/* ===== Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  transition: background 0.8s ease, color 0.8s ease;
  overflow-x: hidden;
}

/* ===== Light/Dark Backgrounds ===== */
body.light {
  background: linear-gradient(135deg, #a1c4fd, #c2e9fb);
  color: #111;
}

body.dark {
  background: linear-gradient(-45deg, #1e3c72, #2a5298, #1b1b2f, #252542);
  background-size: 400% 400%;
  animation: gradientBG 18s ease infinite;
  color: #fff;
}

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

/* ===== Container (Glassmorphism) ===== */
.weather-app {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 30px 25px;
  width: 100%;
  max-width: 470px;
  text-align: center;
  box-shadow: 0 8px 25px rgba(0,0,0,0.25);
  transition: all 0.4s ease;
}

.weather-app:hover {
  transform: translateY(-6px);
}

/* ===== Header ===== */
.weather-app header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.weather-app h1 {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: linear-gradient(45deg, #ff9800, #ff5722);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.toggle-btn {
  padding: 8px 14px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(45deg, #ff9800, #ff5722);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.toggle-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4);
}

/* ===== Search Box ===== */
.search-box {
  display: flex;
  gap: 10px;
  margin-bottom: 25px;
}

.search-box input {
  flex: 1;
  padding: 14px 16px;
  border-radius: 12px;
  border: none;
  outline: none;
  font-size: 1rem;
  background: #f0f0f0;
  color: inherit;
  box-shadow: inset 4px 4px 6px #d1d1d1, inset -4px -4px 6px #ffffff;
  transition: box-shadow 0.3s ease;
}

.search-box input:focus {
  box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
}

.search-box button {
  padding: 12px 20px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #00d4ff, #00aacc);
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.search-box button:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

/* Ripple effect for all buttons */
button::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
}

button:active::after {
  width: 150px;
  height: 150px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  opacity: 0.5;
  background: rgba(255, 255, 255, 0.6);
  animation: ripple 0.6s linear;
}

@keyframes ripple {
  to {
    transform: translate(-50%, -50%) scale(2.5);
    opacity: 0;
  }
}

/* ===== Loader ===== */
.loader {
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #ff9800;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  margin: 20px auto;
  animation: spin 1s linear infinite;
  display: none;
}

.loader.active {
  display: block;
}

@keyframes spin {
  0% { transform: rotate(0); }
  100% { transform: rotate(360deg); }
}

/* ===== Weather Info ===== */
.weather-info {
  display: none;
  margin-top: 20px;
  animation: fadeIn 0.6s ease-in-out;
}

.weather-info.active {
  display: block;
}

.weather-info img {
  width: 130px;
  margin-bottom: 12px;
  filter: drop-shadow(0 6px 10px rgba(0,0,0,0.25));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0); }
}

.extra-info {
  margin-top: 12px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}

.extra-info p {
  margin: 4px 0;
  font-size: 0.95rem;
}

/* ===== Weather Grid ===== */
.weather-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.grid-item {
  background: rgba(255, 255, 255, 0.15);
  padding: 12px;
  border-radius: 12px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ===== Error Message ===== */
.error {
  margin-top: 15px;
  font-size: 0.95rem;
  color: #ff4d4d;
  font-weight: 500;
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* ===== Footer ===== */
footer {
  margin-top: 28px;
  font-size: 0.85rem;
  opacity: 0.8;
  letter-spacing: 0.3px;
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Mobile Responsiveness ===== */
@media (max-width: 500px) {
  .weather-app {
    padding: 22px 18px;
  }

  .weather-app h1 {
    font-size: 1.5rem;
  }

  .search-box {
    flex-direction: column;
  }

  .search-box button {
    width: 100%;
  }

  .weather-info img {
    width: 95px;
  }

  .weather-info h2 {
    font-size: 1.6rem;
  }
}

/* ===== Weather-Based Backgrounds ===== */
body.sunny {
  background: linear-gradient(135deg, #f9d423, #ff4e50);
}

body.rainy {
  background: linear-gradient(135deg, #2c3e50, #4ca1af);
}

body.snowy {
  background: linear-gradient(135deg, #e6dada, #274046);
}
:root{
  --glass: rgba(255,255,255,0.12);
  --accent: linear-gradient(45deg,#00d4ff,#00aacc);
}
*{box-sizing:border-box;font-family:Poppins,Arial,Helvetica,sans-serif}
body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;transition:background .6s,color .6s}
body.light{background:linear-gradient(135deg,#a1c4fd,#c2e9fb);color:#111}
body.dark{background:linear-gradient(-45deg,#1e3c72,#2a5298);color:#fff}
.app-container{width:100%;max-width:780px}
.weather-app{background:var(--glass);backdrop-filter:blur(18px);border-radius:18px;padding:20px;border:1px solid rgba(255,255,255,0.12);box-shadow:0 10px 30px rgba(0,0,0,.25)}
header{display:flex;justify-content:space-between;align-items:center}
header h1{font-size:1.6rem;background:linear-gradient(45deg,#ff9800,#ff5722);-webkit-background-clip:text;color:transparent}
.controls button{margin-left:8px;padding:8px;border-radius:10px;border:none;cursor:pointer}
.search-row{display:flex;gap:10px;margin:16px 0}
.search-row input{flex:1;padding:12px;border-radius:12px;border:none}
.search-row button{padding:12px 18px;border-radius:12px;border:none;background:var(--accent);color:#fff}
.loader{width:36px;height:36px;border-radius:50%;border:4px solid rgba(255,255,255,0.25);border-top-color:#ff9800;animation:spin 1s linear infinite;display:none}
.loader.active{display:inline-block}
.muted{opacity:.7;font-size:.85rem}
.hidden{display:none}
.weather-card{margin-top:10px}
.weather-card .top{display:flex;justify-content:space-between;align-items:center}
.current{display:flex;align-items:center;gap:12px}
.icon-wrap{width:110px;height:110px}
.icon-wrap img{width:100%;height:100%}
.temps h3{font-size:2.2rem;margin-bottom:6px}
.extra-info{margin-top:12px;padding:12px;border-radius:10px;background:rgba(255,255,255,0.06)}
.aqi-card{margin-top:12px;padding:10px;border-radius:10px;background:rgba(0,0,0,0.06)}
.weather-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}
.grid-item{padding:10px;border-radius:8px;background:rgba(255,255,255,0.04);text-align:center}
.forecast{margin-top:12px}
.forecast-scroll{display:flex;gap:10px;padding:10px 0;overflow:auto}
.forecast-item{min-width:110px;background:rgba(255,255,255,0.06);padding:10px;border-radius:10px;text-align:center}
.forecast-item h5{margin:6px 0}
@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}

/* Weather overlays */
.rain-overlay{position:fixed;left:0;top:0;right:0;bottom:0;pointer-events:none;background-image:url('');opacity:.18}

/* responsive */
@media(max-width:520px){.weather-app{padding:14px}.icon-wrap{width:84px;height:84px}}
.weather-app h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #ff8a00, #ff3d00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}
.roast {
  margin-top: 10px;
  font-size: 0.95rem;
  padding: 10px;
  border-radius: 10px;
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(4px);
  font-weight: 500;
  line-height: 1.5;
  border-left: 4px solid #ff9800;
  animation: fadeIn 0.5s ease-in-out;
}