:root {
  --bg0: #07080d;
  --bg1: #0d1020;
  --card: rgba(255, 255, 255, 0.06);
  --stroke: rgba(255, 255, 255, 0.12);
  --text: #e9e9ee;
  --muted: rgba(255, 255, 255, 0.65);
  --accent: #34d399;
  --warn: #fb7185;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.55);
}

.topbar {
  display: none;
}

.hud {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-bottom: 12px;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 100;
  pointer-events: none;
}
.pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
}
.pill .k {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.8px;
}
.pill span:last-child {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: 1px;
}

.btn {
  appearance: none;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 14px;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    background 0.12s ease,
    border-color 0.12s ease;
  user-select: none;
}
.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}
.btn:active {
  transform: translateY(0px) scale(0.98);
}
.btn.primary {
  border-color: rgba(52, 211, 153, 0.35);
  background: rgba(52, 211, 153, 0.12);
}
.btn.primary:hover {
  background: rgba(52, 211, 153, 0.18);
}
.btn.ghost {
  background: transparent;
}

.stage {
  margin-top: 12px;
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--stroke);
  background:
    radial-gradient(
      900px 420px at 50% -20%,
      rgba(255, 255, 255, 0.1),
      transparent 55%
    ),
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.03),
      rgba(255, 255, 255, 0.01)
    );
  box-shadow: var(--shadow);
}

canvas {
  width: 100%;
  height: auto;
  display: block;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(6px);
}

.card {
  width: min(520px, 96%);
  border: 1px solid var(--stroke);
  background: rgba(10, 12, 20, 0.72);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: 0.4px;
}
.card p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.4;
}
.card .row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.how {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  text-align: left;
}
.how ul {
  margin: 0;
  padding-left: 18px;
}
.how li {
  margin: 6px 0;
}

.foot {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  padding: 0 6px;
}

.form-group {
  margin: 12px 0;
}
.form-group label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
  letter-spacing: 0.4px;
}
.form-group input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(52, 211, 153, 0.1);
}

#leaderboard {
  width: min(1100px, 100%);
  margin-top: 20px;
}
#leaderboard h2 {
  font-size: 18px;
  margin: 0 0 12px;
  letter-spacing: 0.4px;
}
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}
.leaderboard-table th {
  background: rgba(255, 255, 255, 0.06);
  padding: 10px;
  text-align: left;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.6px;
  font-weight: 600;
  border-bottom: 1px solid var(--stroke);
}
.leaderboard-table td {
  padding: 10px;
  border-bottom: 1px solid var(--stroke);
  font-size: 13px;
}
.leaderboard-table tr:last-child td {
  border-bottom: none;
}
.leaderboard-table tr:hover {
  background: rgba(255, 255, 255, 0.05);
}
.leaderboard-rank {
  color: var(--accent);
  font-weight: 700;
  width: 40px;
}

#clouds {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.cloud {
  width: 160px;
  height: 50px;
  background: #fff;
  border-radius: 160px;
  position: absolute;
  top: -20px;
}

.cloud:before,
.cloud:after {
  content: "";
  position: absolute;
  background: #fff;
  width: 80px;
  height: 60px;
  border-radius: 80px;
  position: absolute;
  top: -15px;
  left: 10px;
}

.cloud:after {
  width: 100px;
  height: 100px;
  top: -45px;
  left: auto;
  right: 15px;
}

.x1 {
  left: 50px;
  opacity: 0.7;
  animation: moveclouds 20s linear infinite;
}

.x2 {
  left: 250px;
  top: 15px;
  opacity: 0.5;
  transform: scale(0.6);
  animation: moveclouds 28s linear infinite;
}

.x3 {
  left: -100px;
  top: 45px;
  opacity: 0.6;
  transform: scale(0.7);
  animation: moveclouds 24s linear infinite;
}

.x4 {
  left: 400px;
  top: 25px;
  opacity: 0.65;
  transform: scale(0.65);
  animation: moveclouds 22s linear infinite;
}

.x5 {
  left: 100px;
  top: 5px;
  opacity: 0.55;
  transform: scale(0.6);
  animation: moveclouds 26s linear infinite;
}

@keyframes moveclouds {
  0% {
    transform: translateX(0) scale(var(--scale, 1));
  }
  100% {
    transform: translateX(1000px) scale(var(--scale, 1));
  }
}

#game-hud .score-pill {
  background-color: #14542e;
}

#game-hud .score-pill #score {
  color: #fff;
}

#game-hud .record-pill {
  color: #fff;
  background-color: #14542e;
}

.embed-mode {
  padding: 0;
}

.embed-mode .topbar {
  display: none;
}

.embed-mode .wrap {
  width: 100%;
  margin: 0;
  padding: 0;
}

.embed-mode .stage {
  margin-top: 0;
  border-radius: 0;
  border: none;
  background: none;
  box-shadow: none;
  position: relative;
}

.embed-mode .foot,
.embed-mode #leaderboard {
  display: none;
}

.embed-mode .hud {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1000;
  display: flex;
  gap: 10px;
  pointer-events: none;
}

.embed-mode .pill {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(52, 211, 153, 0.4);
  padding: 6px 10px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.embed-mode .pill .k {
  font-size: 9px;
  color: rgba(255, 255, 255, 0.7);
}

.embed-mode .pill span:last-child {
  font-size: 13px;
  font-weight: 700;
  color: #34d399;
}

#btnRestart {
  display: none;
}
h2#ovTitle {
  font-family: "Roboto";
  color: #fff;
  line-height: 1;
  text-align: left;
}
p#ovText {
  font-family: "Roboto";
  text-align: left;
}
form#scoreForm .form-group {
  text-align: left;
}
section#game-wrap {
  padding-left: 15px;
  padding-right: 15px;
}