/**
 * Oumma EasyBook Calendar Styles
 *
 * Ultra-modern, responsive calendar component.
 * Uses CSS custom properties for full customization.
 *
 * @package Oumma_EasyBook
 * @since   1.0.0
 */

/* ================================================
   Calendar Container
   ================================================ */
.oumma-easybook-calendar {
	font-family: var(--oumma-easybook-font-family, inherit);
	background: var(--oumma-easybook-bg, #fff);
	border-radius: var(--oumma-easybook-border-radius, 12px);
	overflow: hidden;
	user-select: none;
	-webkit-user-select: none;
}

/* ================================================
   Calendar Header (Month Navigation)
   ================================================ */
.oumma-easybook-calendar-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 20px;
	background: var(--oumma-easybook-primary, #3B82F6);
	color: #fff;
}

.oumma-easybook-calendar-title {
	font-size: 18px;
	font-weight: 600;
	letter-spacing: 0.3px;
}

.oumma-easybook-calendar-nav {
	display: flex;
	gap: 4px;
}

.oumma-easybook-calendar-nav-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	background: rgba(255, 255, 255, 0.15);
	border: none;
	border-radius: 8px;
	color: #fff;
	cursor: pointer;
	font-size: 18px;
	transition: var(--oumma-easybook-transition, all 0.2s ease);
}

.oumma-easybook-calendar-nav-btn:hover {
	background: rgba(255, 255, 255, 0.3);
}

.oumma-easybook-calendar-nav-btn:disabled {
	opacity: 0.3;
	cursor: not-allowed;
}

.oumma-easybook-calendar-nav-btn svg {
	width: 20px;
	height: 20px;
	fill: currentColor;
}

/* ================================================
   Day Names Header
   ================================================ */
.oumma-easybook-calendar-days-header {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	padding: 12px 8px 8px;
	background: var(--oumma-easybook-bg-alt, #F9FAFB);
	border-bottom: 1px solid var(--oumma-easybook-border, #E5E7EB);
}

.oumma-easybook-calendar-day-name {
	text-align: center;
	font-size: 12px;
	font-weight: 700;
	color: var(--oumma-easybook-text-light, #6B7280);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	padding: 4px;
}

/* ================================================
   Calendar Grid
   ================================================ */
.oumma-easybook-calendar-grid {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	gap: 2px;
	padding: 8px;
}

.oumma-easybook-calendar-cell {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 12px 0;
	border-radius: calc(var(--oumma-easybook-border-radius, 12px) * 0.6);
	cursor: pointer;
	font-size: 14px;
	font-weight: 500;
	color: var(--oumma-easybook-text, #1F2937);
	transition: var(--oumma-easybook-transition, all 0.2s ease);
	border: 2px solid transparent;
}

.oumma-easybook-calendar-cell:hover:not(.oumma-easybook-calendar-cell--disabled):not(.oumma-easybook-calendar-cell--empty) {
	background: var(--oumma-easybook-primary-light, #EFF6FF);
	border-color: var(--oumma-easybook-primary, #3B82F6);
}

/* Empty cells (other months) */
.oumma-easybook-calendar-cell--empty {
	cursor: default;
}

/* Disabled (past or unavailable) */
.oumma-easybook-calendar-cell--disabled {
	color: var(--oumma-easybook-border, #D1D5DB);
	cursor: not-allowed;
}

.oumma-easybook-calendar-cell--disabled:hover {
	background: transparent;
	border-color: transparent;
}

/* Today */
.oumma-easybook-calendar-cell--today {
	font-weight: 700;
}

.oumma-easybook-calendar-cell--today::after {
	content: '';
	position: absolute;
	bottom: 4px;
	left: 50%;
	transform: translateX(-50%);
	width: 4px;
	height: 4px;
	border-radius: 50%;
	background: var(--oumma-easybook-primary, #3B82F6);
}

/* Selected */
.oumma-easybook-calendar-cell--selected {
	background: var(--oumma-easybook-primary, #3B82F6) !important;
	color: #fff !important;
	border-color: var(--oumma-easybook-primary, #3B82F6) !important;
	font-weight: 700;
}

.oumma-easybook-calendar-cell--selected::after {
	background: #fff;
}

/* Has availability indicator */
.oumma-easybook-calendar-cell--available {
	color: var(--oumma-easybook-text, #1F2937);
}

.oumma-easybook-calendar-cell--available::before {
	content: '';
	position: absolute;
	top: 4px;
	right: 4px;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--oumma-easybook-secondary, #10B981);
}

/* ================================================
   Time Slots
   ================================================ */
.oumma-easybook-time-slots {
	padding: 16px;
}

.oumma-easybook-time-slots-title {
	font-size: 14px;
	font-weight: 600;
	color: var(--oumma-easybook-text, #1F2937);
	margin: 0 0 12px;
}

.oumma-easybook-time-slots-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
	gap: 8px;
}

.oumma-easybook-time-slot {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 10px 8px;
	border: 2px solid var(--oumma-easybook-border, #E5E7EB);
	border-radius: calc(var(--oumma-easybook-border-radius, 12px) * 0.6);
	background: var(--oumma-easybook-bg, #fff);
	color: var(--oumma-easybook-text, #1F2937);
	font-size: 14px;
	font-weight: 500;
	cursor: pointer;
	transition: var(--oumma-easybook-transition, all 0.2s ease);
}

.oumma-easybook-time-slot:hover {
	border-color: var(--oumma-easybook-primary, #3B82F6);
	background: var(--oumma-easybook-primary-light, #EFF6FF);
	color: var(--oumma-easybook-primary, #3B82F6);
}

.oumma-easybook-time-slot--selected {
	background: var(--oumma-easybook-primary, #3B82F6) !important;
	border-color: var(--oumma-easybook-primary, #3B82F6) !important;
	color: #fff !important;
	font-weight: 700;
}

.oumma-easybook-time-slots-grid:has(.oumma-easybook-time-slots-empty) {
	display: block;
}

.oumma-easybook-time-slots-empty {
	grid-column: 1 / -1;
	text-align: center;
	padding: 16px 24px;
	color: #991B1B;
	font-size: 14px;
	font-weight: 500;
	background-color: #FEF2F2;
	border: 1px solid #FECACA;
	border-radius: calc(var(--oumma-easybook-border-radius, 12px) * 0.6);
}

/* ================================================
   Loading State
   ================================================ */
.oumma-easybook-calendar-loading {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 40px;
	color: var(--oumma-easybook-text-light, #6B7280);
}

.oumma-easybook-spinner {
	width: 24px;
	height: 24px;
	border: 3px solid var(--oumma-easybook-border, #E5E7EB);
	border-top-color: var(--oumma-easybook-primary, #3B82F6);
	border-radius: 50%;
	animation: oumma-easybook-spin 0.6s linear infinite;
	margin-right: 10px;
}

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

/* ================================================
   RTL Support
   ================================================ */
[dir="rtl"] .oumma-easybook-calendar-nav {
	flex-direction: row-reverse;
}

[dir="rtl"] .oumma-easybook-calendar-nav-btn svg {
	transform: scaleX(-1);
}

/* ================================================
   Responsive
   ================================================ */
@media (max-width: 640px) {
	.oumma-easybook-calendar {
		border-radius: 12px;
	}
	.oumma-easybook-calendar-cell {
		padding: 10px 4px;
		min-height: 38px;
	}
}

@media (max-width: 480px) {
	.oumma-easybook-calendar-header {
		padding: 12px 16px;
	}

	.oumma-easybook-calendar-title {
		font-size: 16px;
	}

	.oumma-easybook-calendar-cell {
		font-size: 13px;
		padding: 8px 2px;
	}

	.oumma-easybook-time-slots-grid {
		grid-template-columns: repeat(3, 1fr);
	}

	.oumma-easybook-calendar-day-name {
		font-size: 11px;
	}
}

@media (max-width: 360px) {
	.oumma-easybook-calendar-cell {
		font-size: 12px;
		padding: 6px 1px;
	}
	.oumma-easybook-time-slots-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* Unavailable date (no slots) — visible but dimmed, still clickable */
.oumma-easybook-calendar-cell--unavailable {
	color: #CBD5E1;
	cursor: pointer;
}
.oumma-easybook-calendar-cell--unavailable:hover {
	background: #F1F5F9;
	color: #94A3B8;
}