:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #eef2f5;
  --ink: #17201d;
  --muted: #617069;
  --line: #d9e0e5;
  --green: #1f7a4d;
  --green-soft: #dcece2;
  --blue: #315f87;
  --blue-soft: #dbe8f1;
  --purple: #6735c7;
  --purple-soft: #ebe3fb;
  --amber: #9a641d;
  --amber-soft: #f2e7d4;
  --red: #a4443d;
  --red-soft: #f2dddd;
  --shadow: 0 10px 30px rgba(22, 34, 29, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
  padding-bottom: 86px;
}

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

.topbar,
.section-head,
.topbar-status,
.trigger-labels {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar {
  padding: 10px 0 14px;
}

.header-brief {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.data-status-bar {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.data-status-bar div {
  min-height: 70px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.data-status-bar span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 680;
  margin-bottom: 8px;
}

.data-status-bar strong {
  display: block;
  font-size: 13px;
  line-height: 1.35;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 32px;
  line-height: 1.12;
  font-weight: 760;
}

h2 {
  font-size: 18px;
  line-height: 1.2;
}

.eyebrow {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.command-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.command-grid .metric-card {
  min-height: 118px;
}

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

.metric-card {
  min-height: 124px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card.accent {
  background: #10231d;
  color: #f6faf6;
}

.metric-card.accent .metric-label,
.metric-card.accent small {
  color: #c8d8d0;
}

.metric-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.metric-card strong {
  display: block;
  font-size: 24px;
  line-height: 1.1;
  font-weight: 760;
  white-space: nowrap;
}

.metric-card small,
.gate-grid small,
.data-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

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

.overview-grid {
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}

.lower-info-grid {
  grid-template-columns: 1fr;
}

.layout-grid.lower {
  align-items: stretch;
}

.layout-grid.single-panel-grid {
  grid-template-columns: 1fr;
}

.panel {
  padding: 20px;
  margin-bottom: 16px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
  white-space: nowrap;
}

.status-pill.ok {
  background: var(--green-soft);
  color: var(--green);
  border-color: #bad9c6;
}

.status-pill.warn {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: #dec79f;
}

.status-pill.bad {
  background: var(--red-soft);
  color: var(--red);
  border-color: #e0b8b4;
}

.status-pill.black {
  background: #1c1f1d;
  color: #ffffff;
  border-color: #1c1f1d;
}

.ok-text {
  color: var(--green);
}

.warn-text {
  color: var(--amber);
}

.bad-text {
  color: var(--red);
}

.status-pill.neutral {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: #bfd0dc;
}

.logout-button {
  min-height: 30px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 720;
  cursor: pointer;
}

.logout-button:hover {
  border-color: #aebbc4;
  background: #f8fafb;
}

.split-metrics,
.risk-status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.split-metrics div,
.risk-status-grid div {
  min-height: 88px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfa;
}

.split-metrics span,
.risk-status-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  margin-bottom: 10px;
}

.split-metrics strong,
.risk-status-grid strong {
  display: block;
  font-size: 20px;
  line-height: 1.15;
}

.risk-status-grid small {
  color: var(--muted);
  display: block;
  font-size: 12px;
  line-height: 1.45;
  margin-top: 8px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.compact-channel-grid {
  grid-template-columns: 1fr;
}

.channel-grid > div {
  display: grid;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.channel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.channel-title span {
  font-size: 15px;
  font-weight: 760;
}

.channel-title small {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.channel-grid dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.channel-grid dl div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.channel-grid dt {
  color: var(--muted);
  font-size: 12px;
}

.channel-grid dd {
  font-size: 14px;
  font-weight: 740;
  text-align: right;
}

.data-note {
  margin-top: 14px;
  padding: 12px 14px;
  border-left: 3px solid var(--amber);
  background: #fff8eb;
}

.trigger-visual {
  margin: 22px 0 18px;
}

.period-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.period-tabs button {
  min-width: 44px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfcfa;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 720;
}

.period-tabs button.active {
  background: var(--green-soft);
  color: var(--green);
  border-color: #bad9c6;
}

.portfolio-trend {
  margin-top: 18px;
}

.trend-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.trend-title-row h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.2;
}

.trend-title-row p,
.chart-range-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.chart-tabs {
  margin-top: 12px;
}

.trend-placeholder {
  position: relative;
  min-height: 246px;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fbfcfa 0%, #f5f7f8 100%);
  overflow: hidden;
}

.return-chart {
  cursor: crosshair;
}

.trend-placeholder svg {
  width: 100%;
  height: 220px;
  display: block;
}

.trend-placeholder line {
  stroke: #cbd4db;
  stroke-width: 1;
}

.trend-placeholder path {
  fill: none;
  stroke: var(--green);
  stroke-width: 5;
  stroke-linecap: round;
}

.trend-placeholder path.compare {
  stroke: var(--blue);
  stroke-width: 4;
  stroke-dasharray: 8 8;
}

.trend-copy {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
}

.chart-crosshair {
  position: absolute;
  top: 36px;
  bottom: 68px;
  width: 1px;
  background: rgba(49, 95, 135, 0.55);
  opacity: 0;
  pointer-events: none;
}

.chart-tooltip {
  position: absolute;
  z-index: 3;
  width: min(250px, calc(100% - 36px));
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 120ms ease, transform 120ms ease;
}

.chart-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.chart-tooltip strong {
  font-size: 13px;
}

.chart-tooltip span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.trend-copy strong {
  font-size: 14px;
}

.trend-copy span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.trend-legend {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.trend-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trend-legend i {
  width: 18px;
  height: 3px;
  border-radius: 999px;
}

.legend-main {
  background: var(--green);
}

.legend-compare {
  background: repeating-linear-gradient(90deg, var(--blue), var(--blue) 5px, transparent 5px, transparent 8px);
}

.chart-readout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

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

.chart-readout-card {
  min-height: 76px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.chart-readout-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
  margin-bottom: 8px;
}

.chart-readout-card strong {
  display: block;
  font-size: 22px;
  line-height: 1.05;
  white-space: nowrap;
}

.chart-readout-card small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  margin-top: 6px;
}

.asset-chart,
.ai-core-chart {
  position: relative;
  height: 320px;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  overflow: hidden;
  cursor: crosshair;
  touch-action: none;
}

.asset-chart svg,
.ai-core-chart svg {
  width: 100%;
  height: 100%;
  display: block;
}

.asset-chart line,
.ai-core-chart line {
  stroke: #cbd4db;
  stroke-width: 1;
}

.asset-chart .axis-line,
.ai-core-chart .axis-line {
  stroke: #c7d0d7;
  stroke-width: 1;
}

.asset-chart .grid-line,
.ai-core-chart .grid-line {
  stroke: #e3e8ec;
  stroke-width: 1;
}

.ai-core-chart .high-line,
.ai-core-chart line.threshold {
  stroke: rgba(154, 100, 29, 0.5);
  stroke-dasharray: 7 7;
}

.asset-chart .axis-label,
.ai-core-chart .axis-label,
.ai-core-chart .high-label {
  fill: #34443e;
  font-size: 13px;
  font-weight: 760;
}

.ai-core-chart .high-label {
  fill: var(--amber);
}

.asset-chart path,
.ai-core-chart path {
  fill: none;
  stroke: var(--green);
  stroke-width: 5;
  stroke-linecap: round;
}

.asset-chart path.chart-area {
  fill: url(#asset-area-gradient);
  stroke: none;
}

.asset-chart #asset-trend-path {
  stroke: var(--blue);
}

.asset-chart circle,
.ai-core-chart circle {
  fill: var(--green);
  stroke: #ffffff;
  stroke-width: 3;
}

.asset-chart circle {
  fill: var(--blue);
}

.asset-chart .hover-line,
.ai-core-chart .hover-line {
  stroke: rgba(49, 95, 135, 0.62);
  stroke-width: 1;
  opacity: 0;
  pointer-events: none;
}

.asset-chart .hover-line.horizontal,
.ai-core-chart .hover-line.horizontal {
  stroke: rgba(31, 122, 77, 0.52);
  stroke-dasharray: 4 4;
}

.asset-chart .hover-dot,
.ai-core-chart .hover-dot {
  fill: var(--blue);
  stroke: #ffffff;
  stroke-width: 3;
  opacity: 0;
  pointer-events: none;
}

.asset-chart .hover-line.visible,
.asset-chart .hover-dot.visible,
.ai-core-chart .hover-line.visible,
.ai-core-chart .hover-dot.visible {
  opacity: 1;
}

.chart-value-chip,
.chart-date-chip {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid rgba(23, 32, 29, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 18px rgba(22, 34, 29, 0.12);
  color: var(--ink);
  font-size: 12px;
  font-weight: 760;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
}

.chart-date-chip {
  color: var(--muted);
  font-weight: 720;
}

.chart-value-chip.visible,
.chart-date-chip.visible {
  opacity: 1;
}

.ai-core-tooltip {
  top: 12px;
  left: 18px;
}

.ai-core-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 16px;
  align-items: stretch;
}

.ai-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.ai-metric-grid div {
  min-height: 78px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.ai-metric-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 680;
  margin-bottom: 8px;
}

.ai-metric-grid strong {
  display: block;
  font-size: 20px;
  line-height: 1.15;
}

.bar-track {
  position: relative;
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: linear-gradient(90deg, #cfe3d7 0%, #cfe3d7 38%, #f1dfb8 38%, #f1dfb8 72%, #e8bcb8 72%);
}

.bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: #12382d;
  transition: width 250ms ease;
}

.trigger-labels {
  color: var(--muted);
  font-size: 12px;
  margin-top: 8px;
}

.detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 0;
}

.detail-list.four-col {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 18px;
}

.detail-list div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 720;
  text-align: right;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: 18px;
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  font-size: 13px;
}

th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 740;
  background: #f8faf7;
}

td strong {
  font-size: 14px;
}

.quality-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.diagnostic-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.diagnostic-summary div {
  min-height: 82px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  background: #fbfcfa;
}

.diagnostic-summary span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 680;
  margin-bottom: 10px;
}

.diagnostic-summary strong {
  display: block;
  font-size: 22px;
  line-height: 1.1;
}

.diagnostics-details {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.diagnostics-details summary {
  cursor: pointer;
  padding: 13px 14px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 760;
}

.diagnostics-details[open] summary {
  border-bottom: 1px solid var(--line);
}

.quality-item {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.quality-item span {
  font-size: 12px;
  font-weight: 760;
}

.quality-item p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.quality-item.warn span {
  color: var(--amber);
}

.quality-item.ok span {
  color: var(--green);
}

.quality-item.bad span {
  color: var(--red);
}

.quality-item.todo span {
  color: var(--blue);
}

.quality-list.grouped {
  padding: 14px;
  margin-top: 0;
}

.quality-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  overflow: hidden;
}

.quality-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  background: #f8faf7;
  border-bottom: 1px solid var(--line);
}

.quality-group-head span {
  font-size: 13px;
  font-weight: 780;
}

.quality-group-head strong {
  min-width: 28px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 12px;
}

.quality-group.warn .quality-group-head span {
  color: var(--amber);
}

.quality-group.bad .quality-group-head span {
  color: var(--red);
}

.quality-group.ok .quality-group-head span {
  color: var(--green);
}

.quality-group.todo .quality-group-head span {
  color: var(--blue);
}

.quality-group ul {
  margin: 0;
  padding: 10px 18px 12px 28px;
}

.quality-group li {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  margin: 5px 0;
}

.compact-panel {
  align-self: start;
}

.compact-note {
  margin-top: 10px;
}

.compact table {
  min-width: 680px;
}

.srs-wrap table {
  min-width: 1080px;
}

.srs-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.srs-summary-grid div {
  min-height: 82px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.srs-summary-grid span,
.srs-value-cell span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 680;
}

.srs-summary-grid strong {
  display: block;
  font-size: 20px;
  line-height: 1.1;
  margin: 8px 0 6px;
}

.srs-summary-grid small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.srs-value-cell {
  display: grid;
  gap: 5px;
}

.srs-value-cell strong {
  font-size: 14px;
}

.srs-indicator-group {
  margin-top: 16px;
}

.srs-indicator-group.context {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.srs-subhead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.srs-subhead h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.2;
}

.srs-subhead p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.quality-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 720;
  white-space: nowrap;
}

.quality-tag.official,
.quality-tag.confirmed {
  background: var(--green-soft);
  color: var(--green);
  border-color: #bad9c6;
}

.quality-tag.proxy {
  background: var(--amber-soft);
  color: var(--amber);
  border-color: #dec79f;
}

.quality-tag.missing {
  background: var(--red-soft);
  color: var(--red);
  border-color: #e0b8b4;
}

.status-mismatch-row td {
  background: #fffaf1;
}

.srs-threshold-details {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.srs-threshold-details summary {
  cursor: pointer;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 760;
}

.srs-threshold-details[open] summary {
  border-bottom: 1px solid var(--line);
}

.srs-threshold-detail-list {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.srs-threshold-detail-list div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 12px;
}

.srs-threshold-detail-list strong {
  display: block;
  font-size: 13px;
  margin-bottom: 8px;
}

.srs-threshold-detail-list p,
.srs-threshold-detail-list li {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.srs-threshold-detail-list ul {
  margin: 0;
  padding-left: 18px;
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.8fr);
  gap: 16px;
  padding: 18px 0 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.footer[hidden] {
  display: none !important;
}

.footer > div {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

@media (max-width: 1180px) {
  .hero-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .detail-list.four-col,
  .ai-core-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 820px) {
  .app-shell {
    padding: 14px;
  }

  .topbar,
  .layout-grid {
    display: block;
  }

  .topbar {
    padding-bottom: 12px;
  }

.topbar-status {
  justify-content: flex-start;
  margin-top: 10px;
  flex-wrap: wrap;
  gap: 8px;
  }

  .data-status-bar,
  .split-metrics,
  .srs-summary-grid,
  .risk-status-grid,
  .detail-list,
  .detail-list.four-col,
  .footer,
  .ai-core-layout,
  .ai-metric-grid,
  .diagnostic-summary {
    grid-template-columns: 1fr;
  }

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

  .executive-grid .metric-card.accent {
    grid-column: 1 / -1;
  }

  .executive-grid .metric-card {
    min-height: 108px;
    padding: 14px;
  }

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

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

  .ai-readout-grid .chart-readout-card:first-child {
    grid-column: 1 / -1;
  }

  .chart-readout-card {
    min-height: 70px;
    padding: 11px;
  }

  .chart-readout-card strong {
    font-size: 20px;
  }

  .asset-chart,
  .ai-core-chart {
    height: 290px;
  }

  .asset-chart svg,
  .ai-core-chart svg {
    height: 100%;
  }

  .period-tabs {
    gap: 7px;
  }

  .period-tabs button {
    min-width: auto;
    height: 30px;
    padding: 0 10px;
  }

  .channel-title,
  .channel-grid dl div {
    grid-template-columns: 1fr;
    display: grid;
    text-align: left;
  }

  .channel-title small,
  .channel-grid dd {
    text-align: left;
  }

  .metric-card strong {
    font-size: 21px;
  }

  h1 {
    font-size: 30px;
  }

  .header-brief {
    font-size: 12px;
    margin-top: 10px;
  }

  .panel {
    padding: 16px;
  }

  .split-metrics div,
  .risk-status-grid div {
    min-height: 76px;
    padding: 12px;
  }

  .split-metrics strong,
  .risk-status-grid strong {
    font-size: 18px;
  }
}

.workspace-nav,
.ai-signal-tabs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 38px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.workspace-nav {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 30;
  transform: translateX(-50%);
  width: min(440px, calc(100vw - 32px));
  min-height: 54px;
  padding: 6px;
  border-color: rgba(23, 32, 29, 0.12);
  border-radius: 12px;
  box-shadow: 0 18px 50px rgba(22, 34, 29, 0.18);
}

.workspace-nav button,
.ai-signal-tabs button {
  min-height: 30px;
  padding: 0 13px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
  cursor: pointer;
}

.workspace-nav button {
  flex: 1;
  min-height: 42px;
  font-size: 14px;
}

.workspace-nav button.active,
.ai-signal-tabs button.active {
  background: var(--green);
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(31, 122, 77, 0.18);
}

.workspace-nav button[data-workspace="ai-infra"].active {
  background: var(--purple);
  box-shadow: 0 6px 14px rgba(103, 53, 199, 0.18);
}

.workspace-view[hidden],
.ai-tab-panel[hidden],
.ai-detail-view[hidden] {
  display: none !important;
}

.workspace-view:not(.active),
.ai-tab-panel:not(.active) {
  display: none;
}

.ai-signal-shell {
  display: grid;
  gap: 16px;
}

.ai-signal-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbf9 100%);
  box-shadow: var(--shadow);
}

.ai-signal-hero[hidden] {
  display: none !important;
}

.ai-signal-toolbar {
  display: grid;
  grid-template-columns: minmax(140px, 180px) minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}

.ai-signal-toolbar select {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.ai-signal-toolbar select {
  width: 100%;
  padding: 0 12px;
  outline: 0;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}

.ai-section-tabs,
.ai-favorite-feed-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding: 2px 0 6px;
  scrollbar-width: thin;
}

.ai-favorite-feed-tabs {
  margin: 14px 0 16px;
}

.ai-section-tabs button,
.ai-favorite-feed-tabs button {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 760;
  cursor: pointer;
}

.ai-section-tabs button.active,
.ai-favorite-feed-tabs button.active {
  border-color: var(--green);
  background: var(--green);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(31, 122, 77, 0.16);
}

.ai-favorite-feed-tabs button[data-ai-favorite-feed="infra"].active {
  border-color: var(--purple);
  background: var(--purple);
  box-shadow: 0 8px 18px rgba(103, 53, 199, 0.16);
}

.ai-digest-summary {
  margin-bottom: 16px;
}

.ai-key-conclusions {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.ai-key-conclusions p {
  padding: 10px 12px;
  border: 1px solid #d8e8df;
  border-radius: 8px;
  background: #f7fbf8;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
}

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

.ai-signal-list.compact {
  grid-template-columns: 1fr;
}

.ai-signal-card {
  display: grid;
  gap: 12px;
  min-height: 246px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.ai-signal-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.ai-signal-card-controls,
.ai-detail-head-actions {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.ai-feed-badge.ai-feed-badge-product {
  border-color: #b8d9c3;
  background: var(--green-soft);
  color: var(--green);
}

.ai-feed-badge.ai-feed-badge-infra {
  border-color: #d1c2f3;
  background: var(--purple-soft);
  color: var(--purple);
}

.ai-signal-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 28px;
  border-radius: 7px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 780;
  font-size: 13px;
}

.ai-signal-meta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 680;
  line-height: 1.4;
}

.ai-signal-card h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.32;
}

.ai-signal-summary,
.ai-signal-insight,
.ai-signal-analysis,
.ai-signal-evidence li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.ai-signal-insight {
  padding: 10px 12px;
  border: 1px solid #edd7b5;
  border-radius: 8px;
  background: #fff9ef;
  color: #5c421d;
}

.ai-signal-card-insight {
  margin: 0;
}

.ai-signal-card-insight span {
  display: block;
  margin-bottom: 4px;
  color: #8a611d;
  font-size: 11px;
  font-weight: 820;
}

.ai-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 12px;
  font-weight: 720;
}

.ai-signal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  margin-top: auto;
  flex-wrap: nowrap;
}

.ai-signal-actions .ai-secondary-action,
.ai-signal-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
}

.ai-signal-actions .ai-secondary-action {
  color: var(--blue);
}

.ai-signal-actions a.primary {
  border-color: var(--green);
  background: var(--green);
  color: #ffffff;
}

.ai-favorite-icon {
  display: inline-flex;
  flex: 0 0 34px;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: #9aa6ad;
  font: inherit;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.ai-favorite-icon:hover {
  border-color: #ead19c;
  background: #fffaf0;
  color: var(--amber);
}

.ai-favorite-icon.saved {
  border-color: #ead19c;
  background: #fff4d8;
  color: var(--amber);
  box-shadow: 0 8px 18px rgba(154, 100, 29, 0.14);
}

.ai-empty {
  grid-column: 1 / -1;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

.ai-empty.auth-empty {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.ai-empty.auth-empty strong,
.ai-empty.auth-empty span {
  display: block;
}

.auth-required-panel {
  width: min(420px, 100%);
  margin: 60px auto;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
}

.auth-avatar {
  width: 78px;
  height: 78px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 38%, #8aa49a 0 13px, transparent 14px),
    radial-gradient(circle at 50% 86%, #cddbd5 0 28px, transparent 29px),
    #eef5f1;
}

.auth-required-panel h2 {
  font-size: 20px;
}

.auth-required-panel p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.auth-action-row {
  justify-content: center;
  margin: 18px 0 0;
}

.auth-required-panel ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 22px;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
  list-style: none;
  text-align: left;
}

.auth-required-panel li::before {
  content: "✓";
  display: inline-block;
  width: 22px;
  color: var(--green);
  font-weight: 800;
}

.primary-action {
  min-height: 42px;
  padding: 0 22px;
  border: 1px solid var(--green);
  border-radius: 8px;
  background: var(--green);
  color: #ffffff;
  font: inherit;
  font-size: 14px;
  font-weight: 780;
  cursor: pointer;
}

.secondary-action {
  min-height: 42px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  font-weight: 780;
  cursor: pointer;
}

.reader-profile-panel {
  max-width: 920px;
  margin: 0 auto;
}

.reader-profile-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 12px 0 4px;
}

.ai-profile-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.ai-profile-grid div {
  min-height: 84px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.ai-profile-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
}

.ai-profile-grid strong {
  display: block;
  font-size: 18px;
  line-height: 1.25;
}

.feedback-panel {
  margin-bottom: 16px;
}

.feedback-form {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.feedback-form label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.feedback-form textarea {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  color: var(--ink);
  background: #fbfcfa;
  font: inherit;
  font-size: 14px;
  line-height: 1.55;
}

.feedback-form textarea:focus {
  outline: 2px solid rgba(31, 122, 77, 0.22);
  border-color: var(--green);
}

.feedback-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.feedback-status {
  min-height: 20px;
  color: var(--red);
  font-size: 12px;
  line-height: 1.4;
}

.feedback-status.ok {
  color: var(--green);
}

.reader-feedback-form {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.guest-feedback-form {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  text-align: left;
}

.feedback-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.feedback-item,
.feedback-empty {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.feedback-item-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.feedback-item-head strong {
  color: var(--ink);
  font-size: 14px;
}

.feedback-item-head span,
.feedback-empty {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.feedback-item p {
  margin-top: 8px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.ai-detail-view {
  display: grid;
  gap: 12px;
  align-items: start;
}

.detail-back-button[hidden] {
  display: none !important;
}

.detail-back-button {
  min-height: 30px;
  padding: 5px 12px;
  border: 1px solid rgba(31, 122, 77, 0.28);
  border-radius: 8px;
  background: var(--green-soft);
  color: var(--green);
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.detail-back-button:hover {
  border-color: rgba(31, 122, 77, 0.45);
  background: #eef7f1;
}

.detail-back-button.floating {
  position: fixed;
  right: 18px;
  bottom: 92px;
  z-index: 80;
  min-height: 44px;
  padding: 0 16px;
  border-color: transparent;
  background: var(--ink);
  color: #ffffff;
  box-shadow: 0 18px 42px rgba(22, 34, 29, 0.24);
}

.detail-back-button.floating:hover {
  background: #26332f;
}

.ai-detail-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.ai-detail-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.ai-detail-head > div:first-child {
  min-width: 0;
}

.ai-detail-head h2 {
  margin-top: 6px;
  font-size: 22px;
  line-height: 1.25;
}

.ai-detail-card section {
  display: grid;
  gap: 8px;
}

.ai-detail-card h3 {
  margin: 0;
  font-size: 14px;
  line-height: 1.2;
}

.ai-detail-card p,
.ai-detail-card li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.ai-detail-card ol {
  margin: 0;
  padding-left: 22px;
}

.ai-detail-actions {
  justify-content: flex-end;
  margin-top: 0;
}

.ai-original-box {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

@media (max-width: 960px) {
  .ai-signal-list,
  .ai-signal-toolbar,
  .ai-profile-grid {
    grid-template-columns: 1fr;
  }

  .ai-signal-hero {
    display: grid;
    align-items: stretch;
  }
}

@media (max-width: 560px) {
  .workspace-nav,
  .ai-signal-tabs {
    width: 100%;
  }

  .workspace-nav button,
  .ai-signal-tabs button {
    flex: 1;
    padding: 0 8px;
  }

  .ai-signal-card {
    min-height: auto;
  }

  .ai-signal-actions {
    align-items: center;
    flex-direction: row;
    flex-wrap: nowrap;
  }

  .ai-signal-actions .ai-secondary-action,
  .ai-signal-actions a {
    flex: 1 1 0;
    min-width: 0;
    width: auto;
    padding: 0 8px;
    white-space: nowrap;
  }

  .ai-signal-card-controls,
  .ai-detail-head-actions {
    gap: 6px;
  }

  .detail-back-button.floating {
    right: 14px;
    bottom: 86px;
  }
}