/**
 * TM Event Calendar - component styles (BEM).
 *
 * Depends on design-system.css, variables.css and layout.css. Selector
 * names are unchanged from the previous version so existing JS keeps
 * working without modification; only visual treatment is redesigned.
 */

.tmec-calendar .screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	margin: -1px;
	padding: 0;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* ---------------------------------------------------------------------- */
/* Month Header                                                          */
/* ---------------------------------------------------------------------- */

.tmec-calendar__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--tec-space-4);
	margin-bottom: var(--tec-space-6);
}

.tmec-calendar__title-group {
	display: flex;
	flex-direction: column;
	gap: var(--tec-space-1);
}

.tmec-calendar__title {
	margin: 0;
	font-size: var(--tec-font-size-2xl);
	font-weight: var(--tec-font-weight-bold);
	letter-spacing: -0.02em;
	color: var(--tec-text);
}

.tmec-calendar__current-month {
	margin: 0;
	font-size: var(--tec-font-size-sm);
	font-weight: var(--tec-font-weight-semibold);
	color: var(--tec-muted);
}

.tmec-calendar__month-title {
	margin: 0 0 var(--tec-space-5);
	font-size: var(--tec-font-size-xl);
	font-weight: var(--tec-font-weight-bold);
	letter-spacing: -0.01em;
	color: var(--tec-text);
	text-align: center;
}

.tmec-calendar__controls {
	display: flex;
	align-items: center;
	gap: var(--tec-space-3);
}

/* ---------------------------------------------------------------------- */
/* Navigation                                                            */
/* ---------------------------------------------------------------------- */

.tmec-calendar__nav {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--tec-space-2);
	min-width: 2.75rem;
	height: 2.75rem;
	padding: 0 var(--tec-space-5);
	border: 1px solid var(--tec-border-strong);
	border-radius: var(--tec-radius-pill);
	background: var(--tec-bg);
	color: var(--tec-text);
	font-size: var(--tec-font-size-sm);
	font-weight: var(--tec-font-weight-semibold);
	line-height: 1;
	cursor: pointer;
	box-shadow: var(--tec-shadow-xs);
	transition: background-color var(--tec-transition-fast), border-color var(--tec-transition-fast), color var(--tec-transition-fast), transform var(--tec-transition-fast), box-shadow var(--tec-transition-fast);
}

.tmec-calendar__nav-icon {
	display: inline-block;
	width: 0.5rem;
	height: 0.5rem;
	border-right: 2px solid currentColor;
	border-bottom: 2px solid currentColor;
}

.tmec-calendar__nav--prev .tmec-calendar__nav-icon {
	transform: rotate(135deg);
}

.tmec-calendar__nav--next .tmec-calendar__nav-icon {
	transform: rotate(-45deg);
}

.tmec-calendar__nav:hover,
.tmec-calendar__nav:focus-visible {
	background: var(--tec-primary);
	border-color: var(--tec-primary);
	color: var(--tec-on-primary);
	box-shadow: var(--tec-shadow-sm);
	transform: translateY(-1px);
}

.tmec-calendar__nav:active {
	transform: translateY(0) scale(0.97);
}

.tmec-calendar__nav:focus-visible {
	outline: none;
	box-shadow: var(--tec-shadow-focus);
}

.tmec-calendar__nav:disabled {
	opacity: 0.4;
	cursor: not-allowed;
	background: var(--tec-bg);
	border-color: var(--tec-border-strong);
	color: var(--tec-text);
	box-shadow: none;
	transform: none;
}

/* ---------------------------------------------------------------------- */
/* Week Header                                                          */
/* ---------------------------------------------------------------------- */

.tmec-calendar__weekdays {
	margin-bottom: var(--tec-space-3);
}

.tmec-calendar__weekday {
	padding: var(--tec-space-2) var(--tec-space-1);
	text-align: center;
	font-size: var(--tec-font-size-xs);
	font-weight: var(--tec-font-weight-bold);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--tec-muted);
}

.tmec-calendar__weekday--weekend {
	color: var(--tec-primary);
}

/* ---------------------------------------------------------------------- */
/* Date Cell                                                             */
/* ---------------------------------------------------------------------- */

.tmec-calendar__day {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--tec-space-1);
	min-height: var(--tmec-day-min-height);
	padding: var(--tec-space-2);
	background: var(--tec-bg);
	transition: background-color var(--tec-transition-fast);
}

.tmec-calendar__day:hover {
	background: var(--tec-bg-subtle);
}

.tmec-calendar__day-number {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 1.85rem;
	height: 1.85rem;
	padding: 0 var(--tec-space-1);
	border-radius: var(--tec-radius-pill);
	font-size: var(--tec-font-size-sm);
	font-weight: var(--tec-font-weight-semibold);
	color: var(--tec-text);
	transition: background-color var(--tec-transition-fast), color var(--tec-transition-fast);
}

/* Empty Days (padding days belonging to adjacent months) */
.tmec-calendar__day--other-month {
	background: var(--tec-bg-subtle);
}

.tmec-calendar__day--other-month .tmec-calendar__day-number {
	color: var(--tec-subtle);
}

.tmec-calendar__day--other-month:hover {
	background: var(--tec-bg-muted);
}

/* Weekend Style */
.tmec-calendar__day--weekend {
	background: var(--tec-bg-subtle);
}

/* Today Highlight */
.tmec-calendar__day--today {
	background: var(--tec-primary-soft);
}

.tmec-calendar__day--today .tmec-calendar__day-number {
	background: var(--tec-primary);
	color: var(--tec-on-primary);
	box-shadow: var(--tec-shadow-xs);
}

.tmec-calendar__day--today::before {
	content: "";
	position: absolute;
	inset: 0;
	border: 2px solid var(--tec-primary);
	opacity: 0.35;
	pointer-events: none;
}

/* ---------------------------------------------------------------------- */
/* Event Badges                                                         */
/* ---------------------------------------------------------------------- */

.tmec-calendar__events {
	list-style: none;
	margin: 0;
	padding: 0;
	width: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--tec-space-1);
}

.tmec-calendar__event {
	width: 100%;
	max-width: 100%;
	line-height: 1.2;
}

.tmec-calendar__event-badge {
	display: block;
	width: 100%;
	padding: 0.2rem 0.5rem;
	border-radius: var(--tec-radius-sm);
	font-size: var(--tec-font-size-xs);
	font-weight: var(--tec-font-weight-semibold);
	text-align: center;
	text-decoration: none;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	transition: transform var(--tec-transition-fast), box-shadow var(--tec-transition-fast), filter var(--tec-transition-fast);
}

.tmec-calendar__event-badge:hover,
.tmec-calendar__event-badge:focus-visible {
	transform: translateY(-1px);
	filter: brightness(0.97);
}

.tmec-calendar__event-badge:focus-visible {
	outline: none;
	box-shadow: var(--tec-shadow-focus);
}

.tmec-calendar__event-badge--1 { background: var(--tec-category-1-soft); color: var(--tec-category-1); }
.tmec-calendar__event-badge--2 { background: var(--tec-category-2-soft); color: var(--tec-category-2); }
.tmec-calendar__event-badge--3 { background: var(--tec-category-3-soft); color: var(--tec-category-3); }
.tmec-calendar__event-badge--4 { background: var(--tec-category-4-soft); color: var(--tec-category-4); }
.tmec-calendar__event-badge--5 { background: var(--tec-category-5-soft); color: var(--tec-category-5); }
.tmec-calendar__event-badge--6 { background: var(--tec-category-6-soft); color: var(--tec-category-6); }

.tmec-calendar__more {
	margin-top: var(--tec-space-1);
	font-size: var(--tec-font-size-xs);
	font-weight: var(--tec-font-weight-bold);
	color: var(--tec-muted);
}

/* ---------------------------------------------------------------------- */
/* Loading State                                                         */
/* ---------------------------------------------------------------------- */

.tmec-calendar--is-loading .tmec-calendar__grid {
	position: relative;
	pointer-events: none;
	user-select: none;
}

.tmec-calendar--is-loading .tmec-calendar__grid::after {
	content: "";
	position: absolute;
	inset: 0;
	background: rgba(255, 255, 255, 0.6);
	border-radius: var(--tec-radius-md);
	z-index: 1;
}

.tmec-calendar__spinner {
	display: none;
	position: absolute;
	top: 50%;
	left: 50%;
	width: 2rem;
	height: 2rem;
	margin: -1rem 0 0 -1rem;
	border: 3px solid var(--tec-border);
	border-top-color: var(--tec-primary);
	border-radius: 50%;
	z-index: 2;
	animation: tmec-spin 0.7s linear infinite;
}

.tmec-calendar--is-loading .tmec-calendar__spinner {
	display: block;
}

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

@media (prefers-reduced-motion: reduce) {
	.tmec-calendar__spinner {
		animation-duration: 1.4s;
	}
}

/* ---------------------------------------------------------------------- */
/* Responsive adjustments                                                */
/* ---------------------------------------------------------------------- */

@media (max-width: 900px) {
	.tmec-calendar__title {
		font-size: var(--tec-font-size-xl);
	}
}

@media (max-width: 600px) {
	.tmec-calendar__header {
		flex-wrap: wrap;
	}

	.tmec-calendar__nav {
		flex: 1;
		padding: 0 var(--tec-space-3);
	}

	.tmec-calendar__weekday {
		font-size: 0.65rem;
	}

	.tmec-calendar__day {
		padding: var(--tec-space-1);
	}

	.tmec-calendar__day-number {
		min-width: 1.5rem;
		height: 1.5rem;
		font-size: var(--tec-font-size-xs);
	}

	.tmec-calendar__event-badge {
		font-size: 0.65rem;
		padding: 0.15rem 0.35rem;
	}
}