:root {
	--wpai-primary: #2563eb;
	--wpai-user: #2563eb;
	--wpai-bot: #f1f5f9;
	--wpai-text: #334155;
	--wpai-bg: #ffffff;
	--wpai-border: #e2e8f0;
	--wpai-shadow: rgba(0, 0, 0, 0.08);
}

.wpai-chat-wrap {
	position: fixed;
	bottom: 24px;
	right: 24px;
	z-index: 99998;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
	font-size: 15px;
	line-height: 1.5;
	color: var(--wpai-text);
}

.wpai-chat-wrap.wpai-pos-left {
	right: auto;
	left: 24px;
}

.wpai-chat-wrap.wpai-inline {
	position: static;
	width: 100%;
	bottom: auto;
	right: auto;
	left: auto;
}

.wpai-chat-wrap.wpai-inline .wpai-toggle {
	display: none;
}

.wpai-chat-wrap.wpai-inline .wpai-panel {
	position: static;
	transform: none;
	display: flex;
	width: 100%;
	height: 600px;
	max-height: none;
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	box-shadow: 0 4px 12px var(--wpai-shadow);
	border-radius: 16px;
	border: 1px solid rgba(0,0,0,0.05);
}

.wpai-toggle {
	width: 60px;
	height: 60px;
	border-radius: 50%;
	border: none;
	background: var(--wpai-primary);
	color: #ffffff;
	cursor: pointer;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 8px 24px rgba(0, 0, 0, 0.15);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.3s ease;
	z-index: 99998;
	padding: 0;
}

.wpai-toggle:hover,
.wpai-toggle:focus-visible {
	transform: translateY(-4px) scale(1.05);
	box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2), 0 12px 28px rgba(0, 0, 0, 0.15);
	outline: none;
}

.wpai-toggle:focus-visible {
	outline: 2px solid var(--wpai-primary);
	outline-offset: 4px;
}

.wpai-toggle .dashicons {
	font-size: 30px;
	width: 30px;
	height: 30px;
}

.wpai-toggle-avatar {
	width: 52px;
	height: 52px;
	border-radius: 50%;
	object-fit: cover;
	box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.wpai-panel {
	position: fixed;
	bottom: 100px;
	right: 24px;
	width: 380px;
	max-width: calc(100vw - 48px);
	height: 65vh;
	min-height: 450px;
	max-height: 750px;
	background: var(--wpai-bg);
	border-radius: 16px;
	box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15), 0 0 1px rgba(0,0,0,0.2);
	display: flex;
	flex-direction: column;
	overflow: hidden;
	z-index: 99999;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transform: translateY(20px) scale(0.95);
	transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0.3s ease;
	border: 1px solid rgba(0,0,0,0.05);
}

.wpai-chat-wrap.wpai-pos-left .wpai-panel {
	right: auto;
	left: 24px;
}

.wpai-chat-wrap.open .wpai-panel {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateY(0) scale(1);
}

.wpai-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 20px;
	background: var(--wpai-primary);
	color: #ffffff;
	flex: 0 0 auto;
	box-shadow: 0 2px 10px rgba(0,0,0,0.05);
	position: relative;
	z-index: 2;
}

.wpai-header-info {
	display: flex;
	align-items: center;
	gap: 12px;
	min-width: 0;
}

.wpai-header-avatar {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	object-fit: cover;
	flex: 0 0 auto;
	border: 2px solid rgba(255,255,255,0.25);
}

.wpai-header-name {
	font-size: 16px;
	font-weight: 600;
	letter-spacing: -0.2px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.wpai-close {
	background: rgba(255,255,255,0.1);
	border: none;
	color: #ffffff;
	font-size: 20px;
	width: 32px;
	height: 32px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	border-radius: 50%;
	transition: background 0.2s ease, transform 0.2s ease;
}

.wpai-close:hover,
.wpai-close:focus-visible {
	background: rgba(255, 255, 255, 0.25);
	transform: rotate(90deg);
	outline: none;
}

.wpai-messages {
	flex: 1 1 auto;
	overflow-y: auto;
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	background: #f8fafc;
	scroll-behavior: smooth;
}

.wpai-messages::-webkit-scrollbar {
	width: 6px;
}

.wpai-messages::-webkit-scrollbar-thumb {
	background: rgba(0, 0, 0, 0.15);
	border-radius: 10px;
}

.wpai-messages::-webkit-scrollbar-track {
	background: transparent;
}

.wpai-msg {
	margin: 0;
	padding: 12px 16px;
	border-radius: 16px;
	max-width: 85%;
	word-wrap: break-word;
	white-space: pre-wrap;
	animation: wpai-fade-in 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
	font-size: 14.5px;
	line-height: 1.5;
	box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

@keyframes wpai-fade-in {
	from {
		opacity: 0;
		transform: translateY(8px) scale(0.98);
	}
	to {
		opacity: 1;
		transform: translateY(0) scale(1);
	}
}

.wpai-msg-user {
	align-self: flex-end;
	background: var(--wpai-user);
	color: #ffffff;
	border-bottom-right-radius: 4px;
}

.wpai-msg-bot {
	align-self: flex-start;
	background: var(--wpai-bot);
	color: var(--wpai-text);
	border-bottom-left-radius: 4px;
}

.wpai-msg-error {
	align-self: center;
	background: #fee2e2;
	color: #b91c1c;
	font-size: 13.5px;
	border-radius: 8px;
	border-left: 4px solid #ef4444;
	box-shadow: 0 2px 6px rgba(239,68,68,0.1);
}

.wpai-form {
	display: flex;
	gap: 10px;
	padding: 16px;
	border-top: 1px solid var(--wpai-border);
	flex: 0 0 auto;
	background: var(--wpai-bg);
	position: relative;
	z-index: 2;
}

.wpai-input {
	flex: 1 1 auto;
	padding: 12px 16px;
	border: 1px solid var(--wpai-border);
	border-radius: 24px;
	font-size: 14.5px;
	color: var(--wpai-text);
	background: #f8fafc;
	transition: all 0.2s ease;
	min-width: 0;
	box-shadow: inset 0 1px 3px rgba(0,0,0,0.02);
}

.wpai-input:focus-visible {
	outline: none;
	border-color: var(--wpai-primary);
	background: var(--wpai-bg);
	box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.wpai-input:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.wpai-submit {
	position: relative;
	padding: 0 20px;
	border: none;
	border-radius: 24px;
	background: var(--wpai-primary);
	color: #ffffff;
	font-size: 14.5px;
	font-weight: 600;
	cursor: pointer;
	transition: all 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
	white-space: nowrap;
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	height: 46px;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.wpai-submit:hover:not(:disabled),
.wpai-submit:focus-visible:not(:disabled) {
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
	filter: brightness(1.05);
}

.wpai-submit:focus-visible {
	outline: 3px solid rgba(0, 0, 0, 0.1);
	outline-offset: 2px;
}

.wpai-submit:active:not(:disabled) {
	transform: translateY(0);
	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.wpai-submit:disabled {
	background: #cbd5e1;
	box-shadow: none;
	cursor: not-allowed;
	transform: none;
}

.wpai-spinner {
	display: none;
	width: 18px;
	height: 18px;
	border: 2px solid rgba(255, 255, 255, 0.3);
	border-top-color: #ffffff;
	border-radius: 50%;
	animation: wpai-spin 0.6s linear infinite;
	flex: 0 0 auto;
}

.wpai-submit.loading .wpai-spinner {
	display: inline-block;
}

.wpai-submit.loading .wpai-submit-text {
	opacity: 0;
	display: none;
}

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

@media screen and (max-width: 480px) {
	.wpai-chat-wrap {
		bottom: 16px;
		right: 16px;
	}

	.wpai-chat-wrap.wpai-pos-left {
		left: 16px;
	}

	.wpai-toggle {
		width: 56px;
		height: 56px;
	}

	.wpai-toggle .dashicons {
		font-size: 28px;
		width: 28px;
		height: 28px;
	}

	.wpai-panel {
		bottom: 84px;
		right: 16px;
		left: 16px !important;
		width: auto;
		max-width: none;
		height: calc(100vh - 120px);
		max-height: calc(100vh - 120px);
	}
}