:root {
  --bg: #0f1c22;
  --panel: rgba(11, 24, 33, 0.9);
  --line: rgba(157, 203, 210, 0.35);
  --text: #e8f7ff;
  --muted: #9cc4d0;
  --accent: #46ddb6;
  --danger: #ffa07a;
}

* {
  box-sizing: border-box;
}

html,
body,
#app {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: radial-gradient(circle at 10% 10%, #1f3f4c 0%, var(--bg) 45%, #080f13 100%);
  color: var(--text);
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
}

#scene {
  display: block;
  width: 100%;
  height: 100%;
}

.panel {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(520px, calc(100% - 2rem));
  background: linear-gradient(165deg, rgba(16, 35, 48, 0.95), var(--panel));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  z-index: 20;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  display: none;
}

.panel.active {
  display: block;
}

#pauseMenu {
  inset: auto auto 0.9rem 0.9rem;
  transform: none;
  width: min(420px, calc(100% - 1.8rem));
  max-height: calc(100% - 1.8rem);
  overflow: auto;
  background: linear-gradient(165deg, rgba(16, 35, 48, 0.76), rgba(11, 24, 33, 0.72));
  backdrop-filter: blur(3px);
}

.panel h1,
.panel h2 {
  margin: 0 0 0.5rem;
  font-family: "Palatino", "Book Antiqua", serif;
  letter-spacing: 0.02em;
}

.panel p,
.panel li,
.panel label {
  color: var(--muted);
}

.panel ul {
  margin: 0.5rem 0 1rem;
  padding-left: 1.25rem;
}

.panel input,
.panel select,
.panel button {
  width: 100%;
}

.panel input,
.panel select {
  margin-top: 0.35rem;
  margin-bottom: 0.75rem;
}

.actions {
  display: grid;
  gap: 0.5rem;
}

button {
  appearance: none;
  border: 1px solid rgba(70, 221, 182, 0.35);
  border-radius: 10px;
  padding: 0.65rem 0.8rem;
  background: linear-gradient(180deg, rgba(65, 132, 126, 0.55), rgba(35, 80, 79, 0.65));
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.1);
}

#hud {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  z-index: 10;
  display: grid;
  gap: 0.4rem;
}

#counter,
#help {
  background: rgba(6, 17, 24, 0.62);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.65rem;
  font-size: 0.92rem;
}

#compass {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  z-index: 11;
  display: grid;
  justify-items: center;
  gap: 0.2rem;
  background: rgba(6, 17, 24, 0.62);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.35rem 0.55rem 0.4rem;
}

#compassTime {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

#compassRose {
  position: relative;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(157, 203, 210, 0.45);
  border-radius: 999px;
}

.cardinal {
  position: absolute;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
}

.cardinal.north {
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
}

.cardinal.east {
  top: 50%;
  right: 5px;
  transform: translateY(-50%);
}

.cardinal.south {
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
}

.cardinal.west {
  top: 50%;
  left: 5px;
  transform: translateY(-50%);
}

#compassNeedle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 26px;
  background: linear-gradient(180deg, var(--danger), var(--accent));
  transform-origin: 50% calc(100% - 2px);
  transform: translate(-50%, -100%) rotate(180deg);
  border-radius: 999px;
}

#compassValue {
  color: var(--text);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  min-width: 4.5rem;
  text-align: center;
}

.pauseTimeControls {
  margin: 0.25rem 0 0.75rem;
  border-top: 1px solid rgba(157, 203, 210, 0.25);
  padding-top: 0.75rem;
}

.timeDockHead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

#timeLabel {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.02em;
}

#timeSlider {
  width: 100%;
  margin: 0.1rem 0 0.45rem;
}

.timeDockToggle {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 0.45rem;
}

.timeDockToggle input {
  margin: 0;
}

.axisRow {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.5rem;
}

#latitudeValue {
  min-width: 3.75rem;
  text-align: right;
  color: var(--accent);
  font-weight: 700;
}

#syncNowBtn {
  width: 100%;
}

#prompt,
#toast {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  background: rgba(6, 17, 24, 0.82);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
}

#prompt {
  bottom: 1.2rem;
}

#toast {
  top: 4.2rem;
  transition: opacity 200ms ease;
}

.hidden {
  display: none;
}

body.in-game #hud,
body.in-game #prompt,
body.in-game #toast {
  display: none !important;
}

kbd {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  padding: 0.1rem 0.32rem;
  font-size: 0.82em;
}

@media (max-width: 780px) {
  #help {
    display: none;
  }

  .panel {
    padding: 0.8rem 1rem;
  }
}