:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #1e2430;
  --muted: #687386;
  --line: #dce2ea;
  --strong: #0f766e;
  --strong-dark: #115e59;
  --accent: #b45309;
  --risk: #b91c1c;
  --ok: #166534;
  --soft: #eef4f6;
  --shadow: 0 8px 24px rgba(20, 33, 61, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.sidebar {
  background: #18212f;
  color: #f8fafc;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.mark {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #14b8a6;
  color: #062925;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.brand h1 {
  font-size: 17px;
  line-height: 1.2;
  margin: 0;
}

.brand p,
.topbar p,
.empty-state p {
  margin: 4px 0 0;
  color: var(--muted);
}

.brand p {
  color: #b8c4d6;
  font-size: 13px;
}

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

.nav-item {
  border: 0;
  color: #dbeafe;
  background: transparent;
  text-align: left;
  padding: 11px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.nav-item.active,
.nav-item:hover {
  background: rgba(255, 255, 255, 0.11);
  color: #ffffff;
}

.main {
  min-width: 0;
  padding: 22px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.topbar h2 {
  margin: 0;
  font-size: 24px;
}

.view {
  display: none;
}

.active-view {
  display: block;
}

.import-panel,
.task-list-panel,
.detail-panel,
.ai-config-card,
.platform-config-card,
.connection-card,
.split-logs > div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.import-panel {
  padding: 16px;
  margin-bottom: 16px;
}

.task-form {
  display: grid;
  grid-template-columns: minmax(240px, 2fr) minmax(220px, 1.4fr) 150px 110px 150px auto;
  gap: 12px;
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  min-width: 0;
}

label span {
  color: var(--muted);
  font-size: 13px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  color: var(--ink);
  background: #ffffff;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(20, 184, 166, 0.22);
  border-color: #14b8a6;
}

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.button {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  cursor: pointer;
  white-space: nowrap;
  background: #ffffff;
  color: var(--ink);
}

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

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

.button.ghost:hover {
  background: var(--soft);
}

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

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.panel-head.wide {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  margin-bottom: 12px;
}

.panel-head h3,
.empty-state h3 {
  margin: 0;
  font-size: 16px;
}

.count,
.status {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
}

.status.approved,
.status.completed,
.status.created {
  color: var(--ok);
  background: #dcfce7;
}

.status.warning,
.status.review {
  color: var(--accent);
  background: #fff7ed;
}

.status.danger,
.status.block {
  color: var(--risk);
  background: #fee2e2;
}

.task-list {
  display: grid;
  max-height: calc(100vh - 250px);
  overflow: auto;
}

.task-row {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: #ffffff;
  text-align: left;
  padding: 14px 16px;
  cursor: pointer;
  display: grid;
  gap: 7px;
}

.task-row:hover,
.task-row.active {
  background: #f1f8f8;
}

.task-row strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.detail-panel {
  min-height: 520px;
}

.empty-state {
  padding: 36px;
}

.detail-content {
  padding: 16px;
  display: grid;
  gap: 16px;
}

.hidden {
  display: none !important;
}

.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.detail-header h3 {
  margin: 0;
  font-size: 20px;
}

.detail-header p {
  color: var(--muted);
  margin: 6px 0 0;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

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

.span-wide {
  grid-column: 1 / -1;
}

.info-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #ffffff;
}

.info-block h4 {
  margin: 0 0 10px;
  font-size: 14px;
}

.kv {
  display: grid;
  gap: 8px;
  font-size: 13px;
}

.kv div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 10px;
}

.kv span:first-child {
  color: var(--muted);
}

.pill-list,
.asset-list,
.sku-list,
.log-list,
.connection-list {
  display: grid;
  gap: 8px;
}

.pill {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 12px;
  color: var(--muted);
  background: #fbfdff;
}

.risk {
  color: var(--accent);
  background: #fff7ed;
  border-color: #fed7aa;
}

.block {
  color: var(--risk);
  background: #fef2f2;
  border-color: #fecaca;
}

.sku-item,
.asset-item,
.connection-card,
.log-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #ffffff;
}

.sku-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.asset-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.asset-thumb {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  background: linear-gradient(135deg, #dbeafe, #ccfbf1);
  border: 1px solid var(--line);
  object-fit: cover;
}

.asset-upload-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 150px minmax(160px, auto) auto;
  gap: 10px;
  align-items: end;
  margin-bottom: 12px;
}

.asset-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.asset-item p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.image-job-list {
  display: grid;
  gap: 10px;
}

.image-job-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.compact-header {
  align-items: center;
  gap: 10px;
}

.compact-header p,
.job-note {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.job-instructions {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
}

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

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

.variant-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.variant-pair span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 4px;
}

.variant-pair img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafc;
}

.variant-card p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.variant-score {
  display: grid;
  gap: 6px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.variant-score strong {
  font-size: 18px;
  line-height: 1;
}

.variant-score > span,
.muted-score {
  color: var(--muted);
  font-size: 12px;
}

.score-bars-mini {
  display: grid;
  gap: 5px;
}

.score-bars-mini div {
  position: relative;
  height: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: #eef2f7;
}

.score-bars-mini b {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #0f766e;
}

.score-bars-mini span {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: #1e2430;
  font-size: 11px;
  font-weight: 700;
}

.variant-score ul {
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.brief-card {
  display: grid;
  gap: 14px;
}

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

.brief-columns strong {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
}

.brief-columns ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.brief-script {
  display: grid;
  gap: 8px;
}

.script-scene {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 6px 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
}

.script-scene span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.script-scene strong {
  font-size: 13px;
}

.script-scene p {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

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

.connections-layout {
  display: grid;
  gap: 16px;
}

.ai-config-form,
.platform-config-form {
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.config-section {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 4px;
}

.config-section:first-child {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.config-section h4 {
  margin: 0;
  font-size: 14px;
  color: var(--ink);
}

.config-status {
  padding: 14px;
}

.log-list {
  padding: 12px;
  max-height: 70vh;
  overflow: auto;
}

.log-item {
  font-size: 13px;
}

.log-item strong {
  display: block;
  margin-bottom: 4px;
}

.log-item span {
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: #111827;
  color: #ffffff;
  border-radius: 8px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  max-width: 360px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric-card,
.roi-panel,
.opportunity-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 14px;
  display: grid;
  gap: 6px;
}

.metric-card span,
.signal-item span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.metric-card strong {
  font-size: 28px;
  line-height: 1;
}

.metric-card p,
.signal-item p,
.opportunity-action,
.roi-result-card p {
  color: var(--muted);
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
}

.opportunity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 16px;
  align-items: start;
}

.opportunity-list,
.signal-list {
  display: grid;
  gap: 12px;
}

.opportunity-card {
  padding: 14px;
  display: grid;
  gap: 14px;
}

.opportunity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.score-badge {
  width: 52px;
  height: 52px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: #ecfeff;
  color: #155e75;
  font-size: 22px;
  font-weight: 800;
}

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

.score-bar {
  display: grid;
  gap: 6px;
}

.score-bar > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.bar {
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: #e5e7eb;
}

.bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #0f766e;
}

.roi-panel {
  overflow: hidden;
}

.panel-head.compact {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
}

.roi-form {
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.span-all {
  grid-column: 1 / -1;
}

.roi-result {
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.policy-status {
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check-row input {
  width: auto;
}

.roi-result-card {
  display: grid;
  gap: 12px;
}

.signal-list {
  padding: 12px;
}

.signal-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px;
  display: grid;
  gap: 5px;
}

.empty-state.tight {
  padding: 16px;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

@media (max-width: 1180px) {
  .task-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .workspace-grid,
  .connection-list,
  .split-logs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 5;
    padding: 14px;
  }

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

  .nav-item {
    text-align: center;
  }

  .main {
    padding: 14px;
  }

  .task-form,
  .section-grid {
    grid-template-columns: 1fr;
  }

  .detail-header {
    display: grid;
  }

  .kv div {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1180px) {
  .opportunity-layout {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .metric-grid,
  .score-bars,
  .roi-form,
  .ai-config-form,
  .platform-config-form,
  .brief-columns,
  .asset-upload-form,
  .variant-grid {
    grid-template-columns: 1fr;
  }

  .span-all {
    grid-column: auto;
  }

  .script-scene {
    grid-template-columns: 1fr;
  }

  .script-scene p {
    grid-column: auto;
  }
}