:root {
  --font-main: 'Inter', system-ui, sans-serif;
  --bg-light: #f7f7f7;
  --bg-white: #fff;
  --text-dark: #333;

  --btn-radius: 6px;
  --btn-font: 'Inter', system-ui, sans-serif;

  --btn-green: #3aaf85;
  --btn-green-hover: #2a8f6d;

  --btn-blue: #2a8de3;
  --btn-blue-hover: #1a73c9;

  --btn-purple: #7b57c2;
  --btn-purple-hover: #6240a8;

  --btn-orange: #f28c38;
  --btn-orange-hover: #d9711f;
}

body {
  font-family: var(--font-main);
  background: var(--bg-light);
  color: var(--text-dark);
  margin: 0;
  padding: 24px;
  line-height: 1.6;
}

.controls {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.controls label {
  font-weight: 600;
  margin-right: 4px;
}

.controls select {
  padding: 5px 10px;
  font-size: 1rem;
  border-radius: var(--btn-radius);
  border: 1px solid #ccc;
  background-color: #fff;
}

/* Shared button base style */
.controls button,
#printBtn,
#downloadBtn,
#generateBtn,
#toggleSolutionBtn {
  font-family: var(--btn-font);
  padding: 6px 14px;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--btn-radius);
  color: white;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

/* Hover effect (slight lift) */
.controls button:hover,
#printBtn:hover,
#downloadBtn:hover,
#generateBtn:hover,
#toggleSolutionBtn:hover {
  transform: translateY(-1px);
}

/* Individual Button Colors */
#generateBtn {
  background-color: var(--btn-green);
}
#generateBtn:hover {
  background-color: var(--btn-green-hover);
}

#toggleSolutionBtn {
  background-color: var(--btn-blue);
}
#toggleSolutionBtn:hover {
  background-color: var(--btn-blue-hover);
}

#printBtn {
  background-color: var(--btn-purple);
}
#printBtn:hover {
  background-color: var(--btn-purple-hover);
}

#downloadBtn {
  background-color: var(--btn-orange);
}
#downloadBtn:hover {
  background-color: var(--btn-orange-hover);
}

.intro {
  color: #444;
  font-size: 1rem;
}

.intro strong {
  color: var(--btn-green);
}

#mazeContainer {
  margin-top: 32px;
  background: var(--bg-white);
  border-radius: 12px;
  box-shadow: 0 2px 16px #0001;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 32px;
  min-height: 420px;
  transition: box-shadow 0.2s ease;
}

#mazeContainer:hover {
  box-shadow: 0 4px 24px #0002;
}

.printDL-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-left: auto;
}

footer {
  text-align: center;
  font-size: 0.85rem;
  color: #666;
  margin-top: 48px;
  padding: 24px 16px;
  border-top: 1px solid #ddd;
  background: #f9f9f9;
}

@media (max-width: 600px) {
  .printDL-controls {
    margin-left: 0;
    flex-direction: row;
    width: 100%;
    justify-content: space-between;
  }

  .controls {
    flex-direction: column;
    align-items: flex-start;
  }

  .controls button,
  .controls select {
    width: 100%;
  }
}

/* Print styles */
@media print {
  body {
    background: #fff;
  }

  .controls,
  .intro,
  .ad-placeholder,
  footer {
    display: none !important;
  }

  #mazeContainer,
  #mazeSolutionContainer {
    display: block !important;
    padding: 0 !important;
    background: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  #mazeContainer {
    page-break-after: always;
  }
}