:root {
  --pink: #ffb6c1;
  --rose: #ff80ab;
  --aqua: #a7ffeb;
  --lavender: #e6e6fa;
  --gray: #555;
}


body {
  background: linear-gradient(135deg, var(--lavender), var(--aqua));
  font-family: "Poppins", "Segoe UI", sans-serif;
  text-align: center;
  color: var(--gray);
  margin: 0;
  padding: 20px;
}

h1 {
  font-size: 2.4rem;
  color: var(--rose);
  text-shadow: 1px 1px 4px rgba(255, 128, 171, 0.4);
  margin-bottom: 0.3em;
}

.subtitle {
  font-size: 1.1rem;
  margin-bottom: 20px;
  color: #666;
}

.canvas-container {
  display: flex;
  justify-content: center;
  align-items: center;
  background: white;
  border: 4px solid var(--pink);
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(255, 182, 193, 0.4);
  width: fit-content;
  margin: 0 auto 25px auto;
  padding: 12px;
}

#canvas {
  border-radius: 16px;
  width: 900px;
  height: 500px;
  display: block;
}

.controls {
  background: rgba(255, 255, 255, 0.8);
  border: 2px solid var(--pink);
  border-radius: 16px;
  padding: 16px;
  width: fit-content;
  margin: 0 auto 16px auto;
  box-shadow: 0 4px 12px rgba(255, 182, 193, 0.3);
}

input[type="text"] {
  padding: 10px;
  font-size: 1rem;
  width: 250px;
  border-radius: 10px;
  border: 2px solid var(--pink);
  transition: box-shadow 0.3s;
}

input[type="text"]:focus {
  outline: none;
  box-shadow: 0 0 8px rgba(255, 128, 171, 0.6);
}

button {
  background: var(--rose);
  border: none;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 12px;
  padding: 10px 16px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.3s;
  box-shadow: 0 4px 10px rgba(255, 128, 171, 0.3);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(255, 128, 171, 0.4);
}

.sliders {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

label {
  background: #fff;
  border: 2px solid var(--pink);
  border-radius: 10px;
  padding: 6px 12px;
  font-size: 0.95rem;
  color: var(--gray);
}

footer {
  margin-top: 25px;
  color: #777;
  font-size: 0.9rem;
}