/* ==========================================================================
   Sayenko Design Chatbot Widget
   ========================================================================== */

/* --- Widget container ---------------------------------------------------- */

#sayenko-chatbot-widget {
	position: fixed;
	bottom: 24px;
	right: 24px;
	z-index: 99999;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
	             Helvetica, Arial, sans-serif;
	font-size: 14px;
	line-height: 1.5;
	color: #1a1a2e;
}

/* --- Toggle button ------------------------------------------------------- */

#sayenko-chatbot-toggle {
	width: 56px;
	height: 56px;
	border-radius: 50%;
	background: #1a1a2e;
	border: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
	transition: transform 0.2s ease, box-shadow 0.2s ease;
	margin-left: auto;
	padding: 0;
}

#sayenko-chatbot-toggle:hover {
	transform: scale(1.07);
	box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35);
}

#sayenko-chatbot-toggle:focus-visible {
	outline: 3px solid #6c63ff;
	outline-offset: 3px;
}

/* --- Chat window --------------------------------------------------------- */

#sayenko-chatbot-window {
	position: absolute;
	bottom: 68px;
	right: 0;
	width: 360px;
	max-height: 530px;
	background: #ffffff;
	border-radius: 16px;
	box-shadow: 0 8px 36px rgba(0, 0, 0, 0.18);
	display: flex;
	flex-direction: column;
	overflow: hidden;
	transform-origin: bottom right;
	transition: opacity 0.2s ease, transform 0.2s ease;
}

#sayenko-chatbot-window.sayenko-chatbot-hidden {
	opacity: 0;
	transform: scale(0.92) translateY(8px);
	pointer-events: none;
}

/* --- Header -------------------------------------------------------------- */

#sayenko-chatbot-header {
	background: #1a1a2e;
	color: #ffffff;
	padding: 14px 16px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-shrink: 0;
}

.sayenko-chatbot-header-info {
	display: flex;
	align-items: center;
	gap: 10px;
}

.sayenko-chatbot-avatar {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.18);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 11px;
	font-weight: 700;
	letter-spacing: 0.5px;
	flex-shrink: 0;
}

.sayenko-chatbot-title {
	font-size: 14px;
	font-weight: 600;
}

.sayenko-chatbot-subtitle {
	font-size: 11px;
	opacity: 0.7;
}

#sayenko-chatbot-close {
	background: none;
	border: none;
	color: #ffffff;
	font-size: 26px;
	line-height: 1;
	cursor: pointer;
	padding: 0 2px;
	opacity: 0.75;
	transition: opacity 0.15s;
}

#sayenko-chatbot-close:hover {
	opacity: 1;
}

#sayenko-chatbot-close:focus-visible {
	outline: 2px solid #fff;
	border-radius: 3px;
}

/* --- Message list -------------------------------------------------------- */

#sayenko-chatbot-messages {
	flex: 1;
	overflow-y: auto;
	padding: 16px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	scroll-behavior: smooth;
}

/* Thin custom scrollbar */
#sayenko-chatbot-messages::-webkit-scrollbar { width: 4px; }
#sayenko-chatbot-messages::-webkit-scrollbar-track { background: transparent; }
#sayenko-chatbot-messages::-webkit-scrollbar-thumb {
	background: #d0d0d8;
	border-radius: 4px;
}

/* --- Individual messages ------------------------------------------------- */

.sayenko-chatbot-message {
	max-width: 88%;
	padding: 10px 14px;
	border-radius: 16px;
	word-break: break-word;
	white-space: pre-wrap;
	animation: sayenko-msg-in 0.18s ease;
	font-size: 14px;
}

@keyframes sayenko-msg-in {
	from { opacity: 0; transform: translateY(5px); }
	to   { opacity: 1; transform: translateY(0);   }
}

.sayenko-chatbot-message--user {
	background: #1a1a2e;
	color: #ffffff;
	align-self: flex-end;
	border-bottom-right-radius: 4px;
}

.sayenko-chatbot-message--assistant {
	background: #f0f0f6;
	color: #1a1a2e;
	align-self: flex-start;
	border-bottom-left-radius: 4px;
}

.sayenko-chatbot-message--error {
	background: #fff0f0;
	color: #c0392b;
	align-self: flex-start;
	border-bottom-left-radius: 4px;
	font-style: italic;
}

/* --- Typing indicator ---------------------------------------------------- */

.sayenko-chatbot-typing {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 12px 16px;
	background: #f0f0f6;
	border-radius: 16px;
	border-bottom-left-radius: 4px;
	align-self: flex-start;
}

.sayenko-chatbot-typing span {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: #9090aa;
	display: inline-block;
	animation: sayenko-bounce 1.3s ease infinite;
}

.sayenko-chatbot-typing span:nth-child(2) { animation-delay: 0.18s; }
.sayenko-chatbot-typing span:nth-child(3) { animation-delay: 0.36s; }

@keyframes sayenko-bounce {
	0%, 60%, 100% { transform: translateY(0);    opacity: 0.6; }
	30%            { transform: translateY(-6px); opacity: 1;   }
}

/* --- Input area ---------------------------------------------------------- */

#sayenko-chatbot-input-area {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	padding: 10px 14px 12px;
	border-top: 1px solid #ebebf0;
	flex-shrink: 0;
	background: #fff;
}

#sayenko-chatbot-input {
	flex: 1;
	border: 1px solid #d8d8e0;
	border-radius: 20px;
	padding: 8px 14px;
	resize: none;
	outline: none;
	font-size: 14px;
	font-family: inherit;
	line-height: 1.5;
	max-height: 120px;
	background: #f8f8fc;
	color: #1a1a2e;
	transition: border-color 0.15s, background 0.15s;
}

#sayenko-chatbot-input:focus {
	border-color: #1a1a2e;
	background: #ffffff;
}

#sayenko-chatbot-input:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

#sayenko-chatbot-send {
	width: 38px;
	height: 38px;
	min-width: 38px;
	border-radius: 50%;
	background: #1a1a2e;
	border: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #ffffff;
	padding: 0;
	transition: background 0.15s;
	flex-shrink: 0;
}

#sayenko-chatbot-send:hover {
	background: #2d2d50;
}

#sayenko-chatbot-send:disabled {
	background: #b0b0c0;
	cursor: not-allowed;
}

#sayenko-chatbot-send:focus-visible {
	outline: 3px solid #6c63ff;
	outline-offset: 2px;
}

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 420px) {
	#sayenko-chatbot-widget {
		right: 12px;
		bottom: 12px;
	}

	#sayenko-chatbot-window {
		width: calc(100vw - 24px);
		right: 0;
		max-height: 80vh;
	}
}