:root{--blue:#1457d9;--blue-dark:#0c3fa8;--ink:#172033;--muted:#697386;--bg:#f4f7fb;--line:#dfe5ef;--success:#16885b}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--ink)}.topbar{height:72px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 920px)/2));position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--blue);color:white;font-weight:800}.brand small{display:block;color:var(--muted);font-size:12px}.container{max-width:760px;margin:auto;padding:28px 18px 80px}.hero{text-align:center;padding:20px 8px 28px}.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.08;margin:10px 0 12px}.hero p{color:var(--muted);font-size:17px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--blue);font-weight:800}.progress{height:5px;background:#dce4f2;border-radius:9px;overflow:hidden;margin-top:28px}.progress span{display:block;height:100%;width:16.6%;background:var(--blue);transition:.3s}.step{display:none}.step.active{display:block}.card{background:white;border:1px solid var(--line);border-radius:20px;padding:clamp(20px,5vw,38px);box-shadow:0 14px 35px rgba(22,38,68,.07)}.step-number{width:32px;height:32px;display:grid;place-items:center;background:#eaf1ff;color:var(--blue);border-radius:50%;font-weight:800}.card h2{font-size:25px;margin:14px 0 8px}.card>p{color:var(--muted);line-height:1.55}.btn{border:0;border-radius:11px;padding:13px 18px;font-weight:750;cursor:pointer;font-size:15px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--blue);color:white}.btn-primary:hover{background:var(--blue-dark)}.btn-secondary{background:#eaf1ff;color:var(--blue)}.btn-success{background:var(--success);color:white}.btn-outline{background:white;border:1px solid var(--line)}.btn-link{background:transparent;color:var(--blue)}.btn-block{display:block;width:100%;margin-top:12px}.hidden{display:none!important}.option-list{display:grid;gap:10px;margin-top:18px}.option{border:1px solid var(--line);border-radius:12px;padding:14px;text-align:left;background:white;cursor:pointer}.option strong,.option span{display:block}.option span{color:var(--muted);font-size:13px;margin-top:4px}label{display:block;font-size:13px;font-weight:750;margin:18px 0 7px}input,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px;background:white;font:inherit}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tips{background:#f6f9ff;border-radius:14px;padding:16px;display:grid;gap:7px;margin:18px 0}.tips span{font-size:14px;color:#43506a}.upload{border:2px dashed #b8c6df;border-radius:16px;padding:26px;text-align:center;cursor:pointer;margin-top:18px}.upload input{display:none}.upload strong,.upload small{display:block}.upload small{color:var(--muted);margin-top:5px}.message{padding:14px 16px;border-radius:12px;background:#fff3d6;color:#735300;margin-bottom:14px}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.summary div{background:#f7f9fd;padding:14px;border-radius:12px}.summary strong{display:block;font-size:21px}.summary span{font-size:12px;color:var(--muted)}.quote-item{display:grid;grid-template-columns:1fr auto;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.quote-item small{display:block;color:var(--muted);margin-top:4px}.quote-item.not-found{opacity:.7}.choice-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choice-row label{border:1px solid var(--line);padding:14px;border-radius:12px;margin:12px 0}.choice-row input{width:auto}.input-action{display:grid;grid-template-columns:1fr auto;gap:8px}.client-result{margin-top:12px;padding:14px;background:#eef8f4;border-radius:12px}.success-card{text-align:center}.success-icon{margin:auto;width:64px;height:64px;display:grid;place-items:center;border-radius:50%;background:#e4f6ee;color:var(--success);font-size:32px;font-weight:800}footer{text-align:center;color:var(--muted);font-size:12px;padding:28px}@media(max-width:600px){.grid-2,.choice-row,.summary{grid-template-columns:1fr}.topbar{padding:0 14px}.brand small{display:none}}@media(min-width:768px){.container{max-width:920px}.card{padding:32px}.hero{padding:46px 0 28px}.option-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1100px){.container{max-width:1080px}.card{border-radius:24px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Ajustes de accesibilidad, navegación y estados v0.2.1 */
.brand {
	color: inherit;
	text-decoration: none;
}

input:focus,
select:focus,
button:focus-visible,
.option:focus-visible {
	border-color: var(--blue);
	box-shadow: 0 0 0 3px rgba(20, 87, 217, .14);
	outline: none;
}

.message-error {
	background: #fff0f0;
	color: #922727;
}

.message-success {
	background: #e7f8f2;
	color: #17634c;
}

.empty-inline {
	border: 1px dashed var(--line);
	border-radius: 12px;
	color: var(--muted);
	padding: 16px;
	text-align: center;
}

@media (max-width: 420px) {
	.input-action {
		grid-template-columns: 1fr;
	}

	.input-action .btn {
		width: 100%;
	}
}

/* Arquitectura server-driven v0.3.0 */
.progress-label {
	display: block;
	margin-top: 8px;
	color: var(--muted);
	font-size: 12px;
}

.section-divider {
	display: flex;
	align-items: center;
	gap: 12px;
	margin: 22px 0 8px;
	color: var(--muted);
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: .08em;
}

.section-divider::before,
.section-divider::after {
	content: '';
	flex: 1;
	height: 1px;
	background: var(--line);
}

.option-list form {
	margin: 0;
}

.option-submit {
	width: 100%;
	height: 100%;
	font: inherit;
}

.option small {
	display: block;
	margin-top: 6px;
	color: var(--blue);
}

.browser-help {
	min-height: 20px;
	margin: 8px 0 0;
	color: var(--muted);
	font-size: 13px;
}

.selected-context {
	display: grid;
	gap: 4px;
	margin: 16px 0 22px;
	padding: 16px;
	border: 1px solid #ccdaf4;
	border-radius: 14px;
	background: #f5f8ff;
}

.selected-context span,
.selected-context small {
	color: var(--muted);
}

.selected-context.compact {
	margin-bottom: 16px;
}

.form-actions {
	display: flex;
	justify-content: flex-end;
	margin-top: 22px;
}

.form-actions .btn {
	min-width: 180px;
}

.back-form {
	margin-top: 12px;
	text-align: center;
}

.upload input {
	display: block;
	width: 100%;
	margin-top: 18px;
	padding: 10px;
	border: 1px solid var(--line);
	background: white;
}

.file-name {
	display: block;
	margin-top: 12px;
	color: var(--muted);
	font-size: 13px;
	word-break: break-word;
}

.quote-list {
	display: grid;
}

.quote-item {
	grid-template-columns: minmax(0, 1fr) 110px 90px;
	align-items: center;
}

.quote-description {
	min-width: 0;
}

.quote-quantity label {
	margin: 0 0 5px;
}

.quote-quantity input {
	padding: 9px;
	text-align: center;
}

.quote-amount {
	text-align: right;
}

.form-note,
.field-help {
	display: block;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.5;
}

.order-total {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin: 16px 0 20px;
	padding: 16px;
	border-radius: 14px;
	background: #f5f8ff;
}

.order-total span {
	color: var(--muted);
}

.order-total strong {
	font-size: 24px;
}

.lookup-form {
	margin-bottom: 18px;
	padding-bottom: 18px;
	border-bottom: 1px solid var(--line);
}

.client-result {
	display: grid;
	gap: 4px;
	margin-bottom: 18px;
}

.client-result span,
.client-result small {
	display: block;
}

fieldset {
	margin: 18px 0 0;
	padding: 0;
	border: 0;
}

legend {
	font-size: 13px;
	font-weight: 750;
}

.confirmation-code {
	display: grid;
	gap: 5px;
	margin: 20px auto;
	padding: 16px;
	max-width: 360px;
	border-radius: 14px;
	background: #eef8f4;
}

.confirmation-code span {
	color: var(--muted);
	font-size: 12px;
}

@media (max-width: 600px) {
	.quote-item {
		grid-template-columns: minmax(0, 1fr) 86px;
	}

	.quote-amount {
		grid-column: 1 / -1;
		padding-top: 4px;
		text-align: left;
	}

	.form-actions .btn {
		width: 100%;
	}
}

.offline-container {
	min-height: calc(100vh - 160px);
	display: grid;
	place-items: center;
}

.offline-icon {
	margin: 0 auto;
	width: 64px;
	height: 64px;
	display: grid;
	place-items: center;
	border-radius: 50%;
	background: #fff3d6;
	color: #735300;
	font-size: 32px;
	font-weight: 800;
}

/* Dependencia nivel/grado v0.3.2 */
select:disabled {
	background: #f2f4f8;
	color: #7d8798;
	cursor: not-allowed;
}

[data-grades-message] {
	min-height: 20px;
}

/* Integración API matriz y OpenAI v0.4.1 */
.option-heading {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.recommendation-badge {
	padding: 4px 8px;
	border-radius: 999px;
	background: #e7f8f2;
	color: #17634c;
	font-size: 11px;
	font-style: normal;
	font-weight: 800;
	text-transform: uppercase;
}

.quote-section-title {
	margin: 28px 0 10px;
	font-size: 17px;
}

.pending-title {
	color: #8a5a00;
}

.original-request {
	margin-top: 4px;
	color: var(--muted);
}

.delivery-fields {
	margin: 18px 0;
	padding: 18px;
	border: 1px solid #ccdaf4;
	border-radius: 14px;
	background: #f8faff;
}

.delivery-fields[hidden] {
	display: none;
}

textarea {
	width: 100%;
	box-sizing: border-box;
	padding: 12px;
	border: 1px solid var(--line);
	border-radius: 10px;
	font: inherit;
	resize: vertical;
}

button:disabled,
.btn:disabled {
	opacity: .58;
	cursor: not-allowed;
}

/* Perfil inicial y seguimiento opcional v0.9.3 */
.actor-choice-form {
	margin-top: 20px;
}

.actor-choice {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}

.actor-card {
	position: relative;
	display: grid;
	grid-template-columns: auto minmax(0, 1fr);
	grid-template-areas:
		"radio icon"
		"title title"
		"help help";
	gap: 8px 10px;
	min-height: 164px;
	margin: 0;
	padding: 18px;
	border: 2px solid var(--line);
	border-radius: 18px;
	background: #fff;
	cursor: pointer;
	transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.actor-card:hover {
	border-color: #a9bde8;
	transform: translateY(-1px);
}

.actor-card:has(input:checked) {
	border-color: var(--blue);
	box-shadow: 0 0 0 4px rgba(20, 87, 217, .11);
	background: #f7faff;
}

.actor-card input {
	grid-area: radio;
	width: 20px;
	height: 20px;
	margin: 3px 0 0;
	accent-color: var(--blue);
}

.actor-card__icon {
	grid-area: icon;
	justify-self: end;
	font-size: 30px;
	line-height: 1;
}

.actor-card strong {
	grid-area: title;
	font-size: 18px;
}

.actor-card small {
	grid-area: help;
	color: var(--muted);
	font-size: 14px;
	font-weight: 500;
	line-height: 1.5;
}

.actor-summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 20px;
	padding: 12px 14px;
	border: 1px solid #ccdaf4;
	border-radius: 14px;
	background: #f5f8ff;
}

.actor-summary div {
	display: grid;
	gap: 2px;
}

.actor-summary small {
	color: var(--muted);
}

.actor-summary form {
	margin: 0;
}

.consent-card {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr);
	gap: 12px;
	align-items: start;
	margin: 16px 0 18px;
	padding: 14px;
	border: 1px solid #c9d7f1;
	border-radius: 14px;
	background: #f7faff;
	cursor: pointer;
}

.consent-card input {
	width: 20px;
	height: 20px;
	margin: 2px 0 0;
	accent-color: var(--blue);
}

.consent-card span,
.consent-card strong,
.consent-card small {
	display: block;
}

.consent-card small {
	margin-top: 4px;
	color: var(--muted);
	font-weight: 500;
	line-height: 1.45;
}

.tracking-link__actions,
.tracking-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	align-items: center;
	justify-content: center;
}

.tracking-link > small,
.tracking-channel-note {
	display: block;
	margin-top: 10px;
	color: var(--muted);
	font-size: 12px;
	line-height: 1.5;
}

.tracking-channel-note {
	margin-top: 18px;
}

@media (max-width: 600px) {
	.actor-choice {
		grid-template-columns: 1fr;
	}

	.actor-card {
		min-height: 138px;
	}

	.actor-summary {
		align-items: flex-start;
	}

	.tracking-actions .btn,
	.tracking-link__actions a {
		width: 100%;
		text-align: center;
	}
}