font-weight: 500;
	line-height: 1;
}

.hhb-day-price {
	font-size: 0.625rem;
	margin-top: 0.125rem;
	font-weight: 600;
	line-height: 1;
	white-space: nowrap;
}

@media (min-width: 768px) {
	.hhb-day-price {
		font-size: 0.75rem;
		margin-top: 0.25rem;
	}
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 767px) {
	.hhb-calendar-legend {
		flex-direction: column;
		gap: 0.5rem;
	}
	
	.hhb-calendar-day {
		font-size: 0.75rem;
		min-height: 40px;
	}
	
	.hhb-day-price {
		font-size: 0.5rem;
	}
}

/* Very Small Screens */
@media (max-width: 374px) {
	.hhb-calendar-grid {
		padding: 0.75rem;
	}
	
	.hhb-calendar-days {
		gap: 0.125rem;
	}
	
	.hhb-calendar-day {
		font-size: 0.75rem;
		min-height: 36px;
	}
	
	.hhb-day-header {
		font-size: 0.625rem;
	}
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
	.hhb-availability-calendar {
		page-break-inside: avoid;
	}
	
	.hhb-calendar-month {
		border: 2px solid #000;
		box-shadow: none;
		page-break-inside: avoid;
	}
	
	.hhb-day-clickable {
		cursor: default;
	}
	
	.hhb-calendar-days {
		gap: 1px;
	}
}

/* ==========================================================================
   RTL Support
   ========================================================================== */

.rtl .hhb-availability-calendar {
	direction: rtl;
	text-align: right;
}

.rtl .hhb-calendar-days {
	direction: ltr; /* Keep calendar grid LTR */
}

/* ==========================================================================
   Accessibility Enhancements
   ========================================================================== */

/* Keyboard Navigation */
.hhb-day-clickable:focus-visible {
	outline: 3px solid var(--hhb-cal-primary);
	outline-offset: 2px;
	z-index: 2;
}

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

/* Reduce Motion */
@media (prefers-reduced-motion: reduce) {
	.hhb-calendar-day,
	.hhb-day-clickable {
		transition: none;
	}
	
	.hhb-day-clickable:hover {
		transform: none;
	}
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
	.hhb-calendar-month {
		border-width: 2px;
	}
	
	.hhb-calendar-day {
		border-width: 2px;
	}
	
	.hhb-legend-color {
		border-width: 2px;
	}
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
	:root {
		--hhb-cal-text: #f9fafb;
		--hhb-cal-text-light: #d1d5db;
		--hhb-cal-border: #374151;
		--hhb-cal-bg: #1f2937;
		--hhb-cal-hover: #374151;
		--hhb-cal-past-bg: #111827;
	}
}