:root{--bg-color:#0f172a;--surface-color:#1e293bb3;--surface-border:#ffffff1a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--accent-color:#3b82f6;--accent-hover:#2563eb;--gradient-start:#3b82f6;--gradient-end:#8b5cf6}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;position:relative;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(circle,#3b82f626 0%,#0f172a00 50%),radial-gradient(circle at 80% 20%,#8b5cf626 0%,#0f172a00 40%);width:200%;height:200%;position:fixed;top:-50%;left:-50%}.app-container{max-width:1200px;margin:0 auto;padding:3rem 2rem}.header{text-align:center;margin-bottom:4rem;animation:.8s ease-out fadeInDown}.title{background:linear-gradient(135deg, var(--gradient-start), var(--gradient-end));-webkit-text-fill-color:transparent;letter-spacing:-1px;-webkit-background-clip:text;margin-bottom:1rem;font-size:3.5rem;font-weight:700}.subtitle{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.2rem}.skills-grid{grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem;display:grid}.skill-card{background:var(--surface-color);border:1px solid var(--surface-border);-webkit-backdrop-filter:blur(12px);border-radius:16px;flex-direction:column;padding:2rem;transition:all .3s cubic-bezier(.25,.8,.25,1);animation:.8s ease-out backwards fadeIn;display:flex}.skill-card:hover{border-color:#3b82f64d;transform:translateY(-5px);box-shadow:0 20px 40px #0000004d,0 0 20px #3b82f61a}.skill-header{justify-content:space-between;align-items:flex-start;margin-bottom:1rem;display:flex}.skill-title{color:var(--text-primary);font-size:1.5rem;font-weight:600;line-height:1.2}.skill-version{color:#60a5fa;background:#3b82f626;border:1px solid #3b82f633;border-radius:999px;padding:.25rem .75rem;font-size:.875rem;font-weight:500}.skill-description{color:var(--text-secondary);-webkit-line-clamp:4;-webkit-box-orient:vertical;flex-grow:1;margin-bottom:2rem;font-size:1rem;display:-webkit-box;overflow:hidden}.skill-footer{border-top:1px solid var(--surface-border);justify-content:space-between;align-items:center;padding-top:1.5rem;display:flex}.skill-meta{color:var(--text-secondary);gap:1rem;font-size:.875rem;display:flex}.download-btn{background:linear-gradient(135deg, var(--gradient-start), var(--gradient-end));color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex;box-shadow:0 4px 15px #3b82f64d}.download-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #3b82f666}.download-btn:active{transform:translateY(0)}.loading{text-align:center;color:var(--text-secondary);flex-direction:column;align-items:center;gap:1rem;padding:5rem 0;font-size:1.5rem;display:flex}.spinner{border:3px solid #ffffff1a;border-top-color:var(--accent-color);border-radius:50%;width:40px;height:40px;animation:1s ease-in-out infinite spin}.error-message{text-align:center;color:#fca5a5;background:#ef44441a;border:1px solid #ef444433;border-radius:12px;max-width:600px;margin:2rem auto;padding:3rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}