:root {
  color-scheme: light;
  --brand: #3570ac;
  --brand-dark: #24538a;
  --ink: #12161c;
  --muted: #3b4452;
  --disabled-text: #6b7280;
  --page: #f2f5f9;
  --surface: #ffffff;
  --border: #d5dde7;
  --clear-fill: #e3eaf3;
  --error: #b91c1c;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--page);
  color: var(--ink);
  font-family: 'Archivo', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

input::placeholder {
  font-family: 'Archivo', sans-serif;
  font-weight: 500;
  font-size: 20px;
  color: var(--disabled-text);
}

.app-header {
  background: var(--brand);
  color: #fff;
  padding: 20px 20px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.app-logo {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  border: 2px solid #fff;
  display: block;
  flex: none;
}

.qr-btn {
  margin-left: auto;
  padding: 0;
  width: 56px;
  height: 56px;
  flex: none;
  border: 2px solid #fff;
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
  cursor: zoom-in;
}

.qr-btn img { width: 100%; height: 100%; display: block; }

.qr-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.8);
  cursor: zoom-out;
}

.qr-overlay[hidden] { display: none; }

.qr-overlay img {
  width: min(100%, calc(100dvh - 32px));
  max-width: calc(100vw - 32px);
  aspect-ratio: 1;
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
  image-rendering: pixelated;
}

.app-heading {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.app-eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.app-header h1 {
  margin: 0;
  font-family: 'Anton', 'Impact', sans-serif;
  font-weight: 400;
  font-size: 32px;
  line-height: 1;
  letter-spacing: 0.01em;
}

main {
  max-width: 480px;
  margin: 0 auto;
  padding: 18px 20px 48px;
}

.field {
  margin-bottom: 16px;
}

label,
.label {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.combo {
  position: relative;
}

.combo-row {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 2px solid var(--brand);
  border-radius: 14px;
  padding-right: 8px;
}

.combo-row input {
  flex: 1;
  min-width: 0;
  height: 58px;
  border: 0;
  outline: none;
  padding: 0 16px;
  font-family: 'Archivo Black', sans-serif;
  font-size: 30px;
  color: var(--ink);
  background: transparent;
  border-radius: 14px;
  appearance: none;
  -webkit-appearance: none;
}

.clear-btn {
  flex: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 22px;
  background: var(--clear-fill);
  color: var(--brand-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.clear-btn:hover,
.clear-btn:active {
  background: var(--brand);
  color: #fff;
}

.clear-btn[hidden] {
  display: none;
}

.street-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: var(--surface);
  border-radius: 14px;
  padding: 6px;
  border: 1px solid var(--border);
}

.street-option {
  min-height: 50px;
  font: inherit;
  font-family: 'Archivo', sans-serif;
  font-size: 17px;
  font-weight: 700;
  padding: 10px 8px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--ink);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}

.street-option:disabled {
  cursor: default;
}

.street-check {
  display: none;
  flex: none;
}

.street-caption {
  display: none;
  font-size: 11px;
  font-weight: 600;
}

.street-option.selected {
  background: var(--brand);
  color: #fff;
}

.street-option.selected .street-check {
  display: inline-flex;
}

.street-option.invalid {
  flex-direction: column;
  gap: 0;
  color: var(--disabled-text);
  font-weight: 600;
}

.street-option.invalid .street-caption {
  display: block;
}

.street-option:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}

#house-number-list {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 10;
  margin: 4px 0 0;
  padding: 4px 0;
  max-height: 40vh;
  overflow-y: auto;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

#house-number-list[hidden] {
  display: none;
}

#house-number-list li {
  padding: 13px 12px;
  font-size: 1.1rem;
  cursor: pointer;
}

#house-number-list li.active,
#house-number-list li:hover {
  background: var(--brand);
  color: #fff;
}

#house-number-list li.empty {
  color: var(--disabled-text);
  cursor: default;
}

#house-number-list li.empty:hover {
  background: none;
  color: var(--disabled-text);
}

.result {
  background: var(--surface);
  border-radius: 18px;
  border: 1px solid var(--border);
  padding: 16px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result[hidden] {
  display: none;
}

.result-address {
  font-size: 15px;
  font-weight: 700;
  color: var(--brand-dark);
}

.result-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.result-tile {
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: #fff;
}

.result-tile-building {
  background: var(--brand);
}

.result-tile-access {
  background: var(--ink);
}

.result-tile-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.result-value {
  font-family: 'Archivo Black', sans-serif;
  font-size: 64px;
  line-height: 1;
}

.note {
  margin: 0;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  line-height: 1.4;
  color: var(--muted);
}

.note svg {
  flex: none;
  margin-top: 1px;
  color: var(--brand);
}

.map-link {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: 14px;
  background: var(--brand);
  color: #fff;
  font-family: 'Archivo', sans-serif;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.map-link:hover,
.map-link:focus-visible {
  opacity: 0.9;
  outline: 3px solid var(--brand);
  outline-offset: 2px;
}

.error {
  color: var(--error);
  margin-top: 16px;
  font-size: 0.95rem;
}