:root {
  --bg: #061018;
  --ink: #e8f4ff;
  --muted: #8aa0b8;
  --cyan: #3cf0ff;
  --glass: rgba(8, 18, 28, 0.72);
  --line: rgba(60, 240, 255, 0.22);
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

#game {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.ov {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  background: radial-gradient(ellipse at 50% 20%, rgba(60, 240, 255, 0.08), transparent 55%),
    rgba(2, 8, 14, 0.55);
  z-index: 20;
  overflow: auto;
}
.ov.hidden { display: none !important; }
.ov.show { display: flex; }

.pnl {
  width: min(420px, 100%);
  padding: 22px 22px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(12px);
  text-align: center;
}
.pnl.wide { width: min(720px, 100%); text-align: left; }
.glass { box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35); }

.eyebrow {
  margin: 0 0 6px;
  letter-spacing: 0.18em;
  font-size: 11px;
  color: var(--cyan);
  text-transform: uppercase;
}
.logo {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 2.4rem);
  letter-spacing: 0.04em;
  font-weight: 800;
}
.zh { margin: 4px 0 10px; color: var(--cyan); font-size: 1.05rem; }
.tag, .sub { color: var(--muted); font-size: 0.92rem; line-height: 1.45; }
.score-line { font-size: 1.1rem; margin: 10px 0; }
.score-line strong { color: var(--cyan); font-size: 1.6rem; }

.row {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 10px;
}

.b-pri, .b-sec, .icon-btn {
  border: 0;
  cursor: pointer;
  font: inherit;
  border-radius: 12px;
  padding: 12px 18px;
}
.b-pri {
  background: linear-gradient(135deg, #3cf0ff, #5b8cff);
  color: #041018;
  font-weight: 700;
  width: 100%;
  margin-top: 8px;
}
.b-sec {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  border: 1px solid var(--line);
  flex: 1;
  min-width: 120px;
}
.b-pri:active, .b-sec:active { transform: scale(0.98); }
.icon-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  font-size: 1.4rem;
  line-height: 1;
  border: 1px solid var(--line);
}

.hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 10px;
  padding-top: max(10px, env(safe-area-inset-top));
  pointer-events: none;
}
.hud.hidden { display: none !important; }
.hud-l, .hud-r {
  pointer-events: auto;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(10px);
}
.hud-l strong, .hud-r strong { display: block; }
.hud-c {
  pointer-events: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  max-width: 46vw;
}
.faction-pill {
  pointer-events: none;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--fc) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--fc) 55%, transparent);
  color: var(--ink);
}
.sep { opacity: 0.35; margin: 0 6px; }

.touch-hint {
  position: fixed;
  left: 50%;
  bottom: max(14px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 9;
  margin: 0;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  pointer-events: none;
  white-space: nowrap;
  max-width: 92vw;
  overflow: hidden;
  text-overflow: ellipsis;
}
.touch-hint.hidden { display: none !important; }

.map-head {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.map-head h2 { margin: 0; }
.planet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  max-height: min(60vh, 520px);
  overflow: auto;
}
.planet-card {
  text-align: left;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  cursor: pointer;
  font: inherit;
}
.planet-card:hover:not(:disabled) {
  border-color: var(--cyan);
  background: rgba(60, 240, 255, 0.08);
}
.planet-card.locked, .planet-card:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pc-idx {
  display: block;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.12em;
}
.pc-meta, .pc-blurb {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}
.planet-card strong { display: block; margin-top: 2px; }

.help-list {
  text-align: left;
  color: var(--muted);
  line-height: 1.55;
  padding-left: 1.1rem;
}
.help-list strong { color: var(--cyan); }

.submit-box {
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.submit-box.hidden { display: none !important; }
#player-name {
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  color: var(--ink);
  padding: 10px 12px;
  font: inherit;
}

@media (max-width: 640px) {
  .hud { flex-wrap: wrap; }
  .hud-c { max-width: 100%; order: 3; width: 100%; justify-content: flex-start; }
  .touch-hint { font-size: 11px; }
}