:root {
  color-scheme: light;
  --brand-dark: #2e2e2d;
  --brand-light: #f2f2f2;
  --brand-green: #2e5c42;
  --brand-sage: #a9ca9b;
  --bg: #f2f2f2;
  --card: #f2f2f2;
  --text: #2e2e2d;
  --muted: rgba(46, 46, 45, .72);
  --border: rgba(46, 46, 45, .18);
  --primary: #2e5c42;
  --primary-hover: #244a35;
  --accent: #a9ca9b;
  --accent-soft: rgba(169, 202, 155, .28);
  --danger: #9f2f2f;
  --danger-hover: #842525;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--brand-light);
  color: var(--brand-dark);
}
.app-header {
  background: var(--brand-dark);
  color: var(--brand-light);
  padding: 1rem clamp(1rem, 4vw, 3rem);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  border-bottom: 6px solid var(--brand-sage);
}
.brand {
  display: flex;
  align-items: center;
  gap: clamp(.9rem, 2vw, 1.5rem);
  min-width: 0;
}
.brand-logo {
  width: clamp(76px, 10vw, 132px);
  max-height: 96px;
  object-fit: contain;
  display: block;
  flex: 0 0 auto;
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.35rem, 3vw, 2.25rem); color: var(--brand-light); }
h2, h3 { color: var(--brand-dark); }
.eyebrow {
  margin-bottom: .25rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--brand-sage);
  font-size: .8rem;
  font-weight: 800;
}
.layout { max-width: 1100px; margin: 0 auto; padding: 1rem; }
.tabs { display: flex; gap: .5rem; margin: 1rem 0; flex-wrap: wrap; }
.tab {
  background: var(--brand-light);
  color: var(--brand-dark);
  border: 1px solid var(--border);
}
.tab.active { background: var(--brand-green); color: var(--brand-light); border-color: var(--brand-green); }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: clamp(1rem, 3vw, 2rem);
  box-shadow: 0 12px 30px rgba(46, 46, 45, .10);
}
.view { display: none; }
.view.active { display: block; }
.hint { color: var(--muted); }
.grid { display: grid; gap: 1rem; }
.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.street-grid { grid-template-columns: minmax(0, 3fr) minmax(110px, 1fr); }
.zip-grid { grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr); }
label { display: grid; gap: .4rem; margin-bottom: 1rem; font-weight: 650; }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: .85rem 1rem;
  font: inherit;
  background: #ffffff;
  color: var(--brand-dark);
}
input:focus, textarea:focus, select:focus, button:focus {
  outline: 3px solid rgba(169, 202, 155, .55);
  border-color: var(--brand-green);
}
input:invalid:not(:placeholder-shown), textarea:invalid:not(:placeholder-shown), select:invalid:not(:focus) {
  border-color: var(--brand-green);
}
.checkbox { grid-template-columns: auto 1fr; align-items: start; font-weight: 500; }
.checkbox input { width: 1.2rem; height: 1.2rem; margin-top: .15rem; accent-color: var(--brand-green); }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; margin-top: 1rem; }
button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: .85rem 1.2rem;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  background: var(--brand-green);
  color: var(--brand-light);
}
button:hover { background: var(--primary-hover); }
button.secondary { background: var(--brand-sage); color: var(--brand-dark); }
button.secondary:hover { background: #98bd88; }
button.danger { background: var(--danger); color: #ffffff; }
button.danger:hover { background: var(--danger-hover); }
.hidden { display: none; }
.stats {
  display: inline-flex;
  gap: .5rem;
  align-items: baseline;
  background: var(--accent-soft);
  border: 1px solid var(--brand-sage);
  border-radius: 12px;
  padding: 1rem;
}
.stats strong { font-size: 2rem; color: var(--brand-green); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { text-align: left; padding: .85rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--accent-soft); color: var(--brand-dark); }
#toast {
  position: fixed;
  left: 50%;
  bottom: 1rem;
  transform: translateX(-50%);
  background: var(--brand-dark);
  color: var(--brand-light);
  padding: .8rem 1rem;
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .25);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
#toast.show { opacity: 1; }
@media (max-width: 840px) {
  .brand { align-items: center; }
  .brand-logo { width: 88px; max-height: 88px; }
}
@media (max-width: 720px) {
  .two, .street-grid, .zip-grid { grid-template-columns: 1fr; }
  .app-header { align-items: flex-start; flex-direction: column; }
}