@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

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

:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.18);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.85);
  --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  --shadow-medium: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
  --shadow-hard: 0 20px 60px 0 rgba(31, 38, 135, 0.6);
}

body {
  min-height: 100vh;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
  overflow-x: hidden;
  color: var(--text-primary);
}

.animated-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  z-index: -1;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container {
  width: 100%;
  max-width: 520px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 2.5rem;
  border-radius: 24px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-medium);
  text-align: center;
  animation: fadeInUp 0.6s ease-out;
  transition: transform 0.3s ease;
}

.container:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header {
  margin-bottom: 2rem;
}

.title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.title i {
  font-size: 2.2rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.5px;
}

.search-box {
  margin-bottom: 2rem;
}

.search-wrapper {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 0.5rem;
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.search-wrapper:focus-within {
  background: rgba(255, 255, 255, 0.16);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.search-icon {
  padding: 0 1rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

.search-wrapper input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  padding: 0.75rem 0;
  font-family: "Inter", sans-serif;
  font-weight: 400;
}

.search-wrapper input::placeholder {
  color: var(--text-secondary);
}

.search-wrapper button {
  background: var(--primary-gradient);
  border: none;
  border-radius: 12px;
  color: white;
  width: 48px;
  height: 48px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.search-wrapper button:hover {
  transform: scale(1.05) rotate(5deg);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.search-wrapper button:active {
  transform: scale(0.98);
}

.search-wrapper button i {
  font-size: 1rem;
}

.weather-content {
  min-height: 200px;
}

.welcome-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
  color: var(--text-secondary);
}

.welcome-state i {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  opacity: 0.6;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.welcome-state p {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.welcome-state span {
  font-size: 0.85rem;
  opacity: 0.7;
}

.weather-main {
  animation: fadeInUp 0.5s ease-out;
}

.weather-header {
  margin-bottom: 1.5rem;
}

.weather-location {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.weather-icon {
  width: 120px;
  height: 120px;
  margin: 1rem auto;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.2));
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.weather-temp {
  font-size: 3.5rem;
  font-weight: 700;
  margin: 1rem 0;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.weather-condition {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-transform: capitalize;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 1.25rem;
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.stat-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.stat-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  opacity: 0.9;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.error-message {
  padding: 2rem;
  color: #ff6b6b;
  font-size: 1rem;
  animation: shake 0.5s ease-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

footer {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: center;
}

footer i {
  color: #ff6b6b;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Responsive Design */
@media (max-width: 600px) {
  .container {
    padding: 2rem 1.5rem;
    border-radius: 20px;
  }

  .title {
    font-size: 1.75rem;
  }

  .title i {
    font-size: 2rem;
  }

  .weather-temp {
    font-size: 3rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .stat-card {
    padding: 1rem;
  }
}