/* Base Styles */
body {
  margin: 0;
  font-family: 'Share Tech Mono', monospace;
  background-color: #f5f5f5;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

/* Header */
header {
  width: 100%;
  background-color: #dcdcdc;
  display: flex;
  align-items: center;
  padding: 10px 20px;
  gap: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
header h1 {
  margin: 0;
  font-size: 1.5rem;
  color: #222;
}
.logout-link {
  margin-left: auto;
  color: #222;
  text-decoration: none;
  font-weight: 600;
}
.logout-link:hover {
  text-decoration: underline;
}
#logo {
  height: 40px;
}

/* Screens */
.screen { display: none; padding: 20px; width: 100%; max-width: 400px; }
.screen.active { display: block; }

.header-glow {
  font-size: 1.6rem;
  color: #222;
  margin-bottom: 15px;
  text-align: center;
}

.input-group { margin-bottom: 15px; }
input, select {
  width: 100%;
  padding: 10px;
  border-radius: 4px;
  border: 1px solid #aaa;
  margin-top: 5px;
}

/* Buttons */
button {
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid #555;
  background-color: #eee;
  color: #222;
}
button:disabled {
  background-color: #ccc;
  border-color: #999;
  cursor: not-allowed;
}
button:hover:not(:disabled) {
  background-color: #ddd;
}

/* Upload Toggle */
.upload-toggle { text-align: center; margin-bottom: 20px; }
.upload-toggle button { margin: 0 5px; }
.upload-toggle button.active {
  background-color: #bbb;
  font-weight: bold;
}

/* Button Group Actions */
.button-group { display: flex; gap: 10px; flex-wrap: wrap; margin: 15px 0; }
.btn-action { flex: 1; }

/* Timer & Results */
#timerBox, #resultsBox { margin-top: 15px; padding: 15px; border-radius: 6px; background-color: #f0f0f0; border: 1px solid #ccc; }
.warning { color: #b22222; font-weight: bold; }
.error-message {
  margin: 0 0 15px;
  color: #b22222;
  font-weight: 600;
}
.hidden {
  display: none !important;
}