/* ============================================================================
 * App shell — left rail + main column.
 * The left rail now has a visible wordmark + geometric brand mark, icon-led
 * navigation with a gradient active pill, and a small account footer.
 * ========================================================================= */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
  gap: var(--space-16);
  padding: var(--space-16);
}

/* ----- Sidebar / nav rail ------------------------------------------------
 * Note: this panel is sticky + tall + always on-screen, and previously had a
 * full backdrop-filter blur. That forced the browser to re-rasterize the
 * blurred region on every scroll frame. Replaced with an opaque-enough
 * gradient so the effect reads as "layered panel" without the paint cost. */
.sidebar {
  position: sticky;
  top: var(--space-16);
  height: calc(100vh - 2 * var(--space-16));
  overflow-y: auto;
  padding: var(--space-20) var(--space-14) var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  background:
    linear-gradient(180deg, rgba(18, 22, 40, 0.94) 0%, rgba(10, 13, 26, 0.94) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-16);
  box-shadow: var(--shadow-raised);
  contain: paint;
}

/* Wordmark row: geometric glyph + type. Clicking it goes to dashboard. */
.brand {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 6px 8px 14px;
  margin: 0 0 var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text);
}
.brand:hover { color: var(--color-text); }

.cb-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.cb-logo-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}
.cb-mark-svg { width: 100%; height: 100%; overflow: visible; }
.cb-mark-outer,
.cb-mark-inner {
  fill: rgba(8, 13, 30, 0.96);
  stroke: #22d3ee;
}
.cb-mark-outer { stroke-width: 3; }
.cb-mark-inner { stroke-width: 1.5; opacity: 0.5; }
.cb-mark-text {
  fill: #45d9ff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-family: "Inter", "Segoe UI", sans-serif;
}
.cb-logo-copy {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1;
}
.cb-logo-wordmark {
  font-family: var(--font-family-display);
  font-weight: 700;
  font-size: var(--font-size-22);
  letter-spacing: -0.02em;
  color: #f5f7ff;
  white-space: nowrap;
}
.cb-logo-wordmark span { color: #22d3ee; }
.cb-logo-tagline {
  font-size: 9px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: #7d8aa9;
  font-weight: 600;
}
.cb-logo--compact .cb-logo-mark { width: 28px; height: 28px; }
.cb-logo--compact .cb-logo-wordmark { font-size: var(--font-size-18); }
.cb-logo--compact .cb-logo-tagline { display: none; }

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
}
.nav-group + .nav-group { margin-top: 10px; }

.nav-group-title {
  margin: 10px 10px 4px;
  color: var(--color-text-dim);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-10);
  color: var(--color-text-muted);
  font-size: var(--font-size-13);
  font-weight: 500;
  border: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.nav-link i {
  width: 18px;
  text-align: center;
  font-size: 14px;
  color: var(--color-text-dim);
  transition: color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.nav-link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.03);
}
.nav-link:hover i { color: var(--color-primary); }
.nav-link.is-active {
  color: var(--color-text);
  background:
    linear-gradient(90deg, rgba(34, 227, 255, 0.14) 0%, rgba(107, 125, 255, 0.1) 100%);
  border-color: rgba(34, 227, 255, 0.24);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 0 24px -10px rgba(34, 227, 255, 0.5);
}
.nav-link.is-active::before {
  /* Gradient rail on the left edge of the active item. */
  content: "";
  position: absolute;
  left: -1px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 99px;
  background: linear-gradient(180deg, #22e3ff, #b06bff);
  box-shadow: 0 0 14px rgba(34, 227, 255, 0.6);
}
.nav-link.is-active i { color: var(--color-primary); }

.sidebar-footer {
  margin-top: auto;
  padding-top: var(--space-12);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.sidebar-help {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  color: var(--color-text-muted);
  font-size: var(--font-size-12);
  border-radius: var(--radius-10);
  border: 1px dashed rgba(255, 255, 255, 0.08);
  background: transparent;
}
.sidebar-help:hover {
  color: var(--color-text);
  border-color: rgba(34, 227, 255, 0.32);
}
.kbd-inline {
  margin-left: auto;
  font-family: var(--font-family-mono);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-muted);
}

/* ----- Main column + topbar --------------------------------------------- */
.main-column {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-radius: var(--radius-16);
  overflow: hidden;
  border: 1px solid var(--color-border);
  /* Slightly more opaque than before — dropping the backdrop-filter means
   * we need enough fill to separate the main column from the aurora. */
  background: linear-gradient(180deg, rgba(14, 18, 32, 0.85), rgba(8, 10, 22, 0.88));
  box-shadow: var(--shadow-floating);
}

.topbar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  padding: 0 var(--space-20);
  border-bottom: 1px solid var(--color-border);
  /* sticky elements + backdrop-filter = paint every scroll frame. Opaque
   * instead — still reads as a distinct header thanks to the bottom border. */
  background: rgba(10, 13, 26, 0.95);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-search-wrap {
  position: relative;
  flex: 1;
  max-width: 560px;
  display: flex;
  align-items: center;
}
.topbar-search-icon {
  position: absolute;
  left: 14px;
  color: var(--color-text-dim);
  pointer-events: none;
  font-size: 12px;
}
.topbar-search {
  width: 100%;
  height: 38px;
  padding: 0 72px 0 38px;
  border-radius: var(--radius-10);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--font-size-13);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.topbar-search::placeholder { color: var(--color-text-dim); }
.topbar-search:focus {
  border-color: rgba(34, 227, 255, 0.45);
  background: rgba(255, 255, 255, 0.045);
}
.topbar-search-kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-family: var(--font-family-mono);
  font-size: 10.5px;
  padding: 3px 8px;
  border-radius: 6px;
  color: var(--color-text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-menu-btn {
  display: none;
  flex: 0 0 auto;
}

.nav-overlay {
  display: none;
}

/* ----- Buttons --------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 14px;
  border-radius: var(--radius-10);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #06070f;
  font-weight: 650;
  font-size: var(--font-size-13);
  background:
    linear-gradient(135deg, #22e3ff 0%, #6b7dff 60%, #b06bff 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 10px 24px -10px rgba(34, 227, 255, 0.55);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  /* Subtle sheen sweep on hover. */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 40%, rgba(255, 255, 255, 0.28) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 620ms var(--ease-out);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 16px 32px -10px rgba(34, 227, 255, 0.7);
}
.btn-primary:hover::after { transform: translateX(100%); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 14px;
  border-radius: var(--radius-10);
  border: 1px solid var(--color-border-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text);
  font-weight: 550;
  font-size: var(--font-size-13);
}
.btn-secondary:hover {
  border-color: rgba(34, 227, 255, 0.42);
  background: rgba(34, 227, 255, 0.06);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-8);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: var(--font-size-13);
}
.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-border);
  background: rgba(255, 255, 255, 0.03);
}

/* ----- Page container -------------------------------------------------- */
.page-container {
  padding: var(--space-24) var(--space-24) var(--space-32);
}
.page-container > * + * { margin-top: var(--space-16); }

/* ----- Hero panel ------------------------------------------------------ */
.hero-panel {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-24);
  padding: var(--space-28) var(--space-28);
  overflow: hidden;
  border-radius: var(--radius-20);
  border: 1px solid var(--color-border);
  background:
    radial-gradient(120% 110% at 0% 0%, rgba(34, 227, 255, 0.08), transparent 55%),
    radial-gradient(120% 110% at 100% 100%, rgba(176, 107, 255, 0.08), transparent 55%),
    linear-gradient(180deg, rgba(18, 22, 38, 0.78), rgba(12, 15, 28, 0.78));
  box-shadow: var(--shadow-raised);
  isolation: isolate;
}
.hero-panel::before {
  /* Static soft sheen behind the title. Previously a rotating conic-gradient
   * + blur(60px) filter — both combined to repaint the whole hero on every
   * frame while scrolling past. A radial gradient reads almost identically
   * with zero filter cost. */
  content: "";
  position: absolute;
  top: -220px;
  left: -160px;
  width: 580px;
  height: 580px;
  background:
    radial-gradient(closest-side, rgba(34, 227, 255, 0.18), transparent 60%),
    radial-gradient(closest-side at 70% 30%, rgba(176, 107, 255, 0.14), transparent 65%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}
.hero-panel { contain: paint; }
.hero-panel > * { position: relative; z-index: 1; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--color-text-muted);
  font-family: var(--font-family-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: linear-gradient(90deg, rgba(34, 227, 255, 0.8), transparent);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  flex-wrap: wrap;
}

.page-title {
  margin: 0 0 8px;
  font-family: var(--font-family-display);
  font-size: var(--font-size-40);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--color-text);
}
.page-title em {
  font-style: normal;
  background: linear-gradient(90deg, #22e3ff, #b06bff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-subtitle {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-14);
  max-width: 62ch;
  line-height: 1.55;
}

/* ----- Card system ---------------------------------------------------- */
.card-grid {
  margin-top: var(--space-16);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-14);
}

.card {
  position: relative;
  isolation: isolate;
  padding: var(--space-16) var(--space-18, 18px);
  border-radius: var(--radius-14);
  border: 1px solid var(--color-border);
  /* Opaque gradient replaces the previous translucent + backdrop-blur combo.
   * There can be 10+ cards on screen; blurring each one on every scroll
   * frame was the single biggest source of scroll jank. */
  background:
    linear-gradient(180deg, rgba(20, 24, 42, 0.96), rgba(12, 15, 28, 0.96));
  box-shadow: var(--shadow-surface);
  transition:
    transform var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-med) var(--ease-out);
}
.card::before {
  /* Top highlight line for glass depth. */
  content: "";
  position: absolute;
  top: 0;
  left: 14px;
  right: 14px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
  pointer-events: none;
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 227, 255, 0.3);
  box-shadow: var(--shadow-raised);
}
.card .label {
  color: var(--color-text-muted);
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}
.card .value {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-28);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

/* KPI card bits. */
.kpi-card .kpi-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-12);
}
.kpi-icon {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  background: rgba(255, 255, 255, 0.02);
  font-size: 12.5px;
}

/* Chips — tighter, more premium. */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}
.chip-sm { font-size: 10px; padding: 2px 7px; }

.cyan    { color: #9ef8ff; background: rgba(34, 227, 255, 0.1);  border-color: rgba(34, 227, 255, 0.22); }
.violet  { color: #d7cdff; background: rgba(176, 107, 255, 0.12); border-color: rgba(176, 107, 255, 0.26); }
.blue    { color: #bddfff; background: rgba(59, 130, 246, 0.12); border-color: rgba(59, 130, 246, 0.26); }
.green   { color: #b5f5cc; background: rgba(34, 197, 94, 0.12);  border-color: rgba(34, 197, 94, 0.26); }
.warning { color: #ffd79a; background: rgba(245, 165, 36, 0.12); border-color: rgba(245, 165, 36, 0.28); }
.rose    { color: #ffb9c5; background: rgba(239, 72, 85, 0.12);  border-color: rgba(239, 72, 85, 0.3); }

/* Status dot for pipeline labels. */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  display: inline-block;
}
.status-dot.cyan    { background: #22e3ff; box-shadow: 0 0 10px rgba(34, 227, 255, 0.8); }
.status-dot.violet  { background: #b06bff; box-shadow: 0 0 10px rgba(176, 107, 255, 0.8); }
.status-dot.blue    { background: #6b7dff; box-shadow: 0 0 10px rgba(107, 125, 255, 0.8); }
.status-dot.green   { background: #22c55e; box-shadow: 0 0 10px rgba(34, 197, 94, 0.7); }
.status-dot.warning { background: #f5a524; box-shadow: 0 0 10px rgba(245, 165, 36, 0.7); }
.status-dot.rose    { background: #ef4855; box-shadow: 0 0 10px rgba(239, 72, 85, 0.7); }

/* ----- Dashboard grid (cockpit) --------------------------------------- */
.dashboard-layout {
  margin-top: var(--space-16);
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: var(--space-14);
}

.panel-lg { min-height: 260px; }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-14);
}
.panel-head h2 {
  margin: 0;
  font-size: var(--font-size-18);
  font-weight: 650;
  letter-spacing: -0.01em;
  font-family: var(--font-family-display);
}

.task-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}
.task-list li { display: flex; align-items: center; gap: var(--space-12); color: var(--color-text); }

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-12);
}
.pipeline-col {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-12);
  background: rgba(255, 255, 255, 0.02);
  padding: var(--space-12);
  text-align: center;
}
.pipeline-col p {
  margin: 0 0 6px;
  color: var(--color-text-muted);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.pipeline-col strong {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-24);
  letter-spacing: -0.02em;
}

.insight-copy { line-height: 1.65; }

.ai-actions {
  margin-top: var(--space-16);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
}
.ai-action-btn { font-size: var(--font-size-12); padding: 6px 10px; }

.ai-output {
  margin-top: var(--space-12);
  padding: var(--space-12);
  border-radius: var(--radius-10);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  min-height: 64px;
}
.ai-meta {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-12);
}
.ai-body  { margin: var(--space-8) 0 0; color: var(--color-text); }
.ai-error { margin: 0; color: #ffb9bd; }

/* Skeletons kept identical in motion, just retuned colors. */
.skeleton-row { margin-bottom: var(--space-12); }
.skeleton {
  border-radius: var(--radius-8);
  background: linear-gradient(90deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.1),
    rgba(255, 255, 255, 0.04));
  background-size: 220% 100%;
  animation: shimmer 1.2s infinite linear;
}
.skeleton-title { width: min(460px, 100%); height: 2rem; margin-bottom: var(--space-12); }
.skeleton-subtitle { width: min(620px, 100%); height: 1rem; }
.skeleton-card { min-height: 120px; }
.skeleton-block { width: 100%; height: 84px; }
@keyframes shimmer {
  0%   { background-position: 160% 0; }
  100% { background-position: -120% 0; }
}

/* ----- Responsive --------------------------------------------------------- */
@media (max-width: 1160px) {
  .dashboard-layout { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  body.nav-open {
    overflow: hidden;
  }
  .app-shell { grid-template-columns: 1fr; gap: var(--space-12); padding: var(--space-12); }
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 120;
    width: min(82vw, 320px);
    height: 100vh;
    border-radius: 0;
    transform: translateX(-100%);
    transition: transform var(--dur-med) var(--ease-out);
  }
  .app-shell.is-nav-open .sidebar {
    transform: translateX(0);
  }
  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 110;
    border: 0;
    padding: 0;
    margin: 0;
    background: rgba(2, 4, 10, 0.56);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-fast) var(--ease-out);
  }
  .app-shell.is-nav-open .nav-overlay {
    opacity: 1;
    pointer-events: auto;
  }
  .topbar-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
  }
  .topbar-search-wrap {
    max-width: none;
  }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-layout { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .topbar {
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-12);
    height: auto;
    padding: var(--space-14);
  }
  .topbar-search-wrap {
    order: 3;
    width: 100%;
    flex-basis: 100%;
  }
  .topbar-actions {
    width: auto;
    margin-left: auto;
  }
  .topbar-search { width: 100%; }
  .card-grid { grid-template-columns: 1fr; }
  .hero-panel { flex-direction: column; align-items: stretch; }
  .hero-actions { width: 100%; flex-direction: column; }
  .pipeline-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-title { font-size: var(--font-size-32); }
}