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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f5f7fa, #e0f7fa);
  min-height: 100vh;
  color: #333;
  animation: fadeIn 1s ease;
}

/* NAVIGATION BAR */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 25px;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.logo {
  font-size: 1.8em;
  font-weight: bold;
  color: #0077b6;
  text-decoration: none;
}

/* HAMBURGER BUTTON */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 20px;
  cursor: pointer;
}

.hamburger span {
  height: 3px;
  background: #333;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg);
  position: relative;
  top: 8px;
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg);
  position: relative;
  top: -8px;
}

/* MOBILE MENU */
.menu {
  display: flex;
  gap: 20px;
  list-style: none;
}

.menu-item {
  text-decoration: none;
  color: #333;
  font-size: 1.1em;
  transition: 0.3s;
}

.menu-item:hover {
  color: #0077b6;
}

.menu.open {
  position: absolute;
  top: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.9);
  padding: 50px 20px;
  width: 200px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: slideIn 0.3s ease forwards;
}

.menu-item {
  margin: 20px 0;
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .menu {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
  }
}

/* CONTAINER */
.container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  padding: 20px;
}

.card {
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 500px;
  text-align: center;
  animation: fadeIn 0.8s ease;
}

.card h2 {
  margin-bottom: 20px;
  color: #0077b6;
}

/* LOADING ANIMATION */
.loading {
  font-size: 1.2em;
  color: #0077b6;
  margin-top: 10px;
  display: block;
}

.weather-info {
  font-size: 1.5em;
  margin-top: 10px;
}

.city-select {
  margin-top: 20px;
  text-align: center;
}

.city-select label {
  font-size: 1.2em;
  color: #333;
  margin-bottom: 10px;
  display: block;
}

.city-select select {
  padding: 12px 20px;
  font-size: 1.1em;
  background-color: #fff;
  border: 2px solid #ddd;
  border-radius: 10px;
  width: 100%;
  max-width: 300px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.city-select select:hover {
  border-color: #0077b6;
  box-shadow: 0 4px 15px rgba(0, 119, 182, 0.3);
}

.city-select select:focus {
  outline: none;
  border-color: #0077b6;
  box-shadow: 0 4px 15px rgba(0, 119, 182, 0.3);
  background-color: #f0f8ff;
}

.city-select select option {
  padding: 10px;
  background-color: #f8f9fa;
  color: #333;
  font-size: 1.1em;
}

.city-select select option:hover {
  background-color: #0077b6;
  color: #fff;
}

/* ANIMATIONS */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

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