:root {
  --text: #111111;
  --muted: #666666;
  --line: #eeeeee;
  --bg: #ffffff;
  --accent: #111111;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

.page {
  max-width: 880px;
  margin: 32px auto 64px;
  padding: 0 20px;
}

.hero {
  margin-bottom: 32px;
}

.eyebrow {
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 6px;
}

.title {
  font-size: 28px;
  margin: 0 0 12px;
}

.lede {
  margin: 0;
  color: #444;
  font-size: 16px;
}

.card {
  background: #fafafa;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow);
  margin-top: 28px;
}

.section-head {
  margin-bottom: 16px;
}

.section-head h2 {
  margin: 0 0 6px;
  font-size: 20px;
}

.section-head .sub {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-weight: 600;
  font-size: 14px;
}

input,
select {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
}

input:focus,
select:focus {
  outline: 2px solid #d6d6d6;
}

.actions {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

button {
  border: 1px solid var(--line);
  background: #f3f3f3;
  color: var(--text);
  padding: 10px 14px;
  font-size: 15px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease, opacity 0.2s ease;
}

button.primary {
  background: var(--accent);
  color: #fff;
  border: none;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.inline-alert {
  margin-top: 12px;
  padding: 10px 12px;
  background: #fff4f4;
  border: 1px solid #ffd6d6;
  color: #b00020;
  border-radius: 8px;
  font-size: 14px;
  display: none;
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.list.empty {
  color: var(--muted);
}

.result-row,
.output-row {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  position: relative;
}

.result-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.result-meta .postal {
  font-weight: 600;
  letter-spacing: 0.04em;
}

.result-meta .address {
  color: #333;
}

.kebab-btn {
  width: 38px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #f7f7f7;
  font-size: 18px;
  line-height: 1;
}

.menu {
  position: absolute;
  right: 14px;
  top: 42px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
  min-width: 200px;
  padding: 6px 0;
  display: none;
  z-index: 5;
}

.menu.open {
  display: block;
}

.menu button {
  width: 100%;
  background: transparent;
  border: none;
  text-align: left;
  padding: 10px 12px;
  font-size: 14px;
  border-radius: 0;
}

.menu button:hover {
  background: #f6f6f6;
}

.copied-tag {
  position: absolute;
  right: 64px;
  top: 14px;
  background: #111;
  color: #fff;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.copied-tag.show {
  opacity: 1;
}

.output-row {
  grid-template-columns: 1fr auto;
}

.remove-btn {
  background: transparent;
  color: var(--muted);
  border: none;
  font-size: 16px;
}

.output-row.fade-out {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.footer a {
  color: var(--text);
}

@media (max-width: 840px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .result-row,
  .output-row {
    grid-template-columns: 1fr;
  }

  .kebab-btn {
    justify-self: flex-end;
  }

  .copied-tag {
    right: 14px;
    top: auto;
    bottom: 12px;
  }
}

@media (max-width: 480px) {
  .page {
    margin: 24px auto 48px;
  }

  .title {
    font-size: 24px;
  }

  button,
  .actions button {
    width: 100%;
  }

  .actions {
    flex-direction: column;
    align-items: stretch;
  }
}