:root{--bg-main: #2e3440;--bg-card: #3b4252;--bg-btn: #3b4252;--neon-blue: #8be9fd;--neon-cyan: #5ee7ff;--glow-soft: 0 0 6px rgba(94,231,255,.55), 0 0 14px rgba(94,231,255,.45), 0 0 30px rgba(94,231,255,.25);--glow-strong: 0 0 8px rgba(94,231,255,.7), 0 0 22px rgba(94,231,255,.6), 0 0 44px rgba(94,231,255,.35);--ease-ui: cubic-bezier(.22,.61,.36,1)}*{box-sizing:border-box}body{margin:0;background:var(--bg-main);color:#fff;font-family:Arial,Helvetica,sans-serif}a{color:var(--neon-blue);text-decoration:none}a:hover{text-shadow:var(--glow-soft)}.container{max-width:1200px;margin:0 auto;padding:14px}.card,.tile{background:var(--bg-card);border-radius:14px;box-shadow:0 10px 28px #00000059;border:1px solid rgba(255,255,255,.07)}.card{padding:16px}.btn{background:var(--bg-btn);border:1px solid rgba(255,255,255,.12);color:#fff;padding:10px 12px;border-radius:12px;cursor:pointer;transition:transform .12s var(--ease-ui),box-shadow .18s var(--ease-ui),border-color .18s var(--ease-ui);box-shadow:0 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