/* Base styles */
:root{
  --bg:#0f172a;
  --card:#111827;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --accent:#22d3ee;
  --accent-2:#60a5fa;
  --ring: rgba(34,211,238,0.45);
}
*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, 'Apple Color Emoji', 'Segoe UI Emoji';
  background: linear-gradient(180deg, #0b1022 0%, #0f172a 100%);
  color: var(--text);
}
.container{
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}
.app-header{
  position: sticky;
  top:0;
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(15,23,42,0.65);
  backdrop-filter: blur(8px);
}
.app-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{
  margin:0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.app-header nav a{
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  font-size: 14px;
}
.hero{
  display:grid;
  align-items:center;
  padding: 32px 0;
}
.hero h2{
  font-size: clamp(24px, 4vw, 36px);
  margin: 0 0 8px;
}
.hero p{
  color: var(--muted);
  margin: 0 0 16px;
}
.cta-group{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  align-items:center;
}
.city-form{
  display:flex; gap:8px; align-items:center; flex-wrap: wrap;
}
.city-form input{
  background: #0b1223;
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 12px;
  min-width: 220px;
  outline: none;
}
.city-form input:focus{
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--ring);
}
.city-form button, .secondary, .ghost{
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(90deg, rgba(34,211,238,0.08), rgba(96,165,250,0.08));
  color: var(--text);
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  text-decoration:none;
}
.city-form button:hover, .secondary:hover, .ghost:hover{
  border-color: rgba(255,255,255,0.22);
}
.secondary{
  background: linear-gradient(90deg, rgba(96,165,250,0.18), rgba(34,211,238,0.18));
}
.ghost{
  background: transparent;
}
.alert{
  margin-top:12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.14);
  background: #1f2937;
}
.alert.error{ border-color: #ef4444; }

.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 720px){
  .grid{ grid-template-columns: 1.5fr 1fr; }
}

.card{
  background: linear-gradient(180deg, #0b1223, #0b1223 50%, #0d1428);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.card.weather .row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.card.weather h3{ margin: 8px 0 2px; }
.card.weather .condition{ color: var(--muted); margin:0; }
.icon{ width:80px; height:80px; }

.stats{
  margin-top: 14px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap:10px;
}
.stat{
  background: #0a1020;
  border:1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 10px;
  text-align:center;
}
.big{ font-size: 22px; font-weight: 700; }
.label{ color: var(--muted); font-size: 12px; }

.card.suggestion h3{ margin-top: 6px; }
.card.suggestion p{ color: var(--text); line-height: 1.5; }

.footer{
  margin-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
  font-size: 14px;
}
.footer .container{ display:flex; align-items:center; justify-content:center; padding-bottom: 32px; }