*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:system-ui,-apple-system,sans-serif;background:#f5f5f5;padding:20px}#app{max-width:600px;margin:0 auto}.container{background:#fff;border-radius:8px;padding:32px;box-shadow:0 2px 8px #0000001a}h1{margin:0 0 24px;font-size:24px;color:#333}.form{display:flex;flex-direction:column;gap:16px}.input-group{display:flex;flex-direction:column;gap:6px}label{font-size:14px;font-weight:500;color:#555}select,input{padding:10px 12px;border:1px solid #ddd;border-radius:6px;font-size:14px;font-family:inherit;transition:border-color .2s}select:focus,input:focus{outline:none;border-color:#4caf50}input.hidden{display:none}.input-group select+input{margin-top:8px}.button-group{display:flex;gap:12px;margin-top:8px}button{padding:12px 24px;background:#4caf50;color:#fff;border:none;border-radius:6px;font-size:16px;font-weight:500;cursor:pointer;transition:all .2s;flex:1}button:hover{background:#45a049}button:active{transform:scale(.98)}button.btn-outline{background:transparent;color:#666;border:1px solid #ddd}button.btn-outline:hover{background:#f5f5f5;border-color:#999}.result{margin-top:24px;padding:16px;background:#f9f9f9;border-radius:6px;border:1px solid #e0e0e0}.result.hidden{display:none}.result h3{margin:0 0 12px;font-size:16px;color:#333}.result a{word-break:break-all;color:#2196f3;text-decoration:none;font-size:14px}.result a:hover{text-decoration:underline}.history-section{margin-top:32px;padding-top:32px;border-top:1px solid #e0e0e0}.history-header{margin-bottom:16px}.history-header h2{margin:0 0 12px;font-size:18px;color:#333}.history-header button{width:100%}.btn-small{padding:6px 12px;font-size:13px;background:transparent;color:#666;border:1px solid #ddd;border-radius:4px;cursor:pointer;transition:all .2s}.btn-small:hover{background:#f5f5f5;border-color:#999}.empty-history{text-align:center;color:#999;font-size:14px;padding:32px}.history-item{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:16px;background:#f9f9f9;border-radius:6px;margin-bottom:12px;border:1px solid #e0e0e0}.history-content{flex:1;min-width:0}.history-url{margin-bottom:6px}.history-url a{word-break:break-all;color:#2196f3;text-decoration:none;font-size:14px}.history-url a:hover{text-decoration:underline}.history-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:#666}.history-utm{color:#888}.history-actions{display:flex;gap:8px;flex-shrink:0}.btn-reuse{background:#4caf50!important;color:#fff!important;border-color:#4caf50!important}.btn-reuse:hover{background:#45a049!important;border-color:#45a049!important}.btn-delete{background:transparent!important;color:#f44336!important;border-color:#f44336!important}.btn-delete:hover{background:#ffebee!important}