:root {
	--pit-primary: #c68ee4;
	--pit-primary-dark: #7D3FA1;
	--pit-primary-glow: rgba(198, 142, 228, 0.16);
	--pit-ink: #18141D;
	--pit-ink-soft: #241D2B;
	--pit-ink-lift: #302638;
	--pit-text: #292929;
	--pit-text-muted: #4A4A4A;
	--pit-border: #D7D7D7;
	--pit-bg-subtle: #FAFAFA;
	--pit-white: #FFFFFF;
	--pit-error-bg: #FFF8E8;
	--pit-error-border: #E0A63A;
	--pit-error-text: #5A3A00;
}

body {
	margin: 0;
	padding: 0;
	color: #888888;
	background: #111111;
	font-family: Verdana, Geneva, sans-serif;
	font-size: 14px;
	line-height: 1.4em;
}

a {
	color: var(--pit-primary-dark);
	text-decoration: none;
}

a:hover,
a:focus {
	text-decoration: underline;
}

.clear::after {
	content: "";
	display: block;
	clear: both;
}

.wrapper {
	width: 100%;
}

.fl_left {
	float: left;
}

.fl_right {
	float: right;
}

.row0 {
	background: #232323;
	color: #888888;
	font-size: 12px;
	text-transform: uppercase;
}

.row1 {
	background: #FFFFFF;
	color: #292929;
	border-top: 2px solid var(--pit-primary);
	box-shadow: none;
}

.row3 {
	background:
		radial-gradient(circle at 16% 0%, rgba(198, 142, 228, 0.22), transparent 30%),
		linear-gradient(180deg, #FFFFFF 0%, #F7F4FA 38%, #201927 100%);
	color: #292929;
}

.row5 {
	background: #232323;
	color: #888888;
	border-top: 1px solid var(--pit-primary);
}

.row6 {
	background: #111111;
	color: #888888;
}

#topbar,
#header,
.container,
#footer,
#copyright {
	max-width: 978px;
	margin: 0 auto;
}

#topbar {
	padding: 5px 0 8px;
}

#topbar ul,
#mainav ul,
#footer ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

#topbar a,
#topbar li {
	color: #888888;
}

#header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	min-height: 82px;
}

#logo h1 {
	margin: 0;
	color: var(--pit-text);
	font-family: Georgia, "Times New Roman", Times, serif;
	font-size: 36px;
	font-variant: small-caps;
	letter-spacing: 0;
	line-height: normal;
}

#mainav > ul {
	display: flex;
	align-items: center;
	gap: 0;
	text-transform: uppercase;
}

#mainav li {
	position: relative;
}

#mainav a {
	display: block;
	padding: 20px;
	color: var(--pit-text);
	font-weight: 400;
	font-size: 14px;
	line-height: normal;
	text-decoration: none;
	transition: all 0.4s ease-in-out;
}

#mainav li.active > a,
#mainav a:hover,
#mainav a:focus {
	background: var(--pit-primary);
	color: #FFFFFF;
	border-radius: 0;
}

#mainav li ul {
	position: absolute;
	z-index: 20;
	top: 100%;
	left: 0;
	display: none;
	width: 170px;
	background: rgba(0, 0, 0, 0.8);
	border: none;
	box-shadow: none;
	text-transform: none;
}

#mainav li:hover > ul,
#mainav li:focus-within > ul {
	display: block;
}

#mainav li ul a {
	padding: 10px 12px;
	color: #FFFFFF;
	border-bottom: 1px solid rgba(0, 0, 0, 0.6);
	font-weight: 400;
	white-space: normal;
}

.container {
	padding-top: 24px;
	padding-bottom: 54px;
}

#footer {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(220px, 0.35fr);
	gap: 28px;
	padding-top: 50px;
	padding-bottom: 50px;
}

#footer .title {
	margin: 0 0 30px;
	padding: 0 0 8px;
	color: inherit;
	border-bottom: 1px solid #111111;
	font-family: Georgia, "Times New Roman", Times, serif;
	font-size: 16px;
	line-height: 1.3;
	text-transform: uppercase;
}

#footer p {
	margin: 0;
}

#footer a,
#footer li {
	color: #EFEFEF;
}

#footer li {
	margin: 6px 0;
}

#copyright {
	padding-top: 30px;
	padding-bottom: 30px;
	font-size: 13px;
}

#copyright p {
	margin: 0;
}

.pit-chat-shell {
	max-width: 978px;
	margin: 0 auto;
}

.pit-heading {
	margin-bottom: 14px;
	padding: 0 0 12px;
	border-bottom: 1px solid rgba(125, 63, 161, 0.25);
}

.pit-heading h1 {
	margin: 0 0 10px;
	color: var(--pit-text);
	font-family: Georgia, "Times New Roman", Times, serif;
	font-size: 30px;
	line-height: normal;
	text-transform: uppercase;
}

.pit-heading p {
	margin: 0;
	max-width: 860px;
	font-size: 14px;
	line-height: 1.55;
	color: var(--pit-text-muted);
}

.pit-info-grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: 16px;
	margin-top: 18px;
	margin-bottom: 0;
}

.pit-info-box,
.pit-chat-panel {
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: 8px;
	box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.pit-info-box {
	padding: 18px 20px 16px;
	background: rgba(255, 255, 255, 0.94);
	border-color: rgba(255, 255, 255, 0.55);
	box-shadow: 0 14px 34px rgba(0, 0, 0, 0.16);
}

.pit-info-box h2 {
	margin: 0 0 10px;
	color: var(--pit-text);
	font-family: Georgia, "Times New Roman", Times, serif;
	font-size: 18px;
	line-height: 1.3;
	text-transform: uppercase;
}

.pit-info-box ul {
	margin: 0;
	padding-left: 18px;
}

.pit-info-box li {
	margin: 5px 0;
	font-size: 14px;
	line-height: 1.45;
}

.pit-examples {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 16px 0 0;
}

.pit-chip {
	border: 1px solid rgba(255, 255, 255, 0.2);
	background: rgba(255, 255, 255, 0.9);
	color: #241D2B;
	border-radius: 999px;
	padding: 8px 12px;
	cursor: pointer;
	font-size: 14px;
	line-height: 1.2;
	transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.pit-chip:hover,
.pit-chip:focus {
	border-color: var(--pit-primary);
	color: var(--pit-primary-dark);
	box-shadow: 0 0 0 3px var(--pit-primary-glow), 0 10px 24px rgba(0, 0, 0, 0.12);
	transform: translateY(-1px);
	outline: none;
}

.pit-chat-panel {
	overflow: hidden;
	position: relative;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 34%),
		linear-gradient(135deg, var(--pit-ink) 0%, var(--pit-ink-soft) 52%, #141118 100%);
	border-top: 4px solid var(--pit-primary);
	font-family: Inter, "Segoe UI", Arial, Helvetica, sans-serif;
}

.pit-chat-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 16px 20px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.pit-chat-top h2 {
	margin: 0;
	color: #FFFFFF;
	font-family: Inter, "Segoe UI", Arial, Helvetica, sans-serif;
	font-size: 17px;
	letter-spacing: 0;
	line-height: 1.3;
	text-transform: none;
}

.pit-status {
	min-height: 20px;
	color: rgba(255, 255, 255, 0.7);
	font-size: 13px;
	text-align: right;
}

.pit-messages {
	min-height: 260px;
	max-height: 500px;
	height: clamp(260px, 44vh, 500px);
	overflow-y: auto;
	padding: 24px 20px 18px;
	background:
		radial-gradient(circle at 100% 0%, rgba(198, 142, 228, 0.12), transparent 30%),
		linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015)),
		var(--pit-ink-soft);
}

.pit-message-row {
	display: flex;
	flex-direction: column;
	gap: 6px;
	margin-bottom: 18px;
}

.pit-message-row.user {
	align-items: flex-end;
}

.pit-message-row.assistant,
.pit-message-row.error {
	align-items: flex-start;
}

.pit-message-row::before {
	content: attr(data-label);
	color: rgba(255, 255, 255, 0.52);
	font-size: 10px;
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: none;
}

.pit-message {
	max-width: min(760px, 86%);
	padding: 14px 16px;
	border-radius: 18px;
	font-size: 15.5px;
	line-height: 1.72;
	word-wrap: break-word;
	overflow-wrap: anywhere;
}

.pit-message.user,
.pit-message.error {
	white-space: pre-wrap;
}

.pit-message.user {
	background: linear-gradient(135deg, #c68ee4, #9D60C0);
	color: var(--pit-white);
	border-bottom-right-radius: 6px;
	box-shadow: 0 12px 28px rgba(198, 142, 228, 0.22);
}

.pit-message.assistant {
	background: rgba(255, 255, 255, 0.08);
	color: rgba(255, 255, 255, 0.92);
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-bottom-left-radius: 6px;
	box-shadow: none;
	backdrop-filter: blur(8px);
}

.pit-message.assistant p {
	margin: 0 0 12px;
}

.pit-message.assistant p:last-child {
	margin-bottom: 0;
}

.pit-message.assistant ul {
	margin: 8px 0 12px 20px;
	padding: 0;
}

.pit-message.assistant li {
	margin: 6px 0;
}

.pit-message.assistant strong {
	color: #FFFFFF;
	font-weight: 700;
}

.pit-message.error {
	background: var(--pit-error-bg);
	color: var(--pit-error-text);
	border: 1px solid var(--pit-error-border);
}

.pit-typing {
	display: inline-flex;
	gap: 4px;
	align-items: center;
	margin-left: 6px;
	vertical-align: middle;
}

.pit-loading-text {
	color: rgba(255, 255, 255, 0.82);
	font-weight: 500;
}

.pit-typing span {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: #D7A6F0;
	animation: pitTypingPulse 1s infinite ease-in-out;
}

.pit-typing span:nth-child(2) {
	animation-delay: 0.15s;
}

.pit-typing span:nth-child(3) {
	animation-delay: 0.3s;
}

@keyframes pitTypingPulse {
	0%, 80%, 100% {
		opacity: 0.35;
		transform: translateY(0);
	}
	40% {
		opacity: 1;
		transform: translateY(-3px);
	}
}

.pit-sources {
	max-width: min(820px, 86%);
	margin: -8px 0 14px;
	padding: 0 0 0 2px;
	color: rgba(255, 255, 255, 0.72);
	font-size: 12px;
	line-height: 1.5;
}

.pit-source-list {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-top: 4px;
}

.pit-source-chip {
	display: inline-block;
	max-width: 100%;
	padding: 5px 9px;
	border: 1px solid rgba(198, 142, 228, 0.45);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.08);
	color: #F0DAFA;
	font-weight: 600;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.pit-composer {
	display: grid;
	grid-template-columns: 1fr auto auto;
	gap: 12px;
	padding: 16px 18px;
	border-top: 1px solid rgba(255, 255, 255, 0.12);
	background: var(--pit-ink);
	align-items: stretch;
}

.pit-composer textarea {
	width: 100%;
	min-height: 48px;
	max-height: 120px;
	resize: none;
	border: 1px solid rgba(255, 255, 255, 0.18);
	border-radius: 14px;
	padding: 13px 14px;
	background: rgba(255, 255, 255, 0.96);
	color: var(--pit-text);
	font-family: Inter, "Segoe UI", Arial, Helvetica, sans-serif;
	font-size: 15px;
	line-height: 1.45;
	display: block;
	box-sizing: border-box;
}

.pit-composer textarea:focus {
	border-color: var(--pit-primary);
	box-shadow: 0 0 0 3px var(--pit-primary-glow);
	outline: none;
}

.pit-action {
	border: 1px solid var(--pit-primary);
	background: var(--pit-primary);
	color: var(--pit-white);
	border-radius: 14px;
	padding: 0 18px;
	cursor: pointer;
	font-weight: 700;
	min-height: 48px;
	font-size: 14px;
	white-space: nowrap;
	transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.pit-action:hover,
.pit-action:focus {
	transform: translateY(-1px);
	box-shadow: 0 10px 24px rgba(198, 142, 228, 0.22);
}

.pit-action.secondary {
	background: transparent;
	color: #F2DDFB;
	border-color: rgba(198, 142, 228, 0.65);
}

.pit-action:disabled {
	cursor: not-allowed;
	opacity: 0.62;
}

#mainav li.active > a {
	color: #FFFFFF;
}

.pit-disclaimer {
	margin: 0;
	padding: 10px 18px 12px;
	border-top: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(0, 0, 0, 0.12);
	color: rgba(255, 255, 255, 0.68);
	font-size: 12px;
	line-height: 1.5;
}

@media screen and (max-width: 760px) {
	.pit-chat-shell {
		padding: 0 12px;
	}

	.pit-heading {
		margin-bottom: 12px;
		padding: 0 0 10px;
	}

	.pit-heading h1 {
		font-size: 22px;
	}

	.pit-heading p {
		font-size: 13px;
	}

	.pit-info-grid {
		grid-template-columns: 1fr;
		gap: 10px;
	}

	.pit-info-box {
		padding: 14px 16px 12px;
	}

	.pit-info-box h2 {
		font-size: 16px;
	}

	.pit-chat-top {
		align-items: flex-start;
		flex-direction: column;
		padding: 12px 14px;
	}

	.pit-status {
		text-align: left;
	}

	.pit-messages {
		min-height: 200px;
		height: clamp(200px, 52vh, 420px);
		padding: 16px 10px;
	}

	.pit-message {
		max-width: 92%;
		font-size: 14.5px;
		padding: 11px 13px;
		border-radius: 14px;
	}

	.pit-sources {
		max-width: 92%;
	}

	.pit-composer {
		grid-template-columns: 1fr;
		gap: 8px;
		padding: 10px 10px 12px;
	}

	.pit-composer textarea {
		font-size: 16px;
		min-height: 44px;
		padding: 11px 12px;
		border-radius: 12px;
	}

	.pit-action {
		width: 100%;
		min-height: 44px;
		border-radius: 12px;
		font-size: 15px;
	}

	.pit-examples {
		gap: 8px;
		margin-top: 12px;
	}

	.pit-chip {
		font-size: 13px;
		padding: 9px 11px;
	}

	.pit-disclaimer {
		font-size: 11px;
		padding: 8px 12px;
	}

	#footer {
		grid-template-columns: 1fr;
		gap: 16px;
		padding-top: 32px;
		padding-bottom: 32px;
	}

	#footer .title {
		margin-bottom: 16px;
	}

	#copyright {
		padding-top: 20px;
		padding-bottom: 20px;
		text-align: center;
	}

	.container {
		padding-top: 16px;
		padding-bottom: 36px;
	}
}