body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f7f7f7;
  color: #222;
}

/* Üst Menü */
header {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #c0392b;
  padding: 15px 20px;
}

header h1 {
  color: white;
  font-size: 37px;
  font-weight: bold;
  margin-bottom: 15px;
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

header nav ul li a {
  text-decoration: none;
  color: #fff;
  background-color: #c0392b;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: bold;
  transition: all 0.3s ease;
}

header nav ul li a:hover,
header nav ul li a.active {
  background-color: #ff5c5c;
  color: white;
  box-shadow: 0 0 15px rgba(255, 92, 92, 0.8);
  transform: scale(1.05);
}

.slider-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 60px;
  gap: 20px;
}

.weather-card {
  width: 300px;
  padding: 25px;
  background: linear-gradient(135deg,#74b9ff,#0984e3);
  color: white;
  border-radius: 15px;
  text-align: center;
  font-size: 18px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

button {
  font-size: 24px;
  padding: 10px 15px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  background: #c0392b;
  color: white;
}

button:hover {
  background: #e74c3c;
}
.weather-fullscreen {
  position: relative;
  height: calc(100vh - 150px);
  background: linear-gradient(to bottom, #4facfe, #00f2fe);
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 20px;
  text-align: center;
}

#weatherScreen {
  background: rgba(0,0,0,0.3);
  padding: 40px;
  border-radius: 20px;
  width: 80%;
  max-width: 600px;
}

.big-emoji {
  font-size: 80px;
  margin: 20px 0;
}

.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #c0392b;
  border: none;
  color: white;
  font-size: 28px;
  padding: 15px;
  border-radius: 50%;
  cursor: pointer;
}

.nav-btn.left {
  left: 20px;
}

.nav-btn.right {
  right: 20px;
}

.day-indicator {
  margin-top: 25px;
  font-size: 18px;
  opacity: 0.8;
}