:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--border-color: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--text-muted: #6e7681;--accent-primary: #58a6ff;--accent-hover: #79c0ff;--accent-green: #3fb950;--accent-red: #f85149;--accent-orange: #d29922;--accent-purple: #a371f7;--shadow: 0 8px 24px rgba(0, 0, 0, .4);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:800px;margin:0 auto;padding:0 20px}.header{padding:24px 0;border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:700;color:var(--text-primary)}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-purple));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.logo-icon svg{width:24px;height:24px;color:#fff}.main{flex:1;padding:40px 0}.hero{text-align:center;margin-bottom:48px}.hero h1{font-size:42px;font-weight:800;margin-bottom:16px;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{font-size:18px;color:var(--text-secondary);max-width:500px;margin:0 auto}.input-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}.input-group{display:flex;gap:12px;margin-bottom:16px}.input-field{flex:1;padding:14px 16px;font-size:16px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);outline:none;transition:border-color .2s,box-shadow .2s}.input-field:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #58a6ff26}.input-field::placeholder{color:var(--text-muted)}.custom-code-input{width:140px;flex-shrink:0}.btn-primary{padding:14px 28px;font-size:16px;font-weight:600;background:var(--accent-primary);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color .2s,transform .1s;display:flex;align-items:center;gap:8px}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.result-card{margin-top:20px;padding:20px;background:var(--bg-tertiary);border:1px solid var(--accent-green);border-radius:var(--radius-md);animation:slideIn .3s ease}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.result-header{display:flex;align-items:center;gap:8px;color:var(--accent-green);font-weight:600;margin-bottom:12px}.result-url{display:flex;align-items:center;gap:12px;background:var(--bg-secondary);padding:12px 16px;border-radius:var(--radius-sm)}.result-url code{flex:1;font-size:18px;color:var(--accent-primary);word-break:break-all}.btn-copy{padding:8px 12px;font-size:14px;background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px}.btn-copy:hover{background:var(--bg-secondary);color:var(--text-primary)}.btn-copy.copied{color:var(--accent-green);border-color:var(--accent-green)}.links-section{margin-top:48px}.links-section h2{font-size:20px;font-weight:600;margin-bottom:20px;color:var(--text-primary)}.link-item{display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:12px;transition:border-color .2s}.link-item:hover{border-color:var(--accent-primary)}.link-info{flex:1;min-width:0}.link-code{font-size:18px;font-weight:600;color:var(--accent-primary);margin-bottom:4px}.link-original{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.link-stats{display:flex;gap:16px;align-items:center}.stat{display:flex;align-items:center;gap:6px;color:var(--text-secondary);font-size:14px}.stat svg{width:16px;height:16px}.link-actions{display:flex;gap:8px}.btn-icon{padding:8px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-icon:hover{background:var(--bg-secondary);color:var(--text-primary);border-color:var(--text-muted)}.btn-icon.delete:hover{color:var(--accent-red);border-color:var(--accent-red)}.analytics-card{margin-top:48px;padding:24px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg)}.analytics-card h2{font-size:20px;font-weight:600;margin-bottom:20px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat-box{text-align:center;padding:20px;background:var(--bg-tertiary);border-radius:var(--radius-md)}.stat-value{font-size:32px;font-weight:700;color:var(--accent-primary);margin-bottom:4px}.stat-label{font-size:14px;color:var(--text-secondary)}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state svg{width:64px;height:64px;margin-bottom:16px;opacity:.5}.empty-state p{font-size:16px}.footer{padding:24px 0;border-top:1px solid var(--border-color);background:var(--bg-secondary);margin-top:auto}.footer-content{display:flex;justify-content:space-between;align-items:center;color:var(--text-muted);font-size:14px}.footer-links{display:flex;gap:20px}.footer-links a{color:var(--text-secondary);text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--accent-primary)}@media(max-width:640px){.hero h1{font-size:32px}.input-group{flex-direction:column}.custom-code-input{width:100%}.btn-primary{width:100%;justify-content:center}.link-item{flex-direction:column;align-items:flex-start}.link-stats{width:100%;justify-content:flex-start;padding-top:12px;border-top:1px solid var(--border-color);margin-top:12px}.stats-grid{grid-template-columns:1fr}}.fade-in{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}