:root {
  --cell: 64px;
  --gap: 4px;

  --pink: #ff8fd0;
  --green: #57d86a;
  --red: #b0392f;
  --yellow: #f4cf33;
  --orange: #ef8b2c;
  --purple: #a05bd6;
  --blue: #36a3e6;
  --void: #11131c;

  --bg: #0d1020;
  --bg2: #161a30;
  --panel: #1d2240;
  --ink: #eef1ff;
  --muted: #9aa3cf;
  --accent: #ffd166;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: radial-gradient(1200px 700px at 70% -10%, #2a2350, var(--bg)) fixed;
  color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px clamp(12px, 3vw, 28px) 40px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.title h1 {
  margin: 0;
  font-size: clamp(24px, 4vw, 40px);
  letter-spacing: 1px;
  background: linear-gradient(90deg, var(--pink), var(--yellow), var(--blue), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 10px rgba(160, 91, 214, 0.35));
}
.tag { margin: 2px 0 0; color: var(--muted); font-size: 14px; }

.flavor {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 8px 16px;
  min-width: 120px;
}
.flavor-label { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); }
.flavor-value { font-size: 22px; font-weight: 700; }
.flavor[data-flavor="Orange"] .flavor-value { color: var(--orange); }
.flavor[data-flavor="Lemon"] .flavor-value { color: var(--yellow); }
.flavor[data-flavor="Plain"] .flavor-value { color: var(--ink); }

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 22px;
  align-items: start;
}
@media (max-width: 860px) {
  .stage { grid-template-columns: 1fr; }
}

.boardwrap {
  background: var(--bg2);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.levelhead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.lvlnum {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  border-radius: 8px;
  background: var(--accent);
  color: #20140a;
  font-weight: 800;
  margin-right: 8px;
}
.lvlname { font-size: 20px; font-weight: 700; }
.moves { color: var(--muted); font-variant-numeric: tabular-nums; }
.hint { color: var(--muted); margin: 8px 0 14px; min-height: 38px; font-size: 14px; }

.board-frame {
  position: relative;
  width: max-content;
  max-width: 100%;
  margin: 0 auto;
}
.board {
  display: grid;
  gap: var(--gap);
  padding: var(--gap);
  background: var(--void);
  border-radius: 12px;
}

.tile {
  width: var(--cell);
  height: var(--cell);
  border-radius: 9px;
  position: relative;
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.22), inset 0 3px 0 rgba(255, 255, 255, 0.18);
}
.t-void { background: transparent; box-shadow: none; }
.t-pink { background: var(--pink); }
.t-green { background: var(--green); }
.t-red {
  background: repeating-linear-gradient(45deg, var(--red), var(--red) 10px, #962f26 10px, #962f26 20px);
  box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.35);
}
.t-yellow { background: var(--yellow); }
.t-orange { background: var(--orange); }
.t-purple {
  background: linear-gradient(135deg, var(--purple), #c79bef);
}
.t-blue {
  background: linear-gradient(180deg, #4fb4f0, var(--blue));
}
.t-start { background: var(--pink); }
.t-goal { background: var(--pink); }

/* Tile glyphs / decoration */
.tile::after {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: calc(var(--cell) * 0.42);
  font-weight: 800;
}
.t-green::after { content: "♪"; color: rgba(0, 60, 0, 0.5); }
.t-yellow::after { content: "↩"; color: rgba(90, 60, 0, 0.55); }
.t-orange::after { content: "🍊"; font-size: calc(var(--cell) * 0.4); }
.t-purple::after { content: "❄"; color: rgba(255, 255, 255, 0.75); }
.t-start::after { content: "START"; font-size: calc(var(--cell) * 0.16); letter-spacing: 1px; color: rgba(70, 0, 45, 0.55); }
.t-goal::after { content: "🏁"; }
.t-blue.live::after { content: "⚡"; color: rgba(255, 255, 255, 0.85); font-size: calc(var(--cell) * 0.5); }
.t-blue.live { box-shadow: inset 0 0 0 3px rgba(244, 207, 51, 0.8), inset 0 -4px 0 rgba(0, 0, 0, 0.22); }

/* Player */
.player {
  position: absolute;
  top: var(--gap);
  left: var(--gap);
  width: var(--cell);
  height: var(--cell);
  display: grid;
  place-items: center;
  transition: transform 110ms ease;
  pointer-events: none;
  z-index: 5;
}
.player.sliding { transition: transform 70ms linear; }
.soul {
  width: calc(var(--cell) * 0.5);
  height: calc(var(--cell) * 0.5);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffffff, #d7dcff 60%, #aab2ff);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.85), 0 4px 8px rgba(0, 0, 0, 0.4);
  transition: background 160ms, box-shadow 160ms;
}
.player[data-flavor="Orange"] .soul {
  background: radial-gradient(circle at 35% 30%, #ffd9b0, var(--orange) 65%, #c96a14);
  box-shadow: 0 0 16px rgba(239, 139, 44, 0.9), 0 4px 8px rgba(0, 0, 0, 0.4);
}
.player[data-flavor="Lemon"] .soul {
  background: radial-gradient(circle at 35% 30%, #fbffb0, var(--yellow) 60%, #c9a514);
  box-shadow: 0 0 16px rgba(244, 207, 51, 0.9), 0 4px 8px rgba(0, 0, 0, 0.4);
}

/* Win overlay */
.overlay[hidden] { display: none; }
.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(8, 10, 22, 0.78);
  border-radius: 12px;
  z-index: 10;
  animation: fade 200ms ease;
}
@keyframes fade { from { opacity: 0; } }
.overlay-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 26px 30px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.overlay-card h2 { margin: 0 0 6px; font-size: 26px; color: var(--accent); }
.overlay-card p { margin: 0 0 16px; color: var(--muted); }
.overlay-actions { display: flex; gap: 10px; justify-content: center; }

/* D-pad */
.dpad {
  display: grid;
  grid-template-columns: repeat(3, 56px);
  grid-template-rows: repeat(2, 56px);
  gap: 8px;
  justify-content: center;
  margin: 18px auto 6px;
}
.dbtn {
  border: none;
  border-radius: 12px;
  background: var(--panel);
  color: var(--ink);
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.35);
  transition: transform 60ms, background 120ms;
}
.dbtn:active { transform: translateY(3px); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35); }
.dbtn.up { grid-area: 1 / 2; }
.dbtn.left { grid-area: 2 / 1; }
.dbtn.down { grid-area: 2 / 2; }
.dbtn.right { grid-area: 2 / 3; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 10px;
}
.btn {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--panel);
  color: var(--ink);
  padding: 9px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  transition: background 120ms, transform 60ms;
}
.btn:hover { background: #2a3060; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); color: #20140a; font-weight: 700; border-color: transparent; }

/* Side panel */
.side {
  background: var(--bg2);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 18px;
  padding: 16px 18px;
}
.side h3 { margin: 6px 0 10px; font-size: 15px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.legend { list-style: none; margin: 0 0 18px; padding: 0; display: grid; gap: 8px; }
.legend li { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; line-height: 1.3; }
.swatch { flex: 0 0 auto; width: 20px; height: 20px; border-radius: 6px; margin-top: 1px; box-shadow: inset 0 -2px 0 rgba(0,0,0,0.25); }
.legend b { color: var(--ink); }
.legend span { color: var(--muted); }

.levelpick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.lvlbtn {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--panel);
  color: var(--ink);
  padding: 10px 0;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  position: relative;
}
.lvlbtn.locked { opacity: 0.4; cursor: not-allowed; }
.lvlbtn.done::after { content: "✓"; position: absolute; top: 2px; right: 5px; font-size: 10px; color: var(--green); }
.lvlbtn.current { outline: 2px solid var(--accent); }

.credit { color: var(--muted); font-size: 12px; line-height: 1.5; }