:root {
  color-scheme: light;
  --bg: #f4f7f8;
  --panel: #ffffff;
  --ink: #172126;
  --muted: #63727a;
  --line: #d8e1e5;
  --accent: #0f7b8f;
  --accent-dark: #09586b;
  --warn: #8b4b00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 14px;
  letter-spacing: 0;
}

button,
input,
textarea {
  font: inherit;
}

button,
.file-button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 6px;
  min-height: 36px;
}

button:hover,
.file-button:hover {
  background: var(--accent-dark);
}

button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

button.btn-secondary {
  background: #fff;
  color: var(--accent-dark);
}

button.btn-secondary:hover {
  background: #eef6f8;
}

.app {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.2;
}

h2 {
  font-size: 16px;
  margin-bottom: 12px;
}

p {
  margin: 6px 0 0;
  color: var(--muted);
}

.help {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.45;
}

.help code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 12px;
  color: var(--ink);
}

.status {
  border: 1px solid var(--line);
  background: #eef6f8;
  color: var(--accent-dark);
  padding: 8px 12px;
  border-radius: 6px;
  max-width: min(420px, 42vw);
  text-align: right;
  line-height: 1.35;
}

.status.warning {
  background: #fff6eb;
  border-color: #e8c9a0;
  color: var(--warn);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.file-button input {
  display: none;
}

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

.io-block {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.io-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}

.io-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.io-label-row .io-label {
  margin-bottom: 0;
}

textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  color: var(--ink);
  background: #fbfdfe;
  font-family: Consolas, "Courier New", monospace;
  line-height: 1.4;
}

#outputSaveText {
  min-height: 112px;
  background: #f0f7f9;
}

#outputSaveText:read-only {
  cursor: text;
}

.leaderboard-note {
  display: block;
  margin-top: 10px;
  padding: 10px 12px;
  border-left: 3px solid var(--warn);
  background: #fff8ef;
  color: var(--ink);
}

.leaderboard-note code {
  font-size: 12px;
  word-break: break-all;
}

.important-panel {
  border-color: var(--accent);
  background: linear-gradient(180deg, #f8fcfd 0%, var(--panel) 56px);
}

.important-fields {
  margin-top: 4px;
}

.field-primary {
  grid-column: 1 / -1;
  border-width: 2px;
  border-color: var(--accent);
  background: #eef8fa;
  padding: 14px;
}

.field-primary label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
}

.field-primary input {
  min-height: 42px;
  font-size: 20px;
  font-weight: 600;
}

.field-subdued {
  opacity: 0.92;
  background: #f6f8f9;
}

.field-disabled input {
  opacity: 0.7;
}

.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.field {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: #fbfdfe;
}

.field label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.field input,
.search-row input,
.value-input {
  width: 100%;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 8px;
  background: #fff;
  color: var(--ink);
}

.field small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}

.field-highlight {
  border-color: var(--accent);
  background: #eef8fa;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.results {
  margin-top: 12px;
  max-height: 220px;
  overflow: auto;
  border-top: 1px solid var(--line);
}

.result {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
}

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

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.table-wrap {
  max-height: 520px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 8px;
  text-align: left;
  vertical-align: middle;
}

th {
  position: sticky;
  top: 0;
  background: #eaf2f5;
  z-index: 1;
}

tr.row-tower td {
  background: #eef8fa;
}

.field-moon {
  border-color: #7b6ba8;
  background: #f6f3fa;
}

tr.row-moon td {
  background: #f3effa;
}

td:first-child,
td:nth-child(2) {
  width: 72px;
  color: var(--muted);
  font-family: Consolas, "Courier New", monospace;
}

td:nth-child(3) {
  min-width: 200px;
}

@media (max-width: 860px) {
  .topbar {
    display: block;
  }

  .io-grid {
    grid-template-columns: 1fr;
  }

  .status {
    margin-top: 12px;
    text-align: left;
  }
}