/* ویجت چت پشتیبانی — همه چیز زیر #chat-support-root تا با قالب سایت قاطی نشود. */

#chat-support-root {
	--cs-color: #2563eb;
	--cs-on-color: #fff;
	--cs-bg: #fff;
	--cs-text: #1f2430;
	--cs-muted: #6b7280;
	--cs-border: #e5e7eb;
	--cs-visitor-bg: #eef2ff;
}

#chat-support-root *,
#chat-support-root *::before,
#chat-support-root *::after {
	box-sizing: border-box;
}

/* بدون این، قانون‌های display پایین‌تر صفت hidden را بی‌اثر می‌کنند. */
#chat-support-root [hidden] {
	display: none !important;
}

.cs-launcher {
	position: fixed;
	bottom: 20px;
	z-index: 999998;
	padding: 0;
	width: 56px;
	height: 56px;
	border: 0;
	border-radius: 50%;
	background: var(--cs-color);
	color: var(--cs-on-color);
	cursor: pointer;
	box-shadow: 0 6px 20px rgba(0, 0, 0, .22);
	font: inherit;
	line-height: 0;
	transition: transform .18s cubic-bezier(.2, .8, .3, 1.1), box-shadow .18s ease;
}

/* کلاس جداست و بعد از پخش برداشته می‌شود، تا با تعویض کلاس‌های دیگر دوباره اجرا نشود. */
.cs-launcher.cs-launcher-enter {
	animation: cs-launcher-in .4s cubic-bezier(.2, .8, .3, 1.15) backwards;
}

@keyframes cs-launcher-in {
	from { opacity: 0; transform: scale(.4) translateY(14px); }
}

.cs-launcher:hover {
	transform: scale(1.08);
	box-shadow: 0 8px 26px rgba(0, 0, 0, .28);
}

.cs-launcher:active {
	transform: scale(.93);
}

/* تکان کوتاه وقتی پیام تازه می‌رسد و پنجره بسته است. */
.cs-launcher.cs-nudge {
	animation: cs-nudge .7s ease;
}

@keyframes cs-nudge {
	0%, 100% { transform: none; }
	20% { transform: translateY(-7px) scale(1.06); }
	40% { transform: translateY(0) scale(1); }
	60% { transform: translateY(-4px) scale(1.03); }
	80% { transform: none; }
}

/* دو آیکون روی هم؛ با باز شدن پنجره جایشان را با چرخش عوض می‌کنند. */
.cs-icon {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: opacity .2s ease, transform .28s cubic-bezier(.2, .8, .3, 1.1);
}

.cs-icon-close {
	opacity: 0;
	transform: rotate(-90deg) scale(.5);
}

.cs-launcher-open .cs-icon-chat {
	opacity: 0;
	transform: rotate(90deg) scale(.5);
}

.cs-launcher-open .cs-icon-close {
	opacity: 1;
	transform: none;
}

.cs-launcher svg {
	width: 26px;
	height: 26px;
	fill: currentColor;
}

.cs-pos-right .cs-launcher { right: 20px; }
.cs-pos-left .cs-launcher { left: 20px; }

.cs-badge {
	position: absolute;
	top: -2px;
	inset-inline-end: -2px;
	min-width: 20px;
	height: 20px;
	padding: 0 5px;
	border-radius: 10px;
	background: #ef4444;
	color: #fff;
	font-size: 12px;
	line-height: 20px;
	text-align: center;
	font-family: Tahoma, sans-serif;
	animation: cs-pop .32s cubic-bezier(.2, .8, .3, 1.4) both;
}

@keyframes cs-pop {
	from { opacity: 0; transform: scale(0); }
	60% { transform: scale(1.18); }
	to { opacity: 1; transform: scale(1); }
}

.cs-panel {
	position: fixed;
	bottom: 88px;
	z-index: 999999;
	display: flex;
	flex-direction: column;
	width: 350px;
	max-width: calc(100vw - 32px);
	height: 480px;
	max-height: calc(100vh - 120px);
	overflow: hidden;
	border-radius: 14px;
	background: var(--cs-bg);
	color: var(--cs-text);
	box-shadow: 0 12px 40px rgba(0, 0, 0, .25);
	font-family: Tahoma, IRANSans, Vazirmatn, -apple-system, "Segoe UI", sans-serif;
	font-size: 14px;
	line-height: 1.7;
	opacity: 0;
	transform: translateY(14px) scale(.96);
	transition: opacity .2s ease, transform .22s cubic-bezier(.2, .8, .3, 1.05);
}

.cs-panel.cs-panel-open {
	opacity: 1;
	transform: none;
}

.cs-pos-right .cs-panel { right: 20px; transform-origin: bottom right; }
.cs-pos-left .cs-panel { left: 20px; transform-origin: bottom left; }

.cs-header {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 14px 16px;
	background: var(--cs-color);
	color: var(--cs-on-color);
}

.cs-header-text { flex: 1; min-width: 0; }

.cs-header strong {
	display: block;
	font-size: 15px;
	font-weight: 700;
}

.cs-header span {
	display: block;
	font-size: 12px;
	opacity: .85;
}

.cs-close {
	padding: 4px 8px;
	border: 0;
	border-radius: 6px;
	background: rgba(255, 255, 255, .18);
	color: inherit;
	font-size: 18px;
	line-height: 1;
	cursor: pointer;
	transition: background .15s ease, transform .15s ease;
}

.cs-close:hover { background: rgba(255, 255, 255, .3); }
.cs-close:active { transform: scale(.9); }

.cs-body {
	flex: 1;
	overflow-y: auto;
	padding: 14px;
	background: #f8fafc;
}

.cs-msg {
	display: flex;
	flex-direction: column;
	max-width: 82%;
	margin-bottom: 10px;
	animation: cs-msg-in .28s cubic-bezier(.2, .8, .3, 1.05) both;
}

/* پیام از سمت خودش می‌آید: مال بازدیدکننده از یک طرف، مال پشتیبان از طرف دیگر. */
@keyframes cs-msg-in {
	from { opacity: 0; transform: translateY(10px) scale(.96); }
}

.cs-msg-visitor { margin-inline-start: auto; align-items: flex-end; }
.cs-msg-admin { margin-inline-end: auto; align-items: flex-start; }

.cs-bubble {
	padding: 8px 12px;
	border-radius: 12px;
	background: #fff;
	border: 1px solid var(--cs-border);
	white-space: pre-wrap;
	word-wrap: break-word;
	overflow-wrap: anywhere;
}

.cs-msg-visitor .cs-bubble {
	background: var(--cs-color);
	border-color: transparent;
	color: var(--cs-on-color);
}

.cs-bubble a { color: inherit; text-decoration: underline; }

.cs-meta {
	margin-top: 3px;
	font-size: 11px;
	color: var(--cs-muted);
}

.cs-welcome {
	animation: cs-msg-in .3s ease both;
	margin-bottom: 12px;
	padding: 10px 12px;
	border-radius: 12px;
	background: var(--cs-visitor-bg);
	color: var(--cs-text);
	font-size: 13px;
}

.cs-form {
	padding: 14px;
	animation: cs-msg-in .3s ease both;
}

.cs-form p {
	margin: 0 0 10px;
	color: var(--cs-muted);
	font-size: 13px;
}

.cs-form input {
	display: block;
	width: 100%;
	margin-bottom: 10px;
	padding: 9px 11px;
	border: 1px solid var(--cs-border);
	border-radius: 8px;
	background: #fff;
	color: var(--cs-text);
	font: inherit;
	transition: border-color .15s ease, box-shadow .15s ease;
}

.cs-form input:hover {
	border-color: #c7cbd3;
}

.cs-form input:focus,
.cs-input:focus {
	outline: 2px solid var(--cs-color);
	outline-offset: -1px;
}

.cs-btn {
	width: 100%;
	padding: 10px;
	border: 0;
	border-radius: 8px;
	background: var(--cs-color);
	color: var(--cs-on-color);
	font: inherit;
	font-weight: 700;
	cursor: pointer;
	transition: transform .14s ease, filter .14s ease;
}

.cs-btn:hover { filter: brightness(1.08); }
.cs-btn:active { transform: scale(.97); }

.cs-error {
	margin: 0 0 10px;
	color: #dc2626;
	font-size: 12px;
	animation: cs-shake .4s ease both;
}

@keyframes cs-shake {
	from { opacity: 0; }
	25% { transform: translateX(-4px); }
	50% { transform: translateX(4px); }
	75% { transform: translateX(-2px); }
	to { opacity: 1; transform: none; }
}

.cs-footer {
	display: flex;
	gap: 8px;
	align-items: flex-end;
	padding: 10px;
	border-top: 1px solid var(--cs-border);
	background: var(--cs-bg);
	animation: cs-msg-in .3s ease both;
}

.cs-input {
	flex: 1;
	max-height: 96px;
	padding: 9px 11px;
	border: 1px solid var(--cs-border);
	border-radius: 8px;
	background: #fff;
	color: var(--cs-text);
	font: inherit;
	resize: none;
	transition: border-color .15s ease, height .12s ease;
}

.cs-send {
	flex-shrink: 0;
	width: 40px;
	height: 40px;
	border: 0;
	border-radius: 8px;
	background: var(--cs-color);
	color: var(--cs-on-color);
	cursor: pointer;
	line-height: 0;
	transition: transform .14s ease, opacity .15s ease, filter .14s ease;
}

.cs-send:hover:not(:disabled) { filter: brightness(1.1); }
.cs-send:active:not(:disabled) { transform: scale(.88); }

/* تا وقتی پیام در راه است، فلش نبض می‌زند. */
.cs-send:disabled svg { animation: cs-pulse .9s ease-in-out infinite; }

@keyframes cs-pulse {
	50% { opacity: .35; }
}

.cs-send svg { width: 18px; height: 18px; margin: auto; fill: currentColor; }

/* فلش ارسال باید در چیدمان راست‌به‌چپ آینه شود. */
[dir="rtl"] .cs-send svg { transform: scaleX(-1); }
.cs-send:disabled { opacity: .5; cursor: default; }

/* موبایل: پنجره تمام‌صفحه */
@media (max-width: 480px) {
	.cs-panel {
		inset: 0;
		width: 100%;
		max-width: 100%;
		height: 100%;
		max-height: 100%;
		border-radius: 0;
	}

	.cs-pos-right .cs-panel,
	.cs-pos-left .cs-panel { right: 0; left: 0; }

	.cs-panel {
		transform: translateY(100%);
		transition: transform .26s cubic-bezier(.2, .8, .3, 1), opacity .2s ease;
	}

	.cs-panel.cs-panel-open { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
	#chat-support-root *,
	#chat-support-root *::before,
	#chat-support-root *::after {
		animation-duration: .01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: .01ms !important;
	}

	/* پنجره باید بدون انیمیشن هم درست دیده شود. */
	.cs-panel { opacity: 1; transform: none; }
}