*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background-color: black;
}

h1 {
  text-align: center;
  color: goldenrod;
  font-size: 4rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.3rem;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.5),
               0 0 40px rgba(255, 215, 0, 0.3);
  margin: 3rem 0 4rem 0;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Upload Section Styles */
.upload-section {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border: 2px solid goldenrod;
  border-radius: 12px;
  padding: 2rem 3rem;
  margin-bottom: 2rem;
  text-align: center;
  max-width: 600px;
  width: 90%;
  transition: all 0.3s ease;
}

.upload-section h2 {
  color: goldenrod;
  font-size: 1.5rem;
  margin: 0 0 1rem 0;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}

.upload-instructions {
  color: #ccc;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.upload-instructions code {
  background: rgba(255, 215, 0, 0.2);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: goldenrod;
  font-family: monospace;
}

.upload-controls {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

.button {
  background: transparent;
  color: goldenrod;
  padding: 0.75rem 1.5rem;
  border: 2px solid goldenrod;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1rem;
  transition: background 0.2s, color 0.2s;
  display: inline-block;
  text-align: center;
  text-decoration: none;
}

.button:hover {
  background: goldenrod;
  color: #000;
}

.button input[type="file"] {
  display: none;
}

.upload-error {
  color: #ff6b6b;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid #ff6b6b;
  padding: 1rem;
  border-radius: 8px;
  margin-top: 1rem;
  white-space: pre-line;
  text-align: left;
}