:root {
  --black: #000000;
  --ink: #080b0c;
  --panel: #0d1213;
  --panel-2: #12191a;
  --line: #233033;
  --line-strong: #355055;
  --text: #edf4f4;
  --muted: #94a5a7;
  --cyan: #58f2f4;
  --orange: #f57404;
  --orange-soft: #2b1607;
  --green: #74e3ad;
  --red: #ff786c;
  --yellow: #ffd166;
  --radius: 18px;
  --top: calc(60px + env(safe-area-inset-top));
  --bottom: calc(72px + env(safe-area-inset-bottom));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--black);
  color: var(--text);
  overscroll-behavior: none;
}

body {
  min-height: 100vh;min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.text-large {
  font-size: 18px;
}

button,
input,
select {
  font: inherit;
}

button {
  color: inherit;
}

button,
[role="button"] {
  touch-action: manipulation;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

svg {
  display: block;
}

.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;
}

.boot {
  position: fixed;
  z-index: 200;
  top:0;right:0;bottom:0;left:0;inset:0;
  display: grid;
  place-content: center;
  gap: 22px;
  background: var(--black);
  transition: opacity 240ms ease, visibility 240ms ease;
}

.boot.is-gone {
  opacity: 0;
  visibility: hidden;
}

.boot p {
  margin: 0;
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-align: center;
}

.app {
  min-height: 100vh;min-height: 100dvh;
  background:
    linear-gradient(rgba(88, 242, 244, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 242, 244, 0.018) 1px, transparent 1px),
    var(--black);
  background-size: 24px 24px;
}

.topbar {
  position: fixed;
  z-index: 40;
  top: 0;
  left: 0;
  right: 0;
  height: var(--top);
  padding: env(safe-area-inset-top) 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.94);
  border-bottom: 1px solid rgba(88, 242, 244, 0.16);
  backdrop-filter: blur(14px);
}

.brand-button {
  min-width: 0;
  padding: 5px 0;
  display: flex;
  align-items: center;
  gap: 11px;
  border: 0;
  background: transparent;
  text-align: left;
}

.brand-button strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.05;
}

.brand-button small {
  display: block;
  margin-top: 3px;
  color: var(--orange);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0.055em;
}

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 35px;
  height: 35px;
}

.brand-mark--medium {
  width: 54px;
  height: 54px;
}

.brand-mark--large {
  width: 104px;
  height: 104px;
  margin: auto;
}

.brand-corner,
.brand-room,
.brand-dim {
  position: absolute;
  display: block;
}

.brand-corner {
  left: 6%;
  top: 8%;
  width: 64%;
  height: 64%;
  border-top: max(2px, 0.08em) solid var(--cyan);
  border-left: max(2px, 0.08em) solid var(--cyan);
}

.brand-room {
  left: 28%;
  top: 29%;
  width: 40%;
  height: 38%;
  border: max(2px, 0.065em) solid var(--orange);
}

.brand-dim {
  left: 8%;
  right: 8%;
  bottom: 8%;
  height: 2px;
  background: var(--orange);
}

.brand-dim::before,
.brand-dim::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transform: translateY(-50%);
}

.brand-dim::before {
  left: 0;
  border-right: 8px solid var(--orange);
}

.brand-dim::after {
  right: 0;
  border-left: 8px solid var(--orange);
}

.icon-button {
  width: 44px;
  height: 44px;
  padding: 10px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.icon-button svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.main {
  min-height: 100vh;min-height: 100dvh;
  padding: calc(var(--top) + 18px) 16px calc(var(--bottom) + 24px);
}

.view {
  display: none;
  max-width: 1040px;
  margin: 0 auto;
  animation: view-in 180ms ease;
}

.view.is-active {
  display: block;
}

@keyframes view-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--orange);
  font-size: 0.69rem;
  font-weight: 850;
  letter-spacing: 0.15em;
}

.home-hero {
  position: relative;
  overflow: hidden;
  padding: 25px 20px 20px;
  border: 1px solid rgba(88, 242, 244, 0.3);
  border-radius: 24px;
  background:
    linear-gradient(145deg, rgba(88, 242, 244, 0.08), transparent 45%),
    var(--panel);
}

.home-hero::after {
  content: "";
  position: absolute;
  right: -56px;
  top: -54px;
  width: 150px;
  height: 150px;
  border: 1px solid rgba(245, 116, 4, 0.35);
  transform: rotate(45deg);
  pointer-events: none;
}

.home-hero h1,
.page-title h1 {
  margin: 0;
  max-width: 680px;
  color: var(--text);
  font-size: clamp(1.65rem, 8vw, 2.7rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.home-hero > p:not(.eyebrow) {
  position: relative;
  z-index: 1;
  max-width: 620px;
  margin: 13px 0 20px;
  color: #bdc9ca;
  font-size: 0.92rem;
  line-height: 1.55;
}

.search-launch {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 52px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 11px;
  border: 1px solid var(--line-strong);
  border-radius: 15px;
  background: #080d0e;
  color: var(--muted);
  text-align: left;
}

.search-launch svg,
.search-field svg {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.8;
  stroke-linecap: round;
}

.hero-stats {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.hero-stats div {
  padding: 14px 8px 0;
  border-right: 1px solid var(--line);
  text-align: center;
}

.hero-stats div:last-child {
  border-right: 0;
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  color: var(--cyan);
  font-size: 1.05rem;
}

.hero-stats span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.64rem;
}

.section-heading {
  margin: 30px 2px 14px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.24rem;
  letter-spacing: -0.02em;
}

.text-button {
  padding: 7px 0;
  border: 0;
  background: transparent;
  color: var(--cyan);
  font-size: 0.77rem;
  font-weight: 750;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.category-card {
  position: relative;
  min-height: 114px;
  padding: 15px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--panel);
  text-align: left;
}

.category-card::after {
  content: attr(data-code);
  position: absolute;
  right: 9px;
  bottom: -13px;
  color: rgba(88, 242, 244, 0.055);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
}

.category-card span {
  position: relative;
  z-index: 1;
  display: block;
}

.category-card .category-code {
  width: fit-content;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--orange);
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.category-card .category-name {
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 760;
  line-height: 1.2;
}

.category-card .category-count {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.67rem;
}

.card-list {
  display: grid;
  gap: 10px;
}

.measure-card {
  width: 100%;
  min-height: 116px;
  padding: 0;
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr) 32px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--panel);
  text-align: left;
}

.measure-card:active {
  border-color: rgba(88, 242, 244, 0.65);
  transform: translateY(1px);
}

.card-sketch {
  position: relative;
  min-height: 116px;
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line);
  background:
    linear-gradient(rgba(88, 242, 244, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 242, 244, 0.04) 1px, transparent 1px),
    #080c0d;
  background-size: 12px 12px;
}

.card-sketch svg {
  width: 94px;
  height: 94px;
}

.card-sketch svg .wall,
.card-sketch svg .object {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.card-sketch svg .object {
  stroke: rgba(237, 244, 244, 0.7);
  stroke-width: 1.4;
}

.card-sketch svg .accent {
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.card-sketch svg .fill-accent {
  fill: rgba(245, 116, 4, 0.14);
  stroke: var(--orange);
}

.card-sketch svg text {
  fill: var(--orange);
  font-size: 8px;
  font-weight: 750;
}

.card-copy {
  min-width: 0;
  padding: 13px 9px 13px 13px;
}

.card-copy .level {
  margin-bottom: 7px;
}

.card-copy h3 {
  margin: 0;
  display: -webkit-box;
  overflow: hidden;
  color: var(--text);
  font-size: 0.93rem;
  line-height: 1.2;
  letter-spacing: -0.012em;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-copy p {
  margin: 7px 0 0;
  color: var(--cyan);
  font-size: 0.73rem;
  font-weight: 690;
  line-height: 1.28;
}

.card-arrow {
  align-self: center;
  color: var(--orange);
  font-size: 1.35rem;
}

.level {
  width: fit-content;
  padding: 4px 7px;
  display: inline-block;
  border: 1px solid;
  border-radius: 999px;
  font-size: 0.53rem;
  font-weight: 850;
  letter-spacing: 0.085em;
  line-height: 1;
}

.level--code {
  border-color: rgba(116, 227, 173, 0.45);
  background: rgba(116, 227, 173, 0.09);
  color: var(--green);
}

.level--rec {
  border-color: rgba(88, 242, 244, 0.42);
  background: rgba(88, 242, 244, 0.08);
  color: var(--cyan);
}

.level--var {
  border-color: rgba(255, 209, 102, 0.42);
  background: rgba(255, 209, 102, 0.08);
  color: var(--yellow);
}

.scope-card {
  margin-top: 20px;
  padding: 16px;
  display: flex;
  gap: 13px;
  border: 1px solid rgba(245, 116, 4, 0.38);
  border-radius: 17px;
  background: var(--orange-soft);
}

.scope-line {
  width: 3px;
  flex: 0 0 auto;
  align-self: stretch;
  border-radius: 3px;
  background: var(--orange);
}

.scope-card strong {
  font-size: 0.84rem;
}

.scope-card p {
  margin: 5px 0 0;
  color: #cdb9aa;
  font-size: 0.74rem;
  line-height: 1.48;
}

.page-title {
  padding: 11px 2px 18px;
}

.page-title p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.sticky-tools {
  position: sticky;
  z-index: 10;
  top: calc(var(--top) - 1px);
  margin: 0 -16px 14px;
  padding: 10px 16px 10px;
  background: rgba(0, 0, 0, 0.95);
  border-bottom: 1px solid rgba(88, 242, 244, 0.12);
  backdrop-filter: blur(12px);
}

.search-field {
  min-height: 50px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line-strong);
  border-radius: 15px;
  background: var(--panel);
}

.search-field:focus-within {
  border-color: rgba(88, 242, 244, 0.75);
}

.search-field input {
  width: 100%;
  min-width: 0;
  height: 46px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.84rem;
}

.search-field input::placeholder {
  color: #718184;
}

.clear-search {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 10px;
  background: #192224;
  color: var(--muted);
  font-size: 1.25rem;
}

.chip-row {
  margin-top: 10px;
  padding-bottom: 2px;
  display: flex;
  gap: 7px;
  overflow-x: auto;
  scrollbar-width: none;
}

.chip-row::-webkit-scrollbar {
  display: none;
}

.filter-chip {
  min-height: 35px;
  padding: 0 12px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 720;
  white-space: nowrap;
}

.filter-chip.is-active {
  border-color: var(--orange);
  background: var(--orange);
  color: #100802;
}

.empty-state {
  max-width: 420px;
  margin: 32px auto;
  padding: 32px 22px;
  border: 1px dashed var(--line-strong);
  border-radius: 20px;
  text-align: center;
}

.empty-state svg {
  width: 42px;
  height: 42px;
  margin: 0 auto 16px;
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.5;
}

.empty-symbol {
  display: block;
  margin-bottom: 12px;
  color: var(--orange);
  font-size: 2.6rem;
}

.empty-state h2 {
  margin: 0;
  font-size: 1.1rem;
}

.empty-state p {
  margin: 8px 0 18px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.primary-button,
.outline-button {
  min-height: 48px;
  padding: 0 17px;
  border-radius: 14px;
  font-size: 0.78rem;
  font-weight: 830;
}

.primary-button {
  border: 1px solid var(--orange);
  background: var(--orange);
  color: #110800;
}

.outline-button {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--cyan);
}

.full {
  width: 100%;
}

.tool-card,
.guide-card,
.legal-card {
  position: relative;
  margin-bottom: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}

.tool-card {
  overflow: hidden;
}

.tool-number {
  position: absolute;
  right: 14px;
  top: 6px;
  color: rgba(88, 242, 244, 0.08);
  font-size: 3.8rem;
  font-weight: 950;
  line-height: 1;
}

.tool-title {
  position: relative;
  z-index: 1;
  margin-bottom: 18px;
  padding-right: 34px;
}

.tool-title h2,
.guide-card h2,
.legal-card h2 {
  margin: 0;
  font-size: 1.06rem;
  letter-spacing: -0.02em;
}

.tool-title p,
.guide-copy {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.45;
}

.field-label,
.input-grid label > span {
  display: block;
  margin: 0 0 6px 2px;
  color: #b7c4c5;
  font-size: 0.67rem;
  font-weight: 700;
}

.control {
  width: 100%;
  min-height: 48px;
  margin-bottom: 12px;
  padding: 0 40px 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  outline: 0;
  background: #080d0e;
  color: var(--text);
  font-size: 0.78rem;
}

.control.compact {
  margin: 0;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 13px;
}

.number-control {
  height: 48px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: #080d0e;
}

.number-control input {
  width: 100%;
  min-width: 0;
  height: 46px;
  padding: 0 4px 0 12px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.9rem;
}

.number-control b {
  padding: 0 10px;
  color: var(--cyan);
  font-size: 0.65rem;
  font-weight: 780;
}

.result-panel {
  display: none;
  margin-top: 13px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #070b0c;
}

.result-panel.has-result {
  display: block;
}

.result-panel.is-good {
  border-color: rgba(116, 227, 173, 0.45);
}

.result-panel.is-warn {
  border-color: rgba(255, 209, 102, 0.45);
}

.result-panel.is-bad {
  border-color: rgba(255, 120, 108, 0.45);
}

.result-kicker {
  margin: 0 0 5px;
  font-size: 0.62rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.is-good .result-kicker { color: var(--green); }
.is-warn .result-kicker { color: var(--yellow); }
.is-bad .result-kicker { color: var(--red); }

.result-panel h3 {
  margin: 0;
  font-size: 1rem;
}

.result-panel p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.48;
}

.result-values {
  margin-top: 11px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.result-values div {
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 11px;
}

.result-values b,
.result-values span {
  display: block;
}

.result-values b {
  color: var(--cyan);
  font-size: 0.92rem;
}

.result-values span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.6rem;
}

.tool-disclaimer {
  margin: 18px 10px 0;
  color: #6f7f81;
  font-size: 0.66rem;
  line-height: 1.5;
  text-align: center;
}

.manual-steps {
  margin: 17px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: manual;
}

.manual-steps li {
  position: relative;
  min-height: 53px;
  padding: 0 0 14px 47px;
  counter-increment: manual;
}

.manual-steps li::before {
  content: counter(manual, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(88, 242, 244, 0.42);
  border-radius: 10px;
  color: var(--cyan);
  font-size: 0.62rem;
  font-weight: 850;
}

.manual-steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 37px;
  bottom: 2px;
  width: 1px;
  background: var(--line);
}

.manual-steps b,
.manual-steps span {
  display: block;
}

.manual-steps b {
  font-size: 0.8rem;
}

.manual-steps span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.45;
}

.legend-list {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.legend-list p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.45;
}

.setting-row {
  padding: 15px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.setting-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.setting-row strong {
  font-size: 0.78rem;
}

.setting-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.66rem;
  line-height: 1.35;
}

.segmented {
  padding: 3px;
  display: flex;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #070a0b;
}

.segmented button {
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 750;
}

.segmented button.is-active {
  background: var(--orange);
  color: #120900;
}

.source-list {
  margin-top: 14px;
  display: grid;
  gap: 7px;
}

.source-list button {
  min-height: 46px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #080d0e;
  color: #c9d4d5;
  font-size: 0.7rem;
  text-align: left;
}

.source-list span {
  color: var(--orange);
  font-size: 1rem;
}

.guide-card--brand {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  border-color: rgba(88, 242, 244, 0.35);
  background:
    linear-gradient(135deg, rgba(88, 242, 244, 0.07), transparent),
    var(--panel);
}

.guide-card--brand p:not(.eyebrow) {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.42;
}

.guide-card--brand .primary-button,
.guide-card--brand .outline-button {
  grid-column: 1 / -1;
}

.guide-card--brand .outline-button {
  margin-top: -6px;
}

.legal-card {
  background: #06090a;
}

.legal-card p {
  color: #7f8d8f;
  font-size: 0.67rem;
  line-height: 1.55;
}

.legal-card strong {
  color: var(--orange);
  font-size: 0.72rem;
}

.bottom-nav {
  position: fixed;
  z-index: 45;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--bottom);
  padding: 6px 6px env(safe-area-inset-bottom);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(3, 5, 6, 0.97);
  border-top: 1px solid rgba(88, 242, 244, 0.18);
  backdrop-filter: blur(15px);
}

.bottom-nav button {
  min-width: 0;
  padding: 6px 1px;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 3px;
  border: 0;
  border-radius: 13px;
  background: transparent;
  color: #738285;
}

.bottom-nav button.is-active {
  background: rgba(88, 242, 244, 0.07);
  color: var(--cyan);
}

.bottom-nav svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bottom-nav span {
  overflow: hidden;
  font-size: 0.57rem;
  font-weight: 740;
  text-overflow: ellipsis;
}

.overlay,
.detail-overlay,
.onboarding {
  position: fixed;
  z-index: 100;
  top:0;right:0;bottom:0;left:0;inset:0;
  background: var(--black);
}

[hidden] {
  display: none !important;
}

.overlay-head {
  height: var(--top);
  padding: env(safe-area-inset-top) 12px 0;
  display: flex;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid var(--line);
}

.overlay-head .icon-button {
  flex: 0 0 auto;
}

.search-field--overlay {
  width: 100%;
  border: 0;
  background: transparent;
}

.search-field--overlay input {
  font-size: 0.94rem;
}

.overlay-body {
  height: calc(100vh - var(--top));height: calc(100dvh - var(--top));
  padding: 18px 16px calc(24px + env(safe-area-inset-bottom));
  overflow-y: auto;
}

.search-prompt {
  max-width: 720px;
  margin: 10px auto;
}

.suggestion-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.suggestion-list button {
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: #bdc8c9;
  font-size: 0.7rem;
}

.overlay-body > .card-list {
  max-width: 720px;
  margin: 0 auto;
}

.detail-overlay {
  display: grid;
  align-items: end;
  background: rgba(0, 0, 0, 0.76);
}

.detail-sheet {
  width: 100%;
  max-height: 100vh;max-height: 100dvh;
  overflow: hidden;
  border-radius: 24px 24px 0 0;
  background: var(--black);
  border: 1px solid var(--line);
  border-bottom: 0;
  animation: sheet-up 220ms ease;
}

@keyframes sheet-up {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.detail-toolbar {
  height: var(--top);
  padding: env(safe-area-inset-top) 12px 0;
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
}

.detail-toolbar > span {
  color: var(--orange);
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-align: center;
}

.favorite-button.is-active svg {
  fill: var(--orange);
  stroke: var(--orange);
}

.detail-content {
  height: calc(100vh - var(--top));height: calc(100dvh - var(--top));
  padding: 19px 16px calc(28px + env(safe-area-inset-bottom));
  overflow-y: auto;
}

.detail-head {
  max-width: 760px;
  margin: 0 auto 16px;
}

.detail-head .detail-category {
  color: var(--cyan);
  font-size: 0.68rem;
  font-weight: 740;
}

.detail-head h1 {
  margin: 7px 0 9px;
  font-size: clamp(1.5rem, 7vw, 2.25rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.detail-head > p {
  margin: 11px 0 0;
  color: #acbbbc;
  font-size: 0.79rem;
  line-height: 1.5;
}

.diagram-panel {
  max-width: 760px;
  margin: 0 auto 14px;
  padding: 12px;
  overflow: hidden;
  border: 1px solid rgba(88, 242, 244, 0.28);
  border-radius: 20px;
  background:
    linear-gradient(rgba(88, 242, 244, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 242, 244, 0.035) 1px, transparent 1px),
    #070b0c;
  background-size: 16px 16px;
}

.diagram-panel svg {
  width: 100%;
  max-height: 330px;
  aspect-ratio: 16 / 10;
}

.diagram-panel .wall {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2.5;
  vector-effect: non-scaling-stroke;
}

.diagram-panel .object {
  fill: rgba(237, 244, 244, 0.02);
  stroke: rgba(237, 244, 244, 0.68);
  stroke-width: 1.6;
  vector-effect: non-scaling-stroke;
}

.diagram-panel .accent {
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.7;
  vector-effect: non-scaling-stroke;
}

.diagram-panel .fill-accent {
  fill: rgba(245, 116, 4, 0.13);
  stroke: var(--orange);
  stroke-width: 1.6;
}

.diagram-panel .dash {
  stroke-dasharray: 6 5;
}

.diagram-panel text {
  fill: var(--text);
  font-size: 10px;
  font-weight: 650;
}

.diagram-panel text.dim-text {
  fill: var(--orange);
  font-size: 11px;
  font-weight: 850;
}

.diagram-caption {
  margin: 8px 4px 0;
  color: #718083;
  font-size: 0.61rem;
  line-height: 1.4;
  text-align: center;
}

.dimensions-grid {
  max-width: 760px;
  margin: 0 auto 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.dimension-box {
  min-height: 76px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.dimension-box span,
.dimension-box b {
  display: block;
}

.dimension-box span {
  color: var(--muted);
  font-size: 0.61rem;
  line-height: 1.25;
}

.dimension-box b {
  margin-top: 7px;
  color: var(--cyan);
  font-size: 0.92rem;
  line-height: 1.22;
}

.detail-block {
  max-width: 760px;
  margin: 0 auto 10px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.detail-block h2 {
  margin: 0;
  color: var(--orange);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
}

.detail-block p {
  margin: 8px 0 0;
  color: #a9b7b8;
  font-size: 0.72rem;
  line-height: 1.52;
}

.source-button {
  width: 100%;
  margin-top: 11px;
  padding: 10px 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #070b0c;
  color: var(--cyan);
  font-size: 0.68rem;
  text-align: left;
}

.detail-actions {
  max-width: 760px;
  margin: 16px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.onboarding {
  padding: max(18px, env(safe-area-inset-top)) 18px max(18px, env(safe-area-inset-bottom));
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 80% 8%, rgba(88, 242, 244, 0.1), transparent 30%),
    var(--black);
}

.onboarding-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  padding: 22px;
  border: 1px solid rgba(88, 242, 244, 0.32);
  border-radius: 24px;
  background: var(--panel);
}

.onboarding-skip {
  position: absolute;
  z-index: 1;
  right: 13px;
  top: 13px;
  min-height: 36px;
  padding: 0 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.7rem;
}

.onboarding-visual {
  height: 220px;
  margin-bottom: 19px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(rgba(88, 242, 244, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88, 242, 244, 0.045) 1px, transparent 1px),
    #070b0c;
  background-size: 14px 14px;
}

.onboarding-visual svg {
  width: 85%;
  height: 85%;
}

.onboarding-visual .wall,
.onboarding-visual .object {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.onboarding-visual .object {
  stroke: rgba(237, 244, 244, 0.68);
  stroke-width: 1.5;
}

.onboarding-visual .accent {
  fill: none;
  stroke: var(--orange);
  stroke-width: 1.6;
  vector-effect: non-scaling-stroke;
}

.onboarding-visual .fill-accent {
  fill: rgba(245, 116, 4, 0.14);
  stroke: var(--orange);
}

.onboarding-visual text {
  fill: var(--text);
  font-size: 10px;
  font-weight: 700;
}

.onboarding-visual .dim-text {
  fill: var(--orange);
  font-size: 11px;
  font-weight: 850;
}

.onboarding-card h1 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.onboarding-card > p:not(.eyebrow) {
  min-height: 52px;
  margin: 10px 0 16px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.48;
}

.dots {
  margin-bottom: 17px;
  display: flex;
  gap: 6px;
}

.dots span {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--line-strong);
  transition: width 160ms ease, background 160ms ease;
}

.dots span.is-active {
  width: 24px;
  background: var(--orange);
}

.toast {
  position: fixed;
  z-index: 160;
  left: 50%;
  bottom: calc(var(--bottom) + 14px);
  max-width: calc(100% - 32px);
  padding: 11px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: #172022;
  color: var(--text);
  font-size: 0.73rem;
  line-height: 1.35;
  text-align: center;
  opacity: 0;
  transform: translate(-50%, 14px);
  pointer-events: none;
  transition: 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (min-width: 680px) {
  .main {
    padding-left: 24px;
    padding-right: 24px;
  }

  .category-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .card-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-hero {
    padding: 34px;
  }

  .home-hero h1 {
    max-width: 540px;
  }

  .search-launch {
    max-width: 560px;
  }

  .hero-stats {
    max-width: 560px;
  }

  .tool-card,
  .guide-card,
  .legal-card {
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }

  .detail-overlay {
    align-items: center;
    padding: 24px;
  }

  .detail-sheet {
    max-width: 860px;
    max-height: calc(100vh - 48px);max-height: calc(100dvh - 48px);
    border-radius: 24px;
    border-bottom: 1px solid var(--line);
  }

  .detail-content {
    height: calc(100vh - var(--top) - 48px);height: calc(100dvh - var(--top) - 48px);
  }

  .overlay-body > .card-list {
    grid-template-columns: 1fr;
  }
}

@media (orientation: landscape) and (max-height: 560px) {
  :root {
    --top: calc(52px + env(safe-area-inset-top));
    --bottom: calc(58px + env(safe-area-inset-bottom));
  }

  .brand-button small {
    display: none;
  }

  .bottom-nav {
    padding-top: 2px;
  }

  .bottom-nav button {
    display: flex;
    gap: 6px;
  }

  .onboarding-card {
    max-width: 780px;
    display: grid;
    grid-template-columns: 44% 1fr;
    column-gap: 22px;
  }

  .onboarding-visual {
    grid-row: 1 / 7;
    height: 100%;
    min-height: 260px;
  }

  .onboarding-skip {
    right: 11px;
    top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Technical drawing hierarchy: structural outline, furniture, clear zones, dimensions. */
.technical-drawing { shape-rendering: geometricPrecision; }
.technical-drawing path,.technical-drawing rect,.technical-drawing circle,.technical-drawing ellipse,.technical-drawing line { vector-effect: non-scaling-stroke; stroke-linecap:round; stroke-linejoin:round; }
.technical-drawing .wall-fill { fill:#203c3e;stroke:#58F2F4;stroke-width:1.4; }
.technical-drawing .floor-fill { fill:#0b1418;stroke:#58F2F4;stroke-width:1.1; }
.technical-drawing .furniture-fill {fill:#193139;stroke:#d0e0e4;stroke-width:1.25;}
.technical-drawing .soft-fill {fill:#253e46;stroke:#b9d4db;stroke-width:1.05;}
.technical-drawing .glass-fill {fill:#12464c;stroke:#58F2F4;stroke-width:0.9;}
.technical-drawing .detail-line {fill:none;stroke:#91afb8;stroke-width:0.85;}
.technical-drawing .ground {fill:none;stroke:#c4d7db;stroke-width:1.8;}
.technical-drawing .human-fill {fill:#29484d;stroke:#c8e4e6;stroke-width:1.1;}
.technical-drawing .clear-zone {fill:none;stroke:#58F2F4;stroke-width:1;stroke-dasharray:5 4;}
.technical-drawing .clear-fill {fill:rgba(88,242,244,0.06);stroke:#58F2F4;stroke-width:1.2;stroke-dasharray:5 4;}
.technical-drawing .door-swing {fill:none;stroke:#58F2F4;stroke-width:1.25;}
.technical-drawing .center-line {fill:none;stroke:#6d888f;stroke-width:0.7;stroke-dasharray:9 3 2 3;}
.technical-drawing .extension {fill:none;stroke:#7d8e92;stroke-width:0.75;}
.technical-drawing .dim-line,.technical-drawing .dim-tick {fill:none;stroke:#F57404;stroke-width:1;}
.technical-drawing .dim-mask {fill:#0b1418;stroke:none;}
.diagram-panel .technical-drawing .dim-text {fill:#ffab60;font-size:12px;font-weight:700;}
.diagram-panel .technical-drawing .view-label {fill:#82a4ad;font-size:9px;font-weight:600;letter-spacing:1px;}
.diagram-panel .technical-drawing .diagram-note {fill:#bfd2d8;font-size:12px;}
.card-sketch .technical-drawing text,.card-sketch .technical-drawing .dimension {display:none;}
.card-sketch .technical-drawing .wall-fill {stroke-width:1;}
.diagram-panel {background-color:#0b1418;background-size:24px 24px;padding:10px 8px;}
.diagram-panel svg {max-height:440px;aspect-ratio:18/11;}

/* Metric plates use one uniform scale in both directions. */
.diagram-panel svg.metric-sheet { aspect-ratio:26/19; max-height:620px; }
.metric-sheet .metric-text {fill:#ffc184;font-size:14px;font-weight:700;paint-order:stroke;stroke:#0b1418;stroke-width:5px;stroke-linejoin:round;}
.metric-sheet .sheet-heading,.metric-sheet .sheet-unit {fill:#92b6bf;font-size:11px;font-weight:650;letter-spacing:.5px;}
.metric-sheet .drawing-label {fill:#c5dde1;font-size:12px;paint-order:stroke;stroke:#0b1418;stroke-width:4px;}
.metric-sheet .drawing-info {fill:#c5dde1;font-size:13px;}
.metric-sheet .wall {fill:none;stroke:#58F2F4;stroke-width:2.2;}
.metric-sheet .object {fill:none;stroke:#cbdfe3;stroke-width:1.25;}
.metric-sheet .accent {fill:none;stroke:#F57404;stroke-width:1.35;}
.metric-sheet .ground {stroke-width:1.7;}
.card-sketch .metric-sheet .metric-dimension {display:none;}
.drawing-viewer {position:fixed;top:0;right:0;bottom:0;left:0;inset:0;z-index:1000;background:#0b1418;display:flex;flex-direction:column;padding:12px;gap:8px;}
.drawing-viewer-controls {display:flex;align-items:center;justify-content:space-between;gap:5px;flex:none;}
.drawing-viewer-controls button {color:#dce8ea;border:1px solid #3f6469;background:#193139;border-radius:10px;min-height:44px;padding:8px 12px;font:inherit;}
.drawing-viewer-controls [data-plus],.drawing-viewer-controls [data-minus] {color:#58F2F4;font-size:22px;min-width:44px;}
.drawing-viewer-scroll {overflow:auto;flex:1;touch-action:pan-x pan-y;overscroll-behavior:contain;}
.drawing-viewer-sheet.diagram-panel {border:0;padding:0;margin:0;min-width:100%;}
.drawing-viewer-sheet svg.metric-sheet {width:100%;height:auto;max-height:none;}
.drawing-viewer-note {font-size:12px;line-height:1.45;color:#b3ced2;margin:0;flex:none;max-height:25vh;overflow:auto;}

/* Clear line hierarchy: measured edges, dimension marks and auxiliary lines. */
.metric-sheet .dim-line,.metric-sheet .dim-tick {stroke:#ffc184;stroke-width:1.2;fill:none;}
.metric-sheet .extension {stroke:#749098;stroke-width:.7;fill:none;}
.diagram-panel:has(.metric-sheet) {background-image:none;}
#searchCount {color:#bfd2d8;font-size:14px;margin:8px 0 16px;}
#searchCount:empty {display:none;}
#resetCatalog {margin-top:14px;min-height:44px;}
/* v1.1 · approved BrandChrome navigation; native status bar sits outside WebView. */
:root{--bottom:calc(88px + env(safe-area-inset-bottom))}
.category-card::after{content:none;display:none}
.home-hero::after{display:none}
.bottom-nav{height:var(--bottom);background:#111111;padding:6px 8px calc(8px + env(safe-area-inset-bottom));gap:4px}
.bottom-nav button{height:74px;border:1px solid transparent;border-radius:14px;color:#BBBBBB;gap:6px;padding:9px 1px 7px}
.bottom-nav button.is-active{background:#203032;border-color:#397274;color:#58F2F4}
.bottom-nav button:active{background:#254648}
.bottom-nav svg{width:25px;height:25px}
.bottom-nav span{font-size:11px;line-height:1.1;font-weight:700}
.export-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}
.export-actions button{min-height:48px}
.drawing-viewer{padding:10px;background:#0b1418;gap:8px}
.viewer-title{font-size:16px;line-height:1.25;margin:0;color:#edf4f4;flex:none}
.drawing-viewer-scroll{position:relative;overflow:hidden;touch-action:none;min-height:160px;border:1px solid #355055;border-radius:16px;cursor:grab;background:#101c21;display:flex;align-items:center}
.drawing-viewer-sheet.diagram-panel{width:100%;min-width:100%;transform-origin:0 0;background:transparent;will-change:transform;flex:none}
.drawing-viewer-sheet svg.metric-sheet{display:block}
.drawing-viewer-controls button{min-height:48px;padding:6px 10px}
.drawing-viewer .export-actions{margin:0;flex:none}
.drawing-viewer-note{max-height:60px;font-size:11px}
.measure-inspector{margin:0;font-size:13px;line-height:1.4;color:#d2e6e9;min-height:36px}
.selected-dimension .dim-line,.selected-dimension .dim-tick{stroke:#58F2F4;stroke-width:2.2}
.selected-dimension .metric-text{fill:#58F2F4}
.metric-dimension{cursor:pointer}.metric-dimension:focus{outline:none}.metric-dimension:focus .metric-text{fill:#58F2F4}
.dimension-hit{fill:none;stroke:transparent;stroke-width:24px;pointer-events:stroke}
.viewer-custom details{font-size:13px;border:1px solid #355055;border-radius:12px;padding:8px 12px;max-height:26vh;overflow:auto}
.viewer-custom summary{color:#58F2F4;min-height:32px;cursor:pointer;line-height:32px;font-weight:700}
.viewer-custom p{font-size:12px;margin:5px 0}.stair-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stair-controls label{font-size:11px}.stair-controls input{width:100%;min-height:44px;padding:5px;font-size:16px;color:white;background:#17262c;border:1px solid #52717a;border-radius:8px}
@media(max-height:650px) and (orientation:landscape){.drawing-viewer{display:grid;grid-template-columns:minmax(0,1fr) 240px;grid-template-rows:auto 1fr auto}.drawing-viewer-controls{grid-column:1 / -1}.viewer-title{display:none}.drawing-viewer-scroll{grid-row:2/5}.viewer-custom details{max-height:120px}.drawing-viewer-note{max-height:42px}}

.brand-mark{background:url("brand-icon.svg") center/contain no-repeat}.brand-mark>span{display:none}

.drawing-viewer-scroll{user-select:none;-webkit-user-select:none;}