/* ═══════════════════════════════════════════════════════════
   ARQUITETO DE IA · DASHBOARD · STYLE
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg-base:       #080c14;
  --bg-surface:    #0d1321;
  --bg-card:       #111827;
  --bg-card-hover: #141e2e;
  --bg-border:     rgba(99,102,241,.15);
  --accent:        #6366f1;
  --accent-light:  #818cf8;
  --accent-glow:   rgba(99,102,241,.25);
  --purple:        #a855f7;
  --green:         #22c55e;
  --yellow:        #eab308;
  --red:           #ef4444;
  --blue:          #3b82f6;
  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;
  --sidebar-w:     260px;
  --topbar-h:      72px;
  --radius:        14px;
  --radius-sm:     8px;
  --shadow:        0 4px 24px rgba(0,0,0,.45);
  --transition:    .2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ══════════════════ SCROLLBAR ══════════════════ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 99px; }

/* ══════════════════ SIDEBAR ══════════════════ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--bg-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition);
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--bg-border);
}
.brand-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 18px var(--accent-glow);
}
.brand-title {
  display: block;
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: .02em;
}
.brand-sub {
  display: block;
  font-size: .68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.sidebar-nav {
  flex: 1;
  padding: 1.25rem .75rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.nav-section-label {
  font-size: .65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
  padding: .5rem .5rem .25rem;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .6rem .75rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}
.nav-item i { width: 16px; text-align: center; font-size: .8rem; }
.nav-item:hover { background: var(--accent-glow); color: var(--accent-light); }
.nav-item.active {
  background: linear-gradient(90deg, rgba(99,102,241,.2), transparent);
  color: var(--accent-light);
  border-left: 2px solid var(--accent);
  padding-left: calc(.75rem - 2px);
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--bg-border);
}
.campaign-badge {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  color: var(--text-muted);
}
.pulse-dot {
  color: var(--green);
  font-size: .5rem;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: .3; }
}

/* ══════════════════ MAIN CONTENT ══════════════════ */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ══════════════════ TOPBAR ══════════════════ */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--bg-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(12px);
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.1rem;
  cursor: pointer;
  padding: .35rem;
}
.page-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}
.page-sub {
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: .1rem;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: .6rem;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .3rem .75rem;
  border-radius: 99px;
  font-size: .7rem;
  font-weight: 600;
}
.pill-success { background: rgba(34,197,94,.15); color: var(--green); border: 1px solid rgba(34,197,94,.3); }
.pill-warning  { background: rgba(234,179,8,.12); color: var(--yellow); border: 1px solid rgba(234,179,8,.3); }

/* ══════════════════ SECTION ══════════════════ */
.section {
  padding: 2.5rem 2rem;
  border-bottom: 1px solid var(--bg-border);
}
.section-header { margin-bottom: 2rem; }
.section-tag {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent-light);
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.25);
  padding: .2rem .6rem;
  border-radius: 99px;
  margin-bottom: .6rem;
}
.section-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: .4rem;
  line-height: 1.2;
}
.section-desc {
  font-size: .85rem;
  color: var(--text-secondary);
  max-width: 600px;
}

/* ══════════════════ KPI GRID ══════════════════ */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  opacity: 0;
  transition: opacity var(--transition);
}
.kpi-card:hover { border-color: rgba(99,102,241,.4); transform: translateY(-2px); box-shadow: var(--shadow); }
.kpi-card:hover::before { opacity: 1; }

.kpi-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.kpi-invest  .kpi-icon { background: rgba(234,179,8,.15); color: var(--yellow); }
.kpi-leads   .kpi-icon { background: rgba(99,102,241,.15); color: var(--accent-light); }
.kpi-audience .kpi-icon { background: rgba(168,85,247,.15); color: var(--purple); }
.kpi-sales-live .kpi-icon { background: rgba(34,197,94,.15); color: var(--green); }
.kpi-sales-total .kpi-icon { background: rgba(59,130,246,.15); color: var(--blue); }
.kpi-revenue .kpi-icon { background: rgba(239,68,68,.15); color: #f87171; }

.kpi-body { flex: 1; }
.kpi-label {
  display: block;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: .25rem;
}
.kpi-value {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: .2rem;
}
.kpi-sub {
  font-size: .72rem;
  color: var(--text-secondary);
}
.kpi-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: .2rem .5rem;
  border-radius: 99px;
}
.badge-success { background: rgba(34,197,94,.15); color: var(--green); }
.badge-warning  { background: rgba(234,179,8,.12); color: var(--yellow); }
.badge-neutral  { background: rgba(148,163,184,.1); color: var(--text-muted); }
.badge-info     { background: rgba(59,130,246,.15); color: var(--blue); }

/* ══════════════════ CHARTS LAYOUT ══════════════════ */
.charts-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition);
}
.chart-card:hover { border-color: rgba(99,102,241,.35); }
.chart-half   { flex: 2; min-width: 340px; }
.chart-quarter { flex: 1; min-width: 220px; }

.chart-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.chart-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: .3rem;
}
.chart-icon {
  width: 36px; height: 36px;
  background: rgba(99,102,241,.12);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent-light);
  font-size: .9rem;
  flex-shrink: 0;
}
.chart-note {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: .75rem;
  text-align: center;
}

/* ══════════════════ FUNNEL VISUAL ══════════════════ */
.funnel-visual {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.funnel-step {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.funnel-bar {
  flex: 1;
  background: linear-gradient(90deg, var(--color, var(--accent)), transparent);
  border-radius: var(--radius-sm);
  padding: .6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  min-width: 0;
}
.funnel-label {
  font-size: .78rem;
  font-weight: 500;
  color: var(--text-primary);
}
.funnel-val {
  font-size: .9rem;
  font-weight: 800;
  color: #fff;
}
.funnel-pct {
  font-size: .7rem;
  font-weight: 700;
  color: var(--text-muted);
  width: 52px;
  text-align: right;
  flex-shrink: 0;
}
.funnel-arrow {
  text-align: center;
  font-size: .68rem;
  color: var(--text-muted);
  padding: .1rem 0;
}
.funnel-arrow i { margin-right: .2rem; }

/* ══════════════════ GAUGE LABELS ══════════════════ */
.gauge-labels {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-top: .75rem;
}
.gauge-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .75rem;
  color: var(--text-secondary);
}
.gauge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ══════════════════ ACERTOS & ERROS ══════════════════ */
.qa-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.qa-col {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.qa-col-header {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: 1rem 1.25rem;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.qa-success .qa-col-header {
  background: rgba(34,197,94,.08);
  border-bottom: 1px solid rgba(34,197,94,.2);
  color: var(--green);
}
.qa-danger .qa-col-header {
  background: rgba(239,68,68,.08);
  border-bottom: 1px solid rgba(239,68,68,.2);
  color: #f87171;
}

.qa-item {
  display: flex;
  gap: .85rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--bg-border);
  transition: background var(--transition);
}
.qa-item:last-child { border-bottom: none; }
.qa-item:hover { background: var(--bg-card-hover); }

.qa-item-icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
  flex-shrink: 0;
  margin-top: .1rem;
}
.qa-success .qa-item-icon { background: rgba(34,197,94,.12); color: var(--green); }
.qa-danger .qa-item-icon  { background: rgba(239,68,68,.12); color: #f87171; }

.qa-item h4 {
  font-size: .82rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .3rem;
}
.qa-item p {
  font-size: .78rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Timing Bar */
.timing-bar {
  display: flex;
  margin-top: .5rem;
  gap: 2px;
  height: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-size: .6rem;
  font-weight: 700;
}
.timing-ideal {
  flex: 80;
  background: rgba(34,197,94,.25);
  display: flex; align-items: center; padding: 0 .4rem;
  color: var(--green);
}
.timing-real {
  flex: 150;
  background: rgba(239,68,68,.2);
  display: flex; align-items: center; padding: 0 .4rem;
  color: #f87171;
}

/* ══════════════════ PROJECTION CARDS ══════════════════ */
.proj-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}
.proj-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 1.4rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.proj-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(99,102,241,.07), transparent 70%);
  pointer-events: none;
}
.proj-card:hover { transform: translateY(-3px); border-color: rgba(99,102,241,.4); box-shadow: var(--shadow); }
.proj-card-highlight {
  border-color: rgba(99,102,241,.4);
  background: linear-gradient(135deg, rgba(99,102,241,.1), rgba(168,85,247,.05));
}
.proj-label {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.proj-value {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: .5rem;
}
.proj-card-highlight .proj-value { color: var(--accent-light); }
.proj-delta {
  font-size: .75rem;
  font-weight: 600;
  color: var(--green);
  margin-bottom: .3rem;
}
.proj-from {
  font-size: .7rem;
  color: var(--text-muted);
}

/* ══════════════════ SIMULATOR ══════════════════ */
.simulator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.sim-controls {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.sim-control-group label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: .6rem;
}
.sim-control-group label i {
  color: var(--accent-light);
  margin-right: .35rem;
}
.sim-val {
  font-size: .82rem;
  font-weight: 800;
  color: var(--accent-light);
  background: rgba(99,102,241,.12);
  padding: .15rem .5rem;
  border-radius: 99px;
}
.sim-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 5px;
  background: var(--bg-border);
  border-radius: 99px;
  outline: none;
  cursor: pointer;
  transition: background var(--transition);
}
.sim-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-glow);
  transition: transform var(--transition);
}
.sim-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }
.sim-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: .62rem;
  color: var(--text-muted);
  margin-top: .3rem;
}

.sim-results {
  background: var(--bg-card);
  border: 1px solid rgba(99,102,241,.3);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}
.sim-results::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple), var(--green));
}
.sim-result-header {
  font-size: .85rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.sim-result-header i { color: var(--accent-light); }

.sim-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.sim-res-item {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
}
.sim-roas-box {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(99,102,241,.12), rgba(168,85,247,.08));
  border-color: rgba(99,102,241,.35);
}
.sim-res-label {
  display: block;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: .3rem;
}
.sim-res-val {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}
.sim-roas-box .sim-res-val {
  font-size: 1.6rem;
  color: var(--accent-light);
}

.btn-reset {
  background: none;
  border: 1px solid var(--bg-border);
  color: var(--text-muted);
  font-family: inherit;
  font-size: .75rem;
  font-weight: 600;
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  align-self: flex-start;
  margin-top: auto;
}
.btn-reset:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: var(--accent-glow);
}

/* ══════════════════ ACTION CARDS ══════════════════ */
.action-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.action-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.action-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(99,102,241,.06), transparent 65%);
  pointer-events: none;
}
.action-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99,102,241,.4);
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
}
.action-num {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(99,102,241,.12);
  line-height: 1;
  position: absolute;
  top: 1rem; right: 1.25rem;
  font-family: 'Inter', sans-serif;
}
.action-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 1rem;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.action-card h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .65rem;
}
.action-card p {
  font-size: .8rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.action-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}
.atag {
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .2rem .55rem;
  border-radius: 99px;
}
.atag-blue   { background: rgba(59,130,246,.15); color: var(--blue); }
.atag-purple { background: rgba(168,85,247,.15); color: var(--purple); }
.atag-green  { background: rgba(34,197,94,.12);  color: var(--green); }

/* ══════════════════ FOOTER ══════════════════ */
.dash-footer {
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--bg-border);
}

/* ══════════════════ LTV HERO SECTION ══════════════════ */
.ltv-hero-section {
  background: linear-gradient(135deg, rgba(99,102,241,.07) 0%, rgba(168,85,247,.05) 50%, transparent 100%);
  border-bottom: 1px solid rgba(99,102,241,.2);
  position: relative;
  overflow: hidden;
}
.ltv-hero-section::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(99,102,241,.12), transparent 70%);
  pointer-events: none;
}
.ltv-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: linear-gradient(90deg, rgba(99,102,241,.25), rgba(168,85,247,.18));
  border: 1px solid rgba(99,102,241,.35);
  color: var(--accent-light);
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: .35rem .85rem;
  border-radius: 99px;
  margin-bottom: 1.5rem;
}
.ltv-hero-content {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.ltv-title { max-width: 560px; font-size: 1.7rem; }
.ltv-highlight {
  background: linear-gradient(90deg, var(--accent-light), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ltv-hero-total {
  background: var(--bg-card);
  border: 1px solid rgba(99,102,241,.3);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  min-width: 260px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.ltv-hero-total::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple), var(--green));
}
.ltv-hero-label {
  display: block;
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  margin-bottom: .5rem;
  line-height: 1.4;
}
.ltv-hero-label small { font-size: .65rem; opacity: .7; }
.ltv-hero-value {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  background: linear-gradient(90deg, var(--accent-light), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: .5rem;
}
.ltv-hero-sub {
  display: block;
  font-size: .72rem;
  color: var(--text-muted);
  margin-bottom: .85rem;
}
.ltv-multiplier {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.25);
  color: var(--green);
  font-size: .75rem;
  font-weight: 700;
  padding: .3rem .75rem;
  border-radius: 99px;
}

/* ── LTV Layer Cards ── */
.ltv-layers {
  display: flex;
  align-items: stretch;
  gap: .75rem;
  flex-wrap: wrap;
}
.ltv-layer-card {
  flex: 1;
  min-width: 180px;
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 1.4rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}
.ltv-layer-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.ltv-layer-num {
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
  margin-bottom: .6rem;
}
.ltv-layer-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .95rem;
  margin-bottom: .85rem;
}
.ltv-layer-card h3 {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .4rem;
}
.ltv-layer-card p {
  font-size: .74rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: .85rem;
}
.ltv-layer-value {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: .25rem;
}
.ltv-layer-meta {
  font-size: .68rem;
  color: var(--text-muted);
}
.ltv-layer-1 { border-top: 2px solid var(--accent); }
.ltv-layer-1 .ltv-layer-icon { background: rgba(99,102,241,.15); color: var(--accent-light); }
.ltv-layer-2 { border-top: 2px solid var(--purple); }
.ltv-layer-2 .ltv-layer-icon { background: rgba(168,85,247,.15); color: var(--purple); }
.ltv-layer-3 { border-top: 2px solid var(--yellow); }
.ltv-layer-3 .ltv-layer-icon { background: rgba(234,179,8,.15); color: var(--yellow); }
.ltv-layer-total {
  border-top: 2px solid var(--green);
  background: linear-gradient(135deg, rgba(34,197,94,.06), var(--bg-card));
}
.ltv-layer-total .ltv-layer-icon { background: rgba(34,197,94,.15); color: var(--green); }
.ltv-layer-total .ltv-layer-value { color: var(--green); font-size: 1.5rem; }

.ltv-layer-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-muted);
  flex-shrink: 0;
  padding: 0 .1rem;
}
.ltv-eq { color: var(--accent-light); font-size: 1.2rem; }

/* ══════════════════ B2B PIPELINE ══════════════════ */
.b2b-grid {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}
.b2b-funnel {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-top: .5rem;
}
.b2b-funnel-step {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.b2b-step-info {
  width: 190px;
  flex-shrink: 0;
}
.b2b-step-label {
  display: block;
  font-size: .74rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: .15rem;
}
.b2b-step-num {
  display: block;
  font-size: .95rem;
  font-weight: 800;
  color: var(--text-primary);
}
.b2b-step-bar {
  height: 28px;
  background: linear-gradient(90deg, var(--bcolor, var(--accent)), rgba(99,102,241,.15));
  border-radius: var(--radius-sm);
  transition: width .5s ease;
  min-width: 24px;
}
.b2b-funnel-arrow {
  font-size: .7rem;
  color: var(--text-muted);
  padding: .1rem 0 .1rem 190px;
  display: flex;
  align-items: center;
  gap: .4rem;
}

.b2b-results {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: .5rem;
}
.b2b-res-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--bg-border);
  font-size: .8rem;
  color: var(--text-secondary);
}
.b2b-res-row:last-child { border-bottom: none; }
.b2b-res-row strong { color: var(--text-primary); font-weight: 700; }
.b2b-highlight {
  background: rgba(34,197,94,.06);
  border-top: 1px solid rgba(34,197,94,.15) !important;
}
.b2b-highlight strong { color: var(--green); font-size: .95rem; }
.b2b-sim-card { display: flex; flex-direction: column; }

/* ══════════════════ RECORRÊNCIA AXTRO ══════════════════ */
.rec-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}
.rec-retention-card { display: flex; flex-direction: column; }

/* Student Bubbles */
.student-bubbles-label {
  font-size: .72rem;
  color: var(--text-muted);
  margin-bottom: .75rem;
}
.student-bubbles {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: .65rem;
}
.student-bubble {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  transition: all .4s ease;
  cursor: default;
  position: relative;
}
.student-bubble.active {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff;
  box-shadow: 0 0 12px var(--accent-glow);
}
.student-bubble.inactive {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  color: var(--text-muted);
  opacity: .5;
}
.student-bubbles-legend {
  display: flex;
  gap: 1rem;
  font-size: .7rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}
.bubble-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: .3rem;
}
.dot-active   { background: var(--accent); }
.dot-inactive { background: var(--bg-surface); border: 1px solid var(--bg-border); }

.rec-rate-display {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  margin-bottom: .5rem;
}
.rec-rate-main { display: flex; flex-direction: column; align-items: center; }
.rec-rate-pct {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-light), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.rec-rate-label {
  font-size: .65rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: .2rem;
}
.rec-rate-counts {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  font-size: .82rem;
  color: var(--text-secondary);
}
.rec-rate-counts span {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-right: .3rem;
}

/* Recorrência KPI Cards */
.rec-kpis {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.rec-kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  transition: all var(--transition);
}
.rec-kpi-card:hover { border-color: rgba(99,102,241,.35); }
.rec-kpi-highlight {
  background: linear-gradient(135deg, rgba(234,179,8,.07), var(--bg-card));
  border-color: rgba(234,179,8,.2);
}
.rec-kpi-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
  flex-shrink: 0;
}
.rec-kpi-label {
  display: block;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: .2rem;
}
.rec-kpi-value {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}
.rec-kpi-sub {
  display: block;
  font-size: .65rem;
  color: var(--text-muted);
  margin-top: .15rem;
}

/* ══════════════════ LTV CONSOLIDATED BAR ══════════════════ */
.ltv-consolidated {
  background: var(--bg-card);
  border: 1px solid rgba(99,102,241,.25);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: .5rem;
}
.ltv-con-header {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: 1rem 1.5rem;
  background: rgba(99,102,241,.08);
  border-bottom: 1px solid rgba(99,102,241,.15);
  font-size: .8rem;
  font-weight: 700;
  color: var(--accent-light);
}
.ltv-con-grid {
  display: flex;
  align-items: center;
  padding: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.ltv-con-item {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  flex: 1;
  min-width: 120px;
}
.ltv-con-total {
  background: rgba(34,197,94,.06);
  border: 1px solid rgba(34,197,94,.2);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
}
.ltv-con-label {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
}
.ltv-con-val {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text-primary);
}
.ltv-con-total .ltv-con-val { color: var(--green); font-size: 1.5rem; }
.ltv-con-pct {
  font-size: .72rem;
  color: var(--text-muted);
}
.ltv-con-sep {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ══════════════════ MOTOR CENTRAL ══════════════════ */
.sim-motor-section {
  background: linear-gradient(160deg, rgba(99,102,241,.06) 0%, rgba(168,85,247,.04) 40%, transparent 70%);
  border-bottom: 1px solid rgba(99,102,241,.2);
  position: relative;
}
.sim-motor-section::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(99,102,241,.1), transparent 65%);
  pointer-events: none;
}
.sim-motor-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent-light);
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.25);
  padding: .25rem .65rem;
  border-radius: 99px;
  margin-bottom: .6rem;
}
.sim-cascade-legend {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: .5rem;
}
.scl-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  font-weight: 700;
  padding: .3rem .75rem;
  border-radius: 99px;
}
.scl-launch { background: rgba(99,102,241,.15); color: var(--accent-light); border: 1px solid rgba(99,102,241,.25); }
.scl-b2b    { background: rgba(168,85,247,.12); color: var(--purple);       border: 1px solid rgba(168,85,247,.25); }
.scl-axtro  { background: rgba(234,179,8,.1);   color: var(--yellow);       border: 1px solid rgba(234,179,8,.25); }
.scl-ltv    { background: rgba(34,197,94,.1);   color: var(--green);        border: 1px solid rgba(34,197,94,.25); }
.scl-arrow  { color: var(--text-muted); font-size: .75rem; }

.sim-motor-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.sim-motor-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.sim-motor-controls {
  gap: 1.2rem;
}
.sim-block-label {
  font-size: .72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent-light);
  display: flex;
  align-items: center;
  gap: .4rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--bg-border);
  margin-bottom: .25rem;
}
.sim-motor-results {
  display: flex;
  flex-direction: column;
}

/* ── Cascade connector ── */
.cascade-connector {
  position: relative;
  margin-bottom: 1.75rem;
}
.cascade-nodes {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--bg-card);
  border: 1px solid rgba(99,102,241,.25);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cascade-nodes::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--purple), var(--yellow), var(--green));
}
.cascade-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  padding: .5rem 1.25rem;
  border-radius: var(--radius-sm);
  flex: 1;
  min-width: 110px;
  text-align: center;
}
.cascade-node i {
  font-size: .85rem;
  margin-bottom: .1rem;
}
.cascade-node span {
  font-size: .92rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}
.cascade-node small {
  font-size: .62rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.cn-launch { background: rgba(99,102,241,.12); }
.cn-launch i { color: var(--accent-light); }
.cn-b2b    { background: rgba(168,85,247,.1); }
.cn-b2b i  { color: var(--purple); }
.cn-axtro  { background: rgba(234,179,8,.08); }
.cn-axtro i{ color: var(--yellow); }
.cn-ltv    { background: rgba(34,197,94,.1); }
.cn-ltv i  { color: var(--green); }
.cascade-arrow-right {
  font-size: .9rem;
  color: var(--text-muted);
  flex-shrink: 0;
  animation: pulseArrow 2s ease-in-out infinite;
}
@keyframes pulseArrow {
  0%,100% { opacity: .4; transform: translateX(0); }
  50%      { opacity: 1;  transform: translateX(3px); }
}

/* ── Cascade panels (B2B + Axtro + LTV) ── */
.cascade-panels {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.25rem;
}
.cascade-panel {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .85rem;
  transition: border-color var(--transition);
}
.cp-b2b   { border-top: 2px solid var(--purple); }
.cp-axtro { border-top: 2px solid var(--yellow); }
.cp-ltv   { border-top: 2px solid var(--green);  background: linear-gradient(160deg,rgba(34,197,94,.04),var(--bg-card)); }

.cp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: .5rem;
}
.cp-header-left h3 {
  font-size: .92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: .3rem 0 .3rem;
}
.cp-header-left p {
  font-size: .73rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.cp-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: .2rem .55rem;
  border-radius: 99px;
}
.badge-b2b   { background: rgba(168,85,247,.15); color: var(--purple); }
.badge-axtro { background: rgba(234,179,8,.12);  color: var(--yellow); }
.badge-ltv   { background: rgba(34,197,94,.12);  color: var(--green); }

.cp-auto-tag {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .6rem;
  font-weight: 700;
  color: var(--accent-light);
  background: rgba(99,102,241,.12);
  border: 1px solid rgba(99,102,241,.2);
  padding: .2rem .5rem;
  border-radius: 99px;
  flex-shrink: 0;
  animation: glow 2.5s ease-in-out infinite;
}
@keyframes glow {
  0%,100% { box-shadow: none; }
  50%      { box-shadow: 0 0 8px rgba(99,102,241,.4); }
}

.cp-input-display {
  display: flex;
  gap: .5rem;
}
.cp-input-item {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  padding: .6rem .85rem;
}
.cp-input-label {
  display: block;
  font-size: .6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .2rem;
}
.cp-input-val {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--accent-light);
}

.cp-sliders {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cp-output {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.cp-out-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .55rem .9rem;
  border-bottom: 1px solid var(--bg-border);
  font-size: .78rem;
  color: var(--text-secondary);
}
.cp-out-row:last-child { border-bottom: none; }
.cp-out-row strong { color: var(--text-primary); font-weight: 800; }
.cp-out-highlight { background: rgba(34,197,94,.05); }
.cp-out-highlight strong { color: var(--green); }

/* LTV Breakdown */
.ltv-total-breakdown {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.ltv-bd-row {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .6rem .8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--bg-border);
}
.ltv-bd-c1  { background: rgba(99,102,241,.06); border-color: rgba(99,102,241,.15); }
.ltv-bd-c2a { background: rgba(168,85,247,.06); border-color: rgba(168,85,247,.15); }
.ltv-bd-c2b { background: rgba(234,179,8,.05);  border-color: rgba(234,179,8,.15); }
.ltv-bd-icon {
  width: 28px; height: 28px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem;
  flex-shrink: 0;
}
.ltv-bd-c1  .ltv-bd-icon { background: rgba(99,102,241,.15); color: var(--accent-light); }
.ltv-bd-c2a .ltv-bd-icon { background: rgba(168,85,247,.15); color: var(--purple); }
.ltv-bd-c2b .ltv-bd-icon { background: rgba(234,179,8,.15);  color: var(--yellow); }
.ltv-bd-info { flex: 1; }
.ltv-bd-label {
  display: block;
  font-size: .62rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.ltv-bd-val {
  display: block;
  font-size: .95rem;
  font-weight: 800;
  color: var(--text-primary);
}
.ltv-bd-pct {
  font-size: .68rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-surface);
  padding: .15rem .45rem;
  border-radius: 99px;
  flex-shrink: 0;
}
.ltv-bd-plus {
  text-align: center;
  font-size: .85rem;
  font-weight: 900;
  color: var(--text-muted);
  padding: 0 .5rem;
}
.ltv-bd-sep {
  height: 1px;
  background: rgba(34,197,94,.3);
  margin: .2rem 0;
}
.ltv-bd-total {
  background: linear-gradient(135deg, rgba(34,197,94,.1), rgba(34,197,94,.04));
  border: 1px solid rgba(34,197,94,.25);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.ltv-bd-total-label {
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.ltv-bd-total-val {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
}
.ltv-bd-roas {
  font-size: .75rem;
  font-weight: 700;
  color: var(--green);
  opacity: .8;
}
.ltv-per-student-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-sm);
  padding: .65rem 1rem;
  font-size: .78rem;
  color: var(--text-secondary);
  margin-top: auto;
}
.ltv-per-student-box strong {
  color: var(--yellow);
  font-size: .95rem;
  font-weight: 800;
}

/* ══════════════════ RESPONSIVE ══════════════════ */
@media (max-width: 1200px) {
  .cascade-panels { grid-template-columns: 1fr 1fr; }
  .cp-ltv { grid-column: 1 / -1; }
}
@media (max-width: 1100px) {
  .action-cards { grid-template-columns: 1fr 1fr; }
  .simulator-grid { grid-template-columns: 1fr; }
  .sim-motor-row { grid-template-columns: 1fr; }
  .rec-grid { grid-template-columns: 1fr 1fr; }
  .ltv-layers { flex-wrap: wrap; }
  .ltv-layer-arrow { display: none; }
  .ltv-layer-card { min-width: calc(50% - .75rem); }
}
@media (max-width: 960px) {
  .rec-grid { grid-template-columns: 1fr; }
  .rec-kpis { flex-direction: row; flex-wrap: wrap; }
  .rec-kpi-card { flex: 1; min-width: 180px; }
  .cascade-panels { grid-template-columns: 1fr; }
  .cp-ltv { grid-column: auto; }
  .cascade-nodes { gap: .25rem; }
  .cascade-node { min-width: 80px; padding: .4rem .65rem; }
}
@media (max-width: 900px) {
  :root { --sidebar-w: 0px; }
  .sidebar {
    transform: translateX(-260px);
    width: 260px;
  }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: flex; align-items: center; justify-content: center; }
  .main-content { margin-left: 0; }
  .qa-grid { grid-template-columns: 1fr; }
  .topbar-right { display: none; }
  .action-cards { grid-template-columns: 1fr; }
  .charts-row { flex-direction: column; }
  .chart-half, .chart-quarter { min-width: 0; flex: auto; }
  .section { padding: 1.75rem 1rem; }
}
@media (max-width: 600px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .proj-cards { grid-template-columns: 1fr 1fr; }
  .topbar { padding: 0 1rem; }
  .page-title { font-size: .82rem; }
  .page-sub { display: none; }
}
@media (max-width: 420px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .proj-cards { grid-template-columns: 1fr; }
  .sim-result-grid { grid-template-columns: 1fr; }
}