:root {
  color-scheme: dark;
  --bg-0: #020617;
  --bg-1: #08111f;
  --bg-2: #0f172a;
  --panel: rgba(8, 15, 31, 0.76);
  --panel-strong: rgba(10, 18, 36, 0.92);
  --line: rgba(147, 197, 253, 0.16);
  --text: #eef4ff;
  --muted: #9fb1d4;
  --accent-a: #7dd3fc;
  --accent-b: #818cf8;
  --accent-c: #c084fc;
  --success: #6ee7b7;
  --warning: #fbbf24;
  --danger: #fb7185;
  --panel-radius: 24px;
  --glow-size: 24px;
  --page-gap: 28px;
  --shadow: 0 24px 80px rgba(2, 6, 23, 0.55);
  --heading-font: "Sora", "Avenir Next", "Montserrat", "Segoe UI", sans-serif;
  --body-font: "Avenir Next", "Inter", "Segoe UI", sans-serif;
  --mono-font: "SFMono-Regular", "IBM Plex Mono", "Menlo", monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 18% 12%, rgba(96, 165, 250, 0.16), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(192, 132, 252, 0.14), transparent 25%),
    radial-gradient(circle at 52% 88%, rgba(34, 211, 238, 0.12), transparent 32%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 45%, #030712 100%);
  color: var(--text);
  font-family: var(--body-font);
}

body {
  position: relative;
  overflow-x: hidden;
}

body[data-density="airy"] {
  --page-gap: 32px;
}

body[data-density="compact"] {
  --page-gap: 18px;
}

body[data-layout="focus"] .page-grid {
  grid-template-columns: minmax(0, 1.2fr) 320px;
}

body[data-layout="analyst"] .page-grid {
  grid-template-columns: minmax(0, 0.95fr) 380px;
}

body[data-motion="off"] * {
  animation: none !important;
  transition-duration: 0s !important;
}

a {
  color: inherit;
  text-decoration: none;
}

.nebula-backdrop {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 12% 28%, rgba(255,255,255,0.72) 0 1px, transparent 1.4px),
    radial-gradient(circle at 26% 62%, rgba(255,255,255,0.48) 0 1px, transparent 1.3px),
    radial-gradient(circle at 48% 16%, rgba(125,211,252,0.58) 0 1.2px, transparent 1.6px),
    radial-gradient(circle at 66% 74%, rgba(196,181,253,0.54) 0 1.2px, transparent 1.6px),
    radial-gradient(circle at 82% 22%, rgba(255,255,255,0.62) 0 1px, transparent 1.3px),
    radial-gradient(circle at 88% 88%, rgba(34,211,238,0.44) 0 1px, transparent 1.4px);
  opacity: 0.9;
  animation: drift 26s linear infinite;
}

.site-shell {
  position: relative;
  max-width: 1500px;
  margin: 0 auto;
  padding: 28px;
}

.topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  background: rgba(5, 10, 23, 0.68);
  border: 1px solid var(--line);
  border-radius: calc(var(--panel-radius) + 4px);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 35% 30%, rgba(248,250,252,0.94) 0 2px, transparent 2.6px),
    radial-gradient(circle at 64% 22%, rgba(196,181,253,0.94) 0 2.4px, transparent 3px),
    radial-gradient(circle at 76% 47%, rgba(34,211,238,0.94) 0 2px, transparent 2.8px),
    radial-gradient(circle at 58% 76%, rgba(248,250,252,0.9) 0 2.2px, transparent 2.9px),
    radial-gradient(circle at 22% 70%, rgba(125,211,252,0.9) 0 2px, transparent 2.8px),
    radial-gradient(circle at 50% 50%, rgba(168,85,247,0.55), transparent 58%),
    linear-gradient(135deg, rgba(7,10,22,0.98), rgba(13,24,46,0.98));
  border: 1px solid rgba(125, 211, 252, 0.2);
  position: relative;
  box-shadow: 0 12px 40px rgba(14, 165, 233, 0.16);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 999px;
  border: 1.5px solid rgba(125, 211, 252, 0.25);
  transform: rotate(-16deg);
}

.brand-mark::after {
  inset: 11px;
  border-color: rgba(192, 132, 252, 0.22);
  transform: rotate(20deg);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-copy strong {
  font-family: var(--heading-font);
  font-size: 1rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand-copy small {
  color: var(--muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.65rem;
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.nav-chip {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: var(--muted);
  background: rgba(12, 19, 36, 0.38);
  transition: transform 220ms ease, border-color 220ms ease, color 220ms ease, background 220ms ease;
}

.nav-chip:hover,
.nav-chip:focus-visible {
  transform: translateY(-1px);
  color: var(--text);
  border-color: rgba(125, 211, 252, 0.34);
}

.nav-chip.is-active {
  color: var(--text);
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.18), rgba(192, 132, 252, 0.18));
  border-color: rgba(125, 211, 252, 0.32);
}

.topbar-status {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(125, 211, 252, 0.16), rgba(129, 140, 248, 0.18));
  border: 1px solid rgba(125, 211, 252, 0.24);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.status-pill--ghost {
  background: rgba(15, 23, 42, 0.62);
  border-color: rgba(148, 163, 184, 0.2);
  color: var(--muted);
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 24px;
  margin-top: 22px;
  align-items: start;
}

.content-column,
.control-column {
  display: grid;
  gap: var(--page-gap);
}

.hero-card,
.board-panel,
.stack-panel,
.control-card,
.feature-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(8, 15, 31, 0.82), rgba(6, 11, 24, 0.94));
  border: 1px solid var(--line);
  border-radius: var(--panel-radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(calc(var(--glow-size) * 0.5));
}

.hero-card::before,
.board-panel::before,
.stack-panel::before,
.control-card::before,
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(125, 211, 252, 0.12), transparent 28%),
    radial-gradient(circle at left bottom, rgba(192, 132, 252, 0.1), transparent 24%);
  pointer-events: none;
}

.hero-card,
.board-panel,
.stack-panel,
.control-card {
  padding: 24px;
}

.section-block {
  display: grid;
  gap: 18px;
}

.section-heading h2,
.control-heading h2 {
  margin: 6px 0 0;
  font-family: var(--heading-font);
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  line-height: 1.12;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--accent-a);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
}

.hero-card h1 {
  margin: 10px 0 12px;
  font-family: var(--heading-font);
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 0.96;
  max-width: 12ch;
}

.hero-copy {
  max-width: 68ch;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(125, 211, 252, 0.24);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
}

.action-button:hover,
.action-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 0 var(--glow-size) rgba(125, 211, 252, 0.22);
}

.action-button--primary {
  color: #03111d;
  background: linear-gradient(135deg, var(--accent-a), var(--accent-c));
}

.action-button--secondary {
  color: var(--text);
  background: rgba(15, 23, 42, 0.68);
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.metric-card {
  padding: 16px;
  border-radius: calc(var(--panel-radius) - 8px);
  background: rgba(5, 10, 23, 0.52);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.metric-label {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.metric-value {
  margin-top: 8px;
  font-family: var(--heading-font);
  font-size: 1.5rem;
  font-weight: 700;
}

.workspace-cluster {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 350px;
  gap: 18px;
}

.board-panel--primary {
  min-height: 520px;
}

.board-stack {
  display: grid;
  gap: 18px;
}

.board-panel h3,
.stack-panel h3,
.control-card h3 {
  margin: 0;
  font-family: var(--heading-font);
  font-size: 1.05rem;
}

.board-panel p,
.stack-panel p {
  color: var(--muted);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-header p {
  margin: 6px 0 0;
  font-size: 0.92rem;
  line-height: 1.6;
}

.panel-badge {
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.78);
  border: 1px solid rgba(125, 211, 252, 0.18);
  color: var(--accent-a);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lane-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.lane-card,
.mini-card,
.chat-message,
.code-pod,
.feature-card {
  border-radius: calc(var(--panel-radius) - 10px);
  background: rgba(5, 10, 23, 0.52);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.lane-card {
  padding: 16px;
}

.lane-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--heading-font);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lane-title small {
  color: var(--accent-a);
}

.lane-list,
.mini-list,
.feature-points {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.lane-list li,
.mini-list li,
.feature-points li {
  color: var(--muted);
  line-height: 1.55;
}

.lane-list li::before,
.mini-list li::before,
.feature-points li::before {
  content: "•";
  color: var(--accent-a);
  margin-right: 8px;
}

.mini-card {
  padding: 18px;
}

.feed-list {
  display: grid;
  gap: 12px;
}

.feed-item {
  padding: 14px;
  border-radius: calc(var(--panel-radius) - 10px);
  background: rgba(5, 10, 23, 0.52);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.feed-item strong,
.feature-card h3 {
  font-family: var(--heading-font);
}

.feed-item small {
  color: var(--accent-a);
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.chat-stack {
  display: grid;
  gap: 14px;
}

.chat-message {
  padding: 16px;
}

.chat-message[data-role="assistant"] {
  background: linear-gradient(135deg, rgba(16, 30, 58, 0.9), rgba(14, 17, 40, 0.84));
}

.chat-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--accent-a);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tool-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tool-chip {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.18);
  color: var(--accent-a);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.code-grid {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 14px;
}

.code-pod {
  padding: 16px;
}

.file-tree,
.terminal-stream,
.diff-stream,
.model-rack {
  font-family: var(--mono-font);
  font-size: 0.86rem;
  line-height: 1.7;
}

.terminal-line--ok {
  color: var(--success);
}

.terminal-line--warn {
  color: var(--warning);
}

.terminal-line--danger {
  color: var(--danger);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 20px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.status-card {
  padding: 14px;
  border-radius: calc(var(--panel-radius) - 12px);
  background: rgba(5, 10, 23, 0.56);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.status-card__label {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-card__value {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.45;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  box-shadow: 0 0 16px currentColor;
}

.status-dot--ok { color: var(--success); background: var(--success); }
.status-dot--warn { color: var(--warning); background: var(--warning); }
.status-dot--danger { color: var(--danger); background: var(--danger); }

.commerce-section {
  margin-top: 8px;
}

.commerce-cluster {
  align-items: start;
}

.commerce-panel {
  min-height: 0;
}

.commerce-card-grid {
  display: grid;
  gap: 16px;
}

.commerce-card {
  padding: 18px;
  border-radius: calc(var(--panel-radius) - 8px);
  background: rgba(5, 10, 23, 0.48);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.commerce-plan-grid {
  display: grid;
  gap: 12px;
}

.commerce-plan {
  padding: 16px;
  border-radius: calc(var(--panel-radius) - 12px);
  background: rgba(7, 14, 28, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.12);
  display: grid;
  gap: 10px;
}

.commerce-plan__header,
.commerce-feature-line,
.commerce-fulfillment-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.commerce-plan__header strong {
  font-family: var(--heading-font);
}

.commerce-plan p,
.commerce-fulfillment-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.commerce-plan__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--accent-a);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.commerce-summary-card,
.commerce-limit-card {
  padding: 14px;
  border-radius: calc(var(--panel-radius) - 12px);
  background: rgba(5, 10, 23, 0.52);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.commerce-summary-card small,
.commerce-limit-card small {
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.commerce-summary-card strong,
.commerce-limit-card strong {
  font-family: var(--heading-font);
  display: block;
  line-height: 1.4;
}

.commerce-chip-row {
  margin-top: 2px;
}

.commerce-card-footer .suite-tag {
  max-width: 50%;
  word-break: break-word;
}

.commerce-fulfillment-item {
  display: grid;
  gap: 10px;
}

.commerce-fulfillment-meta {
  color: var(--accent-a);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.commerce-error {
  border-color: rgba(251, 191, 36, 0.22);
}

.commerce-form input[type="text"],
.commerce-form input[type="password"] {
  height: 48px;
  border-radius: 14px;
  padding: 0 14px;
  color: var(--text);
  background: rgba(5, 10, 23, 0.75);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.control-form {
  display: grid;
  gap: 14px;
}

.control-form label {
  display: grid;
  gap: 8px;
}

.control-form span {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.control-form select,
.control-form input[type="range"] {
  width: 100%;
}

.control-form select {
  height: 48px;
  border-radius: 14px;
  padding: 0 14px;
  color: var(--text);
  background: rgba(5, 10, 23, 0.75);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.checkbox-row {
  display: flex !important;
  align-items: center;
  gap: 12px;
}

.checkbox-row span {
  margin: 0;
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  text-transform: none;
}

.prompt-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.prompt-chip {
  cursor: pointer;
  border: 1px solid rgba(125, 211, 252, 0.18);
  background: rgba(13, 20, 38, 0.76);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.prompt-chip:hover,
.prompt-chip:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(125, 211, 252, 0.36);
}

.scenario-preview {
  margin-top: 14px;
  padding: 18px;
  border-radius: calc(var(--panel-radius) - 10px);
  background: rgba(5, 10, 23, 0.56);
  border: 1px solid rgba(148, 163, 184, 0.12);
  color: var(--muted);
  line-height: 1.7;
}

.suite-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.suite-card {
  padding: 18px;
  border-radius: calc(var(--panel-radius) - 8px);
  background: rgba(5, 10, 23, 0.48);
  border: 1px solid rgba(148, 163, 184, 0.12);
  display: grid;
  gap: 14px;
}

.suite-card h3 {
  margin: 0;
  font-family: var(--heading-font);
  font-size: 1.08rem;
}

.suite-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.suite-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.suite-tag {
  color: var(--accent-a);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(-8px, 10px, 0); }
  to { transform: translate3d(0, 0, 0); }
}

@media (max-width: 1180px) {
  .page-grid,
  body[data-layout="focus"] .page-grid,
  body[data-layout="analyst"] .page-grid,
  .workspace-cluster {
    grid-template-columns: 1fr;
  }

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

  .topnav,
  .topbar-status {
    justify-content: flex-start;
  }
}

@media (max-width: 860px) {
  .site-shell {
    padding: 16px;
  }

  .hero-card h1 {
    max-width: none;
  }

  .metric-strip,
  .lane-grid,
  .feature-grid,
  .suite-card-grid,
  .code-grid,
  .commerce-summary-grid,
  .commerce-limit-grid,
  .status-grid {
    grid-template-columns: 1fr;
  }
}