:root {
  color-scheme: light;
  --ink: #1c2430;
  --muted: #5f6b7a;
  --line: #d8dee8;
  --soft: #f3f6f9;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --gold: #a15c11;
  --blue: #245b91;
  --danger: #a23a3a;
  --shadow: 0 16px 42px rgba(28, 36, 48, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: #eef2f5;
  font: 14px/1.45 "Segoe UI", Roboto, Arial, sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 18px 14px;
  background: #17202c;
  color: #f7fafc;
}

.brand {
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 48px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: #0f766e;
  font-weight: 700;
}

.brand span:last-child,
.rail-footer {
  color: #b7c1cc;
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav-item {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 40px;
  border: 1px solid transparent;
  padding: 8px 10px;
  color: #dce5ee;
  background: transparent;
  text-align: left;
}

.nav-item:hover,
.nav-item.is-active {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.09);
  color: #ffffff;
}

.rail-footer {
  margin-top: auto;
  padding: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.workspace {
  min-width: 0;
  padding: 18px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) 150px 170px 180px;
  gap: 10px;
  align-items: center;
}

.toolbar select[hidden] {
  display: none;
}

.searchbox {
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.searchbox input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
}

.searchbox input {
  border: 0;
  outline: 0;
}

select {
  padding: 0 10px;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(90px, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.stat {
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.stat strong {
  display: block;
  font-size: 18px;
}

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

.content-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(420px, 1.1fr);
  gap: 14px;
  align-items: start;
}

.content-grid.is-training {
  grid-template-columns: 320px minmax(620px, 1fr);
}

.results-panel,
.detail-panel {
  min-height: calc(100vh - 150px);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

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

.panel-head h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

#resultCount {
  color: var(--muted);
  font-size: 12px;
}

.quick-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: #fafbfc;
}

.tool-button,
.copy-button,
.edit-button,
.save-button,
.source-link {
  min-height: 32px;
  border: 1px solid var(--line);
  padding: 6px 10px;
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
}

.tool-button:hover,
.copy-button:hover,
.edit-button:hover,
.save-button:hover,
.source-link:hover {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.save-button {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.save-button:hover {
  background: var(--accent-strong);
  color: #ffffff;
}

.results-list {
  display: grid;
  max-height: calc(100vh - 238px);
  overflow: auto;
}

.result {
  display: grid;
  gap: 6px;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 13px 16px;
  background: transparent;
  text-align: left;
}

.result:hover,
.result.is-selected {
  background: #eef7f5;
}

.training-module-button {
  min-height: 92px;
}

.training-note {
  color: var(--muted);
  font-size: 13px;
}

.result-title {
  font-weight: 700;
}

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

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  border: 1px solid var(--line);
  padding: 2px 7px;
  background: #f8fafb;
  color: #475464;
}

.chip.law {
  border-color: #b8d7d3;
  color: var(--accent-strong);
}

.chip.case {
  border-color: #c8d8ec;
  color: var(--blue);
}

.chip.library {
  border-color: #e5cfb5;
  color: var(--gold);
}

.detail-panel {
  position: sticky;
  top: 18px;
  max-height: calc(100vh - 36px);
  overflow: auto;
}

#detail {
  padding: 18px;
}

.empty-detail {
  display: grid;
  place-items: center;
  min-height: 420px;
  color: var(--muted);
  text-align: center;
}

.detail-title {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.2;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

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

.editor-panel {
  display: grid;
  gap: 12px;
  margin-top: 16px;
  padding: 14px;
  border: 1px solid #b8d7d3;
  background: #f2fbf8;
}

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

.editor-head h2 {
  margin: 0;
  font-size: 16px;
}

.editor-head span,
#saveStatus {
  color: var(--muted);
  font-size: 12px;
}

.editor-panel label {
  display: grid;
  gap: 5px;
  font-weight: 700;
}

.editor-panel textarea,
.editor-panel input {
  width: 100%;
  border: 1px solid var(--line);
  padding: 9px;
  background: #ffffff;
  color: var(--ink);
  font: inherit;
  font-weight: 400;
}

.editor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.section h2 {
  margin: 0 0 8px;
  font-size: 15px;
}

.section-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.section-heading-row h2 {
  margin: 0;
}

.muted-line {
  margin-top: 0;
  color: var(--muted);
  font-size: 12px;
}

.ai-section {
  border-top-color: #b8d7d3;
}

.precedent-section {
  border-top-color: #d9b56f;
  background: #fffaf0;
  margin-left: -10px;
  margin-right: -10px;
  padding-left: 10px;
  padding-right: 10px;
}

.text-block {
  white-space: pre-wrap;
  max-height: 360px;
  overflow: auto;
  border: 1px solid var(--line);
  padding: 12px;
  background: #fbfcfd;
}

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

.table th,
.table td {
  border-bottom: 1px solid var(--line);
  padding: 8px;
  text-align: left;
  vertical-align: top;
}

.table th {
  color: var(--muted);
  font-weight: 600;
  background: #f7f9fb;
}

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

.mini-item {
  border: 1px solid var(--line);
  padding: 10px;
  background: #fbfcfd;
}

details.mini-item {
  padding: 0;
}

details.mini-item summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px;
  cursor: pointer;
  font-weight: 700;
}

details.mini-item p,
.post-body {
  margin: 0;
  padding: 0 10px 10px;
  white-space: pre-wrap;
}

.subsection {
  margin-top: 12px;
}

.subsection ul,
.table ul {
  margin: 6px 0 0;
  padding-left: 18px;
}

.text-block-full {
  max-height: 620px;
}

.training-guide {
  display: grid;
  gap: 14px;
}

.training-hero {
  padding: 20px;
  border: 1px solid var(--line);
  background: #f7fbfa;
}

.training-hero h1 {
  margin: 10px 0 8px;
  font-size: 28px;
  line-height: 1.15;
}

.training-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
}

.training-card {
  padding: 16px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.training-card h2 {
  margin: 0 0 10px;
  font-size: 17px;
}

.training-card ul {
  margin: 0;
  padding-left: 20px;
}

.training-card li + li {
  margin-top: 8px;
}

.training-drills {
  border-color: #d9b56f;
  background: #fffaf0;
}

.template-block {
  margin: 12px 0 0;
  max-height: 520px;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  border: 1px solid var(--line);
  background: #fbfcfd;
  padding: 14px;
  font: 13px/1.55 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

mark {
  background: #fff2a8;
  padding: 0 2px;
}

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

  .rail {
    position: sticky;
    top: 0;
    z-index: 2;
  }

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

  .toolbar,
  .content-grid,
  .stats-strip {
    grid-template-columns: 1fr;
  }

  .detail-panel {
    position: static;
    max-height: none;
  }
}