:root {
  --paper: #e4dccb;
  --card: #f7f1e6;
  --ink: #1c1612;
  --muted: #5e564c;
  --line: #cfc3b0;
  --walnut: #241c16;
  --brass: #d7b56a;
  --brass-deep: #8a6424;
  --cream: #f6e7c4;
  --shadow: 0 22px 50px rgba(48, 32, 16, 0.12);
  --serif: "Fraunces", "Iowan Old Style", Palatino, Georgia, serif;
  --sans: "Sora", "Avenir Next", "Trebuchet MS", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='52' fill='none'%3E%3Cpath d='M0 40 L24 14 H38 L14 40 Z' stroke='%23d2c4ae' stroke-width='1'/%3E%3Cpath d='M38 14 H62 L76 40 H52 Z' stroke='%23d2c4ae' stroke-width='1'/%3E%3C/svg%3E");
}

button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
img, svg { display: block; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--walnut);
  color: var(--cream);
  padding: 8px 12px;
  z-index: 5;
}
.skip:focus { top: 12px; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 96px;
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-end;
  margin-bottom: 18px;
}

.brand { display: flex; gap: 14px; align-items: center; }
.mark { width: 46px; height: 46px; color: var(--brass-deep); flex: none; }

.eyebrow {
  margin: 0 0 4px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brass-deep);
  font-weight: 600;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 560;
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  letter-spacing: -0.035em;
  line-height: 0.92;
}

.deck {
  max-width: 68ch;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 1.02rem;
}

.top-actions { display: flex; gap: 8px; align-items: center; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 22px;
  align-items: start;
}

.panel {
  background: var(--card);
  border: 1px solid rgba(36, 28, 22, 0.06);
  border-radius: 22px;
  padding: 18px 18px 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-weight: 560;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.hint, .footnote, .fine {
  color: var(--muted);
  font-size: 0.92rem;
}
.hint { margin: 8px 0 0; }
.footnote { margin: 4px 4px 0; }
.examples { margin: 14px 0 0; }
.examples button, .textish {
  background: none;
  border: none;
  padding: 0;
  color: var(--brass-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.label {
  display: block;
  margin: 14px 0 8px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.patterns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.pattern {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
  text-align: left;
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 10px 8px;
  min-height: 78px;
}
.pattern svg { width: 100%; height: 28px; }
.pattern span { font-size: 0.82rem; font-weight: 500; }
.pattern[aria-pressed="true"] {
  background: var(--walnut);
  color: var(--cream);
  border-color: var(--walnut);
}

.segment { display: flex; flex-wrap: wrap; gap: 6px; }
.segment button, .add-row > button, .chips button, .ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  padding: 8px 12px;
}
.segment button[aria-pressed="true"] {
  background: var(--walnut);
  color: var(--cream);
  border-color: var(--walnut);
}
.ghost { border-radius: 999px; }

.add-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

.stack { margin-top: 4px; }

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span, .check span { font-size: 0.92rem; }
.field.slim { max-width: 220px; margin-top: 12px; }

input[type="number"], input[type="text"], select {
  width: 100%;
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  font-size: 16px;
}
input:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--brass-deep);
  outline-offset: 2px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 12px;
}
.check input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--walnut); }

.presets {
  margin-top: 12px;
  padding: 12px;
  border-radius: 16px;
  background: rgba(36, 28, 22, 0.04);
}

.surface {
  margin-top: 12px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.72);
  border: 1px solid var(--line);
}

.surface-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
}
.surface-head .name {
  flex: 1 1 160px;
  font-family: var(--serif);
  font-size: 1.25rem;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0 0 2px;
  border-bottom: 1px solid transparent;
}
.surface-head .name:focus { border-bottom-color: var(--line); outline: none; }

.tag, .area-chip {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}
.tag {
  color: var(--brass-deep);
  background: rgba(215, 181, 106, 0.2);
  border-radius: 999px;
  padding: 4px 8px;
}
.area-chip { color: var(--muted); margin-left: auto; font-variant-numeric: tabular-nums; }

.dims { margin-top: 12px; }
.subhead {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
  margin-top: 12px;
}
.subhead span { font-size: 0.84rem; color: var(--muted); }

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
  margin-top: 8px;
  align-items: end;
}

.prices { margin-top: 12px; }
.prices summary { cursor: pointer; font-weight: 600; }

#results {
  position: sticky;
  top: 16px;
  background: var(--walnut);
  color: #f3eee6;
  border-radius: 24px;
  padding: 22px 20px 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
#results::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 26px;
  height: 26px;
  border-top: 2px solid var(--brass);
  border-right: 2px solid var(--brass);
}

.live { margin: 0; }
.kicker {
  margin: 0;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--brass);
  font-weight: 600;
}
.figure {
  margin: 8px 0 0;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 520;
  font-size: clamp(3.2rem, 6vw, 4.6rem);
  letter-spacing: -0.04em;
  line-height: 0.88;
  color: var(--cream);
}
.figure span {
  font-style: normal;
  font-family: var(--sans);
  font-size: 1rem;
  letter-spacing: 0;
  color: #e6d3a4;
}
.sub, .insight, .tease, #results .fine, #results .hint {
  color: #d9cfc2;
}
.sub { margin: 10px 0 0; }
.insight {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--brass);
  color: var(--cream);
}
.tease { margin: 12px 0 0; font-size: 0.92rem; }

.room-name {
  margin: 16px 0 0;
  font-family: var(--serif);
  font-weight: 560;
  font-size: 1.12rem;
}
.row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 0;
  border-top: 1px solid rgba(243, 230, 196, 0.14);
  font-size: 0.92rem;
}
.row small { display: block; color: #cbbfae; font-weight: 400; margin-top: 2px; }
.row b { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.row.total { border-top-color: rgba(215, 181, 106, 0.55); margin-top: 4px; }
.row.total b, .is-current b { color: var(--brass); }
.is-current span { color: var(--cream); }

.compare { margin-top: 8px; }
.block-title {
  margin: 18px 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}

.notice, .warning {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.9rem;
}
.notice { background: rgba(215, 181, 106, 0.14); color: var(--cream); }
.warning { background: rgba(226, 140, 96, 0.16); color: #f3c7b0; }
.warning p, .notice p { margin: 0; }
.warning p + p, .notice p + p { margin-top: 6px; }

.copy {
  margin-top: 16px;
  width: 100%;
  border: 1px solid rgba(215, 181, 106, 0.45);
  background: transparent;
  color: var(--cream);
  border-radius: 999px;
  padding: 10px 14px;
}
.empty { margin: 8px 0; color: #d9cfc2; }

.mobile-bar {
  display: none;
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(12px + env(safe-area-inset-bottom));
  z-index: 4;
  background: var(--walnut);
  color: var(--cream);
  border: none;
  border-radius: 16px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  align-items: center;
  justify-content: space-between;
  font-family: var(--sans);
}
.mobile-bar strong {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.35rem;
  font-weight: 520;
}

@media (max-width: 980px) {
  .wrap { padding: 16px 16px 120px; }
  .layout { grid-template-columns: 1fr; }
  #results { position: static; }
  .mobile-bar { display: flex; }
  .patterns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .top { flex-direction: column; align-items: flex-start; margin-bottom: 8px; }
  .deck { margin-bottom: 12px; }
  .panel { padding: 14px; margin-bottom: 10px; }
  h1 { font-size: 2.35rem; }
}

@media (max-width: 640px) {
  .grid-2, .pair { grid-template-columns: 1fr; }
  .pair button { justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  body { background: white; }
  .no-print, .mobile-bar { display: none !important; }
  .layout { display: block; }
  #results {
    position: static;
    background: white;
    color: black;
    box-shadow: none;
    border: 1px solid #ccc;
  }
  .figure, .kicker, .insight, .row.total b, .is-current b, .block-title { color: black; }
  .sub, #results .fine, .row small, .tease { color: #333; }
  .notice, .warning { color: black; background: #f4f4f4; }
  .copy { display: none; }
}