:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-2: #eef3f6;
  --ink: #162033;
  --muted: #667386;
  --line: #d8e0e8;
  --line-strong: #c4cfda;
  --blue: #1f6feb;
  --blue-soft: #eaf2ff;
  --teal: #138a88;
  --teal-soft: #e6f5f3;
  --amber: #b7791f;
  --amber-soft: #fff4dd;
  --green: #238636;
  --green-soft: #e8f7ed;
  --rose: #c2415b;
  --rose-soft: #ffe9ef;
  --violet: #725ac1;
  --violet-soft: #f1edff;
  --shadow: 0 18px 50px rgba(20, 33, 52, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

button:disabled {
  border-color: var(--line-strong) !important;
  background: #eef2f6 !important;
  color: #738196 !important;
}

input[readonly] {
  background: #f8fafc;
  color: #4d5a6c;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(31, 111, 235, 0.22);
  outline-offset: 2px;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

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

.side-rail {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 20px;
  border-right: 1px solid var(--line);
  background: #101827;
  color: #e7edf6;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: #1f6feb;
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: #a9b4c5;
  font-size: 12px;
}

.mode-nav {
  display: grid;
  align-content: start;
  gap: 8px;
}

.nav-item {
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: #cdd6e3;
  text-align: left;
}

.nav-item:hover,
.nav-item.active {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.nav-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.10);
  font-size: 12px;
  font-weight: 800;
}

.rail-status {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  color: #bac6d7;
  font-size: 12px;
}

.status-dot {
  width: 8px;
  height: 8px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--green);
}

.workspace {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 16px;
  min-width: 0;
  padding: 22px;
}

.workspace-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
}

.eyebrow,
.meta-label,
.panel-kicker {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.workspace-header h1 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.2;
}

.matter-controls {
  display: grid;
  gap: 6px;
  min-width: min(360px, 100%);
}

.matter-controls label,
.form-field label {
  color: #4c596b;
  font-size: 12px;
  font-weight: 800;
}

.matter-controls select,
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 8px 10px;
}

.form-field textarea {
  min-height: 84px;
  resize: vertical;
}

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

.governance-strip > div {
  min-height: 70px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(20, 33, 52, 0.04);
}

.governance-strip strong {
  display: block;
  font-size: 14px;
}

.workspace-body {
  min-width: 0;
}

.mode-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 14px;
  align-items: start;
}

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

.mode-grid.three {
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.2fr) minmax(280px, 0.8fr);
}

.panel,
.pane,
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 16px;
}

.pane {
  min-width: 0;
  overflow: hidden;
}

.pane-head,
.pane-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.pane-footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.pane-head h2,
.panel h2,
.panel h3 {
  margin-bottom: 0;
  font-size: 17px;
  line-height: 1.25;
}

.pane-body {
  padding: 14px;
}

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

.icon-button,
.action-button,
.seg-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: #263246;
  font-weight: 750;
}

.icon-button {
  width: 36px;
  padding: 0;
}

.action-button {
  gap: 8px;
  padding: 7px 11px;
}

.action-button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.action-button.warning {
  border-color: #d7a63e;
  background: var(--amber-soft);
  color: #62410f;
}

.action-button.danger {
  border-color: #db8da0;
  background: var(--rose-soft);
  color: #7d1e34;
}

.segmented {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.seg-button {
  min-height: 30px;
  padding: 5px 10px;
  border-color: transparent;
  background: transparent;
  color: #536074;
}

.seg-button.active {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: #374151;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.badge.blue {
  border-color: #bfd5fb;
  background: var(--blue-soft);
  color: #174a9c;
}

.badge.teal {
  border-color: #b7dfdc;
  background: var(--teal-soft);
  color: #09615f;
}

.badge.amber {
  border-color: #ead09d;
  background: var(--amber-soft);
  color: #69430c;
}

.badge.green {
  border-color: #b7dfc2;
  background: var(--green-soft);
  color: #176227;
}

.badge.rose {
  border-color: #efb9c6;
  background: var(--rose-soft);
  color: #802138;
}

.badge.violet {
  border-color: #d2c7ff;
  background: var(--violet-soft);
  color: #49369a;
}

.draft-editor {
  position: relative;
  display: grid;
  gap: 12px;
}

.draft-page {
  min-height: 520px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.draft-page h3 {
  margin-bottom: 16px;
  font-size: 18px;
}

.draft-page p {
  color: #39465a;
}

.draft-page .skeleton-line {
  height: 11px;
  margin: 13px 0;
  border-radius: 999px;
  background: #dfe5ec;
}

.draft-page .skeleton-line.short {
  width: 58%;
}

.draft-page .skeleton-line.cited {
  width: 78%;
  background: #c8dcff;
}

.suggestion-overlay {
  position: absolute;
  right: 16px;
  top: 62px;
  width: min(360px, calc(100% - 32px));
  border: 1px solid #bad1f7;
  border-radius: var(--radius);
  background: #fbfdff;
  box-shadow: 0 22px 48px rgba(21, 48, 89, 0.16);
  z-index: 3;
}

.suggestion-overlay header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.suggestion-help {
  padding: 10px 12px 0;
}

.suggestion-overlay ul,
.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.suggestion-overlay li,
.source-item,
.timeline-step,
.matter-row,
.check-row,
.result-line {
  border-top: 1px solid var(--line);
}

.suggestion-overlay li:first-child,
.source-item:first-child,
.timeline-step:first-child,
.matter-row:first-child,
.check-row:first-child,
.result-line:first-child {
  border-top: 0;
}

.suggestion-card {
  display: grid;
  gap: 6px;
  padding: 12px;
}

.suggestion-card strong,
.source-item strong,
.timeline-step strong,
.result-line strong {
  display: block;
}

.suggestion-card small,
.source-item small,
.timeline-step small,
.result-line small {
  color: var(--muted);
}

.multi-pane {
  display: grid;
  grid-template-columns: minmax(210px, 0.85fr) minmax(0, 1.15fr);
  gap: 12px;
}

.pane-note {
  padding: 0 12px 10px;
}

.stack {
  display: grid;
  gap: 12px;
}

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

.list-card {
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

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

.status-card {
  min-height: 104px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.status-card b {
  display: block;
  margin-bottom: 6px;
}

.source-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.source-item {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  background: #fff;
}

.wizard-shell {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 14px;
}

.wizard-steps {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
}

.wizard-step {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: start;
  width: 100%;
  padding: 12px;
  border: 0;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-align: left;
}

.wizard-step:first-child {
  border-top: 0;
}

.wizard-step.active {
  background: var(--blue-soft);
}

.step-num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
  background: var(--surface-2);
  color: #526174;
  font-weight: 800;
}

.wizard-step.active .step-num {
  background: var(--blue);
  color: #fff;
}

.upload-zone {
  display: grid;
  place-items: center;
  min-height: 150px;
  padding: 18px;
  border: 1px dashed #8ca3bb;
  border-radius: var(--radius);
  background: #fbfcfd;
  text-align: center;
}

.progress-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.timeline-step {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  background: #fff;
}

.step-state {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  background: var(--surface-2);
  color: #556477;
  font-weight: 800;
}

.step-state.done {
  background: var(--green-soft);
  color: var(--green);
}

.step-state.active {
  background: var(--blue-soft);
  color: var(--blue);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #4d5a6c;
  font-size: 12px;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

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

.form-field.full {
  grid-column: 1 / -1;
}

.form-field {
  display: grid;
  gap: 6px;
}

.control-row,
.check-row,
.result-line,
.matter-row {
  display: grid;
  gap: 8px;
  padding: 12px 0;
}

.control-row {
  grid-template-columns: 1fr auto;
  align-items: center;
}

.control-row input[type="checkbox"],
.check-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
}

.generated-link {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #bfd5fb;
  border-radius: var(--radius);
  background: var(--blue-soft);
  overflow-wrap: anywhere;
}

.fine-print {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

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

  .side-rail {
    position: static;
    height: auto;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    align-items: center;
  }

  .mode-nav {
    grid-auto-flow: column;
    grid-auto-columns: minmax(150px, 1fr);
    overflow-x: auto;
  }

  .rail-status {
    grid-column: 1 / -1;
  }

  .mode-grid,
  .mode-grid.equal,
  .mode-grid.three,
  .wizard-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .workspace {
    padding: 14px;
  }

  .workspace-header {
    align-items: stretch;
    flex-direction: column;
  }

  .governance-strip,
  .status-grid,
  .multi-pane,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .side-rail {
    padding: 14px;
  }

  .nav-item {
    min-width: 152px;
  }
}