:root {
  color-scheme: dark light;
  --bg: #0b0b0f;
  --surface: #15151c;
  --panel: #1c1c24;
  --border: #2a2a35;
  --text: #ffffff;
  --muted: #9a9aaa;
  --accent: #d4af37;
  --accent-strong: #f0cd64;
  --danger: #ef6962;
  --success: #4fc17b;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fb;
    --surface: #ffffff;
    --panel: #f2f4f8;
    --border: #d8dde8;
    --text: #111827;
    --muted: #667085;
    --shadow: 0 16px 44px rgba(16, 24, 40, 0.12);
  }
}

* {
  box-sizing: border-box;
}

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

button,
select,
textarea {
  font: inherit;
}

.copilot-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  height: 100vh;
  min-height: 680px;
  background: var(--bg);
}

.copilot-main {
  position: relative;
  display: grid;
  grid-template-rows: 64px minmax(0, 1fr) auto;
  min-width: 0;
}

.copilot-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}

.selector-row,
.toolbar-actions,
.composer-footer,
.panel-tabs,
.panel-heading {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-return-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.app-return-link:hover,
.app-return-link:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  color: var(--accent-strong);
  outline: none;
}

.selector {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 180px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}

.selector span {
  font-size: 12px;
  color: var(--muted);
}

.selector select {
  min-width: 0;
  width: 100%;
  color: var(--text);
  background: transparent;
  border: 0;
  outline: 0;
}

.icon-button,
.new-analysis-button,
.ghost-button,
.panel-tab,
.suggestion,
.feedback-button,
.composer button {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--panel);
  border-radius: 8px;
  cursor: pointer;
}

.icon-button {
  width: 34px;
  height: 34px;
}

.new-analysis-button {
  min-height: 34px;
  padding: 0 12px;
  color: #0b0b0f;
  border-color: var(--accent);
  background: var(--accent);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.ghost-button {
  padding: 6px 10px;
  color: var(--muted);
}

.chat-scroll {
  overflow-y: auto;
  padding: 28px 28px 150px;
}

.welcome {
  max-width: 860px;
  margin: 40px auto 24px;
  text-align: center;
}

.copilot-mark {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent);
  background: var(--panel);
}

.welcome h1 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 650;
  letter-spacing: 0;
}

.welcome p {
  margin: 0 auto 24px;
  max-width: 640px;
  color: var(--muted);
  line-height: 1.5;
}

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

.suggestion {
  min-height: 70px;
  padding: 14px;
  text-align: left;
}

.suggestion:hover,
.icon-button:hover,
.new-analysis-button:hover,
.ghost-button:hover,
.feedback-button:hover {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--border));
}

.message {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  max-width: 920px;
  margin: 0 auto 24px;
}

.avatar {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--accent);
  background: var(--panel);
  font-size: 13px;
}

.message.user .avatar {
  color: var(--text);
}

.message-body {
  min-width: 0;
  line-height: 1.55;
}

.message.assistant .message-body {
  max-width: 820px;
}

.message-body p {
  margin: 0 0 12px;
}

.message-body p:last-child {
  margin-bottom: 0;
}

.message-body h3 {
  margin: 18px 0 8px;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
}

.message-body h3:first-child {
  margin-top: 0;
}

.message-body ul,
.message-body ol {
  display: grid;
  gap: 8px;
  margin: 8px 0 14px;
  padding-left: 22px;
}

.message-body li {
  padding-left: 2px;
}

.message-body li + li {
  margin-top: 2px;
}

.message-body strong {
  color: var(--text);
  font-weight: 700;
}

.message-body code {
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--accent);
  background: var(--panel);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.answer-table-wrap {
  width: 100%;
  margin: 10px 0 16px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 78%, transparent);
}

.answer-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13px;
}

.answer-table th,
.answer-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.answer-table th {
  color: var(--muted);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  font-size: 12px;
  font-weight: 700;
}

.answer-table td:first-child,
.answer-table th:first-child,
.answer-table td:nth-child(4),
.answer-table th:nth-child(4) {
  width: 1%;
  text-align: right;
  white-space: nowrap;
}

.answer-table td:nth-child(3),
.answer-table th:nth-child(3),
.answer-table td:nth-child(5),
.answer-table th:nth-child(5) {
  white-space: nowrap;
}

.answer-table tbody tr:last-child td {
  border-bottom: 0;
}

.answer-table tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.insight-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin: 0 2px;
  padding: 1px 7px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.84em;
  font-weight: 700;
  line-height: 1.45;
  vertical-align: baseline;
  background: var(--panel);
}

.insight-badge::before {
  display: inline-grid;
  place-items: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  color: #0b0b0f;
  font-size: 10px;
  line-height: 1;
}

.insight-badge.negative,
.insight-badge.high {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
  background: color-mix(in srgb, var(--danger) 10%, var(--panel));
}

.insight-badge.negative::before,
.insight-badge.high::before {
  content: "!";
  background: var(--danger);
}

.insight-badge.positive,
.insight-badge.low {
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 45%, var(--border));
  background: color-mix(in srgb, var(--success) 10%, var(--panel));
}

.insight-badge.positive::before,
.insight-badge.low::before {
  content: "+";
  background: var(--success);
}

.insight-badge.neutral,
.insight-badge.medium {
  color: var(--accent-strong);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
}

.insight-badge.neutral::before,
.insight-badge.medium::before {
  content: "i";
  background: var(--accent);
}

.detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 4px;
}

.insight-visuals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0 6px;
}

.insight-chart {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: color-mix(in srgb, var(--panel) 82%, transparent);
}

.insight-chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

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

.insight-chart-head span {
  color: var(--muted);
  font-size: 12px;
}

.radar-chart svg {
  display: block;
  width: 100%;
  max-width: 240px;
  margin: 0 auto;
}

.radar-ring {
  fill: transparent;
  stroke: color-mix(in srgb, var(--border) 82%, transparent);
  stroke-width: 1;
}

.radar-axis {
  stroke: color-mix(in srgb, var(--border) 82%, transparent);
  stroke-width: 1;
}

.radar-shape {
  fill: color-mix(in srgb, var(--accent) 28%, transparent);
  stroke: var(--accent);
  stroke-width: 2;
}

.radar-label {
  fill: var(--muted);
  font-size: 8px;
}

.mini-bars {
  display: grid;
  gap: 9px;
}

.mini-bar-row {
  display: grid;
  grid-template-columns: minmax(74px, 0.75fr) minmax(80px, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-width: 0;
  font-size: 12px;
}

.mini-bar-row span {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-bar-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--border) 70%, transparent);
}

.mini-bar-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.mini-bar-row b {
  font-size: 12px;
}

.detail-link,
.evidence-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 30px;
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  background: var(--panel);
  font-size: 12px;
  font-weight: 650;
  text-decoration: none;
}

.detail-link::before,
.evidence-link::before {
  content: "↗";
  margin-right: 6px;
  color: var(--accent);
}

.detail-link:hover,
.detail-link:focus-visible,
.evidence-link:hover,
.evidence-link:focus-visible {
  color: var(--accent-strong);
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  outline: none;
}

.stream-block {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 140ms ease, transform 140ms ease;
}

.stream-block.visible {
  opacity: 1;
  transform: translateY(0);
}

.answer-card {
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  overflow: hidden;
}

.answer-card-header,
.answer-card-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
  padding: 10px 12px;
}

.answer-card-header {
  color: var(--muted);
  font-size: 12px;
  border-bottom: 1px solid var(--border);
}

.answer-card-row + .answer-card-row {
  border-top: 1px solid var(--border);
}

.feedback-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.message-meta {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 4px 0 10px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: var(--panel);
  font-size: 12px;
}

.message-meta.cached {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}

.feedback-button {
  padding: 7px 10px;
  color: var(--muted);
  font-size: 13px;
}

.composer {
  position: absolute;
  right: 28px;
  bottom: 24px;
  left: 28px;
  max-width: 920px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.composer:focus-within {
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border));
}

.composer textarea {
  display: block;
  width: 100%;
  min-height: 64px;
  max-height: 190px;
  padding: 14px;
  resize: none;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
}

.composer-footer {
  justify-content: space-between;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  background: var(--panel);
}

.composer button {
  padding: 8px 14px;
  color: #0b0b0f;
  border-color: var(--accent);
  background: var(--accent);
  font-weight: 650;
}

.right-panel {
  display: grid;
  grid-template-rows: 48px minmax(0, 1fr);
  min-width: 0;
  border-left: 1px solid var(--border);
  background: var(--surface);
}

.panel-tabs {
  padding: 8px;
  border-bottom: 1px solid var(--border);
}

.panel-tab {
  flex: 1;
  padding: 8px;
  color: var(--muted);
}

.panel-tab.active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}

.panel-section {
  display: none;
  min-height: 0;
  padding: 16px;
}

.panel-section.active {
  display: block;
}

#historyPanel.active {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
}

#evidencePanel.active {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.panel-heading {
  justify-content: space-between;
  margin-bottom: 14px;
}

.panel-heading h2 {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0;
}

.muted,
.empty-state {
  color: var(--muted);
}

.session-list,
.evidence-list {
  display: grid;
  gap: 10px;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.history-search {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.history-search span {
  color: var(--muted);
  font-size: 12px;
}

.history-search input {
  width: 100%;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel);
  outline: 0;
}

.history-search input:focus {
  border-color: color-mix(in srgb, var(--accent) 65%, var(--border));
}

.session-item,
.evidence-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: var(--panel);
}

.session-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.session-item.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent), 0 0 0 3px color-mix(in srgb, var(--accent) 10%, transparent);
}

.session-item.active .session-title {
  color: var(--accent-strong);
}

.session-item button {
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.session-item > button:first-child {
  min-width: 0;
}

.session-delete {
  padding: 5px 8px !important;
  border: 1px solid var(--border) !important;
  border-radius: 6px;
  color: var(--muted) !important;
  font-size: 11px;
  text-align: center !important;
}

.session-delete:hover {
  color: var(--danger) !important;
  border-color: color-mix(in srgb, var(--danger) 55%, var(--border)) !important;
}

.session-title,
.evidence-title {
  margin: 0 0 5px;
  font-size: 13px;
  font-weight: 650;
}

.session-meta,
.evidence-meta {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.evidence-meta + .evidence-meta {
  margin-top: 5px;
}

.evidence-link {
  margin-top: 10px;
}

.loading {
  opacity: 0.72;
}

.message.loading .message-body::after {
  content: ".";
  display: inline-block;
  min-width: 3ch;
  margin-left: 2px;
  animation: loadingDots 1.25s steps(1, end) infinite;
}

@keyframes loadingDots {
  0% { content: "."; }
  20% { content: ".."; }
  40% { content: "..."; }
  60% { content: "...."; }
  80% { content: "....."; }
  100% { content: "......"; }
}

.error {
  color: var(--danger);
}

@media (max-width: 980px) {
  .copilot-shell {
    grid-template-columns: 1fr;
  }

  .right-panel {
    position: fixed;
    inset: 64px 0 0 auto;
    width: min(360px, 92vw);
    transform: translateX(100%);
    transition: transform 160ms ease;
    box-shadow: var(--shadow);
  }

  .right-panel.open {
    transform: translateX(0);
  }
}

@media (max-width: 680px) {
  .copilot-toolbar {
    align-items: stretch;
    flex-direction: column;
    height: auto;
  }

  .selector-row {
    flex-direction: column;
    align-items: stretch;
  }

  .selector {
    width: 100%;
  }

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

  .chat-scroll {
    padding: 20px 16px 160px;
  }

  .composer {
    right: 12px;
    left: 12px;
    bottom: 12px;
  }

  .insight-visuals {
    grid-template-columns: 1fr;
  }
}