/* IntentAI Sales Agent – chat widget. Everything is scoped to #iai-root. */
#iai-root {
	--iai-primary: #4f46e5;
	--iai-on-primary: #fff;
	--iai-bg: #ffffff;
	--iai-surface: #f4f5f7;
	--iai-text: #1d2433;
	--iai-muted: #6b7280;
	--iai-border: #e3e6eb;
	--iai-radius: 16px;
	--iai-shadow: 0 18px 50px rgba(15, 23, 42, .22);
	position: fixed;
	bottom: 20px;
	z-index: 999990;
	font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Bengali", "Hind Siliguri", Roboto, sans-serif;
	color: var(--iai-text);
}
#iai-root.iai-pos-right { right: 20px; }
#iai-root.iai-pos-left { left: 20px; }
#iai-root *, #iai-root *::before, #iai-root *::after { box-sizing: border-box; }
#iai-root [hidden] { display: none !important; }
#iai-root button, #iai-root input, #iai-root select, #iai-root textarea { font: inherit; color: inherit; }

/* Launcher */
#iai-root .iai-launcher {
	position: relative;
	width: 60px; height: 60px;
	border: 0; border-radius: 50%;
	background: var(--iai-primary);
	box-shadow: var(--iai-shadow);
	cursor: pointer;
	display: grid; place-items: center;
	transition: transform .15s ease;
}
#iai-root .iai-launcher:hover { transform: scale(1.05); }
#iai-root .iai-launcher:focus-visible { outline: 3px solid var(--iai-primary); outline-offset: 3px; }
#iai-root .iai-launcher-icon {
	width: 28px; height: 28px;
	background: var(--iai-on-primary);
	-webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h16a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H9l-5 4v-4H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2z'/%3E%3C/svg%3E") center/contain no-repeat;
	mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 4h16a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H9l-5 4v-4H4a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2z'/%3E%3C/svg%3E") center/contain no-repeat;
}
#iai-root.is-open .iai-launcher-icon {
	-webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 6l12 12M18 6L6 18' stroke='black' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E");
	mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 6l12 12M18 6L6 18' stroke='black' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E");
}
#iai-root .iai-badge {
	position: absolute; top: -2px; right: -2px;
	min-width: 20px; height: 20px; padding: 0 6px;
	border-radius: 10px; background: #ef4444; color: #fff;
	font-size: 12px; font-weight: 700; line-height: 20px; text-align: center;
}

/* Panel */
#iai-root .iai-panel {
	position: absolute;
	bottom: 76px;
	width: 380px;
	height: min(640px, calc(100vh - 110px));
	background: var(--iai-bg);
	border-radius: var(--iai-radius);
	box-shadow: var(--iai-shadow);
	display: flex; flex-direction: column;
	overflow: hidden;
	animation: iai-in .18s ease-out;
}
#iai-root.iai-pos-right .iai-panel { right: 0; }
#iai-root.iai-pos-left .iai-panel { left: 0; }
@keyframes iai-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

#iai-root .iai-header {
	display: flex; align-items: center; gap: 10px;
	padding: 14px 14px 14px 16px;
	background: var(--iai-primary); color: var(--iai-on-primary);
}
#iai-root .iai-avatar {
	width: 38px; height: 38px; border-radius: 50%;
	background: rgba(255, 255, 255, .22);
	display: grid; place-items: center;
	font-weight: 700; font-size: 16px;
}
#iai-root .iai-title { flex: 1; display: flex; flex-direction: column; min-width: 0; }
#iai-root .iai-title strong { font-size: 15px; }
#iai-root .iai-status { font-size: 12px; opacity: .9; display: flex; align-items: center; gap: 6px; }
#iai-root .iai-status-dot { width: 8px; height: 8px; border-radius: 50%; background: #cbd5e1; }
#iai-root .iai-status-dot.is-online { background: #4ade80; }
#iai-root .iai-icon-btn {
	width: 32px; height: 32px; border: 0; border-radius: 8px;
	background: transparent; color: var(--iai-on-primary);
	font-size: 20px; line-height: 1; cursor: pointer;
}
#iai-root .iai-icon-btn:hover { background: rgba(255, 255, 255, .18); }

#iai-root .iai-banner {
	padding: 8px 14px; font-size: 12.5px;
	background: #fef3c7; color: #78350f; border-bottom: 1px solid #fde68a;
}

/* Messages */
#iai-root .iai-messages {
	flex: 1; overflow-y: auto; overscroll-behavior: contain;
	padding: 16px 12px 8px;
	background: var(--iai-surface);
	display: flex; flex-direction: column; gap: 10px;
}
#iai-root .iai-msg { display: flex; flex-direction: column; max-width: 100%; }
#iai-root .iai-user { align-items: flex-end; }
#iai-root .iai-bubble {
	max-width: 85%;
	padding: 9px 13px;
	border-radius: 16px;
	background: var(--iai-bg);
	border: 1px solid var(--iai-border);
	word-wrap: break-word; overflow-wrap: anywhere;
}
#iai-root .iai-bot .iai-bubble, #iai-root .iai-agent .iai-bubble { border-bottom-left-radius: 4px; align-self: flex-start; }
#iai-root .iai-user .iai-bubble {
	background: var(--iai-primary); color: var(--iai-on-primary);
	border-color: transparent; border-bottom-right-radius: 4px;
}
#iai-root .iai-agent .iai-bubble { border-color: #a7f3d0; background: #ecfdf5; }
#iai-root .iai-agent-name { display: block; font-size: 11px; font-weight: 700; color: #047857; margin-bottom: 2px; }
#iai-root .iai-bubble a { color: inherit; text-decoration: underline; }
#iai-root .iai-debug { font-size: 10.5px; color: var(--iai-muted); margin: 3px 4px 0; font-family: ui-monospace, monospace; }

#iai-root .iai-typing .iai-bubble { display: flex; gap: 4px; padding: 12px 14px; }
#iai-root .iai-typing i {
	width: 7px; height: 7px; border-radius: 50%; background: #9ca3af;
	animation: iai-dot 1.2s infinite ease-in-out;
}
#iai-root .iai-typing i:nth-child(2) { animation-delay: .15s; }
#iai-root .iai-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes iai-dot { 0%, 80%, 100% { opacity: .3; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }

/* Product cards */
#iai-root .iai-carousel {
	display: flex; gap: 10px;
	overflow-x: auto; scroll-snap-type: x mandatory;
	padding: 4px 2px 8px; margin-top: 6px;
	scrollbar-width: thin;
}
#iai-root .iai-card {
	flex: 0 0 230px; scroll-snap-align: start;
	background: var(--iai-bg); border: 1px solid var(--iai-border); border-radius: 14px;
	overflow: hidden; display: flex; flex-direction: column;
}
#iai-root .iai-carousel.is-single .iai-card { flex-basis: 100%; flex-direction: row; }
#iai-root .iai-carousel.is-single .iai-card-media { flex: 0 0 110px; aspect-ratio: auto; }
#iai-root .iai-card-media { position: relative; display: block; aspect-ratio: 4 / 3; background: #f8fafc; }
#iai-root .iai-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
#iai-root .iai-sale {
	position: absolute; top: 8px; left: 8px;
	background: #dc2626; color: #fff; font-size: 11px; font-weight: 700;
	padding: 2px 7px; border-radius: 6px;
}
#iai-root .iai-card-body { padding: 10px 11px 11px; display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 0; }
#iai-root .iai-card-title {
	font-weight: 600; color: var(--iai-text); text-decoration: none;
	display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
#iai-root .iai-card-short {
	margin: 0; font-size: 12.5px; color: var(--iai-muted);
	display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
#iai-root .iai-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 6px; flex-wrap: wrap; }
#iai-root .iai-price { display: flex; align-items: baseline; gap: 6px; }
#iai-root .iai-price-now { font-weight: 700; color: var(--iai-primary); font-size: 15px; }
#iai-root .iai-price del { color: var(--iai-muted); font-size: 12px; }
#iai-root .iai-stock { font-size: 11px; font-weight: 600; padding: 2px 7px; border-radius: 999px; white-space: nowrap; }
#iai-root .iai-stock.is-in { background: #dcfce7; color: #166534; }
#iai-root .iai-stock.is-low { background: #fef3c7; color: #92400e; }
#iai-root .iai-stock.is-out { background: #fee2e2; color: #991b1b; }
#iai-root .iai-variants { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
#iai-root .iai-variants select {
	width: 100%; padding: 6px 8px; font-size: 12.5px;
	border: 1px solid var(--iai-border); border-radius: 8px; background: var(--iai-bg);
}
#iai-root .iai-card-actions { display: flex; gap: 6px; margin-top: auto; }
#iai-root .iai-btn {
	flex: 1; display: inline-flex; align-items: center; justify-content: center;
	padding: 7px 10px; min-height: 34px;
	border: 1px solid var(--iai-border); border-radius: 9px;
	background: var(--iai-bg); color: var(--iai-text);
	font-size: 12.5px; font-weight: 600; text-decoration: none; cursor: pointer;
}
#iai-root .iai-btn:hover { border-color: var(--iai-primary); }
#iai-root .iai-btn-primary { background: var(--iai-primary); color: var(--iai-on-primary); border-color: var(--iai-primary); }
#iai-root .iai-btn-primary:hover { filter: brightness(1.08); }
#iai-root .iai-btn:disabled { opacity: .55; cursor: not-allowed; }
#iai-root .iai-card-feedback { font-size: 12px; color: var(--iai-muted); display: flex; gap: 10px; flex-wrap: wrap; }
#iai-root .iai-card-feedback:empty { display: none; }
#iai-root .iai-card-feedback a { color: var(--iai-primary); font-weight: 600; }

/* Lead form */
#iai-root .iai-lead {
	background: var(--iai-bg); border: 1px solid var(--iai-border); border-radius: 14px;
	padding: 12px; max-width: 92%;
}
#iai-root .iai-lead p { margin: 2px 0 8px; color: var(--iai-muted); font-size: 12.5px; }
#iai-root .iai-lead-form { display: flex; flex-direction: column; gap: 7px; }
#iai-root .iai-lead-form input {
	width: 100%; padding: 8px 10px; border: 1px solid var(--iai-border); border-radius: 9px; background: var(--iai-bg);
}
#iai-root .iai-form-error { color: #b91c1c; font-size: 12px; }
#iai-root .iai-form-error:empty { display: none; }

/* Quick replies + composer */
#iai-root .iai-quick { display: flex; gap: 6px; flex-wrap: wrap; padding: 0 12px 8px; background: var(--iai-surface); }
#iai-root .iai-quick:empty { display: none; }
#iai-root .iai-chip {
	border: 1px solid var(--iai-primary); color: var(--iai-primary); background: var(--iai-bg);
	border-radius: 999px; padding: 5px 12px; font-size: 12.5px; cursor: pointer;
}
#iai-root .iai-chip:hover { background: var(--iai-primary); color: var(--iai-on-primary); }
#iai-root .iai-composer {
	display: flex; align-items: flex-end; gap: 8px;
	padding: 10px 12px; border-top: 1px solid var(--iai-border); background: var(--iai-bg);
}
#iai-root .iai-input {
	flex: 1; resize: none; border: 1px solid var(--iai-border); border-radius: 12px;
	padding: 9px 12px; max-height: 110px; background: var(--iai-surface); outline: none;
}
#iai-root .iai-input:focus { border-color: var(--iai-primary); background: var(--iai-bg); }
#iai-root .iai-send {
	width: 40px; height: 40px; flex: 0 0 40px; border: 0; border-radius: 12px;
	background: var(--iai-primary); color: var(--iai-on-primary); cursor: pointer; font-size: 16px;
}
#iai-root .iai-send:disabled { opacity: .5; }

/* Shortcode button */
.iai-open-chat { cursor: pointer; }

/* Phones: full-screen panel */
@media (max-width: 480px) {
	#iai-root { bottom: 14px; }
	#iai-root.iai-pos-right { right: 14px; }
	#iai-root.iai-pos-left { left: 14px; }
	#iai-root.is-open .iai-launcher { display: none; }
	#iai-root .iai-panel {
		position: fixed; inset: 0; width: 100%; height: 100%;
		border-radius: 0; bottom: 0;
	}
	#iai-root .iai-input { font-size: 16px; } /* prevents iOS zoom */
}

@media (prefers-reduced-motion: reduce) {
	#iai-root .iai-panel, #iai-root .iai-typing i { animation: none; }
}