.page-shell {
  min-height: 100vh;
  overflow: hidden;
}

.section-frame,
.topbar {
  width: min(calc(100% - 3rem), var(--content-width));
  margin-inline: auto;
}

.topbar {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 84px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-3);
  color: var(--ink-strong);
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(169, 159, 255, 0.3);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(169, 159, 255, 0.18), rgba(81, 230, 194, 0.06));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.14), 0 8px 30px rgba(90, 75, 210, 0.16);
}

.brand-mark img {
  width: 29px;
  height: 29px;
  object-fit: contain;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 520;
  letter-spacing: -0.025em;
}

.brand-name strong {
  font-weight: 780;
}

.brain-identity {
  display: flex;
  min-width: 240px;
  max-width: 340px;
  align-items: center;
  gap: var(--space-3);
  padding: 0.58rem 0.86rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.028);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.025);
}

.brain-identity__signal {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px rgba(88, 223, 179, 0.7);
}

/* Text column. min-width:0 lets the Brain name ellipsis-truncate inside the
   flex row instead of overflowing — but only when the name is genuinely wider
   than the (now roomier) pill. */
.brain-identity__body {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
}

.brain-identity__eyebrow {
  display: block;
  color: var(--ink-faint);
  font-size: 0.625rem;
  font-weight: 750;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
}

.brain-identity strong {
  display: block;
  max-width: 100%;
  overflow: hidden;
  color: var(--ink-strong);
  font-size: var(--text-sm);
  font-weight: 650;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account {
  position: relative;
  justify-self: end;
}

.avatar-button {
  display: grid;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(143, 130, 255, 0.42), rgba(104, 181, 255, 0.18)),
    var(--surface-strong);
  color: var(--ink-strong);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.04em;
  place-items: center;
}

.account-menu {
  position: absolute;
  top: calc(100% + var(--space-3));
  right: 0;
  width: 260px;
  padding: var(--space-5);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: rgba(16, 21, 31, 0.98);
  box-shadow: var(--shadow-lg);
}

.account-menu__label,
.account-menu__note {
  display: block;
  color: var(--ink-muted);
  font-size: var(--text-xs);
}

.account-menu strong {
  display: block;
  margin: var(--space-1) 0 var(--space-3);
  color: var(--ink-strong);
}

.account-menu__link {
  display: block;
  width: 100%;
  margin-top: var(--space-4);
  padding: 0;
  border: none;
  background: none;
  color: var(--ink-muted);
  font-size: var(--text-xs);
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.account-menu__link:hover,
.account-menu__link:focus-visible {
  color: var(--ink-strong);
}

.account-menu__signout {
  width: 100%;
  margin-top: var(--space-3);
}

.modal {
  max-width: 420px;
  padding: var(--space-8);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  color: var(--ink);
  box-shadow: var(--shadow-lg);
}

.modal::backdrop {
  background: rgba(6, 8, 13, 0.72);
}

.modal h2 {
  margin: 0 0 var(--space-3);
  color: var(--ink-strong);
  font-size: var(--text-lg);
}

.modal p {
  margin: 0 0 var(--space-6);
  color: var(--ink-muted);
  font-size: var(--text-sm);
  line-height: 1.5;
}

/* ── admin selected-Brain viewing banner (SaaS Control Plane v1) ─────── */
.viewing-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  margin-bottom: var(--space-6);
  border: 1px solid rgba(169, 159, 255, 0.35);
  border-radius: var(--radius-md, 12px);
  background: linear-gradient(145deg, rgba(169, 159, 255, 0.14), rgba(81, 230, 194, 0.05));
  color: var(--ink-strong);
  font-size: var(--text-sm);
}

.viewing-banner[hidden] {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  min-height: 610px;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: var(--space-10);
  padding-block: var(--space-16) var(--space-20);
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: 19%;
  left: -16%;
  width: 38rem;
  height: 26rem;
  border-radius: 50%;
  background: rgba(67, 112, 255, 0.05);
  content: "";
  filter: blur(90px);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px rgba(88, 223, 179, 0.75);
}

.hero h1 {
  max-width: 7.5ch;
  margin: var(--space-6) 0 var(--space-6);
  background: linear-gradient(112deg, #fff 10%, #dfe4f0 48%, #9ea8bd 105%);
  background-clip: text;
  color: transparent;
  font-size: var(--text-display);
  font-weight: 710;
  letter-spacing: -0.065em;
  line-height: var(--leading-tight);
}

.hero-copy > p {
  max-width: 560px;
  margin: 0;
  color: var(--ink-muted);
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.65;
}

.hero-copy {
  min-width: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

/* Beats the .hero-copy > p body-text rule above, which would otherwise
   override .privacy-note's small caption size/color. */
.hero-copy > p.hero-note {
  max-width: none;
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: var(--ink-faint);
}

.brain-stage {
  position: relative;
  display: grid;
  min-height: 500px;
  place-items: center;
}

.orbital-scene {
  position: relative;
  width: min(100%, 560px);
  aspect-ratio: 1.12;
}

.orbital-scene::before {
  position: absolute;
  inset: 15%;
  border: 1px solid rgba(153, 140, 255, 0.07);
  border-radius: 50%;
  content: "";
  animation: breathe 7s ease-in-out infinite;
}

.brain-aura {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 36%;
  height: 36%;
  border-radius: 50%;
  background: rgba(102, 86, 223, 0.04);
  filter: blur(24px);
  transform: translate(-50%, -50%);
  animation: orbital-aura 13s ease-in-out infinite alternate;
}

.orbit-path {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  border: 1px dashed rgba(149, 138, 255, 0.065);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transform-origin: center;
}

.orbit-path--outer {
  width: 91%;
  height: 72%;
}

.orbit-path--middle {
  width: 77%;
  height: 87%;
  border-color: rgba(105, 181, 255, 0.055);
}

.orbit-path--inner {
  width: 62%;
  height: 58%;
  border-color: rgba(86, 223, 191, 0.05);
}

.signal-field {
  position: absolute;
  z-index: 3;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.signal-traces {
  fill: none;
  stroke: rgb(117, 156, 255);
  stroke-opacity: 0.055;
  stroke-dasharray: 2 14;
  stroke-linecap: round;
  stroke-width: 1;
}

.signal-illuminations {
  fill: none;
  stroke: rgb(155, 185, 255);
  stroke-linecap: round;
  stroke-width: 1.8;
}

.signal-illuminations use {
  opacity: 0;
  animation: path-illuminate 27s ease-in-out infinite;
}

.signal-illuminations use:nth-child(2) {
  animation-duration: 30s;
  animation-delay: 9s;
}

.signal-illuminations use:nth-child(3) {
  animation-duration: 33s;
  animation-delay: 18s;
}

.signal-particles circle {
  opacity: 0;
  animation: signal-appear 30s ease-in-out infinite;
  animation-delay: 4s;
}

.signal-particles circle:nth-child(2) {
  animation-duration: 44s;
  animation-delay: 20s;
}

.central-brain {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  display: grid;
  width: 55%;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: central-breathe 13s ease-in-out infinite;
}

.brain-visual {
  width: 148%;
  height: auto;
  max-width: none;
  opacity: 0.82;
}

.hero-synapse {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #c4beff;
  box-shadow:
    0 0 0 1px rgba(169, 159, 255, 0.15),
    0 0 8px rgba(169, 159, 255, 0.7),
    0 0 22px rgba(143, 130, 255, 0.35);
  opacity: 0.08;
  animation: neuron 11s ease-in-out infinite;
}

.hero-synapse--one {
  top: 40%;
  left: 46%;
  animation-delay: -3s;
}

.hero-synapse--two {
  top: 50%;
  right: 30%;
  animation-duration: 13s;
  animation-delay: -8s;
}

.hero-synapse--three {
  bottom: 31%;
  left: 39%;
  animation-duration: 12s;
  animation-delay: -5.5s;
}

.hero-synapse--receive {
  top: 43%;
  left: 48%;
  width: 7px;
  height: 7px;
  animation: brain-receive 30s ease-in-out infinite;
  animation-delay: -13.1s;
}

.orbital-nodes {
  position: absolute;
  z-index: 6;
  inset: 0;
  pointer-events: none;
}

.orbital-node {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.35rem 0.55rem 0.35rem 0.38rem;
  border: 1px solid color-mix(in srgb, var(--connector-color) var(--node-border-mix, 24%), var(--border));
  border-radius: var(--radius-pill);
  background: rgba(13, 17, 26, 0.78);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.24);
  color: var(--ink);
  font-size: 0.67rem;
  font-weight: 680;
  letter-spacing: -0.01em;
  line-height: 1;
  white-space: nowrap;
  backdrop-filter: blur(12px);
}

.orbital-node::after {
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 7px;
  height: 7px;
  border: 2px solid #0e121b;
  border-radius: 50%;
  background: var(--node-state-color);
  box-shadow: 0 0 9px color-mix(in srgb, var(--node-state-color) 70%, transparent);
  content: "";
}

.orbital-node--available {
  /* Neutral/soft treatment for globally supported (not personally
     connected) integrations — a bright green "online" dot would falsely
     imply this specific user has an active connection. Green is reserved
     for a genuine live/connected state, which doesn't exist in this app
     yet (no per-user connector auth). */
  --node-state-color: var(--violet);
  --node-border-mix: 14%;
}

.orbital-node--connect {
  --node-state-color: var(--blue);
}

.orbital-node--soon {
  --node-state-color: var(--ink-faint);
  opacity: 0.62;
}

.orbital-node__mark {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  overflow: hidden;
  background: color-mix(in srgb, var(--connector-color) 13%, transparent);
}

.orbital-node__mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Badge positions derived from canonical-brain-v1/parameters.json
   badge coords (design space 0–1) → scene percentages.
   transform: translate(-50%,-50%) centers each badge on its anchor. */
.orbital-node--chatgpt {
  top: 33%;
  left: 24%;
  transform: translate(-50%, -50%);
}

.orbital-node--claude {
  top: 33%;
  left: 77%;
  transform: translate(-50%, -50%);
}

.orbital-node--grok {
  top: 49%;
  left: 84%;
  transform: translate(-50%, -50%);
}

.orbital-node--perplexity {
  top: 66%;
  left: 27%;
  transform: translate(-50%, -50%);
}

.orbital-node--copilot {
  top: 66%;
  left: 74%;
  transform: translate(-50%, -50%);
}

.orbital-node--gemini {
  top: 48%;
  left: 17%;
  transform: translate(-50%, -50%);
}

.dashboard-section {
  padding-block: var(--space-16);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.section-heading h2,
.panel-heading h2 {
  margin: var(--space-3) 0 0;
  color: var(--ink-strong);
  font-size: var(--text-2xl);
  font-weight: 670;
  letter-spacing: -0.045em;
  line-height: var(--leading-heading);
}

.section-heading > p {
  max-width: 390px;
  margin: 0;
  color: var(--ink-muted);
  font-size: var(--text-sm);
  text-align: right;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

/* Marks the transition from the guided 3-step journey to secondary/reference
   info (Brain overview, health, connectors) further down the page. */
.secondary-divider {
  padding-top: var(--space-10);
  margin-bottom: calc(-1 * var(--space-8));
  border-top: 1px solid var(--border);
}

.secondary-divider .eyebrow {
  display: block;
  margin-top: var(--space-8);
}

/* Brief highlight pulse used to draw the eye to the Recall section right
   after an approval auto-triggers it — reinforces "look, it worked". */
@keyframes section-flash {
  0%, 100% { box-shadow: none; }
  30% { box-shadow: 0 0 0 3px rgba(88, 223, 179, 0.35); }
}

.section-frame--flash {
  border-radius: var(--radius-xl);
  animation: section-flash 1.6s ease-out;
}

.connector-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.panel-heading .icon-box {
  color: var(--violet-bright);
}

.panel-copy {
  max-width: 60ch;
  margin: var(--space-6) 0;
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.dropzone {
  display: grid;
  min-height: 210px;
  place-items: center;
  align-content: center;
  padding: var(--space-8);
  border: 1px dashed rgba(169, 159, 255, 0.25);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 130%, rgba(118, 103, 236, 0.11), transparent 55%),
    rgba(255, 255, 255, 0.018);
  cursor: pointer;
  text-align: center;
  transition:
    border-color var(--duration-base),
    background var(--duration-base),
    transform var(--duration-base);
}

.dropzone:hover,
.dropzone.is-dragging {
  border-color: rgba(169, 159, 255, 0.52);
  background:
    radial-gradient(circle at 50% 130%, rgba(118, 103, 236, 0.18), transparent 58%),
    rgba(255, 255, 255, 0.025);
  transform: translateY(-2px);
}

.dropzone__icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-4);
  place-items: center;
  border: 1px solid rgba(169, 159, 255, 0.22);
  border-radius: var(--radius-md);
  background: rgba(143, 130, 255, 0.08);
  color: var(--violet-bright);
}

.dropzone__icon svg,
.privacy-note svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.dropzone strong {
  color: var(--ink-strong);
  font-size: var(--text-base);
}

.dropzone > span:last-child {
  margin-top: var(--space-2);
  color: var(--ink-faint);
  font-size: var(--text-xs);
}

.import-footer {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

/* ── import flow: status, results, item list ─────────────────── */
.import-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

.import-status a {
  color: var(--violet-bright);
  text-decoration: underline;
}

.import-status--progress {
  border-color: rgba(105, 183, 255, 0.28);
  background: rgba(105, 183, 255, 0.07);
  color: var(--ink);
}

.import-status--success {
  border-color: rgba(88, 223, 179, 0.3);
  background: rgba(88, 223, 179, 0.08);
  color: var(--success);
}

.import-status--error {
  border-color: rgba(255, 122, 122, 0.32);
  background: rgba(255, 122, 122, 0.08);
  color: #ff9b9b;
}

.import-spinner {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: import-spin 0.7s linear infinite;
}

@keyframes import-spin {
  to { transform: rotate(360deg); }
}

.import-results {
  margin-top: var(--space-5);
}

.import-results__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.import-results__head strong {
  color: var(--ink-strong);
  font-size: var(--text-sm);
}

.import-selectall {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--ink-muted);
  font-size: var(--text-xs);
}

.import-item-list {
  display: grid;
  gap: var(--space-2);
  max-height: 320px;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
}

.import-item label {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  cursor: pointer;
}

.import-item label:hover {
  border-color: var(--border-strong);
}

.import-item__check {
  margin-top: 0.2rem;
}

.import-item__body {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.import-item__body strong {
  color: var(--ink-strong);
  font-size: var(--text-sm);
}

.import-item__meta {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.import-item__preview {
  overflow: hidden;
  color: var(--ink-muted);
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.import-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* ── drafts awaiting review ───────────────────────────────────── */
.draft-list {
  display: grid;
  gap: var(--space-4);
}

.draft-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.draft-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.draft-card__title {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 40px;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-strong);
  font-size: var(--text-base);
  font-weight: 650;
}

.draft-card__title:focus-visible,
.draft-card__content:focus-visible {
  outline: 2px solid var(--violet-bright);
  outline-offset: 2px;
}

.draft-card__meta {
  flex: 0 0 auto;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.draft-card__content {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  color: var(--ink);
  font-family: inherit;
  font-size: var(--text-sm);
  line-height: 1.55;
  resize: vertical;
}

.draft-card__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.draft-card__status {
  color: var(--ink-muted);
  font-size: var(--text-xs);
}

.draft-note {
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

/* ── recall ("Ask your Brain") ────────────────────────────────── */
.recall-form {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.recall-form__input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 44px;
  padding: 0 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-strong);
  font-size: var(--text-base);
}

.recall-form__input:focus-visible {
  outline: 2px solid var(--violet-bright);
  outline-offset: 2px;
}

.recall-list {
  display: grid;
  gap: var(--space-3);
}

.recall-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  background: var(--surface-soft);
}

.recall-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}

.recall-card__head strong {
  color: var(--ink-strong);
  font-size: var(--text-base);
}

.recall-card__meta {
  flex: 0 0 auto;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.recall-card__excerpt {
  margin: var(--space-2) 0 0;
  color: var(--ink-muted);
  font-size: var(--text-sm);
  line-height: 1.55;
}

@media (max-width: 720px) {
  .recall-form {
    flex-direction: column;
  }

  .draft-card__head {
    flex-direction: column;
    align-items: stretch;
  }

  .draft-card__meta {
    flex: 0 0 auto;
  }

  .import-results__head {
    flex-wrap: wrap;
    row-gap: var(--space-2);
  }
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--ink-faint);
  font-size: var(--text-xs);
}

.privacy-note svg {
  width: 16px;
}


.footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-8);
  border-top: 1px solid var(--border);
  color: var(--ink-faint);
  font-size: var(--text-xs);
}

.footer p {
  margin: 0;
}

.footer-mark {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

.beta-badge {
  margin-left: auto;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── topbar nav (brand + placeholder admin entry) ────────────── */
.topbar-left {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6);
}

.topbar-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.topbar-nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  color: var(--ink-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: color var(--duration-fast), background var(--duration-fast);
}

.topbar-nav__link:hover,
.topbar-nav__link.is-current {
  color: var(--ink-strong);
  background: var(--surface-soft);
}

.topbar-nav__link--placeholder {
  color: var(--ink-faint);
  cursor: not-allowed;
}

.topbar-nav__link--placeholder:hover {
  color: var(--ink-faint);
  background: none;
}

.topbar-nav__tag {
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.5625rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── brain health / status panel ─────────────────────────────── */
.health-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), transparent 45%),
    var(--surface);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
}

.health-panel__summary {
  display: flex;
  gap: var(--space-4);
}

.health-panel__signal {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  margin-top: 0.3rem;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 14px rgba(88, 223, 179, 0.7);
}

.health-panel--degraded .health-panel__signal { background: var(--amber); box-shadow: 0 0 14px rgba(229, 185, 109, 0.7); }
.health-panel--offline .health-panel__signal { background: #ff7a7a; box-shadow: 0 0 14px rgba(255, 122, 122, 0.7); }

.health-panel__headline {
  display: block;
  color: var(--ink-strong);
  font-size: var(--text-xl);
  font-weight: 670;
  letter-spacing: -0.03em;
}

.health-panel__summary p {
  margin: var(--space-2) 0 0;
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.health-panel__checked {
  display: block;
  margin-top: var(--space-3);
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

/* ── onboarding / getting-started panel ──────────────────────── */
.onboard-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-8);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  background:
    radial-gradient(circle at 12% 0%, rgba(143, 130, 255, 0.1), transparent 42%),
    var(--surface);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
}

.onboard-panel__intro h2 {
  margin: var(--space-3) 0 0;
  color: var(--ink-strong);
  font-size: var(--text-2xl);
  font-weight: 670;
  letter-spacing: -0.045em;
  line-height: var(--leading-heading);
}

.onboard-panel__intro p {
  max-width: 42ch;
  margin: var(--space-4) 0 var(--space-6);
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

.onboard-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.onboard-steps {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: onboard;
}

.onboard-step {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.onboard-step__check {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  counter-increment: onboard;
  color: var(--ink-muted);
  font-size: var(--text-xs);
  font-weight: 750;
}

.onboard-step__check::before {
  content: counter(onboard);
}

.onboard-step--done .onboard-step__check {
  border-color: rgba(88, 223, 179, 0.5);
  background: rgba(88, 223, 179, 0.12);
  color: var(--success);
}

.onboard-step--done .onboard-step__check::before {
  content: "\2713";
}

.onboard-step__body strong {
  display: block;
  color: var(--ink-strong);
  font-size: var(--text-sm);
  font-weight: 650;
}

.onboard-step__body span {
  color: var(--ink-muted);
  font-size: var(--text-xs);
}

.empty-state--brain {
  grid-column: 1 / -1;
}

.empty-state--brain .button {
  margin-top: var(--space-5);
}

@keyframes breathe {
  0%,
  100% { opacity: 0.58; transform: scale(0.97); }
  50% { opacity: 1; transform: scale(1.025); }
}

@keyframes orbital-aura {
  from { opacity: 0.15; transform: translate(-50%, -50%) scale(0.94); }
  to { opacity: 0.38; transform: translate(-50%, -50%) scale(1.05); }
}

@keyframes central-breathe {
  0%,
  100% { transform: translate(-50%, -50%) scale(0.985); }
  50% { transform: translate(-50%, -50%) scale(1.02); }
}

@keyframes neuron {
  0%, 72%, 100% { opacity: 0.08; transform: scale(1); }
  79% { opacity: 0; transform: scale(0.7); }
  84% { opacity: 1; transform: scale(2.6); }
  91% { opacity: 0.1; transform: scale(1); }
}

@keyframes brain-receive {
  0%, 72%, 100% { opacity: 0; transform: scale(1); }
  83% { opacity: 0; transform: scale(0.5); }
  85% { opacity: 1; transform: scale(3.2); }
  90% { opacity: 0; transform: scale(1.5); }
}

@keyframes path-illuminate {
  0%, 27%, 43%, 100% { opacity: 0; }
  32%, 38% { opacity: 0.32; }
}

@keyframes signal-appear {
  0%, 5%, 100% { opacity: 0; }
  9% { opacity: 0.72; }
  20% { opacity: 0.72; }
  26% { opacity: 0; }
}

/* ── hero animation canvas ───────────────────────────────────── */
/* z-index 3: above orbit-path rings (z:2), below orbital badges (z:6) */
.hero-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}

/* ── Living Brain intensity ──────────────────────────────────── */
/* #brain-stage[data-intensity] is set by app.js from the approved-memory-
   count-derived level (see data-adapter.js: deriveBrainIntensity). Static
   brightness only — no new motion here, so this holds under
   prefers-reduced-motion without a separate override. The canvas itself
   (hero-animation.js) carries the rest of the effect: fewer/dimmer ambient
   pulses and a quieter core wash at lower intensity. */
#brain-stage[data-intensity="dormant"] .hero-canvas { opacity: 0.65; }
#brain-stage[data-intensity="faint"] .hero-canvas { opacity: 0.8; }
#brain-stage[data-intensity="strong"] .hero-canvas { filter: brightness(1.14) saturate(1.05); }
#brain-stage[data-intensity="mature"] .hero-canvas { filter: brightness(1.28) saturate(1.15); }

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: var(--space-20);
    text-align: center;
  }

  .hero h1,
  .hero-copy > p {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .brain-stage {
    min-height: 420px;
  }

  .onboard-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .section-frame,
  .topbar {
    width: min(calc(100% - 2rem), var(--content-width));
  }

  .topbar {
    position: relative;
    grid-template-columns: 1fr auto;
  }

  .brand,
  .topbar-left {
    grid-column: 1;
    grid-row: 1;
  }

  .topbar-nav {
    display: none;
  }

  .account {
    position: absolute;
    top: 22px;
    right: 0;
  }

  .brain-identity {
    min-width: 0;
    max-width: none;
    grid-column: 1 / -1;
    grid-row: 2;
    width: 100%;
    margin-bottom: var(--space-4);
  }

  .hero {
    width: calc(100vw - 2rem);
    padding-top: var(--space-16);
  }

  .hero-copy,
  .hero-copy > p {
    width: 100%;
    max-width: calc(100vw - 2rem);
  }

  .hero h1 {
    max-width: 8ch;
    font-size: clamp(3rem, 12vw, 3.75rem);
  }

  .brain-stage {
    min-height: 340px;
  }

  .section-heading {
    display: block;
  }

  .section-heading > p {
    margin-top: var(--space-3);
    text-align: left;
  }

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

@media (max-width: 520px) {
  .brand-name {
    display: none;
  }

  .hero-actions {
    display: grid;
  }

  .brain-stage {
    min-height: 290px;
  }

  .stats-grid,
  .connector-grid {
    grid-template-columns: 1fr;
  }

  .stat-card,
  .connector-card {
    min-height: 148px;
  }

  .import-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer {
    align-items: flex-start;
    flex-wrap: wrap;
  }
}