:root {
  --ink:#192c40;
  --muted:#66768a;
  --border:#e1e7ed;
  --accent:#176a66;
  --sidebar:252px;
  font-family:Inter,"Segoe UI",Arial,sans-serif;
  color:var(--ink);
  background:#f5f7fa;
  font-synthesis:none;
}
* {
  box-sizing:border-box;
}
body {
  margin:0;
}
a {
  color:inherit;
  text-decoration:none;
}
button,select {
  font:inherit;
}
button,a,select {
  -webkit-tap-highlight-color:transparent;
}
button,select {
  cursor:pointer;
}
a:focus-visible,button:focus-visible,select:focus-visible,#viewport:focus-visible {
  outline:3px solid #268a86;
  outline-offset:3px;
}
.skip {
  position:fixed;
  top:-100px;
  left:20px;
  z-index:10;
  padding:12px;
  background:#fff;
}
.skip:focus {
  top:10px;
}
.sidebar {
  width:var(--sidebar);
  position:fixed;
  inset:0 auto 0 0;
  background:#fff;
  border-right:1px solid var(--border);
  padding:32px 20px;
  display:flex;
  flex-direction:column;
  z-index:3;
}
.brand {
  display:flex;
  align-items:center;
  gap:12px;
  margin:0 3px 52px;
  font-size:17px;
  font-weight:650;
  letter-spacing:-.4px;
}
.brand-mark {
  display:grid;
  place-items:center;
  width:38px;
  height:40px;
  background:#173e48;
  border-radius:9px;
  font-size:25px;
  color:white;
  letter-spacing:-2px;
}
.brand small {
  display:block;
  font-size:8px;
  letter-spacing:1.3px;
  color:var(--muted);
  margin-top:7px;
}
.nav-label {
  font-size:10px;
  font-weight:600;
  letter-spacing:1.4px;
  color:#7c8796;
  margin:0 12px 18px;
  display:flex;
  justify-content:space-between;
}
.nav-label span {
  font-size:9px;
  border:1px solid var(--border);
  padding:2px 5px;
  border-radius:3px;
  letter-spacing:.5px;
}
nav a {
  display:flex;
  gap:13px;
  align-items:center;
  padding:14px 12px;
  margin:4px 0;
  border-radius:7px;
  font-size:13px;
  font-weight:600;
  border:1px solid transparent;
}
nav a:hover {
  background:#f6f8fa;
}
nav a.active {
  background:#edf5f3;
  color:#17635e;
  border-color:#dcece7;
}
nav a small {
  display:block;
  font-size:11px;
  font-weight:400;
  color:var(--muted);
  margin-top:6px;
}
.nav-icon {
  font-size:21px;
  width:21px;
  text-align:center;
  font-weight:400;
}
.nav-index {
  margin-left:auto;
  font-size:10px;
  font-weight:400;
  color:#8796a5;
}
.nav-divider {
  font-size:9px;
  letter-spacing:1.3px;
  color:#8893a0;
  margin:26px 12px 12px;
}
.sidebar-bottom {
  margin-top:auto;
  padding:22px 10px 0;
  border-top:1px solid var(--border);
  font-size:11px;
  color:#506477;
}
.sidebar-bottom p {
  font-size:11px;
  line-height:1.8;
  color:#7b8796;
  margin:12px 0 24px;
}
.status-dot {
  display:inline-block;
  width:6px;
  height:6px;
  background:#338b75;
  border-radius:50%;
  margin-right:7px;
  vertical-align:middle;
}
.version {
  font-size:8px;
  letter-spacing:1px;
  color:#84909f;
}
.workspace {
  margin-left:var(--sidebar);
}
.topbar {
  height:68px;
  border-bottom:1px solid var(--border);
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 40px;
  font-size:11px;
  color:var(--muted);
}
.topbar span:not(.document-tag) {
  margin:0 12px;
  color:#bdc6cf;
}
.topbar strong {
  font-weight:500;
  color:#33485d;
}
.document-tag {
  font-size:8px;
  letter-spacing:1.3px;
}
main {
  max-width:1750px;
  margin:auto;
  padding:36px 40px 0;
}
.page-heading {
  display:flex;
  justify-content:space-between;
  gap:25px;
  align-items:center;
  margin-bottom:27px;
}
.eyebrow {
  margin:0 0 12px;
  font-size:9px;
  font-weight:600;
  letter-spacing:1.6px;
  color:#668285;
}
.eyebrow span:first-child {
  margin:0 8px;
  color:#c6cfd7;
}
h1 {
  font-size:30px;
  letter-spacing:-1px;
  font-weight:600;
  margin:0 0 10px;
  line-height:1.25;
}
.description {
  font-size:12px;
  color:var(--muted);
  line-height:1.7;
  margin:0;
  max-width:690px;
}
.view-badge {
  flex-shrink:0;
  border:1px solid var(--border);
  background:#fff;
  border-radius:30px;
  font-size:10px;
  padding:9px 12px;
  color:#52677b;
}
.metrics {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-bottom:20px;
}
.metric {
  border:1px solid var(--border);
  background:#fff;
  border-radius:8px;
  padding:18px 20px;
}
.metric-title {
  font-size:10px;
  color:var(--muted);
  margin-bottom:10px;
}
.metric-value {
  font-size:26px;
  font-weight:550;
  letter-spacing:-.7px;
}
.metric-note {
  font-size:10px;
  color:#7d8b9a;
  margin-top:6px;
}
.notice {
  display:flex;
  gap:12px;
  padding:14px 16px;
  background:#fbf7ed;
  border:1px solid #ede2c8;
  border-radius:7px;
  margin-bottom:24px;
}
.notice-icon {
  display:grid;
  place-items:center;
  border:1px solid #ae8b45;
  color:#937132;
  border-radius:50%;
  width:16px;
  height:16px;
  flex-shrink:0;
  font-size:11px;
  margin-top:1px;
}
.notice strong {
  font-size:11px;
  font-weight:600;
  color:#735b30;
}
.notice p {
  font-size:11px;
  line-height:1.6;
  color:#88734e;
  margin:4px 0 0;
}
.diagram-panel {
  border:1px solid #dce3eb;
  border-radius:9px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 3px 9px #172c4004;
}
.diagram-heading {
  padding:17px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  border-bottom:1px solid var(--border);
}
.diagram-heading>div {
  display:flex;
  gap:10px;
  align-items:center;
}
.diagram-dot {
  width:7px;
  height:7px;
  background:#436d83;
  border-radius:2px;
}
.diagram-heading h2 {
  font-size:12px;
  font-weight:600;
  margin:0;
}
.file-tag {
  font-family:monospace;
  font-size:10px;
  color:#8392a0;
  background:#f4f6f8;
  border-radius:3px;
  padding:4px 6px;
}
.diagram-heading a {
  font-size:10px;
  color:#547286;
  white-space:nowrap;
}
.diagram-toolbar {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:9px 16px;
  gap:15px;
  background:#fcfdfe;
  border-bottom:1px solid var(--border);
}
.focus-control {
  display:flex;
  align-items:center;
  gap:9px;
  font-size:10px;
  color:var(--muted);
}
select {
  color:#3e576b;
  background:white;
  border:1px solid #dde4eb;
  border-radius:5px;
  padding:7px 26px 7px 8px;
  max-width:240px;
  font-size:10px;
}
.zoom-controls {
  display:flex;
  align-items:center;
  gap:3px;
}
.zoom-controls button {
  background:white;
  border:1px solid #dfe5eb;
  color:#42586e;
  border-radius:5px;
  min-width:29px;
  height:28px;
  font-size:11px;
  padding:0 9px;
}
.zoom-controls button:hover {
  background:#edf5f3;
  border-color:#8bbab1;
}
.zoom-controls button:disabled {
  opacity:.4;
  cursor:default;
}
#zoom-in,#zoom-out {
  font-size:18px;
  padding:0;
}
#zoom-level {
  font-size:10px;
  width:42px;
  text-align:center;
  font-variant-numeric:tabular-nums;
  color:#697a8b;
}
.control-divider {
  height:16px;
  width:1px;
  background:#dfe5eb;
  margin:0 7px;
}
#viewport {
  height:clamp(480px,65vh,850px);
  overflow:hidden;
  position:relative;
  cursor:grab;
  touch-action:none;
  background-color:#fff;
  background-image:radial-gradient(#ccd6df 0.65px,transparent 0.65px);
  background-size:18px 18px;
  isolation:isolate;
}
#viewport.dragging {
  cursor:grabbing;
}
#canvas {
  position:absolute;
  left:0;
  top:0;
  transform-origin:0 0;
  will-change:transform;
  user-select:none;
}
#canvas>svg {
  display:block;
  max-width:none;
  overflow:visible;
}
#loading {
  position:absolute;
  inset:40% 15px auto;
  text-align:center;
  font-size:12px;
  color:#627b8c;
  pointer-events:none;
}
#loading.error {
  background:#fff4f2;
  padding:20px;
  color:#8c3226;
  pointer-events:auto;
}
#loading[hidden] {
  display:none;
}
.diagram-footer {
  padding:12px 18px;
  display:flex;
  justify-content:space-between;
  font-size:9px;
  color:#7a8b9a;
  border-top:1px solid var(--border);
  gap:15px;
}
#current-view {
  font-size:8px;
  letter-spacing:1px;
  white-space:nowrap;
}
.legend {
  display:flex;
  gap:30px;
  border-bottom:1px solid var(--border);
  padding:24px 0;
}
.legend h2,.context h2 {
  font-size:11px;
  font-weight:600;
  margin:0 0 6px;
}
.legend p {
  font-size:10px;
  color:var(--muted);
  margin:0;
  width:190px;
}
.legend-items {
  display:flex;
  align-items:center;
  gap:15px 22px;
  flex-wrap:wrap;
  font-size:10px;
  color:#66788c;
}
.legend-items>span {
  display:flex;
  align-items:center;
  gap:7px;
  white-space:nowrap;
}
.swatch {
  display:inline-block;
  width:13px;
  height:11px;
  border-radius:2px;
  border:1px solid;
}
.server {
  background:#203c57;
  border-color:#203c57;
}
.vm {
  background:#e8f2fc;
  border-color:#648fb5;
}
.workstation {
  background:#e4f3ed;
  border-color:#4b8871;
}
.cloud {
  background:#f1edfa;
  border-color:#9682ba;
}
.reference {
  background:white;
  border-color:#9aa9b8;
  border-style:dashed;
}
.line {
  display:inline-block;
  width:24px;
  border-top:2px solid;
}
.replica {
  border-color:#94702b;
  border-top-style:dashed;
}
.backup {
  border-color:#318372;
}
.identity {
  border-color:#71609b;
  border-top-style:dashed;
}
.sheet {
  border-color:#aeb9c5;
  border-top-width:1px;
}
.context {
  padding:22px 0 18px;
}
.context>div {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:14px;
}
.context p {
  font-size:11px;
  line-height:1.8;
  color:var(--muted);
  margin:0;
}
.context strong {
  color:#41596d;
  font-weight:550;
}
.context p.unknown {
  font-size:10px;
  margin-top:18px;
  color:#8492a0;
}
.page-footer {
  border-top:1px solid var(--border);
  display:flex;
  justify-content:space-between;
  gap:15px;
  padding:18px 0 24px;
  color:#8a98a6;
  font-size:9px;
}
.page-footer span span {
  padding:0 8px;
  color:#bac3cc;
}
@media(min-width:1600px) {
  main {
    padding:42px 56px 0;
  }
  .topbar {
    padding:0 56px;
  }
  .description {
    font-size:13px;
  }
}
@media(max-width:1100px) {
  :root {
    --sidebar:214px;
  }
  .sidebar {
    padding:25px 12px;
  }
  .brand {
    font-size:15px;
    gap:9px;
  }
  .brand small {
    font-size:7px;
  }
  main {
    padding:28px 24px 0;
  }
  .topbar {
    padding:0 24px;
  }
  .view-badge {
    display:none;
  }
  .metrics {
    gap:9px;
  }
  .metric {
    padding:15px;
  }
  .legend {
    gap:18px;
  }
  .legend p {
    width:140px;
  }
  .file-tag {
    display:none;
  }
}
@media(max-width:900px) {
  :root {
    --sidebar:0px;
  }
  .sidebar {
    position:static;
    width:100%;
    padding:16px 18px 10px;
    border-right:0;
    border-bottom:1px solid var(--border);
  }
  .brand {
    margin:0 0 15px;
  }
  .brand-mark {
    width:31px;
    height:31px;
    font-size:21px;
  }
  .sidebar nav {
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:4px;
  }
  nav a {
    padding:10px 5px;
    justify-content:center;
    font-size:10px;
    gap:5px;
    text-align:center;
    margin:0;
  }
  .nav-icon {
    font-size:15px;
    width:auto;
  }
  nav a small,.nav-divider,.nav-index,.nav-label,.sidebar-bottom {
    display:none;
  }
  .topbar {
    height:45px;
    padding:0 18px;
    font-size:9px;
  }
  .document-tag {
    display:none;
  }
  .topbar span:not(.document-tag) {
    margin:0 7px;
  }
  main {
    padding:24px 16px 0;
  }
  h1 {
    font-size:26px;
  }
  .description {
    font-size:11px;
  }
  .metrics {
    grid-template-columns:repeat(2,1fr);
  }
  .metric {
    padding:13px 15px;
  }
  .metric-value {
    font-size:24px;
  }
  .notice {
    margin-bottom:18px;
  }
  .diagram-heading {
    padding:14px 12px;
  }
  .diagram-heading h2 {
    font-size:11px;
  }
  .diagram-toolbar {
    padding:9px;
    gap:8px;
  }
  .focus-control label {
    display:none;
  }
  select {
    max-width:150px;
    font-size:10px;
  }
  .zoom-controls {
    gap:2px;
  }
  .zoom-controls button {
    padding:0 6px;
    min-width:25px;
  }
  .control-divider {
    margin:0 3px;
  }
  #zoom-level {
    width:34px;
  }
  #viewport {
    height:540px;
  }
  .diagram-footer {
    font-size:8px;
    padding:10px;
  }
  .legend {
    display:block;
    padding:20px 0;
  }
  .legend p {
    width:auto;
  }
  .legend-items {
    margin-top:16px;
    gap:14px 20px;
  }
  .context>div {
    grid-template-columns:1fr;
    gap:12px;
  }
  .page-footer {
    font-size:8px;
    flex-wrap:wrap;
  }
}
@media(prefers-reduced-motion:reduce) {
  * {
    scroll-behavior:auto!important;
  }
}
.upload-panel {
  padding:24px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:9px;
  margin-bottom:24px;
}
.upload-panel h2 {
  font-size:14px;
  font-weight:600;
  margin:0 0 20px;
}
.dropzone {
  border:1.5px dashed #afc7c9;
  border-radius:8px;
  text-align:center;
  padding:35px 20px;
  background:#f8fbfa;
}
.dropzone.over {
  border-color:#176a66;
  background:#e4f2ed;
}
.upload-arrow {
  display:inline-grid;
  place-items:center;
  width:44px;
  height:44px;
  border:1px solid #d7e5df;
  border-radius:10px;
  background:white;
  color:#176a66;
  font-size:25px;
}
.dropzone h3 {
  font-size:17px;
  font-weight:550;
  margin:15px 0 8px;
}
.dropzone p {
  font-size:11px;
  color:var(--muted);
  line-height:1.7;
}
.select-files {
  display:inline-block;
  background:#176a66;
  color:white;
  border-radius:5px;
  padding:11px 18px;
  font-size:12px;
  margin:12px 0;
  cursor:pointer;
}
.file-input {
  display:block;
  max-width:100%;
  margin:0 auto;
  font-size:11px;
  color:var(--muted);
}
.upload-note {
  font-size:11px;
  color:var(--muted);
  line-height:1.8;
  margin:18px 0 0;
}
.archive-heading {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:15px;
}
.archive-heading h2 {
  margin:0;
}
.archive-heading button {
  border:1px solid var(--border);
  border-radius:5px;
  background:#fff;
  padding:9px 12px;
  font-size:11px;
  color:#41596d;
}
#file-count {
  font-size:10px;
  color:#7a8c9c;
  margin-left:6px;
}
#list-status {
  font-size:12px;
  color:var(--muted);
  margin:20px 0;
}
.table-scroll {
  overflow:auto;
}
table {
  width:100%;
  border-collapse:collapse;
  text-align:left;
  font-size:12px;
}
th {
  font-size:10px;
  color:var(--muted);
  font-weight:550;
  background:#f8fafb;
}
td,th {
  padding:13px 12px;
  border-bottom:1px solid #e8edf1;
}
td:first-child {
  overflow-wrap:anywhere;
  min-width:180px;
}
td:nth-child(2),td:nth-child(3) {
  white-space:nowrap;
  font-size:11px;
  color:var(--muted);
}
.upload-task {
  padding:15px 0;
  border-bottom:1px solid var(--border);
}
.task-heading {
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:11px;
}
.task-name {
  overflow-wrap:anywhere;
}
.task-message {
  color:var(--muted);
  font-size:11px;
  margin:7px 0;
}
.upload-task progress {
  display:block;
  width:100%;
  height:7px;
  accent-color:#176a66;
}
.upload-task.error .task-message {
  color:#ad3c2d;
}
.upload-task.success .task-message {
  color:#176a66;
}
@media(max-width:900px) {
  .sidebar nav {
    grid-template-columns:repeat(3,1fr);
  }
  .upload-panel {
    padding:18px;
  }
  .dropzone {
    padding:25px 12px;
  }
}
.file-input {
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}
.select-files:has(+input:focus-visible) {
  outline:3px solid #268a86;
  outline-offset:4px;
}
@media(max-width:1100px) {
  .diagram-toolbar {
    flex-wrap:wrap;
  }
  .zoom-controls {
    margin-left:auto;
  }
  .focus-control {
    min-width:0;
  }
}

/* Portal identity stays separate from the active documentation project. */
.brand { margin-bottom: 26px; }
.project-picker { padding: 15px 12px; margin: 0 0 24px; background: #f6f9f8; border: 1px solid #e1ebe7; border-radius: 8px; }
.project-picker label { display: block; font-size: 9px; letter-spacing: 1.3px; color: #6c7f82; margin-bottom: 9px; }
.project-picker select { width: 100%; max-width: none; font-size: 14px; font-weight: 600; padding: 10px 28px 10px 10px; color: #20574f; border-color: #d4e3dd; }
.project-picker p { color: #73878a; font-size: 10px; line-height: 1.5; margin: 9px 0 0; }
@media (max-width: 900px) {
  .sidebar { display: grid; grid-template-columns: 1fr minmax(145px, 210px); gap: 12px 18px; }
  .sidebar .brand { margin: 0; }
  .project-picker { margin: 0; padding: 8px 10px; }
  .project-picker label { margin-bottom: 5px; font-size: 8px; }
  .project-picker select { font-size: 12px; padding: 6px 24px 6px 8px; }
  .project-picker p { display: none; }
  .sidebar nav { grid-column: 1 / -1; }
}
@media (max-width: 420px) {
  .sidebar { grid-template-columns: 1fr 145px; gap: 10px; }
  .brand { font-size: 15px; gap: 8px; }
  .brand small { font-size: 6px; letter-spacing: .7px; }
  .topbar > div { line-height: 1.6; }
}
/* Keep navigation usable on short desktop viewports as the project list grows. */
.sidebar { overflow-y: auto; }

.home-main { min-height: calc(100vh - 68px); display: flex; flex-direction: column; }
.empty-project { flex: 1; min-height: 430px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: #fff; border: 1px solid var(--border); border-radius: 10px; margin: 0 0 30px; padding: 50px 24px; }
.empty-project-icon { width: 76px; height: 76px; display: grid; place-items: center; color: #52857e; background: #f0f7f4; border: 1px solid #dfeee7; border-radius: 20px; margin-bottom: 30px; }
.empty-project .eyebrow { font-size: 8px; margin-bottom: 12px; }
.empty-project h2 { font-size: 25px; font-weight: 550; letter-spacing: -.6px; margin: 0 0 14px; }
.empty-project > p:last-child { color: var(--muted); font-size: 12px; line-height: 1.9; margin: 0; }
.project-picker select:has(option[value=""]:checked) { font-size: 11px; font-weight: 450; color: #657b7b; }
@media (max-width: 900px) { .home-main { min-height: calc(100vh - 220px); } .empty-project { min-height: 360px; } }
@media (max-width: 420px) { .project-picker select:has(option[value=""]:checked) { font-size: 9px; padding-left: 5px; } .empty-project h2 { font-size: 23px; } .empty-project > p:last-child { font-size: 11px; } }
/* Keep the complete empty selector label readable on narrow screens. */
@media (max-width: 420px) {
  .sidebar { grid-template-columns: 1fr; }
  .project-picker select:has(option[value=""]:checked) { font-size: 11px; }
}
@media (max-width: 360px) {
  .sidebar { grid-template-columns: 1fr; }
  .project-picker { grid-column: 1 / -1; }
}