:root {
  color-scheme: light;
  --bg: #f4f6f7;
  --surface: #ffffff;
  --surface-muted: #eef3f2;
  --line: #d8e0df;
  --line-strong: #bcc9c7;
  --text: #1e2a2a;
  --muted: #667474;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: #d9f1ee;
  --danger: #b42318;
  --danger-soft: #fde7e4;
  --warning: #9a6700;
  --warning-soft: #fff5cf;
  --shadow: 0 18px 50px rgba(30, 42, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar,
.summary-section,
.editor-panel,
.scenario-list {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 24px;
  border-radius: 8px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 20px;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0;
  font-size: 17px;
  letter-spacing: 0;
}

.topbar-actions,
.panel-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.button,
.icon-button {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
}

.button {
  padding: 0 14px;
}

.button:hover,
.icon-button:hover {
  background: var(--accent-strong);
}

.button:disabled,
.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.button-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--text);
}

.button-secondary:hover {
  background: var(--surface-muted);
}

.icon-button {
  width: 40px;
  padding: 0;
  font-size: 20px;
  line-height: 1;
}

.icon-button.danger {
  background: var(--danger);
}

.icon-button.danger:hover {
  background: #8d1b13;
}

.summary-section {
  margin-top: 18px;
  padding: 20px;
  border-radius: 8px;
}

.section-heading,
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.section-heading.compact {
  margin-bottom: 12px;
}

.count-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.summary-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fbfcfc;
}

.summary-card.active {
  border-color: var(--accent);
  background: #f3fbfa;
}

.summary-card button {
  width: 100%;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  padding: 0;
}

.summary-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.summary-title strong {
  overflow-wrap: anywhere;
  font-size: 17px;
}

.status-pill {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.status-pill.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.summary-values,
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.metric {
  min-width: 0;
  padding: 12px;
  border-radius: 8px;
  background: var(--surface-muted);
}

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

.metric strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 18px;
}

.workspace {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.scenario-list,
.editor-panel {
  border-radius: 8px;
  padding: 18px;
}

.scenario-list {
  align-self: start;
}

.scenario-tabs {
  display: grid;
  gap: 8px;
}

.scenario-tab {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfc;
  color: var(--text);
  padding: 12px;
  text-align: left;
}

.scenario-tab.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.scenario-tab strong,
.scenario-tab span {
  display: block;
  overflow-wrap: anywhere;
}

.scenario-tab span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.form-grid label,
.radio-field {
  min-width: 0;
}

.form-grid label span,
.radio-field legend {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.form-grid input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 0 11px;
}

.form-grid input:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.16);
}

.radio-field {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px 12px;
  margin: 0;
}

.radio-options {
  display: flex;
}

.radio-option {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 14px;
  color: var(--text);
}

.radio-option input {
  width: 16px;
  min-height: auto;
}

.messages {
  display: grid;
  gap: 8px;
  margin: 14px 0;
}

.message {
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
}

.message.error {
  background: var(--danger-soft);
  color: var(--danger);
}

.message.warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.metrics-row {
  margin: 12px 0 20px;
}

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

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 12px 14px;
  text-align: right;
  white-space: nowrap;
}

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

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

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

tbody tr.negative td {
  background: var(--danger-soft);
  color: var(--danger);
}

#pdfReportHost {
  position: fixed;
  left: -10000px;
  top: 0;
  width: 900px;
  background: #fff;
}

.pdf-report {
  padding: 28px;
  color: #1e2a2a;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

.pdf-report h1 {
  font-size: 24px;
  margin-bottom: 16px;
}

.pdf-report h2 {
  margin: 22px 0 10px;
  font-size: 18px;
}

.pdf-report table {
  min-width: 0;
  margin-bottom: 16px;
  font-size: 12px;
}

.pdf-report th,
.pdf-report td {
  padding: 7px 8px;
}

@media (max-width: 960px) {
  .app-shell {
    padding: 16px;
  }

  .topbar,
  .workspace,
  .form-grid {
    display: block;
  }

  .topbar-actions {
    margin-top: 18px;
  }

  .scenario-list {
    margin-bottom: 18px;
  }

  .scenario-tabs {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .form-grid label,
  .radio-field {
    display: block;
    margin-bottom: 12px;
  }

  .summary-values {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .topbar,
  .summary-section,
  .editor-panel,
  .scenario-list {
    padding: 14px;
  }

  .topbar-actions,
  .panel-actions,
  .table-toolbar,
  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .panel-actions {
    flex-direction: row;
  }

  h1 {
    font-size: 28px;
  }
}