body {
  margin: 0;
  font-family: Arial, sans-serif;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #1e1e1e;
  color: #f0f0f0;
  transition: background 0.5s ease, color 0.5s ease;
}

body.light-mode {
  background: #f2f2f2;
  color: #1e1e1e;
}

.settings {
  padding: 10px;
  text-align: center;
  background: #2a2a2a;
  border-bottom: 1px solid #444;
  transition: background 0.5s ease;
}

body.light-mode .settings {
  background: #e0e0e0;
  border-bottom: 1px solid #ccc;
}

.settings input {
  width: 50px;
  margin: 0 10px;
  background: #444;
  color: #f0f0f0;
  border: none;
  padding: 4px;
  transition: background 0.3s ease, color 0.3s ease;
}

body.light-mode .settings input {
  background: #fff;
  color: #000;
}

.settings button {
  margin-left: 10px;
  padding: 5px 10px;
  background: #555;
  color: #f0f0f0;
  border: none;
  cursor: pointer;
}

body.light-mode .settings button {
  background: #ccc;
  color: #000;
}

.timer-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

#timer {
  font-size: 128px;
  font-weight: bold;
}

#status {
  margin-top: 20px;
  font-size: 24px;
  color: #414141;
}

#showSettingsBtn {
  display: none;
  position: absolute;
  top: 10px;
  right: 10px;
  background: #444;
  color: #f0f0f0;
  border: none;
  padding: 6px 10px;
  cursor: pointer;
  z-index: 10;
  transition: background 0.3s ease, color 0.3s ease;
}

body.light-mode #showSettingsBtn {
  background: #ccc;
  color: #000;
}