/* ==========================================================
   CBETA 搜尋框元件樣式
   限定作用範圍：#searchBar（及其子元素）
   ========================================================== */

#searchBar,
#searchBar * {
	box-sizing: border-box;
}

/* ---------- Search bar ---------- */
#searchBar {
	--ink-900: #1a1d29;
	--ink-600: #565b6e;
	--ink-400: #9498a8;
	--line: #e4e6ee;
	--surface: #ffffff;
	--primary: #3b6fd6;
	--primary-600: #2f5abd;
	--primary-soft: #eaf1ff;
	--ai-grad-1: #7b5cff;
	--ai-grad-2: #3b6fd6;
	--ai-soft: #f1eeff;
	--radius: 14px;
	--shadow-rest:
		0 1px 2px rgba(26, 29, 41, 0.06), 0 8px 24px rgba(26, 29, 41, 0.06);
	--shadow-focus:
		0 0 0 4px rgba(59, 111, 214, 0.14), 0 8px 24px rgba(26, 29, 41, 0.08);

	width: 100%;
	display: flex;
	align-items: center;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: var(--radius);
	box-shadow: var(--shadow-rest);
	padding: 6px;
	gap: 2px;
	font-family:
		-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC",
		"Noto Sans TC", "Microsoft JhengHei", sans-serif;
	color: var(--ink-900);
	transition:
		box-shadow 0.2s ease,
		border-color 0.2s ease;
}
#searchBar:focus-within {
	border-color: #c6d6f7;
	box-shadow: var(--shadow-focus);
}

/* Scope dropdown */
#searchBar .scope {
	position: relative;
	flex: 0 0 auto;
}
#searchBar .scope-btn {
	display: flex;
	align-items: center;
	gap: 6px;
	height: 44px;
	padding: 0 14px 0 16px;
	background: transparent;
	border: none;
	border-radius: 10px;
	color: var(--ink-600);
	font-size: 14px;
	font-weight: 500;
	cursor: pointer;
	white-space: nowrap;
	transition:
		background 0.15s ease,
		color 0.15s ease;
}
#searchBar .scope-btn:hover {
	background: #f0f1f6;
	color: var(--ink-900);
}
#searchBar .scope-btn svg {
	width: 14px;
	height: 14px;
	flex: none;
	transition: transform 0.18s ease;
	color: var(--ink-400);
}
#searchBar .scope.open .scope-btn svg.chev {
	transform: rotate(180deg);
}

#searchBar .divider {
	width: 1px;
	height: 26px;
	background: var(--line);
	flex: 0 0 auto;
	margin: 0 2px;
}

#searchBar .scope-menu {
	position: absolute;
	top: calc(100% + 10px);
	left: 0;
	min-width: 220px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 12px;
	box-shadow: 0 12px 32px rgba(26, 29, 41, 0.14);
	padding: 6px;
	opacity: 0;
	transform: translateY(-6px) scale(0.98);
	pointer-events: none;
	transition:
		opacity 0.15s ease,
		transform 0.15s ease;
	z-index: 20;
}
#searchBar .scope.open .scope-menu {
	opacity: 1;
	transform: translateY(0) scale(1);
	pointer-events: auto;
}
#searchBar .scope-menu button {
	display: flex;
	align-items: center;
	gap: 8px;
	width: 100%;
	text-align: left;
	background: none;
	border: none;
	padding: 9px 10px;
	border-radius: 8px;
	font-size: 14px;
	color: var(--ink-900);
	cursor: pointer;
}
#searchBar .scope-menu button:hover {
	background: var(--primary-soft);
	color: var(--primary-600);
}
#searchBar .scope-menu button.active {
	color: var(--primary);
	font-weight: 600;
}
#searchBar .scope-menu button .dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--primary);
	opacity: 0;
	flex: none;
}
#searchBar .scope-menu button.active .dot {
	opacity: 1;
}

/* Search input */
#searchBar .field {
	flex: 1 1 auto;
	display: flex;
	align-items: center;
	min-width: 0;
	padding: 0 4px;
}
#searchBar .field svg.search-icon {
	width: 18px;
	height: 18px;
	color: var(--ink-400);
	flex: none;
	margin: 0 8px 0 6px;
}
#searchBar .field input {
	flex: 1 1 auto;
	width: 100%;
	min-width: 0;
	height: 44px;
	border: none;
	outline: none;
	background: transparent;
	font-size: 15.5px;
	color: var(--ink-900);
	font-family: inherit;
}
#searchBar .field input::placeholder {
	color: var(--ink-400);
}

/* AI mode toggle */
#searchBar .ai-toggle {
	flex: 0 0 auto;
	display: flex;
	align-items: center;
	gap: 6px;
	height: 38px;
	padding: 0 14px;
	margin-right: 2px;
	border-radius: 20px;
	border: 1px solid var(--line);
	background: var(--surface);
	color: var(--ink-600);
	font-size: 13.5px;
	font-weight: 600;
	cursor: pointer;
	white-space: nowrap;
	transition:
		background 0.18s ease,
		border-color 0.18s ease,
		color 0.18s ease,
		box-shadow 0.18s ease;
}
#searchBar .ai-toggle svg {
	width: 15px;
	height: 15px;
	flex: none;
}
#searchBar .ai-toggle:hover {
	border-color: #d6cfff;
	background: var(--ai-soft);
}
#searchBar .ai-toggle.active {
	color: #fff;
	border-color: transparent;
	background: linear-gradient(135deg, var(--ai-grad-1), var(--ai-grad-2));
	box-shadow: 0 4px 14px rgba(123, 92, 255, 0.35);
}

/* Search button */
#searchBar .search-btn {
	flex: 0 0 auto;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	height: 44px;
	padding: 0 20px;
	border: none;
	border-radius: 10px;
	background: var(--primary);
	color: #fff;
	font-size: 14.5px;
	font-weight: 600;
	cursor: pointer;
	white-space: nowrap;
	transition:
		background 0.15s ease,
		transform 0.05s ease;
}
#searchBar .search-btn svg {
	width: 16px;
	height: 16px;
	flex: none;
}
#searchBar .search-btn:hover {
	background: var(--primary-600);
}
#searchBar .search-btn:active {
	transform: scale(0.97);
}

@media (max-width: 640px) {
	#searchBar {
		flex-wrap: wrap;
	}
	#searchBar .scope-btn span.scope-label {
		display: none;
	}
	#searchBar .ai-toggle span.scope-label {
		display: none;
	}
	#searchBar .ai-toggle {
		padding: 0 10px;
	}
	#searchBar .search-btn span.scope-label {
		display: none;
	}
	#searchBar .search-btn {
		padding: 0 14px;
	}
}