:root{color-scheme:light;--sky: #4A90E2;--sun: #F5A623;--text: #1a2233;--card: rgba(255, 255, 255, .75);--card-border: rgba(255, 255, 255, .6);--bubble: #ffffff;--shadow: 0 10px 30px rgba(31, 65, 120, .18);--bg-gradient: linear-gradient(160deg, #cfe6ff 0%, #eef6ff 45%, #ffffff 100%);--surface: #ffffff;--border: #e5e7eb;--text-muted: #6b7280;--text-secondary: #4b5563;--input-bg: rgba(255, 255, 255, .7);--bar: rgba(255, 255, 255, .62);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}:root[data-theme=dark]{color-scheme:dark;--text: #e8eefc;--card: rgba(30, 41, 66, .6);--card-border: rgba(80, 110, 170, .3);--bubble: #16233f;--bg-gradient: linear-gradient(160deg, #0a1a33 0%, #0d1220 60%, #05070d 100%);--surface: #0d1526;--border: rgba(80, 110, 170, .28);--text-muted: #93a4c4;--text-secondary: #b7c4dd;--input-bg: rgba(20, 30, 55, .7);--bar: rgba(9, 15, 28, .55)}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;color:var(--text);background:var(--bg-gradient);background-attachment:fixed}.app{min-height:100vh;display:flex;flex-direction:column;position:relative}.weather-bg{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none;display:block}.hero__temp,.hero__condition,.hero__city{text-shadow:0 2px 18px rgba(8,20,45,.28)}.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 1.25rem;flex-wrap:wrap;background:var(--bar);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid var(--border)}.topbar__logo{font-weight:800;font-size:1.25rem;color:var(--sky);display:flex;align-items:center;gap:.5rem}.icon-btn{min-width:2.6rem;padding:.5rem 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