:root {
  --bg: #07080c;
  --bg-2: #111017;
  --panel: rgba(20, 18, 28, 0.74);
  --panel-soft: rgba(28, 24, 36, 0.6);
  --border: rgba(255,255,255,0.08);
  --text: #f4f1fb;
  --muted: #a59cb6;
  --blue: #8f7dff;
  --cyan: #c78cff;
  --green: #8ce6b0;
  --amber: #ffb36b;
  --purple: #b08cff;
  --red: #ff7e8d;
  --gold: #ffd27a;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --shadow: 0 30px 80px rgba(0,0,0,0.42);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(176,140,255,0.14), transparent 24%),
    radial-gradient(circle at top right, rgba(255,179,107,0.10), transparent 22%),
    radial-gradient(circle at bottom center, rgba(199,140,255,0.09), transparent 26%),
    linear-gradient(180deg, #05050a 0%, #0d0b12 38%, #09080d 100%);
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 88%);
}

.orb {
  position: fixed;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.45;
  pointer-events: none;
}
.orb-a { width: 320px; height: 320px; left: -80px; top: -60px; background: rgba(106,141,255,0.25); }
.orb-b { width: 380px; height: 380px; right: -120px; top: 18%; background: rgba(85,211,255,0.16); }
.orb-c { width: 360px; height: 360px; left: 38%; bottom: -150px; background: rgba(162,124,255,0.18); }

.app-shell {
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 18px;
  height: 100vh;
  padding: 18px;
}

.glass,
.glass-soft {
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: var(--shadow);
}

.glass-soft {
  background: var(--panel-soft);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
}

.sidebar {
  border-radius: var(--radius-xl);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: auto;
}

.brand-block {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.brand-mark {
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  font-size: 20px;
  color: var(--cyan);
  background: linear-gradient(135deg, rgba(106,141,255,0.24), rgba(85,211,255,0.12));
  border: 1px solid rgba(106,141,255,0.26);
}
.sidebar-subcopy { margin-top: 6px; color: var(--muted); font-size: 13px; line-height: 1.45; }

.eyebrow,
.section-label,
.node-kicker,
.metric-label,
.memory-tag,
.overlay-tag,
.control-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 6px;
}

h1,h2,h3,h4,p,strong,span { margin: 0; }
h1 { font-size: 26px; }
h2 { font-size: clamp(28px, 3vw, 44px); line-height: 1.02; max-width: 780px; }
h3 { font-size: 20px; }
h4 { font-size: 18px; }

.nav-stack { display: flex; flex-direction: column; gap: 8px; }
.nav-item,
.mode-pill,
.surface-pill,
.toolbar-btn,
.primary-btn,
.secondary-btn,
.text-btn,
.icon-btn {
  appearance: none;
  border: none;
  font: inherit;
  cursor: pointer;
  color: var(--text);
}
.nav-item {
  text-align: left;
  border-radius: 14px;
  padding: 13px 14px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  transition: 160ms ease;
}
.nav-item.active,
.nav-item:hover {
  background: rgba(106,141,255,0.08);
  border-color: rgba(106,141,255,0.25);
  color: var(--text);
}

.sidebar-card { border-radius: var(--radius-lg); padding: 16px; }
.stack-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.stack-actions { display: flex; align-items: center; gap: 8px; }
.tight-head { align-items: flex-start; }
.count-badge,
.live-chip,
.status,
.url-pill {
  border-radius: 999px;
  padding: 7px 11px;
  border: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
}
.count-badge { color: var(--muted); }
.icon-btn {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}
.icon-btn.subtle { background: rgba(255,255,255,0.03); color: var(--muted); }

.mode-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.mode-pill,
.surface-pill,
.toolbar-btn,
.text-btn,
.secondary-btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
}
.mode-pill { padding: 12px 10px; color: var(--muted); }
.mode-pill.active,
.surface-pill.active {
  background: linear-gradient(135deg, rgba(106,141,255,0.18), rgba(85,211,255,0.08));
  border-color: rgba(106,141,255,0.25);
  color: var(--text);
}

.mission-list,
.preference-list,
.event-list { display: flex; flex-direction: column; gap: 12px; }
.mission-composer {
  margin-top: 12px;
  border-radius: 18px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mission-composer.hidden { display: none; }
.composer-subcopy,
.field-label { color: var(--muted); font-size: 12px; }
.composer-input,
.composer-textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 12px 13px;
  font: inherit;
}
.composer-textarea { resize: vertical; min-height: 92px; }
.composer-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.small-btn { padding: 12px 14px; border-radius: 14px; }
.mission-item,
.control-card,
.mini-grid {
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
  padding: 14px;
}
.mission-item { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.mission-item.active,
.selected-card {
  background: linear-gradient(180deg, rgba(106,141,255,0.12), rgba(255,255,255,0.03));
  border-color: rgba(106,141,255,0.22);
}
.mission-item h3,.control-card h4 { margin-bottom: 4px; }
.mission-item p,.preference-list li,.control-card p,.detail-card p,.memory-card p,.hero-copy,.metric-foot,.event-item p,.browser-overlay p,.sidebar-subcopy { color: var(--muted); line-height: 1.45; }
.mission-item p,.control-card p { font-size: 12.5px; }
.status-live { background: rgba(85,211,255,0.12); color: var(--cyan); }
.status-done { background: rgba(103,229,177,0.12); color: var(--green); }
.status-warm { background: rgba(255,193,111,0.12); color: var(--amber); }

.preference-list { list-style: none; padding: 0; margin: 8px 0 0; }
.preference-list li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 13px; }
.preference-list li:last-child { border-bottom: none; padding-bottom: 0; }
.pulse-dot {
  width: 10px; height: 10px; border-radius: 999px; background: var(--purple);
  box-shadow: 0 0 0 0 rgba(162,124,255,0.45); animation: pulse 2s infinite;
}

.main-stage {
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 14px;
  overflow: auto;
}
.hero {
  border-radius: var(--radius-xl);
  padding: 20px 22px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 18px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; right: -90px; bottom: -110px; width: 340px; height: 340px; border-radius: 999px;
  background: radial-gradient(circle, rgba(106,141,255,0.32) 0%, rgba(106,141,255,0.06) 45%, transparent 70%);
}
.hero-copy { margin-top: 8px; max-width: 720px; font-size: 14px; }
.hero-actions { display: flex; gap: 10px; z-index: 1; flex-wrap: wrap; align-self: center; }
.primary-btn,
.secondary-btn,
.text-btn,
.toolbar-btn,
.surface-pill { transition: transform 160ms ease, background 160ms ease, border-color 160ms ease; }
.primary-btn:hover,
.secondary-btn:hover,
.text-btn:hover,
.toolbar-btn:hover,
.surface-pill:hover,
.mode-pill:hover,
.nav-item:hover { transform: translateY(-1px); }
.primary-btn {
  background: linear-gradient(135deg, var(--blue), #50cfff);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: 0 14px 34px rgba(80, 143, 255, 0.35);
}
.secondary-btn,
.text-btn,
.toolbar-btn,
.surface-pill { padding: 12px 14px; }
.text-btn { border-radius: 999px; }

.top-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 12px;
}
.metric-card {
  border-radius: 20px;
  padding: 14px 16px;
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.metric-value { font-size: 32px; letter-spacing: -0.04em; }
.metric-foot { font-size: 12px; }

.workspace-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.35fr 0.95fr;
  gap: 14px;
  min-height: 620px;
}
.panel,
.bottom-panel { border-radius: var(--radius-xl); padding: 16px; min-width: 0; }
.compact-head { margin-bottom: 12px; }
.live-chip { background: rgba(85,211,255,0.12); color: var(--cyan); }

.surface-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.environment-dock {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 12px;
  border-radius: 16px;
  padding: 12px 14px;
  margin-bottom: 12px;
}
.environment-dock strong { font-size: 15px; }
#environmentHint { color: var(--muted); font-size: 12px; line-height: 1.4; display: block; }
.surface-panel { display: none; flex-direction: column; gap: 12px; }
.surface-panel.active { display: flex; }
.mini-grid { display: grid; gap: 14px; }
.agent-summary-grid,
.observer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.agent-lane {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.agent-chip {
  border-radius: 16px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}
.agent-chip strong,
.observer-item strong { display: block; margin-bottom: 4px; }
.agent-chip span { color: var(--muted); font-size: 12px; }
.live-agent { box-shadow: inset 0 0 0 1px rgba(140,230,176,0.08); }
.warm-agent { box-shadow: inset 0 0 0 1px rgba(255,179,107,0.10); }

.browser-frame {
  height: calc(100% - 56px);
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.browser-toolbar {
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,0.06); background: rgba(255,255,255,0.02);
}
.url-pill { background: rgba(255,255,255,0.04); color: var(--muted); }
.toolbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.browser-canvas {
  position: relative; height: 100%; overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)),
    radial-gradient(circle at top right, rgba(85,211,255,0.12), transparent 30%),
    radial-gradient(circle at bottom left, rgba(162,124,255,0.16), transparent 34%),
    linear-gradient(180deg, #0b1220 0%, #060b14 100%);
}
.browser-overlay {
  position: absolute; top: 22px; left: 22px; z-index: 3; max-width: 420px;
}
.browser-overlay p { margin-top: 10px; max-width: 360px; }
.feature-stack { position: absolute; inset: 0; z-index: 3; }
.browser-preview-card {
  position: absolute; min-width: 168px; max-width: 214px;
  border-radius: 18px; padding: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(13,20,38,0.6);
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.25);
}
.browser-preview-card span { display: block; font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.browser-preview-card strong { font-size: 15px; line-height: 1.24; }
.card-a { top: 44px; right: 34px; }
.card-b { bottom: 132px; left: 52px; }
.card-c { right: 70px; bottom: 54px; }
.card-d { top: 154px; right: 156px; }
.mini-hud {
  position: absolute; left: 20px; right: 20px; bottom: 18px; z-index: 3;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  border-radius: 16px; padding: 12px 14px;
}
.mini-hud strong { font-size: 15px; }

.signal-lines {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1;
}
.pipe { fill: none; stroke-linecap: round; }
.pipe-main { stroke: url(#backbone); stroke-width: 12; opacity: 0.9; stroke-dasharray: 160 40; animation: flow 10s linear infinite; }
.pipe-secondary { stroke: url(#backbone); stroke-width: 4; opacity: 0.6; stroke-dasharray: 24 14; animation: flow 7s linear infinite; }
.pipe-memory { stroke: url(#memoryGlow); stroke-width: 6; opacity: 0.7; stroke-dasharray: 40 20; animation: flow 8s linear infinite reverse; }
.pipe-risk { stroke: url(#riskGlow); stroke-width: 5; opacity: 0.55; stroke-dasharray: 32 22; animation: flow 6s linear infinite; }

.tree-map {
  border-radius: 20px; padding: 14px; margin-bottom: 12px;
}
.tree-root { margin-bottom: 12px; }
.tree-branches {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; position: relative;
}
.tree-column { display: flex; flex-direction: column; gap: 10px; }
.tree-column.children-column { padding-top: 18px; }
.tree-node {
  border-radius: 16px; padding: 12px;
  border: 1px solid rgba(255,255,255,0.06); background: rgba(255,255,255,0.03);
}
.tree-node strong { font-size: 14px; }
.root-node { border-color: rgba(85,211,255,0.25); background: rgba(85,211,255,0.08); }
.good-node { border-color: rgba(103,229,177,0.2); background: rgba(103,229,177,0.06); }
.shortlist-node { border-color: rgba(255,193,111,0.2); background: rgba(255,193,111,0.06); }
.promote-node { border-color: rgba(255,214,107,0.24); background: rgba(255,214,107,0.08); }
.danger-node { border-color: rgba(255,113,137,0.22); background: rgba(255,113,137,0.06); opacity: 0.78; }
.active-node { box-shadow: inset 0 0 0 1px rgba(85,211,255,0.08), 0 0 0 1px rgba(85,211,255,0.05); }

.detail-grid,
.memory-cards,
.three-up {
  display: grid; gap: 14px;
}
.detail-grid { grid-template-columns: repeat(2, minmax(0,1fr)); margin-bottom: 12px; }
.memory-cards { grid-template-columns: repeat(2, minmax(0,1fr)); }
.three-up { grid-template-columns: repeat(3, minmax(0,1fr)); }
.detail-card,
.memory-card { border-radius: 16px; padding: 14px; }
.detail-card strong,
.memory-card strong { display: block; margin: 6px 0; font-size: 15px; }

.event-item {
  display: grid; grid-template-columns: 14px 1fr auto; gap: 12px; align-items: start;
  border-radius: 16px; padding: 12px 14px;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
}
.event-dot {
  margin-top: 4px; width: 10px; height: 10px; border-radius: 999px; background: currentColor; box-shadow: 0 0 12px currentColor;
}
.event-item.success { color: var(--green); }
.event-item.info { color: var(--cyan); }
.event-item.accent { color: var(--purple); }
.event-item.warn { color: var(--amber); }
.event-item strong,.event-item p { color: var(--text); }
.event-item p { color: var(--muted); }
.event-item time { color: var(--muted); font-size: 12px; padding-top: 2px; }
.right-events { max-height: 300px; overflow: auto; }

.bottom-row { display: grid; }
.two-column-bottom { grid-template-columns: 1.15fr 1fr; gap: 14px; }
.observer-feed {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}
.observer-item {
  border-radius: 16px;
  padding: 14px;
}
.intel-card { min-height: 120px; }
.replay-bar {
  margin-top: 16px; display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; color: var(--muted);
}
input[type="range"] { width: 100%; accent-color: var(--blue); }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(162,124,255,0.45); }
  70% { box-shadow: 0 0 0 10px rgba(162,124,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(162,124,255,0); }
}
@keyframes flow {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -260; }
}

@media (max-width: 1540px) {
  body { overflow: auto; }
  .app-shell { grid-template-columns: 1fr; height: auto; }
  .workspace-grid,
  .two-column-bottom { grid-template-columns: 1fr; }
  .three-up { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .top-metrics { grid-template-columns: 1fr 1fr; }
  .memory-cards,
  .detail-grid,
  .mini-hud,
  .agent-summary-grid,
  .observer-grid,
  .agent-lane,
  .composer-row { grid-template-columns: 1fr; }
  .hero { align-items: flex-start; flex-direction: column; }
  .browser-overlay { position: relative; top: auto; left: auto; padding: 24px 24px 0; }
  .browser-preview-card { position: relative; inset: auto; margin: 12px 24px; }
  .feature-stack { position: relative; padding-bottom: 20px; }
  .mini-hud { position: relative; left: auto; right: auto; bottom: auto; margin: 0 24px 24px; }
  .tree-branches { grid-template-columns: 1fr; }
  .tree-column.children-column { padding-top: 0; }
}

@media (max-width: 640px) {
  .app-shell { padding: 12px; gap: 12px; }
  .sidebar, .hero, .panel, .bottom-panel { border-radius: 22px; }
  .top-metrics { grid-template-columns: 1fr; }
  h2 { font-size: 28px; }
  .hero-actions,
  .toolbar-actions,
  .surface-toolbar { width: 100%; flex-wrap: wrap; }
}