.ppn-coloring-game {
  --ppn-red: #c91524;
  --ppn-green: #07594d;
  --ppn-cream: #fff8e8;
  --ppn-gold: #f5c44d;
  min-height: 100vh;
  padding: clamp(42px, 6vw, 76px) 20px 80px;
  background:
    radial-gradient(circle at 8% 7%, rgba(245,196,77,.2), transparent 24%),
    radial-gradient(circle at 92% 12%, rgba(201,21,36,.09), transparent 22%),
    linear-gradient(180deg, #fffdf7 0%, var(--ppn-cream) 100%);
  color: #243c36;
}

.ppn-coloring-game *,
.ppn-coloring-game *::before,
.ppn-coloring-game *::after { box-sizing: border-box; }

.ppn-coloring-game-inner { width: min(1180px, 100%); margin: 0 auto; }

.ppn-coloring-game-header { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.ppn-coloring-game-kicker {
  display: inline-block; margin-bottom: 12px; color: var(--ppn-red);
  font-size: .82rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
}
.ppn-coloring-game-header h1 {
  margin: 0; color: var(--ppn-green); font-family: Georgia, serif;
  font-size: clamp(2.2rem, 5vw, 4.2rem); line-height: 1.05;
}
.ppn-coloring-game-header p { margin: 14px auto 0; color: #586963; font-size: 1.05rem; }

.ppn-coloring-game-layout {
  display: grid; grid-template-columns: 290px minmax(0, 1fr); gap: clamp(24px, 4vw, 50px);
  align-items: start;
}
.ppn-coloring-palette {
  position: sticky; top: 24px; padding: 26px; background: rgba(255,255,255,.96);
  border: 1px solid rgba(7,89,77,.12); border-radius: 28px;
  box-shadow: 0 18px 45px rgba(38,54,48,.11);
}
.ppn-coloring-palette h2 { margin: 0 0 6px; color: var(--ppn-green); font-family: Georgia, serif; font-size: 1.7rem; }
.ppn-coloring-palette > p { margin: 0 0 20px; color: #697770; }
.ppn-coloring-colors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.ppn-color {
  width: 46px; aspect-ratio: 1; padding: 0; border: 4px solid #fff; border-radius: 50%;
  background: var(--paint); box-shadow: 0 0 0 1px rgba(0,0,0,.11), 0 5px 12px rgba(0,0,0,.14);
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease;
}
.ppn-color:hover { transform: translateY(-2px) scale(1.05); }
.ppn-color.active { transform: scale(1.13); box-shadow: 0 0 0 3px var(--ppn-green), 0 7px 16px rgba(0,0,0,.18); }
.ppn-selected-color {
  display: flex; align-items: center; justify-content: space-between; margin-top: 22px;
  padding: 12px 15px; border-radius: 15px; background: #f6f1e5; font-weight: 700;
}
.ppn-selected-color-dot { width: 28px; height: 28px; border: 3px solid #fff; border-radius: 50%; box-shadow: 0 0 0 1px rgba(0,0,0,.13); }
.ppn-coloring-tools-buttons { display: grid; gap: 11px; margin-top: 22px; }
.ppn-coloring-tool {
  width: 100%; padding: 13px 16px; border: 0; border-radius: 999px; font-weight: 800;
  cursor: pointer; transition: transform .18s ease, filter .18s ease;
}
.ppn-coloring-tool:hover { transform: translateY(-2px); filter: brightness(.97); }
.ppn-coloring-reset { color: var(--ppn-green); background: #e8f3ef; }
.ppn-coloring-print { color: #fff; background: var(--ppn-red); }

.ppn-coloring-board { min-width: 0; }
.ppn-coloring-paper {
  position: relative; overflow: hidden; width: min(100%, 720px); margin: 0 auto;
  aspect-ratio: 1055 / 1491; background: #fff; border: 12px solid #fff; border-radius: 26px;
  box-shadow: 0 24px 60px rgba(32,47,41,.16);
}
.ppn-coloring-source,
.ppn-coloring-canvas { display: block; width: 100%; height: 100%; object-fit: contain; background: #fff; }
.ppn-coloring-canvas { display: none; touch-action: none; cursor: crosshair; }
.ppn-coloring-loading {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 20px;
  color: var(--ppn-green); background: rgba(255,255,255,.9); font-weight: 800; text-align: center;
}
.ppn-coloring-help {
  display: flex; gap: 15px; align-items: center; width: min(100%, 720px); margin: 22px auto 0;
  padding: 18px 22px; border: 1px solid rgba(245,196,77,.55); border-radius: 20px; background: #fff9e8;
}
.ppn-coloring-help-icon { font-size: 2rem; }
.ppn-coloring-help p { margin: 0; line-height: 1.45; }
.ppn-coloring-back { margin-top: 38px; text-align: center; }
.ppn-coloring-back a { color: var(--ppn-red); font-weight: 800; text-decoration: none; }
.ppn-coloring-back a:hover { text-decoration: underline; }

@media (max-width: 860px) {
  .ppn-coloring-game-layout { grid-template-columns: 1fr; }
  .ppn-coloring-palette { position: static; width: min(100%, 720px); margin: 0 auto; }
  .ppn-coloring-colors { grid-template-columns: repeat(6, 1fr); }
  .ppn-coloring-tools-buttons { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .ppn-coloring-game { padding: 34px 12px 60px; }
  .ppn-coloring-palette { padding: 20px; border-radius: 22px; }
  .ppn-coloring-colors { grid-template-columns: repeat(4, 1fr); }
  .ppn-color { width: 44px; }
  .ppn-coloring-tools-buttons { grid-template-columns: 1fr; }
  .ppn-coloring-paper { border-width: 7px; border-radius: 18px; }
}

@media print {
  .site-header, .site-footer, .ppn-coloring-game-header, .ppn-coloring-palette,
  .ppn-coloring-help, .ppn-coloring-back { display: none !important; }
  .ppn-coloring-game { min-height: 0; padding: 0; background: #fff; }
  .ppn-coloring-game-layout { display: block; }
  .ppn-coloring-paper { width: 100%; border: 0; box-shadow: none; }
}