.rb-bf-wrapper {
	/* --rb-purple e --rb-cyan sao controlados pelo admin (Cor neon primaria/secundaria) */
	--rb-purple: #FF007B;
	--rb-cyan: #9500E6;
	--rb-purple-dark: color-mix(in srgb, var(--rb-purple) 70%, black);
	--rb-pink: var(--rb-purple);
	--rb-violet: var(--rb-cyan);
	--rb-bg: #0d0b16;
	--rb-bg-2: #07060d;
	--rb-card: rgba(255,255,255,0.045);
	--rb-border: rgba(255,255,255,0.12);
	--rb-text: #f4f3fa;
	--rb-text-dim: #a8a7c0;

	position: relative;
	isolation: isolate;
	max-width: 1080px;
	margin: 0 auto;
	padding: 4px;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
	color: var(--rb-text);
	background:
		radial-gradient(700px 420px at 12% 0%, color-mix(in srgb, var(--rb-cyan) 22%, transparent), transparent 60%),
		radial-gradient(800px 480px at 92% 100%, color-mix(in srgb, var(--rb-purple) 22%, transparent), transparent 60%),
		linear-gradient(180deg, var(--rb-bg) 0%, var(--rb-bg-2) 100%);
	border-radius: 24px;
	box-shadow: 0 0 0 1px rgba(255,255,255,0.07), 0 30px 90px -20px rgba(0,0,0,0.85);
	overflow: hidden;
}
.rb-bf-wrapper * { box-sizing: border-box; }

/* Grid pattern sutil no fundo, igual ao layout de referencia */
.rb-bf-wrapper::before {
	content: "";
	position: absolute;
	inset: 0;
	pointer-events: none;
	opacity: 0.07;
	background-image:
		linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
	background-size: 42px 42px;
	z-index: 0;
}
/* Blob flutuante decorativo */
.rb-bf-wrapper::after {
	content: "";
	position: absolute;
	left: 50%;
	top: 30%;
	width: 260px;
	height: 260px;
	transform: translateX(-50%);
	background: color-mix(in srgb, var(--rb-purple) 35%, transparent);
	filter: blur(70px);
	opacity: 0.35;
	border-radius: 999px;
	pointer-events: none;
	z-index: 0;
	animation: rb-bf-float 7s ease-in-out infinite;
}
@keyframes rb-bf-float {
	0%, 100% { transform: translateX(-50%) translateY(0); }
	50% { transform: translateX(-50%) translateY(-16px); }
}

.rb-bf-intro,
.rb-bf-progress-wrap,
.rb-bf-form {
	position: relative;
	z-index: 1;
}

.rb-bf-intro { padding: 22px 32px 0; color: var(--rb-text-dim); font-size: 14px; }

.rb-bf-progress-wrap { padding: 22px 32px 0; }
.rb-bf-progress {
	height: 6px;
	background: rgba(255,255,255,0.08);
	border-radius: 999px;
	overflow: hidden;
}
.rb-bf-progress-fill {
	height: 100%;
	width: 0%;
	background: linear-gradient(90deg, var(--rb-purple), var(--rb-cyan));
	box-shadow: 0 0 14px color-mix(in srgb, var(--rb-purple) 70%, transparent);
	border-radius: 999px;
	transition: width 0.45s cubic-bezier(.2,.8,.2,1);
}
.rb-bf-step-counter {
	margin-top: 10px;
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--rb-text-dim);
}
.rb-bf-step-counter b { color: var(--rb-cyan); }

.rb-bf-form { padding: 24px 32px 32px; }

.rb-bf-section { display: none; }
.rb-bf-section.rb-bf-cond-hidden { display: none !important; }
.rb-bf-section.rb-bf-active { display: block; }

@keyframes rb-bf-fade-up {
	from { opacity: 0; transform: translateY(26px) scale(0.98); }
	to   { opacity: 1; transform: translateY(0) scale(1); }
}
.rb-bf-section.rb-bf-active .rb-bf-section-title {
	opacity: 0;
	animation: rb-bf-fade-up 0.55s cubic-bezier(.16,1,.3,1) forwards;
	animation-delay: 0.02s;
}
.rb-bf-section.rb-bf-active .rb-bf-field-question {
	opacity: 0;
	animation: rb-bf-fade-up 0.55s cubic-bezier(.16,1,.3,1) forwards;
	animation-delay: 0.1s;
}
.rb-bf-section.rb-bf-active .rb-bf-field-answer {
	opacity: 0;
	animation: rb-bf-fade-up 0.55s cubic-bezier(.16,1,.3,1) forwards;
	animation-delay: 0.2s;
}
.rb-bf-actions.rb-bf-fade-trigger {
	opacity: 0;
	animation: rb-bf-fade-up 0.55s cubic-bezier(.16,1,.3,1) forwards;
	animation-delay: 0.3s;
}
.rb-bf-section-title {
	font-size: 17px;
	font-weight: 800;
	background: linear-gradient(135deg, var(--rb-purple) 0%, var(--rb-cyan) 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	padding-bottom: 10px;
	margin-bottom: 16px;
	border-bottom: 1px solid var(--rb-border);
	position: relative;
	text-shadow: none;
}
.rb-bf-section-title::after {
	content: "";
	position: absolute; left: 0; bottom: -1px;
	width: 60px; height: 2px;
	background: linear-gradient(90deg, var(--rb-purple), var(--rb-cyan));
	box-shadow: 0 0 10px color-mix(in srgb, var(--rb-purple) 70%, transparent);
}
.rb-bf-num {
	background: linear-gradient(135deg, var(--rb-purple) 0%, var(--rb-cyan) 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	margin-right: 6px;
}
.rb-bf-section-intro {
	font-size: 14px;
	color: var(--rb-text-dim);
	margin-bottom: 16px;
}

.rb-bf-field { margin-bottom: 28px; }
.rb-bf-field-row {
	display: grid;
	grid-template-columns: minmax(220px, 38%) 1fr;
	gap: 8px 40px;
	align-items: start;
}
.rb-bf-field-row.rb-bf-field-no-question {
	grid-template-columns: 1fr;
}
.rb-bf-field-question label,
.rb-bf-group-label {
	display: block;
	font-weight: 700;
	font-size: 16px;
	color: #fff;
	text-transform: none;
	letter-spacing: 0.01em;
	line-height: 1.4;
	padding-top: 12px;
}
.rb-bf-max-note {
	text-transform: none;
	font-style: italic;
	color: var(--rb-purple);
	font-weight: 400;
	font-size: 13px;
}
.rb-bf-req { color: var(--rb-pink); text-shadow: 0 0 8px color-mix(in srgb, var(--rb-pink) 60%, transparent); }

.rb-bf-field-answer input[type="text"],
.rb-bf-field-answer input[type="email"],
.rb-bf-field-answer input[type="tel"],
.rb-bf-field-answer textarea {
	width: 100%;
	padding: 13px 16px;
	border: 1px solid var(--rb-border);
	border-radius: 12px;
	font-size: 15px;
	font-family: inherit;
	color: var(--rb-text);
	background: var(--rb-card);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.rb-bf-field-answer textarea { resize: vertical; min-height: 80px; }
.rb-bf-field-answer input::placeholder,
.rb-bf-field-answer textarea::placeholder { color: #6f6e86; }
.rb-bf-field-answer input:focus,
.rb-bf-field-answer textarea:focus {
	outline: none;
	border-color: var(--rb-purple);
	background: color-mix(in srgb, var(--rb-purple) 8%, var(--rb-card));
	box-shadow: 0 0 0 3px color-mix(in srgb, var(--rb-purple) 20%, transparent), 0 0 20px color-mix(in srgb, var(--rb-purple) 28%, transparent);
}

@media (max-width: 768px) {
	.rb-bf-field-row,
	.rb-bf-field-row.rb-bf-field-no-question {
		grid-template-columns: 1fr;
		gap: 8px;
	}
	.rb-bf-field-question label { padding-top: 0; }
}

.rb-bf-radio-cards { display: flex; flex-direction: column; gap: 12px; }
.rb-bf-card {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	border: 1px solid var(--rb-border);
	border-radius: 14px;
	padding: 15px 16px;
	cursor: pointer;
	background: var(--rb-card);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.15s;
}
.rb-bf-card:hover { border-color: color-mix(in srgb, var(--rb-purple) 55%, transparent); transform: translateY(-2px); }
.rb-bf-card input { margin-top: 4px; accent-color: var(--rb-purple); }
.rb-bf-card:has(input:checked) {
	border-color: var(--rb-purple);
	background: color-mix(in srgb, var(--rb-purple) 12%, var(--rb-card));
	box-shadow: 0 0 0 2px color-mix(in srgb, var(--rb-purple) 30%, transparent), 0 0 24px color-mix(in srgb, var(--rb-purple) 28%, transparent);
}
.rb-bf-card-body strong { display: block; font-size: 15px; color: #fff; }
.rb-bf-card:has(input:checked) .rb-bf-card-body strong { color: var(--rb-cyan); }
.rb-bf-card-body em { display: block; font-size: 13px; color: var(--rb-text-dim); font-style: italic; margin-top: 3px; }

.rb-bf-radio-inline { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.rb-bf-radio-opt {
	display: flex; align-items: center; gap: 7px;
	font-size: 14px; cursor: pointer;
	color: var(--rb-text);
	padding: 8px 14px;
	border: 1px solid var(--rb-border);
	border-radius: 999px;
	background: var(--rb-card);
	transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.rb-bf-radio-opt:hover { border-color: color-mix(in srgb, var(--rb-purple) 55%, transparent); }
.rb-bf-radio-opt input { accent-color: var(--rb-purple); }
.rb-bf-radio-opt:has(input:checked) {
	border-color: var(--rb-purple);
	background: color-mix(in srgb, var(--rb-purple) 12%, var(--rb-card));
	box-shadow: 0 0 16px color-mix(in srgb, var(--rb-purple) 24%, transparent);
}

.rb-bf-checkbox-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 10px 20px;
}
.rb-bf-checkbox-opt {
	display: flex; align-items: center; gap: 9px;
	font-size: 14px; cursor: pointer;
	color: var(--rb-text);
	padding: 10px 12px;
	border: 1px solid var(--rb-border);
	border-radius: 12px;
	background: var(--rb-card);
	transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.rb-bf-checkbox-opt:hover { border-color: color-mix(in srgb, var(--rb-purple) 55%, transparent); }
.rb-bf-checkbox-opt:has(input:checked) {
	border-color: var(--rb-purple);
	background: color-mix(in srgb, var(--rb-purple) 12%, var(--rb-card));
	box-shadow: 0 0 16px color-mix(in srgb, var(--rb-purple) 22%, transparent);
}
.rb-bf-checkbox-opt input[type="checkbox"] { accent-color: var(--rb-purple); width: 16px; height: 16px; }
.rb-bf-checkbox-other { grid-column: 1 / -1; }
.rb-bf-other-text {
	flex: 1;
	padding: 8px 11px;
	border: 1px solid var(--rb-border);
	border-radius: 8px;
	font-size: 13px;
	color: var(--rb-text);
	background: var(--rb-card);
}

.rb-bf-checkbox-grid-images { grid-template-columns: repeat(2, 1fr); gap: 14px; }
.rb-bf-checkbox-opt-image {
	flex-direction: column;
	align-items: stretch;
	border: 1px solid var(--rb-border);
	border-radius: 14px;
	overflow: hidden;
	padding: 0;
	background: var(--rb-card);
	transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.rb-bf-checkbox-opt-image:hover { border-color: color-mix(in srgb, var(--rb-purple) 55%, transparent); transform: translateY(-3px); }
.rb-bf-checkbox-opt-image:has(input:checked) {
	border-color: var(--rb-purple);
	box-shadow: 0 0 0 2px color-mix(in srgb, var(--rb-purple) 35%, transparent), 0 0 28px color-mix(in srgb, var(--rb-purple) 28%, transparent);
}
.rb-bf-checkbox-opt-image img {
	width: 100%; height: auto; display: block;
	background: #14121f;
	border-bottom: 1px solid var(--rb-border);
}
.rb-bf-checkbox-opt-footer {
	display: flex; align-items: center; gap: 9px;
	padding: 11px 13px;
	font-weight: 700; font-size: 13px;
	color: var(--rb-text);
}
.rb-bf-checkbox-opt-image:has(input:checked) .rb-bf-checkbox-opt-footer { color: var(--rb-cyan); }
.rb-bf-checkbox-opt-footer input[type="checkbox"] { accent-color: var(--rb-purple); width: 16px; height: 16px; }

.rb-bf-actions {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-top: 28px;
	padding-top: 22px;
	border-top: 1px solid var(--rb-border);
	flex-wrap: wrap;
}
.rb-bf-btn-back,
.rb-bf-btn-next {
	font-family: inherit;
	font-size: 14px;
	font-weight: 700;
	letter-spacing: 0.04em;
	padding: 13px 22px;
	border-radius: 999px;
	cursor: pointer;
	transition: all 0.2s;
	border: 1px solid var(--rb-border);
	background: rgba(255,255,255,0.05);
	color: var(--rb-text);
}
.rb-bf-btn-back:hover { border-color: rgba(255,255,255,0.32); background: rgba(255,255,255,0.09); }
.rb-bf-btn-next {
	margin-left: auto;
	background: linear-gradient(135deg, var(--rb-purple) 0%, var(--rb-cyan) 100%);
	border: none;
	color: #fff;
	box-shadow: 0 0 20px color-mix(in srgb, var(--rb-purple) 45%, transparent);
}
.rb-bf-btn-next:hover { box-shadow: 0 0 30px color-mix(in srgb, var(--rb-purple) 65%, transparent), 0 0 40px color-mix(in srgb, var(--rb-cyan) 30%, transparent); transform: translateY(-1px); filter: brightness(1.08); }
.rb-bf-btn-next:active { transform: scale(0.98); }
.rb-bf-btn-next:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; transform: none; }

.rb-bf-submit {
	font-family: inherit;
	font-size: 15px;
	font-weight: 800;
	letter-spacing: 0.04em;
	padding: 14px 30px;
	border-radius: 999px;
	cursor: pointer;
	border: none;
	color: #fff;
	background: linear-gradient(135deg, var(--rb-purple) 0%, var(--rb-cyan) 100%);
	box-shadow: 0 0 24px color-mix(in srgb, var(--rb-purple) 50%, transparent), 0 0 32px color-mix(in srgb, var(--rb-cyan) 25%, transparent);
	transition: all 0.2s;
	margin-left: auto;
	display: none;
}
.rb-bf-submit:hover { box-shadow: 0 0 36px color-mix(in srgb, var(--rb-purple) 70%, transparent), 0 0 44px color-mix(in srgb, var(--rb-cyan) 40%, transparent); transform: translateY(-1px); filter: brightness(1.08); }
.rb-bf-submit:active { transform: scale(0.98); }
.rb-bf-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.rb-bf-message {
	width: 100%;
	margin-top: 6px;
	font-size: 14px;
	font-weight: 600;
}
.rb-bf-message.success { color: #34F5A0; text-shadow: 0 0 12px rgba(52,245,160,0.5); }
.rb-bf-message.error { color: #FF6B6B; text-shadow: 0 0 12px rgba(255,107,107,0.5); }

@media (max-width: 600px) {
	.rb-bf-checkbox-grid { grid-template-columns: 1fr; }
	.rb-bf-header { padding: 28px 22px 24px; }
	.rb-bf-header h2 { font-size: 23px; }
	.rb-bf-intro, .rb-bf-progress-wrap, .rb-bf-form { padding-left: 22px; padding-right: 22px; }
}