/**
 * Frontend CSS for VN AI Prompt Buttons
 *
 * Namespaced with .vn-aipb- to avoid theme styling conflicts.
 */

.vn-aipb-wrapper {
	margin: 20px 0;
	padding: 12px 0;
	display: flex;
	flex-direction: column;
	gap: 10px;
	clear: both;
}

/* Vị trí căn lề (nếu cần tinh chỉnh qua class vị trí) */
.vn-aipb-pos-before {
	margin-bottom: 25px;
}

.vn-aipb-pos-after {
	margin-top: 25px;
}

/* Nhãn văn bản */
.vn-aipb-label {
	font-weight: 600;
	font-size: 14px;
	color: #334155;
	margin: 0;
}

/* Container nút bấm */
.vn-aipb-buttons {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
}

/* Nút bấm AI mặc định */
.vn-aipb-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	text-decoration: none !important;
	padding: 8px 16px;
	font-size: 13.5px;
	font-weight: 600;
	border-radius: 6px;
	color: #ffffff !important;
	border: 1px solid transparent;
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
	cursor: pointer;
	outline: none;
	transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), 
	            box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1), 
	            background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.vn-aipb-button:hover {
	transform: translateY(-2px);
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	color: #ffffff !important;
}

/* Trạng thái focus bằng bàn phím (Accessibility) */
.vn-aipb-button:focus-visible {
	outline: 2px solid #2563eb;
	outline-offset: 2px;
	transform: translateY(-2px);
}

/* Hỗ trợ giảm chuyển động nếu người dùng cấu hình OS */
@media (prefers-reduced-motion: reduce) {
	.vn-aipb-button {
		transition: none;
	}
	.vn-aipb-button:hover {
		transform: none;
	}
}

/* Chế độ chỉ hiển thị Icon */
.vn-aipb-mode-icon {
	padding: 0;
	border-radius: 50%;
	width: 40px;
	height: 40px;
	min-width: 40px;
}

/* Chế độ chỉ hiển thị Chữ */
.vn-aipb-mode-text {
	padding: 8px 14px;
}

/* Căn chỉnh Icon SVG */
.vn-aipb-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 24px;
	height: 24px;
	flex: 0 0 24px;
	line-height: 0;
	margin: 0 !important; /* Ngăn chặn margin từ theme */
	padding: 0 !important;
}

.vn-aipb-icon svg {
	display: block;
	width: 22px;
	height: 22px;
	max-width: none;
	flex-shrink: 0;
	overflow: visible;
}

.vn-aipb-text {
	display: inline-block;
	line-height: 1.2;
}

/* Màu sắc đặc trưng của các AI */
.vn-aipb-chatgpt {
	background-color: #10a37f;
}
.vn-aipb-chatgpt:hover,
.vn-aipb-chatgpt:focus {
	background-color: #0e8f6f;
}

.vn-aipb-claude {
	background-color: #ea580c;
}
.vn-aipb-claude:hover,
.vn-aipb-claude:focus {
	background-color: #ea580c;
}

.vn-aipb-gemini {
	background: linear-gradient(135deg, #1ba1e2, #a200ff);
	background-size: 150% 150%;
	transition: background-position 0.3s ease, transform 0.2s;
}
.vn-aipb-gemini:hover,
.vn-aipb-gemini:focus {
	background-position: right center;
}

.vn-aipb-grok {
	background-color: #0f172a;
}
.vn-aipb-grok:hover,
.vn-aipb-grok:focus {
	background-color: #1e293b;
}

.vn-aipb-perplexity {
	background-color: #0d9488;
}
.vn-aipb-perplexity:hover,
.vn-aipb-perplexity:focus {
	background-color: #0f766e;
}

/* --- CSS Tooltip cho chế độ chỉ hiển thị Icon --- */
.vn-aipb-mode-icon {
	position: relative;
}

.vn-aipb-mode-icon::after {
	content: attr(aria-label);
	position: absolute;
	bottom: 125%;
	left: 50%;
	transform: translate(-50%, 4px) scale(0.95);
	background-color: #0f172a;
	color: #ffffff;
	padding: 6px 10px;
	border-radius: 4px;
	font-size: 11px;
	font-weight: 500;
	line-height: 1.2;
	white-space: nowrap;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
	transition: opacity 0.15s cubic-bezier(0.4, 0, 0.2, 1), 
	            transform 0.15s cubic-bezier(0.4, 0, 0.2, 1), 
	            visibility 0.15s;
	z-index: 99999;
}

.vn-aipb-mode-icon:hover::after,
.vn-aipb-mode-icon:focus::after {
	opacity: 1;
	visibility: visible;
	transform: translate(-50%, 0) scale(1);
}

/* Ẩn tooltip trên mobile vì chạm (touch) có hành vi riêng */
@media (max-width: 768px) {
	.vn-aipb-mode-icon::after {
		display: none !important;
	}
}

/* --- Toast Notification --- */
.vn-aipb-toast {
	position: fixed;
	bottom: 24px;
	right: 24px;
	background-color: #1e293b;
	color: #ffffff;
	padding: 12px 20px;
	border-radius: 8px;
	font-size: 13.5px;
	line-height: 1.5;
	box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
	z-index: 999999;
	opacity: 0;
	visibility: hidden;
	transform: translateY(10px) scale(0.98);
	transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
	            transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
	            visibility 0.25s;
	max-width: 320px;
	border-left: 4px solid #10a37f;
}

.vn-aipb-toast.vn-aipb-toast-active {
	opacity: 1;
	visibility: visible;
	transform: translateY(0) scale(1);
}