:root {
  --bg: #05070f;
  --panel: rgba(13, 18, 33, 0.82);
  --panel-border: rgba(120, 160, 255, 0.18);
  --text: #e8eef9;
  --muted: #93a1bf;
  --accent: #5b9dff;
  --accent2: #ffd479;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

#scene {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  cursor: grab;
}
#scene:active { cursor: grabbing; }

#loading {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  letter-spacing: 0.5px;
  color: var(--muted);
  background: radial-gradient(circle at 50% 40%, #0b1226, #05070f 70%);
  z-index: 50;
  transition: opacity 0.6s ease;
}
#loading.hidden { opacity: 0; pointer-events: none; }

/* ---------- Painel ---------- */
#panel {
  position: fixed;
  top: 16px;
  left: 16px;
  width: 320px;
  max-width: calc(100vw - 32px);
  padding: 18px 18px 14px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
  z-index: 20;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
#panel.collapsed {
  transform: translateX(-115%);
  opacity: 0;
  pointer-events: none;
}

#panel header h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 650;
}
#panel header .sub {
  margin: 2px 0 14px;
  font-size: 12.5px;
  color: var(--muted);
}

.row { margin-bottom: 14px; }
.row label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }

.time-display {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 10px;
  margin-bottom: 14px;
}
#clock { font-size: 22px; font-variant-numeric: tabular-nums; font-weight: 600; letter-spacing: 1px; }
.muted { color: var(--muted); font-size: 13px; }

.buttons { display: flex; gap: 8px; }
button {
  flex: 1;
  padding: 9px 10px;
  font-size: 13px;
  color: var(--text);
  background: rgba(91, 157, 255, 0.14);
  border: 1px solid rgba(91, 157, 255, 0.3);
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}
button:hover { background: rgba(91, 157, 255, 0.26); }
button:active { transform: scale(0.97); }

input[type="range"] { width: 100%; accent-color: var(--accent); }
input[type="datetime-local"] {
  width: 100%;
  padding: 8px 10px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  font-size: 13px;
  color-scheme: dark;
}

.ticks {
  display: flex;
  justify-content: space-between;
  font-size: 9.5px;
  color: var(--muted);
  margin-top: 3px;
}

.toggles { display: flex; flex-wrap: wrap; gap: 12px; }
.toggles label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  font-size: 12.5px;
  color: var(--text);
  cursor: pointer;
}
.toggles input { accent-color: var(--accent); }

.readout {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--panel-border);
  font-size: 12.5px;
}
.readout > div {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
}
.readout .k { color: var(--muted); }
.readout .v { font-weight: 600; color: var(--accent2); font-variant-numeric: tabular-nums; }

.hint {
  margin: 12px 0 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--muted);
}

#panelToggle {
  position: fixed;
  top: 16px;
  left: 16px;
  width: 42px;
  height: 42px;
  flex: none;
  font-size: 18px;
  z-index: 21;
  display: none;
}
#panel.collapsed ~ #panelToggle { display: block; }

@media (max-width: 560px) {
  #panel { width: calc(100vw - 24px); top: 12px; left: 12px; }
}