/* AI 工作流大屏样式 */
* { box-sizing: border-box; margin: 0; padding: 0; }

body.workflow-dark {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  background: #0a1628;
  color: #e2e8f0;
  min-height: 100vh;
}

body.workflow-light {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  background: #f0f4f8;
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wf-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: linear-gradient(90deg, #0f2847 0%, #1a3a5c 100%);
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
}

.wf-header h1 { font-size: 18px; font-weight: 600; color: #f1f5f9; }
.wf-header a, .wf-header .link-btn {
  color: #7dd3fc;
  font-size: 13px;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
}

.wf-header-light {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border-bottom: none;
}

.wf-header-light h1 { color: #fff; }
.wf-header-light a { color: #dbeafe; }

.wf-upload-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.wf-upload-box {
  background: #fff;
  border-radius: 16px;
  padding: 40px 36px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.wf-upload-box h2 { font-size: 20px; margin-bottom: 8px; }
.wf-upload-box .hint { font-size: 13px; color: #64748b; line-height: 1.6; margin-bottom: 24px; }

.wf-dropzone {
  border: 2px dashed #93c5fd;
  border-radius: 12px;
  padding: 36px 20px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 16px;
}

.wf-dropzone:hover, .wf-dropzone.dragover {
  border-color: #2563eb;
  background: #eff6ff;
}

.wf-dropzone p { font-size: 14px; color: #475569; }
.wf-dropzone .icon { font-size: 36px; margin-bottom: 8px; }

.wf-btn {
  padding: 10px 24px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
}

.wf-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.wf-status { margin-top: 16px; font-size: 13px; min-height: 20px; }
.wf-status.error { color: #dc2626; }
.wf-status.ok { color: #16a34a; }

/* Dashboard */
.wf-dashboard { padding: 16px 20px 24px; }

.wf-title-row {
  text-align: center;
  margin-bottom: 16px;
}

.wf-title-row h1 {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(90deg, #38bdf8, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.wf-title-row .sub { font-size: 13px; color: #64748b; margin-top: 4px; }

.wf-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
}

.wf-tab {
  padding: 8px 20px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  background: rgba(15, 40, 71, 0.6);
  color: #94a3b8;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
}

.wf-tab.active {
  background: linear-gradient(90deg, #0ea5e9, #06b6d4);
  color: #fff;
  border-color: transparent;
}

.wf-kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.wf-kpi {
  background: rgba(15, 40, 71, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.wf-kpi .label { font-size: 12px; color: #64748b; }
.wf-kpi .value { font-size: 22px; font-weight: 700; color: #38bdf8; margin-top: 4px; }

.wf-note {
  text-align: center;
  font-size: 12px;
  color: #475569;
  margin-bottom: 12px;
}

.wf-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.wf-panel {
  background: rgba(15, 40, 71, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.12);
  border-radius: 10px;
  padding: 8px;
  min-height: 280px;
}

.wf-panel.full { grid-column: 1 / -1; min-height: 300px; }

.wf-chart { width: 100%; height: 260px; }
.wf-panel.full .wf-chart { height: 280px; }

.wf-loading, .wf-error {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  font-size: 16px;
  color: #94a3b8;
}

.wf-error { color: #f87171; }

@media (max-width: 768px) {
  .wf-grid { grid-template-columns: 1fr; }
}