:root{--bg: #0d1117;--bg-secondary:#161b22;--bg-card: #21262d;--border: #30363d;--cyan: #06b6d4;--blue: #2563eb;--blue-h: #1d4ed8;--text: #e6edf3;--muted: #8b949e;--red: #f87171;--radius: 12px;--font: "Inter", sans-serif;--transition: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background-color:var(--bg);color:var(--text);line-height:1.7;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:100;background:#0d1117e0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:.85rem 1.5rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.app-title{font-size:1.15rem;font-weight:800;color:var(--text);letter-spacing:-.3px}.app-title-accent{color:var(--cyan)}.app-main{flex:1;max-width:960px;margin:0 auto;padding:2rem 1.5rem;width:100%}.app-footer{border-top:1px solid 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float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.weather-placeholder h2{font-size:1.5rem;font-weight:700;color:var(--text);margin-bottom:.5rem}.weather-content{animation:fadeUp .4s ease both}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.current-weather{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:1.75rem 2rem;margin-bottom:1.5rem;position:relative;overflow:hidden}.current-weather:before{content:"";position:absolute;top:-60px;right:-60px;width:280px;height:280px;background:radial-gradient(circle,rgba(6,182,212,.07) 0%,transparent 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