:root{--bg-color:#fcfcfc;--card-bg:#fff;--text-primary:#111827;--text-secondary:#6b7280;--border-color:#f3f4f6;--primary-btn:#111827;--primary-btn-hover:#374151;--error-color:#ef4444;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008}*{box-sizing:border-box}body{background:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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a{color:var(--text-secondary);cursor:pointer;font-size:.95rem;font-weight:500;text-decoration:none;transition:color .2s}nav a:hover,nav a.active{color:var(--text-primary)}.nav-icon{transition:transform .3s;display:block}@keyframes float-glow{0%{filter:brightness();transform:translateY(0)scale(1)}50%{filter:brightness(1.1);transform:translateY(-5px)scale(1.01)}to{filter:brightness();transform:translateY(0)scale(1)}}@keyframes breathing-soft{0%{opacity:.95;transform:scale(1)}50%{opacity:1;transform:scale(1.005)}to{opacity:.95;transform:scale(1)}}@keyframes shaky-unstable{0%{transform:translate(0)rotate(0)}25%{transform:translate(-1px,1px)rotate(-.2deg)}50%{transform:translate(1px,-1px)rotate(.2deg)}75%{transform:translate(-1px,-1px)rotate(-.1deg)}to{transform:translate(0)rotate(0)}}@keyframes pulse-ring{0%{box-shadow:0 0 #fff6}70%{box-shadow:0 0 0 30px #fff0}to{box-shadow:0 0 #fff0}}.post-card.living-post{background:0 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