/* CSS 變數定義 */
:root {
	--color-primary-text: #922131; /* 主要文字色：R:146, G:33, B:49 */
	--color-menu-level1: #922131;  /* 選單第一層色 */
	--color-menu-level2: #B15258;  /* 選單第二層色：R:177, G:82, B:88 */
	--color-menu-level3: #C48114;  /* 選單第三層色：R:196, G:129, B:20 */
	--color-float-btn: #B15258;    /* 浮動按鈕色 (與選單第二層色相同，保持協調) */
	--color-age-gradient-start: #ba7a1c; /* 年齡遮罩漸層起始色 */
	--color-age-gradient-end: #d4a04d;   /* 年齡遮罩漸層結束色 */

	/* 固定元素高度定義 */
	--marquee-height: 35px;
	--header-top-height: 80px;
	--desktop-nav-height: 50px;
}

/* 年齡驗證遮罩 */
#age-verification-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.9); /* 深色背景 */
	/* 背景圖片設定 */
	background-image: url('../images/test/drinks-3874920_1280.jpg'); /* 替換為您的背景圖 */
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	
	z-index: 20000; /* 最高層級 */
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
	text-align: center;
	opacity: 0;
	visibility: hidden;
	pointer-events: none; /* 隱藏時禁用互動 */
	transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
}

/* 遮罩顯示狀態 */
#age-verification-overlay.active {
	opacity: 1;
	visibility: visible;
	pointer-events: auto; /* 允許互動 */
}

/* 遮罩背景半透明疊加層 (確保文字可讀性) */
#age-verification-overlay::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.6); /* 半透明黑色疊加 */
	z-index: -1; /* 在內容下方 */
}

#age-verification-overlay h1 {
	font-size: 6.25rem; /* 100px */
	font-weight: bold;
	line-height: 1;
	margin-bottom: 0.5rem;
	background: linear-gradient(to right, var(--color-age-gradient-start), var(--color-age-gradient-end));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	color: var(--color-age-gradient-start); /* 漸層顏色 fallback */
	letter-spacing: 0.15em; /* 文字間距增加 */
}
@media (max-width: 768px) {
	#age-verification-overlay h1 {
		font-size: 3.5rem; /* 手機版字體縮小 */
		letter-spacing: 0.1em;
	}
}
@media (max-width: 480px) {
	#age-verification-overlay h1 {
		font-size: 2.5rem;
		letter-spacing: 0.08em;
	}
}

#age-verification-overlay .subtitle {
	font-size: 1.25rem; /* 20px */
	color: white;
	margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
	#age-verification-overlay .subtitle {
		font-size: 1rem;
	}
}

#age-verification-overlay .disclaimer {
	font-size: 1.125rem; /* 18px */
	color: lightgray;
	margin-bottom: 2.5rem;
	max-width: 80%;
	line-height: 1.5;
}
@media (max-width: 768px) {
	#age-verification-overlay .disclaimer {
		font-size: 0.9rem;
	}
}

#age-verification-overlay .buttons-container {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}
@media (min-width: 640px) {
	#age-verification-overlay .buttons-container {
		flex-direction: row;
	}
}

#age-verification-overlay .btn-age-check {
	padding: 0.75rem 2rem;
	border-radius: 9999px;
	font-weight: bold;
	font-size: 1.125rem;
	cursor: pointer;
	transition: all 0.3s ease-in-out;
	border: none;
	box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

#age-verification-overlay .btn-yes {
	background-color: var(--color-float-btn);
	color: white;
}
#age-verification-overlay .btn-yes:hover {
	background-color: #d86d66;
	transform: translateY(-2px);
	box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

#age-verification-overlay .btn-no {
	background-color: #6B7280;
	color: white;
}
#age-verification-overlay .btn-no:hover {
	background-color: #4B5563;
	transform: translateY(-2px);
	box-shadow: 0 6px 8px rgba(0,0,0,0.15);
}

/* 自訂訊息彈窗 (取代 alert) */
#custom-message-modal {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.8);
	z-index: 20001; /* 比年齡遮罩更高 */
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}
#custom-message-modal.active {
	opacity: 1;
	visibility: visible;
}
#custom-message-content {
	background-color: white;
	padding: 2rem;
	border-radius: 0.75rem;
	box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
	max-width: 400px;
	text-align: center;
	position: relative;
}
#custom-message-content h2 {
	font-size: 1.5rem;
	color: var(--color-primary-text);
	margin-bottom: 1rem;
}
#custom-message-content p {
	color: #4B5563;
	margin-bottom: 1.5rem;
}
#custom-message-close-btn {
	background-color: var(--color-primary-text);
	color: white;
	padding: 0.5rem 1.5rem;
	border-radius: 9999px;
	cursor: pointer;
	transition: all 0.2s ease-in-out;
	font-weight: bold;
}
#custom-message-close-btn:hover {
	background-color: var(--color-float-btn);
}