/*
 * Our Special Calendar – Public CSS v2.0
 * Multilingual edition: English · 日本語 · 한국어 · 中文
 *
 * Aesthetic: Refined restaurant-menu elegance.
 * Primary font pairing: Playfair Display (headings) + Noto Sans (body).
 * Noto Sans covers CJK characters perfectly for all 4 languages.
 */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Noto+Sans+JP:wght@400;700&family=Noto+Sans+KR:wght@400;700&family=Noto+Sans+SC:wght@400;700&family=Noto+Sans:wght@400;700&display=swap');

/* ── CSS Variables ───────────────────────────────────────────────────────────── */
.osc-calendar-wrapper {
	--osc-open:        #4caf50;
	--osc-holiday:     #f44336;
	--osc-event:       #2196f3;
	--osc-custom:      #ff9800;
	--osc-green:       #2d8c4e;
	--osc-green-lt:    #edf7f0;
	--osc-green-dk:    #1a5c32;
	--osc-border:      #2d8c4e;
	--osc-bg:          #ffffff;
	--osc-today-bg:    #fff8e1;
	--osc-today-ring:  #ffc107;
	--osc-text:        #1a2e22;
	--osc-text-light:  #5a7565;
	--osc-shadow:      0 4px 28px rgba(45,140,78,.13);
	--osc-radius:      14px;
	--osc-cell-bg:     transparent;
	--osc-transition:  all .22s cubic-bezier(.4,0,.2,1);

	/* Font stack: Noto Sans covers all 4 languages beautifully */
	font-family: 'Noto Sans', 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans SC',
	             'Hiragino Sans', 'Malgun Gothic', 'PingFang SC',
	             -apple-system, sans-serif;
	max-width: 740px;
	margin: 0 auto;
	color: var(--osc-text);
}

/* ── Language-specific font adjustments ─────────────────────────────────────── */
.osc-calendar-wrapper[lang="ja"] { font-family: 'Noto Sans JP', sans-serif; }
.osc-calendar-wrapper[lang="ko"] { font-family: 'Noto Sans KR', sans-serif; }
.osc-calendar-wrapper[lang="zh"] { font-family: 'Noto Sans SC', sans-serif; }

/* ══════════════════════════════════════════════════════════════════════════════
   LANGUAGE SWITCHER
   ══════════════════════════════════════════════════════════════════════════════ */

.osc-lang-bar {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 10px;
	margin-bottom: 14px;
	flex-wrap: wrap;
}

.osc-lang-label {
	font-size: 11px;
	font-weight: 700;
	color: var(--osc-text-light);
	text-transform: uppercase;
	letter-spacing: .8px;
}

.osc-lang-pills {
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
}

.osc-lang-pill {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 5px 12px;
	border: 1.5px solid var(--osc-border);
	border-radius: 30px;
	background: transparent;
	color: var(--osc-green-dk);
	font-size: 12px;
	font-weight: 600;
	cursor: pointer;
	transition: var(--osc-transition);
	white-space: nowrap;
	line-height: 1.3;
	font-family: inherit;
}

.osc-lang-pill:hover {
	background: var(--osc-green-lt);
	border-color: var(--osc-green-dk);
	transform: translateY(-1px);
	box-shadow: 0 3px 10px rgba(45,140,78,.18);
}

.osc-lang-pill:focus-visible {
	outline: 3px solid var(--osc-green);
	outline-offset: 2px;
}

/* Active / selected language pill */
.osc-lang-pill.osc-lang-active {
	background: var(--osc-green);
	border-color: var(--osc-green-dk);
	color: #fff;
	box-shadow: 0 2px 10px rgba(45,140,78,.35);
}

.osc-lang-pill.osc-lang-active:hover {
	background: var(--osc-green-dk);
	transform: none;
}

.osc-lang-flag {
	font-size: 15px;
	line-height: 1;
}

.osc-lang-name {
	font-size: 12px;
}

/* Loading state: pill shimmers while AJAX loads */
.osc-calendar-wrapper.osc-loading .osc-lang-pill {
	pointer-events: none;
	opacity: .6;
}

/* ══════════════════════════════════════════════════════════════════════════════
   TITLE
   ══════════════════════════════════════════════════════════════════════════════ */

.osc-cal-title {
	font-family: 'Playfair Display', 'Noto Serif JP', Georgia, serif;
	font-size: clamp(20px, 4vw, 30px);
	font-weight: 700;
	color: var(--osc-green-dk);
	text-align: center;
	margin: 0 0 18px;
	letter-spacing: .3px;
	line-height: 1.3;
}

.osc-cal-title::after {
	content: '';
	display: block;
	width: 56px;
	height: 3px;
	background: linear-gradient(90deg, var(--osc-green), #81c784);
	border-radius: 2px;
	margin: 8px auto 0;
}

/* CJK titles look better without the serif */
[lang="ja"] .osc-cal-title,
[lang="ko"] .osc-cal-title,
[lang="zh"] .osc-cal-title {
	font-family: 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans SC', sans-serif;
	letter-spacing: .5px;
}

/* ══════════════════════════════════════════════════════════════════════════════
   MONTH NAVIGATION
   ══════════════════════════════════════════════════════════════════════════════ */

.osc-nav-bar {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 20px;
	margin-bottom: 18px;
}

.osc-nav-btn {
	background: #fff;
	border: 2px solid var(--osc-border);
	color: var(--osc-green);
	width: 42px;
	height: 42px;
	border-radius: 50%;
	font-size: 22px;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: var(--osc-transition);
	flex-shrink: 0;
}

.osc-nav-btn:hover {
	background: var(--osc-green-lt);
	transform: scale(1.1);
}

.osc-nav-btn:focus-visible {
	outline: 3px solid var(--osc-green);
	outline-offset: 2px;
}

.osc-nav-label {
	font-family: 'Playfair Display', serif;
	font-size: clamp(16px, 3vw, 22px);
	font-weight: 700;
	color: var(--osc-green-dk);
	min-width: 190px;
	text-align: center;
	transition: var(--osc-transition);
}

[lang="ja"] .osc-nav-label,
[lang="ko"] .osc-nav-label,
[lang="zh"] .osc-nav-label {
	font-family: 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans SC', sans-serif;
	font-size: clamp(15px, 2.8vw, 20px);
}

/* ══════════════════════════════════════════════════════════════════════════════
   CALENDAR TABLE
   ══════════════════════════════════════════════════════════════════════════════ */

.osc-table-wrapper {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
	border-radius: var(--osc-radius);
	box-shadow: var(--osc-shadow);
	border: 2.5px solid var(--osc-border);
	transition: opacity .2s;
}

.osc-calendar-table {
	width: 100%;
	border-collapse: collapse;
	background: var(--osc-bg);
	table-layout: fixed;
}

/* Header row */
.osc-calendar-table thead th {
	background: linear-gradient(135deg, var(--osc-green-dk) 0%, var(--osc-green) 100%);
	color: #fff;
	font-size: 11px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: .8px;
	padding: 13px 4px;
	text-align: center;
	border: none;
}

/* CJK day names: no uppercase, slightly larger */
[lang="ja"] .osc-calendar-table thead th,
[lang="ko"] .osc-calendar-table thead th,
[lang="zh"] .osc-calendar-table thead th {
	font-size: 13px;
	letter-spacing: 0;
	text-transform: none;
}

.osc-calendar-table thead th:first-child { border-radius: calc(var(--osc-radius) - 2px) 0 0 0; }
.osc-calendar-table thead th:last-child  { border-radius: 0 calc(var(--osc-radius) - 2px) 0 0; }

/* Body cells */
.osc-calendar-table td {
	border: 1px solid #ddeee4;
	padding: 0;
	vertical-align: top;
	height: 70px;
	position: relative;
	transition: transform .18s cubic-bezier(.4,0,.2,1),
	            box-shadow .18s cubic-bezier(.4,0,.2,1);
}

.osc-td-empty { background: #f7faf8; }

/* Typed day cells */
.osc-td-day                 { background-color: var(--osc-cell-bg, transparent); cursor: default; }
.osc-td-day.osc-type-open   { --osc-cell-bg: var(--osc-open); }
.osc-td-day.osc-type-holiday{ --osc-cell-bg: var(--osc-holiday); }
.osc-td-day.osc-type-event  { --osc-cell-bg: var(--osc-event); }
.osc-td-day.osc-type-custom { --osc-cell-bg: var(--osc-custom); }

/* White text on coloured cells */
.osc-td-day.osc-type-open .osc-day-num,
.osc-td-day.osc-type-holiday .osc-day-num,
.osc-td-day.osc-type-event .osc-day-num,
.osc-td-day.osc-type-custom .osc-day-num {
	color: #fff;
	text-shadow: 0 1px 3px rgba(0,0,0,.28);
}

.osc-td-day.osc-type-open .osc-day-label,
.osc-td-day.osc-type-holiday .osc-day-label,
.osc-td-day.osc-type-event .osc-day-label,
.osc-td-day.osc-type-custom .osc-day-label {
	color: rgba(255,255,255,.9);
}

/* Today highlight */
.osc-td-day.osc-today {
	background-color: var(--osc-today-bg);
	box-shadow: inset 0 0 0 2.5px var(--osc-today-ring);
}

.osc-td-day.osc-today:not([class*="osc-type-"]) .osc-day-num { color: #b8860b; }

.osc-td-day.osc-today.osc-type-open,
.osc-td-day.osc-today.osc-type-holiday,
.osc-td-day.osc-today.osc-type-event,
.osc-td-day.osc-today.osc-type-custom {
	box-shadow: inset 0 0 0 2.5px #fff, inset 0 0 0 4px var(--osc-today-ring);
}

/* Hover effect */
.osc-td-day:hover {
	transform: scale(1.06);
	box-shadow: 0 8px 22px rgba(0,0,0,.15);
	z-index: 5;
}

.osc-td-day:not([class*="osc-type-"]):hover { background: var(--osc-green-lt); }

/* Cell interior */
.osc-cell-inner {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: flex-start;
	padding: 7px 8px;
	height: 100%;
	min-height: 70px;
	box-sizing: border-box;
}

.osc-day-num {
	font-size: 17px;
	font-weight: 700;
	color: var(--osc-text);
	line-height: 1;
}

.osc-day-label {
	font-size: 9px;
	font-weight: 700;
	color: var(--osc-text-light);
	margin-top: 4px;
	text-transform: uppercase;
	letter-spacing: .4px;
	line-height: 1.3;
	overflow: hidden;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}

/* CJK labels: no uppercase */
[lang="ja"] .osc-day-label,
[lang="ko"] .osc-day-label,
[lang="zh"] .osc-day-label {
	text-transform: none;
	font-size: 10px;
	letter-spacing: 0;
}

/* ── Tooltip ─────────────────────────────────────────────────────────────────── */
.osc-tooltip {
	display: none;
	position: absolute;
	bottom: calc(100% + 8px);
	left: 50%;
	transform: translateX(-50%);
	background: rgba(26, 46, 34, .95);
	color: #fff;
	padding: 7px 13px;
	border-radius: 7px;
	font-size: 12px;
	font-weight: 600;
	z-index: 100;
	pointer-events: none;
	max-width: 160px;
	white-space: normal;
	text-align: center;
	backdrop-filter: blur(4px);
	box-shadow: 0 4px 14px rgba(0,0,0,.22);
}

.osc-tooltip::after {
	content: '';
	position: absolute;
	top: 100%;
	left: 50%;
	transform: translateX(-50%);
	border: 6px solid transparent;
	border-top-color: rgba(26,46,34,.95);
}

.osc-td-day[data-label]:not([data-label=""]):hover .osc-tooltip {
	display: block;
	animation: osc-tip-in .14s ease-out;
}

@keyframes osc-tip-in {
	from { opacity: 0; transform: translateX(-50%) translateY(5px); }
	to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ══════════════════════════════════════════════════════════════════════════════
   LEGEND
   ══════════════════════════════════════════════════════════════════════════════ */

.osc-legend {
	display: flex;
	flex-wrap: wrap;
	gap: 10px 20px;
	justify-content: center;
	margin-top: 16px;
	padding: 12px 18px;
	background: var(--osc-green-lt);
	border-radius: 10px;
	border: 1px solid #c8e6c9;
}

.osc-legend-item {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-size: 12px;
	font-weight: 700;
	color: var(--osc-text-light);
	text-transform: uppercase;
	letter-spacing: .5px;
}

[lang="ja"] .osc-legend-item,
[lang="ko"] .osc-legend-item,
[lang="zh"] .osc-legend-item {
	text-transform: none;
	letter-spacing: 0;
}

.osc-legend-dot {
	width: 14px;
	height: 14px;
	border-radius: 4px;
	flex-shrink: 0;
	box-shadow: 0 1px 4px rgba(0,0,0,.15);
}

/* ══════════════════════════════════════════════════════════════════════════════
   LOADING STATE
   ══════════════════════════════════════════════════════════════════════════════ */

.osc-calendar-wrapper.osc-loading {
	pointer-events: none;
}

.osc-calendar-wrapper.osc-loading .osc-table-wrapper {
	opacity: .4;
}

.osc-calendar-wrapper.osc-loading .osc-nav-label::after {
	content: ' ···';
	animation: osc-dots .8s steps(3,end) infinite;
}

@keyframes osc-dots {
	0%   { content: ' ·'; }
	33%  { content: ' ··'; }
	66%  { content: ' ···'; }
	100% { content: ' ·'; }
}

/* Language pill loading animation */
.osc-lang-pill.osc-lang-switching {
	animation: osc-pulse .5s ease-in-out infinite alternate;
}

@keyframes osc-pulse {
	from { opacity: .7; }
	to   { opacity: 1; }
}

/* ══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 600px) {
	.osc-lang-bar { justify-content: center; }
	.osc-lang-name { display: none; }   /* Show flag only on small screens */
	.osc-lang-pill { padding: 5px 9px; }
	.osc-lang-flag { font-size: 18px; }

	.osc-calendar-table thead th {
		font-size: 10px;
		padding: 10px 2px;
		letter-spacing: .3px;
	}

	.osc-calendar-table td {
		height: 54px;
	}

	.osc-cell-inner {
		min-height: 54px;
		padding: 4px 5px;
	}

	.osc-day-num  { font-size: 14px; }
	.osc-day-label { display: none; }

	.osc-nav-label { min-width: 150px; font-size: 15px; }
	.osc-nav-btn   { width: 36px; height: 36px; font-size: 18px; }
}

@media (max-width: 400px) {
	.osc-calendar-table td { height: 44px; }
	.osc-cell-inner { min-height: 44px; }
	.osc-day-num { font-size: 12px; }
}