:root {
  --rv-blue-900: #183149;
  --rv-gold-500: #B88A44;
  --rv-ivory-50: #F7F5EF;
  --rv-neutral-600: #6E7B88;
  --rv-neutral-200: #DED8CC;
  --rv-radius-sm: 8px;
  --rv-radius-md: 12px;
  --rv-radius-lg: 18px;
  --rv-shadow-soft: 0 10px 30px rgba(24, 49, 73, 0.08);
  --rv-border-subtle: 1px solid #DED8CC;

  --bg: var(--rv-ivory-50);
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: #ffffff;
  --surface-soft: #fbfaf6;
  --border: rgba(24, 49, 73, 0.12);
  --border-strong: rgba(24, 49, 73, 0.2);
  --text: var(--rv-blue-900);
  --muted: var(--rv-neutral-600);
  --accent: var(--rv-blue-900);
  --accent-strong: #10283d;
  --accent-soft: rgba(24, 49, 73, 0.08);
  --danger: #b42318;
  --danger-soft: rgba(220, 38, 38, 0.1);
  --warning-soft: rgba(184, 138, 68, 0.14);
  --success-soft: rgba(24, 49, 73, 0.08);
  --shadow-sm: var(--rv-shadow-soft);
  --shadow-md: 0 24px 60px rgba(24, 49, 73, 0.1);
  --radius-md: var(--rv-radius-lg);
  --max-width: 1480px;
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body { margin: 0; min-height: 100vh; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: linear-gradient(180deg, #fbfaf6 0%, var(--rv-ivory-50) 100%); }
button, input, select { font: inherit; }
.page-shell { max-width: var(--max-width); margin: 0 auto; padding: 28px; }
.topbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.brand-block { max-width: 820px; }
.eyebrow, .section-kicker, .card-label { margin: 0 0 8px; font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--rv-gold-500); }
h1, h2, h3, h4, p, ul { margin: 0; }
h1 { font-size: clamp(2rem, 3.2vw, 3rem); line-height: 1.02; letter-spacing: -0.04em; }
h2 { font-size: 1.35rem; line-height: 1.2; letter-spacing: -0.03em; }
h3 { font-size: 1.08rem; letter-spacing: -0.02em; }
h4 { font-size: 1rem; }
.lead { margin-top: 12px; max-width: 720px; color: var(--muted); line-height: 1.65; }
.topbar-actions, .room-actions, .wizard-buttons, .inline-tools { display: flex; gap: 12px; }
.hero-strip { display: grid; grid-template-columns: 1.45fr 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.hero-card, .panel, .result-block, .metric-card, .soft-card, .lot-item, .room-row, .counter-chip, .health-card, .validation-card, .alert-item, .validation-panel { background: var(--surface); border: var(--rv-border-subtle); box-shadow: var(--shadow-sm); backdrop-filter: blur(16px); border-radius: var(--radius-md); }
.hero-card { padding: 22px; }
.hero-card-strong { background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(247,245,239,0.96)); box-shadow: var(--shadow-md); }
.hero-card p, .hero-list, .hint, .metric-label, .empty-state, .list-row small, .field-help, .quote-note, .alert-item p, .invoice-meta dd, .company-lines p, .invoice-project p { color: var(--muted); }
.hero-card p, .field-help, .quote-note, .alert-item p, .invoice-project p { margin-top: 10px; line-height: 1.6; }
.hero-list { padding-left: 18px; line-height: 1.8; }
.workspace { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.72fr); gap: 20px; align-items: start; }
.sticky-panel { position: sticky; top: 20px; }
.panel { padding: 22px; margin-bottom: 18px; }
.panel-header { margin-bottom: 18px; }
.panel-header-split, .wizard-topline { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.compact-header { margin-bottom: 14px; }
.sidebar-block { margin-top: 12px; }
.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.field-wide { grid-column: 1 / -1; }
.aligned-grid { align-items: end; }
label { display: flex; flex-direction: column; gap: 8px; }
label span { font-size: 0.9rem; font-weight: 600; color: var(--rv-blue-900); }
input, select { width: 100%; min-height: 46px; padding: 11px 14px; border: 1px solid var(--rv-neutral-200); border-radius: 12px; background: rgba(255,255,255,0.98); color: var(--text); transition: border-color .16s ease, box-shadow .16s ease; }
input:hover, select:hover { border-color: var(--border-strong); }
input:focus, select:focus { outline: none; border-color: rgba(184, 138, 68, .55); box-shadow: 0 0 0 4px rgba(184, 138, 68, .12); }
input.invalid, select.invalid { border-color: rgba(220,38,38,.45); box-shadow: 0 0 0 4px rgba(220,38,38,.08); }
.toggle-card { display: flex; flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; min-height: 46px; padding: 12px 14px; border: 1px solid var(--rv-neutral-200); border-radius: 14px; background: var(--surface-soft); }
.toggle-card input { width: auto; min-height: auto; padding: 0; box-shadow: none; }
.btn { appearance: none; border: 1px solid transparent; border-radius: 12px; padding: 11px 15px; cursor: pointer; font-weight: 600; letter-spacing: -0.01em; transition: transform .14s ease, box-shadow .14s ease, background .14s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--rv-blue-900); color: var(--rv-ivory-50); box-shadow: 0 10px 24px rgba(24, 49, 73, .18); }
.btn-primary:hover { background: #10283d; }
.btn-secondary { background: #fff; border-color: var(--rv-neutral-200); color: var(--rv-blue-900); }
.btn-ghost { background: transparent; border-color: var(--rv-neutral-200); color: var(--danger); }
.btn-sm { padding: 9px 12px; font-size: .88rem; }
.btn-icon { padding-inline: 12px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }
.wizard-header { margin-bottom: 18px; }
.wizard-actions-top { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--rv-neutral-200); }
.step-status { font-size: .9rem; font-weight: 600; color: var(--muted); }
.progress-bar { width: 100%; height: 8px; margin-top: 16px; border-radius: 999px; background: rgba(24,49,73,.08); overflow: hidden; }
.progress-bar span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--rv-blue-900), var(--rv-gold-500)); transition: width .18s ease; }
.steps-nav { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.step-chip { display: flex; align-items: center; justify-content: center; min-height: 42px; padding: 8px 10px; border: 1px solid var(--rv-neutral-200); border-radius: 12px; background: rgba(255,255,255,.85); color: var(--muted); font-size: .86rem; font-weight: 600; cursor: pointer; }
.step-chip.is-current { border-color: rgba(184,138,68,.45); background: rgba(184,138,68,.10); color: var(--rv-blue-900); }
.step-chip.is-complete { color: var(--rv-blue-900); background: rgba(24,49,73,.06); }
.step-chip.is-clickable:hover { border-color: rgba(184,138,68,.45); background: rgba(184,138,68,.08); }
.step-chip.is-locked { cursor: not-allowed; opacity: .52; }
.step-chip:disabled { cursor: not-allowed; }
.wizard-actions { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.wizard-feedback { min-height: 24px; color: var(--rv-gold-500); font-size: .92rem; font-weight: 500; }
.counter-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.surface-alert { margin-bottom: 14px; padding: 12px 14px; border: 1px solid rgba(184,138,68,.28); border-radius: 14px; background: rgba(184,138,68,.10); color: var(--rv-blue-900); font-size: .92rem; line-height: 1.5; }
.counter-chip { display: inline-flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 999px; }
.counter-chip strong { font-size: .95rem; }
.counter-chip span { color: var(--muted); font-size: .88rem; }
.rooms-table { border: 1px solid var(--rv-neutral-200); border-radius: 16px; overflow: hidden; background: rgba(255,255,255,.8); }
.rooms-head, .room-row-grid { display: grid; grid-template-columns: 1.05fr 1.2fr 0.7fr auto; gap: 12px; align-items: center; }
.rooms-head { padding: 12px 14px; background: rgba(24,49,73,.03); color: var(--muted); font-size: .82rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.compact-stack { gap: 0; }
.room-row { padding: 10px 14px; border: 0; border-bottom: 1px solid rgba(24,49,73,.06); border-radius: 0; box-shadow: none; background: transparent; }
.room-row:last-child { border-bottom: 0; }
.room-row label { gap: 0; }
.surface-input-wrap { position: relative; }
.surface-input-wrap span { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: .82rem; pointer-events: none; }
.surface-input-wrap input { padding-right: 42px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.lots-list { display: grid; gap: 14px; margin-top: 14px; }
.lot-family-group { display: grid; gap: 10px; }
.lot-family-head h4 { font-size: .88rem; letter-spacing: .04em; text-transform: uppercase; color: var(--rv-gold-500); }
.lot-family-grid { display: none; }
.lot-family-stack { display: none; }
.lot-page-shell { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 14px; align-items: start; }
.lot-rail { display: grid; gap: 10px; max-height: 72vh; overflow: auto; padding-right: 4px; }
.lot-family-accordion { border: 1px solid var(--rv-neutral-200); border-radius: 14px; background: rgba(255,255,255,.92); overflow: hidden; }
.lot-family-accordion summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; cursor: pointer; font-weight: 700; color: var(--rv-blue-900); }
.lot-family-accordion summary::-webkit-details-marker { display: none; }
.lot-family-accordion summary small { color: var(--muted); font-weight: 600; }
.lot-family-items { display: grid; gap: 6px; padding: 0 8px 8px; }
.lot-rail-item { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: center; padding: 8px; border: 1px solid transparent; border-radius: 12px; background: rgba(255,255,255,.7); transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease; }
.lot-rail-item:hover { border-color: rgba(184,138,68,.35); }
.lot-rail-item.is-current { border-color: rgba(184,138,68,.45); background: rgba(184,138,68,.08); box-shadow: 0 10px 20px rgba(24,49,73,.06); }
.lot-rail-item.is-enabled .lot-rail-select strong { color: var(--rv-blue-900); }
.lot-rail-check { display: inline-flex; align-items: center; justify-content: center; }
.lot-rail-check input { position: absolute; opacity: 0; pointer-events: none; }
.lot-rail-check span { width: 18px; height: 18px; border-radius: 5px; border: 1px solid var(--rv-neutral-200); background: #fff; box-shadow: inset 0 0 0 2px #fff; }
.lot-rail-check input:checked + span { background: var(--rv-blue-900); border-color: var(--rv-blue-900); }
.lot-rail-select { width: 100%; display: grid; gap: 2px; text-align: left; padding: 0; border: 0; background: transparent; cursor: pointer; }
.lot-rail-select span { font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--rv-gold-500); }
.lot-rail-select strong { line-height: 1.2; color: var(--rv-blue-900); }
.lot-rail-select small { color: var(--muted); }
.lot-page-card { border: 1px solid var(--rv-neutral-200); border-radius: 18px; background: rgba(255,255,255,.96); box-shadow: var(--shadow-sm); overflow: hidden; }
.lot-page-card.is-enabled { border-color: rgba(184,138,68,.45); box-shadow: 0 16px 32px rgba(24,49,73,.08); }
.lot-page-head { display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: start; padding: 18px; border-bottom: 1px solid rgba(24,49,73,.08); }
.lot-page-hint { margin-top: 8px; color: var(--muted); line-height: 1.55; }
.lot-page-price { display: inline-flex; flex-direction: column; justify-content: center; min-width: 126px; padding: 12px 14px; border-radius: 14px; background: rgba(24,49,73,.05); font-weight: 700; color: var(--rv-blue-900); }
.lot-page-price small { margin-top: 2px; color: var(--muted); font-size: .78rem; }
.lot-page-body { padding: 18px; animation: lotFadeIn .2s ease; }
.lot-card-copy strong { display: block; line-height: 1.2; }
.lot-card-copy small { display: block; margin-top: 4px; color: var(--muted); line-height: 1.45; }
.lot-card-copy-plain { margin-bottom: 16px; }
.lot-card-bottom { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: end; }
.lot-price-chip { display: inline-flex; flex-direction: column; justify-content: center; min-width: 112px; padding: 10px 12px; border-radius: 12px; background: rgba(24,49,73,.05); font-weight: 700; color: var(--rv-blue-900); }
.lot-price-chip small { margin-top: 2px; font-size: .76rem; color: var(--muted); }
.lot-metric { display: grid; gap: 6px; }
.lot-metric span { font-size: .8rem; font-weight: 600; color: var(--muted); }
.lot-metric input { min-height: 42px; }
.lot-metric-auto { align-self: center; padding: 10px 12px; border-radius: 12px; background: rgba(184,138,68,.08); }
.lot-metric-auto strong { font-size: .95rem; color: var(--rv-blue-900); }
.lot-metric-empty { min-height: 1px; }
.lot-page-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 0 18px 18px; }
.lot-page-counter { color: var(--muted); font-size: .88rem; font-weight: 600; }
@keyframes lotFadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }
.double-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.soft-card { padding: 18px; }
.soft-card h4 { margin-bottom: 14px; }
.result-grid, .health-grid, .validation-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.metric-card, .health-card, .validation-card { padding: 18px; }
.metric-label { display: block; }
.metric-value, .health-value, .validation-value { display: block; margin-top: 8px; font-size: 1.52rem; font-weight: 700; letter-spacing: -0.03em; }
.metric-value.small, .health-value.small, .validation-value.small { font-size: 1.02rem; line-height: 1.4; }
.validation-panel { padding: 18px; }
.alerts-list { display: grid; gap: 10px; margin-top: 14px; }
.alert-item { padding: 14px 16px; }
.alert-item strong { display: block; }
.alert-item.warning { background: rgba(184, 138, 68, 0.10); }
.alert-item.danger { background: rgba(220, 38, 38, 0.08); }
.alert-item.success { background: rgba(24,49,73,0.06); }
.results-panel { box-shadow: var(--shadow-md); }
.result-stack { display: grid; gap: 12px; margin-top: 12px; }
.result-block { padding: 18px; }
.result-block h4 { margin-bottom: 8px; }
.list-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(24,49,73,.08); }
.list-row:last-child { border-bottom: none; }
.list-row strong, .list-row span { display: block; }
.list-row small { display: block; margin-top: 4px; line-height: 1.45; }
.badge { display: inline-flex; align-items: center; justify-content: center; min-height: 32px; padding: 0 12px; border-radius: 999px; background: rgba(24,49,73,.08); color: var(--rv-blue-900); font-size: .85rem; font-weight: 700; }
.badge.warning { background: rgba(184,138,68,.16); color: var(--rv-gold-500); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.quote-preview { border: 1px solid var(--rv-neutral-200); border-radius: 16px; background: rgba(255,255,255,.72); overflow: hidden; }
.invoice-document { padding: 18px; background: #fff; }
.invoice-top { display: grid; grid-template-columns: 1.2fr .95fr; gap: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--rv-blue-900); align-items: center; }
.company-block { display: block; }
.company-lines { display: grid; gap: 12px; align-items: start; }
.invoice-logo { width: 320px; max-width: 100%; flex: 0 0 auto; }
.invoice-logo.invoice-logo-prominent { margin-top: 2px; margin-bottom: 8px; }
.invoice-logo svg, .invoice-logo img { width: 100%; height: auto; display: block; }
.company-lines h2 { font-size: 1.15rem; letter-spacing: -0.03em; margin: 0; }
.company-lines p { margin-top: 0; line-height: 1.25; font-size: .8rem; }
.invoice-meta { display: grid; gap: 6px; }
.invoice-meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.invoice-meta div { padding: 6px 8px; border: 1px solid var(--rv-neutral-200); border-radius: 8px; background: #fff; }
.invoice-meta dt { font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.invoice-meta dd { margin: 3px 0 0; font-size: .78rem; font-weight: 700; color: var(--text); line-height: 1.2; }
.invoice-section { margin-top: 10px; }
.invoice-section h3 { margin-bottom: 6px; font-size: .9rem; }
.invoice-project { padding: 8px 10px; border: 1px solid var(--rv-neutral-200); border-radius: 8px; background: #fff; }
.invoice-project p { margin-top: 0; font-size: .82rem; line-height: 1.35; }
.invoice-table { border: 1px solid var(--rv-neutral-200); border-radius: 0; overflow: hidden; }
.quote-header, .quote-row { display: grid; grid-template-columns: .42fr 2.15fr 1fr .95fr .72fr .95fr; gap: 10px; align-items: start; }
.quote-header { padding: 10px 14px; background: rgba(24,49,73,.05); color: var(--muted); font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.quote-header span:nth-child(1), .quote-row > span:nth-child(1) { text-align: center; }
.quote-header span:nth-child(4), .quote-header span:nth-child(5), .quote-header span:nth-child(6), .quote-row > strong, .quote-row > .quote-rate { text-align: right; }
.quote-row { padding: 9px 14px; border-top: 1px solid rgba(24,49,73,.06); }
.quote-main strong, .quote-main span, .quote-row strong, .quote-row span { display: block; }
.quote-main strong { line-height: 1.2; }
.quote-main small { display: block; margin-top: 2px; color: var(--muted); line-height: 1.3; font-size: .75rem; }
.quote-qty { white-space: nowrap; }
.quote-index { font-weight: 700; color: var(--muted); }
.quote-rate { font-weight: 700; white-space: nowrap; }
.quote-family { display: flex; justify-content: space-between; gap: 16px; padding: 9px 14px; border-top: 1px solid rgba(24,49,73,.08); background: rgba(247,245,239,.8); font-size: .78rem; font-weight: 700; }
.quote-total-stack { border-top: 2px solid rgba(24,49,73,.08); background: rgba(24,49,73,.02); }
.quote-total-line { display: flex; justify-content: space-between; gap: 16px; padding: 11px 14px; font-weight: 700; }
.quote-total-line.grand-total { font-size: 1rem; border-top: 1px solid rgba(24,49,73,.08); background: rgba(24,49,73,.04); }
.quote-meta { padding: 10px 0 0; font-size: .84rem; }
.quote-meta p + p { margin-top: 4px; }
.invoice-footer { margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(24,49,73,.08); font-size: .8rem; color: var(--muted); display: grid; gap: 10px; }
.invoice-footer-note p { margin: 0; }
.invoice-legal-placeholder { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; padding-top: 6px; }
.invoice-legal-placeholder div { padding: 8px 10px; border: 1px dashed rgba(24,49,73,.16); border-radius: 8px; background: rgba(24,49,73,.02); }
.invoice-legal-placeholder span { display: block; font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.invoice-legal-placeholder strong { display: block; margin-top: 3px; font-size: .78rem; color: var(--text); font-weight: 600; }
.hint, .empty-state { line-height: 1.6; }
.hidden { display: none !important; }
.no-print {}
@media (max-width:1240px){ .hero-strip,.workspace,.double-panels,.grid-4,.grid-3{grid-template-columns:1fr 1fr;} .workspace{grid-template-columns:1fr;} .sticky-panel{position:static;} .steps-nav{grid-template-columns:repeat(3,minmax(0,1fr));} .lot-page-shell{grid-template-columns:1fr;} }
@media (max-width:860px){ .page-shell{padding:16px;} .topbar,.panel-header-split,.wizard-topline,.wizard-actions,.company-block,.lot-page-nav{flex-direction:column;align-items:stretch;} .topbar-actions,.wizard-buttons,.inline-tools{width:100%;} .topbar-actions .btn,.wizard-buttons .btn,.inline-tools .btn,.lot-page-nav .btn{flex:1;} .hero-strip,.double-panels,.grid-2,.grid-3,.grid-4,.result-grid,.health-grid,.validation-grid,.steps-nav,.quote-header,.quote-row,.rooms-head,.room-row-grid,.invoice-top,.invoice-meta-grid,.lot-card-bottom,.lot-page-head,.invoice-legal-placeholder{grid-template-columns:1fr;} .rooms-head{display:none;} }
@page { size: A4; margin: 12mm; }
@media print {
  html, body {
    width: auto;
    height: auto;
    background: #fff !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  body { margin: 0 !important; }
  .page-shell { max-width: none; padding: 0 !important; margin: 0 !important; }
  .workspace, .form-column { display: block !important; }
  .results-column { display: none !important; }
  .panel, .form-step[data-step="5"], .quote-preview, .invoice-table, .invoice-meta div { box-shadow: none !important; }
  .no-print, .wizard-header, .wizard-actions, .topbar, .hero-strip, .form-column > .panel:not(.form-step[data-step="5"]) { display: none !important; }
  .form-step[data-step="5"] {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 0 !important;
    background: transparent !important;
  }
  .panel-header, .panel-header-split { display: none !important; }
  .quote-preview {
    border: 0 !important;
    background: transparent !important;
    border-radius: 0 !important;
    overflow: visible !important;
    margin: 0 !important;
    page-break-after: avoid !important;
    break-after: avoid-page !important;
  }
  .invoice-document { padding: 18px !important; background: #fff !important; }
  .invoice-top, .invoice-section, .invoice-project, .invoice-table, .quote-total-stack, .quote-meta, .invoice-footer, .quote-row, .quote-family {
    break-inside: avoid-page;
    page-break-inside: avoid;
  }
}