:root {
  --bg1: #fff3d8;
  --bg2: #d9f5ff;
  --card: #fffefc;
  --ink: #2b2f42;
  --muted: #667189;
  --good: #3ebd7f;
  --bad: #ff6b78;
  --accent: #ff9f45;
  --shadow: 0 12px 30px rgba(64, 58, 83, 0.16);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Trebuchet MS", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(150deg, var(--bg1), var(--bg2));
}

body {
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
  filter: blur(0.2px);
}

body::before {
  width: 220px;
  height: 220px;
  top: 10%;
  left: 8%;
}

body::after {
  width: 160px;
  height: 160px;
  right: 12%;
  bottom: 15%;
}

.app-shell {
  max-width: 1160px;
  margin: 0 auto;
  padding: 16px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--card);
  box-shadow: var(--shadow);
  font-weight: 700;
  letter-spacing: 0.2px;
}

.hud {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge {
  background: var(--card);
  border-radius: 999px;
  padding: 8px 14px;
  box-shadow: var(--shadow);
  font-weight: 700;
  font-size: 14px;
}

.game-wrap {
  position: relative;
  border-radius: calc(var(--radius) + 8px);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.45);
}

#gameCanvas {
  width: 100%;
  height: auto;
  display: block;
  touch-action: manipulation;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(237, 246, 255, 0.5);
  backdrop-filter: blur(2px);
}

.hidden {
  display: none;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.card-large {
  width: min(920px, 95%);
  max-height: 95%;
  overflow: auto;
}

.floaty {
  animation: softFloat 3.2s ease-in-out infinite;
}

@keyframes softFloat {
  0% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

h1,
h2,
h3 {
  margin-top: 0;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 14px;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 10px 18px;
  background: #ecf1ff;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  box-shadow: 0 8px 18px rgba(78, 94, 129, 0.2);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(1px);
}

.btn-accent {
  background: linear-gradient(120deg, #ffd45a, var(--accent));
}

.panel {
  margin-top: 10px;
  padding: 12px;
  border-radius: 16px;
  background: #f9fbff;
}

.submit-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

input {
  border: 1px solid #d6deef;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  min-width: 170px;
}

.muted {
  color: var(--muted);
}

.leaderboard-table-wrap {
  overflow-x: auto;
}

.leaderboard {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
}

.leaderboard th {
  text-align: left;
  color: var(--muted);
  font-size: 13px;
  padding: 0 10px;
}

.leaderboard td {
  background: #f7f9ff;
  padding: 10px;
  font-size: 14px;
}

.leaderboard td:first-child {
  border-radius: 12px 0 0 12px;
  font-weight: 700;
  color: #5e6ea3;
}

.leaderboard td:last-child {
  border-radius: 0 12px 12px 0;
}

@media (max-width: 900px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hud {
    justify-content: flex-start;
  }

  .card-large {
    width: 100%;
    padding: 14px;
  }
}

@media (max-width: 760px) and (orientation: portrait) {
  .app-shell {
    padding: 10px;
  }

  .topbar {
    margin-bottom: 8px;
    gap: 8px;
  }

  .brand-pill {
    padding: 8px 12px;
    font-size: 14px;
  }

  .hud {
    gap: 6px;
  }

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

  .game-wrap {
    height: calc(100dvh - 132px);
    min-height: 520px;
  }

  #gameCanvas {
    width: 100%;
    height: 100%;
  }

  .overlay {
    padding: 10px;
  }

  .card-large {
    max-height: calc(100dvh - 160px);
  }
}