html {
  overflow: hidden;
  height: 100%;
  width: 100%;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Arial", sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  color: white;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.logo {
  position: fixed;
  top: 20px;
  left: 20px;
  width: auto;
  height: auto;
  z-index: 1000;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  text-decoration: none;
  display: block;
  cursor: pointer;
  padding-left: 5px;
  padding-right: 5px;
}

.logo:hover {
  transform: scale(1.1);
}

.logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 10px;
}

.settings-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 15px;
  border-radius: 50%;
  text-decoration: none;
  font-size: 1.5rem;
  transition: all 0.3s ease;
  z-index: 1000;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.settings-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}

.heartbeat-indicators {
  position: fixed;
  top: 20px;
  right: 90px;
  display: flex;
  gap: 15px;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 25px;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.heartbeat-indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #e74c3c;
  transition: all 0.3s ease;
  position: relative;
}

.heartbeat-indicator::before {
  content: attr(data-label);
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-weight: bold;
  white-space: nowrap;
  color: rgba(255, 255, 255, 0.8);
}

.heartbeat-indicator.active {
  background: #2ecc71;
  box-shadow: 0 0 10px rgba(46, 204, 113, 0.5);
}

/* Batterie-Banner Styling */
.battery-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
  color: white;
  padding: 15px 20px;
  text-align: center;
  z-index: 2000;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  border-bottom: 3px solid rgba(255, 255, 255, 0.2);
  animation: batteryPulse 2s infinite;
  transform: translateY(-100%);
  transition: transform 0.5s ease;
}

.battery-banner.show {
  transform: translateY(0);
}

.battery-banner .banner-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.battery-banner .banner-icon {
  font-size: 2rem;
  animation: batteryBlink 1.5s infinite;
}

.battery-banner .banner-text {
  font-size: 1.1rem;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.battery-banner .banner-devices {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-top: 5px;
}

.battery-banner .close-btn {
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.battery-banner .close-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-50%) scale(1.1);
}

@keyframes batteryPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes batteryBlink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0.5;
  }
}

/* Anpassung für mobile Geräte */
@media (max-width: 768px) {
  .battery-banner {
    padding: 12px 15px;
  }

  .battery-banner .banner-content {
    gap: 10px;
  }

  .battery-banner .banner-icon {
    font-size: 1.5rem;
  }

  .battery-banner .banner-text {
    font-size: 1rem;
  }

  .battery-banner .close-btn {
    width: 30px;
    height: 30px;
    font-size: 1rem;
    right: 15px;
  }
}

/* Hauptcontent nach unten verschieben wenn Banner sichtbar */
.content-shifted {
  margin-top: 80px;
  transition: margin-top 0.5s ease;
}

@media (max-width: 768px) {
  .content-shifted {
    margin-top: 70px;
  }
}

.header {
  text-align: center;
  margin-bottom: 2vh;
  flex-shrink: 0;
}

.header h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 0.5vh;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.header p {
  font-size: clamp(0.8rem, 1.8vw, 1rem);
}

.timer-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(15px, 2vw, 30px);
  width: 100%;
  max-width: 100%;
  flex-grow: 1;
  padding: 0 2vw;
  max-height: 60vh;
}

@media (max-width: 768px) {
  .timer-container {
    grid-template-columns: 1fr;
    gap: clamp(15px, 3vw, 30px);
    padding: 0 15px;
  }
}

.lane {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: clamp(15px, 2.5vh, 25px);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  overflow: hidden;
}

.lane h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  margin-bottom: clamp(10px, 1vh, 15px);
  color: #fff;
}

.swimmer-name {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: bold;
  margin-bottom: clamp(15px, 2vh, 25px);
  padding: clamp(8px, 1.5vh, 12px) clamp(12px, 2vw, 18px);
  background: rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.5s ease-in;
  text-align: center;
  word-wrap: break-word;
  line-height: 1.2;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.time-display {
  font-size: clamp(3rem, 9vw, 10rem);
  font-weight: bold;
  margin: clamp(10px, 1vh, 15px) 0;
  font-family: "Courier New", monospace;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  line-height: 1;
}

.status {
  font-size: clamp(3rem, 1.8vw, 1.2rem);
  margin: clamp(8px, 1vh, 12px) 0;
  padding: clamp(6px, 1vh, 10px) clamp(12px, 2vw, 18px);
  border-radius: 20px;
  display: inline-block;
  font-weight: 600;
}

.status.ready {
  background-color: rgba(52, 152, 219, 0.3);
  border: 2px solid #3498db;
}

.status.running {
  background-color: rgba(46, 204, 113, 0.3);
  border: 2px solid #2ecc71;
  animation: pulse 1s infinite;
}

.status.finished {
  background-color: rgba(231, 76, 60, 0.3);
  border: 2px solid #e74c3c;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
  100% {
    opacity: 1;
  }
}

.status.standby {
  background-color: rgba(255, 193, 7, 0.3);
  border: 2px solid #ffc107;
  animation: standbyBlink 2s infinite;
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
  100% {
    opacity: 1;
  }
}

@keyframes standbyBlink {
  0%, 70% {
    opacity: 1;
  }
  85%, 100% {
    opacity: 0.6;
  }
}

.best-times {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: clamp(10px, 1.5vh, 15px);
  margin: 1vh 0 0 0;
  width: 50%;
  max-width: 50%;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  align-self: center;
}

.best-times h3 {
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  margin-bottom: clamp(5px, 0.5vh, 8px);
}

.best-time-row {
  display: flex;
  justify-content: space-between;
  margin: clamp(3px, 0.5vh, 5px) 0;
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.1);
  padding: clamp(5px, 1vh, 8px) clamp(8px, 1.5vw, 12px);
  border-radius: 8px;
}

.learning-mode {
  background: rgba(255, 193, 7, 0.2);
  border: 2px solid #ffc107;
  border-radius: 15px;
  padding: clamp(15px, 2vh, 20px);
  margin: 2vh 0;
  text-align: center;
  animation: pulse 2s infinite;
  width: 100%;
  position: absolute;
  top: 15vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
}

.learning-mode h3 {
  color: #ffc107;
  margin-bottom: 10px;
  font-size: clamp(1rem, 2vw, 1.3rem);
}

.learning-mode p {
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
}