#bpai-chat-app {
	--bpai-blue-700: #4938d1;
	--bpai-blue-600: #5b4df5;
	--bpai-blue-100: #eeecff;
	--bpai-ink: #172033;
	--bpai-muted: #667085;
	--bpai-line: #e2e6ee;
	--bpai-surface: #fff;
	--bpai-canvas: #f6f7fb;
	--bpai-danger: #a52a2a;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
	background: #f6f7fb !important;
	background-image: none !important;
	filter: none !important;
	isolation: isolate;
	mix-blend-mode: normal !important;
	opacity: 1 !important;
	position: relative;
	z-index: 10;
	color: var(--bpai-ink);
	min-height: calc(100vh - 110px);
	padding: 22px 20px 36px;
}

#bpai-chat-app::before {
	background: #f6f7fb;
	content: "";
	inset: 0;
	pointer-events: none;
	position: absolute;
	z-index: -1;
}

#bpai-chat-app *, #bpai-chat-app *::before, #bpai-chat-app *::after { box-sizing: border-box; }
#bpai-chat-app [hidden] { display: none !important; }
#bpai-chat-app button, #bpai-chat-app textarea { font: inherit; }
.bpai-chat-frame { background: #f6f7fb; isolation: isolate; margin: 0 auto; opacity: 1; position: relative; width: min(1280px, 100%); }
.bpai-chat-hero { align-items: center; background: #fff; border: 1px solid var(--bpai-line); border-radius: 14px; box-shadow: 0 6px 20px rgba(28, 39, 69, .06); display: flex; justify-content: space-between; gap: 24px; margin: 0 0 14px; padding: 16px 18px; }
.bpai-chat-hero h1 { color: var(--bpai-ink); font-size: clamp(24px, 3vw, 32px); line-height: 1.2; margin: 2px 0 5px; }
.bpai-chat-hero p { color: var(--bpai-muted); font-size: 14px; margin: 0; max-width: 720px; }
.bpai-chat-eyebrow { color: var(--bpai-blue-700) !important; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.bpai-chat-preview-badge { align-items: center; background: #f0fdf4; border: 1px solid #bbebcb; border-radius: 999px; color: #187342; display: inline-flex; flex: 0 0 auto; font-size: 12px; font-weight: 700; gap: 7px; padding: 8px 12px; }
.bpai-chat-preview-badge i { background: #22a965; border-radius: 50%; height: 7px; width: 7px; }
.bpai-chat-workspace { backdrop-filter: none !important; background: #fff !important; background-image: none !important; border: 1px solid #dfe3eb; border-radius: 16px; box-shadow: 0 16px 46px rgba(28, 39, 69, .12); display: grid; grid-template-columns: 280px minmax(0, 1fr); height: max(660px, calc(100vh - 240px)); max-height: 820px; opacity: 1 !important; overflow: hidden; position: relative; z-index: 1; }
.bpai-chat-sidebar { backdrop-filter: none !important; background: #f7f8fb !important; background-image: none !important; border-right: 1px solid var(--bpai-line); min-width: 0; opacity: 1 !important; padding: 18px; }
.bpai-chat-new, .bpai-chat-primary { align-items: center; background: var(--bpai-blue-600); border: 0; border-radius: 10px; color: #fff; cursor: pointer; display: inline-flex; font-weight: 700; gap: 8px; justify-content: center; min-height: 44px; padding: 10px 16px; text-decoration: none; }
.bpai-chat-new { width: 100%; }
.bpai-chat-new:hover, .bpai-chat-primary:hover, .bpai-chat-send:hover { background: var(--bpai-blue-700); color: #fff; }
.bpai-chat-quota { background: #fff; border: 1px solid var(--bpai-line); border-radius: 10px; margin-top: 16px; padding: 13px; }
.bpai-chat-history { border-top: 1px solid var(--bpai-line); margin-top: 18px; padding-top: 18px; }
.bpai-chat-section-title { align-items: center; display: flex; justify-content: space-between; margin-bottom: 12px; }
.bpai-chat-section-title h2 { color: var(--bpai-ink); font-size: 14px; margin: 0; }
.bpai-chat-section-title span { color: var(--bpai-blue-700); font-size: 12px; font-weight: 700; }
.bpai-chat-quota-line { color: var(--bpai-muted); display: flex; font-size: 13px; justify-content: space-between; }
.bpai-chat-progress { background: #e3eaf4; border-radius: 99px; height: 6px; margin: 9px 0; overflow: hidden; }
.bpai-chat-progress span { background: var(--bpai-blue-600); display: block; height: 100%; transition: width .2s ease; width: 0; }
.bpai-chat-quota p, .bpai-chat-session-empty { color: var(--bpai-muted); font-size: 12px; margin: 0; }
.bpai-chat-session-list { display: grid; gap: 6px; max-height: 420px; overflow: auto; }
.bpai-chat-session-list button { background: #fff; border: 1px solid #e5e8ef; border-radius: 8px; color: var(--bpai-ink); cursor: pointer; padding: 9px; text-align: left; }
.bpai-chat-session-list button:hover, .bpai-chat-session-list button.is-active { background: #fff; border-color: #d8d3ff; box-shadow: 0 3px 10px rgba(61, 48, 160, .06); }
.bpai-chat-session-list strong, .bpai-chat-session-list span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bpai-chat-session-list span { color: var(--bpai-muted); font-size: 11px; margin-top: 3px; }
.bpai-chat-conversation { background: #fff !important; background-image: none !important; display: flex; min-height: 0; min-width: 0; opacity: 1 !important; flex-direction: column; }
.bpai-chat-statusbar { align-items: center; background: #fff; border-bottom: 1px solid var(--bpai-line); color: var(--bpai-muted); display: flex; font-size: 12px; justify-content: space-between; min-height: 54px; padding: 12px 22px; }
.bpai-chat-online { align-items: center; display: flex; gap: 7px; }
.bpai-chat-online i { background: #1eaa66; border-radius: 50%; height: 8px; width: 8px; }
.bpai-chat-alert { background: #fff3f3; border-bottom: 1px solid #f1caca; color: var(--bpai-danger); font-size: 13px; padding: 10px 22px; }
.bpai-chat-messages { background: #fff; flex: 1; min-height: 0; overflow: auto; overscroll-behavior: contain; padding: 30px clamp(18px, 5vw, 64px); scroll-behavior: smooth; }
.bpai-chat-empty { margin: 70px auto 0; max-width: 540px; text-align: center; }
.bpai-chat-mark { align-items: center; background: var(--bpai-blue-100); border: 1px solid #c8dbff; border-radius: 14px; color: var(--bpai-blue-700); display: inline-flex; font-size: 18px; font-weight: 800; height: 54px; justify-content: center; width: 54px; }
.bpai-chat-empty h2 { color: var(--bpai-ink); font-size: 22px; margin: 18px 0 8px; }
.bpai-chat-empty p { color: var(--bpai-muted); line-height: 1.7; margin: 0; }
.bpai-chat-prompts { display: flex; flex-wrap: wrap; gap: 9px; justify-content: center; margin-top: 22px; }
.bpai-chat-prompts button { background: #fff; border: 1px solid var(--bpai-line); border-radius: 999px; color: var(--bpai-ink); cursor: pointer; min-height: 40px; padding: 8px 14px; }
.bpai-chat-prompts button:hover { border-color: var(--bpai-blue-600); color: var(--bpai-blue-700); }
.bpai-chat-message { align-items: flex-start; display: flex; gap: 12px; margin-bottom: 24px; }
.bpai-chat-message.is-user { flex-direction: row-reverse; }
.bpai-chat-avatar { align-items: center; background: var(--bpai-blue-100); border-radius: 9px; color: var(--bpai-blue-700); display: flex; flex: 0 0 36px; font-size: 12px; font-weight: 800; height: 36px; justify-content: center; }
.bpai-chat-message.is-user .bpai-chat-avatar { background: #e9edf3; color: #344054; }
.bpai-chat-bubble { max-width: min(720px, 82%); }
.bpai-chat-bubble > strong { color: var(--bpai-muted); display: block; font-size: 12px; margin: 0 0 6px; }
.bpai-chat-message.is-user .bpai-chat-bubble > strong { text-align: right; }
.bpai-chat-content { background: #f7f8fb; border: 1px solid #e8eaf0; border-radius: 4px 14px 14px; color: var(--bpai-ink); line-height: 1.75; overflow-wrap: anywhere; padding: 13px 16px; white-space: pre-wrap; }
.bpai-chat-message.is-user .bpai-chat-content { background: var(--bpai-blue-100); border-color: #ded9ff; border-radius: 14px 4px 14px 14px; color: #29235e; }
.bpai-chat-message.is-streaming .bpai-chat-content::after { animation: bpai-caret .9s steps(1) infinite; background: var(--bpai-blue-600); content: ""; display: inline-block; height: 1.05em; margin-left: 3px; vertical-align: -.12em; width: 2px; }
.bpai-chat-message-actions { margin-top: 7px; }
.bpai-chat-message-actions button { background: transparent; border: 0; color: var(--bpai-muted); cursor: pointer; font-size: 12px; padding: 3px 0; }
.bpai-chat-sources { border-left: 3px solid #c8dbff; margin-top: 12px; padding: 5px 0 5px 12px; }
.bpai-chat-sources > span { color: var(--bpai-muted); font-size: 12px; font-weight: 700; }
.bpai-chat-sources ul { margin: 5px 0 0; padding-left: 18px; }
.bpai-chat-sources a { color: var(--bpai-blue-700); font-size: 13px; }
.bpai-chat-retry { align-items: center; background: #fff8e8; border-top: 1px solid #f0dba6; color: #704d00; display: flex; font-size: 13px; gap: 12px; justify-content: space-between; padding: 10px 22px; }
.bpai-chat-retry button { background: #fff; border: 1px solid #cfad5a; border-radius: 7px; color: #704d00; cursor: pointer; flex: 0 0 auto; min-height: 36px; padding: 6px 10px; }
.bpai-chat-composer { background: #fff; border: 1px solid #d6dbe5; border-radius: 14px; box-shadow: 0 8px 24px rgba(30, 41, 69, .06); margin: 0 clamp(18px, 5vw, 64px) 8px; padding: 11px 12px 9px; }
.bpai-chat-composer textarea { background: #fff !important; background-image: none !important; border: 0; box-shadow: none; color: var(--bpai-ink); display: block; line-height: 1.55; max-height: 160px; min-height: 48px; opacity: 1 !important; outline: 0; padding: 4px; resize: none; width: 100%; }
.bpai-chat-composer-meta { align-items: center; color: var(--bpai-muted); display: flex; font-size: 11px; justify-content: space-between; }
.bpai-chat-send { align-items: center; background: var(--bpai-blue-600); border: 0; border-radius: 8px; color: #fff; cursor: pointer; display: inline-flex; font-weight: 700; gap: 7px; min-height: 38px; padding: 7px 13px; }
.bpai-chat-send:disabled { cursor: wait; opacity: .55; }
.bpai-chat-disclaimer { color: var(--bpai-muted); font-size: 11px; margin: 0 20px 14px; text-align: center; }
.bpai-chat-locked { background: var(--bpai-surface); border: 1px solid var(--bpai-line); border-radius: 18px; box-shadow: 0 18px 50px rgba(16, 44, 87, .08); margin: 0 auto; max-width: 720px; padding: 64px 30px; text-align: center; }
.bpai-chat-locked h2 { color: var(--bpai-ink); margin: 0 0 10px; }
.bpai-chat-locked p { color: var(--bpai-muted); line-height: 1.7; margin: 0 auto 24px; max-width: 540px; }
.bpai-chat-lock-icon { border: 3px solid var(--bpai-blue-600); border-radius: 8px; display: block; height: 34px; margin: 0 auto 22px; position: relative; width: 42px; }
.bpai-chat-lock-icon::before { border: 3px solid var(--bpai-blue-600); border-bottom: 0; border-radius: 20px 20px 0 0; content: ""; height: 22px; left: 8px; position: absolute; top: -23px; width: 20px; }
#bpai-chat-app button:focus-visible, #bpai-chat-app a:focus-visible, #bpai-chat-app textarea:focus-visible { outline: 3px solid rgba(29, 95, 209, .34); outline-offset: 2px; }
.bpai-chat-composer:focus-within { border-color: var(--bpai-blue-600); box-shadow: 0 0 0 3px rgba(29, 95, 209, .1); }

@keyframes bpai-caret { 0%, 55% { opacity: 1; } 56%, 100% { opacity: 0; } }

@media (max-width: 760px) {
	#bpai-chat-app { padding: 24px 12px 36px; }
	.bpai-chat-hero { align-items: flex-start; flex-direction: column; }
	.bpai-chat-workspace { border-radius: 13px; display: flex; flex-direction: column; height: auto; max-height: none; min-height: calc(100vh - 150px); }
	.bpai-chat-sidebar { border-bottom: 1px solid var(--bpai-line); border-right: 0; padding: 14px; }
	.bpai-chat-quota { margin-top: 14px; padding-top: 14px; }
	.bpai-chat-history { margin-top: 14px; padding-top: 14px; }
	.bpai-chat-session-list { display: flex; max-height: none; overflow-x: auto; padding-bottom: 3px; }
	.bpai-chat-session-list button { flex: 0 0 180px; }
	.bpai-chat-messages { min-height: 420px; padding: 22px 14px; }
	.bpai-chat-empty { margin-top: 40px; }
	.bpai-chat-bubble { max-width: 88%; }
	.bpai-chat-composer { margin: 0 12px 8px; }
	.bpai-chat-retry { align-items: stretch; flex-direction: column; }
	.bpai-chat-retry button { min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
	#bpai-chat-app *, #bpai-chat-app *::before, #bpai-chat-app *::after { scroll-behavior: auto !important; transition: none !important; }
}