:root{
  --bg:#001018;
  --glass: rgba(255,255,255,0.06);
  --accent: #00f7ff;
  --muted: rgba(255,255,255,0.7);
  --glass-border: rgba(0,255,255,0.08);
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:'Poppins',sans-serif;background:var(--bg);color:var(--muted);-webkit-font-smoothing:antialiased}
body{
  display:flex;align-items:center;justify-content:center;padding:24px;
  background-image: linear-gradient(135deg, rgba(0,16,24,0.7), rgba(4,12,30,0.9));
  background-size:cover;
}

/* App container */
.app{width:100%;max-width:980px;display:flex;flex-direction:column;gap:18px}

/* Header */
.nav{display:flex;justify-content:space-between;align-items:center;padding:10px 6px;color:var(--accent)}
.logo{font-weight:700;letter-spacing:1px;font-size:18px;text-shadow:0 0 8px rgba(0,255,255,0.12)}

/* Controls */
.controls{display:flex;gap:10px;align-items:center}
.controls button{background:transparent;border:2px solid rgba(255,255,255,0.04);color:var(--accent);padding:8px;border-radius:8px;cursor:pointer;backdrop-filter:blur(6px)}
.controls button:hover{box-shadow:0 0 12px rgba(0,255,255,0.12);transform:translateY(-2px)}

/* Main card (glass) */
.card.glass{
  background:var(--glass);
  border-radius:16px;padding:20px;border:1px solid var(--glass-border);
  box-shadow:0 8px 30px rgba(0,255,255,0.04), inset 0 1px 0 rgba(255,255,255,0.02);
}

/* Title */
.title{text-align:center;color:var(--accent);margin:6px 0 12px;font-size:20px;text-shadow:0 0 12px rgba(0,255,255,0.12)}

/* Search row */
.search-row{display:flex;gap:8px;margin-bottom:14px}
.search-row input{
  flex:1;padding:12px;border-radius:10px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--muted);
}
.search-row button{
  padding:10px 14px;border-radius:10px;border:none;background:var(--accent);color:#001;cursor:pointer;font-weight:600;
  box-shadow:0 6px 18px rgba(0,255,255,0.08);
}

/* Loader */
.loader{width:40px;height:40px;border:5px solid rgba(255,255,255,0.08);border-top-color:var(--accent);border-radius:50%;margin:8px auto;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.hidden{display:none}

/* Current */
.current{display:flex;gap:16px;align-items:center;padding:10px;border-radius:12px;border:1px solid rgba(255,255,255,0.03);background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01))}
.weather-icon{width:96px;height:96px}
.current-info h2{margin:0;color:var(--accent)}
.temp-row{display:flex;align-items:flex-end;gap:12px}
.temp{font-size:36px;color:var(--accent);font-weight:700}
.desc{font-size:14px;color:var(--muted);text-transform:capitalize}
.meta{display:flex;gap:12px;margin-top:8px;color:var(--muted);font-size:14px}

/* Forecast grid */
.forecast-section{margin-top:12px}
.forecast-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-top:8px}
.forecast-card{
  padding:12px;border-radius:10px;background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border:1px solid rgba(255,255,255,0.03);text-align:center
}
.forecast-card h4{margin:6px 0;color:var(--accent);font-size:13px}
.forecast-card p{margin:6px 0;color:var(--muted);font-size:14px}

/* History */
.history{margin-top:14px}
.history-list{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.history-item{padding:6px 10px;border-radius:10px;background:transparent;border:1px solid rgba(255,255,255,0.03);cursor:pointer;color:var(--muted)}
.btn.small{margin-top:8px;padding:8px 10px;border-radius:8px;border:none;background:rgba(255,255,255,0.04);color:var(--muted);cursor:pointer}

/* Footer */
.footer{text-align:center;color:rgba(255,255,255,0.45);font-size:13px;margin-top:6px}

/* Responsive */
@media (max-width:520px){
  .weather-icon{width:80px;height:80px}
  .temp{font-size:28px}
  .card.glass{padding:16px}
}