:root {
  --bg1: #0b1220;
  --bg2: #121a2e;
  --card: rgba(255, 255, 255, 0.06);
  --stroke: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  min-height: 100%;
  height: calc(var(--vh, 1vh) * 100);
  background: radial-gradient(1200px 800px at 30% 20%, #1a2a4b 0%, var(--bg1) 55%, #070b14 100%);
  overflow: hidden;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
}

#game {
  display: block;
  width: 100vw;
  height: calc(var(--vh, 1vh) * 100);
  touch-action: none;
}

#ui {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.topbar {
  position: absolute;
  top: calc(12px + env(safe-area-inset-top));
  left: calc(12px + env(safe-area-inset-left));
  right: calc(12px + env(safe-area-inset-right));
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.topbar .group {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--stroke);
  backdrop-filter: blur(10px);
  font-weight: 600;
  font-size: 13px;
}

.pill.active {
  background: rgba(87, 152, 255, 0.2);
  border-color: rgba(120, 200, 255, 0.55);
  box-shadow: 0 0 16px rgba(120, 200, 255, 0.25);
}

.btn {
  pointer-events: auto;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  transition: transform .08s ease, background .15s ease;
}

.btn:active { transform: scale(0.98); }
.btn:hover { background: rgba(255,255,255,0.1); }

.btn.primary {
  background: rgba(87, 152, 255, 0.25);
  border-color: rgba(87, 152, 255, 0.45);
}

.select {
  pointer-events: auto;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 13px;
  outline: none;
}

.select:focus {
  border-color: rgba(87, 152, 255, 0.55);
  box-shadow: 0 0 0 2px rgba(87, 152, 255, 0.2);
}

.range-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.range {
  width: 100%;
  accent-color: rgba(120, 200, 255, 0.9);
}

.range-value {
  min-width: 42px;
  text-align: right;
  font-weight: 700;
  font-size: 12px;
  color: rgba(255,255,255,0.8);
}

.input {
  pointer-events: auto;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 13px;
  outline: none;
  width: 100%;
}

.input:focus {
  border-color: rgba(87, 152, 255, 0.55);
  box-shadow: 0 0 0 2px rgba(87, 152, 255, 0.2);
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(6px);
  pointer-events: auto;
  padding: calc(12px + env(safe-area-inset-top)) calc(12px + env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) calc(12px + env(safe-area-inset-left));
}

.mission-overlay {
  background: rgba(6, 10, 18, 0.55);
}

.card {
  width: min(520px, calc(100vw - 24px - env(safe-area-inset-left) - env(safe-area-inset-right)));
  padding: 18px 18px 16px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--stroke);
  box-shadow: 0 18px 60px rgba(0,0,0,0.35);
  max-height: calc(var(--vh, 1vh) * 100 - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.mission-card {
  position: relative;
  text-align: center;
  overflow: hidden;
  border-color: rgba(255,255,255,0.2);
  background:
    radial-gradient(120px 120px at 12% 18%, rgba(130, 200, 255, 0.35), transparent 60%),
    radial-gradient(140px 140px at 88% 12%, rgba(255, 190, 140, 0.32), transparent 60%),
    radial-gradient(160px 160px at 50% 88%, rgba(170, 140, 255, 0.28), transparent 65%),
    var(--card);
  box-shadow: 0 24px 70px rgba(0,0,0,0.45);
}

.mission-card::before {
  content: "";
  position: absolute;
  inset: -30% -20% auto -20%;
  height: 140%;
  background:
    radial-gradient(8px 8px at 12% 30%, rgba(255,255,255,0.35), transparent 60%),
    radial-gradient(6px 6px at 28% 18%, rgba(255,220,180,0.45), transparent 60%),
    radial-gradient(10px 10px at 68% 22%, rgba(180,220,255,0.5), transparent 60%),
    radial-gradient(7px 7px at 80% 40%, rgba(220,180,255,0.45), transparent 60%),
    radial-gradient(9px 9px at 40% 48%, rgba(180,255,210,0.4), transparent 60%);
  opacity: 0.7;
  pointer-events: none;
}

.mission-next {
  margin: 12px 0 14px;
}

.mission-hint {
  margin-top: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

.card h1 {
  margin: 4px 0 8px;
  font-size: 28px;
}

.card p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.35;
}

.section {
  margin: 10px 0 12px;
}

.label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 6px;
}

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

.row {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.skins {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.skin-btn {
  padding: 6px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  min-width: 96px;
}

.skin-btn.active {
  background: rgba(87, 152, 255, 0.25);
  border-color: rgba(87, 152, 255, 0.45);
}

.skin-preview {
  width: 80px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0,0,0,0.22);
  border: 1px solid var(--stroke);
}


.records {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.online-records {
  margin-top: 6px;
}

.online-tabs {
  margin-top: 6px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
}

.tab-btn.active {
  background: rgba(87, 152, 255, 0.3);
  border-color: rgba(87, 152, 255, 0.6);
}

.records .record-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 12px;
  background: rgba(0,0,0,0.22);
  border: 1px solid var(--stroke);
  color: var(--text);
}

.records .record-rank {
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
}

.records .record-score {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.records .record-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  min-width: 0;
}

.records .record-name,
.records .record-date {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.records .record-name {
  font-size: 13px;
  font-weight: 600;
}

.records .record-date {
  font-size: 12px;
  color: var(--muted);
}

.records .record-empty {
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(0,0,0,0.2);
  border: 1px dashed rgba(255,255,255,0.12);
  color: var(--muted);
  font-size: 14px;
}

.hint {
  margin-top: 12px;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}

@media (max-width: 720px) {
  .topbar {
    gap: 8px;
  }

  .topbar .group {
    gap: 6px;
  }

  .pill {
    padding: 6px 10px;
    font-size: 12px;
  }

  .btn {
    padding: 10px 12px;
    min-height: 40px;
  }

  .card {
    width: min(520px, calc(100vw - 18px - env(safe-area-inset-left) - env(safe-area-inset-right)));
    padding: 16px 14px 14px;
  }

  .card h1 {
    font-size: 24px;
  }

  .card p {
    font-size: 13px;
  }

  .row {
    flex-wrap: wrap;
  }

  .label {
    font-size: 11px;
    letter-spacing: 0.06em;
  }

  .input,
  .select {
    font-size: 16px;
    min-height: 40px;
  }

  .skins {
    gap: 6px;
  }

  .skin-btn {
    min-width: 86px;
    padding: 5px;
  }

  .skin-preview {
    width: 72px;
    height: 36px;
  }

  .records .record-item {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .records .record-meta {
    grid-column: 2;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar .group {
    justify-content: center;
  }

  .topbar .group:last-child {
    align-self: flex-end;
  }
}

@media (max-height: 620px) {
  .card {
    padding: 14px 12px 12px;
  }

  .section {
    margin: 8px 0 10px;
  }

  .hint {
    margin-top: 8px;
  }
}