* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  color: #1d2430;
}

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 16px 24px;
}

h1 {
  margin: 0 0 8px;
}

.intro {
  margin: 0 0 18px;
  color: #4e5b70;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
}

#raw-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid #b7c2d4;
  font-size: 16px;
}

button {
  border: none;
  background: #2166f3;
  color: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
}

button:hover {
  background: #1a53c5;
}

.card,
.history-wrap {
  background: #fff;
  border: 1px solid #d7dfeb;
  border-radius: 10px;
  padding: 14px;
  margin-top: 16px;
}

.hidden {
  display: none;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.result-grid h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.active-summary {
  border: 1px solid #d7dfeb;
  border-radius: 8px;
  padding: 12px;
  margin: 12px 0;
  background: #f9fbff;
}

.active-summary h3 {
  margin: 0 0 10px;
}

.active-summary p {
  margin: 8px 0 6px;
}

.chip-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 4px;
}

.chip {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e9f3ff;
  color: #1b4d9e;
  font-size: 13px;
  border: 1px solid #c8defe;
}

.zone-chip {
  background: #edf8ef;
  color: #1f6d35;
  border-color: #c9e7d0;
}

ul {
  margin: 0;
  padding-left: 18px;
}

li {
  margin-bottom: 6px;
}

.inactive-item {
  opacity: 0.7;
}

.active-item {
  opacity: 1;
}

.muted {
  color: #637287;
}

.ok {
  color: #15692c;
  font-weight: 700;
}

.warn {
  color: #8f4200;
  font-weight: 700;
}

.err {
  color: #a01818;
  font-weight: 700;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.history-header h2 {
  margin: 0;
  font-size: 18px;
}

.clear-btn {
  background: #6c7789;
  padding: 8px 12px;
}

.clear-btn:hover {
  background: #596273;
}

.history-item {
  border-top: 1px solid #e1e7f0;
  padding-top: 10px;
  margin-top: 10px;
}

.history-item:first-child {
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}