:root {
  --ink: #0b1528;
  --muted: #4a5670;
  --soft: #6b7690;
  --paper: #e8eef3;
  --paper-deep: #dce5ee;
  --panel: #f7fafc;
  --panel-strong: #ffffff;
  --line: #cfd8e3;
  --line-strong: #b4c0cf;
  --indigo: #002868;
  --indigo-deep: #001a44;
  --indigo-soft: #e4ebf5;
  --cardinal: #bf0a30;
  --sea: #1f6b57;
  --sea-soft: #e5f3ee;
  --amber: #8a5a12;
  --amber-soft: #f7efd9;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Instrument Sans", "Segoe UI", sans-serif;
  --rail: 20.5rem;
  --top: 3.75rem;
  --shadow: 0 18px 40px rgba(12, 26, 51, 0.08);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body.desk {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.45;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(0, 40, 104, 0.08), transparent 55%),
    linear-gradient(180deg, #f0f4f8 0%, var(--paper) 40%, var(--paper-deep) 100%);
}
a { color: inherit; }
button, input, select, textarea { font: inherit; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--indigo);
  color: #fff;
  padding: 0.5rem 0.75rem;
  z-index: 20;
}
.skip:focus { top: 0.75rem; }

.desk-top {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: var(--top);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 1.25rem;
  background: rgba(247, 250, 252, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.desk-top-left, .desk-top-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.desk-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}
.desk-mark {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  background: var(--indigo);
  color: #fff;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
}
.desk-brand-text { display: grid; line-height: 1.1; }
.desk-brand-name {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 560;
  letter-spacing: -0.03em;
}
.desk-brand-sub {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.desk-nav {
  display: flex;
  gap: 0.85rem;
}
.desk-nav a {
  text-decoration: none;
  color: var(--muted);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-size: 0.92rem;
}
.desk-nav a[aria-current="page"] {
  color: var(--ink);
  box-shadow: inset 0 -2px 0 var(--cardinal);
}
.desk-user {
  margin: 0;
  text-align: right;
  line-height: 1.15;
}
.desk-user-name { display: block; font-weight: 600; font-size: 0.92rem; }
.desk-user-role {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.desk-avatar {
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  background: var(--indigo-deep);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
}

.desk-shell {
  display: grid;
  grid-template-columns: var(--rail) 1fr;
  min-height: calc(100vh - var(--top));
}

.file-rail {
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  padding: 1.15rem 1rem 2rem;
  position: sticky;
  top: var(--top);
  height: calc(100vh - var(--top));
  overflow: auto;
}
.rail-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}
.rail-head h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.55rem;
  font-weight: 560;
  letter-spacing: -0.03em;
}
.rail-count {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}
.rail-search input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  padding: 0.7rem 0.8rem;
  margin-bottom: 0.85rem;
}
.rail-search input:focus {
  outline: 2px solid rgba(0, 40, 104, 0.25);
  outline-offset: 1px;
}
.desk-status {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.file-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}
.file-rail-list button {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  padding: 0.85rem 0.8rem;
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.file-rail-list button:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--line);
}
.file-rail-list button[aria-current="true"] {
  background: var(--panel-strong);
  border-color: var(--line-strong);
  box-shadow: inset 3px 0 0 var(--cardinal), var(--shadow);
  transform: translateX(2px);
}
.file-card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: flex-start;
}
.file-card-address {
  display: block;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.file-card-place {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.86rem;
}
.file-card-foot {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.65rem;
  font-size: 0.78rem;
  color: var(--soft);
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--indigo-soft);
  color: var(--indigo);
}
.badge.is-open { background: var(--amber-soft); color: var(--amber); }
.badge.is-closed { background: var(--sea-soft); color: var(--sea); }
.badge.is-current { background: var(--indigo); color: #fff; }

.workspace {
  padding: 1.25rem 1.35rem 3rem;
  min-width: 0;
}
.workspace-empty {
  max-width: 28rem;
  margin: 4rem auto;
  text-align: center;
  animation: rise 0.7s var(--ease) both;
}
.workspace-empty .eyebrow {
  margin: 0 0 0.5rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--cardinal);
  font-weight: 600;
}
.workspace-empty h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 560;
  letter-spacing: -0.03em;
}
.workspace-empty p {
  color: var(--muted);
  margin: 0.75rem 0 0;
}

.workspace-file {
  animation: rise 0.55s var(--ease) both;
}
.file-hero {
  display: grid;
  gap: 1.25rem;
  padding: 1.35rem 1.4rem 1.45rem;
  background:
    linear-gradient(135deg, rgba(0, 40, 104, 0.94), rgba(0, 26, 68, 0.98)),
    url("/images/waypoint-field.svg") center / cover;
  color: #f4f7fb;
  box-shadow: var(--shadow);
}
@media (min-width: 900px) {
  .file-hero { grid-template-columns: 1.4fr 1fr; align-items: end; }
}
.file-kicker {
  margin: 0 0 0.4rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(244, 247, 251, 0.72);
}
.file-hero h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 560;
  letter-spacing: -0.035em;
  line-height: 1.02;
}
.file-place {
  margin: 0.45rem 0 0;
  color: rgba(244, 247, 251, 0.78);
}
.file-hero-meta { display: grid; gap: 0.85rem; justify-items: start; }
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 600;
}
.file-facts {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1rem;
  width: 100%;
}
.file-facts div {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  padding-top: 0.45rem;
}
.file-facts dt {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 247, 251, 0.62);
}
.file-facts dd {
  margin: 0.2rem 0 0;
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.progress-band {
  display: grid;
  gap: 1rem;
  margin-top: 0.9rem;
  padding: 1rem 1.15rem;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}
@media (min-width: 960px) {
  .progress-band { grid-template-columns: 1.1fr 1.2fr 1fr; align-items: center; }
}
.progress-copy h3 {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.progress-copy p {
  margin: 0.3rem 0 0;
  font-family: var(--serif);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.progress-meter {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
}
.progress-track {
  height: 0.55rem;
  background: var(--paper-deep);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cardinal), #e23b57);
  transition: width 0.8s var(--ease);
}
.pulse-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.pulse-stats div {
  border-left: 1px solid var(--line);
  padding-left: 0.7rem;
}
.pulse-stats dt {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.pulse-stats dd {
  margin: 0.2rem 0 0;
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  margin: 1.1rem 0 0;
  border-bottom: 1px solid var(--line);
}
.tabs [role="tab"] {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.8rem 0.9rem;
  cursor: pointer;
  min-height: 44px;
  position: relative;
}
.tabs [role="tab"][aria-selected="true"] {
  color: var(--ink);
  font-weight: 600;
}
.tabs [role="tab"][aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0;
  height: 2px;
  background: var(--cardinal);
}
.tab-count {
  display: inline-grid;
  place-items: center;
  min-width: 1.25rem;
  margin-left: 0.25rem;
  padding: 0 0.3rem;
  font-size: 0.72rem;
  background: var(--indigo-soft);
  color: var(--indigo);
}

.tab-panel {
  margin-top: 1rem;
  padding: 1.1rem 1.15rem 1.3rem;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  animation: rise 0.4s var(--ease) both;
}
.tab-panel[hidden] { display: none; }

.milestone-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.milestone-path li {
  display: grid;
  grid-template-columns: 1.5rem 1fr auto;
  gap: 0.85rem;
  align-items: start;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.milestone-path li:first-child { border-top: 0; }
.ms-dot {
  width: 0.85rem;
  height: 0.85rem;
  margin-top: 0.3rem;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  background: #fff;
  position: relative;
  z-index: 1;
}
.ms-dot.is-done {
  background: var(--sea);
  border-color: var(--sea);
  box-shadow: 0 0 0 3px var(--sea-soft);
}
.ms-dot.is-current {
  background: var(--cardinal);
  border-color: var(--cardinal);
  animation: pulse 2.2s ease-in-out infinite;
}
.ms-copy strong { display: block; font-size: 1rem; }
.ms-copy span {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.86rem;
}
.ms-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
}
.quiet-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--indigo);
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  font-size: 0.8rem;
  min-height: 34px;
}
.quiet-btn:hover { border-color: var(--indigo); }
.quiet-btn.is-primary {
  background: var(--indigo);
  border-color: var(--indigo);
  color: #fff;
}

.panel-toolbar {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1rem;
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.filter-chip {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  font-size: 0.82rem;
  min-height: 34px;
}
.filter-chip.is-on {
  background: var(--indigo);
  border-color: var(--indigo);
  color: #fff;
}
.composer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.45rem;
}
.composer input,
.composer select,
.composer textarea,
.message-composer select {
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.7rem 0.75rem;
}
.composer textarea { resize: vertical; width: 100%; }
.message-composer {
  grid-template-columns: 1fr;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.composer-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.45rem;
}
.btn {
  appearance: none;
  border: 0;
  background: var(--indigo);
  color: #fff;
  padding: 0 0.95rem;
  min-height: 42px;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover { background: var(--indigo-deep); }

.task-board {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.task-board li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.8rem;
  align-items: start;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.task-board li:hover { border-color: var(--line-strong); }
.task-board li.is-done { opacity: 0.72; }
.task-check {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.15rem;
  border: 2px solid var(--line-strong);
  background: #fff;
  cursor: pointer;
}
.task-board li.is-done .task-check {
  background: var(--sea);
  border-color: var(--sea);
  box-shadow: inset 0 0 0 2px #fff;
}
.task-title { font-weight: 600; }
.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.84rem;
}
.task-meta .is-due { color: var(--cardinal); font-weight: 600; }

.people-grid, .doc-list, .message-feed, .activity-feed {
  list-style: none;
  margin: 0;
  padding: 0;
}
.people-grid {
  display: grid;
  gap: 0.65rem;
}
@media (min-width: 800px) {
  .people-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.people-grid li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: center;
  padding: 0.9rem;
  border: 1px solid var(--line);
  background: var(--panel);
}
.person-ava {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  background: var(--indigo);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
}
.person-name { font-weight: 600; }
.person-role {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: capitalize;
}

.doc-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
}
.doc-list li:first-child { border-top: 0; }
.doc-name { font-weight: 600; }
.doc-meta { color: var(--muted); font-size: 0.84rem; }

.message-feed { display: grid; gap: 0.65rem; }
.message-feed li {
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
}
.message-feed .msg-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}
.message-feed .msg-top strong { font-weight: 600; }
.message-feed .msg-top span { color: var(--soft); font-size: 0.8rem; }
.message-feed p { margin: 0; white-space: pre-wrap; }

.activity-feed li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.85rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
}
.activity-feed li:first-child { border-top: 0; }
.activity-feed time {
  color: var(--soft);
  font-size: 0.8rem;
}
.activity-feed strong {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(191, 10, 48, 0.35); }
  50% { box-shadow: 0 0 0 8px rgba(191, 10, 48, 0); }
}

@media (max-width: 960px) {
  .desk-shell { grid-template-columns: 1fr; }
  .file-rail {
    position: relative;
    top: 0;
    height: auto;
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .desk-nav { display: none; }
  .composer { grid-template-columns: 1fr; }
  .pulse-stats { grid-template-columns: 1fr; }
  .file-facts { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}