/**
 * AI Event Calendar - Frontend Calendar Styles
 *
 * @package AI_Event_Calendar
 */

/* CSS Custom Properties - will be overridden by inline styles */
:root {
	--aiec-calendar-primary: #2271b1;
	--aiec-calendar-accent: #135e96;
	--aiec-calendar-bg: #ffffff;
	--aiec-calendar-text: #1e293b;
	--aiec-calendar-text-muted: #64748b;
	--aiec-calendar-border: #e2e8f0;
	--aiec-calendar-radius: 12px;
	--aiec-calendar-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
	--aiec-calendar-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

/* Container */
.aiec-calendar {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
	background: var(--aiec-calendar-bg);
	border-radius: var(--aiec-calendar-radius);
	box-shadow: var(--aiec-calendar-shadow);
	overflow: hidden;
	position: relative;
}

/* Header */
.aiec-calendar__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 20px;
	background: linear-gradient(135deg, var(--aiec-calendar-primary), var(--aiec-calendar-accent));
	color: white;
	gap: 16px;
	flex-wrap: wrap;
}

/* View Buttons */
.aiec-calendar__views {
	display: flex;
	gap: 4px;
	background: rgba(255, 255, 255, 0.15);
	padding: 4px;
	border-radius: 8px;
}

.aiec-calendar__view-btn {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 8px 12px;
	border: none;
	background: transparent;
	color: rgba(255, 255, 255, 0.8);
	font-size: 14px;
	font-weight: 500;
	border-radius: 6px;
	cursor: pointer;
	transition: all 0.2s ease;
}

.aiec-calendar__view-btn:hover {
	background: rgba(255, 255, 255, 0.1);
	color: white;
}

.aiec-calendar__view-btn--active {
	background: white;
	color: var(--aiec-calendar-primary);
}

.aiec-calendar__view-btn--active:hover {
	background: white;
	color: var(--aiec-calendar-primary);
}

.aiec-calendar__view-btn svg {
	flex-shrink: 0;
}

/* Navigation */
.aiec-calendar__nav {
	display: flex;
	align-items: center;
	gap: 12px;
}

.aiec-calendar__nav-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	border: none;
	background: rgba(255, 255, 255, 0.15);
	color: white;
	border-radius: 8px;
	cursor: pointer;
	transition: all 0.2s ease;
}

.aiec-calendar__nav-btn:hover {
	background: rgba(255, 255, 255, 0.25);
	transform: scale(1.05);
}

.aiec-calendar__month-label {
	font-size: 18px;
	font-weight: 600;
	min-width: 160px;
	text-align: center;
}

/* Filter */
.aiec-calendar__filter {
	padding: 12px 20px;
	background: #f8fafc;
	border-bottom: 1px solid var(--aiec-calendar-border);
}

.aiec-calendar__category-select {
	width: 100%;
	max-width: 300px;
	padding: 10px 14px;
	font-size: 14px;
	border: 1px solid var(--aiec-calendar-border);
	border-radius: 8px;
	background: white;
	color: var(--aiec-calendar-text);
	cursor: pointer;
	transition: border-color 0.2s ease;
}

.aiec-calendar__category-select:hover,
.aiec-calendar__category-select:focus {
	border-color: var(--aiec-calendar-primary);
	outline: none;
}

/* Content Area */
.aiec-calendar__content {
	position: relative;
	min-height: 300px;
}

/* Month View */
.aiec-calendar__month-view {
	display: none;
	padding: 20px;
	background: #fff;
}

.aiec-calendar__month-view.aiec-calendar__view--active {
	display: block;
}

.aiec-calendar__weekdays {
	display: grid;
	grid-template-columns: repeat(7, minmax(0, 1fr));
	gap: 1px;
	background: var(--aiec-calendar-border);
	border-radius: 8px 8px 0 0;
	overflow: hidden;
}

.aiec-calendar__weekdays span {
	padding: 12px 8px;
	text-align: center;
	font-size: 11px;
	font-weight: 700;
	color: var(--aiec-calendar-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	background: #f8fafc;
}

.aiec-calendar__days {
	display: grid;
	grid-template-columns: repeat(7, minmax(0, 1fr));
	gap: 1px;
	background: var(--aiec-calendar-border);
	border-radius: 0 0 8px 8px;
	overflow: hidden;
}

.aiec-calendar__day {
	position: relative;
	min-height: 100px;
	padding: 8px;
	background: #fff;
	cursor: default;
	transition: all 0.2s ease;
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

.aiec-calendar__day--other-month {
	background: #fafafa;
}

.aiec-calendar__day--other-month .aiec-calendar__day-number {
	color: #ccc;
}

.aiec-calendar__day--today {
	background: linear-gradient(135deg, rgba(34, 113, 177, 0.05), rgba(19, 94, 150, 0.08));
}

.aiec-calendar__day--today .aiec-calendar__day-number {
	background: var(--aiec-calendar-primary);
	color: white;
}

.aiec-calendar__day--has-events {
	cursor: pointer;
}

.aiec-calendar__day--has-events:hover {
	background: #f0f7ff;
}

.aiec-calendar__day-number {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	font-size: 13px;
	font-weight: 500;
	color: var(--aiec-calendar-text);
	border-radius: 50%;
	margin-bottom: 6px;
	flex-shrink: 0;
}

.aiec-calendar__day-events {
	display: flex;
	flex-direction: column;
	gap: 3px;
	overflow: hidden;
	flex: 1;
}

.aiec-calendar__day-event {
	font-size: 11px;
	line-height: 1.3;
	padding: 4px 6px;
	background: var(--aiec-calendar-primary);
	color: white;
	border-radius: 4px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	font-weight: 500;
}

.aiec-calendar__day-event:nth-child(2) {
	background: var(--aiec-calendar-accent);
}

.aiec-calendar__day-event:nth-child(3) {
	background: #6366f1;
}

.aiec-calendar__day-more {
	font-size: 11px;
	color: var(--aiec-calendar-text-muted);
	font-weight: 500;
	margin-top: 2px;
	padding: 2px 4px;
}

/* List View */
.aiec-calendar__list-view {
	display: none;
	padding: 16px 20px;
}

.aiec-calendar__list-view.aiec-calendar__view--active {
	display: block;
}

.aiec-calendar__list {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.aiec-calendar__list-date {
	font-size: 12px;
	font-weight: 600;
	color: var(--aiec-calendar-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	padding: 8px 0;
	border-bottom: 1px solid var(--aiec-calendar-border);
	margin-top: 8px;
}

.aiec-calendar__list-date:first-child {
	margin-top: 0;
}

.aiec-calendar__list-item {
	display: flex;
	gap: 16px;
	padding: 16px;
	background: #f8fafc;
	border-radius: 10px;
	cursor: pointer;
	transition: all 0.2s ease;
	text-decoration: none;
	color: inherit;
}

.aiec-calendar__list-item:hover {
	background: #f1f5f9;
	transform: translateX(4px);
	box-shadow: var(--aiec-calendar-shadow);
}

.aiec-calendar__list-time {
	flex-shrink: 0;
	width: 70px;
	text-align: center;
}

.aiec-calendar__list-time-start {
	display: block;
	font-size: 16px;
	font-weight: 600;
	color: var(--aiec-calendar-primary);
}

.aiec-calendar__list-time-suffix {
	font-size: 11px;
	color: var(--aiec-calendar-text-muted);
}

.aiec-calendar__list-info {
	flex: 1;
	min-width: 0;
}

.aiec-calendar__list-title {
	font-size: 16px;
	font-weight: 600;
	color: var(--aiec-calendar-text);
	margin: 0 0 4px 0;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.aiec-calendar__list-location {
	font-size: 13px;
	color: var(--aiec-calendar-text-muted);
	display: flex;
	align-items: center;
	gap: 4px;
}

.aiec-calendar__list-location svg {
	flex-shrink: 0;
	opacity: 0.6;
}

.aiec-calendar__list-category {
	display: inline-block;
	margin-top: 6px;
	padding: 2px 8px;
	font-size: 11px;
	font-weight: 500;
	background: var(--aiec-calendar-primary);
	color: white;
	border-radius: 4px;
}

/* Grid View */
.aiec-calendar__grid-view {
	display: none;
	padding: 16px 20px;
}

.aiec-calendar__grid-view.aiec-calendar__view--active {
	display: block;
}

.aiec-calendar__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 20px;
}

.aiec-calendar__grid-item {
	background: white;
	border-radius: 12px;
	overflow: hidden;
	box-shadow: var(--aiec-calendar-shadow);
	cursor: pointer;
	transition: all 0.3s ease;
	text-decoration: none;
	color: inherit;
}

.aiec-calendar__grid-item:hover {
	transform: translateY(-4px);
	box-shadow: var(--aiec-calendar-shadow-lg);
}

.aiec-calendar__grid-image {
	position: relative;
	aspect-ratio: 16/9;
	background: linear-gradient(135deg, var(--aiec-calendar-primary), var(--aiec-calendar-accent));
	overflow: hidden;
}

.aiec-calendar__grid-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s ease;
}

.aiec-calendar__grid-item:hover .aiec-calendar__grid-image img {
	transform: scale(1.05);
}

.aiec-calendar__grid-placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	color: rgba(255, 255, 255, 0.5);
}

.aiec-calendar__grid-date-badge {
	position: absolute;
	top: 12px;
	left: 12px;
	padding: 6px 10px;
	background: white;
	border-radius: 6px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
	text-align: center;
	line-height: 1.2;
}

.aiec-calendar__grid-date-day {
	display: block;
	font-size: 18px;
	font-weight: 700;
	color: var(--aiec-calendar-primary);
}

.aiec-calendar__grid-date-month {
	display: block;
	font-size: 10px;
	font-weight: 500;
	color: var(--aiec-calendar-text-muted);
	text-transform: uppercase;
}

.aiec-calendar__grid-body {
	padding: 16px;
}

.aiec-calendar__grid-title {
	font-size: 16px;
	font-weight: 600;
	color: var(--aiec-calendar-text);
	margin: 0 0 8px 0;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.aiec-calendar__grid-meta {
	display: flex;
	flex-direction: column;
	gap: 4px;
	font-size: 13px;
	color: var(--aiec-calendar-text-muted);
}

.aiec-calendar__grid-meta-item {
	display: flex;
	align-items: center;
	gap: 6px;
}

.aiec-calendar__grid-meta-item svg {
	flex-shrink: 0;
	opacity: 0.6;
}

/* Status Badges */
.aiec-calendar__status {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 4px 8px;
	font-size: 11px;
	font-weight: 600;
	border-radius: 4px;
	text-transform: uppercase;
}

.aiec-calendar__status--cancelled {
	background: #fee2e2;
	color: #dc2626;
}

.aiec-calendar__status--postponed {
	background: #fef3c7;
	color: #d97706;
}

.aiec-calendar__status--rescheduled {
	background: #dbeafe;
	color: #2563eb;
}

/* Loading State */
.aiec-calendar__loading {
	position: absolute;
	inset: 0;
	display: none;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	gap: 12px;
	background: rgba(255, 255, 255, 0.9);
	z-index: 10;
}

.aiec-calendar.is-loading .aiec-calendar__loading {
	display: flex;
}

.aiec-calendar__spinner {
	width: 40px;
	height: 40px;
	border: 3px solid var(--aiec-calendar-border);
	border-top-color: var(--aiec-calendar-primary);
	border-radius: 50%;
	animation: aiec-spin 0.8s linear infinite;
}

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

/* Empty State */
.aiec-calendar__empty {
	display: none;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 48px 24px;
	text-align: center;
	color: var(--aiec-calendar-text-muted);
}

.aiec-calendar.is-empty .aiec-calendar__empty {
	display: flex;
}

.aiec-calendar.is-empty .aiec-calendar__days,
.aiec-calendar.is-empty .aiec-calendar__list,
.aiec-calendar.is-empty .aiec-calendar__grid {
	display: none;
}

.aiec-calendar__empty svg {
	margin-bottom: 12px;
	color: var(--aiec-calendar-border);
}

.aiec-calendar__empty p {
	margin: 0;
	font-size: 15px;
}

/* Popup */
.aiec-calendar__popup {
	position: fixed;
	inset: 0;
	z-index: 100000;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
}

.aiec-calendar__popup-overlay {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.5);
	backdrop-filter: blur(4px);
}

.aiec-calendar__popup-content {
	position: relative;
	width: 100%;
	max-width: 500px;
	max-height: 80vh;
	background: white;
	border-radius: 16px;
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
	overflow: hidden;
	animation: aiec-popup-in 0.3s ease;
}

@keyframes aiec-popup-in {
	from {
		opacity: 0;
		transform: scale(0.95) translateY(10px);
	}
	to {
		opacity: 1;
		transform: scale(1) translateY(0);
	}
}

.aiec-calendar__popup-close {
	position: absolute;
	top: 12px;
	right: 12px;
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	border: none;
	background: rgba(0, 0, 0, 0.05);
	border-radius: 8px;
	cursor: pointer;
	color: var(--aiec-calendar-text-muted);
	transition: all 0.2s ease;
	z-index: 10;
}

.aiec-calendar__popup-close:hover {
	background: rgba(0, 0, 0, 0.1);
	color: var(--aiec-calendar-text);
}

.aiec-calendar__popup-body {
	overflow-y: auto;
	max-height: 80vh;
}

.aiec-calendar__popup-image {
	width: 100%;
	aspect-ratio: 16/9;
	object-fit: cover;
	background: linear-gradient(135deg, var(--aiec-calendar-primary), var(--aiec-calendar-accent));
}

.aiec-calendar__popup-info {
	padding: 24px;
}

.aiec-calendar__popup-title {
	font-size: 22px;
	font-weight: 700;
	color: var(--aiec-calendar-text);
	margin: 0 0 12px 0;
}

.aiec-calendar__popup-meta {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin-bottom: 16px;
}

.aiec-calendar__popup-meta-item {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 14px;
	color: var(--aiec-calendar-text-muted);
}

.aiec-calendar__popup-meta-item svg {
	color: var(--aiec-calendar-primary);
}

.aiec-calendar__popup-excerpt {
	font-size: 14px;
	line-height: 1.6;
	color: var(--aiec-calendar-text);
	margin-bottom: 20px;
}

.aiec-calendar__popup-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 12px 20px;
	background: var(--aiec-calendar-primary);
	color: white;
	font-size: 14px;
	font-weight: 600;
	text-decoration: none;
	border-radius: 8px;
	transition: all 0.2s ease;
}

.aiec-calendar__popup-link:hover {
	background: var(--aiec-calendar-accent);
	transform: translateY(-1px);
}

/* Day Popup (list of events for a day) */
.aiec-calendar__day-popup {
	padding: 24px;
}

.aiec-calendar__day-popup-title {
	font-size: 18px;
	font-weight: 600;
	color: var(--aiec-calendar-text);
	margin: 0 0 16px 0;
	padding-bottom: 12px;
	border-bottom: 1px solid var(--aiec-calendar-border);
}

.aiec-calendar__day-popup-list {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.aiec-calendar__day-popup-item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px;
	background: #f8fafc;
	border-radius: 8px;
	cursor: pointer;
	transition: all 0.2s ease;
	text-decoration: none;
	color: inherit;
}

.aiec-calendar__day-popup-item:hover {
	background: #f1f5f9;
	transform: translateX(4px);
}

.aiec-calendar__day-popup-time {
	font-size: 14px;
	font-weight: 600;
	color: var(--aiec-calendar-primary);
	flex-shrink: 0;
	width: 60px;
}

.aiec-calendar__day-popup-info {
	flex: 1;
	min-width: 0;
}

.aiec-calendar__day-popup-name {
	font-size: 14px;
	font-weight: 500;
	color: var(--aiec-calendar-text);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.aiec-calendar__day-popup-location {
	font-size: 12px;
	color: var(--aiec-calendar-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
	.aiec-calendar__header {
		flex-direction: column;
		align-items: stretch;
		gap: 12px;
	}

	.aiec-calendar__views {
		justify-content: center;
	}

	.aiec-calendar__nav {
		justify-content: center;
	}

	.aiec-calendar__view-btn span {
		display: none;
	}

	.aiec-calendar__view-btn {
		padding: 10px 14px;
	}

	.aiec-calendar__month-view {
		padding: 12px;
	}

	.aiec-calendar__day {
		min-height: 70px;
		padding: 4px;
	}

	.aiec-calendar__day-number {
		width: 24px;
		height: 24px;
		font-size: 11px;
		margin-bottom: 4px;
	}

	.aiec-calendar__day-events {
		display: none;
	}

	.aiec-calendar__day--has-events::after {
		content: '';
		position: absolute;
		bottom: 8px;
		left: 50%;
		transform: translateX(-50%);
		width: 6px;
		height: 6px;
		background: var(--aiec-calendar-primary);
		border-radius: 50%;
	}

	.aiec-calendar__list-item {
		padding: 12px;
	}

	.aiec-calendar__list-time {
		width: 55px;
	}

	.aiec-calendar__grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 480px) {
	.aiec-calendar__month-label {
		font-size: 16px;
		min-width: 130px;
	}

	.aiec-calendar__popup-content {
		max-height: 90vh;
		border-radius: 12px 12px 0 0;
		position: absolute;
		bottom: 0;
		left: 0;
		right: 0;
	}

	.aiec-calendar__popup {
		padding: 0;
		align-items: flex-end;
	}
}

/* Animations */
.aiec-calendar__view--active {
	animation: aiec-fade-in 0.3s ease;
}

@keyframes aiec-fade-in {
	from { opacity: 0; transform: translateY(10px); }
	to { opacity: 1; transform: translateY(0); }
}

/* Print Styles */
@media print {
	.aiec-calendar__header,
	.aiec-calendar__filter,
	.aiec-calendar__popup {
		display: none !important;
	}

	.aiec-calendar {
		box-shadow: none;
		border: 1px solid #ddd;
	}
}