:root {
  --bg: #f8fafc;          /* light slate-50 */
  --card: #ffffff;        /* white cards */
  --text: #0f172a;        /* slate-900 */
  --muted: #64748b;       /* slate-500 */
  --accent: #38bdf8;      /* sky-400 */
  --accent-strong: #0ea5e9; /* sky-500 */
  --bar: #ffffff;
  --bar-height: 56px;
  --footer-height: 40px;
}

* {
  box-sizing: border-box;
}

html, body, #app {
  height: 100%;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
}

.topbar {
  height: var(--bar-height);
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  align-items: center;
  padding: 0 16px;
  background: #ffffff;
  color: #111827;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.logo { font-size: 18px; }
.name { font-size: 14px; color: var(--muted); }

.brand-logo {
  height: 22px;
  width: auto;
  display: block;
}

.progress {
  height: 4px;
  background: rgba(0,0,0,0.08);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.counter {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 13px;
}

.deck {
  position: relative;
  height: calc(100vh - var(--bar-height) - var(--footer-height));
  overflow: hidden;
}

.slides {
  height: 100%;
  display: flex;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.slide {
  min-width: 100vw;
  height: 100%;
  padding: 48px clamp(32px, 6vw, 96px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  background: var(--card);
  border-right: 1px solid rgba(0,0,0,0.06);
}

.slide h1 {
  font-size: clamp(28px, 5vw, 54px);
  margin: 0 0 8px 0;
}

.slide h2 {
  font-size: clamp(22px, 3.6vw, 36px);
  margin: 0 0 12px 0;
}

.slide .subtitle {
  color: var(--muted);
}

.slide ul {
  margin: 0;
  padding-left: 20px;
}

.slide li {
  margin: 8px 0;
  line-height: 1.6;
}

.slide.cover {
  background:
    radial-gradient(1200px 600px at 20% -20%, rgba(56, 189, 248, 0.35), transparent),
    radial-gradient(900px 600px at 110% 0%, rgba(125, 211, 252, 0.25), transparent),
    linear-gradient(180deg, #eef2ff 0%, #ffffff 100%);
  text-align: left;
}

.hero-image {
  margin-top: 16px;
  max-width: 420px;
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  align-self: flex-end;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 10px;
  overflow: hidden;
}

.table thead th {
  text-align: left;
  font-weight: 600;
  color: var(--text);
  background: rgba(0,0,0,0.04);
}

.table th, .table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.table tbody tr:nth-child(odd) td { background: rgba(0,0,0,0.02); }

.table .total td {
  background: rgba(251, 133, 0, 0.12);
  font-weight: 700;
}

/* KPI cards */
.kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.kpi {
  background: rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  padding: 16px;
}

.kpi .kpi-label {
  color: var(--muted);
  font-size: 13px;
}

.kpi .kpi-value {
  font-weight: 700;
  font-size: clamp(18px, 3vw, 28px);
}

.kpi.emphasis {
  background: linear-gradient(180deg, rgba(251,133,0,0.18), rgba(255,255,255,0.04));
  border-color: rgba(251,133,0,0.4);
}

.kpi.emphasis.jumbo .kpi-value {
  font-size: clamp(24px, 4.2vw, 40px);
}

/* Charts */
.charts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.chart {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 12px;
  padding: 12px;
}

.chart canvas { width: 100%; height: 220px; display: block; }
.chart-title { margin-top: 8px; color: var(--muted); font-size: 12px; }

.legend { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 12px; margin-top: 8px; }
.legend-item { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 12px; }
.legend-item .dot { width: 10px; height: 10px; border-radius: 999px; display: inline-block; }

/* Layout helpers */
.cols-2 {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 20px;
}

.table.compact th, .table.compact td { padding: 8px 10px; }

/* Responsive rules */
@media (max-width: 1024px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .charts { grid-template-columns: 1fr; }
  .cols-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav { width: 40px; height: 40px; font-size: 22px; }
  .chart canvas { height: 190px; }
  .legend { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .kpis { grid-template-columns: 1fr; }
  .table { display: block; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
}

.nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.12);
  color: var(--text);
  font-size: 24px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  user-select: none;
}

.nav:hover { background: rgba(0,0,0,0.1); }
.nav:active { transform: translateY(-50%) scale(0.98); }
.nav.prev { left: 12px; }
.nav.next { right: 12px; }

.bottombar {
  height: var(--footer-height);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 12px;
  background: var(--bar);
  border-top: 1px solid rgba(0,0,0,0.06);
}

@media (max-width: 640px) {
  .slide {
    padding: 32px 20px;
  }
}

@media print {
  :root {
    --bar-height: 0px;
    --footer-height: 0px;
  }
  body { background: white; color: black; }
  .topbar, .bottombar, .nav { display: none; }
  .deck { height: auto; overflow: visible; }
  .slides { flex-direction: column; transform: none !important; }
  .slide { min-width: auto; page-break-after: always; border: none; }
}