:root {
  --bg: #0f172a;
  --bg-elev: #1e293b;
  --fg: #f1f5f9;
  --muted: #94a3b8;
  --ok: #10b981;
  --warn: #f59e0b;
  --start: #2563eb;
  --tumbado: #10b981;
  --ladrando: #f59e0b;
  --finalizar: #ef4444;
  --radius: 18px;
  --gap: 14px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; margin: 0; }
body {
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  overscroll-behavior: none;
  user-select: none;
  -webkit-user-select: none;
}

#app {
  max-width: 520px;
  margin: 0 auto;
  min-height: 100dvh;
  padding: 14px 14px 20px;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-elev);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 0 rgba(16,185,129,0);
}

.status.active .dot {
  background: var(--ok);
  animation: pulse 1.6s ease-out infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(16,185,129,0.6); }
  70%  { box-shadow: 0 0 0 12px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}

.lang {
  border: 1px solid rgba(255,255,255,0.15);
  background: transparent;
  color: var(--fg);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
}
.lang:active { background: rgba(255,255,255,0.08); }

.meta {
  color: var(--muted);
  font-size: 13px;
  min-height: 18px;
  padding: 0 4px;
}

.grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: 1fr;
  gap: var(--gap);
  min-height: 60dvh;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: var(--radius);
  color: white;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.2px;
  padding: 18px;
  line-height: 1.15;
  text-align: center;
  transition: transform 60ms ease, filter 120ms ease;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  min-height: 120px;
}
.btn:active { transform: scale(0.97); filter: brightness(1.1); }
.btn:disabled { opacity: 0.35; filter: grayscale(0.4); box-shadow: none; }

.btn-start     { background: linear-gradient(145deg, #3b82f6, #1d4ed8); }
.btn-tumbado   { background: linear-gradient(145deg, #34d399, #059669); }
.btn-ladrando  { background: linear-gradient(145deg, #fbbf24, #d97706); color: #1f2937; }
.btn-finalizar { background: linear-gradient(145deg, #f87171, #dc2626); }

.mini {
  display: flex;
  gap: var(--gap);
}
.mini-btn {
  flex: 1;
  appearance: none;
  border: 1px solid rgba(255,255,255,0.12);
  background: var(--bg-elev);
  color: var(--fg);
  border-radius: 12px;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.mini-btn:active { background: rgba(255,255,255,0.06); }

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
  padding: 0;
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--bg-elev);
  width: 100%;
  max-width: 520px;
  max-height: 90dvh;
  border-radius: 18px 18px 0 0;
  display: flex;
  flex-direction: column;
  padding-bottom: env(safe-area-inset-bottom);
  animation: slideUp 180ms ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0 } to { transform: translateY(0); opacity: 1 } }
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-close {
  background: transparent;
  color: var(--fg);
  border: 0;
  font-size: 28px;
  line-height: 1;
  padding: 4px 10px;
  border-radius: 8px;
}
.modal-close:active { background: rgba(255,255,255,0.08); }
.modal-body {
  padding: 14px 16px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.5;
}
.report-meta { color: var(--muted); margin-bottom: 12px; }
.report-counts {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.chip {
  background: rgba(255,255,255,0.06);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 13px;
}
.report-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-variant-numeric: tabular-nums;
}
.report-list li {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.report-list .ts { color: var(--muted); font-size: 12px; }

.dash-totals {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}
.dash-card {
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}
.dash-card .num { font-size: 20px; font-weight: 700; }
.dash-card .lbl { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }

.dash-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-variant-numeric: tabular-nums;
}
.dash-row .day { color: var(--muted); font-size: 12px; }
.bars { display: flex; gap: 4px; align-items: center; }
.bars .bar {
  height: 14px;
  border-radius: 3px;
  min-width: 2px;
}
.bar.t { background: var(--tumbado); }
.bar.l { background: var(--ladrando); }
.bars .meta { color: var(--muted); font-size: 12px; margin-left: 4px; }

.empty { color: var(--muted); text-align: center; padding: 24px 0; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translate(-50%, 40px);
  background: #111827;
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  opacity: 0;
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  max-width: 90%;
  text-align: center;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err  { background: #7f1d1d; }