/* ------------------ BASIC RESET ------------------ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* ------------------ BODY & CONTAINER ------------------ */
body {
  background-color: #f5f6fa;
  color: #333;
  padding: 20px;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  margin-top: 100px;
}

.logoname {
  display: block;
  height: 180px;
  margin: 0 auto 0 auto;
}

/* ------------------ CARDS ------------------ */
.card {
  background: #1e293b;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  max-width: 1400px;
  width: 90%;
  text-align: center;
}

/* ------------------ BUTTONS ------------------ */
button {
  padding: 10px 20px;
  margin: 5px;
  border: none;
  border-radius: 8px;
  background-color: #3498db;
  color: white;
  cursor: pointer;
  transition: background-color 0.2s, opacity 0.2s;
}

/* Hover effect */
button:hover {
  background-color: #2980b9;
}

/* Start / Stop buttons */
button.start { background-color: #28a745; }
button.start:hover { background-color: #218838; }

button.stop { background-color: #dc3545; }
button.stop:hover { background-color: #c82333; }

/* Secondary buttons */
button.secondary {
  background-color: #2196F3;
}
button.secondary:hover {
  background-color: #1976d2;
}

/* Disabled / greyed out button */
button.disabled,
button:disabled {
  background-color: grey !important;
  color: #ccc !important;
  cursor: not-allowed !important;
  pointer-events: none;
  opacity: 0.6;
}

/* Card buttons */
.card button {
  display: inline-block;
  width: 45%;
  margin: 5px 2.5%;
}

/* ------------------ INPUTS ------------------ */
input, select {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #ccc;
  margin: 5px 0;
}

/* ------------------ HEADINGS ------------------ */
h2 {
  margin-bottom: 20px;
  color: white;
}

/* Timer display */
#timerDisplay {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: white;
  text-align: center;
}