:root {
  --backend-dark: #173f35;
  --backend-green: #2f6b5f;
  --backend-mint: #e7f3ef;
  --backend-blue: #dff1f7;
  --backend-line: #d6e2de;
}

body {
  background: #f4f8f6;
}

#backend-app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 300px 1fr;
}

.backend-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 22px;
  border-right: 1px solid var(--backend-line);
  background: #ffffff;
  padding: 22px;
}

.back-link {
  color: var(--backend-green);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.backend-nav {
  display: grid;
  gap: 8px;
}

.backend-nav a {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--backend-dark);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.backend-boundary {
  margin-top: auto;
  display: grid;
  gap: 8px;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: var(--backend-mint);
  padding: 12px;
  color: var(--backend-dark);
  font-size: 12px;
}

.backend-main {
  padding: 28px;
}

.backend-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: end;
  margin-bottom: 22px;
}

.backend-hero h2 {
  margin: 4px 0 8px;
  color: var(--backend-dark);
  font-size: 26px;
  letter-spacing: 0;
}

.backend-hero p {
  max-width: 760px;
  margin: 0;
  color: #5d716b;
  line-height: 1.6;
}

.backend-actions,
.backend-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.backend-card-grid,
.safety-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.backend-card {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 12px;
}

.backend-card span {
  display: block;
  color: #62766f;
  font-size: 12px;
  font-weight: 700;
}

.backend-card strong {
  display: block;
  margin-top: 4px;
  color: var(--backend-dark);
  font-size: 18px;
}

.runtime-chain {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.runtime-step-pill {
  min-height: 72px;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 10px;
  color: var(--backend-dark);
  font-size: 12px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.agent-workbench {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px;
  margin-top: 16px;
}

.agent-list {
  display: grid;
  gap: 8px;
  max-height: 620px;
  overflow: auto;
}

.agent-button {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 12px;
  text-align: left;
  cursor: pointer;
}

.agent-button.is-active {
  border-color: var(--backend-green);
  background: var(--backend-mint);
}

.agent-button strong,
.agent-detail h3 {
  color: var(--backend-dark);
}

.agent-button code {
  display: block;
  margin-top: 4px;
  color: #5b756e;
  font-size: 11px;
  overflow-wrap: anywhere;
}

.agent-detail,
.run-detail {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 16px;
}

.detail-grid,
.run-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.detail-block,
.run-block {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #fbfdfc;
  padding: 12px;
}

.detail-block h4,
.run-block h4 {
  margin: 0 0 8px;
  color: var(--backend-dark);
  font-size: 13px;
}

.detail-block p,
.run-block p,
.run-status {
  color: #5c706a;
  font-size: 13px;
  line-height: 1.55;
}

.step-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.step-item {
  display: grid;
  grid-template-columns: 180px 160px 1fr;
  gap: 10px;
  align-items: start;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 10px;
  font-size: 12px;
}

.step-status,
.status-badge {
  display: inline-block;
  border-radius: 999px;
  background: var(--backend-blue);
  padding: 4px 8px;
  color: var(--backend-dark);
  font-size: 11px;
  font-weight: 800;
}

.status-badge.is-warn {
  background: #fff1d6;
}

.status-badge.is-ok {
  background: var(--backend-mint);
}

.backend-log {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border-radius: 8px;
  background: #102b25;
  color: #dff5ec;
  padding: 12px;
  font-size: 12px;
}

.deepseek-summary {
  margin: 14px 0;
}

.deepseek-progress-panel {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #fbfdfc;
  padding: 12px;
}

.deepseek-progress-panel.is-hidden {
  display: none;
}

.deepseek-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--backend-dark);
  font-size: 12px;
  font-weight: 800;
}

.deepseek-progress-track {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: #e7efeb;
}

.deepseek-progress-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--backend-green), #9fd9c7);
  transition: width 180ms ease;
}

.deepseek-work-log {
  white-space: pre-wrap;
  color: #516760;
  font-size: 12px;
  line-height: 1.5;
}

.deepseek-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 16px;
}

.view-toggle {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--backend-dark);
  padding: 9px 12px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.view-toggle.is-active {
  border-color: var(--backend-green);
  background: var(--backend-mint);
}

.deepseek-workbench {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.deepseek-h5-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 16px;
  margin-top: 16px;
}

.deepseek-customer-list {
  display: grid;
  gap: 8px;
  max-height: 430px;
  overflow: auto;
}

.deepseek-left-rail {
  display: grid;
  gap: 12px;
  max-height: 820px;
  overflow: auto;
}

.deepseek-left-block {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #fbfdfc;
  padding: 10px;
}

.deepseek-left-block h3 {
  margin: 0 0 10px;
  color: var(--backend-dark);
  font-size: 13px;
}

.deepseek-section-list {
  display: grid;
  gap: 8px;
  max-height: 340px;
  overflow: auto;
}

.deepseek-section-button {
  display: grid;
  gap: 4px;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 10px;
  text-align: left;
  cursor: pointer;
}

.deepseek-section-button.is-active {
  border-color: var(--backend-green);
  background: var(--backend-mint);
}

.deepseek-section-button strong {
  color: var(--backend-dark);
  font-size: 12px;
}

.deepseek-section-button span {
  color: #62766f;
  font-size: 11px;
  overflow-wrap: anywhere;
}

.deepseek-customer-button {
  display: grid;
  gap: 5px;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 12px;
  text-align: left;
  cursor: pointer;
}

.deepseek-customer-button.is-active {
  border-color: var(--backend-green);
  background: var(--backend-mint);
}

.deepseek-customer-button strong {
  color: var(--backend-dark);
  font-size: 14px;
}

.deepseek-customer-button code,
.deepseek-customer-button span {
  color: #62766f;
  font-size: 11px;
  overflow-wrap: anywhere;
}

.deepseek-detail {
  min-height: 280px;
  max-height: 820px;
  overflow: auto;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 16px;
}

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

.detail-heading h3 {
  margin: 0;
  color: var(--backend-dark);
  font-size: 18px;
  text-align: right;
  overflow-wrap: anywhere;
}

.mirror-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.object-panel {
  margin-top: 12px;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #fbfdfc;
}

.object-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  padding: 11px 12px;
  color: var(--backend-dark);
  font-size: 13px;
  font-weight: 800;
}

.object-panel summary span {
  color: #78908a;
  font-size: 11px;
}

.object-panel pre {
  max-height: 360px;
  overflow: auto;
  margin: 0;
  border-top: 1px solid var(--backend-line);
  background: #ffffff;
  padding: 12px;
  color: #26423a;
  font-size: 11px;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.advisor-readable-block,
.agent-workflow-detail {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 14px;
}

.agent-workflow-detail {
  background: #fbfdfc;
}

.advisor-block-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.advisor-block-heading h4 {
  margin: 0;
  color: var(--backend-dark);
  font-size: 14px;
}

.advisor-block-heading span {
  border-radius: 999px;
  background: var(--backend-mint);
  padding: 4px 8px;
  color: var(--backend-dark);
  font-size: 11px;
  font-weight: 800;
}

.workflow-meta-grid,
.signal-grid,
.boundary-grid,
.h5-screen-list,
.message-variant-grid,
.readable-card-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.workflow-subsection {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.workflow-subsection h5,
.text-card h5 {
  margin: 0;
  color: var(--backend-dark);
  font-size: 13px;
}

.mini-info-card,
.workflow-step-card,
.signal-card,
.boundary-card,
.text-card,
.readable-row,
.trace-row {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #ffffff;
  padding: 10px;
}

.mini-info-card span,
.signal-card span,
.boundary-card span,
.text-card span,
.readable-row > span,
.trace-row span {
  display: block;
  color: #62766f;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.4;
}

.mini-info-card strong,
.signal-card strong,
.boundary-card strong,
.trace-row strong {
  display: block;
  margin-top: 5px;
  color: var(--backend-dark);
  font-size: 13px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

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

.workflow-step-card strong {
  display: block;
  margin-bottom: 7px;
  color: var(--backend-dark);
  font-size: 13px;
}

.workflow-step-card p,
.signal-card p,
.text-card p,
.text-card small,
.readable-copy,
.readable-list,
.reasoning-list,
.source-copy {
  margin: 0;
  color: #516760;
  font-size: 12px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.workflow-step-card b {
  color: var(--backend-dark);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.chip-list span {
  border: 1px solid var(--backend-line);
  border-radius: 999px;
  background: #ffffff;
  padding: 5px 9px;
  color: #516760;
  font-size: 12px;
  font-weight: 700;
}

.trace-list,
.readable-grid,
.readable-nested-grid {
  display: grid;
  gap: 8px;
}

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

.readable-nested-grid {
  margin-top: 6px;
}

.readable-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  background: #fbfdfc;
}

.readable-row div > p {
  margin: 0;
}

.readable-list,
.reasoning-list {
  display: grid;
  gap: 6px;
  padding-left: 18px;
}

.text-card {
  display: grid;
  gap: 7px;
  background: #fbfdfc;
}

.text-card small {
  display: block;
  border-top: 1px solid var(--backend-line);
  padding-top: 7px;
}

.warning-copy {
  border-radius: 8px;
  background: #fff1d6;
  padding: 10px;
  color: #755d22;
  font-size: 12px;
  line-height: 1.55;
}

.kv-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.kv-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: #fbfdfc;
  padding: 10px;
}

.kv-row span,
.compare-row span {
  color: #62766f;
  font-size: 12px;
  font-weight: 800;
}

.kv-row strong,
.compare-row p {
  margin: 0;
  color: var(--backend-dark);
  font-size: 13px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.compare-table {
  display: grid;
  gap: 8px;
}

.compare-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) minmax(0, 1fr) 76px;
  gap: 10px;
  align-items: start;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  padding: 10px;
}

.compare-row strong {
  border-radius: 999px;
  padding: 4px 8px;
  text-align: center;
  font-size: 11px;
}

.compare-row strong.match {
  background: var(--backend-mint);
  color: var(--backend-dark);
}

.compare-row strong.diff {
  background: #fff1d6;
  color: #755d22;
}

.lead-copy,
.list-block p,
.list-block li {
  color: #516760;
  font-size: 13px;
  line-height: 1.6;
}

.list-block {
  margin-top: 14px;
}

.list-block h4 {
  margin: 0 0 8px;
  color: var(--backend-dark);
  font-size: 13px;
}

.list-block ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.phone-preview-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.phone-screen {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 290px;
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: linear-gradient(180deg, #f7fbf9 0%, #ffffff 100%);
  padding: 14px;
}

.phone-screen span {
  color: #78908a;
  font-size: 11px;
  font-weight: 800;
}

.phone-screen h4 {
  margin: 18px 0 10px;
  color: var(--backend-dark);
  font-size: 18px;
  letter-spacing: 0;
}

.phone-screen p {
  color: #516760;
  font-size: 13px;
  line-height: 1.6;
}

.phone-screen button {
  border: 1px solid var(--backend-line);
  border-radius: 8px;
  background: var(--backend-mint);
  color: var(--backend-dark);
  padding: 9px 10px;
  font-weight: 800;
}

.deepseek-gate-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.muted {
  color: #78908a;
}

@media (max-width: 1100px) {
  #backend-app,
  .backend-hero,
  .backend-grid,
  .agent-workbench,
  .backend-card-grid,
  .safety-grid,
  .detail-grid,
  .run-grid,
  .runtime-chain,
  .step-item,
  .deepseek-workbench,
  .deepseek-h5-grid,
  .phone-preview-row,
  .deepseek-gate-strip,
  .mirror-meta-grid,
  .workflow-meta-grid,
  .signal-grid,
  .boundary-grid,
  .h5-screen-list,
  .message-variant-grid,
  .readable-card-list,
  .kv-row,
  .readable-row,
  .compare-row {
    grid-template-columns: 1fr;
  }

  .backend-sidebar {
    position: relative;
    height: auto;
  }
}