:root {
  --bg: #f7f4ec;
  --bg-accent: #e8efe3;
  --text: #1d2a24;
  --muted: #587066;
  --card: #ffffff;
  --line: #c5d3ca;
  --brand: #2f7d4b;
  --brand-strong: #1d5f36;
  --button-hover: #1d5f36;
  --error: #8f2d2d;
  --input-bg: #ffffff;
  --input-text: #1d2a24;
  --item-bg: #fbfdfa;
}

* {
  box-sizing: border-box;
}

html[data-theme="dark"] {
  --bg: #0f1714;
  --bg-accent: #1a2a23;
  --text: #e8f2ed;
  --muted: #9bb4a9;
  --card: #16221d;
  --line: #2a3a33;
  --brand: #325f43;
  --button-hover: #18211c;
  --brand-strong: #2f8d58;
  --error: #ff8f8f;
  --input-bg: #0f1714;
  --input-text: #e8f2ed;
  --item-bg: #111b16;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Trebuchet MS", "Gill Sans", sans-serif;
  background: var(--bg);
}

.shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.2rem 1rem 3rem;
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hero h1 {
  margin: 0.2rem 0 0.3rem;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.kicker {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-strong);
  font-size: 0.75rem;
  font-weight: 700;
}

.sub {
  margin: 0;
  color: var(--muted);
}

.panel,
.result {
  margin-top: 1.2rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 6px 16px rgba(20, 42, 31, 0.06);
}

.lookup-form label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.row {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: 1fr auto;
}

input,
button {
  font: inherit;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  background: var(--input-bg);
  color: var(--input-text);
}

button {
  border: 1px solid var(--brand);
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  padding: 0.65rem 1rem;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--button-hover);
}

.theme-toggle {
  min-width: 70px;
  border-color: var(--line);
  background: transparent;
  color: var(--text);
  padding: 0.45rem 0.7rem;
}

.theme-toggle:hover {
  background: rgba(120, 160, 140, 0.12);
}

.status {
  min-height: 1.2rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.status.error {
  color: var(--error);
}

.hidden {
  display: none;
}

.result h2 {
  margin-top: 2rem;
  margin: 0 0 0.7rem;
}

.result-entry + .result-entry {
  margin-top: 2rem;
}

.result-entry h3 {
  margin: 0 0 0.6rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.5rem;
}

.item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem;
  background: var(--item-bg);
}

.item .label {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 0.2rem;
}

.item .value {
  font-weight: 700;
}

@media (max-width: 580px) {
  .row {
    grid-template-columns: 1fr;
  }
}