:root {
  --workspace-ink: #15233a;
  --workspace-muted: #607089;
  --workspace-surface: #ffffff;
  --workspace-canvas: #f3f6fb;
  --workspace-line: #d8e1ed;
  --workspace-primary: #245fbd;
  --workspace-primary-dark: #194b99;
  --workspace-process: #3267b1;
  --workspace-attention: #a86809;
  --workspace-success: #28744d;
  --workspace-danger: #a83a38;
  --workspace-evidence: #6650a5;
  --workspace-shadow: 0 10px 28px rgba(36, 71, 112, 0.08);
}

.workspace-page {
  background: var(--workspace-canvas);
  color: var(--workspace-ink);
}

.workspace-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.workspace-header {
  background: linear-gradient(125deg, #122b4f, #245f8e 72%, #2d7282);
  color: #fff;
  padding: 28px 0 22px;
}

.workspace-header h1 {
  margin: 0;
  font-size: clamp(25px, 4vw, 38px);
  letter-spacing: -0.02em;
}

.workspace-header p {
  max-width: 780px;
  margin: 9px 0 0;
  color: #d9e6f5;
  line-height: 1.65;
}

.workspace-eyebrow {
  display: block;
  margin-bottom: 8px;
  color: #a9d5e9;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.workflow-nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 22px;
}

.workflow-nav a,
.workflow-nav span {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 10px;
  color: #e6eff9;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
}

.workflow-nav a:hover,
.workflow-nav a:focus-visible {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

.workflow-nav .active {
  border-color: #fff;
  background: #fff;
  color: #173c6c;
}

.workspace-main {
  display: grid;
  gap: 18px;
  padding: 22px 0 48px;
}

.workspace-card {
  border: 1px solid var(--workspace-line);
  border-radius: 16px;
  background: var(--workspace-surface);
  box-shadow: var(--workspace-shadow);
}

.workspace-card-body {
  padding: 20px;
}

.workspace-card h2,
.workspace-card h3 {
  margin-top: 0;
}

.page-guide {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--workspace-line);
  border-radius: 14px;
  background: var(--workspace-line);
}

.page-guide > div {
  min-height: 92px;
  padding: 16px;
  background: #fff;
}

.page-guide span {
  display: block;
  margin-bottom: 6px;
  color: var(--workspace-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-guide strong {
  display: block;
  font-size: 15px;
  line-height: 1.55;
}

.case-identity {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, minmax(0, 0.7fr));
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid #bfd1ea;
  border-radius: 14px;
  background: #edf5ff;
}

.case-identity > div {
  min-width: 0;
}

.case-identity span {
  display: block;
  margin-bottom: 4px;
  color: var(--workspace-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.case-identity strong {
  display: block;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flow-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  background: #e8eef6;
  color: #4d5f75;
  font-size: 12px;
  font-weight: 800;
}

.flow-status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.flow-status[data-status="running"],
.flow-status[data-status="ready"] {
  background: #e7f0ff;
  color: var(--workspace-process);
}

.flow-status[data-status="needs_attention"] {
  background: #fff1d9;
  color: var(--workspace-attention);
}

.flow-status[data-status="completed"] {
  background: #e5f4eb;
  color: var(--workspace-success);
}

.flow-status[data-status="failed"] {
  background: #fae8e7;
  color: var(--workspace-danger);
}

.risk-status,
.evidence-status {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 800;
}

.risk-status { background: #fff0e2; color: #9a4f0c; }
.evidence-status { background: #eeeafd; color: var(--workspace-evidence); }

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

.workspace-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.metric-card {
  padding: 14px;
  border: 1px solid var(--workspace-line);
  border-radius: 12px;
  background: #f9fbfe;
}

.metric-card span {
  display: block;
  color: var(--workspace-muted);
  font-size: 12px;
}

.metric-card strong {
  display: block;
  margin-top: 5px;
  font-size: 25px;
}

.primary-action {
  padding: 18px;
  border: 1px solid #9bbce8;
  border-radius: 14px;
  background: linear-gradient(135deg, #eaf3ff, #f7fbff);
}

.primary-action h2 {
  margin: 6px 0 8px;
  font-size: 22px;
}

.primary-action p {
  margin: 0 0 14px;
  color: #425a78;
  line-height: 1.65;
}

.workspace-button,
a.workspace-button,
button.workspace-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 9px 15px;
  border: 1px solid var(--workspace-primary);
  border-radius: 9px;
  background: var(--workspace-primary);
  color: #fff;
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.workspace-button:hover,
.workspace-button:focus-visible {
  border-color: var(--workspace-primary-dark);
  background: var(--workspace-primary-dark);
  outline: 3px solid rgba(36, 95, 189, 0.18);
  outline-offset: 2px;
}

.workspace-button.secondary {
  border-color: #aebfd4;
  background: #fff;
  color: #34516f;
}

.workspace-button.secondary:hover,
.workspace-button.secondary:focus-visible {
  background: #eef4fb;
}

.workspace-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.workspace-details {
  overflow: hidden;
  border: 1px solid var(--workspace-line);
  border-radius: 12px;
  background: #fff;
}

.workspace-details > summary {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 15px;
  list-style: none;
  font-weight: 800;
  cursor: pointer;
}

.workspace-details > summary::-webkit-details-marker { display: none; }
.workspace-details > summary::after { content: "展开"; color: var(--workspace-primary); font-size: 12px; }
.workspace-details[open] > summary::after { content: "收起"; }
.workspace-details > summary:focus-visible { outline: 3px solid rgba(36, 95, 189, 0.22); outline-offset: -3px; }
.workspace-details-body { padding: 0 15px 15px; }

.clamped-copy {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

.compact-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.compact-list li {
  padding: 10px 12px;
  border-left: 3px solid #d4dfed;
  border-radius: 7px;
  background: #f7f9fc;
  line-height: 1.55;
}

.workspace-empty {
  padding: 28px 18px;
  border: 1px dashed #b9c8dc;
  border-radius: 14px;
  background: #f8fbff;
  color: var(--workspace-muted);
  text-align: center;
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 820px) {
  .workflow-nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .workflow-nav a,
  .workflow-nav span {
    min-width: 118px;
  }

  .page-guide,
  .workspace-grid,
  .workspace-grid.three {
    grid-template-columns: 1fr;
  }

  .page-guide {
    gap: 0;
  }

  .page-guide > div {
    min-height: auto;
    border-bottom: 1px solid var(--workspace-line);
  }

  .page-guide > div:last-child { border-bottom: 0; }
  .case-identity { grid-template-columns: 1fr 1fr; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .workspace-shell { width: min(100% - 20px, 1180px); }
  .workspace-header { padding: 22px 0 17px; }
  .workspace-main { padding-top: 14px; }
  .workspace-card-body { padding: 15px; }
  .case-identity { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .workspace-actions { display: grid; }
  .workspace-button { width: 100%; }
}