.bcai-nova {
	--nv-accent: #0071e3;
	--nv-ink: #1d1d1f;
	--nv-ink-soft: #6e6e73;
	--nv-ink-faint: #a1a1a6;
	--nv-surface: #f5f5f7;
	--nv-line: #eaeaea;
	font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	-webkit-font-smoothing: antialiased;
	color: var(--nv-ink);
	margin: 0;
	height: 100vh;
	display: flex;
	flex-direction: column;
}
.bcai-nova * { box-sizing: border-box; }

.bcai-nova-layout { display: flex; height: 100%; flex: 1; min-height: 0; width: 100%; overflow: hidden; border: none; border-radius: 0; background: transparent; position: relative; }

/* ---- sidebar ---- */
.bcai-nova-sidebar {
	width: 250px; flex: 0 0 auto; background: #f9f9f9; border-right: none;
	display: flex; flex-direction: column; padding: 14px 10px; transition: margin-left .2s ease;
}
.bcai-nova-sidebar.collapsed { margin-left: -250px; }
.bcai-nova-sidebar-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.bcai-nova-sidebar-brand { font-size: 15px; font-weight: 600; letter-spacing: -.01em; color: var(--nv-ink); }
.bcai-nova-sidebar-close {
	width: 26px; height: 26px; display: flex; align-items: center; justify-content: center;
	background: none; border: none; color: var(--nv-ink-faint); cursor: pointer; border-radius: 6px;
}
.bcai-nova-sidebar-close:hover { color: var(--nv-ink); }
.bcai-nova-sidebar-open {
	position: absolute; top: 12px; left: 12px; width: 30px; height: 30px; display: none;
	align-items: center; justify-content: center; background: #fff; border: 1px solid var(--nv-line);
	border-radius: 8px; color: var(--nv-ink-soft); cursor: pointer; z-index: 10;
}
.bcai-nova-sidebar-open.visible { display: flex; }
.bcai-nova-persona-badge {
	font-size: 10.5px; font-weight: 600; color: var(--nv-accent); background: rgba(0,113,227,.1);
	padding: 4px 9px; border-radius: 999px; display: inline-block; margin-bottom: 10px; align-self: flex-start;
}
.bcai-nova-new {
	display: flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 600; color: var(--nv-ink);
	background: #fff; border: 1px solid var(--nv-line); border-radius: 8px; padding: 9px 12px; cursor: pointer; margin-bottom: 10px; width: 100%;
}
.bcai-nova-new:hover { border-color: var(--nv-ink-faint); }
.bcai-nova-search {
	display: flex; align-items: center; gap: 7px; background: #fff; border: 1px solid var(--nv-line);
	border-radius: 8px; padding: 9px 12px; margin: 0 0 10px; color: var(--nv-ink-faint);
	width: 100%;
}
.bcai-nova-search input { border: none; outline: none; background: none; font-family: inherit; font-size: 12.5px; color: var(--nv-ink); width: 100%; }
.bcai-nova-search-clear { display: flex; align-items: center; justify-content: center; width: 16px; height: 16px; flex: 0 0 auto; background: none; border: none; color: var(--nv-ink-faint); cursor: pointer; border-radius: 4px; padding: 0; }
.bcai-nova-search-clear:hover { color: var(--nv-ink); background: #ececee; }
.bcai-nova-label { font-size: 10.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--nv-ink-faint); padding: 0 8px 5px; }
.bcai-nova-list { display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.bcai-nova-item { font-size: 13px; color: var(--nv-ink-soft); padding: 8px 9px; border-radius: 7px; cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bcai-nova-item:hover, .bcai-nova-item.active { background: #ececee; color: var(--nv-ink); }
.bcai-nova-empty { font-size: 12.5px; color: var(--nv-ink-faint); padding: 8px 9px; }
.bcai-nova-sidebar-footer { margin-top: auto; padding-top: 10px; display: flex; flex-direction: column; gap: 2px; }
.bcai-nova-sidebar-footer a {
	font-size: 12.5px; font-weight: 500; color: var(--nv-ink-soft); text-decoration: none;
	padding: 7px 9px; border-radius: 6px;
}
.bcai-nova-sidebar-footer a:hover { background: #ececee; color: var(--nv-ink); }
.bcai-nova-site-link {
	display: flex; align-items: center; justify-content: center; gap: 6px; width: 100%; font-size: 12px;
	font-weight: 500; color: var(--nv-ink-soft); background: #fff; border: 1px solid var(--nv-line);
	border-radius: 8px; padding: 8px 10px; cursor: pointer; text-decoration: none; margin-top: 6px;
}
.bcai-nova-site-link:hover { border-color: var(--nv-ink-faint); color: var(--nv-ink); }

/* ---- main page ---- */
.bcai-nova-page { width: 100%; height: 100%; display: flex; flex-direction: column; flex: 1; min-width: 0; }
.bcai-nova-hero { text-align: center; padding: 18px 46px 10px; flex: 0 0 auto; position: relative; z-index: 1; }
.bcai-nova-hero h1 { font-size: 22px; font-weight: 600; letter-spacing: -.02em; margin: 0; }
@media (min-width: 721px) {
	.bcai-nova-hero { display: none; }
	.bcai-nova-layout.sidebar-collapsed .bcai-nova-hero { display: block; }
}

.bcai-nova-shell { flex: 1; display: flex; flex-direction: column; min-height: 0; background: transparent; position: relative; }

/* ---- onboarding overlay ---- */
.bcai-nova-onboard {
	position: absolute; inset: 0; z-index: 6; display: flex; align-items: center; justify-content: center;
	background: #fff; padding: 20px; transition: opacity .35s ease;
}
.bcai-nova-onboard.fading { opacity: 0; pointer-events: none; }
.bcai-nova-onboard.hidden { display: none; }
.bcai-nova-onboard-card { width: 100%; max-width: 340px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; transition: opacity .25s ease; }
.bcai-nova-onboard-card.fading { opacity: 0; }
.bcai-nova-logo { width: 44px; height: 44px; margin-bottom: 8px; border-radius: 50%; overflow: hidden; }
.bcai-nova-logo svg { display: block; width: 100%; height: 100%; }
.bcai-nova-greeting { font-size: 19px; font-weight: 600; letter-spacing: -.01em; margin: 0 0 4px; }
.bcai-nova-sub { font-size: 13px; color: var(--nv-ink-soft); line-height: 1.5; margin: 0 0 16px; }
.bcai-nova-field { width: 100%; text-align: left; margin-bottom: 10px; }
.bcai-nova-field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--nv-ink); text-transform: none; letter-spacing: normal; margin-bottom: 4px; }
.bcai-nova-required { color: #e0303b; font-weight: 700; margin-left: 1px; }
.bcai-nova-field input { width: 100%; font-family: inherit; font-size: 13.5px; padding: 9px 11px; border: 1px solid var(--nv-line); border-radius: 8px; outline: none; background: var(--nv-surface); }
.bcai-nova-field input:focus { background: #fff; border-color: var(--nv-accent); }
.bcai-nova-submit {
	width: 100%; margin-top: 5px; font-family: inherit; font-size: 13.5px; font-weight: 600; color: #fff;
	background: var(--nv-accent); border: none; border-radius: 8px; padding: 10px 13px; cursor: pointer;
}
.bcai-nova-submit:hover { background: #0060c4; }
.bcai-nova-onboard-success-text { font-size: 16px; font-weight: 600; letter-spacing: -.01em; }

/* ---- messages ---- */
.bcai-nova-messages { flex: 1; overflow-y: auto; padding: 20px 0 6px; display: flex; flex-direction: column; gap: 16px; background: transparent; }
.bcai-nova-messages-inner { max-width: 820px; width: 100%; margin: 0 auto; padding: 0 28px; display: flex; flex-direction: column; gap: 20px; }

.bcai-nova-msg { max-width: 74%; font-size: 13.5px; line-height: 1.6; }
.bcai-nova-msg-bot { align-self: flex-start; background: var(--nv-surface); color: var(--nv-ink); padding: 12px 15px; border-radius: 14px 14px 14px 4px; }
.bcai-nova-msg-user { align-self: flex-end; background: var(--nv-accent); color: #fff; padding: 12px 15px; border-radius: 14px 14px 4px 14px; }
.bcai-nova-msg-sources { align-self: flex-start; font-size: 11px; color: var(--nv-ink-faint); }
.bcai-nova-msg-sources a { color: var(--nv-ink-soft); text-decoration: underline; text-underline-offset: 2px; }
.bcai-nova-msg-sources a:hover { color: var(--nv-accent); }
.bcai-nova-msg-sources a.bcai-nova-source-web::before { content: "\1F310  "; }

.bcai-nova-msg-group { display: flex; flex-direction: column; gap: 4px; max-width: 74%; }
.bcai-nova-msg-group.user-group { align-self: flex-end; align-items: flex-end; }
.bcai-nova-msg-group.bot-group { align-items: flex-start; }

.bcai-nova-bot-row { display: flex; align-items: flex-start; gap: 9px; align-self: flex-start; max-width: 80%; }
.bcai-nova-avatar { flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%; overflow: hidden; margin-top: 2px; }
.bcai-nova-avatar svg { display: block; width: 100%; height: 100%; }

.bcai-nova-msg-time { font-size: 10px; color: var(--nv-ink-faint); padding: 0 2px; }
.bcai-nova-msg-footer { display: flex; align-items: center; gap: 9px; padding-left: 2px; }
.bcai-nova-msg-actions { display: flex; gap: 1px; }
.bcai-nova-action-btn { width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; background: none; border: none; color: var(--nv-ink-faint); cursor: pointer; border-radius: 6px; }
.bcai-nova-action-btn:hover { background: #ececee; color: var(--nv-ink); }
.bcai-nova-action-btn.liked { color: var(--nv-accent); }
.bcai-nova-action-btn.disliked { color: #e0483e; }
.bcai-nova-action-btn.speaking { color: var(--nv-accent); }

.bcai-nova-cursor { display: inline-block; width: 2px; height: 13px; background: var(--nv-ink-faint); margin-left: 2px; vertical-align: middle; animation: nvblink .9s steps(2) infinite; }
@keyframes nvblink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

.bcai-nova-typing { align-self: flex-start; background: var(--nv-surface); padding: 13px 15px; border-radius: 14px 14px 14px 4px; display: flex; align-items: center; gap: 4px; }
.bcai-nova-typing span { width: 6px; height: 6px; border-radius: 50%; background: var(--nv-ink-faint); animation: nvbounce 1.2s infinite ease-in-out; }
.bcai-nova-typing span:nth-child(2) { animation-delay: .15s; }
.bcai-nova-typing span:nth-child(3) { animation-delay: .3s; }
@keyframes nvbounce { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-3px); opacity: 1; } }

/* markdown output inside bubbles (shared behavior with widget.css) */
.bcai-nova-msg p { margin: 0 0 8px; }
.bcai-nova-msg p:last-child { margin-bottom: 0; }
.bcai-nova-msg ul, .bcai-nova-msg ol { margin: 0 0 8px; padding-left: 18px; }
.bcai-nova-msg li { margin-bottom: 2px; }
.bcai-nova-msg code { background: rgba(0,0,0,.06); padding: 1px 5px; border-radius: 4px; font-size: .92em; font-family: Menlo, Consolas, monospace; }
.bcai-nova-msg-user code { background: rgba(255,255,255,.2); }
.bcai-nova-table { width: 100%; border-collapse: collapse; margin: 4px 0 8px; font-size: .92em; background: #fff; border-radius: 6px; overflow: hidden; }
.bcai-nova-table th, .bcai-nova-table td { border: 1px solid var(--nv-line); padding: 6px 9px; text-align: left; vertical-align: top; }
.bcai-nova-table th { background: var(--nv-surface); font-weight: 600; }
.bcai-nova-msg { overflow-x: auto; }

/* ---- suggested / followups ---- */
.bcai-nova-suggested-outer { flex: 0 0 auto; }
.bcai-nova-suggested-content { max-width: 820px; width: 100%; margin: 0 auto; padding: 0 28px; }
.bcai-nova-suggested-label { font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--nv-ink-faint); padding-bottom: 7px; }
.bcai-nova-suggested-inner { display: flex; flex-wrap: wrap; gap: 7px; padding-bottom: 10px; transition: opacity .15s ease; }
.bcai-nova-suggested-inner:empty { display: none; }
.bcai-nova-suggested-content:has(.bcai-nova-suggested-inner:empty) .bcai-nova-suggested-label { display: none; }
.bcai-nova-suggested-content:has(.bcai-nova-suggested-inner:empty) { padding: 0; }
.bcai-nova-chip { font-size: 12px; font-weight: 500; color: var(--nv-ink-soft); background: var(--nv-surface); border: 1px solid var(--nv-line); border-radius: 8px; padding: 7px 13px; cursor: pointer; font-family: inherit; }
.bcai-nova-chip:hover { border-color: var(--nv-ink-faint); color: var(--nv-ink); }

/* ---- input ---- */
.bcai-nova-input-outer { background: transparent; flex: 0 0 auto; }
.bcai-nova-input-row { max-width: 820px; width: 100%; margin: 0 auto; padding: 8px 28px 20px; display: flex; align-items: center; gap: 9px; }
.bcai-nova-input { flex: 1; border: 1px solid var(--nv-line); border-radius: 12px; padding: 12px 15px; font-family: inherit; font-size: 13.5px; outline: none; background: var(--nv-surface); resize: none; max-height: 140px; line-height: 1.5; }
.bcai-nova-input:focus { background: #fff; border-color: var(--nv-accent); }

.bcai-nova-send { width: 40px; height: 40px; border-radius: 8px; background: var(--nv-accent); color: #fff; border: none; display: flex; align-items: center; justify-content: center; cursor: pointer; flex: 0 0 auto; }
.bcai-nova-send:hover { background: #0060c4; }

/* ---- + tools menu ---- */
.bcai-nova-plus-wrap { position: relative; flex: 0 0 auto; }
.bcai-nova-plus-btn {
	width: 40px; height: 40px; border-radius: 8px; background: #fff; border: 1px solid var(--nv-line);
	color: var(--nv-ink-soft); display: flex; align-items: center; justify-content: center; cursor: pointer;
	transition: all .15s ease; flex: 0 0 auto;
}
.bcai-nova-plus-btn:hover { color: var(--nv-ink); border-color: var(--nv-ink-faint); }
.bcai-nova-plus-btn[aria-expanded="true"] { color: var(--nv-accent); border-color: rgba(0,113,227,.35); background: rgba(0,113,227,.08); transform: rotate(45deg); }
.bcai-nova-plus-menu {
	position: absolute; bottom: calc(100% + 10px); left: 0; width: min(260px, calc(100vw - 40px)); background: #fff;
	border: 1px solid var(--nv-line); border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.1);
	padding: 6px; display: none; z-index: 20;
}
.bcai-nova-plus-menu.open { display: block; }
.bcai-nova-plus-menu-label { font-size: 10.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--nv-ink-faint); padding: 6px 9px 4px; }
.bcai-nova-plus-item {
	width: 100%; display: flex; align-items: center; gap: 10px; text-align: left; font-family: inherit;
	background: none; border: none; border-radius: 8px; padding: 8px 9px; cursor: pointer;
}
.bcai-nova-plus-item:hover:not(:disabled) { background: var(--nv-surface); }
.bcai-nova-plus-item:disabled { cursor: default; opacity: .55; }
.bcai-nova-plus-item-icon { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 7px; background: var(--nv-surface); color: var(--nv-ink-soft); display: flex; align-items: center; justify-content: center; }
.bcai-nova-plus-item.active .bcai-nova-plus-item-icon { color: var(--nv-accent); background: rgba(0,113,227,.1); }
.bcai-nova-plus-item-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.bcai-nova-plus-item-title { font-size: 13px; font-weight: 500; color: var(--nv-ink); }
.bcai-nova-plus-item-sub { font-size: 11px; color: var(--nv-ink-faint); }
.bcai-nova-plus-item-check { flex: 0 0 auto; width: 16px; height: 16px; color: var(--nv-accent); opacity: 0; }
.bcai-nova-plus-item.active .bcai-nova-plus-item-check { opacity: 1; }
.bcai-nova-plus-item-soon { flex: 0 0 auto; font-size: 10px; font-weight: 600; color: var(--nv-ink-faint); background: var(--nv-surface); border-radius: 999px; padding: 3px 8px; }

.bcai-nova-active-tools { display: none; align-items: center; gap: 6px; flex-wrap: wrap; max-width: 820px; width: 100%; margin: 0 auto; padding: 0 28px 14px; }
.bcai-nova-active-tools:not(:empty) { display: flex; }
.bcai-nova-active-tool-chip {
	display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; font-family: inherit;
	color: var(--nv-accent); background: rgba(0,113,227,.1); border: 1px solid rgba(0,113,227,.35);
	border-radius: 999px; padding: 5px 8px 5px 10px;
}
.bcai-nova-active-tool-chip svg { flex: 0 0 auto; }
.bcai-nova-active-tool-chip button { display: flex; align-items: center; justify-content: center; width: 14px; height: 14px; background: none; border: none; color: inherit; cursor: pointer; padding: 0; opacity: .7; }
.bcai-nova-active-tool-chip button:hover { opacity: 1; }

.bcai-nova-footnote { text-align: center; font-size: 11px; color: var(--nv-ink-faint); padding: 10px 20px 16px; flex: 0 0 auto; }
.bcai-nova-footnote a { color: var(--nv-ink-soft); text-decoration: underline; }
.bcai-nova-footnote-onboard { padding: 12px 4px 0; margin: 0; line-height: 1.4; }

/* ---- tablet: slightly narrower sidebar so content has more room ---- */
@media (min-width: 721px) and (max-width: 960px) {
	.bcai-nova-sidebar { width: 210px; }
	.bcai-nova-sidebar.collapsed { margin-left: -210px; }
}

/* ---- mobile: sidebar becomes a slide-in drawer instead of vanishing ---- */
@media (max-width: 720px) {
	.bcai-nova-layout { height: 100%; }
	.bcai-nova-sidebar {
		position: absolute; top: 0; left: 0; bottom: 0; z-index: 8; width: 78%; max-width: 280px;
		box-shadow: 8px 0 24px rgba(0,0,0,.12); margin-left: 0; transform: translateX(-100%); transition: transform .2s ease;
	}
	.bcai-nova-sidebar.collapsed { transform: translateX(-100%); margin-left: 0; }
	.bcai-nova-sidebar.open { transform: translateX(0); }
	.bcai-nova-sidebar-open { display: flex; }
	.bcai-nova-sidebar-open.drawer-open { display: none; }
	.bcai-nova-hero { padding-left: 42px; padding-right: 42px; }
	.bcai-nova-hero h1 { font-size: 17px; white-space: normal; }
	.bcai-nova-messages-inner, .bcai-nova-suggested-content, .bcai-nova-input-row, .bcai-nova-active-tools { padding-left: 16px; padding-right: 16px; }
	.bcai-nova-msg, .bcai-nova-msg-sources, .bcai-nova-msg-group { max-width: 88%; }
	.bcai-nova-bot-row { max-width: 92%; }
	.bcai-nova-plus-menu { left: 0; }
}

/* ---- very narrow phones ---- */
@media (max-width: 360px) {
	.bcai-nova-onboard { padding: 14px; }
	.bcai-nova-onboard-card { max-width: 100%; }
	.bcai-nova-hero { padding-left: 40px; padding-right: 16px; }
	.bcai-nova-messages-inner, .bcai-nova-suggested-content, .bcai-nova-input-row, .bcai-nova-active-tools { padding-left: 12px; padding-right: 12px; }
	.bcai-nova-msg, .bcai-nova-msg-sources, .bcai-nova-msg-group { max-width: 94%; }
	.bcai-nova-plus-item-sub { display: none; }
}

/* backdrop for the mobile drawer */
.bcai-nova-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.25); z-index: 7; display: none; }
.bcai-nova-backdrop.visible { display: block; }