:root {
  --surface-alpha: 0;
  --sidebar-width: 228px;
  --gap: 8px;
  --columns: 3fr 1fr;
  --rows: 1fr;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-width: 0;
}
button,
input,
textarea {
  font: inherit;
}
button,
a,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button,
a {
  touch-action: manipulation;
}
button {
  color: inherit;
  cursor: pointer;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  border: 0;
  background: none;
}
button:disabled {
  cursor: default;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
button:hover {
  color: var(--text);
}
.atmosphere {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -1;
  background:
    radial-gradient(ellipse at 90% 20%, var(--surface-raised) 0, transparent 46%),
    radial-gradient(ellipse at 20% 100%, var(--surface-raised) 0, transparent 50%), var(--surface);
}
.ribbon {
  position: absolute;
  width: 120vw;
  height: 58vw;
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 50%;
  transform: rotate(-34deg);
  box-shadow:
    inset 3px 24px 45px color-mix(in srgb, var(--accent) 10%, transparent),
    0 -10px 36px color-mix(in srgb, var(--shadow-ink) 47%, transparent);
  background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 17%, transparent), transparent 35%, color-mix(in srgb, var(--surface) 20%, transparent));
}
.one {
  left: 5vw;
  top: 8vh;
}
.two {
  left: 18vw;
  top: 28vh;
}
.three {
  left: 40vw;
  top: 49vh;
}
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 28px;
  padding: 24px;
  min-height: 100dvh;
  transition: grid-template-columns 0.28s ease;
}
.shell.collapsed {
  --sidebar-width: 76px;
}
.sidebar {
  position: sticky;
  top: 24px;
  height: calc(100dvh - 48px);
  min-height: 530px;
  padding: 25px 14px 15px;
  border: 1px solid color-mix(in srgb, var(--accent) 21%, transparent);
  border-bottom-color: color-mix(in srgb, var(--accent) 13%, transparent);
  border-radius: 23px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--accent) 8%, transparent), transparent 60%),
    rgba(var(--surface-rgb), var(--surface-alpha));
  backdrop-filter: blur(0.5px);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--accent) 8%, transparent),
    0 18px 60px color-mix(in srgb, var(--shadow-ink) 33%, transparent);
  display: flex;
  flex-direction: column;
  z-index: 10;
}
.brand-row {
  height: 39px;
  display: flex;
  align-items: center;
  padding: 0 9px;
  position: relative;
}
.brand {
  font-size: 26px;
  letter-spacing: -1.8px;
  font-weight: 750;
  display: flex;
  align-items: center;
  gap: 6px;
}
.brand i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 13px;
}
.brand-short {
  display: none;
}
.icon-button {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--muted);
}
.icon-button:hover {
  background: color-mix(in srgb, var(--accent) 9%, transparent);
}
.collapse {
  position: absolute;
  right: -29px;
  top: 5px;
  background: var(--surface-raised);
  border: 1px solid color-mix(in srgb, var(--accent) 31%, transparent);
  border-radius: 50%;
  width: 26px;
  height: 26px;
  box-shadow: 0 3px 14px color-mix(in srgb, var(--shadow-ink) 33%, transparent);
}
.collapse svg {
  width: 14px;
  height: 14px;
}
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 18%, transparent), transparent);
  margin: 24px 0;
}
.workspace {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 0 5px;
  white-space: nowrap;
}
.workspace-icon {
  width: 34px;
  height: 36px;
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, transparent), color-mix(in srgb, var(--accent) 3%, transparent));
  font-size: 15px;
  color: var(--text);
  flex-shrink: 0;
}
.workspace strong,
.profile strong {
  font-size: 12px;
  font-weight: 600;
  display: block;
}
.workspace small,
.profile small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
}
.nav-caption {
  font-size: 12px;
  letter-spacing: 1.8px;
  color: var(--muted);
  margin: 31px 12px 12px;
}
nav {
  display: grid;
  gap: 6px;
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid transparent;
  height: 46px;
  padding: 0 13px;
  border-radius: 10px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--muted);
  transition:
    background 0.18s,
    color 0.18s,
    border-color 0.18s;
}
.nav-item svg {
  display: block;
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}
.nav-item:hover {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border-color: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--text);
}
.nav-item[aria-current="page"] {
  background: linear-gradient(115deg, color-mix(in srgb, var(--accent) 17%, transparent), color-mix(in srgb, var(--accent) 7%, transparent));
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--accent) 6%, transparent),
    0 5px 12px color-mix(in srgb, var(--shadow-ink) 7%, transparent);
  border-color: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--text);
}
.nav-item[aria-current="page"]:before {
  content: "";
  position: absolute;
  left: -15px;
  width: 2px;
  height: 17px;
  border-radius: 2px;
  background: var(--action-bg);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 30%, transparent);
}
.sidebar-bottom {
  margin-top: auto;
}
.profile {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 5px 0;
  white-space: nowrap;
}
.avatar {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--surface-raised), var(--surface-raised));
  border: 1px solid color-mix(in srgb, var(--accent) 29%, transparent);
  display: grid;
  place-items: center;
  font-size: 12px;
}
.local-dot {
  height: 5px;
  width: 5px;
  border-radius: 50%;
  background: var(--action-bg);
  margin-left: auto;
}
.collapsed .side-label {
  display: none;
}
.collapsed .brand-full {
  display: none;
}
.collapsed .brand-short {
  display: block;
}
.collapsed .brand-row {
  padding: 0 8px;
}
.collapsed .brand {
  font-size: 26px;
}
.collapsed .brand i {
  display: none;
}
.collapsed .workspace {
  padding: 0 6px;
}
.collapsed .nav-caption {
  display: block;
  height: 14px;
  font-size: 0;
  margin: 24px 0 0;
}
.collapsed .nav-item {
  padding: 0 13px;
}
.collapsed .profile {
  margin: 24px 7px 0;
}
.collapsed .collapse svg {
  transform: rotate(180deg);
}
main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  outline: none;
}
.topbar {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}
.breadcrumb {
  display: flex;
  gap: 13px;
  align-items: center;
}
.breadcrumb #crumb {
  color: var(--text);
}
.crumb-slash {
  opacity: 0.4;
}
.demo-badge {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
  padding: 6px 10px;
  border-radius: 20px;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}
.demo-badge i {
  height: 4px;
  width: 4px;
  background: var(--action-bg);
  border-radius: 50%;
}
.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 29px 0 26px;
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 1.8px;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 10px;
}
h1 {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -1.1px;
  line-height: 1.2;
  margin: 0;
}
.layout-control {
  display: flex;
  align-items: center;
  gap: 14px;
}
.layout-label {
  font-size: 12px;
  color: var(--muted);
}
.layout-options {
  display: flex;
  padding: 4px;
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: color-mix(in srgb, var(--surface) 44%, transparent);
}
.layout-options button {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 9px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 12px;
}
.layout-options button:hover {
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}
.layout-options button[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--text);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--accent) 14%, transparent);
}
.layout-symbol {
  display: grid;
  gap: 2px;
  width: 17px;
  height: 15px;
}
.layout-symbol i {
  border: 1px solid currentColor;
  border-radius: 1px;
}
.layout-symbol.split,
.layout-symbol.quad {
  grid-template-columns: 1fr 1fr;
}
.layout-symbol.quad {
  grid-template-rows: 1fr 1fr;
}
.layout-symbol.wide {
  grid-template-columns: 3fr 1fr;
}
.panel-grid {
  display: grid;
  grid-template-columns: var(--columns);
  grid-template-rows: var(--rows);
  gap: var(--gap);
  height: calc(100dvh - 224px);
  min-height: 520px;
  flex: 1;
  min-width: 0;
}
.panel-grid[data-layout="single"] {
  --columns: minmax(0, 1fr);
  --rows: 1fr;
}
.panel-grid[data-layout="split"] {
  --columns: repeat(2, minmax(0, 1fr));
  --rows: 1fr;
}
.panel-grid[data-layout="quad"] {
  --columns: repeat(2, minmax(0, 1fr));
  --rows: repeat(2, minmax(0, 1fr));
}
.panel-grid[data-layout="wide"] {
  --columns: minmax(0, 3fr) minmax(0, 1fr);
  --rows: 1fr;
}
.panel {
  position: relative;
  min-width: 0;
  min-height: 0;
  container-type: inline-size;
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-bottom-color: color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 19px;
  background:
    linear-gradient(140deg, color-mix(in srgb, var(--accent) 7%, transparent), transparent 45%),
    rgba(var(--surface-rgb), var(--surface-alpha));
  backdrop-filter: blur(0.5px);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--accent) 3%, transparent),
    0 15px 42px color-mix(in srgb, var(--shadow-ink) 13%, transparent);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 20px 22px 16px;
  min-height: 60px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 5%, transparent);
  flex-shrink: 0;
}
.panel-header > svg {
  color: var(--muted);
  width: 17px;
  height: 17px;
}
.panel-header h2 {
  font-size: 12px;
  font-weight: 500;
  margin: 0;
  letter-spacing: 0.1px;
}
.panel-header .panel-number {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 1px;
}
.panel-body {
  padding: 23px;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--muted) 38%, transparent) transparent;
  flex: 1;
}
.feature-intro {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin: 4px 0 24px;
}
.feature-intro h3 {
  font-size: clamp(22px, 3cqw, 34px);
  letter-spacing: -0.9px;
  line-height: 1.28;
  font-weight: 450;
  margin: 8px 0 12px;
  max-width: 430px;
}
.feature-intro p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 340px;
  margin: 0;
}
.abstract {
  width: 120px;
  height: 130px;
  position: relative;
  flex-shrink: 0;
  display: grid;
  place-items: center;
}
.abstract i {
  position: absolute;
  width: 64px;
  height: 92px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  transform: rotate(-28deg) skewY(16deg);
  border-radius: 12px;
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 14%, transparent), color-mix(in srgb, var(--surface-raised) 6%, transparent));
  box-shadow: 10px 12px 28px color-mix(in srgb, var(--shadow-ink) 20%, transparent);
}
.abstract i:nth-child(1) {
  left: 10px;
  top: 33px;
}
.abstract i:nth-child(2) {
  left: 26px;
  top: 23px;
}
.abstract i:nth-child(3) {
  left: 42px;
  top: 13px;
}
.section-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 20px 0 10px;
  font-size: 12px;
  letter-spacing: 1.1px;
  color: var(--muted);
  text-transform: uppercase;
}
.section-label span:last-child {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.8px;
}
.knowledge-list {
  display: grid;
  gap: 3px;
}
.knowledge-item {
  width: 100%;
  display: flex;
  text-align: left;
  gap: 13px;
  align-items: center;
  padding: 15px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 8%, transparent);
  border-radius: 8px;
  transition: background 0.15s;
}
.knowledge-item:hover {
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}
.file-icon {
  width: 34px;
  height: 37px;
  border: 1px solid color-mix(in srgb, var(--accent) 12%, transparent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
  border-radius: 8px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--muted);
}
.file-icon svg {
  height: 17px;
  width: 17px;
}
.item-copy {
  flex: 1;
  min-width: 0;
}
.item-copy strong {
  display: block;
  font-weight: 500;
  font-size: 12px;
  line-height: 1.5;
}
.item-copy small {
  color: var(--muted);
  font-size: 12px;
  display: block;
  margin-top: 4px;
}
.item-tag {
  font-size: 12px;
  color: var(--muted);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  padding: 4px 7px;
  border-radius: 5px;
}
.item-arrow {
  color: var(--muted);
  font-size: 18px;
}
.panel-footnote {
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  margin: 20px 0 0;
}
.text-action {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  color: var(--text);
  font-size: 12px;
}
.text-action svg {
  width: 14px;
  height: 14px;
}
.panel-actionbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
  gap: 12px;
}
.micro-label {
  font-size: 12px;
  color: var(--muted);
}
.activity {
  position: relative;
  display: grid;
  gap: 25px;
  margin-top: 6px;
}
.activity-row {
  display: flex;
  gap: 11px;
}
.activity-dot {
  width: 7px;
  height: 7px;
  margin-top: 5px;
  background: var(--action-bg);
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent);
  flex-shrink: 0;
}
.activity-copy strong {
  font-size: 12px;
  font-weight: 500;
  display: block;
  line-height: 1.5;
}
.activity-copy p {
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  margin: 6px 0;
}
.activity-copy small {
  color: var(--muted);
  font-size: 12px;
}
.quiet-note {
  border-top: 1px solid var(--line);
  margin-top: 28px;
  padding-top: 19px;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}
.quick-capture label {
  font-size: 12px;
  line-height: 1.7;
  display: block;
  color: var(--text);
  margin-bottom: 12px;
}
textarea {
  width: 100%;
  resize: vertical;
  min-height: 112px;
  max-height: 320px;
  background: color-mix(in srgb, var(--bg) 24%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 17%, transparent);
  border-radius: 10px;
  padding: 13px;
  color: var(--text);
  font-size: 12px;
  line-height: 1.65;
}
textarea::placeholder {
  color: var(--muted);
}
.solid-button {
  padding: 10px 14px;
  font-size: 12px;
  border-radius: 8px;
  background: var(--action-bg);
  color: var(--action-text);
  font-weight: 600;
  border: 1px solid var(--accent);
}
.solid-button:hover {
  background: var(--action-bg);
  color: var(--action-text);
}
.capture-bottom {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
}
.capture-status {
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}
.context-block {
  border: 1px solid color-mix(in srgb, var(--accent) 13%, transparent);
  border-radius: 11px;
  padding: 17px;
  margin-bottom: 11px;
  background: color-mix(in srgb, var(--accent) 2%, transparent);
}
.context-block h3 {
  font-size: 12px;
  font-weight: 500;
  margin: 0 0 7px;
}
.context-block p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  margin: 0;
}
.connection {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}
.connection .file-icon {
  height: 44px;
  width: 44px;
}
.connection h3 {
  font-size: 14px;
  font-weight: 500;
  margin: 0 0 6px;
}
.connection p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}
.connection-state {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}
.setting {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.setting strong {
  font-size: 12px;
  font-weight: 500;
}
.setting p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  margin: 6px 0 0;
}
.setting input {
  accent-color: var(--accent);
  max-width: 150px;
}
.switch {
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 15px;
  width: 39px;
  height: 23px;
  padding: 3px;
  background: var(--surface-raised);
}
.switch:before {
  content: "";
  display: block;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--action-bg);
  transition: transform 0.2s;
}
.switch[aria-checked="true"]:before {
  transform: translateX(15px);
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.2px;
  color: var(--muted);
  padding: 19px 2px 0;
}
.footer-divider {
  margin: 0 8px;
  color: var(--muted);
}
#tooltip {
  position: fixed;
  z-index: 1000;
  background: var(--action-bg);
  color: var(--action-text);
  padding: 8px 11px;
  border: 1px solid color-mix(in srgb, var(--accent) 47%, transparent);
  border-radius: 7px;
  font-size: 12px;
  box-shadow: 0 6px 25px color-mix(in srgb, var(--shadow-ink) 47%, transparent);
  pointer-events: auto;
  max-width: calc(100vw - 16px);
}
dialog {
  color: var(--text);
  width: min(540px, calc(100vw - 32px));
  background: linear-gradient(140deg, var(--surface-raised), var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: 20px;
  box-shadow: 0 30px 100px color-mix(in srgb, var(--shadow-ink) 60%, transparent);
  padding: 27px;
}
dialog::backdrop {
  background: color-mix(in srgb, var(--bg) 77%, transparent);
  backdrop-filter: blur(6px);
}
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
dialog h2 {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.7px;
}
#detail-body {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  white-space: pre-wrap;
}
.fine-print {
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-top: 24px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip {
  position: fixed;
  top: 8px;
  left: 8px;
  padding: 12px;
  background: var(--action-bg);
  color: var(--action-text);
  z-index: 2000;
  transform: translateY(-150%);
}
.skip:focus {
  transform: translateY(0);
}
svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.panel-grid[data-layout="quad"] .feature-intro {
  margin: 0 0 12px;
}
.panel-grid[data-layout="quad"] .feature-intro h3 {
  font-size: 22px;
  margin: 0 0 7px;
}
.panel-grid[data-layout="quad"] .abstract {
  width: 85px;
  height: 85px;
  transform: scale(0.7);
  transform-origin: center;
}
.panel-grid[data-layout="quad"] .feature-intro p {
  font-size: 12px;
}
.panel-grid[data-layout="quad"] .knowledge-item {
  padding: 10px;
}
.panel-grid[data-layout="quad"] .section-label {
  margin-top: 10px;
}
.panel-grid[data-layout="quad"] .panel-actionbar {
  margin-top: 14px;
}
.panel-grid[data-layout="quad"] .panel-body {
  padding: 18px 22px;
}
.panel-grid[data-layout="quad"] .panel-header {
  padding: 16px 22px 13px;
  min-height: 49px;
}
@container (max-width:330px) {
  .abstract,
  .item-tag {
    display: none;
  }
  .feature-intro h3 {
    font-size: 23px;
  }
  .panel-body {
    padding: 18px;
  }
  .panel-header {
    padding: 18px;
  }
  .micro-label {
    display: none;
  }
  .connection {
    flex-wrap: wrap;
  }
  .connection-state {
    margin-left: 59px;
  }
  .feature-intro p {
    font-size: 12px;
  }
}
@media (min-width: 1600px) {
  .shell {
    padding: 32px;
    gap: 32px;
  }
  .sidebar {
    top: 32px;
    height: calc(100dvh - 64px);
  }
  .panel-grid {
    height: calc(100dvh - 240px);
  }
  .feature-intro {
    margin: 16px 0 32px;
  }
  .knowledge-item {
    padding: 20px 12px;
  }
}
@media (max-width: 1100px) {
  .shell {
    gap: 20px;
    padding: 18px;
    --sidebar-width: 198px;
  }
  .sidebar {
    top: 18px;
    height: calc(100dvh - 36px);
  }
  .layout-label {
    display: none;
  }
  .panel-grid[data-layout="wide"] {
    --columns: minmax(0, 3fr) minmax(0, 1fr);
  }
  .page-heading {
    padding: 24px 0;
  }
  .panel-grid {
    min-height: 550px;
  }
  .item-tag {
    display: none;
  }
  .sidebar .workspace small {
    font-size: 12px;
  }
  .layout-options button {
    padding: 8px;
  }
  .panel-grid[data-layout="quad"] {
    min-height: 720px;
  }
  .panel-grid[data-layout="quad"] .abstract {
    display: none;
  }
}
@media (max-width: 760px) {
  .shell {
    --sidebar-width: 198px;
    gap: 14px;
    padding: 12px;
  }
  .shell.collapsed {
    --sidebar-width: 64px;
  }
  .sidebar {
    top: 12px;
    height: calc(100dvh - 24px);
    padding: 20px 8px 14px;
    border-radius: 18px;
    min-height: 490px;
  }
  .collapse {
    right: -23px;
  }
  .collapsed .brand-row {
    padding: 0 8px;
  }
  .nav-item[aria-current="page"]:before {
    left: -9px;
  }
  .page-heading {
    align-items: flex-start;
    flex-direction: column;
    padding: 22px 0 18px;
    gap: 18px;
  }
  .layout-control {
    width: 100%;
  }
  .layout-options {
    width: 100%;
    justify-content: space-between;
  }
  .layout-options button {
    gap: 6px;
    padding: 8px 9px;
  }
  .panel-grid,
  .panel-grid[data-layout="quad"] {
    height: auto;
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: none !important;
    flex: none;
  }
  .panel {
    min-height: 300px;
  }
  .panel-grid[data-layout="single"] .panel {
    min-height: calc(100dvh - 252px);
  }
  .panel-grid[data-layout="quad"] .panel {
    min-height: 300px;
    max-height: 460px;
  }
  .panel-body {
    overflow: auto;
  }
  .topbar {
    font-size: 12px;
  }
  .breadcrumb > span:first-child,
  .crumb-slash {
    display: none;
  }
  .demo-badge {
    font-size: 12px;
    padding: 5px 8px;
  }
  h1 {
    font-size: 25px;
  }
  .eyebrow {
    font-size: 12px;
    letter-spacing: 1.2px;
  }
  footer {
    line-height: 1.7;
    padding-bottom: 8px;
  }
  footer > span:first-child {
    max-width: 190px;
  }
  #layout-status {
    white-space: nowrap;
  }
  .shell:not(.collapsed) main {
    visibility: hidden;
  }
  .shell:not(.collapsed) {
    grid-template-columns: 198px minmax(0, 1fr);
  }
  .shell:not(.collapsed) .sidebar {
    position: fixed;
    left: 12px;
    top: 12px;
    width: 198px;
    z-index: 30;
  }
  .shell:not(.collapsed):after {
    content: "";
    position: fixed;
    inset: 0;
    background: color-mix(in srgb, var(--bg) 58%, transparent);
    z-index: 20;
  }
  .shell:not(.collapsed) .sidebar .collapse {
    right: -23px;
  }
  .panel-actionbar {
    flex-wrap: wrap;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *:before,
  *:after {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
body.reduce-motion *,
body.reduce-motion *:before {
  transition: none !important;
}
/* Keep desktop compositions within the available workspace; panels own overflow. */
@media (min-width: 761px) {
  .panel-grid {
    flex: none;
    height: calc(100dvh - 232px);
  }
  .panel-grid[data-layout="quad"] {
    min-height: 520px;
  }
  .panel-body {
    min-height: 0;
  }
  .panel-grid[data-layout="quad"] .activity {
    gap: 16px;
  }
  .panel-grid[data-layout="quad"] .quiet-note {
    margin-top: 16px;
    padding-top: 13px;
  }
  .panel-grid[data-layout="quad"] .feature-intro h3 {
    font-size: 20px;
  }
  .panel-grid[data-layout="quad"] .feature-intro {
    margin-bottom: 8px;
  }
  .panel-grid[data-layout="quad"] .abstract {
    height: 65px;
  }
  .panel-grid[data-layout="quad"] .knowledge-item {
    padding: 8px;
  }
  .panel-grid[data-layout="quad"] .feature-intro p {
    font-size: 12px;
    line-height: 1.6;
  }
  .panel-grid[data-layout="quad"] .panel-actionbar {
    margin-top: 10px;
  }
}
@media (min-width: 1600px) {
  .panel-grid {
    height: calc(100dvh - 248px);
  }
}
@media (max-width: 440px) {
  .layout-options button {
    flex: 1;
    flex-direction: column;
    gap: 5px;
    padding: 7px 3px;
    font-size: 12px;
    min-height: 44px;
  }
  .layout-symbol {
    width: 16px;
    height: 12px;
  }
  .capture-bottom {
    flex-wrap: wrap;
  }
  .solid-button {
    min-height: 40px;
  }
}
/* Revision 2 — compact workspace and BRUK provenance families. */
:root {
  --provenance-a-core: var(--accent);
  --provenance-a-halo: var(--brand-gold-halo);
  --provenance-a-line: var(--brand-gold-connection);
  --provenance-b-core: var(--rose);
  --provenance-b-halo: var(--brand-rose-halo);
  --provenance-b-line: var(--brand-rose-connection);
}
.shell.collapsed {
  --sidebar-width: 56px;
}
.collapsed .sidebar {
  padding: 25px 7px 15px;
  border-radius: 19px;
}
.collapsed .brand-row {
  padding: 0 7px;
}
.collapsed .brand {
  font-size: 23px;
}
.collapsed .collapse {
  right: -21px;
  width: 22px;
  height: 22px;
  top: 7px;
}
.collapsed .workspace {
  padding: 0 3px;
}
.collapsed .workspace-icon {
  width: 34px;
}
.collapsed .nav-item {
  padding: 0 10px;
  height: 42px;
  border-radius: 9px;
}
.collapsed .nav-item[aria-current="page"]:before {
  left: -8px;
}
.collapsed .profile {
  margin: 20px 4px 0;
}
.collapsed .nav-caption {
  margin-top: 19px;
}
.topbar {
  height: 56px;
  flex-shrink: 0;
  margin-bottom: 16px;
  display: grid;
  grid-template-columns: minmax(110px, 1fr) auto auto;
  gap: 22px;
  position: relative;
  z-index: 20;
}
.breadcrumb {
  gap: 10px;
  white-space: nowrap;
}
.breadcrumb h1 {
  font-size: 13px;
  font-weight: 550;
  letter-spacing: 0;
  line-height: 1.3;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 7px;
}
.header-actions time {
  font-size: 12px;
  white-space: nowrap;
  margin-right: 9px;
  color: var(--muted);
}
.header-button {
  height: 34px;
  width: 34px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 11%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 4%, transparent);
  color: var(--muted);
  flex-shrink: 0;
  transition:
    background 0.18s,
    border-color 0.18s;
}
.header-button svg {
  width: 17px;
  height: 17px;
}
.header-button:hover,
.header-button[aria-expanded="true"] {
  background: color-mix(in srgb, var(--accent) 11%, transparent);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  color: var(--text);
}
.user-button {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 3px 5px 3px 3px;
  border: 1px solid transparent;
  border-radius: 22px;
  font-size: 12px;
}
.user-button:hover,
.user-button[aria-expanded="true"] {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  border-color: color-mix(in srgb, var(--accent) 15%, transparent);
}
.user-button .avatar {
  width: 30px;
  height: 30px;
}
.user-chevron svg {
  width: 12px;
  height: 12px;
  transform: rotate(-90deg);
  color: var(--muted);
}
.header-disclosure {
  position: relative;
}
.popover {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  width: 300px;
  padding: 20px;
  background: linear-gradient(145deg, var(--surface-raised), var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 15px;
  box-shadow: 0 18px 64px color-mix(in srgb, var(--shadow-ink) 53%, transparent);
  z-index: 40;
  color: var(--text);
}
.popover[hidden] {
  display: none;
}
.popover-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.popover-heading h2 {
  font-size: 13px;
  font-weight: 500;
  margin: 0;
}
.notification-empty {
  text-align: center;
  padding: 28px 0 9px;
}
.notification-empty > span {
  display: block;
  margin-bottom: 13px;
  color: var(--muted);
}
.notification-empty strong {
  font-size: 12px;
  font-weight: 500;
}
.notification-empty p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  margin: 8px 0 0;
}
.user-menu {
  width: 250px;
  padding: 10px;
}
.user-summary {
  padding: 12px 10px 17px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 7px;
}
.user-summary strong {
  font-weight: 550;
  font-size: 13px;
  display: block;
}
.user-summary span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 5px;
}
.popover-link {
  display: flex;
  width: 100%;
  gap: 10px;
  align-items: center;
  text-align: left;
  padding: 11px 10px;
  font-size: 12px;
  border-radius: 8px;
}
.popover-link:hover {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.popover-link svg {
  width: 16px;
  height: 16px;
  color: var(--muted);
}
.menu-footnote {
  font-size: 12px;
  color: var(--muted);
  padding: 5px 10px;
}
.layout-control {
  gap: 0;
}
.layout-options button {
  padding: 8px;
}
.layout-symbol.columns {
  grid-template-columns: repeat(4, 1fr);
  width: 21px;
}
.panel-grid {
  height: calc(100dvh - 152px);
  min-height: 480px;
}
.panel-grid[data-layout="quad"] {
  min-height: 480px;
}
.panel-grid[data-layout="columns"] {
  --columns: repeat(4, minmax(0, 1fr));
  --rows: 1fr;
}
.panel-grid[data-layout="columns"] .abstract {
  display: none;
}
.panel-grid[data-layout="columns"] .panel-header {
  padding: 19px 16px;
}
.panel-grid[data-layout="columns"] .panel-body {
  padding: 20px 16px;
}
.panel-grid[data-layout="columns"] .feature-intro {
  margin: 0 0 24px;
}
.panel-grid[data-layout="columns"] .feature-intro h3 {
  font-size: 23px;
}
.panel-grid[data-layout="columns"] .knowledge-item {
  padding: 15px 0;
  gap: 9px;
  align-items: flex-start;
}
.panel-grid[data-layout="columns"] .item-tag {
  display: none;
}
.panel-grid[data-layout="columns"] .file-icon {
  width: 28px;
  height: 32px;
}
.panel-grid[data-layout="columns"] .capture-bottom {
  flex-direction: column;
  align-items: flex-start;
}
.panel-grid[data-layout="columns"] .solid-button {
  width: 100%;
}
.panel-grid[data-layout="columns"] textarea {
  min-height: 190px;
}
.panel-grid[data-layout="columns"] .micro-label {
  display: none;
}
[data-origin="a"] {
  --origin-core: var(--provenance-a-core);
  --origin-halo: var(--provenance-a-halo);
  --origin-line: var(--provenance-a-line);
}
[data-origin="b"] {
  --origin-core: var(--provenance-b-core);
  --origin-halo: var(--provenance-b-halo);
  --origin-line: var(--provenance-b-line);
}
.knowledge-item[data-origin] .file-icon {
  color: var(--origin-core);
  border-color: color-mix(in srgb, var(--origin-line) 50%, transparent);
  background: color-mix(in srgb, var(--origin-halo) 10%, transparent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--origin-halo) 6%, transparent);
}
.origin-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--origin-core);
  margin-top: 6px;
}
.origin-label:before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--origin-core);
  box-shadow: 0 0 7px var(--origin-line);
}
.activity-row[data-origin] .activity-dot {
  background: var(--origin-core);
  box-shadow:
    0 0 0 1px var(--origin-line),
    0 0 9px color-mix(in srgb, var(--origin-halo) 15%, transparent);
}
.activity-row[data-origin] .activity-copy small {
  color: var(--origin-core);
}
.abstract i:first-child {
  border-color: color-mix(in srgb, var(--accent) 61%, transparent);
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 15%, transparent), color-mix(in srgb, var(--surface-raised) 3%, transparent));
}
.abstract i:last-child {
  border-color: color-mix(in srgb, var(--rose) 61%, transparent);
  background: linear-gradient(140deg, color-mix(in srgb, var(--rose) 15%, transparent), color-mix(in srgb, var(--surface-raised) 3%, transparent));
}
.footer-demo {
  display: inline-block;
  color: var(--muted);
  border: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
  border-radius: 5px;
  font-size: 12px;
  padding: 2px 5px;
  margin-right: 11px;
}
#search-dialog {
  padding: 0;
  width: min(610px, calc(100vw - 32px));
  max-height: 80dvh;
  margin: 12dvh auto auto;
  overflow: hidden;
}
.search-field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.search-field > span {
  display: flex;
  color: var(--muted);
}
.search-field input {
  flex: 1;
  min-width: 0;
  background: none;
  color: var(--text);
  border: 0;
  outline: none;
  font-size: 14px;
}
.search-field input::placeholder {
  color: var(--muted);
}
.search-field input:focus-visible {
  outline: none;
}
.search-field:focus-within {
  box-shadow: inset 0 -1px color-mix(in srgb, var(--accent) 54%, transparent);
}
.search-field kbd {
  font-size: 12px;
  color: var(--muted);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  padding: 3px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
}
#search-results {
  padding: 10px;
  overflow: auto;
  max-height: 55dvh;
}
.search-result {
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  text-align: left;
  padding: 13px 12px;
  border-radius: 9px;
}
.search-result:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.search-result > svg {
  width: 17px;
  height: 17px;
  color: var(--muted);
  flex-shrink: 0;
}
.search-result > svg:last-child {
  margin-left: auto;
  width: 13px;
}
.search-result strong {
  font-size: 12px;
  font-weight: 500;
  display: block;
}
.search-result small {
  font-size: 12px;
  color: var(--muted);
  display: block;
  margin-top: 4px;
}
.search-footnote {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  padding: 13px 21px;
  border-top: 1px solid var(--line);
}
.search-empty {
  padding: 24px 15px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
}
@media (min-width: 1600px) {
  .panel-grid {
    height: calc(100dvh - 168px);
  }
}
@media (max-width: 1280px) {
  .topbar {
    gap: 14px;
  }
  .user-name,
  .user-chevron {
    display: none;
  }
  .header-actions time {
    font-size: 12px;
    margin-right: 4px;
  }
  .breadcrumb > span:first-child,
  .crumb-slash {
    display: none;
  }
}
@media (max-width: 1000px) and (min-width: 761px) {
  .topbar {
    grid-template-columns: 1fr auto;
    grid-template-rows: 36px 40px;
    height: 84px;
    gap: 8px 14px;
    margin-bottom: 14px;
  }
  .layout-control {
    grid-column: 1/-1;
    grid-row: 2;
    justify-content: flex-end;
  }
  .header-actions {
    grid-column: 2;
    grid-row: 1;
  }
  .panel-grid {
    height: calc(100dvh - 168px);
  }
  .panel-grid[data-layout="columns"] .panel-body {
    padding: 15px 12px;
  }
  .panel-grid[data-layout="columns"] .panel-header {
    padding: 16px 12px;
  }
  .panel-grid[data-layout="columns"] .panel-header h2 {
    font-size: 12px;
  }
}
@media (max-width: 760px) {
  .shell.collapsed {
    --sidebar-width: 52px;
  }
  .collapsed .sidebar {
    padding: 20px 5px 14px;
  }
  .collapsed .collapse {
    right: -18px;
  }
  .collapsed .brand-row {
    padding: 0 7px;
  }
  .collapsed .nav-item {
    padding: 0 10px;
  }
  .collapsed .nav-item[aria-current="page"]:before {
    left: -6px;
  }
  .topbar {
    grid-template-columns: 1fr auto;
    grid-template-rows: 38px 44px;
    height: 94px;
    gap: 12px 6px;
    margin-bottom: 14px;
  }
  .breadcrumb h1 {
    font-size: 12px;
  }
  .header-actions {
    grid-row: 1;
    grid-column: 2;
    gap: 4px;
  }
  .header-actions time {
    display: none;
  }
  .header-button {
    width: 31px;
    height: 31px;
  }
  .user-button {
    padding: 0;
  }
  .user-button .avatar {
    width: 29px;
    height: 29px;
  }
  .layout-control {
    grid-column: 1/-1;
    grid-row: 2;
  }
  .layout-options {
    width: 100%;
    gap: 2px;
  }
  .layout-options button {
    flex: 1;
    min-width: 0;
    flex-direction: column;
    padding: 5px 3px;
    gap: 4px;
    font-size: 12px;
    min-height: 38px;
  }
  .layout-symbol {
    width: 16px;
    height: 12px;
  }
  .layout-symbol.columns {
    width: 19px;
  }
  .panel-grid,
  .panel-grid[data-layout="quad"],
  .panel-grid[data-layout="columns"] {
    height: auto;
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) !important;
  }
  .panel-grid[data-layout="single"] .panel {
    min-height: calc(100dvh - 177px);
  }
  .popover {
    position: fixed;
    top: 66px;
    right: 12px;
    width: min(300px, calc(100vw - 76px));
  }
  .panel-grid[data-layout="columns"] .panel {
    min-height: 300px;
  }
  .panel-grid[data-layout="columns"] .capture-bottom {
    flex-direction: row;
    align-items: center;
  }
  .panel-grid[data-layout="columns"] .solid-button {
    width: auto;
  }
  .panel-grid[data-layout="columns"] textarea {
    min-height: 120px;
  }
  .footer-demo {
    margin-bottom: 5px;
  }
  .search-field {
    padding: 13px;
    gap: 8px;
  }
  .search-field kbd {
    display: none;
  }
}
/* Clip the blur layer without clipping the external collapse control. */
.sidebar {
  isolation: isolate;
  backdrop-filter: none;
}
.sidebar:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  backdrop-filter: blur(0.5px);
  clip-path: inset(0 round 23px);
  pointer-events: none;
}
@media (min-width: 1001px) {
  .panel-grid {
    height: calc(100dvh - 160px);
  }
}
@media (min-width: 1600px) {
  .panel-grid {
    height: calc(100dvh - 176px);
  }
}

/* Revision 3 — more workspace, subtle feedback and contextual sidebar menus. */
.sidebar > .divider {
  margin-bottom: 24px;
}
.sidebar-bottom > .nav-item {
  width: 100%;
}
.nav-item svg,
.environment-icon svg {
  transition: transform 0.18s ease;
  transform-origin: center;
}
@media (hover: hover) {
  .nav-item:hover svg,
  .environment-toggle:hover .environment-icon svg {
    transform: scale(1.12);
  }
}
.nav-item:focus-visible svg {
  transform: scale(1.12);
}
.panel {
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
@media (hover: hover) {
  .panel:hover {
    border-color: color-mix(in srgb, var(--accent) 41%, transparent);
    box-shadow:
      inset 0 1px 0 color-mix(in srgb, var(--accent) 10%, transparent),
      inset 0 0 35px color-mix(in srgb, var(--accent) 2%, transparent),
      0 0 19px color-mix(in srgb, var(--accent) 7%, transparent),
      0 15px 42px color-mix(in srgb, var(--shadow-ink) 13%, transparent);
  }
}
.panel:focus-within {
  border-color: color-mix(in srgb, var(--accent) 41%, transparent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--accent) 10%, transparent),
    0 0 19px color-mix(in srgb, var(--accent) 7%, transparent);
}
.environment-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 7px;
  margin-top: 14px;
  border: 1px solid transparent;
  border-radius: 11px;
  text-align: left;
  min-height: 49px;
}
.environment-toggle:hover,
.environment-toggle[aria-expanded="true"],
.nav-item[aria-expanded="true"] {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border-color: color-mix(in srgb, var(--accent) 17%, transparent);
}
.environment-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 32px;
  flex-shrink: 0;
  border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 9px;
  background: color-mix(in srgb, var(--accent) 4%, transparent);
  color: var(--text);
}
.environment-icon svg {
  width: 17px;
  height: 17px;
}
.environment-copy {
  min-width: 0;
  flex: 1;
}
.environment-copy strong {
  display: block;
  font-size: 12px;
  font-weight: 550;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.environment-copy small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.environment-chevron svg {
  width: 13px;
  height: 13px;
  transform: rotate(180deg);
}
.collapsed .environment-toggle {
  padding: 5px 0;
  justify-content: center;
}
.sidebar-menu {
  position: fixed;
  z-index: 100;
  width: min(280px, calc(100vw - 24px));
  max-height: calc(100dvh - 16px);
  overflow: auto;
  padding: 9px;
  border: 1px solid color-mix(in srgb, var(--accent) 27%, transparent);
  border-radius: 16px;
  background: linear-gradient(145deg, var(--surface-raised), var(--surface));
  box-shadow: 0 20px 70px color-mix(in srgb, var(--shadow-ink) 60%, transparent);
  color: var(--text);
}
.sidebar-menu[hidden] {
  display: none;
}
.flyout-heading {
  font-size: 12px;
  font-weight: 600;
  padding: 12px 11px 15px;
  color: var(--text);
}
.flyout-label {
  padding: 17px 11px 7px;
  font-size: 12px;
  letter-spacing: 1.2px;
  color: var(--muted);
}
.flyout-divider {
  height: 1px;
  background: var(--line);
  margin: 7px 9px;
}
.flyout-item {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 11px;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 12px;
  min-height: 42px;
}
.flyout-item:hover,
.flyout-item[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border-color: color-mix(in srgb, var(--accent) 9%, transparent);
}
.flyout-item > svg {
  width: 17px;
  height: 17px;
  color: var(--muted);
  flex-shrink: 0;
}
.flyout-item > span:not(.provider-monogram):not(.selection-check) {
  flex: 1;
}
.flyout-item strong {
  display: block;
  font-size: 12px;
  font-weight: 500;
}
.flyout-item small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}
.selection-check {
  font-size: 12px;
  color: var(--text);
}
.provider-monogram,
.provider-mark {
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
  border-radius: 9px;
  width: 30px;
  height: 30px;
  color: var(--text);
  font-size: 13px;
  flex-shrink: 0;
}
.provider-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 8px 0 20px;
}
.provider-mark {
  width: 46px;
  height: 46px;
  font-size: 22px;
  border-radius: 13px;
}
.provider-heading h3 {
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 5px;
}
.provider-description {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}
.provider-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0 28px;
}
.provider-choices button {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 12px;
}
.provider-choices button:hover,
.provider-choices button[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 33%, transparent);
}
.connection-preview {
  border-top: 1px solid var(--line);
  padding-top: 25px;
}
.connection-preview h3 {
  font-size: 16px;
  font-weight: 500;
  margin: 18px 0 10px;
}
.connection-preview > p:not(.panel-footnote) {
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 440px;
  margin-bottom: 25px;
}
@media (min-width: 761px) {
  .shell {
    height: 100dvh;
    min-height: 600px;
  }
  main {
    min-height: 0;
  }
  .panel-grid,
  .panel-grid[data-layout="quad"] {
    height: auto;
    min-height: 0;
    flex: 1;
  }
  .sidebar {
    min-height: 0;
  }
}
@media (max-width: 760px) {
  .panel-grid[data-layout="single"] .panel {
    min-height: calc(100dvh - 132px);
  }
  .sidebar {
    min-height: 440px;
  }
  .sidebar > .divider {
    margin: 20px 0;
  }
  .environment-toggle {
    margin-top: 10px;
  }
  .sidebar-bottom > .divider {
    margin: 16px 0;
  }
  .shell:not(.collapsed) .sidebar {
    z-index: 30;
  }
}
@media (prefers-reduced-motion: reduce) {
  .nav-item:hover svg,
  .nav-item:focus-visible svg,
  .environment-toggle:hover svg {
    transform: none;
  }
}
body.reduce-motion .nav-item:hover svg,
body.reduce-motion .nav-item:focus-visible svg,
body.reduce-motion .environment-toggle:hover svg {
  transform: none;
}

/* Knowledge field: a quiet decorative layer beneath the workspace. */
.atmosphere {
  pointer-events: none;
}
.atmosphere[data-background="constellation"],
.atmosphere[data-background="orbit"] {
  background:
    radial-gradient(ellipse at 75% 15%, var(--surface-raised) 0, transparent 55%),
    radial-gradient(ellipse at 15% 90%, var(--surface) 0, transparent 58%), var(--bg);
}
.atmosphere[data-background="solid"] {
  background: var(--surface);
}
.atmosphere:not([data-background="ribbons"]) .ribbon {
  display: none;
}
#knowledge-field {
  width: 100%;
  height: 100%;
  display: block;
}
.atmosphere:not([data-background="constellation"]):not(
    [data-background="orbit"]
  )
  #knowledge-field {
  visibility: hidden;
}
.field-settings {
  padding: 0 0 24px;
  border-bottom: 1px solid var(--line);
}
.field-settings > p,
.field-controls {
  font-size: 12px;
  color: var(--muted);
}
.field-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0;
}
.field-option {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 5px 5px 10px;
  font-size: 12px;
  text-align: left;
  background: color-mix(in srgb, var(--accent) 1%, transparent);
}
.field-option[aria-pressed="true"] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.field-option:focus-visible,
.field-close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.field-swatch {
  display: block;
  height: 54px;
  margin-bottom: 8px;
  border-radius: 8px;
  background: var(--surface);
}
.field-swatch.constellation {
  background:
    radial-gradient(circle at 22% 65%, var(--accent) 0 1px, transparent 3px),
    radial-gradient(circle at 70% 30%, var(--rose) 0 1px, transparent 3px),
    radial-gradient(circle at 43% 42%, var(--accent) 0 1px, transparent 2px),
    linear-gradient(151deg, transparent 49%, color-mix(in srgb, var(--accent) 22%, transparent) 50%, transparent 51%),
    var(--surface);
}
.field-swatch.ribbons {
  background: repeating-linear-gradient(
    145deg,
    var(--surface),
    var(--surface-raised) 22%,
    var(--surface-raised) 24%,
    var(--surface) 25%
  );
}
.field-controls {
  display: flex;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.field-controls input {
  width: min(40%, 160px);
  accent-color: var(--accent);
}
.field-controls input:disabled {
  opacity: 0.25;
}
body.previewing-field > :not(.atmosphere):not(#field-preview) {
  visibility: hidden;
}
#field-preview {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 40px 48px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--text);
  overflow: auto;
}
#field-preview::backdrop {
  background: transparent;
  backdrop-filter: none;
}
#field-preview[open] {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.field-preview-header,
.field-preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.field-wordmark {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.07em;
}
.field-wordmark span {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.18em;
  margin-left: 16px;
}
.field-close {
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 10px 16px;
  font-size: 12px;
  background: color-mix(in srgb, var(--surface) 53%, transparent);
}
.field-close kbd {
  margin-left: 14px;
  color: var(--muted);
  font-size: 12px;
}
.field-caption {
  max-width: 660px;
  margin: 15vh 0 12vh 6vw;
  pointer-events: none;
}
.field-caption .eyebrow {
  color: var(--muted);
  letter-spacing: 0.24em;
  font-size: 12px;
}
#field-preview-title {
  font-size: clamp(30px, 4vw, 58px);
  font-weight: 400;
  line-height: 1.16;
  letter-spacing: -0.045em;
  margin: 24px 0;
  text-shadow: 0 2px 30px var(--shadow-ink);
}
.field-caption p {
  color: var(--muted);
  font-size: 14px;
}
.field-preview-footer {
  color: var(--muted);
  font-size: 12px;
}
.field-legend {
  display: flex;
  gap: 24px;
}
.field-legend span {
  display: flex;
  gap: 8px;
  align-items: center;
}
.field-legend i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 38%, transparent);
}
.field-legend .source-a {
  background: var(--accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 38%, transparent);
}
.field-legend .source-b {
  background: var(--rose);
  box-shadow: 0 0 10px color-mix(in srgb, var(--rose) 38%, transparent);
}
@media (max-width: 600px) {
  #field-preview {
    padding: 24px;
  }
  .field-wordmark span,
  .field-close kbd {
    display: none;
  }
  .field-caption {
    margin: 10vh 0;
  }
  .field-preview-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .field-legend {
    gap: 18px;
  }
  .field-controls {
    flex-wrap: wrap;
  }
}

#field-preview-title {
  white-space: pre-line;
}
#field-preview:not([data-background="constellation"]):not(
    [data-background="orbit"]
  )
  .field-legend {
  visibility: hidden;
}
@container (max-width: 300px) {
  .field-options {
    grid-template-columns: 1fr;
  }
  .field-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px;
  }
  .field-swatch {
    width: 42px;
    height: 30px;
    margin: 0;
    flex-shrink: 0;
  }
  .field-controls {
    flex-direction: column;
    align-items: flex-start;
  }
  .field-controls input {
    width: 100%;
  }
}

body.previewing-field {
  overflow: hidden;
}

.field-swatch.orbit {
  background:
    radial-gradient(circle at 67% 30%, var(--action-bg) 0 1.5px, transparent 3px),
    radial-gradient(circle at 83% 64%, var(--accent) 0 1px, transparent 3px),
    repeating-radial-gradient(
      ellipse at 90% 50%,
      transparent 0 10px,
      color-mix(in srgb, var(--accent) 19%, transparent) 11px 12px,
      transparent 13px 23px
    ),
    var(--surface);
}
@container (min-width: 301px) and (max-width: 440px) {
  .field-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Keep the network legible through glass; menus retain their own blur. */
.field-preview-header {
  flex-wrap: wrap;
}
.field-preview-switcher {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  margin-left: auto;
}
.field-preview-switcher button {
  padding: 9px 13px;
  border-radius: 24px;
  font-size: 12px;
  color: var(--muted);
}
.field-preview-switcher button[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 33%, transparent);
}
.field-preview-switcher button:hover {
  color: var(--text);
}
.field-preview-header .field-close {
  order: 1;
}
@media (max-width: 1000px) {
  .field-preview-switcher {
    order: 2;
    margin: 0;
  }
}
@media (max-width: 600px) {
  .field-preview-switcher {
    width: 100%;
    gap: 0;
  }
  .field-preview-switcher button {
    flex: 1;
    padding: 10px 5px;
    font-size: 12px;
  }
}