:root {
  color-scheme: light;
  --bg: #f3f5f2;
  --surface: #ffffff;
  --surface-alt: #f8faf7;
  --line: #e2e7e1;
  --grid: #e9ede8;
  --text: #1e2923;
  --muted: #6b776f;
  --primary: #245c45;
  --primary-dark: #194a36;
  --accent: #d8a45d;
  --good: #237a57;
  --warning: #c98224;
  --danger: #c34d4d;
  --blue: #4c78a8;
  --shadow: 0 12px 28px rgba(30, 41, 35, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
}

button,
input {
  font: inherit;
}

button,
.file-button {
  cursor: pointer;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.site-header,
.app-shell,
footer {
  width: min(1480px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.brand,
.eyebrow {
  margin-bottom: 5px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

h1 {
  margin-bottom: 3px;
  font-size: 28px;
}

.subtitle,
.summary-text,
.section-title p,
footer p {
  color: var(--muted);
}

.subtitle {
  margin-bottom: 0;
  font-size: 13px;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}

.primary-button,
.ghost-button,
.talk-button,
.preset-grid button,
.tabs button {
  min-height: 42px;
  border-radius: 6px;
  border: 1px solid var(--line);
  padding: 0 14px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}

.primary-button {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.primary-button:hover {
  background: var(--primary-dark);
}

.talk-button {
  display: inline-flex;
  align-items: center;
  border-color: #03c75a;
  background: #03c75a;
  color: #ffffff;
}

.ghost-button:hover,
.preset-grid button:hover,
.tabs button:hover {
  border-color: var(--primary);
}

.file-button {
  display: inline-flex;
  align-items: center;
}

.file-button input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(350px, 420px) minmax(0, 1fr);
  gap: 20px;
  padding: 22px 0 38px;
}

.input-panel,
.dashboard {
  min-width: 0;
}

.panel-heading,
.dashboard-top,
.chart-heading,
.section-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.panel-heading h2,
.dashboard-top h2,
.chart-heading h3,
.section-title h3 {
  margin-bottom: 0;
}

.panel-heading span,
.chart-heading span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.preset-card,
.field-group,
.metric-card,
.tab-panel,
.detail-grid article,
.grade-box,
.note-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.preset-card {
  margin: 14px 0;
  padding: 14px;
}

.preset-card h3 {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

.preset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.preset-grid button:last-child {
  grid-column: 1 / -1;
}

#simulator-form {
  display: grid;
  gap: 12px;
}

.field-group {
  overflow: hidden;
}

.field-group-header {
  padding: 14px 16px 8px;
}

.field-group-header h3 {
  margin-bottom: 3px;
  font-size: 16px;
}

.field-group-header p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr minmax(130px, 160px) 38px;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-top: 1px solid var(--grid);
}

.field-row label {
  font-size: 13px;
  font-weight: 700;
}

.field-row input {
  width: 100%;
  min-width: 0;
  height: 36px;
  border: 0;
  border-radius: 5px;
  outline: 0;
  padding: 0 10px;
  background: var(--surface-alt);
  color: var(--text);
  text-align: right;
  font-weight: 800;
}

.field-row input:focus {
  box-shadow: 0 0 0 3px rgba(36, 92, 69, 0.15);
}

.field-row b {
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 12px;
}

.dashboard-top {
  margin-bottom: 14px;
}

.summary-text {
  margin: 5px 0 0;
  font-size: 13px;
}

.status-badge {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 8px 13px;
  background: var(--primary);
  color: #ffffff;
  font-size: 13px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.metric-card {
  padding: 14px;
}

.metric-card span,
.detail-grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric-card strong {
  display: block;
  margin-top: 5px;
  font-size: 24px;
}

.metric-card small {
  display: block;
  min-height: 18px;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.tabs button {
  min-height: 44px;
  padding-inline: 18px;
}

.tabs button.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.tab-panel {
  margin-top: 10px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.tab-panel[hidden] {
  display: none;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.detail-grid article {
  padding: 14px;
  background: var(--surface-alt);
}

.detail-grid strong {
  display: block;
  margin-top: 5px;
  font-size: 20px;
}

.chart-heading {
  margin-bottom: 8px;
}

.chart-wrap {
  width: 100%;
  height: 360px;
}

canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--grid);
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

th {
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 13px;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.note-box {
  margin: 16px 0 0;
  padding: 14px 16px;
  background: var(--surface-alt);
  line-height: 1.6;
}

.grade-box {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px;
  background: var(--surface-alt);
}

.grade-box > strong {
  width: 78px;
  text-align: center;
  color: var(--primary);
  font-size: 42px;
}

.grade-box h3 {
  margin-bottom: 4px;
}

.grade-box p {
  margin-bottom: 0;
  color: var(--muted);
}

.risk-heading {
  margin: 20px 0 10px;
}

.risk-list {
  display: grid;
  gap: 8px;
}

.risk-item {
  display: grid;
  grid-template-columns: 5px 1fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.risk-bar {
  background: var(--primary);
}

.risk-content {
  padding: 11px 14px;
}

.risk-content strong {
  display: block;
  margin-bottom: 3px;
}

.risk-content p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.disclaimer {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: min(360px, calc(100% - 40px));
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  border-radius: 8px;
  padding: 13px 15px;
  background: var(--text);
  color: #ffffff;
  font-weight: 800;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 0 34px;
  border-top: 1px solid var(--line);
  font-size: 13px;
}

footer p {
  margin-bottom: 0;
}

.good {
  color: var(--good) !important;
}

.warning {
  color: var(--warning) !important;
}

.danger {
  color: var(--danger) !important;
}

@media (max-width: 1080px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .header-actions {
    justify-content: flex-start;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header,
  .app-shell,
  footer {
    width: min(100% - 24px, 1480px);
  }

  h1 {
    font-size: 23px;
  }

  .header-actions,
  .tabs,
  footer {
    align-items: stretch;
    flex-direction: column;
    width: 100%;
  }

  .header-actions > *,
  .tabs button {
    justify-content: center;
    width: 100%;
  }

  .preset-grid,
  .metric-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .field-row {
    grid-template-columns: 1fr 1fr 36px;
    padding-inline: 12px;
  }

  .field-row label {
    grid-column: 1 / -1;
  }

  .chart-wrap {
    height: 310px;
  }
}