:root{
  --bg:#0b1220; --card:#0f172a; --text:#e5e7eb; --muted:#94a3b8; --border:#1e293b;
  --primary:#0ea5e9; --primary-600:#0284c7; --warn:#f59e0b; --err:#ef4444;
}
:root.light{
  --bg:#f7fafc; --card:#ffffff; --text:#0f172a; --muted:#475569; --border:#e2e8f0;
  --primary:#0ea5e9; --primary-600:#0284c7; --warn:#b45309; --err:#b91c1c;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;}
body{min-height:100vh;background-image:url('background.jpg');background-size:cover;background-position:center;background-repeat:no-repeat;}
.backdrop{position:fixed;inset:0;background:linear-gradient(180deg,rgba(2,6,23,.55),rgba(2,6,23,.35) 35%,rgba(2,6,23,.65));pointer-events:none}
.container{max-width:1000px;margin:0 auto;padding:16px;}
.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid var(--border);
  background:linear-gradient(180deg, rgba(14,165,233,.08), rgba(14,165,233,0));backdrop-filter:blur(6px) saturate(120%);}
.header-inner{display:flex;align-items:center;justify-content:space-between;}
h1{font-size:clamp(22px,2.8vw,32px);margin:8px 0;text-shadow:0 5px 20px rgba(0,0,0,.35)}
h2{font-size:clamp(18px,2.2vw,24px);margin:0 0 10px 0;}

.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;margin:16px 0;box-shadow:0 6px 20px rgba(0,0,0,.1);backdrop-filter:blur(6px) saturate(120%);}
.muted{color:var(--muted);} .small{font-size:12px;} .hidden{display:none !important;}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}
@media (max-width:720px){.form-grid{grid-template-columns:1fr}}

.form-group label{display:block;font-weight:600;margin-bottom:6px;}
input,select,button{font:inherit}
input[type="text"], select{
  width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);
  box-shadow:0 8px 24px rgba(0,0,0,.15);
}
input:focus,select:focus{outline:3px solid rgba(14,165,233,.35);outline-offset:2px;}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}
button{cursor:pointer;border-radius:10px;border:1px solid var(--border);padding:10px 14px;background:var(--card);color:var(--text);min-height:44px;}
button.primary{background:linear-gradient(90deg,var(--primary),var(--primary-600));color:#fff;border:none;}
button.ghost{background:transparent;border-color:var(--border);} button:disabled{opacity:.55;cursor:not-allowed;}
.header-actions .ghost{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--border);}

.alert{border:1px solid var(--warn);background:rgba(245,158,11,.15);color:#fff;padding:10px;border-radius:10px;margin-top:10px}
:root.light .alert{color:#7c2d12}

.current-row{display:flex;gap:14px;align-items:center}
.current-weather .icon{font-size:50px;filter:drop-shadow(0 6px 18px rgba(0,0,0,.35))}
.current-weather h2{margin:0}
.current-weather .sub{color:var(--muted)}
.kv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:12px}
.kv{background:rgba(2,6,23,.25);border:1px solid var(--border);border-radius:12px;padding:10px;text-align:center}
.k{color:var(--muted);font-weight:600}
.v{font-variant-numeric:tabular-nums}

.forecast-container{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.forecast-card{scroll-snap-align:start; background:rgba(2,6,23,.25);border:1px solid var(--border);border-radius:12px;padding:10px;text-align:center;min-width:110px}
.forecast-card .time{color:var(--muted);font-size:12px}
.forecast-card .ico{font-size:26px;display:block;margin:4px 0;filter:drop-shadow(0 6px 18px rgba(0,0,0,.35))}
.forecast-card .temp{font-weight:700}

.ad .ad-box{display:grid;place-items:center;min-height:90px;background:rgba(2,6,23,.15);border:1px dashed var(--border);border-radius:12px}

footer{padding-bottom:24px}