* {
  text-align: center;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: white;
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, #334155, #0f172a 55%);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 16px;
}

.container-container {
  display: flex;
  justify-content: center;
  margin-top: 24px;
  width: 100%;
}

.container {
  height: auto;
  display: flex;
  flex-wrap: wrap;
  border: 8px solid #f8fafc;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(2, 6, 23, 0.45);
  background-color: #f8fafc;
  justify-content: center;
  align-items: center;
  touch-action: none;
  user-select: none;
}

.pixel {
  background-color: white;
  min-height: 5px;
  min-width: 5px;
  border: 1px solid #e5e7eb;
}

button {
  border-radius: 999px;
  border: 2px solid #f8fafc;
  padding: 10px 18px;
  background: linear-gradient(180deg, #1d4ed8, #1e40af);
  color: #f8fafc;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(30, 64, 175, 0.35);
}

button:active {
  transform: translateY(0);
}

h1 {
  margin: 0 0 8px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hint {
  margin: 0;
  color: #cbd5e1;
}

.button-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-top: 20px;
}

.palette-label {
  align-self: center;
  font-weight: bold;
}

.color-picker {
  width: 48px;
  height: 48px;
  border: 2px solid #f8fafc;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  padding: 2px;
}