:root {
  --ink: #1b1b3a;
  --paper: #fbfefb;
  --line: #d8ddd9;
  --soft: #eef4f1;
  --coral: #ff6b6b;
  --mint: #4ecdc4;
  --muted: #65706c;
  --shadow: 0 18px 50px rgba(27, 27, 58, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 24px;
  color: var(--paper);
  background: var(--ink);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

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

.brand strong {
  font-size: 18px;
  line-height: 1.1;
}

.brand small,
.rail-note span,
.eyebrow,
.metric span,
label span,
.muted,
.tile-bottom,
small {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
}

.rail .brand small,
.rail-note span {
  color: rgba(251, 254, 251, 0.62);
}

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

.tab {
  border: 1px solid rgba(251, 254, 251, 0.14);
  border-radius: 8px;
  padding: 11px 12px;
  color: rgba(251, 254, 251, 0.78);
  background: transparent;
  text-align: left;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.tab:hover,
.tab.is-active {
  color: var(--paper);
  background: rgba(78, 205, 196, 0.16);
  transform: translateX(2px);
}

.rail-note {
  margin-top: auto;
  border-left: 3px solid var(--mint);
  padding-left: 14px;
}

.rail-note b {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.35;
}

.workspace {
  min-width: 0;
  padding: 26px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
}

.eyebrow {
  margin: 0 0 7px;
  color: #69756f;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.02;
}

h2 {
  font-size: 24px;
  line-height: 1.12;
}

h3 {
  margin-bottom: 10px;
  font-size: 14px;
  text-transform: uppercase;
}

.sync-pill {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  background: #fff;
  font-size: 13px;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 1px;
  margin: 18px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.metric {
  min-height: 86px;
  padding: 16px;
  background: #fff;
}

.metric b {
  display: block;
  margin-top: 10px;
  font-size: 27px;
  line-height: 1;
}

.metric.progress b {
  color: #148f86;
}

.metric.risk b {
  color: #d94242;
}

.filters {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 180px 220px;
  gap: 12px;
  margin-bottom: 18px;
}

label {
  display: grid;
  gap: 7px;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--ink);
  background: #fff;
}

input:focus,
select:focus {
  outline: 2px solid rgba(78, 205, 196, 0.32);
  border-color: var(--mint);
}

.screen {
  display: none;
}

.screen.is-active {
  display: block;
  animation: lift 220ms ease both;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(340px, 0.88fr);
  gap: 18px;
  align-items: start;
}

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

.matter-tile {
  display: grid;
  gap: 12px;
  min-height: 182px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  color: var(--ink);
  background: #fff;
  text-align: left;
  box-shadow: none;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.matter-tile:hover,
.matter-tile.is-selected {
  border-color: var(--ink);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.tile-top,
.tile-bottom {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.matter-tile strong {
  font-size: 20px;
  line-height: 1.15;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 4px 9px;
  color: var(--ink);
  background: var(--soft);
  font-size: 12px;
  font-style: normal;
  white-space: nowrap;
}

.status.active {
  background: rgba(78, 205, 196, 0.22);
}

.status.review {
  background: rgba(27, 27, 58, 0.09);
}

.status.risk {
  background: rgba(255, 107, 107, 0.22);
}

.status.closed {
  background: #e6e8e7;
}

.progress {
  display: block;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft);
}

.progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--coral));
}

.detail-pane,
.intake-panel,
.document-board,
.finance-board {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.detail-pane {
  position: sticky;
  top: 24px;
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 20px;
}

.detail-head h2 {
  margin: 12px 0 8px;
}

.detail-head p {
  color: #49514e;
  line-height: 1.5;
}

.matter-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.matter-facts div {
  min-width: 0;
  padding: 12px;
  background: var(--paper);
}

dt {
  color: var(--muted);
  font-size: 11px;
}

dd {
  margin: 5px 0 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.feedback-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 110px 94px;
  gap: 8px;
  margin: 16px 0 20px;
}

.feedback-form button,
.timeline button,
.primary-action {
  border: 0;
  border-radius: 8px;
  color: var(--paper);
  background: var(--ink);
  font-weight: 700;
}

.timeline,
.proof-list {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.timeline b,
.timeline small,
.proof-list b,
.proof-list small {
  display: block;
}

.timeline p {
  margin: 4px 0 0;
  color: #59625e;
  font-size: 13px;
  line-height: 1.42;
}

.dot {
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--muted);
}

.dot.doing {
  background: var(--mint);
}

.dot.blocked {
  background: var(--coral);
}

.dot.done {
  background: var(--ink);
}

.timeline button {
  min-height: 32px;
  padding: 0 10px;
  font-size: 12px;
}

.proof-list li {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.intake-panel {
  display: grid;
  max-width: 760px;
  gap: 15px;
  padding: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 190px;
  gap: 12px;
}

.primary-action {
  min-height: 46px;
  padding: 0 18px;
  justify-self: start;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: #148f86;
}

.board-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 18px 20px;
}

.board-head h2 {
  margin: 0;
}

.board-head span {
  color: var(--muted);
}

.doc-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.doc-columns section {
  padding: 18px;
  background: #fff;
}

.doc-columns article {
  border-bottom: 1px solid var(--line);
  padding: 13px 0;
}

.doc-columns article p {
  margin: 6px 0 0;
  color: #59625e;
}

.finance-ledger {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.finance-ledger div {
  padding: 20px;
  background: var(--paper);
}

.finance-ledger span,
.finance-ledger b {
  display: block;
}

.finance-ledger b {
  margin-top: 8px;
  font-size: 24px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 14px 18px;
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.empty {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 18px;
  color: var(--muted);
  background: #fff;
}

@keyframes lift {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1120px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .rail {
    position: static;
    height: auto;
  }

  .tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .rail-note {
    display: none;
  }

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

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

@media (max-width: 760px) {
  .workspace,
  .rail {
    padding: 16px;
  }

  .topbar,
  .tile-top,
  .tile-bottom,
  .board-head {
    flex-direction: column;
    align-items: stretch;
  }

  .tabs,
  .metric-strip,
  .filters,
  .portfolio-grid,
  .matter-facts,
  .feedback-form,
  .form-row,
  .doc-columns,
  .finance-ledger {
    grid-template-columns: 1fr;
  }

  .sync-pill {
    align-self: start;
  }

  .matter-tile {
    min-height: 0;
  }

  th,
  td {
    padding: 11px 10px;
    font-size: 13px;
  }
}