/* === Basis-Layout (für alle Seiten) === */
body {
  font-family: system-ui, sans-serif;
  background: #f8f8f8;
  margin: 0;
  padding: 0;
  overflow-x: hidden; /* keine horizontale Scrollbar */
}

/* === Login-Seite === */
body.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh; /* Login ist zentriert, aber nur hier */
}

.login-container {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  width: 300px;
  text-align: center;
}

/* === Dashboard-Seite === */
body.dashboard {
  display: block;
  width: 100%;
  min-height: 100vh;
  overflow-y: auto; /* Scrollen erlaubt */
}

#dashboard-container {
  display: block;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 0;
  text-align: center;
}

#dashboard-container h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: #333;
}

#dashboard-container h2 {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 2rem;
  font-weight: 400;
}

/* === Plot-Bereich === */
#plots {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 100%;
}

.plot {
  width: 95vw;             /* 95 % der Fensterbreite */
  max-width: 1600px;       /* damit es auf großen Monitoren schön bleibt */
  height: 300px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background-color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* === Formularelemente (Login) === */
input {
  width: 100%;
  padding: 0.6rem;
  margin: 0.5rem 0;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.5rem;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

.error {
  color: red;
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* === Steuer-Panel === */
#control-panel {
  margin-bottom: 1rem;
  text-align: center;
}

#control-panel label {
  font-weight: 500;
  margin-right: 0.5rem;
}

#sensor-select {
  padding: 0.4rem 0.8rem;
  font-size: 1rem;
  border-radius: 6px;
  border: 1px solid #ccc;
  background-color: white;
  cursor: pointer;
}

#analysis-container {
  text-align: center;
  margin: 2rem auto;
  width: 95%;
  max-width: 1200px;
}

#controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.small-btn {
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.plot {
  width: 100%;
  margin: 1.5rem auto;
  border: 1px solid #ccc;
  border-radius: 8px;
  background-color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.nav-buttons {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin: 1rem auto 1.5rem auto;
}

.small-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  background-color: #007bff;
  color: white;
  cursor: pointer;
  font-size: 0.95rem;
  width: auto;
  min-width: 140px;
}

.small-btn:hover {
  background-color: #0056b3;
}

.logout {
  background-color: #dc3545;
}

.logout:hover {
  background-color: #a71d2a;
}

#control-panel {
  margin-bottom: 2rem;
  text-align: center;
}

#plot-ecg {
  margin-bottom: 120px; /* sorgt für sichtbare Trennung */
}