.app{min-height:100vh;position:relative}.app-content{z-index:1;max-width:1200px;margin:0 auto;padding:2rem 1.5rem 4rem;position:relative}.app-header{text-align:center;margin-bottom:2rem}.app-header h1{letter-spacing:.05em;background:linear-gradient(135deg,#4fc3f7,#7c4dff,#e040fb);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:3rem;font-weight:800}.app-subtitle{color:var(--color-text-muted);margin-top:.5rem;font-size:1.1rem}.background{z-index:0;position:fixed;inset:0;overflow:hidden}.background-image{object-fit:cover;width:100%;height:100%;transition:opacity .8s}.background-overlay{background:linear-gradient(#0a0e1ab3 0%,#0a0e1ad9 50%,#0a0e1af2 100%);position:absolute;inset:0}.loading-spinner{text-align:center;color:var(--color-text-muted);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.spinner{border:3px solid #ffffff1a;border-top-color:var(--color-accent);border-radius:50%;width:40px;height:40px;margin:0 auto .5rem;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.name-input{gap:.75rem;max-width:600px;margin:0 auto 2rem;display:flex}.name-input-field{border-radius:var(--border-radius);background:var(--color-surface);color:var(--color-text);font-size:1rem;font-family:var(--font-primary);transition:border-color var(--transition);border:1px solid #ffffff26;flex:1;padding:.75rem 1rem}.name-input-field:focus{border-color:var(--color-accent);outline:none}.name-input-field::placeholder{color:var(--color-text-muted)}.name-input-button{border-radius:var(--border-radius);color:#fff;cursor:pointer;transition:transform var(--transition), box-shadow var(--transition);white-space:nowrap;background:linear-gradient(135deg,#4fc3f7,#7c4dff);border:none;padding:.75rem 1.5rem;font-size:1rem;font-weight:600}.name-input-button:hover{transform:translateY(-1px);box-shadow:0 4px 20px #4fc3f74d}.name-input-button:active{transform:translateY(0)}.section{background:var(--color-surface);border-radius:var(--border-radius);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);margin-bottom:1.5rem;padding:1.5rem}.section-title{color:var(--color-accent);letter-spacing:.03em;margin-bottom:1rem;font-size:1.25rem;font-weight:700}.element-version{flex-wrap:wrap;justify-content:center;align-items:center;gap:.5rem;display:flex}.token{font-family:var(--font-mono);letter-spacing:.02em;border-radius:6px;align-items:center;gap:.25rem;padding:.4rem .75rem;font-size:1.3rem;font-weight:700;display:inline-flex}.token-matched{color:var(--color-matched);background:#76ff0326;border:1px solid #76ff034d}.token-unmatched{color:var(--color-unmatched);background:#ff525226;border:1px solid #ff52524d}.token-number{opacity:.7;vertical-align:super;font-size:.7rem;font-weight:600}.cosmic-code{font-family:var(--font-mono);text-align:center;letter-spacing:.15em;background:linear-gradient(135deg,#4fc3f7,#e040fb);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;padding:.5rem 0;font-size:2rem;font-weight:700}.periodic-table-wrapper{overflow-x:auto}.periodic-table{grid-template-columns:repeat(18,1fr);gap:3px;min-width:700px;margin-bottom:1rem;display:grid}.f-block-label{color:var(--color-text-muted);margin-top:.5rem;margin-bottom:.25rem;font-size:.8rem}.periodic-table-fblock{grid-template-columns:repeat(15,1fr);gap:3px;min-width:700px;padding-left:0;display:grid}.element-cell{cursor:default;transition:all var(--transition);background:#ffffff08;border:1px solid #ffffff26;border-radius:4px;flex-direction:column;justify-content:center;align-items:center;min-height:60px;padding:4px 2px;display:flex}.element-cell:hover{z-index:2;background:#ffffff14;transform:scale(1.05)}.element-matched{box-shadow:0 0 12px #76ff0333;border-color:var(--color-matched)!important;background:#76ff031f!important}.element-matched:hover{background:#76ff0333!important}.element-number{color:var(--color-text-muted);font-size:.6rem;line-height:1}.element-symbol{font-family:var(--font-mono);font-size:1rem;font-weight:700;line-height:1.2}.element-name{color:var(--color-text-muted);white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-size:.55rem;line-height:1;overflow:hidden}.element-cards{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem;display:grid}.element-card{border-radius:var(--border-radius);transition:transform var(--transition);border:1px solid;overflow:hidden}.element-card:hover{transform:translateY(-2px)}.element-card-header{color:#fff;align-items:center;gap:.5rem;padding:.75rem 1rem;display:flex}.element-card-number{opacity:.8;font-size:.85rem}.element-card-symbol{font-family:var(--font-mono);font-size:1.5rem;font-weight:700}.element-card-name{font-size:1rem;font-weight:600}.element-card-mass{opacity:.8;font-size:.85rem;font-family:var(--font-mono);margin-left:auto}.element-card-body{padding:1rem}.element-card-category{text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);margin-bottom:.75rem;font-size:.85rem}.element-card-section{margin-bottom:.75rem}.element-card-section:last-child{margin-bottom:0}.element-card-section h4{color:var(--color-accent);margin-bottom:.25rem;font-size:.85rem;font-weight:600}.element-card-section p{color:var(--color-text);font-size:.9rem;line-height:1.5}.element-card-section ul{padding:0;list-style:none}.element-card-section li{margin-bottom:.25rem;padding-left:1rem;font-size:.9rem;line-height:1.5;position:relative}.element-card-section li:before{content:"•";color:var(--color-accent);position:absolute;left:0}.cosmic-timeline{padding-left:2rem;position:relative}.cosmic-timeline:before{content:"";background:linear-gradient(180deg, var(--color-accent), #7c4dff);width:2px;position:absolute;top:0;bottom:0;left:8px}.timeline-item{padding-bottom:1.5rem;position:relative}.timeline-item:last-child{padding-bottom:0}.timeline-marker{border:2px solid var(--color-bg);background:linear-gradient(135deg,#4fc3f7,#7c4dff);border-radius:50%;width:18px;height:18px;position:absolute;top:4px;left:-2rem}.timeline-content h3{color:var(--color-accent);margin-bottom:.25rem;font-size:1rem;font-weight:700}.timeline-content p{color:var(--color-text);margin-bottom:.25rem;font-size:.9rem}.timeline-elements-list{color:var(--color-text-muted)}.timeline-origin{font-style:italic;color:var(--color-text-muted)!important;font-size:.85rem!important}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#ffffff0d}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#ffffff40}@media (width<=768px){.app-header h1{font-size:2rem}.name-input{flex-direction:column}.name-input-button{width:100%}.element-cards{grid-template-columns:1fr}.periodic-table{min-width:600px}.cosmic-code{font-size:1.5rem}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--font-primary:"Segoe UI", system-ui, -apple-system, sans-serif;--font-mono:"Cascadia Code", "Fira Code", "Consolas", monospace;--color-bg:#0a0e1a;--color-surface:#141c3ad9;--color-surface-hover:#1e2850e6;--color-text:#e8e8f0;--color-text-muted:#9090b0;--color-accent:#4fc3f7;--color-matched:#76ff03;--color-unmatched:#ff5252;--border-radius:8px;--transition:.2s ease}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-primary);background:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.6;overflow-x:hidden}#root{min-height:100vh}::selection{background:var(--color-accent);color:var(--color-bg)}