.ttb-shell {
	--ttb-ink: #163236;
	--ttb-muted: #5f7275;
	--ttb-line: rgba(13, 76, 87, 0.18);
	--ttb-water: #dff5f3;
	--ttb-water-strong: #8fd5d0;
	--ttb-surface: #fbfffe;
	--ttb-accent: #0b7f7a;
	--ttb-accent-dark: #0a555a;
	--ttb-user: #f6efe0;
	--ttb-shadow: 0 24px 70px rgba(10, 44, 50, 0.12);
	max-width: 920px;
	margin: 2rem auto;
	color: var(--ttb-ink);
	font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
}

.ttb-hero {
	background:
		radial-gradient(circle at top left, rgba(143, 213, 208, 0.7), transparent 34%),
		linear-gradient(135deg, #effaf8 0%, #f9fcfb 54%, #eef6f5 100%);
	border: 1px solid var(--ttb-line);
	border-radius: 28px 28px 14px 14px;
	padding: 1.5rem 1.5rem 1.25rem;
	box-shadow: var(--ttb-shadow);
}

.ttb-eyebrow {
	margin: 0 0 0.5rem;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	font-size: 0.78rem;
	color: var(--ttb-accent-dark);
	font-weight: 700;
}

.ttb-hero h2 {
	margin: 0;
	font-size: clamp(2rem, 4vw, 3rem);
	line-height: 0.95;
}

.ttb-intro,
.ttb-note,
.ttb-helper {
	color: var(--ttb-muted);
}

.ttb-panel {
	background: var(--ttb-surface);
	border: 1px solid var(--ttb-line);
	border-top: 0;
	border-radius: 0 0 28px 28px;
	padding: 1rem;
	box-shadow: var(--ttb-shadow);
}

.ttb-meta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	margin-bottom: 1rem;
	font-size: 0.92rem;
	color: var(--ttb-muted);
}

.ttb-restart,
.ttb-submit {
	border: 0;
	border-radius: 999px;
	cursor: pointer;
	font-weight: 700;
	transition: transform 0.18s ease, opacity 0.18s ease, background 0.18s ease;
}

.ttb-restart {
	background: transparent;
	color: var(--ttb-accent-dark);
	padding: 0.45rem 0.8rem;
	border: 1px solid var(--ttb-line);
}

.ttb-submit {
	background: linear-gradient(135deg, var(--ttb-accent) 0%, var(--ttb-accent-dark) 100%);
	color: #fff;
	padding: 0.82rem 1.3rem;
	min-width: 116px;
}

.ttb-restart:hover,
.ttb-submit:hover {
	transform: translateY(-1px);
}

.ttb-messages {
	display: flex;
	flex-direction: column;
	gap: 0.9rem;
	min-height: 360px;
	max-height: 62vh;
	overflow-y: auto;
	padding: 0.25rem 0.1rem 1rem;
}

.ttb-entry {
	display: flex;
	flex-direction: column;
	gap: 0.45rem;
}

.ttb-entry-toggle,
.ttb-entry-collapse {
	font: inherit;
}

.ttb-entry-toggle {
	display: block;
	max-width: min(82%, 720px);
	padding: 0.72rem 0.95rem;
	border-radius: 14px;
	border: 1px solid var(--ttb-line);
	background: rgba(255, 255, 255, 0.92);
	color: var(--ttb-muted);
	text-align: left;
	cursor: pointer;
}

.ttb-entry.is-user .ttb-entry-toggle {
	margin-left: auto;
	background: rgba(246, 239, 224, 0.86);
}

.ttb-entry.is-assistant .ttb-entry-toggle {
	background: rgba(223, 245, 243, 0.78);
}

.ttb-entry.is-status .ttb-entry-toggle {
	max-width: 100%;
	background: transparent;
	border-style: dashed;
}

.ttb-entry-body {
	display: flex;
	flex-direction: column;
	gap: 0.45rem;
}

.ttb-entry-collapse {
	align-self: flex-start;
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--ttb-muted);
	font-size: 0.82rem;
	font-weight: 700;
	cursor: pointer;
}

.ttb-entry.is-user .ttb-entry-collapse {
	align-self: flex-end;
}

.ttb-bubble {
	max-width: min(82%, 720px);
	padding: 1rem 1.05rem;
	border-radius: 18px;
	line-height: 1.55;
	white-space: pre-wrap;
	border: 1px solid transparent;
}

.ttb-bubble strong {
	font-weight: 700;
}

.ttb-bubble.is-assistant {
	background: var(--ttb-water);
	border-color: rgba(11, 127, 122, 0.1);
	border-top-left-radius: 6px;
}

.ttb-bubble.is-user {
	margin-left: auto;
	background: var(--ttb-user);
	border-color: rgba(116, 81, 18, 0.08);
	border-top-right-radius: 6px;
}

.ttb-bubble.is-status {
	max-width: 100%;
	padding: 0;
	background: transparent;
	color: var(--ttb-muted);
	font-style: italic;
}

.ttb-form {
	border-top: 1px solid var(--ttb-line);
	padding-top: 1rem;
}

.ttb-upload-row {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 0.9rem;
	align-items: start;
	margin-top: 0.85rem;
}

.ttb-image-input {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	border: 0;
}

.ttb-upload-trigger {
	border: 1px solid var(--ttb-line);
	background: #fff;
	color: var(--ttb-accent-dark);
	border-radius: 999px;
	padding: 0.78rem 1rem;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
}

.ttb-image-meta {
	min-width: 0;
}

.ttb-image-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
	margin-top: 0.55rem;
}

.ttb-image-pill {
	display: inline-flex;
	align-items: center;
	padding: 0.35rem 0.7rem;
	border-radius: 999px;
	background: rgba(11, 127, 122, 0.08);
	border: 1px solid rgba(11, 127, 122, 0.14);
	font-size: 0.85rem;
	color: var(--ttb-accent-dark);
}

.ttb-input {
	width: 100%;
	border: 1px solid var(--ttb-line);
	border-radius: 18px;
	padding: 0.95rem 1rem;
	font: inherit;
	color: var(--ttb-ink);
	background: #fff;
	resize: vertical;
	min-height: 124px;
	box-sizing: border-box;
	transition: background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, color 0.18s ease;
}

.ttb-input:focus {
	outline: 2px solid rgba(11, 127, 122, 0.15);
	outline-offset: 1px;
	border-color: rgba(11, 127, 122, 0.36);
}

.ttb-form-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	margin-top: 0.85rem;
}

.ttb-helper {
	margin: 0;
	font-size: 0.92rem;
}

.ttb-captcha-helper {
	display: none;
	margin-top: 0.6rem;
	color: var(--ttb-accent-dark);
}

.ttb-captcha-options {
	display: flex;
	flex-wrap: wrap;
	gap: 0.65rem;
}

.ttb-product-recommendations {
	display: flex;
	flex-direction: column;
	gap: 0.8rem;
}

.ttb-product-heading {
	margin: 0;
	font-size: 0.92rem;
	font-weight: 800;
	color: var(--ttb-accent-dark);
}

.ttb-product-card {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	padding: 0.9rem 0.95rem;
	border-radius: 16px;
	border: 1px solid rgba(11, 127, 122, 0.18);
	background: rgba(255, 255, 255, 0.72);
	color: inherit;
	text-decoration: none;
	transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.ttb-product-card:hover {
	transform: translateY(-1px);
	border-color: rgba(11, 127, 122, 0.32);
	background: rgba(255, 255, 255, 0.92);
}

.ttb-product-title {
	font-size: 1rem;
	color: var(--ttb-ink);
}

.ttb-product-reason {
	font-size: 0.92rem;
	color: var(--ttb-ink);
}

.ttb-product-source {
	font-size: 0.82rem;
	font-weight: 700;
	color: var(--ttb-accent-dark);
}

.ttb-captcha-question {
	display: block;
	font-weight: 800;
}

.ttb-captcha-choice {
	border: 1px solid rgba(11, 127, 122, 0.18);
	background: rgba(11, 127, 122, 0.06);
	color: var(--ttb-accent-dark);
	border-radius: 999px;
	padding: 0.65rem 0.9rem;
	font: inherit;
	font-weight: 700;
	cursor: pointer;
	transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.ttb-captcha-choice:hover {
	transform: translateY(-1px);
	background: rgba(11, 127, 122, 0.1);
	border-color: rgba(11, 127, 122, 0.28);
}

.ttb-captcha-choice:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	transform: none;
}

.ttb-input:disabled {
	background: #edf3f2;
	border-color: rgba(10, 85, 90, 0.28);
	border-style: dashed;
	color: #5f7275;
	cursor: not-allowed;
	box-shadow: inset 0 0 0 1px rgba(10, 85, 90, 0.05);
}

.ttb-shell.is-captcha-required .ttb-upload-row {
	opacity: 0.58;
}

.ttb-shell.is-captcha-required .ttb-captcha-helper {
	display: block;
}

.ttb-shell.is-captcha-required .ttb-upload-trigger {
	background: #f3f6f6;
	border-style: dashed;
}

.ttb-shell.is-closed .ttb-input:disabled {
	background: #f5ebe4;
	border-color: rgba(121, 63, 23, 0.25);
	color: #7a644d;
}

.ttb-submit[disabled],
.ttb-restart[disabled],
.ttb-upload-trigger[disabled] {
	opacity: 0.65;
	cursor: not-allowed;
	transform: none;
}

@media (max-width: 700px) {
	.ttb-shell {
		margin: 1rem auto;
	}

	.ttb-hero,
	.ttb-panel {
		padding: 1rem;
	}

	.ttb-meta,
	.ttb-form-row,
	.ttb-upload-row {
		flex-direction: column;
		align-items: stretch;
	}

	.ttb-upload-row {
		display: flex;
	}

	.ttb-bubble {
		max-width: 100%;
	}

	.ttb-submit,
	.ttb-upload-trigger {
		width: 100%;
	}
}